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Urethral strictures and bipolar transurethral resection in saline of the prostate: fact or fiction?
Dirk P J Michielsen1, Danny Coomans
1Department of Urology, Vrije Universiteit Brussel, Brussels, Belgium. dirk.michielsen@uzbrussel.be
Purpose:
To compare the incidence of urethral strictures after monopolar transurethral resection of the prostate (TURP) and bipolar transurethral resection in saline (TURIS) for symptomatic benign prostatic hyperplasia.
Patients And Methods:
Between January 2005 and January 2009, 518 patients with symptomatic benign prostate hyperplasia underwent either monopolar or bipolar resection. In a randomized trial, the incidence of urethral strictures after both treatment modalities was analyzed.
Results:
Over 48 months, 255 patients were treated with conventional TURP and 263 patients with TURIS. Patient related, operation, and hospitalization characteristics were similar in both groups. After a mean follow-up of 32.1 months (range 50-7 months), the incidence of urethral strictures was 2.4% in the TURP group. After a comparable period of 31.4 months (range 50-7 months), the incidence in the TURIS group was 1.5%. No statistically significant difference was obtained (P = 0.539). These values were compared with the results of other randomized controlled trials with the same or other bipolar technology. No statistically significant difference in urethral structures was noticed between monopolar and bipolar resections (P = 0.739).
Conclusions:
With a stricture incidence of 1.5%, bipolar transurethral prostate resection has a low stricture rate, comparable with monopolar TURP (2.4%).
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