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Urethral stricture following endoscopic prostate surgery: a systematic review and meta-analysis of prospective, randomized trials

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Abstract

Introduction and objectives

This systematic review aims to evaluate the incidence and influencing factors of urethral stricture (US) in relation to different BPH endoscopic techniques.

Materials and methods

We performed a systematic literature review using MEDLINE, EMBASE, and Cochrane Central Controlled Register of Trials. The incidence of US was estimated through comparative studies between different endoscopic techniques. Patients were assigned into groups according to the type of surgery (enucleation, ablation and resection group). Incidences of US were pooled using the Cochran-Mantel-Haenszel Method with the random effect model and reported as Risk Ratio (RR), 95% Confidence Intervals (CI), and p-values.

Results

A total of 80 studies were included for meta-analysis. The pooled incidence of US was 1.7% after enucleation, 2.1% after ablation, 3.8% after monopolar (M)-TURP and 2.1% after bipolar (B)-TURP. The incidence of US was significantly lower after Enucleation than after TURP (RR 0.58 95% CI 0.39–0.84, p = 0.004). US incidence was lower for Ablation procedures than TURP, but the difference did not reach significance (RR 0.79 95% CI 0.61–1.3, p = 0.08). However, this was significant in the subgroup of M-TURP studies (RR 0.67, 95% CI, 0.49–0.91, p = 0.01). Sub-analysis showed that the risk of US was significantly lower after Enucleation than after TURP within 12 months after surgery (RR 0.51 95% CI 0.33–0.81, p = 0.004).

Conclusion

The study shows an increased incidence of US after TURP compared to enucleation and ablation procedures. The main factors related to increased US incidence are the use of monopolar energy, instrument caliber and duration of postoperative catheterization.

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Change history

  • 16 June 2022

    Last name of the author "Esther Garcia Rojo" was incorrect. Now, it has been corrected to "García Rojo”

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GMP: study design, manuscript drafting, data collection. DC: data management, data analysis and interpretation. EJL: data collection, manuscript drafting and graphic illustration. MLW: data collection. DLQN: data collection. MG: data collection, critical revision of the manuscript. ER: data collection, critical revision of the manuscript. VWSC: statistical analysis. MC: data collection. EGR: data collection. TRWH: critical revision of the manuscript for important intellectual content, supervision. JYCT: study concept, data interpretation, supervision. V: study concept and design, overall work supervision, manuscript editing and data interpretation.

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Correspondence to Vineet Gauhar.

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GM Pirola, D Castellani, EJ Lim, ML Wroclawski, DLQ Nguyen, M Gubbiotti, E Rubilotta, VWS Chan, M Corrales, EG Rojo, JYC Teoh, V Gauhar have no conflicts of interest to declare. TRW Herrmann is company consultant for Karl Storz.

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Pirola, G.M., Castellani, D., Lim, E.J. et al. Urethral stricture following endoscopic prostate surgery: a systematic review and meta-analysis of prospective, randomized trials. World J Urol 40, 1391–1411 (2022). https://doi.org/10.1007/s00345-022-03946-z

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