What are prostatic stents What are the results with prostatic stents

Prostatic stents are devices that are placed transurethrally and expand to keep the prostatic urethra open. In many ways, they are similar to the coronary artery stents that have gained wide notoriety.

Prostatic stents are most commonly used in older men who are in urinary retention requiring an indwelling urethral catheter and who are not candidates for any type of invasive therapy. After the stents have been in place for a few months, the mucosa or lining of the urethra grows through them, and they no longer can be seen cystoscopically.

As mentioned, in properly selected patients, prostatic stents can be very useful. The results of one specific type of prostatic stent called the UROLUME appear in Table 15.

Table 15 36-Month Follow-up North American Urolume Study

Month Post Treatment

Number Patients

Preoperative

Percent Postoperative

Percent Change

Nonretention Cohort

SS (Madsen) decrease

0

95

14

Symptom score

36

95

5

65

Qmax increase

0

95

9 ml/second

Maximum urinary flow rate

36

95

15

67

PVR decrease

0

95

89 ml

Postroid residual

36

95

54

40

Retention Cohort

SS (Madsen)

36

31

Retention

5

Qmax

36

31

Retention

11 ml/second

PVR

36

31

Retention

46 ml

Source: Loughlin, P. 100 Questions and Answers About Prostate Disease. Jones and Bartlett Publishers, LLC, 2007.

Source: Loughlin, P. 100 Questions and Answers About Prostate Disease. Jones and Bartlett Publishers, LLC, 2007.

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