Nassar Omaya, Farahat Iman Gouda
National Cancer Institute of Cairo University, Giza, Egypt.
J Egypt Natl Canc Inst. 2025 Sep 8;37(1):58. doi: 10.1186/s43046-025-00316-9.
To balance the extended functional urinary voiding and morbidity outcomes amid Ileal W and Y-shaped contrasted to spherical ileocoecal (IC) orthotopic bladders subsequent prostate-sparing radical cystectomy (PRC) versus standard radical cystoprostatectomy (RC).
Two hundred eight male bladder cancer patients were grouped into 98 RC followed by 43-W, 31-Y, and 23-IC in comparison to 110 PRC followed by 35-W, 37-Y, and 38-IC. The functional voiding outcomes were determined by detailed patients' interview and urodynamic studies (UDS).
Twenty-four hour pad-free continence for PRC at the 6th month was (37, 25, and 36%) as regards W, Y, and IC in that order, improved to (51, 44, and 51%) at the 12th month and (68, 70, 73%) at the 5th year. Nocturnal continence at the 12th month was (60, 56 and 59%). After 73 months median surveillance, day-time control was 90% equal for the 3 pouch configurations. RC patients faced inferior continence rates exclusively during nocturnal time. Urethral pressures started higher for PRC and increased over time, resulting in diminution of stress frequency. Delayed pouch morbidities were 41% for W vs. 22.4% and 25% among Y and IC series. Urethral recurrences were non-existent in both groups without atypical or metaplastic changes. Mucosal pattern persisted in 60% while muscular coat atrophied in 83% of ileal and 40% of colon walls.
Voiding control parameters for PRC were significantly superior. Though early continence is in favor of W pouches, delayed observation showed equivalent Y and IC results besides least delayed pouch-related morbidities for IC.
在保留前列腺的根治性膀胱切除术(PRC)与标准根治性膀胱前列腺切除术(RC)后,比较回肠W形、Y形和球形回盲部(IC)原位膀胱在扩大功能性排尿和发病结局之间的平衡。
208例男性膀胱癌患者分为两组,98例行RC,术后分别有43例采用W形、31例采用Y形、23例采用IC形膀胱;110例行PRC,术后分别有35例采用W形、37例采用Y形、38例采用IC形膀胱。通过详细的患者访谈和尿动力学研究(UDS)确定功能性排尿结局。
PRC术后6个月时,W形、Y形和IC形膀胱24小时无垫控尿率分别为37%、25%和36%,12个月时分别提高到51%、44%和51%,5年时分别为68%、70%和73%。12个月时夜间控尿率分别为60%、56%和59%。经过73个月的中位随访,3种膀胱构型的日间控尿率均为90%。RC患者仅在夜间控尿率较低。PRC患者尿道压力开始时较高,并随时间增加,导致压力性尿失禁发生率降低。W形膀胱延迟性并发症发生率为41%,Y形和IC形系列分别为22.4%和25%。两组均无尿道复发,无非典型或化生改变。60%的患者黏膜模式持续存在,83%的回肠壁和40%的结肠壁肌层萎缩。
PRC的排尿控制参数明显更优。虽然早期控尿有利于W形膀胱,但延迟观察显示Y形和IC形膀胱结果相当,且IC形膀胱延迟性相关并发症最少。