PURPOSE: In the present study, we evaluated the long-term results of modified Y-shaped orthotopic ileal neobladder (Tanta pouch) with trans-mesenteric left retro-colic chimney. PATIENTS AND METHODS: A total of 70 patients with invasive bladder cancer underwent radical cystectomy and modified Y-shaped orthotopic ileal neobladder. (The left chimney elongated to pass to the left side through a window in the mesentery of the pelvic colon and the ureters were implanted directly end to side, in both chimneys after doing good spatulation. RESULTS: The mean follow-up period ranged between 7 and 10 years (mean 7.8 years). 18 patients died during the period of follow-up. 6 months postoperatively, there was a spherical orientation of the pouch (The mean capacity was 542 ± 47 cm3) and the maximum intra-pouch pressure was 24 ± 3.2 cm H2O. Daytime continence was achieved in 93% of the patients and nighttime continence was achieved in 87%. Stress incontinence occurred in 15% and total incontinence in 2%. Renal function was stable in 93% of renal units. Stricture ureter was not recorded of any case. Of 14 renal units with preoperative dilated ureters, 5 units had improved postoperatively and the others had persistent reflux. 13 renal units (3 unilateral and 5 bilateral) with normal preoperative ureters had persistent postoperative reflux. Persistent reflux showed no influence on renal function. CONCLUSION: Modified Y-shaper pouch is suitable for short, dilated ureters. Longitudinal orientation of the pouch facilitates ileo-urethral anastomosis, especially with short mesentery. Long-term follow-up for direct uretero-ileal anastomosis did not show deterioration of the renal function.
PURPOSE: In the present study, we evaluated the long-term results of modified Y-shaped orthotopic ileal neobladder (Tanta pouch) with trans-mesenteric left retro-colic chimney. PATIENTS AND METHODS: A total of 70 patients with invasive bladder cancer underwent radical cystectomy and modified Y-shaped orthotopic ileal neobladder. (The left chimney elongated to pass to the left side through a window in the mesentery of the pelvic colon and the ureters were implanted directly end to side, in both chimneys after doing good spatulation. RESULTS: The mean follow-up period ranged between 7 and 10 years (mean 7.8 years). 18 patients died during the period of follow-up. 6 months postoperatively, there was a spherical orientation of the pouch (The mean capacity was 542 ± 47 cm3) and the maximum intra-pouch pressure was 24 ± 3.2 cm H2O. Daytime continence was achieved in 93% of the patients and nighttime continence was achieved in 87%. Stress incontinence occurred in 15% and total incontinence in 2%. Renal function was stable in 93% of renal units. Stricture ureter was not recorded of any case. Of 14 renal units with preoperative dilated ureters, 5 units had improved postoperatively and the others had persistent reflux. 13 renal units (3 unilateral and 5 bilateral) with normal preoperative ureters had persistent postoperative reflux. Persistent reflux showed no influence on renal function. CONCLUSION: Modified Y-shaper pouch is suitable for short, dilated ureters. Longitudinal orientation of the pouch facilitates ileo-urethral anastomosis, especially with short mesentery. Long-term follow-up for direct uretero-ileal anastomosis did not show deterioration of the renal function.
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Authors: Weipu Mao; Shuqiu Chen; Lijie Zhang; Tao Li; Si Sun; Bin Xu; Weidong Zhu; Guangyuan Zhang; Lei Zhang; Jianping Wu; Ming Chen Journal: Front Surg Date: 2022-06-01