Natural Ways to Treat Mental Impotence

Mental Impotence Healer

Mike Millers Mental Impotence Healer is an eBook that utilizes guided imagery that can help you cure your psychological impotence. In guided imagery, you will be guided into imagining a scenario which will help you overcome psychological and physical issues. It commonly uses descriptive language and instructions that have direct impact on the brain. Because the mind greatly influences the body, this technique helps you have rock-hard erections when you need them most. Simply listen to The Mental Impotence Healer Program for 60 days and completely annihilate your sexual fears and in next to no time you will become a brand new You! Recharged with sexual energy, bursting with self-confidence, rock solid on command, and conditioned to know that your times of Psychological Impotence have dissapeared, permanently! The Mental Impotence Healer Program provides you with your confidence back and will grow your self-esteem to amazing new heights. Listen to the beautiful, calm and relaxing Guided Imagery session and it definitely will totally transform your sex life. You will have control over your erections without taking any harmful medication or dangerous pills. Grab a set of headphones and the recordings will go to work while you relax. The carefully mastered binaural beats and subliminal messages will reprogram your subconscious mind into a radically altered state of heightened sexual awareness and desire! More here...

Mental Impotence Healer Overview

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All of the information that the author discovered has been compiled into a downloadable book so that purchasers of Mental Impotence Healer can begin putting the methods it teaches to use as soon as possible.

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Combined therapy with testosterone and phosphodiesterase type 5 inhibitors in patients with erectile dysfunction

Oral therapy with inhibitors of the phosphodiesterase type 5, e.g. sildenafil, varde-nafil, and tadalafil, is highly effective for therapy of erectile dysfunction (Shabsigh and Anastasiadis 2003). However, in placebo-controlled phase III clinical trials and post-marketing evaluation approximately 15 to 40 of patients do not respond to this medication. There is some evidence that patients with erectile dysfunction and testosterone deficiency respond poorly to therapy with phosphodiesterase type 5 inhibitors (Guay etal. 2001 Shabsigh 2003). Fig. 11.2 Blood flow parameters of the cavernous arteries assessed by duplex sonography after a standardized pharmacostimulation of erection with 10 g prostaglandin E1. PSV, peak systolic velocity EDV, end diastolic velocity RI, resistance index open bars, baseline values grey bars, placebo plus sildenafil group filled bars, testosterone plus sildenafil group (modified with permission from Aversa etal. 2003, copyright 2003, Blackwell Publishing). Two...

Effects of treatment of erectile dysfunction on testosterone

There is some evidence that not only testosterone is relevant for effective therapy of erectile dysfunction, but conversely that effective therapy of erectile dysfunction can also increase serum concentrations of testosterone. In normal healthy men and patients with erectile dysfunction, serum levels of testosterone increase significantly during the tumescence as well as the rigidity phase of penile erection, and return to baseline in the detumescence phase (Becker etal. 2000 2001). A controlled, non-randomized study demonstrated that effective psychological, medical (prostaglandin E1, yohimbine) or mechanical (vascular surgery, penile prostheses, vacuum devices) therapy of erectile dysfunction leads to a sustained increase of serum testosterone levels (Jannini et al. 1999). This increase could be caused by increased LH bioavailability (Carosa etal. 2002). However, randomized controlled studies are awaited to prove this interesting hypothesis.

What is erectile dysfunction ED and how common is it

The National Institutes of Health (NIH) definition of erectile dysfunction (ED), previously called impotence, is the consistent inability to achieve and or maintain an erection satisfactory for the completion of sexual performance. The definition is subjective, meaning that the individual (and or his partner) is the person who decides that his erections are not satisfactory. This is in comparison to an objective definition, in which an observer or a test makes the decision that the erection is not satisfactory. The definition is not an all-or-nothing one, meaning that different men may experience different degrees of ED. The most severe form of ED would be the complete absence of erections no nocturnal (nighttime) erections, morning erections, or erections noted with stimulation milder forms may be associated with inadequate degree or duration of rigidity. Figure 30 Prevalence of erectile dysfunction. Figure 30 Prevalence of erectile dysfunction. Adapted with permssion from Feldman...

Recovery of Sexual Potency

As for continence, objective evaluation of postoperative erectile dysfunction encounters a number of difficulties 1. Absence of a consensual definition of sexual potency in the studies The definition of sexual potency varies according to the adopted criteria, such as erection without intercourse (i.e., return of erection) or erection firm enough for intercourse. Moreover, the frequency as well as quality of sexual activity has been recorded (66). The most successful tool to evaluate erectile dysfunction proved to be the abridged, five-item version of the International Index of Erectile Function (67). The methods of evaluation of sexual potency are also very heterogeneous including clinical interview by the surgeon, interview by another physician, or a self-administered questionnaire (Table 15). The additional use of oral, intraurethral, or intracorporeal therapy of erectile dysfunction, particularly in the early postoperative phase (i.e., intracorporeal injection therapy to expedite...

Erectile Disorders Erectile Dysfunction

Erectile dysfunction (ED) refers to the inability to attain and or maintain penile erection sufficient for satisfactory sexual performance (NIH Consensus Development Panel on Impotence, 1993). Sexual function declines with age, and normal erectile function depends on a number of body systems cardiovascular, endocrine, muscular, nervous, psychological (Lue, 2000). Disorders in any of these can lead to ED, although many factors often are involved. Box 40-6 Erectile Dysfunction Treatment Options Phosphodiesterase (type 5) inhibitors Sildenafil (Viagra)* Tadalafil (Cialis)* Vardenafil (Levitra)* Yohimbine (Yocon, Yohimex, generic) Penile prosthesis surgery Psychosexual counseling Modified from Tharyan P, Gopalakrishanan G. Erectile dysfunction. Clin Evid 2009 05 1803.

What is a penile prosthesis

A penile prosthesis is an artificial device that, when placed in the penis, allows a man to have an erection. The development and use of penile prostheses began in the 1970s. Since then, numerous revisions and modifications in the prostheses have improved the satisfaction rate and mechanical durability of these devices. Figure 36 Three-piece penile prosthesis. Drawing of AMS 700CX CKM Penile Prosthesis courtesy of American Medical Systems, Inc., Minnetonka, MN (www.visitAMS.com). Figure 36 Three-piece penile prosthesis. Drawing of AMS 700CX CKM Penile Prosthesis courtesy of American Medical Systems, Inc., Minnetonka, MN (www.visitAMS.com). Figure 37 One piece, semi-rigid penile prosthesis. Figure 37 One piece, semi-rigid penile prosthesis. Placement of a penile prosthesis requires extensive patient and partner discussion. It is not considered a first-line therapy in most cases of ED, but is an appropriate therapy for well-counseled individuals who have not responded to other therapies...

Who is a candidate for a penile prosthesis

Penile prostheses are usually placed in men with organic ED. In men with psychogenic erectile dysfunction, extensive counseling should be administered and other treatment options should be exhausted before a penile prosthesis is considered. For all other patients, extensive patient and partner counseling should take place before placement of a prosthesis the expectations, indications, and risks need to be discussed clearly, as well as other currently available and future options. A penile prosthesis is rarely the first-line therapy for ED. In my practice, when I discuss penile prostheses with patients, I equate the procedure for its surgical placement with crossing over a rickety bridge that collapses once the prosthesis is implanted. You cannot go backward once the prosthesis is placed if it is removed because of infection, malfunction, or dissatisfaction, other options of treatment are unlikely to work. Although there have been reports of the vacuum device and injection therapy...

How do I use the penile prosthesis and how is it placed

Placement of a penile prosthesis is a surgical procedure that can be performed under general anesthesia or spinal anesthesia. You will stay in the hospital overnight and are usually able to go home the following morning. Three approaches to placement of the penile prosthesis are used, and the location of the incision varies with In men with ED and prostate cancer who are undergoing a radical prostatectomy for treatment of their prostate cancer, the prosthesis can be placed at the time of surgery. There does not appear to be an increased risk of infection when this route is taken. I had my penile prosthesis placed under general anesthesia. As a part of the initial discussion on the penile prothesis, Dr. Ellsworth discussed the mechanics of the prosthesis with me. As she was explaining the mechanics of the prosthesis, she must have noticed a puzzled look on my part. She said, Do you want to see one Sure, I responded. She returned carrying a rubbery device that has a manually operated...

Coronary Artery Disease and Viagra

As male patients get older, the chance of developing coronary disease increases. The incidence of erectile dysfunction or impotence also increases with aging. Recently, a new medication called Viagra has become available to treat erectile dysfunction. Although effective, it should not be used with certain heart medications. Those of us who specialize in heart disease receive many questions regarding Viagra and sometimes questions on other treatment options for impotence from patients who shouldn't take Viagra. I have therefore asked my colleague, Dr. Chipriya B. Dhabuwala, who specializes in impotence and is a professor of urology at Wayne State University, to discuss Viagra as it relates to heart medication and to also discuss other treatment options available for erectile dysfunction.

Models of Human Sexual Response

Masters and Johnson first described the physiology of human sexual response cycle in 1966. Based on the physical components of sexual functioning, they described four phases of the sexual response cycle excitement, plateau, orgasm, and resolution (Fig. 43-1). Helen Singer Kaplan subsequently described a more subjective, psychologically oriented sexual responsiveness model with three phases desire, excitement, and orgasm. Recently, however, nonlinear alternative models have been suggested, especially for women's sexual response (Basson and Schultz, 2007) (Fig. 43-2). In certain settings, men may have similar nonlinear sexual responses. Response phases establish a framework to discuss sexual dysfunction.

Causes of Erectile Dysfunction

The incidence of erectile dysfunction increases with age. Hardening of the arteries and blockage within the arteries is the most common cause of erection problems. Very often, blockage of the arteries of the penis occurs with blockage of the coro Erectile Dysfunction Also referred to as impotence. The inability to achieve or maintain an erection for sexual intercourse. Involves blockages of the lower aorta as well as the arteries in the pelvis coming off the aorta, including the iliac arteries. It is characterized by claudication, which is pain, aching, and tiredness of the legs and buttocks. It is associated with erectile dysfunction. nary arteries of the heart. In many individuals, the erection problem is followed a few years later by coronary artery disease and even heart attack. Blockage of the terminal aorta (Leriche's syndrome), internal iliac arteries, or internal pudendal arteries by the atherosclerotic process can also lead to erectile dysfunction. There are many other...

H6 Prevalence of testosterone deficiency in patients with erectile dysfunction

Various studies have estimated the prevalence of testosterone deficiency in patients with erectile dysfunction. A systematic multidisciplinary assessment of 256 men with erectile dysfunction showed a prevalence of hypothalamic-pituitary-gonadal axis abnormalities of 17.5 . In only 12.1 did the testosterone deficiency clearly contribute to erectile dysfunction (Nickel et al. 1984). Another routine hormonal screening in 300 men presenting with a primary complaint of erectile dysfunction showed a prevalence of only 1.7 (Maatman and Montague 1986). A similar low prevalence of 2.1 was detected in 330 consecutive patients with erectile dysfunction screened for testosterone deficiency (Johnson and Jarow 1992). More recently, endocrine screening of 1022 men with erectile dysfunction detected serum concentrations of testosterone < 3 ng ml in 8.0 of men. However, 40 of these patients had normal serum levels at repeated determination (Buvat and Lemaire 1997). Pituitary tumors were discovered...

What are the risks ofa penile prosthesis

As with any surgical procedure, there are complications associated with the placement of a penile prosthesis. These risks may be subdivided into intraoperative complications (those occurring during surgery) and postoperative complications (those occurring after surgery). As with all surgical procedures, there are bleeding and anesthetic risks with the implantation of a penile prosthesis. Decreased penile length is actually not a complication of penile implantation, but rather is intrinsic to the surgery. The cylinders are of a fixed length. To obtain penile rigidity, the cylinders increase in width (girth). Very observant patients will note a 1- to 2-cm decrease in penile length after the procedure. One of the most devastating complications of penile prosthesis surgery is infection. Infection rates range from 2-16 in first-time procedures but increase to 8-18 in reoperations. Patients with diabetes and spinal cord injury, in particular, are at increased risk for infection. Patients...

Physiology of Penile Erection

The penis contains two chambers (the corpora cavernosa), which run the length of the organ, and are surrounded by a membrane (the tunica albuginea). Erection or flaccidity of the penis results from relaxation or contraction, respectively, of smooth muscle cells in the corpora cavernosa. Penile erection is a complex neurovascular process involving relaxation of the corpus cavernosal smooth muscles and vasodila-tion of blood vessels supplying the corpora cavernosa. This is due to both increased arterial inflow into and restricted venous outflow from the penis. Increased blood flow causes physical expansion of sinusoidal spaces, creating a pressure in the corpora cavernosa and making the penis enlarge 1, 2 . Compression of the dilated blood vessels against the semielastic tunica albuginea restricts venous outflow, producing penile rigidity and sustaining erection. Detumescence occurs as a consequence of increased cavernosal smooth muscle tone and contraction of the sinusoids, reducing...

Mechanism of Penile Erection

Shear Stress Erection

The main mediator of penile erection is nitric oxide (NO). NO is synthesized by two enzymes endothelial NO synthase (eNOS NOS3) and neuronal NO synthase (nNOS NOS1). nNOS-containing (nitrergic) nerve fibers course from the major pelvic ganglia (MPG) and terminate in the penis. eNOS localizes to the vascular and sinusoidal endothelium in the penis 4 . Sensory reflexogenic and psychogenic sexual stimulation activates nNOS, which initiates the erectile response. Sexual stimulation also neuronally releases acetyl-choline, which stimulates eNOS in the endothelium. The resulting increase in blood flow activates eNOS and causes sustained endothelial NO release, accounting for the achievement and maintenance of full erection 1 . Upon its synthesis and release from nerve terminals and endothelial cells, NO diffuses to neighboring vascular and trabecular smooth muscle cells in the penis where it activates soluble guanylate cyclase to produce cyclic guanosine monophosphate (cGMP). NO cGMP...

Erectile Dysfunction

Erectile dysfunction (ED), or impotence, is defined as the persistent inability to achieve or maintain a penile erection sufficient for satisfactory sexual performance. The typical patient is at least 50 years old, is usually married or in a long-term monogamous relationship, and has had a year or more of gradually progressive ED. Often he is otherwise in good mental and physical health. Because penile erection is a neurovascular phenomenon, however, there are a number of neurologic and vascular conditions that can lead to ED. Vascular disease such as atherosclerotic stenosis or occlusion of the cavernosal arteries, or vascular problems secondary to smoking, can cause ED. Antihypertensives, antidepressants, antiandrogens, histamine type 2 (H2) receptor blockers, and recreational drugs are commonly associated with ED. Diabetes, hypertension, hyperlipidemia, and alcohol use are risk factors in ED. ED frequently provides insight into the patient's emotional problems. ''Over the last 4...

What is a radical prostatectomyAre there different types

Laparoscopic radical prostatectomy is a procedure that has the advantages of the retropubic approach but, because there are several small abdominal incisions as opposed to the longer midline incision, the discomfort is less and the recovery is quicker with this approach. The disadvantage of this procedure is that it is relatively new and requires a urologist with advanced skills in laparoscopy. It may take longer to perform than an open radical retropubic prostatectomy. The outcomes of laparoscopic prostatectomy, such as urinary incontinence, erectile function, and positive margin rates are similar to open surgery. Robotic-assisted radical prostatectomy has surpassed laparoscopic radical prostatectomy in terms of the number of procedures being performed. Form of radical prostatectomy whereby an attempt is made to spare the nerves involved in erectile function. The nerves responsible for erectile function run along each side of the prostate and along each side of the urethra before...

What are the risks of surgery How are they treated

All surgical procedures have risks, and the common ones are infection, bleeding, pain, and anesthetic complications. Larger surgical procedures, which involve lengthier operative times and decreased postoperative mobility, have the risk of blood clots in the legs (deep venous thrombosis), pulmonary embolus, pneumonia, and stress-related stomach ulcers. Complications of radical prostatectomy include hernia, significant bleeding requiring blood transfusion, infection, anesthetic-related complications, impotence, urinary incontinence, bladder neck contracture, deep venous thrombosis, rectal injury, and death. Impotence Impotence, or erectile dysfUnction, is unfortunately a commonly identified risk of radical prostatectomy. The nerves that supply the penis and that are involved in the erectile process lie along each side of the prostate and the urethra. They may be taken deliberately by the surgeon (non-nerve-sparing radical prostatectomy), or they may be injured permanently or...

What is brachytherapyinterstitialseed therapy Who is a candidate What are the risks

Erectile Dysfunction This condition may occur in as many as 40 to 60 of men who undergo interstitial seed therapy. Unlike radical prostatectomy, the erectile dysfunction tends to occur a year or more after the procedure and not right away. As with post radical prostatectomy ED, there are a variety of options available to treat it (see Part Three, Erectile Dysfunction).

What is cryotherapycryosurgery Who is a candidate What is the success rate What are the risks

Common side effects of cryotherapy include perineal pain, transient urinary retention, penile and or scrotal swelling, and hematuria. Urinary retention occurs in roughly 3 of individuals. Anti-inflammatories seem to help, but individuals may require a catheter or suprapu-bic tube for a few weeks post-treatment. Penile and or scrotal swelling is common in the first or second post-procedure weeks and usually resolves within 2 months of cryotherapy. Penile paraesthesia may occur and usually resolves within 2 to 4 months postprocedure. Long-term complications of cryotherapy include fistula formation, incontinence, erectile dysfunction, and urethral sloughing. The risk of permanent incontinence (i.e., need to wear a pad) is reported to range from < 1 to 8 . However, in individuals undergoing salvage cryotherapy after radiation failure, the incidence of urinary incontinence may be as high as 43 . Similarly, with total prostate gland cryotherapy, the ice ball extends beyond the capsule of...

What types of laser therapy are available

The procedure can be repeated in different areas of the prostate. The procedure takes about 30 to 60 minutes to perform. After the procedure is performed an indwelling foley catheter is placed which is usually removed in a few days. It is not uncommon to see some blood in the urine after the procedure, which usually clears in a week. Rarely, erectile dysfunction, retrograde ejaculation, and incontinence can occur.

How do erections normally occur

In order to understand how an erection occurs, one must first learn a little about the anatomy of the penis. The penis may look like one simple tube, but it is actually comprised of three cylinders. There are two on the top of the penis called the corpora cavernosa (a Latin phrase meaning, roughly, bodies composed of hollows or caves) and one on the underside of the penis, the corpus spongiosum (sponge-like body) (Figure 28). The tip of the penis, called the glans, is part of the corpus spongiosum. The corpora cavernosa are surrounded by a fibroelastic layer of tissue, the tunica albuginea (literally, white coat, referring to fact that the tunica albuginea is a thick white membrane wrapped around the You might be surprised to learn that erections aren't simply something that happens in the penis. For an erection to occur, there must be proper functioning of many physical structures and systems the brain, certain nerves in the pelvis, and the arteries and veins that supply the penis....

Is ED a normal process of aging Is ED preventableIs it curable

Older men often note that it takes longer to achieve an erection. In fact, men older than 50 years can take 2 to 3 times longer to develop an erection than younger men. The erection may not be as rigid as in younger years, and arousal alone may not lead to full rigidity without tactile (touch) stimulation. It may also take longer to climax. Ejaculation (the release of semen through the penis during orgasm) may not occur, or it may occur with less force. The recovery period after ejaculation increases with age, and many men older than 55 years are not able to have another erection for 12 to 24 hours after ejaculating. These normal changes related to aging should not be confused with sexual dysfunction or ED failure to understand these normal changes and to adapt to them may cause stress and anxiety and may complicate erectile function. In ED, the erections are either inadequate for penetration or do not last long enough for completion of sexual performance. In short, the incidence of...

What is sexual dysfunction

The term sexual dysfunction broadly encompasses trouble with any component of the sexual response cycle. The sexual response cycle in men consists of sexual desire interest (libido), sexual arousal (erection), orgasm (including emission involuntary discharge of semen from the ejaculatory duct into the urethra and ejaculation), and detumescence (return of the penis to the flaccid, nonerect state). An abnormality in one component of the sexual response cycle may not affect the remainder of the components of the cycle. For example, one may still be able to climax and ejaculate without achieving a rigid erection. Common sexual dysfunctions include problems with libido, ejaculation, and orgasm. Sexual arousal requires input from nerves and arteries. To achieve an adequate erection, there must be at least six times as much blood flow into the corpora cavernosa. Changes in nerves, arteries, and veins may lead to trouble with erections. The Massachusetts male aging study demonstrated that...

What happens if my sex drive libido is low What causes it can it be treated

Your interest in sex is governed by sex hormones, primarily testosterone, and by psychosocial factors. Low testosterone levels are associated with decreased libido. Stress, depression, or anxiety may also affect your libido. In men with erectile dysfunction, interest in sex may be diminished as a result of their inability to achieve an adequate erection.

What is Peyronies disease and what causes it

Peyronie's disease is a benign condition of the penis that tends to affect middle-aged males. The exact cause of Peyronie's disease is not known. The disease is characterized by the formation of plaques in the tunica albuginea of the penis. These plaques may be felt on penile examination and at times can feel as hard as bone. The plaques are like scar tissue and affect the function of the tunica in that area. Because the plaque is not elastic and stretchy like the rest of the tunica, it pulls the penis to the side of the plaque during an erection and may also cause wasting narrowing at the site of the plaque. There may also be pain associated with an erection. Lastly, because the plaque does not behave like normal tunica, it may also cause erectile troubles. The plaque may occur anywhere along the penile shaft but is more commonly identified on the top (dorsal) surface of the penis. More than one plaque may be palpable. The hallmarks of Peyronie's disease are a palpable plaque (a hard...

What is priapism and what causes it

High-flow priapism may occur after there has been an injury to the penis that causes damage to an artery that results in unregulated blood flow into the penis. Because there is an increase in arterial blood (which carries oxygen) into the penis, high-flow priapism does not cause pain. In high-flow priapism, there is venous drainage out of the penis, so the erection does not tend to be as rigid as in a full erection. Low-flow priapism occurs more in men with sickle cell disease trait a condition in which the red blood cells take on an abnormal (sickle) shape in response to decreased oxygenation, dehydration, and acidosis and cancers of the blood, such as leukemia. It may also occur with injection therapy for erectile dysfunction and with certain psychiatric medications, such as trazodone. It has also been seen in men taking illicit drugs such as cocaine and marijuana. Because the problem consists of a problem with drainage of blood from the penis, which has little oxygen in it, this...

What are oral therapies for ED specifically the phosphodiesterase type 5 PDE5 inhibitors

Currently, three oral therapies are available for the treatment of ED. The first therapy to become available was sildenafil (Pfizer's Viagra), which was approved by the FDA in 1998. Vardenafil (Bayer's Levitra) and tadalafil (Lily Icos's Cialis) were approved for use years later. All three of these oral therapies are phosphodi-esterase type 5 (PDE-5) inhibitors. Critical to the success of all of the PDE-5 inhibitors is the need for sexual arousal (sexual stimulation) after taking the medication. That is, these medications will not cause an erection to occur without sexual stimulation. It is okay to have a glass of wine, a beer, or a mixed drink when using these therapies such limited alcohol consumption should not interfere with their effectiveness. Too much alcohol, however, may have a negative effect on erectile function, so a man should limit his alcohol intake when taking any of these medications. Figure 32 Neurologic mechanism of erectile function. Sexual stimulation leads to...

What is the vacuum device

The vacuum device is a safe, reliable, reversible, noninvasive method of achieving an erection. The time taken to achieve an erection with the vacuum device varies but may be as short as 2-3 minutes. The band may be left on the penis for 30 minutes only. Most men are able to quickly learn how to use the device and become comfortable with using it within four practice sessions. I have tried the vacuum device but never had much satisfaction with it. For me, the preparation and the mechanics of achieving and sustaining an erection with the device were too much. I was dubious right from the onset, when the vacuum device's manufacturer's representative met with me in the doctor's office to demonstrate the device. He unveiled a 10-inch cylindrical container that was placed over my flaccid penis after I had affixed some Mason jar-type rubber rings at the base of the device. After the vacuum device has created an erection, I would have to dislodge these rings from the base of the device so...

What are the success and satisfaction rates for the vacuum device

The initial report on the vacuum device, which was published in 1985, reported a 90 success rate for this device in achieving an erection that was adequate for sexual performance. Since then, published success rates with the vacuum device have ranged from 84-95 , and overall satisfaction rates reported for this device have ranged from 72-94 . Notably, the vacuum device has been shown to be effective in treating men with erectile dysfunction of many different causes. In patients with spinal cord injuries, the success rate is reported to be 92 . In those with psychogenic erectile dysfunction, this device also yields good results. In men who have erectile dysfunction caused by arterial disease or after radical prostatectomy, the success rate ranges from 90-100 . Furthermore, the vacuum device is successful in some men who were impotent after the removal of a penile prosthesis. Several studies have compared the vacuum device with other forms of treatment for ED. In a study of men who were...

Who is a candidate for oral therapy with a PDE5 inhibitor

Source Ellsworth, P. 100 Questions and Answers About Erectile Dysfunction, 2e. Jones and Bartlett Publishers, LLC, 2008. Source Ellsworth, P. 100 Questions and Answers About Erectile Dysfunction, 2e. Jones and Bartlett Publishers, LLC, 2008. Use of PDE-5 inhibitors is on demand, meaning that in most cases, each time you want to have intercourse, you need to take a pill. These pills facilitate your body's response, rather than causing an erection on their own, so they require sexual stimulation or foreplay to work. Other medications that increase PDE-5 inhibitor levels include erythromycin (E-mycin), clarithromycin (Biaxin), ketoconazole (Nizoral), itraconazole (Sporanox), and cimetidine (Tagamet). Men taking protease inhibitors, such as indinavir (Crixivan), nelfinavir (Viracept), ritonavir (Norvir), or saquinavir (Fortovase), should start at a lower dose and take the PDE-5 inhibitor less frequently because the protease inhibitors (generally prescribed for HIV infection and AIDS)...

Are there different types of problems with ejaculation What causes them and how are they treated

What is premature ejaculation and what causes it Premature ejaculation is ejaculation that occurs sooner than desired, either before or shortly after penetration, that causes distress to one or both partners. This condition tends to occur more frequently in younger men. Premature ejaculation is the most common form of sexual dysfunction, occurring in 21 of men ages 18 to 59 years in the United States. The condition may be lifelong (primary) or acquired (secondary). Despite its prevalence, men rarely seek help. Some men with ED may develop secondary premature ejaculation, possibly caused by either the need for intense stimulation to attain and maintain an erection or because of anxiety associated with difficulty in attaining and maintaining an erection. In these patients, treating the erectile dysfunction may lead to resolution of the premature ejaculation.

What is the success rate for PDE5 inhibitors

Overall, the PDE-5 inhibitors have a similar success rate. Success rates range from 48 to 81 with the various therapies, depending on the etiology of the ED. Individuals who have failed to respond to one of these medications may, however, respond to a different PDE-5 inhibitor. In one study, vardenafil was shown to be helpful in patients who had previously failed to respond to sildenafil therapy. However, studies have also demonstrated that patients who have failed an initial trial of sildenafil, when educated regarding proper use and rechallenged with sildenafil, have an increased likelihood of responding. Similarly, if you experience bothersome side effects with one medication, let your doctor know and your doctor may recommend trying a different PDE-5 inhibitor. In men who have External-Beam Radiation Therapy-related erectile dysfunction, response rates range from 48 to 90 . erectile status prior to the surgery and nerve-sparing status. The success rates of sildenafil for men who...

Who is a candidate for penile injection

The dose required to achieve a successful erection varies greatly with the cause of the erectile dysfunction. Young men with spinal cord injury may require only 1 ig of Caverject or Edex, whereas older men with vascular disease and diabetes may require 40 ig of these medications.

What is the success rate of MUSE

Constrictor, a constricting band that is placed at the base of the penis, have helped some men. In some men, an erection rigid enough for penetration may occur in the standing position however, when these individuals change to a supine position, the erection may decrease. In these men, changing the position used for intercourse or using the constricting band has proved helpful. It is difficult to predict who will and who will not respond to MUSE. The patient's age and the cause of the erectile dysfunction, for example, are not predictive of response. Nevertheless, MUSE is unlikely to be effective in men who have not responded to intracav-ernous injection therapy.

What happens when hormone therapy fails

Still believed to have organ-confined disease. Individuals in this group include those who have a Gleason score < 6, a low pretreatment PSA level (< 10 ng mL), and low clinical stage tumor (T1c or T2a). At the time of the salvage prostatectomy, they should still have a favorable Gleason score, a low clinical stage, and, ideally, a PSA that is < 4 ng mL. Salvage prostatectomy is a challenging procedure, and if you are considering this option, you should seek out an urologist who has experience with it because there is an increased risk of urinary incontinence, erectile dysfunction, and rectal injury with this procedure. Rarely, because of extensive scarring, it is necessary to remove the bladder in addition to the prostate, and a urinary diversion would be necessary. A urinary diversion is a procedure that allows urine to be diverted to a segment of bowel that can be made into a storage unit similar to a bladder or allows urine to pass out of an opening in the belly wall into a...

Are there different types of hormone therapy Do I need to have my testicles removed

The advantages of bilateral orchiectomy are that it causes a quick drop in the testosterone level (the testosterone level drops to its lowest level by 3 to 12 hours after the procedure average is 8.6 hours ), it is a one-time procedure, and it is more cost effective than the shots, which require several office visits per year and are more expensive. The disadvantages of orchiectomy are those of any surgical procedure and include bleeding, infection, permanence, and scrotal changes. In men who have undergone bilateral orchiec-tomy and are bothered by an empty scrotum, bilateral testicular prostheses may be placed that are the same size as the adult testes. Most men who undergo bilateral orchiectomy lose their libido and have erectile dysfunction after the testosterone level is lowered. Other long-term side effects of bilateral orchiectomy, related to testosterone depletion, include hot flashes, osteoporosis, fatigue, loss of muscle mass, anemia, and weight gain. Impotence, decreased...

What are some of the side effects of hormonal therapy and how are they treated

LHRH analogues and antagonists have side effects that may affect your quality of life over the short and long term (Table 9). Some of the side effects related to these medications, such as hot flashes, erectile dysfunction, anemia, and osteoporosis, can be treated. Erectile dysfunction occurs in about 80 of men taking LHRH analogues and antagonists and is associated with decreased libido (sexual desire). The widely prescribed drug silde-nafil (Viagra) as well as the other oral therapies for erectile dysfunction, vardenafil (Levitra) and tadalafil (Cialis) are effective in most of these men if they had normal erectile function before starting hormone therapy. Unfortunately, there is no medication to restore libido.

What are the 5alpha reductase inhibitors

What are the side effects of 5-alpha reductase inhibitors Side effects found in the first year of 5-alpha reductase inhibitor use include decreased sexual drive (libido), increased ejaculatory dysfunction (such as smaller amount of semen ejaculated), difficulty getting an erection, breast tenderness or enlargement. One large study demonstrated that after a year of treatment, finasteride resulted in the same level of decreased sex drive and inability to get an erection as placebo. Ejaculatory dysfunction was higher with finasteride than with placebo. Asymptomatic men with a PSA < 3.0 ng ml who are regularly screened with PSA or who are anticipating undergoing annual PSA screening for early detection of prostate cancer may benefit from a discussion of both the benefits of 5-alpha reductase inhibitors for 7 years for the prevention of prostate cancer and the potential risks (2-4 increase in reported erectile dysfunction and gynecomastia (enlarged and or painful breasts), and decrease...

What if my testosterone level is low What are the risks and benefits of testosterone therapy

Hypogonadism is a condition in which low levels of testosterone are found in association with specific signs and symptoms, including decreased desire (libido) and sense of vitality, erectile dysfunction, decreased muscle mass and bone density, depression, and anemia. When hypogonadism occurs in an older male, it is referred to as andropause, or androgen deficiency of the aging male. Hypogonadism is estimated to affect 2 to 4 million men in the United States, and its incidence increases with age. Only about 5 of affected males are being treated. Table 18 Treatment Options for Erectile Dysfunction 48-81 varies with etiology of erectile dysfunction Concomitant nitrate use, retinitis pigmentosa. When using concomitant alpha-blockers, pt should be on stable dose of alpha-blocker prior to starting sildenafil start with 25 mg dose. Follow Princeton guidelines regarding use in CV pts. Table 18 Treatment Options for Erectile Dysfunction (Continued) Vardenafil Nitrates, retinitis pigmentosa if...

What are externalbeam and conformal externalbeam radiation therapies What are the side effects of EBRT

The side effects of EBRT or conformal EBRT can be either acute (occurring within 90 days after EBRT) or late (occurring > 90 days after EBRT). The severity of the side effects varies with the total and the daily radiation dose, the type of treatment, the site of treatment, and the individual's tolerance. The most commonly noted side effects include changes in bowel habits, bowel bleeding, skin irritation, edema, fatigue, and urinary symptoms, including dysuria, frequency, hesitancy, and nocturia. Less commonly, swelling of the legs, scrotum, or penis may occur. Late side effects include persistence of bowel dysfunction, persistence of urinary symptoms, urinary bleeding, urethral stricture, and erectile dysfunction. 24. What if I am incontinent after radical prostatectomy or radiation therapy What if I have erectile dysfunction after radical prostatectomy or EBRT or brachytherapy erectile function. Basically, all of the treatment options carry a risk of erectile dysfunction however,...

What is intraurethral alprostadil MUSE and how do I use it

Muse Alprostadil

Intraurethral alprostadil (Vivus's MUSE) is an intraurethral medication (i.e., a drug that is injected into the urethra) that was approved by the FDA in June 1998. Alprostadil is a synthetic form of a normal body chemical, prostaglandin E1, that causes increased blood flow into the penis. MUSE works differently than sildenafil (Viagra), the oral therapy for ED. That is, the prostaglandin in MUSE stimulates the production of a chemical called cAMP, which, like cGMP, can cause the relaxation of smooth muscle and thus increase blood flow to the penis. MUSE is an on-demand medication, meaning that you must take it each time that you wish to achieve an erection. The suppository of the alprostadil is enclosed in a small applicator (Figure 33). You should void before inserting the tip of the applicator into your penis, because voiding helps lubricate the urethra. Other topical lubricants, such as K-Y Jelly, Vaseline, and mineral oil, cannot be used with MUSE because they interfere with the...

What causes ED

Many medical conditions and medications (Table 16) can cause ED. Smoking, alcohol abuse, drug abuse, stress, and depression can also cause ED. Considering erectile function as a neurovascular event, we can divide the causes of ED into those that affect the brain and nerves (neurologic) and those that affect the arteries and veins (vascular). prostate cancer. The onset of ED after radiation therapy is usually not immediate it typically occurs 2 or more years after the radiation therapy. Interstitial seed therapy for prostate cancer also affects erectile function in 25 to 60 of men who undergo it. As with external-beam radiation therapy, the effect on erectile function is usually seen a year or more after seed placement. Smoking causes vasospasm, or tightening up of the arteries, but it also may cause atherosclerosis, or hardening of the arteries. Venous leaks or abnormal veins may result from prior trauma and may be identified in Peyronie's disease, a benign condition affecting the...

Patient Instructions

Sexual health is an important part of an individual's overall physical and emotional well-being. Erectile dysfunction, also known as impotence, is one type of very common medical condition that affects sexual health. Fortunately, there are many different treatment options for erectile dysfunction. This questionnaire is designed to help you and your doctor identify whether you are experiencing erectile dysfunction. If you are, you may choose to discuss treatment options with your doctor.

Mghr on for 1214 hours off for 101 hours

Therefore, long-acting nitrates are relatively contraindicated in these conditions. Because life-threatening hypotension may occur with concomitant use of nitrates and phosphodiesterase type 5 inhibitors, nitrates should not be used within 24 hours of taking sildenafil or vardenafil or within 48 hours of taking tadalafil. Skin erythema and inflammation may occur with transdermal nitroglycerin administration and may be minimized by rotating the application site.

Effectiveness of Early Detection and Intervention

Screening with PSA and DRE can detect prostate cancer in its early stages, but it is not clear whether early detection improves health outcomes. Screening may result in several potential harms, including frequent false-positive results, biopsies, and anxiety. Treatment side effects may include erectile dysfunction, urinary incontinence, and bowel dysfunction. Treatment of all cases detected by screening is likely to result in many interventions for men who would never have experienced symptoms from their cancers (Harris et al., 2001).

Psychogenic Factors that Impair Sexual Ability

1998), consistently promote sexual urges, but many reduce them in ways that are often emotionally troublesome to people. The most widespread problems are associated with the anorgasmia and reductions in sexual motivation that result from the use of antide-pressants, most recently the selective serotonin reuptake inhibitors (SSRIs) (Rosen et al., 1999). However, other agents are not without problems (Gitlin, 1994), and there are some drugs that can facilitate sexual abilities (Crenshaw and Goldberg, 1996). Mammalian sexual energy is dependent heavily on brain dopamine release, so it is not surprising that all antipsychotics tend to diminish sexual urges (Van Furth et al., 1995). There is no simple way around these problems except drug discontinuation. Despite the ability of sexual performance enhancers such as sildenafil (Viagra) to promote sexual capacity, they still need to be evaluated in interaction with the major psychiatric drugs as well as in terms of various psychological...

Influence of testosterone on sexual behaviour in men

As the healthy male produces much higher levels of androgens than necessary to maintain sexual function, lowering serum testosterone levels to the normal low range or increasing them to the high normal range in eugonadal men has no appreciable effect on sexual function (Buena etal. 1993). This led to the conclusion that androgens are only beneficial in those men whose endogenous levels are abnormally low. However, Bancroft (1984) pointed out that we cannot be certain on this point because with increasing levels of endogenous androgen supply it becomes more difficult to manipulate the circulating levels with exogenous hormones. The homeostatic mechanisms are powerful and the more testosterone is administered, the more the individual's own supply is suppressed or the metabolic clearance rate is increased. In a study by Benkert et al. (1979), who gave eugonadal men testosterone undecanoate daily to treat erectile dysfunction, no increase in circulating hormone levels was achieved. Their...

Autonomic and Other Problems

Drooling may be accompanied by speech problems and dysphagia. Anticholinergics, botulinum toxin injections, and sublingual atropine can decrease drooling. Speech therapists perform swallowing studies to assess the risk of aspiration, and nutritionists optimize diet. Patients at high risk of aspiration or poor nutrition may require placement of a percutaneous endoscopic gastrostomy tube. Nausea improves if patients take their PD medications with meals or pharmacologic therapy (domperidone in Canada or trimethobenzamide). Sexual dysfunction or urinary problems may require a urolo-gic evaluation. Adjustment of PD therapy to increase on time, removal of drugs that decrease sexual response, and pharmacologic therapy (sildenafil or yohimbine) may help treat sexual dysfunction. Patients with urinary frequency may find a bedside urinal along with a decrease in evening fluids helpful. Improvement in PD symptom control can improve urinary frequency, but worsening symptoms may require...

Ecology of Nutritional Deficiency Diseases

The relationship between food in the market and its availability to an individual for actual consumption depends on a host of intervening factors (Aggarwal 1986). Among these factors are family income, gender, age, season of the year, government regulations, and cultural factors such as dietary restrictions, taboos, and preferences. Addressing the role of cultural dietary preferences in disease ecology, A. K. Chakravarti (1982) provides evidence to show that existing regional differences do translate into a significantly higher incidence of diet-related diseases. These facts were earlier noted by J. M. May (1961). In predominantly rice-eating areas, where highly polished rice is preferred, beriberi is preeminent, because of thiamine deficiency, which results from the polishing process. Where parboiled rice is widely employed, however, the incidence of beriberi is claimed to be significantly lower. Consumption of khesari as the basic pulse in eastern Madhya Pradesh has been associated...

Male Sex Act Big Picture

The male sex act begins with sexual stimulation. Somatic sensory nerves relay this information to the central nervous system. Parasympathetic impulses from the S2-S4 levels of the spinal cord cause blood to flow into the erectile tissue of the penis, resulting in penile erection. Sympathetic impulses from the T10-L2 spinal cord levels cause seminal fluids to mix with the sperm in the urethra in a process called emission. Ejaculation is the expulsion of the semen from the penis, which is caused by sympathetic innervation as well.

Professionalism And Risks

Historically, health professionals, when confronted with infectious disease, have had to fear contagion. Fear (here defined as a sensation or feeling of anxiety caused by the realization, perception, or expectation of impotency in the face of perceived or expected danger or evil) subsumes qualities of dread and awe and further has other emotive and aesthetic elements.32 Counterpoised against such fears are the presumed duties of the profession not only the obligations assumed by moral agents in recognition of the moral law as distilled through the vision of specific social contract by particular societies, but likewise the more specific obligations inherent in being a professional of a particular type. Courage (the disposition to voluntarily act, perhaps fearfully, in dangerous circumstances, its essence being the mastery of fear for the preservation of a perceived good against dangers) gives the edge to doing what one perceives to be the right thing despite one's fears.33 What health...

Testosterone and cardiovascular disease in men

Peripheral arterial disease is the consequence of atherosclerosis in the aorta and the arteries of the pelvis, the lower and upper extremities. A specific male variant of peripheral artery disease is vasculogenic erectile dysfunction, which is the most frequent cause of erectile dysfunction (see also Chapter 11). Observational studies on the association of testosterone with peripheral arterial disease are scarce. In the Rotterdam study, the presence of aortic calcifications were found to be associated with low total and free testosterone (Hak et al. 2002). With respect to erectile dysfunction, the role of hypotestosteronemia as a source of the vascular variant is difficult to assess since testosterone also affects neurovegetative and psychological aspects of sexual activity. At least, except the small subgroup of men with frank testosterone deficiency (< 5 ), men with erectile dysfunction were not found to have lower average testosterone levels than matched controls (Jannini et al....

Nonpharmacologic Therapy Lifestyle Modifications

Lifestyle modifications should always be addressed in the management of ED. A healthy diet, increase in regular physical activity and weight loss are associated with higher International Index of Erectile Dysfunction (IIED) scores and an improvement in erectile function.14 The clinician should recommend smoking cessation, reduction in excessive alcohol intake, and discontinuation of illicit drug use. VEDs are one of the most effective treatment modalities for ED. They have a success rate of greater than 90 in obtaining an erection sufficient for coitus and are considered a first-line noninvasive therapy.16 Rigidity may be improved by using a double pump technique in which the vacuum is applied for a couple of minutes, removed, then reapplied for another few minutes. Higher efficacy rates can also be achieved by combining VEDs with other therapies. Sildenafil (Viagra), tadalafil (Cialis), and vardenafil (Levitra) act by selectively inhibiting phosphodiesterase (PDE) type 5, an enzyme...

Effects of testosterone therapy on erection in hypogonadal men

Since the early beginning of testosterone therapy of hypogonadal patients it has been known that testosterone restores normal male sexual behaviour and erectile function (see Chapter 4). A meta-analysis on testosterone therapy for erectile dysfunction in hypogonadal patients confirmed the significant improvement of erections after initiation of testosterone therapy (Jain et al. 2000). It should be noted that most of the clinical trials included only small numbers of patients, in most cases fewer than 20. Pooled data on placebo-controlled studies showed an improvement of erectile function in 36 of 55 men treated with testosterone, whereas significantly fewer men responded to placebo treatment (9 out of 45) (Jain et al. 2000). A recent large study involving 227 hypogonadal men randomly assigned to therapy with non-scrotal testosterone patches (two testosterone patches per day) or testosterone gel (5-10 g testosterone gel per day) demonstrated significant improvement of erectile function...

Innovation Characteristics

An example of both characteristics occurred with Pfizer. Chemists were working with a chemical compound (Sildenafil) to treat angina. This treatment proved to be ineffective - thus it was not an innovation. However, it was discovered that this chemical was effective in treating male erectile dysfunction, and very successfully marketed as Viagra. Thus, the unexpected use of the drug lead to it becoming an innovation.

Antidepressants in the selective serotonin reuptake inhibitor category SSRIs

The oral medications, first introduced in 1997, work by blocking an enzyme (phosphodiesterase type 5) in the penis, thereby allowing the smooth muscles to relax and the penis to fill with blood. They do not produce an erection by themselves, but only when accompanied by erotic stimulation. The effective dose varies among men some men, but not all, get a better response at a higher dose. These medications should never be taken by men who are also taking nitrates for angina or chest pain the drug interaction can be fatal. atrophy of penile tissue. Biopsies of penile tissue were performed at six-month intervals in two groups of men one group took sildenafil every other night for six months and the other did not.20 If additional, longer-term benefits are definitely proven, these medications will be routinely prescribed to preserve penile function in men undergoing treatment for cancer of the prostate. My own experience with erectile dysfunction has been reasonably satisfactory. Like most...

Prostate Sparing Laparoscopic Radical Cystectomy

Prostate- and seminal-sparing cystectomy may be an option in young patients whose preservation of urinary continence and sexual potency are fundamental (26). In carefully selected patients, this procedure was proposed in open surgically resulting in more than 90 of patients being potent, while nearly all are totally continent, with no additional oncologic risk. In 2003, Guazzoni et al. reported the initial three cases of laparoscopic nerve- and seminal-sparing cystectomy with extracorporeally created orthotopic ileal neobladder (27). The operative time was 410 to 480 minutes, blood loss was 150-300 mL, and hospital stay was eight to nine days. All three patients were fully continent and had normal sexual functions at three months after surgery.

Overt Type 2 Diabetes

Most patients diagnosed with type 2 diabetes may not note the typical hyperglycemic symptoms described for type 1 diabetes. The difference may be that type 2 diabetes evolves over years below the symptomatic threshold because sufficient insulin is present to prevent the marked lipolysis and ketonemia more typical of type 1 diabetes, with its obligatory water and electrolyte losses. Most patients with type 2 diabetes are discovered incidentally, such as during routine risk factor assessment for cardiovascular disease or other work-up for various symptoms, including peripheral senso-rimotor neuropathy, Bell's palsy, erectile dysfunction, visual changes, and gastrointestinal complaints, which may lead to finding an elevated FSG and the diagnosis of type 2 diabetes.

Allopathic adulterants

The prevalence of allopathic medicines in herbal preparations has been of particular concern in Asian countries with large Chinese populations. The Taiwanese Food and Drugs Administration reported that 30 of the antirheumatic and analgesic herbal products that they sampled contained a wide range of allopathic drugs, including analgesics and steroids (NLFD 1991). Another large-scale study in Taiwan analysed 2609 samples and found that 26 contained at least one adulterant, such as acetaminophen and prednisolone (Huang et al. 1997). In Hong Kong, the government laboratory carried out 65,748 tests on Chinese medicines in 2004 (GovHK 2004). Many of the proprietary Chinese medicines on sale for the treatment of obesity and impotence caused the most concern. They were found to contain sidenafil, tadalafil, sibutramine, and N-nitrosofenfluramine. In Malaysia in 1991, 83 of anti-arthritis preparations seized from Chinese medicine shops contained phenylbutazone. 'Black pills' for arthritis,...

Emergency Department Treatment and Disposition

Mild cases (oxygen saturation in the 90s on low-flow oxygen) at moderate altitudes (below 3500 m, 11,483 ft) may be treated at altitude with bed rest and oxygen. If supplemental oxygen and a reliable person are available, the patient may be discharged with oxygen therapy and bed rest at home or in lodgings. More severe cases should descend immediately and may require admission to a hospital at a lower altitude and, in extreme cases, intubation and mechanical ventilation. Nifedipine is of benefit but is not a substitute for descent. Some experts now use PDE-5 inhibitors such as sildenafil or tadalafil instead of nifedipine. Hyperbaric therapy, especially with a portable hyperbaric chamber (Gamow bag), has an efficacy equal to that of supplemental oxygen and is mainly helpful in prehospital settings where oxygen availability is limited.

Steps in Neurovascular Bundle Preservation

These nerves are very fragile and any trauma of any nature can definitively damage them and compromise erectile function. The goal is to dissect the nerves in as delicate a way as possible and with the least manipulation. Developing the appropriate plane of dissection close to the prostate is ideal however, oncological safety must not be compromised.

Obstructive Sleep Apnea

Although obstructive sleep apnea (OSA) is not always associated with obesity, excessive weight is a major risk factor. About 70 of OSA patients are obese. Among obese persons, the incidence of OSA is approximately 40 (Poulain et al., 2006). The increased risk may be related to increased neck circumference and pharyngeal fat deposits. Often unrecognized, OSA has significance beyond daytime somnolence and the spousal impact of disruptive snoring and has been associated with systemic effects as well, such as pulmonary hypertension, right-sided CHF, and erectile dysfunction. Weight loss may benefit the OSA patient. Conversely, a patient with mild OSA who has a 10 increase in body weight then has a sixfold increased risk of progressing to moderate or severe sleep apnea (Caples et al., 2005).

Historical Considerations

Phallic reconstruction poses a difficult challenge for the penile cancer surgeon. The main goals of surgery are the creation of a cosmetically acceptable sensate neophal-lus with the incorporation of a neourethra to allow voiding standing up and with enough bulk to allow the insertion of a penile prosthesis in order to allow sexual intercourse.1

Who should be considered for treatment

As to the first question, in theory androgen administration to elderly men may be either substitutive to alleviate symptoms and prevent complications of a partial or more complete androgen deficiency, or rather pharmacological administration to elderly men who are not necessarily androgen deficient, but with specific treatment goals such as prevention or treatment of osteoporosis, frailty, or treatment of erectile dysfunction. Clearly, although there have been a few small-scaled studies providing indications of potential treatment benefits (Gruenewald and Matsumoto 2003), for no single indication does the present evidence even approach justifying pharmacological androgen treatment in elderly men. Thus we are left with only substitutive treatment to be considered at this time. There exist a number of questionnaires that are being used in clinical or epi-demiological settings to help describe and semi-quantify symptoms in different areas that are of relevance to elderly men, such as...

Robotic Radical Cystectomy and Urinary Diversion

With a larger clinical experience, operative times and estimated blood loss have improved. Menon et al. reported a series of 14 nerve-sparing robot-assisted radical cystoprostatectomies with urinary diversion (22). The da Vinci system was utilized to perform all aspects of the surgery except for the urinary diversion, which was performed extracorporeally. For those undergoing an orthotopic neobladder, the da Vinci was also utilized to perform the urethroneovesical anastomosis. Mean operative time for the nerve-sparing cystoprostatectomy was 140 minutes and average blood loss for the entire procedure less than 150 mL. One complication of unexplained blood loss requiring exploration was reported (22). Results are currently not available in regard to postoperative continence and erectile function.

Possible benefits of androgen replacement in women

In all, the weight of the studies assessing the effect of various forms of androgen replacement on sexual function in women demonstrate a modest benefit in a fashion similar to, but not as pronounced as, that seen in hypogonadal men given testosterone replacement. The fact that improvement in sexual function is not dramatic may point to the relative complexity of sexual response in women, or be a reflection of study limitations, particularly in the measurement of female sexual response.

Radiotherapy as a Treatment of the Primary Tumor 12321 EBRT

2 Gy, and treatment time exceeding 45 days.32 The difference approached prognostic significance (p 0.052). The incidence of complications such as urethral stricture or stenosis has been reported to be 16 -49 . A further two studies have reported on erectile function which is preserved in up to 90 of the patients.33,34

The peripheral nervous system

As noted above, in the neurologically intact male, erections are mediated by both the reflexogenic and psychogenic pathways. The reflexogenic pathway is mediated primarily by the automatic sacral parasympathetic nerves and can be activated independently of conscious awareness. Psychogenic erection on the other hand involves supraspinal efferents and is thought to be mediated primarily by sympathetic innervation (Horn & Zasler, 1990). Psychogenic erection can be elicited by mental imagery and by nontactile sensory stimuli (Szasz, 1983). Reflex vasodilation of the genital vasculature in response to sexual stimuli is responsible for both male penile erection and female lubrication (Segraves, 1996). Neuroanatomical studies have demonstrated a dual innervation of the genitals in both sexes sympathetic innervation from the T12-L4 segments of the spinal chord and parasympathetic sympathetic innervation from the S2-S4 chord segments. Stimulation of the sacral parasympathetic fibres elicits...

Subcortical structures

The paracentral lobule (Horn & Zasler, 1990). Stimulation of thalamic areas may also result in erection (MacLean, 1975). The medial dorsal and anterior thalamus are sites that may be involved in the production of an erection. In these cases, input probably relays via the efferent tracts from the cingulum and frontal systems. Lesions in the thalamus have been associated with hypersexuality (Miller et al., 1986). In both the human male and female, direct stimulation of the septal region of the brain produces sexual orgasm and orgasm in the human is accompanied by electrical discharges in the septal area (Heath, 1963, 1972, 1975). Stimulation of the lower part of the septum and the adjoining medial preoptic area elicited full erection (MacLean & Ploog, 1962). Stimulation in some instances within the dorsal psalterium or fimbria of the hippocampus resulted in recruitment of hippocampal potentials and penile erection (MacLean, Denniston, Dua, & Ploog, 1962). Positive loci for...

Patients with impaired mood and wellbeing

Consistent with the effects of DHEA on mood andwellbeing in patients with adrenal insufficiency beneficial effects were also observed in randomizeddouble-blind studies in patients with major depression (Wolkowitz etal. 1999) and midlife dysthymia (Bloch et al. 1999). DHEA also improved scores on an ADL scale in patients with myotonic dystrophy (Sugino et al. 1998). Reiter et al. (1999) have reported an improvement in erectile function, sexual satisfaction and orgasmic function in 4060 year old men suffering from erectile dysfunction and receiving 50 mg DHEA day for six months in a randomized double-blind fashion. To compare the efficacy of DHEA vs. placebo in Alzheimer disease 58 patients were randomized to six months of treatment with DHEA (100 mg day) or placebo. A transient effect on cognitive performance narrowly missed significance (Wolkowitz et al. 2003), possibly because of the small patient sample. Recently Strous et al. (2003) have studied the efficacy of DHEA (100 mg day) in...

Neuromuscular Junction and Muscle Disorders

LEMS is either associated with malignancy, most commonly small cell lung cancer, or with other autoimmune disorders, including thyroid disease, pernicious anemia, vitiligo, and type I diabetes mellitus. General fatigue commonly precedes weakness. Gait dysfunction usually follows weakness on standing. Autonomic dysfunction, commonly cholinergic and involving nicotinic and muscarinic synapses, produces xerostomia and erectile failure. Orthostatic hypotension is not usually a feature. Although sluggish pupillary responses may occur, ocular symptoms are rare. Repetitive or sustained contraction can improve the lower extremity proximal muscle weakness. The combination of proximal muscle weakness and hyporeflexia are hallmarks of this disease. Neurophysiological studies help confirm the diagnosis. The weakened muscles exhibit reduced amplitude compound motor action potential (CMAP) with facilitation characterized by a twofold increase in CMAP after rapid stimulation at 20 to 50 Hz....

Mechanism of Erection

Erection is a complex process that begins with impulses of sexual arousal at the brain centers of sexual excitement. The impulses travel along nerves from the brain to the penis, where they cause secretion of a substance called nitric oxide. Nitric oxide sends signals that cause dilatation of blood vessels and increase blood flow to the penis. It is estimated that during the early stages of erection, the blood flow in the penis increases 2,000 percent to 4,000 percent. This increase in blood flow, along with the relaxation of the smooth muscles of the penis, causes the penis to increase in length and diameter (engorgement). The veins that normally drain the blood away from the penis are closed during erection. Any disturbance in the whole chain of events can contribute to erectile dysfunction.

Female Sexual Arousal Disorder

Treatment is based on the suspected cause of the sexual arousal disorder. Supplemental water-soluble lubrication may be needed. Off-label use of PDE-5 inhibitors (e.g., sildenafil) may be helpful in restoring the vascular response (Kaplan et al., 1999). The FDA-approved Eros Clitoral Therapy Device uses a silicon cup to apply a vacuum to increase blood flow to the clitoris and surrounding tissue. The device appears effective in women without detectable disease and after radiation treatment for cervical cancer (Munarriz et al., 2003, Schroder et al., 2005), although sample sizes have been small. Herbal supplements and botanical genital massage oil showed some effect in small studies (Ito et al., 2001, Ferguson et al., 2003). Partner issues and situational factors may need to be addressed.

Premature Rapid Ejaculation

The SSRI antidepressants can cause prolongation of the preorgasmic plateau and thus may delay ejaculation. Using SSRIs for premature ejaculation is currently an off-label use, although research is ongoing. In a single-blinded prospective study of paroxetine, fluoxetine, and escitalopram, 100 of men complaining of premature ejaculation experienced an improvement in their symptoms, with no difference detected between the three treatment groups (Arafa and Shamioul, 2007). Dapoxetine is a short-acting SSRI that can be taken as needed, instead of daily as with other SSRIs, but is not yet approved by the FDA for use in the United States. Phase III randomized, double-blind, placebo-controlled trials show dapoxetine, 30 and 60 mg as needed, achieved statistically significant improvements in perceived control over ejaculation (Hellstrom, 2009). PDE-5 inhibitors added to SSRIs may further improve premature ejaculation. Sildenafil with paroxetine or fluoxetine and tadalafil with fluoxetine have

Prevalence and incidence of disturbances of sexual functioning

Dimond (1980) reviewed the older and foreign language literature on the effects of brain injury on sexuality. Impotence has been associated with head injury for many years (Rojas, 1947 Stier, 1938), including boxers with cumulative traumatic encephalopathy (Maudsley & Ferguson, 1963). In examining sexual disturbances in a series of 100 patients with head injuries, Meyer (1955) found that 71 reported a decrease in sexual drive following injury (i.e., 30 mild and 41 severe) with the older patients more affected than the younger ones. Walker and Jablon (1961) report that in a large sample of World War II veterans with head injury (739 men) the vast majority (87 ) had no complaint about their sexual functioning subsequent to the injury. Eight percent complained of impotence or reduced libido, four reported an increase in sexual desire, and 14 reported other problems regarding their sexual appetites. The frontally injured subjects tended to have more sexual complaints than individuals...

Physical Manifestations

Obese males also encounter physical mechanisms that may enhance and, thus, further attribute to decreased fecundity and fertility. These problems include hypogo-nadotropic hypogonadism (HH), erectile dysfunction (ED) and sleeping disorders, such as sleep apnea. 26.3.3.2 Erectile Dysfunction ED is medical condition in which a male is incapable to get or keep an erection firm enough for sexual intercourse. Although obesity itself does not seem to be the underlying factor, it still does impose a risk to vasculogenic impotence through the development of chronic vascular disease 87 . A recent study by Corona et al. revealed that after adjustment for comorbidities, obese males with ED presented low androgen levels 88 . Moreover, lowered androgen levels have been associated with reduced plasma testosterone levels 89 . A decrease in testosterone levels in obese males with ED may further contribute to suboptimal semen quality, as testosterone is essential for the onset of sexual...

LUSTSexuality Systems

Perhaps in this Age of Viagra new sexuality-facilitating agents are no longer needed. However, one could argue that beside the mechanical aid offered by such nitric oxide facilitating, erection-sustaining substances, there is still a substantial need for agents that facilitate the psychological side of eroticism. Based on preclinical work in animals, it is to be anticipated that certain neuropeptides and steroids may be harnessed to facilitate such ends. An abundance of neuropeptides and steroids have been identified within the fundamental sexual circuits concentrated in subcortical regions of the mammalian brain (Pfaff, 1999). For some time, it has been evident that testosterone supplementation can strengthen sexual urges in both males and females (Crenshaw and Goldberg, 1996).

Role of Oxidative Stress in ED Unraveling the Molecular Mechanism

Abstract Many advances in the understanding of erection physiology and pathophysiology have been made in recent years. These advances have revealed the importance of oxidative stress and a complex interaction between oxidative stress and regulatory pathways in the penis in the development and progression of erectile dysfunction (ED) associated with various disease states. In this chapter, we present current knowledge of the pathophysiology of ED pertaining to the mechanisms of reactive oxygen species (ROS) production, the interaction between ROS-generating sources and the main regulatory pathways in the penis, the status of the antioxidant systems that reduce ROS bioavailability, and cellular targets for ROS action in vasculogenic and neurogenic ED. We further discuss a therapeutic strategy to improve erectile function in disease states by targeting specific ROS mechanisms in the penis. Keywords Oxidative stress Erectile dysfunction Molecular mechanism Penis

Selection of Medication

Check for drug interactions in patients receiving complex polypharmacy regimens, because drug-drug interactions are constantly being updated and changing. For example, fluoxetine is a potent 2D6 inhibitor that can triple TCA and phenytoin levels or increase the anticoagulation associated with warfarin. Fluoxetine also has the longest half-life of any SSRI its active metabolite norfluoxetine has a half-life of 10 days. SSRIs have sexual side effects (decreased libido, delayed orgasm or anorgasmia) and GI side effects (nausea, diarrhea) (see Table 47-4). GI side effects likely will remit over time, but sexual effects typically do not attenuate and may require treatment with other agents, such as a phosphodiesterase inhibitor (e.g., sildenafil), or choosing an antidepressant less likely to cause sexual side effects.

Oxidative Stress in Aging Associated ED

Molecular mechanisms underlying decreased neurogenic-mediated corpus cav-ernosum relaxation associated with aging involve disturbances in the central and peripheral systems of neurotransmission. Central neuropathy involves increased apoptosis and excessive ROS production in the hypothalamic areas involved in the control of penile erection. Peripheral mechanisms have been attributed to a reduction in nitrergic nerve fibers in the penis and decreased nNOS expression and activity 33 . However, the sources of ROS and the mechanisms of ROS-induced impairment of nitrergic neurotransmission in age-associated ED are not known.

Oxidative Stress in Diabetes Mellitus Associated ED

Penile tissue and blood from diabetic men with ED 42-45 and type 1 diabetic animals 46-53 contain high levels of superoxide. Oxidative stress impairs neuronal and endothelial production of NO in the penis, increases cavernosal tissue apoptosis and fibrosis, and induces nerve damage via membrane lipid peroxidation 34, 54-59 , DNA damage and consequent activation of downstream signaling molecules leads to increased synthesis of proinflammatory molecules and inhibition of eNOS activity 52, 53, 60, 61 , All of these derangements contribute to diabetic ED.

Oxidative Stress in Hypertension Associated ED

Angiotensin II is a potent vasoconstrictor implicated in the development and maintenance of hypertension. Within the vascular wall, angiotensin II acting through the angiotensin I (AT1) receptor stimulates the production of ROS by activation of NADPH oxidase 67 . The corpus cavernosum of hypertensive rats exhibits increased lipid peroxidation 68-70 . Protein expressions of NADPH oxidase sub-units p47phox 71 and gp91phox 70 are upregulated in hypertensive rat penis in parallel with increased oxidative stress and ED. Furthermore, apocynin, an inhibitor of NADPH oxidase, reduces oxidative stress and improves erectile function in hypertensive rats 71 implying a major role for NADPH oxidase in ROS production.

Oxidative Stress in Hypercholesterolemia Associated ED

Increased oxidative stress has been postulated to be major molecular factors contributing to hypercholesterolemia-induced vasculogenic ED 72-74 . Corpus caver-nosal tissue of cholesterol-fed animals exhibits increased production of ROS 75-79 . In the mouse penis, hypercholesterolemia increases protein expressions of NADPH oxidase subunits p67p hox, p47phox. and gp91p hox 76 , while inhibition of NADPH oxidase by diphenyleneiodonium chloride and apocynin inhibits ROS production and preserves erectile function 76, 77 . These findings indicate a crucial role for NADPH oxidase as a ROS-producing enzyme in ED associated with hyper-cholesterolemia. In addition to NADPH oxidase, eNOS uncoupling 75, 76 , but not xanthine oxidase 77 , also serves as a source of ROS in the penis of experimental hypercholesterolemic animals.

Oxidative Stress in ED Associated with Cigarette Smoking

Cigarette smoking, both active and passive, is a risk factor for ED 84, 85 . Increasing evidence provided by basic science studies supports the concept that smoking-related ED is associated with reduced bioavailability of NO due to increased oxidative stress. Chronic cigarette smoke exposure impairs neuroregula-tory control of penile erection and impairs NO bioavailability 86 . Many of the vascular effects of chronic smoking are attributed to nicotine. In rabbit cavernosal smooth muscle cells, nicotine increases superoxide formation apparently by inducing NADPH oxidase 87 .

Relevant pharmacology

Pharmacological induction of erection in impotent men can be brought about by intracavernosal injection of the potent smooth muscle-relaxing drug papaverine, or by mixtures of papaverine and the a-receptor blocker phentolamine, or by injection of prostaglandin El, which is also a powerful relaxant of the erectile smooth muscle. The use of phenoxybenzamine (another a-receptor blocker) has been largely discontinued, since although it can produce long-lasting erections, these are often painful and damaging. More recently oral ingestion of a specific phosphodiesterase-5 inhibitor (Viagra) has gained popularity by enhancing erections to psychogenic stimuli. This drug works by reducing breakdown of cGmP, the second messenger mediating the relaxant effects of NO.

Peripheral Vascular Disease

Smoking is strongly associated with other forms of cardiovascular disease, including abdominal aortic aneurysm (AAA) and peripheral vascular disease in both men and women. Smoking causes as much as half of all peripheral artery disease, and significantly increases the failure rates after lower-limb bypass surgery. The risk of AAA rises in proportion to duration and intensity of smoking and is up to sevenfold greater at 20 pack-years (US Surgeon General, 2004). The U.S. Preventive Services Task Force (USPSTF) has recommended one-time screening for AAA by ultrasonog-raphy in men age 65 to 75 who have ever smoked. Consideration should also be given for screening women over age 65 with a history of smoking (Derubertis et al., 2007), because about 40 of the annual deaths from AAA occur among women, in whom the disease is more deadly than men. Smoking is also an independent risk factor for erectile dysfunction, an additional fact that may help motivate men to stop smoking.

Oxidative Stress in Sickle Cell Disease Associated Priapism

Priapism is a very common vasculopathy of SCD. This erection disorder consists of nonwillful, excessive, and often recurrent penile erection unrelated to sexual excitement. It afflicts about 40 of men with SCD 101, 102 . Ischemic priapism, the most common form of priapism in which blood flow in the corpora cavernosa is absent, is frequently associated with irreversible penile tissue necrosis, as well as permanent and irreversible ED 102-111 .

Therapeutic Strategies to Scavenge ROS in the Penis

The effect of antioxidants on ED was evaluated in several diseased animal models. Gene transfer of SOD in aged animals was found to reduce superoxide anion formation and normalize erectile function 37 . Several antioxidants, such as SOD, vitamin E, ascorbic acid, melatonin, alpha-lipoic acid and gamma-linolenic acid, and per-oxynitrite decomposition catalyst, were found to partially or completely improve diabetic vasculopathy and autonomic neuropathy in the penis and erectile function

Therapeutic Strategies to Decrease ROS Production in the Penis

Continued research in the area of improving erectile function in disease states is pointing to the greater importance of targeting ROS formation, rather than ROS scavenging, for the development of an effective therapeutic strategy to reduce oxi-dative damage in the penis and ED. Several pharmacological agents have been suggested to inhibit ROS production and improve erectile function through mechanisms different and beyond their primary therapeutic actions, such as PDE5 inhibitors, angiotensin-converting enzyme (ACE) inhibitors and ATj receptor antagonists, statins, and BH4. This type of therapeutic strategy falls within the first line of recommended treatment of ED. This line of intervention involves preventable lifestyle modifications (such as discontinuation of cigarette smoking, exercise and weight control, Mediterranean-style diet, and a reduction in caloric intake) and treatable noninvasive pharmacologic therapies. The following sections summarize recent findings regarding...

Targeting eNOS Uncoupling

Data supporting the improvement in penile erection by targeting eNOS uncoupling in the penis are very scarce. Treatment of diabetic rabbits with folic acid was found to decrease oxidative stress in the cavernosal tissue 50 . Recent basic science findings have demonstrated that pharmacologic supplementation with sepiapterin, a BH4 precursor, prevented an increase in oxidative stress in the penis and preserved erectile function in aged rats 40 . Further studies are warranted to examine the therapeutic effect of controlling eNOS uncoupling on penile erection in disease states.

From the Sushruta Samhita ca 3000 bce

Electro Stimulation Erection Penis

Erectile dysfunction (ED) is an extremely common problem. It has been estimated that more than 30 million American men have some degree of ED and that nearly a million new cases can be expected to develop annually. Studies have shown that ED affects not only a man's physical and sexual satisfaction but also his general quality of life, with especially strong links to depression. In the Massachusetts Male Aging Study, 52 of men from 40 to 70 years of age had some degree of ED. Seventeen percent reported minimal dysfunction, 25 reported moderate dysfunction, and 10 reported complete dysfunction. This study also revealed the progressive nature of ED with increasing age. At 40 years of age, 5 of the American male population has complete ED, and at 70 years of age, 15 of the population has complete ED. Sixty-seven percent of men 70 years of age have some degree of ED. As the population continues to age, clinicians will treat more and more male patients for ED in the future. Erection is a...

Identification of Sperm Oxidative Stress from Clinical History

Male Infertility Causes Mnemonics

Oxidative stress is believed to be a major cause of erectile dysfunction, a common sexual cause of male infertility in the older man. Of some concern is the observation that as many as one in ten men aged in their 40s will also experience significant erectile dysfunction 36 . Penile erection is dependent upon vascular smooth muscle relaxation in erectile tissue and penile arteries, the principal mediator of relaxation being nitric oxide (NO). Evidence from basic scientific studies indicates that oxida-tive stress may be central to impaired cavernosal function in erectile dysfunction (ED) 37,38 . Increased inactivation ofNO by the superoxide ROS results in impaired penile NO transmission and smooth muscle relaxation. Furthermore, propagation of endothelial dysfunction by ROS may result in chronic impairment of penile vascular function, a process analogous to early atherogenesis. Furthermore, both animal models and human studies have shown that supplementation of the diet with...

Targeting Nadph Oxidase 281011 PDE5 Inhibitors

PDE5 inhibitors, e.g., sildenafil citrate, tadalafil, vardenafil hydrochloride, promote penile erection in response to sexual stimulation by inhibiting PDE5-catalyzed Several animal studies have demonstrated the beneficial effect of PDE5 inhibitors on reducing oxidative stress in the penis. Sildenafil citrate was found to decrease superoxide production in the penis of a mouse model of secondhand smoke-induced ED 91 . Sildenafil also decreases oxidative stress in rabbit penile vascular smooth muscle after exposure to several ROS-inducing agents such as nicotine 87 , TNFa 87 . combination of homocysteine and copper 129 , and vasoconstrictor thromboxane A2 mimetic 130 . This effect of sildenafil is apparently due to the inhibition of NADPH oxidase through the reduction in protein expression of its subunit p47phox 130 . Tadalafil also exerts a beneficial acute effect on the cardiovascular system by reducing serum levels of oxidative stress 131 in patients with ED. A vasorelaxant agent...

Adrenergic Receptors in the Urogenital Tract

The human penis expresses various subtypes of a-adrenergic receptors that are involved in smooth muscle contraction (85,86). Nevertheless, the a2-antago-nist yohimbine has only moderate efficacy in treating erectile dysfunction (87), and a1-adrenergic receptor antagonists have failed to demonstrate efficacy relative to placebo in clinical trials for this indication (9). P2 and P3-Adrenergic receptors have been shown to relax corpus cavernosum smooth muscle and thus are suggested as possible targets for treatment of erectile dysfunction (88).

Initial Evaluation of Sexual Problems

Figure 43-2 Circular model of female sexual response showing cycle of overlapping phases. (From Basson R, Schultz WW. Sexual sequelae of general medical disorders. Lancet 2007 369 409-424. Figure 43-2 Circular model of female sexual response showing cycle of overlapping phases. (From Basson R, Schultz WW. Sexual sequelae of general medical disorders. Lancet 2007 369 409-424.

Chronic Inflammatory Demyelinating Polyradiculoneuropathy

Sensory symptoms are usually confined to mild paresthesia or modest sensory loss. However, in those patients with chronic progressive courses, sensory symptoms may become more prominent. In addition to numbness and paresthesia, pain sometimes is reported, although this occurs in less than 20 percent of patients. Very infrequently, CIDP may present with predominate sensory symptoms, including numbness, paresthesia, and sensory ataxia. In a subset of these patients, this PNS disorder appears essentially confined to sensory fibers, prompting speculation that the apparent immune-mediated response is directed at a unique antigen in the myelin of sensory fibers. However, in most instances in which the disorder begins as a sensory neuropathy, it later evolves to a more typical pattern of sensory and motor involvement. On occasion, the cranial nerves may be affected, causing symptoms of diplopia, facial weakness or numbness, dysarthria, and dysphagia. Autonomic symptoms are uncommon, although...

Superficial Perineal Space

Perineal Membrane

(branches of the internal pudendal artery) course within the center of the corpus cavernosa, providing blood that is necessary for an erection. Ischiocavernosus muscle. The ischiocavernosus muscles are voluntary skeletal muscles that surround the crura of the penis. The ischiocavernosus muscle helps to stabilize an erect penis and compresses the crus of the penis to impede venous blood return to maintain an erection. This muscle is innervated by the perineal nerve (branch of the pudendal nerve). Bulbospongiosus muscle. Contributes to erection and ejaculation. This muscle also helps expel the final drops of urine during micturition. The bulbospongiosus muscle is innervated by the perineal nerve (branch of the pudendal nerve). Tunica albuginea. A thin layer of connective tissue that surrounds the corpora cavernosa and corpus spongiosum. The tunica albuginea is denser around the corpora cavernosa and inhibits blood return during an erection. The tunica albuginea is more elastic around...

Hyperprolactinemia and Prolactinomas

Hypersecretion of prolactin may be physiologic or pathologic in origin. Physiologic stimulators include exercise, pain, breast stimulation, sexual intercourse, general anesthesia, and pregnancy. Pathologic causes of hyperprolactinemia include prolactinomas, decreased dopaminergic inhibition of prolactin secretion through pharmacologic agents, and decreased clearance of prolactin. Early manifestation of prolactin hypersecretion is galactorrhea and menstrual irregularities, notably amenorrhea, in women and erectile dysfunction or loss of libido in men. Rarely, galactorrhea with gynecomastia can occur in men. These patients are at risk of developing osteoporosis secondary to hypogo-nadism as well as a result of the direct inhibitory effect of prolactin on bone formation. Galactorrhea is rarely found in postmenopausal women with hyperprolactinemia, in whom mass effect of prolactinomas may cause the principal

Commercial Antioxidants

Several beverages, such as pomegranate juice, red wine, blueberry juice, cranberry juice, orange juice, and green tea, have been touted to have roles in improving erectile function in disease states via their ROS scavenging capacities. In animal models of arteriogenic ED, pomegranate juice decreased oxidative stress and improved, although it did not normalize, erectile function 171, 172 . This beneficial effect of pomegranate juice may be due to its main active ingredients such as polyphenol antioxidants. The other natural polyphenol, resveratrol, found mostly in grapes and red wine, restores penile function in animal models of hypercholesterolemia 173 - and diabetes 174 -induced ED. Cardiovascular protective effects of resvera-trol have been attributed to activation of eNOS and the improvement of endothelial function 175 . However, the exact role and mechanism of action of these commercial antioxidants on oxidative stress in the penis and erectile function await further basic science...

Dealing With Impotence Naturally

Dealing With Impotence Naturally

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