Bladder Neck Incision or Transurethral Electroresection for the Treatment of Urinary Obstruction Caused by a Small Benign Prostate?: A Randomized Urodynamic Study

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Abstract
Transurethral electroresection of the prostate (TURP) was compared with bladder neck incision (BNI) in the treatment of 24 patients with urinary obstruction caused by a small benign prostate. An evaluation of the urodynamic findings and subjective symptoms was undertaken before the operation and 6 months afterwards. Thirteen patients underwent TURP and 11 BNI. All patients except one in the BNI group subjectively considered the result good. The urodynamic evaluation showed that the detrusor pressure at maximum flow rate decreased more in the TURP group than in the BNI group and the urethral pressure profile was shorter after the operation. The maximum flow rates after the operation were similar in both groups. Retrograde ejaculation developed in 62% of the patients after TURP but none after BNI. BNI is recommended for men under 60 years with minimal prostatic hypertrophy and with an active sexual life