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The efficacy of pyridostigmine therapy after transurethral resection of prostate in cases with underactive urinary bladder: prospective randomized trial

K. M. Zeinelabden, Mohamed El-Shazly, Ammar Alorabi, H. Kandeel, Baher Salman, M. Aziz

World journal of urology, 2025

Abstract

Bladder outlet obstruction mediated underactive bladder represents a challenging condition in which transurethral resection of prostate did not prove to be a sufficient treatment option. Therefore, this study was conducted to evaluate the effects and adverse effects of Pyridostigmine as a treatment for underactive bladder after transurethral resection of prostate. This prospective, double-blind, randomized controlled study was conducted between May 2024 and November 2024. Sixty-six patients who had benign prostatic hyperplasia with preoperative underactive bladder and eligible for transurethral resection of prostate were randomized into two groups: the Pyridostigmine group, which received Pyridostigmine 120 mg daily for 3 months postoperatively, and the control group, which received placebo postoperatively. Patients were followed-up for 3 months postoperatively to observe symptom changes, urodynamic changes and adverse effects. Patient who received Pyridostigmine showed significant improvement compared to the control group patients regarding IPSS score (p = 0.001), quality of life (p < 0.001), postvoid residual volume (p = 0.002), maximum flow rate (p < 0.001), contractility index (p = 0.001) and postoperative retention incidence (p = 0.005). Mild adverse effects were reported in 23.5% of patients who received Pyridostigmine with no reported serious adverse effects. Pyridostigmine after transurethral resection of prostate in patients with underactive bladder with benign…

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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.

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