Hautmann代用膀胱の臨床的検討

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膀胱癌に対する膀胱全摘後の尿路再建として,Hautmann代用膀胱を37例の男性患者に施行した. 1)尿管回腸吻合は粘膜下トンネル法で行い,3例3尿管に水腎を認めたが,代用膀胱尿管逆流は認めなかった.全例自排尿可能となったが,残尿が100ml以上ある症例を4例認めた. 2)術後尿道再発を2例に認め,1例は経尿道的切除,1例は尿道全摘を必要としたBetween April 1993 and August 1995, a Hautmann's ileal neobladder was created in 37 men after total cystectomy for bladder cancer. Ureteroileostomy was performed using a submucosal tunnel instead of the Le-Duc Camey procedure. There was no operative mortality and only a few early complications. The mean postoperative follow-up time was 16 months, with a range of 3 to 31 months. Hydronephrosis occurred in 3 patients, being caused by stenosis at the uretero-ileo anastomosis in 2 and by proximal stenosis in 1. Neobladder-ureteral reflux did not occur in any of the patients. Postoperative ileus developed in 3 patients, and one required laparotomy. Stenosis of the urethro-ileal anastomosis developed in 3 patients, who were successfully treated by transurethral incision. Thirty five patients achieved daytime continence, while 2 patients had slight incontinence. Twenty nine patients achieved nighttime continence, and most of the patients awoke 1-4 times to prevent overflow incontinence. The mean maximum flow rate, average flow rate and post-voiding residual urine volume were respectively 15.3 ml/sec, 5.5 ml/sec and 81 ml at 6 months postoperatively, and 14.9 ml/sec, 5.4 ml/sec and 76 ml at 12 months. Four patients with more than 100 ml of residual urine required sterile intermittent catheterization 2-4 times a day. Urethral recurrence was detected in 2 patients. One was treated with transurethral resection and cisplatinum-based systemic chemotherapy, and the other required urethrectomy and urinary diversion using a new continent efferent limb.

Hautmann代用膀胱の臨床的検討

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