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  • Title: Transurethral resection versus incision of the prostate: a randomized, prospective study.
    Author: Riehmann M, Knes JM, Heisey D, Madsen PO, Bruskewitz RC.
    Journal: Urology; 1995 May; 45(5):768-75. PubMed ID: 7538238.
    Abstract:
    OBJECTIVES: To evaluate longer term effects of transurethral resection (TURP) and incision (TUIP) of the prostate in randomized patients. METHODS: In a randomized, prospective study, 120 patients with symptoms of bladder outlet obstruction caused by smaller benign prostates (estimated resectable weight less than 20 g) were assigned to TURP or TUIP. Patients were evaluated preoperatively and at intervals postoperatively as to urinary symptoms (Madsen's questionnaire), sexual function, and uroflowmetry. Overall evaluation of outcome of surgery was also assessed at follow-up visits. RESULTS: Fifty-six patients received a TURP and 61 a TUIP. Three patients refused to participate in the project after randomization, and 5 patients were lost to or excluded from follow-up. A group of 112 patients were obtainable for postoperative evaluation with a mean follow-up time of 34 months (1 to 82 months). Improvements in mean urinary peak flow rates were seen in both groups throughout the study period. The peak flow rates generally were higher (but not statistically so) in the TURP group. Postoperative irritative, obstructive, as well as total symptom scores decreased significantly at all follow-up visits after both TURP and TUIP (P < or = 0.034). Preoperatively and at all postoperative follow-up there was no statistically significant difference in irritative, obstructive, or total symptom scores between TURP and TUIP. The patients indicated an overall subjective improvement at all follow-ups in both groups, with no statistically significant difference between the treatment groups. Fifteen of 22 (68%) patients receiving TURP and 8 of 23 (35%) in the TUIP group who were sexually active before and after surgery developed postoperative retrograde ejaculation (P = 0.020). Postoperatively, 9 (16%) of the patients in the TURP and 14 (23%) in the TUIP group received further treatment for benign prostatic hyperplasia (BPH)-related infravesical obstruction. This difference was not statistically significant (P = 0.908). CONCLUSIONS: In small prostates TURP and TUIP were generally equally effective in relieving bladder outlet obstruction secondary to BPH. Most surgically treated BPH cases can be well managed by the incision technique, which is an underutilized procedure.
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