Alternative Cures for Kidney Disease

Kidney Function Restoration Program

The All Natural Kidney Health & Kidney Function Restoration Program is a compilation of the best and most effective natural treatments for kidney disease from around the world. The system is meant to complement your usual medication and not to replace it. This easy to understand kidney disease program can help you make better-informed decisions about what is the right thing to do to support your kidney and return it to its former healthy state. The techniques shared in this program will help cure and retain your kidney back to its natural wellness. You may even be able to postpone or entirely avoid dialysis or a kidney transplant forever. The All Natural Kidney Health and Kidney Function Restoration Program contain zero filler and is fully backed by modern-day scientific research. Everything contained in this program is safe, natural, and with good safety profiles, proven case studies and doctor recommended. Many of the products including the diet, herbs, and supplements have been used safely in other countries for many years and in several hospitals in the United States. More here...

Kidney Function Restoration Program Summary


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My Kidney Function Restoration Program Review

Highly Recommended

The author has done a thorough research even about the obscure and minor details related to the subject area. And also facts weren’t just dumped, but presented in an interesting manner.

When compared to other e-books and paper publications I have read, I consider this to be the bible for this topic. Get this and you will never regret the decision.

Relationship of Chronic Kidney Disease and ESRD with Clinical Outcomes

Kaplan-Meier event-free survival for major adverse cardiovascular events, including repeat revascularization, in patients with chronic kidney disease including end-stage renal disease (Renal) versus matched control patients undergoing percutaneous coronary intervention. (From Rubenstein MH, Harrell LC, Sheynberg BV, et al Are patients with renal failure good candidates for percutaneous coronary revascularization in the new device era Circulation 2000 102 2966.) Patients with CKD often have existing comorbidities that may complicate their procedure and postproce-dure management. As always, developing a systematic approach that incorporates the patient's history, physical examination, and laboratory studies is critical. As described earlier, the clinician needs to pay particular attention to accurate assessment of the degree of CKD at baseline, as well as several clinical risk factors that have been consistently associated with poor outcomes in patients with CKD (e.g.,...

Kidney Disease Urinary Disease and Diseases of the Reproductive Organs

Clinically, the main symptom of nephropathy is swelling thus, the water-swelling diseases of the ancient texts probably included symptoms due to disorders of the cardiovascular system as well as kidney diseases. Kidney disease might be found in the ancient texts under the headings of swelling, water disease, or water- cancer disease (ascites). Water-swelling diseases associated with irregular pulse probably indicated disorders due to heart disease, rather than kidney disorders. The section on water-swelling disease in the Hyangyak chipsong pang lists ten different forms.

Indications for Dialysis

Planning for dialysis should begin when GFR falls less than 30 mL min 1.73 m2 (stage 4 CKD),1 when progression to ESKD is inevitable, to allow time to educate the patient and family on the treatment modalities and establish the appropriate access for the modality of choice. Ideally, initiation of dialysis should be done at a point when the patient is ready to undergo treatment, rather than when the patient is in emergent need of dialysis. Initiation of dialysis is dependent on the patient's clinical status. Symptoms that may indicate the need for dialysis include persistent anorexia, nausea, vomiting, fatigue, and pruritus. Other criteria that indicate the need for dialysis include declining nutritional status, declining serum albumin levels, uncontrolled hypertension, and volume overload, which may manifest as chronic heart failure, and electrolyte abnormalities, particularly hyperkalemia. Blood urea nitrogen (BUN) and SCr levels may be used as a guide for the initiation of dialysis,...

The location and number of renal cysts

Location and Number of Renal Cysts The location of the renal cyst(s) is perhaps the most important factor in determining the surgical approach. The transperitoneal approach is best utilized for management of simple renal cysts located along the anterior surface of the kidney and peripelvic cysts. A mechanical bowel preparation is recommended prior to cyst ablation in patients with autosomal dominant polycystic kidney disease to help decompress the bowels and optimize the already limited working space secondary to the large kidneys. Cysts located along the posterolateral surface of the kidney can be managed by the transperitoneal approach, but may be more efficiently approached by retroperitoneal access. For patients with multiple renal cysts (e.g., autosomal dominant polycystic kidney disease), exposure of the entire renal surface may be necessary and therefore the transperitoneal approach is preferred. In patients with a history of prior abdominal surgery, dense, complex adhesions...

Peripelvic Renal Cysts

The results of laparoscopic management of peripelvic cysts are somewhat lower than that reported with simple peripheral renal cysts (Table 5). Roberts et al. reported on 11 patients with peripelvic cysts and found that operative time (233 minutes vs. 164 minutes, p 0.003) and blood loss (182 mL vs. 98 mL, p 0.04) were statistically greater than a concurrent group of 21 patients with peripheral renal cysts (10). There were no transfusions, open conversions, or radiographic recurrences in this series. TABLE5 Results of Laparoscopic Ablation of Symptomatic Peripelvic Renal Cysts TABLE5 Results of Laparoscopic Ablation of Symptomatic Peripelvic Renal Cysts TABLE 6 Results of Laparoscopic Ablation of Symptomatic Autosomal Dominant Polycystic Kidney Disease TABLE 6 Results of Laparoscopic Ablation of Symptomatic Autosomal Dominant Polycystic Kidney Disease

Chronic Peritoneal Dialysis Catheter

Chronic peritoneal dialysis catheter are designed to be used on a long-term basis, are made from biocompatible material such as silicone or polyurethane, and usually contain numerous 1-mm diameter side holes however, at least one type of chronic peritoneal catheter that has linear grooves or slots rather than side holes is available on the market. All of the chronic peritoneal dialysis catheters have one or two extraperitoneal Dacron cuffs that promote local inflammatory response and cause a fibrous plug to fix the catheter in position, which prevents fluid leakage and inhibits organism migration from outside the peritoneal cavity. There are four common types of peritoneal dialysis catheters The cuff of continuous ambulatory peritoneal dialysis catheters also has many designs single cuff, double cuffs, and disc-bell deep cuffs. The material used to manufacture chronic peritoneal catheters are soft, such as silicone rubber or polyurethane. The polyurethane catheters form a weak bond...

Glomerulonephritis Brights Disease

Glomerulonephritis, an immunologic disease of the kidneys, affects the glomerulus, a cluster of capillaries that is the filter in the functioning unit of the kidney, the nephron. Inflammation, initiated by immune complexes, injures the glomerulus. Often the disease is acute, but it may be completely undetected until signs of kidney failure appear. This silent disease may prove fatal.

Arteriovenous Dialysis Studies

An initial study at Emory University in 1994 to treat patients who had failed PTA of arteriovenous dialysis grafts using the MicroSelectron HDR afterloader reported 40 patency rate at 44 weeks,55 but the long-term results of this study were similar to standalone PTA without irradiation. Similar disappointing results were reported by Parikh and colleagues56 from a pilot study using external radiation doses of 12 and 18 Gy for AV dialysis shunts in 10 patients. At 6 months, target lesion revascularization (TLR) was 40 , but at 18 months, all grafts failed and required intervention. Cohen and associates57 randomized 31

Postoperative Renal Failure

Surgery which involves large blood loss, in surgery following trauma and in most septic patients, avoidance of renal failure involves close monitoring of the cardiovascular state, including CVP and urinary output, avoidance of hypoxaemia and hypotension, and adequate fluid and blood replacement. In many instances, e.g. in patients with pre-existing renal dysfunction, shock, sepsis or liver disease, a pulmonary artery catheter is required to optimize cardiac output and oxygen delivery, and to guide vasoactive drug therapy. Low-dose (2-5 pg kg l min l) dopamine is frequently recommended to prevent renal failure in such situations, but its efficacy is unproven and its use may confuse the situation by inducing diuresis through stimulation of dopaminergic receptors in the renal tubules. The only proven therapy in the prevention and early treatment of acute renal failure is adequate fluid resuscitation titrated against CVP or PAOP, and maintenance of an adequate cardiac output and mean...

Cerebral Microdialysis

One of the available cerebral perfusion techniques, cerebral microdialysis (CM), can be used to perform an in vivo study of the brain neurochemical processes. In this system a very thin dialysis tube (less than 0.3 mm external diameter) is inserted under stereotactic guidance into the region of interest this allows the passive transfer of substances flowing inside the capillary under the concentration gradient between the perfusion liquid and the extracellular liquid. The liquid collected by the probe electrode is subjected to standard chemical analysis, such as high-pressure liquid chromatography (HPLC), in order to assay the transmitter substances of specific interest.

Chronic Kidney Disease

Renal disease is a significant public health burden, with almost 20 million persons in the United States having chronic kidney disease (Coresh et al., 2003). In 2002 the National Kidney Foundation issued guidelines on the evaluation and management of CKD. The centerpiece of this new approach is defining CKD as kidney damage or decreased kidney function for 3 months or longer (Levey et al., 2003). Proteinuria is a clinical sign of kidney disease. Patients with proteinuria should be approached as described earlier. Patients with abnormal urinary protein values (e.g., UPr UCr) or other markers of kidney damage should be assessed for CKD (Johnson et al., 2004). The primary measure of kidney function is the glomerular filtration rate (GFR), and the stages of CKD are based on GFR (calculated by Cockcroft-Gault or MDRD equation) (Table 40-5). The modification of diet in renal disease (MDRD) equation performs as well or better than measured creatinine clearance (Levey et al., 1999). However,...

Anemia of endstage renal failure

The anemia of end-stage renal failure has multiple contributory factors including EPO deficiency, toxic inhibitors of EPO action, androgen deficiency, micronutrient deficiency (iron, folate, pyridoxine), blood loss and hemolysis (Neff et al. 1985). The effect of androgen therapy on hemoglobin involves both increased circulating EPO concentration (Buchwald etal. 1977) and augmentation of EPO action (Ballal etal. 1991). EPO deficiency is a major factor (Winearls 1995) and androgen therapy probably acts mainly by increasing EPO, since androgen therapy has no effect on hemoglobin after bilateral nephrectomy (von Hartitzsch and Kerr 1976) when the major source of endogenous EPO is removed. Androgen therapy has consistent effects on EPO secretion and hemoglobin concentrations (Navarro and Mora 2001), although circulating EPO is not consistently related to resultant increases in hemoglobin (Teruel et al. 1995). Endogenous testosterone is an important physiological determinant of red cell...

Burying The Peritoneal Dialysis Catheter

Traditional surgical implantation of Tenckhoff catheters involves immediate exteri-orization of the external segment through the skin, so that the catheter can be used for supportive peritoneal dialysis or for intermittent infusions during the break-in period. To prevent blockage and to confirm function, the catheter is flushed weekly with saline or dialysate each exchange carries the same risk of peritonitis as in continuous ambulatory peritoneal dialysis therapy to avoid bacterial contamination of the exit site. The catheter must also be bandaged and the skin exit site must be kept clean in the weeks after placement. The patient must, therefore, be trained in some techniques of catheter care. It has always been difficult to decide when to place a peritoneal dialysis catheter in a patient with chronic renal insufficiency. If the catheter is placed too early, the patient may spend weeks to months caring for a catheter that is not used for dialysis. If the catheter is placed after the...

Autosomal Dominant Polycystic Kidney Disease

Autosomal dominant polycystic kidney disease, an inherited form of polycystic disease with nearly 100 penetrance, ultimately leads to renal failure requiring dialysis. The identified genes for polycystic kidney disease (PKD1) reside on the short arm of chromosome 16, which accounts for 85 to 90 of cases (17), and for PKD2 on chromosome 4, which accounts for 5 to 10 of cases (18). Patients also have increased incidence of intracranial hemorrhages and hepatic and pancreatic cysts. Patients may develop hypertension, back and flank pain, infection, intracystic hemorrhage, and malignancy. Laparoscopic cyst decortication has been shown to improve pain and hypertension with no compromise of renal function (19). Simple nephrectomy may provide dramatic relief to symptomatic patients with preexisting end-stage renal disease. These patients generally have giant kidneys, which add unique challenges to the minimally invasive surgeon. Outcomes in 11 such patients undergoing laparoscopic nephrectomy...

Contraindications To Peritoneal Dialysis Catheter Placement

There are relatively few contraindications to the placement of peritoneal dialysis catheters. The most important consideration is whether or not the abdominal cavity has previously been violated. Previous pelvic surgery that may lead to adhesions, colostomy, ileostomy, or urinary diversion would be a relative contraindication. Absolute contraindications include aortic vascular graft within three months, presence of ventriculoperitoneal shunt, ascites, and peritonitis. Previous retroperitoneal extraperitoneal surgical procedures such as hysterectomy, caesarean section, and nephrectomy (retroperitoneally) are not considered contraindications.

The Indication For Dialysis

There are two modalities of dialysis hemodialysis and peritoneal dialysis. The indication for dialysis includes end-stage renal disease, acute renal failure, drug and chemical poisoning, acute hyperkalemia, metabolic disorder, and volume overload from congestive heart failure or lung diseases. In the case of renal failure, dialysis therapy is initiated when approximately 90 of normal renal function has been lost. The absolute contraindications for all forms of dialysis are irreversible dementia or coma, hepatorenal syndrome, and advance malignancy. Both forms of dialysis are effective with proper patient selection. hemodialysis has the advantage of rapid clearance. It is useful in hyperkalemia, volume overload, and drug overdose. Continuous ambulatory peritoneal dialysis has been utilized during the last five years with increasing frequency in the treatment of patients with chronic renal failure. Peritoneal dialysis is preferred in patients who cannot tolerate the hypotensive state or...

Peritoneal Dialysis Catheter Removal

Peritoneal dialysis catheter removal can also be safely performed without significant discomfort under local anesthesia. Here too, an operating room is not needed because the procedure can be performed in a procedure room using standard precautions for infection control. Briefly, the local anesthetic is infiltrated at the site of the primary incision and the subcutaneous tissue. Dissection is then carried down to the subcutaneous tissue and the subcutaneous tunnel harboring the catheter is identified. Using blunt dissection, a portion of the tunnel is separated from the surrounding tissue. The tunnel is then lifted by applying a hemostat under it. Using toothed forceps and Metzenbaum scissors, the tunnel layers are cut in a longitudinal direction and the catheter is exposed (Fig. 7). The catheter is clamped with hemostats and a nylon suture is applied through the catheter just outside the hemostats as a tag. At this point, the catheter is cut just outside the hemostat (remaining...

Technical Modifications for the Management of Complex Renal Cysts

The laparoscopic approach to ablating simple renal cysts is relatively straightforward however for complex renal cystic lesions, there are technical modifications worthy of mention. Peripelvic Renal Cysts The branches of the renal vasculature and collecting system are often distorted and splayed by the peripelvic cysts, making them difficult to identify and differentiate from the cyst itself. Prior attempts at percutaneous drainage can also result in inflammation and scarring, making the tissue planes between the peripelvic cyst and hilar structures even less distinct. Placement of a ureteral catheter with retrograde injection of indigo carmine-or methylene blue-stained saline is useful in identifying the course of the splayed collecting system and for identification of collecting system injuries. Precise identification of renal vascular braches can be aided by the use of laparoscopic ultrasound with Doppler if available. Unlike with simple peripheral renal cysts, excision of the...

Diabetic Nephropathy Diabetic Glomerulopathy Renal Interstitial Syndromes

Before the DCCT, a patient with type 1 diabetes had a 30 to 40 likelihood of developing macroproteinuria ( 300 mg day), which would quickly progress to renal insufficiency and the need for renal dialysis. This process begins with pro-teinuria and increasing BP as early as 10-15 years after diagnosis of type 1 diabetes. In the early 1970s, when repeated studies showed that lowering of BP reduced cardiovascular events, diabetologists began to observe that good BP control, including use of diuretics, prolonged the interval from the onset of proteinuria to renal failure. The first studies of the angiotension-converting enzyme (ACE) inhibitor capto-pril suggested that treatment reduced macroproteinuria in patients with moderate renal insufficiency. Subsequent work in the 1990s indicated that reduced proteinuria impaired nephron loss and preserved renal function. The protein leak into the glomerular space may contribute to the mesangial proliferative reaction, starting a process that may...

Complications Of Laparoscopic Placement Of Chronic Peritoneal Dialysis Catheter

Continuous ambulatory peritoneal dialysis is now an established technique for renal dialysis. In chronic peritoneal dialysis, operative laparoscopy is minimally invasive and is associated with the low morbidity and rapid return to normal activity. Reported series have shown feasibility and safety of the laparoscopic technique, which is also more effective than the open procedure or blind technique (61,70-72) however, the laparoscopic placement of the chronic peritoneal dialysis catheter can still have complications, both acute and chronic.

Acute Renal Failure

Despite the well-documented oliguria associated with laparoscopy, acute renal failure following laparoscopy, in the absence of another obvious etiology, is rare. However, in one 67-year-old man with chronic renal insufficiency, renal tubular acidosis, and hypertension, renal failure lasted for two weeks following laparoscopy (175). The effect of laparoscopy on kidney function is transient, with renal indices returning almost to baseline within two hours of the release of pneumoperitoneum (68). This has been shown to be the case even in a high-risk renal insufficiency model (176). The adverse effects of nephrotoxic agents such as aminoglycosides are not worsened by laparoscopy (177). If acute renal failure does occur after laparoscopy, other etiologies should be evaluated before ascribing this adverse event to the pneumoperitoneum.

Simple Renal Cysts

As listed in Table 4, numerous series of laparoscopic ablation of symptomatic simple renal cysts can be found in the literature performed via both the transperitoneal and the retroperitoneal route (9-16,22,27,28). Most series, however, are limited due to a small number of patients with short follow-up. In those series with 10 or more patients, the mean operative time was 111 minutes (range, 75-164 minutes) and mean length of hospital stay was 3 days (range, 1.9-5.4) (9,10,12,14-16). A complication rate of 0 to 20 and a 0 mortality rate in these series compares favorably with a historical series of open renal cyst ablation reporting a complication rate of 37 and mortality rate of 1.6 (4). In a multi-institutional review of 139 laparoscopic renal cyst ablation cases, Fahlenkamp et al. found a total complication rate of 3.5 (28). Postoperative pain following laparoscopic renal cyst ablation is low with Rubenstein et al. finding that 67 of patients required no parenteral narcotics and 89...

Renal Cysts

Simple renal cysts are common in the older adult population and should not disqualify a donor. Complex cysts should be approached with caution, because some of these may, in fact, harbor a malignancy. Simple renal cysts are common in the older adult population and should not disqualify a donor. Complex cysts should be approached with caution, because some of these may, in fact, harbor a malignancy. With the fine-cut computed tomography scans currently in use, many patients are now being diagnosed with too small to characterize lesions. These are likely to represent simple cysts and should not disqualify the donor. In general, we advocate removing the kidney with the renal cyst. However, we tend to remove the left kidney if the cyst is a too small to characterize lesion on the right kidney. Patients with simple small bilateral cysts are not disqualified and the kidney with the largest cyst is chosen.

Kidney Failure

Acute renal failure (ARF) as complication of the systemic inflammatory response is a clinical entity characterized by an abrupt decline in the glomerular filtration rate (GFR), resulting in oliguria and azotemia, all of which have been detected in the CLP-induced MODS rats, but not in those with blockade of C5a (19) (Figure 3C). Though the presence of C5aR has been described on human glomerular mesangial cells and more recently on renal tubular cells, the linkage between C5a and development of ARF during MODS is obscure. There are suggestions that infusion of C5a leads to a significant fall in renal blood flow by increasing the vascular resistance in the afferent and efferent arterioles (50). Proteinuria was observed in CLP-induced MODS, reflective of the presence in urine of proteins larger than the glomerular filtration barrier of 60 kDa. In CLP rats there were morphological changes in podocytes, including fusion of their foot processes and flattening of their cell surfaces, and...

Renal Cyst Surgery

Although percutaneous aspiration of renal cyst is diagnostic and may be therapeutic, unfortunately cysts typically recur. Laparoscopic decortication of the rare renal cyst that is symptomatically an effective minimally invasive alternative to percutaneous aspiration or open surgery. Laparoscopic ultrasonography may be helpful for laparoscopic localization and drainage of difficult renal cysts (36-39). Brown et al. employed laparoscopic ultrasonography in 21 patients with symptomatic renal cysts, allowing intraoperative identification of previously undetectable renal cysts (37). Elashry et al. reported their experience in two patients who underwent five laparoscopic ultrasonography-guided cyst marsupializations, suggesting that 10 MHz Color Doppler imaging contributed to discrimination of peripelvic cyst anatomic vasculature, permitting safe decortication of cysts adjacent to hilar vessels (38). This technique may also be helpful in patients with polycystic kidneys. Lee et al., in...


During hemodialysis, there may be an initial lowering of the plasma drug concentration, followed by a rebound after dialysis. Most psychotropic medications are highly protein bound and not significantly cleared by dialysis. In contrast, lithium, gabapentin, and topiramate are completely removed by dialysis, with the common practice being to administer these medications after dialysis (Levy 1990). Drugs with a narrow therapeutic index should be avoided wherever possible in dialysis patients. In addition, patients on dialysis often have significant fluid shifts and are at risk of dehydration, with neuroleptic malignant syndrome being more likely in these situations (Kunishima et al. 2000). Another common issue is that of orthostatic hypotension that occurs particularly following dialysis.

Diabetic Nephropathy

Renal failure is a major independent predictor of cardiovascular events. Diabetes is the leading cause of renal failure in Western countries. In 2002 in the United States, diabetic nephropathy accounted for more than 40 of the new cases of renal failure, and 44,000 diabetic patients began treatment for endstage renal disease.2 The condition underlying diabetic nephropathy is microvascular disease. Even in the absence of renal failure, albuminuria is a frequent finding in diabetes. Any degree of albuminuria has been found to be a risk factor for CV events, regardless of the presence or absence of diabetes.137 In addition, diabetic nephropathy with or without renal failure is a key determinant of risk after both PCI and CABG. A single-center analysis involving 1575 diabetic patients undergoing PCI showed that patients with renal failure had significantly more in-hospital complications than those with normal renal function, including mortality (2.6 versus 0.5 , respectively), neurologic...

Renal Failure

ARF or CRF. 150 The fact that dialysis can rapidly clear UE suggests that the responsible molecules causing UE are water soluble and small to moderate in size. However, Cooper and associates studied the brains of 10 patients who had died of uremia and noted the brain content to be normal for K, Cl, and Mg slightly decreased for Na and approximately doubled for Ca. In experimental uremia, increased brain Ca levels have been associated with an increase in the PTH level. y In addition, the increase coincided with the onset of EEG abnormalities, with both appearing about 2 days after onset of the RF. In a study of 20 dialysis patients with EEG slowing, a direct correlation was noted between the plasma concentration of the N-terminal fragment of PTH and the degree of EEG slowing. y , yj Administration of PTH to normal dogs produces EEG changes similar to those seen in uremic animals. The EEG abnormalities, as well as the increased brain Ca, can be prevented by performing a...

TABLE 227 Sources of Na Loss

Kidney disease or external influences on renal function Renal diseases CKD, nonoliguric AKI, the diuretic phase of AKI, and salt wasting nephropathy. Salt wasting nephropathy occurs with interstitial nephritis, medullary cystic or polycystic kidney disease, and postobstruction. Patients with salt wasting nephropathy have reduced GFR (Stage 3-5 CKD) Abbreviations GI, gastrointestinal CKD, chronic kidney disease

Multifactorial Intervention

The Steno-2 study compared the efficacy of a targeted, intensified, multifactorial intervention with that of conventional treatment on modifiable risk factors for CV disease in 160 patients with diabetes and microalbuminuria.140 The primary end point was a composite of CV death, nonfatal MI, stroke, revas-cularization, and amputation. Intensive treatment was characterized by a stepwise implementation of behavior modification and pharmacologic therapy that targeted hyperglycemia, hypertension, dyslipid-emia, and microalbuminuria, along with secondary CV prevention with aspirin. Conventional treatment was in accordance with national guidelines. After a mean follow-up of 8 years, patients receiving intensive therapy had a significantly lower risk of CVD (HR 0.47), nephropathy (HR 0.39), retinopathy (HR 0.42), and autonomic neuropathy (HR 0.37). The authors concluded that a target-driven, long-term, intensified intervention aimed at multiple risk

Clinical Examples Of The Anatomic Paradigm In Practice

Dard therapy that render trials outdated . The results of a randomized trial do not necessarily apply to populations that were systematically excluded from that trial. Because most trials, especially procedural trials, exclude patients with complex and high-risk conditions, their results provide the most guidance for the simplest decisions. Almost all CABG trials have systematically excluded patients within 7 to 30 days of an acute MI, patients with LVEF less than .35, hemodynamically unstable patients, patients with anatomy deemed unfavorable for CABG (no anatomic contraindication is harder to define than diffuse disease ), patients older than 70 years of age, patients with one or more prior heart surgeries, and patients with severe comorbidities, including but not limited to chronic obstructive pulmonary disease, pulmonary hypertension, prior stroke, cancer, severe liver disease, and severe renal failure.

Clinical applications of ACE inhibition

ACE inhibitors are established in the treatment of hypertension they decrease morbidity and mortality in congestive cardiac failure, and improve left ventricular dysfunction after myocardial infarction. They delay the progression of diabetic nephropathy and have a protective effect in non-diabetic chronic renal failure, although they are associated with proteinuria in approximately 1 of patients. ACE inhibitors improve vascular endothelial function by their effects on A-II and bradykinin the clinical importance of this in patients with vascular disease is unknown. the elderly or those receiving NSAIDs, and renal function should be checked before starting ACE inhibitor therapy, and monitored subsequently. Hyperkalaemia (plasma K+ concentration usually increases by 0.1-0.2 mmol L 1 because of decreased aldosterone concentrations) may be more marked in those with impaired renal function or in patients taking potassium supplements or potassium-sparing diuretics. The mechanism of cough is...

Pathophysiology Of Renal Dysfunction

The most common reason for renal dysfunction after cardiac catheterization and PCI is related to the use of intravascular contrast agents. Despite their widespread use in imaging studies, the exact mechanisms responsible for the development of contrast-related nephropathy remain unknown.1 Most studies suggest that both direct toxic injury to the renal tubules and ischemic injury to the renal medulla from vasomotor changes and decreased perfusion are responsible. The latter appears to be mediated partly by the development of reactive oxygen species such as superoxide and has important implications for treatment with scavenging agents.2 Diabetes mellitus and heart failure also may exacerbate contrast-related nephropathy, specifically through impairment of vasodilatory responses in the renal vasculature.3 Finally, additional factors may exacerbate the development of renal dysfunction after cardiac cath-eterization and PCI. Many medications may directly contribute to renal toxicity or...

Minimizing The Risk Of Renal Dysfunction

Normal saline infusions at a rate of 1 mL kg hour for 6 to 12 hours before the procedure and continuing after the procedure.53 Data from a large trial suggested that the substitution of isotonic saline for 0.45 normal saline may modestly reduce the incidence of contrast-related nephropathy, particularly among patients with diabetes mellitus and those receiving large doses of contrast agents.54 In a small clinical trial of 36 patients with serum creatinine levels at baseline equal to or greater than 1.4 mg dL, it was demonstrated that 1 L orally followed by 6 hours of intravenous hydration starting at the time of contrast agent exposure was equivalent to prepro-cedural intravenous hydration.55 This approach may be more realistic for outpatients who come in the day of their procedure. Recently, there has been great interest in the use of sodium bicarbonate infusions to hydrate patients with CKD during the periprocedural period. Sodium bicarbonate may relieve oxidative stress, which is a...

Risks of Preoperative PCI

Decision analyses have suggested that coronary angi-ography and intervention before vascular surgery should be carried out only if the risk of the vascular surgery is relatively high ( 5 mortality risk) and the anticipated risk of angiography and revascular-ization is relatively low (

High Blood Pressure Hypertension

High blood pressure (hypertension) is dangerous. If blood pressure is high, the heart has to work harder to pump the same amount of blood, which puts a great stress on the cardiovascular system. Patients with high blood pressure are more prone to heart attacks, heart failure, kidney failure, and strokes. Fortunately, blood pressure can be controlled with appropriate medications and lifestyle modifications, greatly reducing the risk of complications.

Neurodynamic Aspects Of Consciousness

Hebb's visionary notion in 1949 of reverberating cell assemblies was an important beginning point for a neurodynamic emphasis. Neurodynamics is thus a relatively new discipline, addressing how brain activation changes over time. The neurodynamic perspective is complementary to traditional perspectives that emphasize structures, connectivities, and neuromodulators in that it seeks to understand the time-dependent changes that occur in neuronal populations (neural network models, by comparison, do not reference time). The behavior of these time-sensitive populations are typically measured by EEG, single unit recordings (inso far as these indirectly imply population behaviors), or magnetoencephalography (MEG) and also in dynamic neurochemical measures, such as in vivo dialysis. Neurodynamics attempts to correlate these signatures from various measurement modalities with behavioral and subjective measurements, focusing on the challenge of modeling context-dependent and sequential...

Genetics In Tuberous Sclerosis Complex

A wide variety of mutations of this gene have been reported these are deletion, rearrangement, or missense mutation and mutations leading to premature truncation of proteins. The TSC2 gene is located very close to PKD1 (polycystic kidney disease) gene. In a few patients with TSC associated with infantile polycystic kidney disease, a contiguous genetic deletion affecting both TSC2 and PKD1 genes has been demonstrated.13 The TSC2 gene has a 5.5 kb transcript that encodes a protein, called tuberin, that contains 1807 amino acids and has a molecular weight of 200 kDa.18 Fifty-eight amino acids near its C terminal show homology to part of guanosine 5'-triphosphate (GTP)-ase activating protein (GAP).18

Enhanced elimination techniques

Extracorporeal techniques Haemoperfusion, haemofiltration, and haemodialysis may be useful for eliminating a small number of substances. These techniques require specialized equipment and are usually only available on critical care units (haemofiltration) or renal units (haemoperfusion and dialysis). Filtration and dialysis may also be used to support failing kidneys.

Clinical Evidence for Bivalirudin

(0.75 mg kg and 1.75 mg kg hr IV) and provisional abciximab or eptifibatide versus the planned use of these GP IIb IIIa inhibitors and heparin (65 mg kg IV), conducted in a double-blind, double-dummy manner.47 The commonly used triple ischemic end point of death, MI or urgent revascularization by 30 days was assessed with a noninferiority design. The major exclusions to this study were patients presenting with STEMI undergoing PCI for reperfusion, patients at significant risk for bleeding, or those requiring dialysis. As a result, approximately 50 of patients underwent PCI for an ACS, multivessel intervention was undertaken in about 15 of cases, and saphenous vein graft intervention occurred in 6 of patients. Provisional use of a GP IIb IIIa inhibitor was permitted for coronary dissection, thrombus formation, unplanned stenting, slow flow, distal embolization, and ongoing clinical instability in the bivalirudin arm, whereas provisional placebo was used in the arm of patients already...

Un nouveau debut A New Beginning

Julia Child passed away a few days shy of her 92nd birthday, due to complications of kidney failure. In the year before her death she endured knee surgeries, kidney failure, and suffered a stroke. She opted not to receive treatment when her doctor informed her of an infection that would require hospitalization, remaining the conductor of her own symphony to the last.

Blood Urea Nitrogen and Creatinine

Creatinine is a product of muscle metabolism, and production is related to muscle mass, age, gender, and race, and dietary meat intake. Creatinine is filtered by the glomerulus and secreted by the proximal tubule. Creatinine levels increase as renal function is reduced. At normal renal function, most of the urinary creatinine excretion is from glomerular filtration, with about 5 to 10 from tubular secretion. As the glomerular filtration rate (GFR) declines, a larger proportion of creatinine excretion comes from secretion therefore, direct measurements of creatinine clearance overestimate GFR with progressive reductions in renal function. Some drugs, including cimetidine, trimethoprim, fenofibrate, salicylates, and pyrimethamine, can block the secretion of creatinine and falsely elevate creatinine levels, particularly in the setting of a low GFR. Although serum creatinine has long been used to estimate renal function, current guidelines from the National Kidney Foundation recommend...

Cobalamin Vitamin B12 and Folic Acid Deficiency

The hematologic picture is identical for both folate and vitamin B12 deficiency. Megaloblasts are enlarged blastic cells (precursors to the erythroid and myeloid cell lines) found in the bone marrow and caused by aberrant DNA synthesis. The peripheral blood smear typically shows the presence of oval macrocytes, hypersegmented neutrophils ( 5 neutrophils with 5 lobes or any neutrophil with 6 lobes). Anisocytosis (size variation) and poikilocytosis (shape variation) of the red blood cells (RBCs) are often present, so the RBC distribution width (RDW) is increased. The reticulocyte count is usually decreased. Thrombocytopenia is present in 12 and leukope-nia in 9 of cases occasionally, B12 or folate deficiency will present with pancytopenia. Coexisting disease such as iron deficiency, inflammatory process, renal failure, or thalassemia trait also may normalize the mean corpuscular volume (MCV) value in the patient with vitamin B12 or folate deficiency.

Why Are the Elderly Susceptible to These Mental Status Changes

The answer is not known with certainty, but there are several likely reasons. Age-related decline in liver and kidney function results in a decreased ability to metabolize and eliminate drugs, which results in significantly slower elimination and clearance of these drugs from the bloodstream with increased effects and side effects. The

Risk of Anesthesia and Surgery and the Importance of Location

The location where you have your surgery does matter. The facility where surgery is performed is extremely important when it comes to high-risk patients and complex or highly specialized surgery. Mortality and complication rates have been shown to vary widely from institution to institution on such major cases as cardiac surgery and major vascular surgery.8 The evidence suggests that mortality rates for certain complex surgical procedures (e.g., open-heart surgery, major vascular surgery, and total hip replacements) are significantly reduced when the number of cases being performed exceeds a certain minimum number of cases.9 The same principle holds true for other invasive and complex surgeries. For example, if you are having a liver transplant or a kidney transplant, it may be worth the extra distance to go to the surgeon and a facility that does this procedure on a regular basis in large numbers.

End Stage Renal Disease

Chronic kidney disease differs from other physical illnesses in that patients are extremely dependent on artificial means for survival and need to adhere to complex treatment protocols that require significant time demands, lifestyle adjustments, and behavior changes for the child and family. In this context, chronic kidney disease stands out among physical illnesses, with psychosocial factors having an especially strong influence on adherence and medical outcomes, including mortality and psychological distress (Christensen and Ehlers 2002). Evidence suggests that pediatric patients have higher rates of psychiatric disorder and psychosocial adjustment difficulties (Fukunushi and Kudo 1995 Simoni et al. 1997). The evidence further suggests that increased mental health burdens and family distress are experienced by the caregivers of children with chronic kidney disease (Brownbridge and Fielding 1994).

Angiotensin Receptor Blockers in Heart Failure

Primary end points in the Irbesartan Diabetic Nephropathy Trial (IDNT) (A) and Reduction of Endpoints in NIDDM with the Angiotensin II Antagonist Losartan (RENAAL) study (B). (A, from Lewis EJ, Hunsicker LG, Clarke WR, et al Renoprotective effect of the angiotensin-receptor antagonist irbesartan in patients with nephropathy due to type 2 diabetes. N Engl J Med 2001 345 851-860 B, from Brenner BM, Cooper ME, de Zeeuw D, et al Effects of losartan on renal and cardiovascular outcomes in patients with type 2 diabetes and nephropathy. N Engl J Med 2001 345 861-869.) Figure 12-4. Major clinical outcome trials using angiotension-converting enzyme (ACE) inhibitors. CAD, coronary artery disease CVA, cerebrovascular accident DM, diabetes mellitus HBP, high blood pressure HF, heart failure MI, myocardial infarction. (Data from Lewis EJ, Hunsicker, LG, Clarke WR, et al, for the Collaborative Study Group Renoprotective effect of the angiotensin-receptor antagonist irbesartan in...

Clinical Presentation And Diagnosis

Creatic enzymes can cause cardiovascular shock. Acute renal failure may result from hypovolemia.8 Patients at greatest risk for mortality from acute pancreatitis are those who have multiorgan failure (e.g., hypotension, respiratory failure, or renal failure), pancreatic necrosis, obesity, volume depletion, above 70 years of age, and an elevated Acute Physiology, Age, and Chronic Health Evaluation (APACHE) II score.9-10

Antiatherosclerotic and Vascular Injury

Rary therapy with the addition of either placebo or the ACE inhibitor trandolapril.100 Neither the primary outcome of cardiovascular death, nonfatal MI, or coronary revascularization procedure or the major secondary end point of cardiovascular death or nonfatal MI was reduced in the ACE inhibitor group (see Fig. 12-9C). As the most contemporary of the three trials, PEACE had the lowest comorbidity as manifested by lower baseline blood pressure, cholesterol, and prevalence of diabetes. These important demographic features were translated into a better prognosis, because the clinical event rates in the placebo group of PEACE were lower than observed in even the ACE inhibitor arms of HOPE or EUROPA. Although appropriate questions have been raised regarding this apparent discrepancy of results, including the lower-risk population and the specific ACE inhibitor tested, other secondary end points, such as development of congestive heart failure and incidence of new diabetes, were reduced in...

Magnetic Resonance Imaging

Enhancement of a renal lesion following the administration of gadolinium suggests the likelihood of a solid neoplasm, whereas a simple renal cyst does not enhance and appears homogeneous with low signal on T1-weighted images and high signal on T2-weighted images (Fig. 3). TABLE 1 Bosniak Criteria for Classification of Renal Cysts Based on Computed Tomographic Findings TABLE 1 Bosniak Criteria for Classification of Renal Cysts Based on Computed Tomographic Findings FIGURE 3 T2-weighted magnetic resonance image of a patient with autosomal dominant polycystic kidney disease. Note The cysts appear homogeneous and bright, consistent with fluid density similar to the cerebral spinal fluid. Note that virtually the entire renal parenchyma of both kidneys is replaced by numerous cysts of varying sizes. No enhancement was noted within these cysts after gadolinium administration. FIGURE 3 T2-weighted magnetic resonance image of a patient with autosomal dominant polycystic kidney disease. Note...

Calcium and phosphorus

Osteoporosis (thinning bones) similar to that which occurs in older people is not common in dogs. Most fractures in dogs are due to trauma and are not age-related. Many people think that, because older people are recommended to take additional calcium to help prevent thinning of the bones, the same must be true for dogs. In fact there is no special need for extra calcium or vitamin D3 in older dogs provided a balanced diet is fed. However, because of possibly decreased kidney function and the high chance of kidney disease, older dogs should be fed a food containing a low level of phosphorus (around 0.5 Table 10.8).

Nfor potassium 1 rmEq 1 rmrriol

Cretion results from acute renal failure, chronic renal failure, or Addison's disease. Excess potassium release from cells results from tissue breakdown (surgery, trauma, hemolysis, or rhabdomyolysis), blood transfusions, and metabolic acidosis. It is critically important to recognize that the treatments of hyperkalemia discussed thus far are transient, temporizing measures. They are intended to provide time to institute definitive therapy aimed at removing excess potassium from the body. Agents that increase potassium excretion from the body include sodium polystyrene sulfon-ate, loop diuretics, and hemodialysis or hemofiltration (used only in patients with renal failure). Sodium polystyrene sulfonate (Kayexalate, various manufacturers) can be given orally, via NG tube, or as a rectal retention enema and is dosed at 15 to 60 g in four divided doses per day.

Stent Thrombosis Risk and Management

Several large-scale studies of the carefully selected patients from randomized trials or more general practice36,37 have attempted to assess the incidence, timing, and risk factors for DES-associated stent thrombosis. Intravascular ultrasound (IVUS) and autopsy studies suggest a correlation with stent under-expansion, dissection, plaque prolapse, and stenting adjacent to vulnerable plaque.38 The 30-day risk appears to be 0.6 to 1.4 , which is not dissimilar to that with bare metal stents. From 6 months to 2 years, however, some studies suggest numerically small but significant excess risk with DESs. Simoli-mus- and paclitaxel-eluting stents appear to have similar risks.30 Consistent findings among the studies are the relation of cessation of clopidogrel therapy, renal failure, and bifurcation lesions to risk of thrombosis, often increasing the risk by more than five times.36,37 Other studies have found that the thrombosis risk also was related to stent length, in-stent

Pleural Effusion Fluid in the Chest

There are many causes of pleural effusions. They could develop as a result of heart failure, liver failure, or kidney failure or be related to a tumor in the chest. Sometimes, fluid can accumulate in the chest cavity for other reasons, such as an infection. In this case, the material may be pus. Sometimes the fluid is bloody, and when related to trauma, the fluid may actually be blood.

Functional Considerations

The elderly are more likely to present with left ventricular dysfunction, multivessel CAD, and associated comorbidities such as diabetes and chronic kidney disease, placing them at higher risk for PCI and often making CABG a more desirable option. Previous studies have demonstrated an increased risk of adverse cardiovascular events in the elderly after PCI. In a prospective registry (Routine versus Selective Exercise Treadmill Testing after Angioplasty ROSETTA Registry) designed to evaluate the use of functional testing after PCI, patients 75 years or older were compared with those younger than 75 years old. The older cohort was found to have a higher incidence of death, cardiac death, unstable angina, MI, and the composite end point of all of these outcomes at 6 months after successful PCI. Prior CABG correlated with a higher incidence of events. These elderly patients had a much higher incidence of comorbidities at baseline, which might have explained the differences found.45 With...

Pilot studies of the NASG

Based on the successes of the case series in Pakistan, the authors and their in-country colleagues are conducting NASG pilot studies in comprehensive emergency obstetric care facilities in Nigeria (Dr Dosu Ojengbede, University of Ibadan), teaching facilities in Egypt (John Snow International), and in primary and secondary health facilities in Mexico (Population Council and IMSS-Opportunidades). These studies compare use of a standardized protocol of shock and hemorrhage care in the pre-intervention period with the same standardized protocol plus the NASG in the postintervention phase. The primary outcome was volume of measured blood loss after initiation of treatment with or without the NASG. To obtain a relatively objective measure of blood loss, maternal bleeding after admission to the study is measured using a specially designed, closed-end, calibrated plastic blood collection drape. Prior studies of this drape indicate that it is more accurate than visual assessment in measuring...

Experience of the French Multicenter Registry

Lefevre presented the French data comparing coronary intervention (n 193), bypass surgery (n 233), and medical treatment (n 57) for LMCA stenoses at the Complex Catheter Technique meeting in Japan in 2002.61 Eleven centers in France enrolled 483 patients from May 2001 to June 2002 in this study. Thirty-two percent of patients constituted a high-risk group of patients older than 75 years, with pulmonary failure, renal failure, severe peripheral disease, previous bypass graft surgery, previous stroke, and left ventricular ejection fraction less than 30 . Coronary intervention, bypass surgery, or medical therapy was selected for 40 , 48 , and 12 of the cases, respectively, at the operator's or the patient's discretion. High-risk patients were more common in the coronary intervention group than in the bypass surgery group (45 versus 14 ), although triple-vessel disease was more common in the surgery group than in the angioplasty group (52 versus 28 ). The rates of distal LMCA involvement...

What damage can BPHcause

Enlargement of the prostate, BPH, increases the resistance to the flow of urine out of the bladder. Thus the bladder needs to work harder to push urine beyond the resistance. In order to accomplish this, the bladder pressures must increase. As a result of this need for increased force there is hypertrophy of the bladder muscle. The increased work that the bladder muscle needs to do to empty the bladder may lead to the development of overactive bladder (Questions 41 and 42). This increased pressure that the bladder needs to generate can be transmitted backwards from the bladder to the kidneys, and in some individuals it may impair the drainage of the kidneys, causing swelling of the kidneys hydronephrosis and a decrease in kidney function. If the bladder cannot create enough pressure and or cannot maintain the elevated pressure, then the bladder may not

When does BPH need to be treated

The need to initiate treatment for BPH is divided into absolute and relative indications. Absolute indications refer to objective medical reasons to intervene. These include impaired renal function because of prostatic obstruction, hydronephrosis or dilation of the ureters and kidneys, recurrent urinary tract infections, bladder stones, and inability to void (urinary retention). Impaired renal function

Traumatic gas gangrene

May be detected by soft tissue radiographs, computerized tomography (CT) scan, or magnetic resonance imaging however, none of these radiographic procedures are more specific or sensitive than physical examination revealing crepitus in soft tissue.5 However, radiographic procedures are particularly helpful to demonstrate gas in deeper tissue such as the uterus. Rapidly-developing signs of systemic toxicity include tachycardia, low-grade fever, and diaphoresis, followed by shock and multiorgan failure. In one study shock was present in 50 of patients presenting and of those who developed shock at some point in their hospitalization, 40 died, compared with 20 in the group as a whole.6 Bacteremia occurs in 15 of patients and may be associated with brisk hemolysis. One patient has been described wth a decrease in the hematocrit from 37 to 0 over a 24-h period.7 Subsequently, despite transfusion with 10 units of packed red blood cells over a 4-h period, the hematocrit never exceeded 7.2 .7...

Feline polycystic kidney disorder

In PKD a large number of fluid-filled cysts form within the kidneys (Feline Advisory Bureau 2004). The cysts are present from birth but increase in size until they damage the surrounding kidney tissue and cause kidney failure (Fig. 16.10). The cat will eventually die, despite supportive treatment. The disease is peculiar to Persian cats and any breed of cat where Persian genes have been included, such as the Tiffany.

Calcium Channel Blockers

Calcium antagonists may cause hypotension and thereby decrease renal perfusion. Therefore their use is not really justified in most cases of post-ischaemic acute renal failure. The effects of the depolarizing and non-depolarizing neuromuscular blocking agents might be enhanced by the calcium antagonists. Caution should always be exercised when this combination is used in patients with renal dysfunction.

Transradial versus Transfemoral Approaches for Percutaneous Coronary Intervention

Many advantages make the transradial approach the method of choice for outpatient PCI, which has been reported to be highly feasible and safe.6,7 The transradial approach is also of particular interest for patients at high risk for bleeding, such as elderly patients, women, those with renal failure, obese patients, or those on multiple antithrombotic agents, especially glycoprotein (GP) IIb IIIa inhibitors. For example, the transradial approach has been associated with fewer vascular complications in obese patients (multivariate OR 0.12 95 CI 0.02 to 0.94 P .043) in a retrospective series of 5234 diagnostic or interventional (56.6 ) procedures,8 as well as in the elderly (1.6 versus 6.5 , P .03).9 Other patients may be better served by the radial rather than femoral approach, including those with severe or proximal peripheral arterial disease, patients with bilateral aor-tofemoral bypass grafts, those with aortic aneurysms, and patients with a history of femoral complications

Combined Hereditary Complement Deficiencies

A family with four children has been identified in which three of the children are homozygous deficient for factor H and two of the three children are heterozygous deficient for C2. One of the two children with both C2 and factor H deficiency had classic SLE with nephritis. Two patients have been identified with combined homozygous C7 and C4B deficiency one of the patients was normal and one had SLE (73). The patient with SLE had a sister who was asymptomatic but was also homozygous C7 deficient. Additional patients have been identified with combined properdin and C2 deficiency, and DAF and C9 deficiency, but rheumatic disease was not reported for any of them.

Conservative Followup in Clinically Detected Primary Hyperparathyroidism

Van't Hoff and coworkers34 described 32 patients with primary HPT monitored for a mean of 4 years. Many of these patients had failed operations or were considered unfit to undergo parathyroid operation because of associated diseases, and some patients had refused surgery. Several patients had renal stones, and some had a serum calcium level greater than 3.0 mmol L prior to follow-up. Although the mean serum calcium and mean serum creatinine did not change significantly for the whole group of patients during the conservative management, one patient with a serum calcium level of 3.3 mmol L experienced pancreatitis and impaired renal function, and three patients underwent parathyroid surgery. The frequency of symptomatic renal stones and complications may have indicated a more liberal attitude toward operation. Corlew and associates36 reported a more carefully explored series of 47 patients with primary HPT who either refused surgery or were not offered this option, some of whom were...

Progression of Symptoms

Clinically evident renal failure is currently an unusual complication of primary HPT. Reductions of creatinine clearance and urinary concentrating capacity, however, occur in more than one third of patients with mild hypercalcemia, indicating that impairment of glomerular as well as tubular function may occur silently.47 Serum creatinine measurements are crude estimates and rise only after creatinine clearance is substantially reduced, and creatinine levels also decrease with declining muscle mass of aging.47 Reduction of creatinine clearance is a complication of the disease and an evident indication for surgery.46 Hypertension is twice as common in patients with primary HPT as in the general population and may be more severe in association with impaired renal function. However, it does not parallel the degree of hypercalcemia and is generally unaffected by parathyroid surgery.47 48 52 Hypertension and other risk factors for cardiovascular disease may also be of concern with respect...

Rights were not granted to include this figure in electronic media Please refer to the printed publication

Renal Failure The presence of renal failure is associated with 3.8fold increased odds for late stent thrombosis (OR 3.8 95 CI 1.2 to 11.3 P .018) (see Table 31-4). No pathologic correlation for stent thrombosis due to renal failure has been described. Although it is unknown how renal failure contributes to late thrombosis, it may be related to increased thrombogenicity or relative resistance to antiplatelet therapy.

Active Surveillance Of Small Renal Tumors

Nephron-sparing surgery for smaller renal cell carcinomas, originally proposed for patients with a solitary kidney, impaired renal function or bilateral tumors, is becoming the standard of care as an alternative to radical nephrectomy (25,42,43,55,56). Cancer-free survival appears equivalent (25). Laparoscopic partial nephrectomy is now widely performed and is perceived to be the preferred alternative to open partial nephrectomy (57,58). Although morbidity from nephrectomy has decreased with improved techniques, it is still significant and is reported to occur in 11 to 40 of cases in recent series (25,55,59-61).

Pediatric Intensive Care Unit

The medical profiles of PICU patients are typically diverse and complex, representing a range of accidental and or traumatic injuries complex chronic medical, congenital, genetic, and developmental conditions and new-onset acute medical conditions (e.g., diabetes, overwhelming infection, acute renal failure). PICUs serve patients with a wide age range, from infant to young adult, as well as adults with pe-diatric conditions such as cystic fibrosis. From 1995 to 2001, the number of general PICU beds in the United States grew from 306 units to 349 units, exceeding the rate of pediatric population growth in general (Randolph et al. 2004). Estimates suggest that more than 200,000 children are admitted to PICU settings annually in the United States (Col-ville 2008 Odetola et al. 2005).

External Radiation Therapy

External radiation therapy is currently used in a few centers for the treatment of in-stent restenosis of the superficial femoral artery (SFA). Preliminary reports are encouraging, although caution should be applied to this strategy because of the potential for radiation injury to the nerve, vein, and the skin. Preliminary attempts with external radiation for the treatment of AV dialysis grafts failed to reduce the restenosis rate. This unsuccessful attempt was attributed to the conservative use of low doses and thrombosis of these grafts. Using stereotactic techniques to localize the radiation to the target area may improve the results of this approach.

Catheter Based Beta Systems

Other innovative catheter-based radiation system developments have been halted because of the declining interest in the VBT field or slow recruitment into clinical trials. Included among these halted developments was the Radiance balloon system (Radiance Medical Systems, Irvine, CA), which was particularly attractive for peripheral applications because it is associated with apposition of a solid beta 32P source attached to the inner balloon surface into the surface of the vessel wall. Another approach was the use of low x-ray energy delivered intraluminally through a catheter. The emitter was 5 mm long and 1.25 to 2.0 mm in diameter and could be administered distally to the lesion and pulled back to cover the entire lesion length. The Corona system, a modification of the BetaCath system, was used to accommodate beta systems with the 90Sr 90Y emitter in the peripheral system. In this system, the balloon was filled with carbon dioxide, allowing centering and preventing dose attenuation....

Nephronsparing Surgery Current Indications

Absolute indications include synchronous bilateral renal cancer case, tumor in solitary kidney (unilateral renal agenesis or previous contralateral nephrectomy), or unilateral tumor with poorly nonfunctioning contralateral kidney, wherein radical nephrectomy would render the patient anephric (with a subsequent immediate need for dialysis) (40). As shown by Ghavamian et al. (28), open nephron-sparing surgery in a solitary kidney can be performed safely 5- and 10-year cancer-specific survival rates were 80.7 and 63.7 , respectively, and local recurrence-free survival rates were 89.2 and 80.3 , respectively.

Etiology and Epidemiology

The major underlying causes of dropsy are congestive heart failure, liver failure, kidney failure, and malnutrition. Because they were not clearly differentiated before the nineteenth century, a historical diagnosis of dropsy cannot be taken to indicate any one of these alone in the absence of unequivocal supporting evidence, as from an autopsy. However, heart failure was probably the most frequent of the four. 2. Renal failure causes dropsy when the glomerular filtering units become so diseased (e.g., in glomerulonephritis, first known as Bright's disease) that albumin and other large molecules are lost from the blood into the urine, resulting in decreased oncotic pressure.

Epidemiology and Etiology

Although the most common, peptic ulcer is hardly the only organic source of dyspepsia. Esophagitis hiatus hernia gastritis carcinoma of the stomach, colon, or pancreas Crohn's disease disease of the biliary tract chronic nephritis or any of several other conditions, including pregnancy, can produce indigestion. In approximately half of the cases of dyspepsia, however, no lesion can be found, and symptoms arise from derangements of motor, secretory, or absorptive functions, especially delayed gastric motility, esophageal reflux, and hyperacidity. This functional indigestion has been related to physical stress (aerophagia, fatigue, dietary indiscretion) and, more commonly, to nervous stress. Anxiety, anger, frustration, and other indications of emotional turmoil can significantly impair digestive function in sensitive or tense individuals (a similar psychic component - chronic tension and repression of emotion - has been implicated in peptic ulcer). Because the symptoms of functional...

Incubation period Up to 7 days

Pathogenesis Bacteria penetrate broken skin and mucous membranes and replicate in the liver and kidney, causing hepatitis, acute renal failure and intravascular coagulation. Leptospira can be excreted in the animal's urine for months or years after recovery. Clinical signs Pyrexia, vomiting, shock, interstitial nephritis and hepatitis. Signs dependent on animal's age, immunity and environmental factors.

Background And Rationale

In a similar study of 46,000 procedures in the New York State-required PCI reporting system, investigators included nine factors in a risk score ejection fraction, previous MI, gender, age, hemodynamic state, peripheral arterial disease, congestive heart failure, renal failure, and LMCA disease. Using this risk score, a graded risk for in-hospital mortality was derived and validated. About 2 of all patients had a risk for in-hospital death of more than 5 , and about 4 of patients had a risk of more than 3 .9

Risk Factors for CABG in Women

When comparing men and women, several factors have been examined to determine the outcome after surgery. These include age the presence of risk factors like diabetes, hypertension, and renal failure body size as it relates to the size of the blood vessels (especially the coronary arteries) and race (Caucasian or non-Caucasian). Contributing Factors When undergoing CABG, women are more likely than men to be diabetic or hypertensive or to have pre-existing kidney failure or be experiencing congestive heart failure. They are also statistically more likely to have advanced symptoms of coronary artery disease like severe angina,

Some Ways Of Distribution

When we must decide to allocate resources to individual patients or choose groups of patients to whom resources should or should not be allocated, we have several options of choosing. In general, the choices of macro-allocation will be made prior to micro-allocation The decision to provide or not to provide funds for renal dialysis is an example. There remain decisions that, although individual decisions for identified lives, nevertheless introduce a severe quandary. When, for example, medical conditions have been met, there still may not be enough organs to serve all who may benefit. Decisions made at the communal level (decisions, for example, that would exclude axe murderers from being considered as organ recipients42) may not suffice. A residue of eligible candidates clamoring for an individual scarce resource (the notorious last bed in the ICU example) will inevitably persist.

TABLE 71 Pathophysiology of Metabolic Alkalosis

With normal kidney function ECF HCO3- will not increase significantly this occurs because as serum HCO3- exceeds the PT for HCO3- reabsorption, the kidney excretes the excess HCO3- as a result serum bicarbonate will not rise unless there is a change in renal bicarbonate handling (maintenance factor)

What do you do now

Headaches that raise concern for SAH have aphoristically been categorized as first, worst, or cursed. A new headache should raise suspicion for SAH. This has special bearing on the migraineur population a new headache is classified as a migraine only after several similar episodes, so the first episode should be regarded with suspicion. Likewise, patients with migraines are often familiar with their headaches, so a report of a different type of headache may signify a different process. Likewise, any worst headache of my life, insofar as it remains the classic symptom, requires evaluation for SAH. Finally, the cursed headache is the one associated with an abnormal neurologic exam and should similarly prompt thorough evaluation. The clinical diagnosis of SAH is further informed by epidemiologic factors and associated risks. Prevalence is highest in the 5th through 7th decade with slightly more women than men affected. Family or personal history of cerebral aneurysm, Ehlers-Danlos...

TABLE 72 Compensation for Metabolic Alkalosis

The normal kidney has a powerful protective mechanism against the development of significant increases in ECF HCO3- , namely the PT for HCO3- above which proximal reabsorption fails and HCO3- losses in urine begin in almost all cases of metabolic alkalosis the kidney must participate in the pathophysiology exceptions occur when renal function is dramatically impaired (e.g., chronic kidney disease or acute kidney injury) and or when ongoing alkali load truly overwhelms renal capacity for bicarbonate elimination (rare)

Clinical Manifestations and Pathology

Signs of kidney disease usually follow infection, but not all patients have such a history. Many have no known or recognized antecedent illness. Generalized edema is often an early symptom. Red-brown or frankly bloody urine, reduced urine volume, hypertension, and headache from fluid accumulation are other common symptoms. In children, poststreptococcal glomerulonephritis is usually a mild disease, and most children recover without permanent kidney damage. In adults, in contrast, permanent kidney damage occurs more often. The reasons for this difference are unknown. lial crescents, surround the glomeruli, and strangle blood flow to the capillaries, causing kidney failure and death to the patient unless hemodialysis is undertaken.

Complications and Their Management

Complication rates are generally low in aortoiliac interventions. These include access site complications (e.g., groin hematoma, retroperitoneal bleed, pseudoaneurysm, arteriovenous fistula formation), thrombosis at the site of PTA, arterial rupture, and distal embolization. These complications happen at a rate of less than 5 to 6 in most series.26 Death, contrast-induced nephropathy, myocardial infarction, and cerebrovascular accident occur at a rate of less than 0.5 . The need for urgent vascular repair is reported to be about 2 . With regard to serious complications, rupture seems to be reported more frequently with the iliac arteries than with percutaneous interventions in other lower extremity arteries.26,27

Von Hippel Lindau Disease

VHL disease is an autosomal dominant disorder with 90 penetrance attributable to loss of a tumor-suppressor gene on chromosome 3p25-26.15,30 Lesions associated with VHL disease include CNS hemangioblastoma, retinal angioma, renal cysts, renal cell carcinoma, pancreatic cysts, pheochromocytoma, and epididymal cystadenoma.21,49 vHL-disease families can be

Complement Protein Knock Out Mice

Is C3 necessary for the development of glomerulonephritis Deposition of C3 is quite typical of glomerulonephritis in both humans and mice. Rare humans though with C3 deficiency have been described to develop glomerulonephritis. C3- and C4-deficient mice though were protected from the development of anti-glomerular basement membrane (GBM)-mediated nephritis (28). In B6 lpr mice that produce low titter anti-DNA antibodies but do not develop renal disease, C4 deficiency enhanced autoantibody production and the mice developed proliferate renal disease. C3 deficiency in B6 lpr mice had no apparent effect on antibody production and the mice did not develop renal disease (17). C3 deficiency in MRL lpr mice had minimal to no effect on skin disease, spleen size, B cell or T cell number, B cell activation, pathologic renal scores, or production of autoantibodies. C3-deficient MRL lpr mice did, however, manifest significantly greater albuminuria and glomerular IgG deposition compared with...

The Case for More Multimodal Monitoring and Stroke High Dependency Units

In view of this evidence, there is general agreement that in clinical practice antihypertensive medication should be withheld in the acute stages unless there is evidence of hypertensive encephalopathy, aortic dissection, cardiac failure or acute renal failure.20 Only if the blood pressure readings exceed the upper limits of autoregulation (i.e. systolic 220, diastolic 120) should the blood pressure be cautiously reduced to try to prevent vasogenic oedema formation and haemorrhagic transformation. The aim of therapy should be a moderate reduction in blood pressure over a day or so rather than minutes and usually an oral gb p xgb -blocker is sufficient. Nifedipine is often used in Europe but the disadvantage of this is unpredictability of response and the overshoot hypotension that can occur. Labetalol or enalapril are known to have minimal effects on cerebral blood vessels and can be tightly titrated. In the 'NINDS' trial of tPA in acute stroke,25 a protocol for the management of...

Upon completion of the chapter the reader will be able to

Evaluate the proper use of epoetin and darbepoetin in anemia patients with cancer and kidney disease. In cancer and kidney disease patients with anemia, therapy with epoetin or darbepoetin can increase Hgb, decrease transfusion requirements, and improve quality of life, but this therapy has safety risks and must be carefully monitored.

Toxicity of chromium compounds

Studies of the effects of chronic occupational exposure to chromium compounds have proven difficult due to co-exposures to other toxic substances in the relevant working environments. Occupational exposure to some inhaled hexavalent chromium mists may cause nasal septal ulceration and perforation, respiratory irritation and inflammation, dyspnoea, cyanosis, and gastrointestinal, hepatic, renal, and haematological effects and lung cancer. Chronic exposure to hexavalent chromium compounds can also cause allergic responses (e.g. asthma and allergic dermatitis) in sensitized individuals. Chronic exposure to trivalent chromium resulted in weight loss, anaemia, liver dysfunction, and renal failure.

Henoch Schonlein Purpura

Henoch-Schonlein purpura is a small-vessel vasculitis seen mostly in children. Immune complexes are deposited, causing petechiae, nephropathy, or renal disease (40 ) and GI bleeding. The purpura is usually in dependent areas such as the buttocks and lower extremities. Affected children often present with abdominal pain after an upper respiratory infection. Symptoms typically resolve spontaneously without treatment within 2 weeks, but serious GI and renal involvement can occur, requiring steroids. NSAIDs might be helpful for arthralgias.

Toxicity of copper compounds

Acute copper toxicity is rare in humans but can occur from contamination of food or drink (e.g. from leaching into drinking water from pipes) and very rarely intoxication has followed ingestion of large amounts of coins. The emetic properties (induction of vomiting) and unpleasant taste of copper salts mitigate against frequent accidental or deliberate ingestion. Signs of acute toxicity include salivation, epigastric pain, nausea, vomiting, and diarrhoea. Intakes in the range 25-75 mg have been quoted as sufficient to induce vomiting but individual susceptibility varies and lower intakes may produce effects if taken on an empty stomach. Intakes of above about 100 g of copper sulphate produce intravascular haemolysis (breakdown of red blood cells), acute hepatic failure, acute tubular renal failure, shock, coma, and death.

Clinical Manifestations of Secondary Hyperparathyroidism

Replacement of the kidney's excretory function by dialysis has prolonged life, but it has also revealed the extent and importance of its endocrine functions.59 Patients with CRF have considerable morbidity and mortality. Classic clinical manifestations of SHPT come from bones (pain, deformities, fractures), from metastatic calcifications, and from skin (pruritus, calciphylaxis). Patients with CRF also suffer from a wide range of organ dysfunctions that were attributed to a uremic toxin. As we begin to understand the physiopathology of CRF, we recognize that many organ derangements are the consequences of the effects of high PTH levels on cellular metabolism. Musculoskeletal problems remain among the main limitations of the quality of life of patients with renal failure, in particular those treated with long-term maintenance dialysis. The mechanical problems caused by uremic bone disease include fractures of long bones, crush vertebral fractures, and rib fractures. Bone pain is a...

Type Of Surgical Procedure

Renal failure is the main factor in overgrowth of parathyroid glands or graft. Mixing follow-up of patients receiving dialysis and after transplantation is misleading. 3.5 and 5.0 mg dL. Oral calcitriol (0.5 to 4 ig day) should be given in addition to calcium to control hypocalcemia.67 When postoperative hypocalcemia is likely, prophylactic calcium and calcitriol administration can be started before or immediately after surgery. Calcitriol (2 ng) given during dialysis has been used for 5 days before the operation to prevent postoperative hypocalcemia.5 Patients receiving peritoneal dialysis can be given intraperitoneal calcium therapy to control hypocalcemia.62 Supplementation with elemental magnesium at 1 mEq kg per day should be started if the serum magnesium concentration drops below 1.5 mg dL.24 If not properly treated, hypocalcemia can lead to tetany and convulsions, especially during the later hours of hemodialysis. Hypocalcemic seizures can cause multiple fractures.5 Patients...

Synthesis of Magnetic Nanoparticles in Liquid Crystals

G-Fe2O3 nanoparticles were obtained by addition of alkali to an aqueous solution of Fe(III) and Fe(II) salts followed by acidification and oxidation with ferric nitrate. After dialysis, the resulting magnetic fluid was mixed with solid dodecyldimethylammonium bromide (DDAB) and the mixture was homogenized by centrifugation. This procedure allowed to obtain a dispersion of g-Fe2O3 nanoparticles in the lyotropic lamellar phase formed by DDAB17.

Significance Of Renal Artery Stenosis

The resistive index determined by duplex ultrasound may determine the presence of irreversible parenchymal disease in the setting of RAS and predict the outcome with revascularization. One study50 reported that patients treated successfully with percutaneous angioplasty had poor outcome if the resistive index values were greater than 0.8. Eighty percent of patients with a resistive index greater than 0.8 undergoing renal artery angioplasty had renal function decline, resulting in the need for chronic dialysis in half of the patients, and there was no decrease in blood pressure. Patients with a resistive index lower than 0.8 undergoing renal artery angioplasty had a significant decrease in blood pressure (94 of patients), and only 3 had renal function decline. Another study51 revealed a relation between the resistive index by Doppler ultrasonography and arterio-losclerosis in damaged kidneys (biopsy). However, there is still controversy surrounding the use of this index, and...

Bare Metal Versus Drug Eluting Renal Artery Stent Placement

Drug-eluting stents may have a role in the treatment of small renal arteries, particularly in patients with impaired renal function in whom reintervention would lead to recurrent exposure to contrast agents or embolism. Another indication could be the treatment of in-stent restenosis, which until now has been treated with repeat balloon angioplasty or placement of a bare metal stent within the previously placed stent.

Dietary Recommendations

The 2008 ADA guidelines considered the risk and advisable intake of carbohydrates, fats, proteins, and other food ingredients. Monitoring carbohydrate by counting, exchanges, or experience-based estimation remains a key strategy in achieving glycemic control. Saturated fat should be less than 7 of calories, and there should be minimal trans fat. Total cholesterol should be less than 200 mg daily. Higher fiber intake may improve glycemic control thus fiber intake should be at least 14 g 1000 calories daily. Sugar, alcohols, and nonnutritive sweeteners are safe when consumed within daily levels established by the Food and Drug Administration (FDA). Usual dietary protein of 15 to 20 of calories is appropriate in diabetes in the absence of significant renal insufficiency. Reduction of protein intake to 0.8 to 1.0 g kg day in diabetic individuals with early stages of chronic kidney disease, and to less than 0.8 g kg day in later stages, may improve renal function. High-protein diets ( 20...

Prevention and Control

It may be that the nonspecificity of the lead intoxication syndrome confused earlier diagnosticians because other conditions can simulate some of lead's toxic effects. The mine fumes that several Greco-Roman period authors held responsible for lead miners' health problems were perhaps the obvious and unpleasant sulfur dioxide odors emitted by galena ore rather than by lead compounds. Yet Pliny even complained specifically that the practice of adulterating wine (adding lead to improve the flavor) produces nerve injury manifested by paralyzed, dangling hands. His contemporary, the physician Dios-corides, clearly described colic and renal failure resulting from drinking the lead oxide compound called litharge. Most ancient miners were slaves whose ailments may not have been treated by physicians. It is, of course, possible that Romans were not exposed to as much lead as we presume today and that a lack of concern by Roman physicians simply reflects a low frequency of lead poisoning in...

Effect of androgens on renal function

Based on the renotrophic effects of androgens (Mooradian etal. 1987), it has long been speculated that androgen therapy in patients with chronic renal failure or nephrotic syndrome might improve or slow the deterioration in underlying renal function. However, clinical evidence for renotrophic effects of androgen therapy has remained ambiguous due to the lack of adequately powered, placebo-controlled studies (Kopera 1976 Kruskemper 1968). The best clinical evidence is derived from a placebo-controlled study of elderly patients without renal disease (Dontas et al. 1967) and another evaluating uremic patients but without a control group (Wilkey etal. 1960). In the first study (Dontas etal. 1967), indices of both glomerular and tubular function improved with nandrolone phenylpropionate (25 mg injections weekly) after 40 weeks. In the other (Wilkey et al. 1960), well-being and biochemical tests of renal function improved but no detailed findings or analysis were presented for the 88 uremic...

Diabetic Macroangiopathy Accelerated Atherosclerosis

Premature development of coronary heart disease (CHD) is the leading cause of morbidity among diabetic patients. Type 1 diabetic patients who are not troubled with diabetic nephropathy will likely experience CHD as early as their third or fourth decade, depending on the duration of their diabetes. The onset of renal disease in type 1 patients will further accelerate this timetable. Premenopausal status does not protect diabetic women from CHD.

The First Heart Transplant

After this famous transplant, however, Barnard was often on the leading edge of organ transplantation. Even before the heart transplant, he performed the first kidney transplantation in Africa and, later on, the third heart-lung transplantation in the world. He also performed the world's first heterotopic transplant (sometimes called the piggy-back transplant ), an operation during which a donor heart is placed next to the patient's heart and the two work in parallel. This operation, which is still used today, was developed for circumstances when the donor heart was either questionable or too small.

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