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Br J Surg. 1998 Nov;85(11):1512-6.

Experience with the Mainz modification of ureterosigmoidostomy.

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1
Department of Urology, Julius Maximilians University Medical School at Würzburg, Germany.

Abstract

BACKGROUND:

The purpose of this study was to report experience with the revived surgical concept of ureterosigmoidostomy in its low pressure modification and to discuss its value within the current spectrum of urinary diversion.

METHODS:

Between February 1992 and September 1997 modified ureterosigmoidostomy (rectosigmoid pouch; Mainz pouch II) was performed in 34 patients aged 1.9-76.9 (mean 55.8) years as a primary urinary diversion after radical cystectomy for bladder cancer (n = 30) and benign conditions (bladder exstrophy, three patients; intractable urinary incontinence, one). All patients were followed prospectively according to a standard protocol including assessment of continence, renal function and acid-base balance.

RESULTS:

There were no perioperative deaths. In one patient dislocation of a ureteral stent in the early postoperative course required insertion of a percutaneous nephrostomy. All patients were continent during the day. One patient experienced night-time incontinence but rejected a conversion procedure. In one case ureterosigmoidostomy was replaced by an ileal conduit after several episodes of septicaemia. One nephrectomy was performed for ureterointestinal obstruction. Mild hyperchloraemic acidosis was seen in two patients.

CONCLUSION:

Bowel frequency and urge incontinence, the major weaknesses of classical ureterosigmoidostomy, can be overcome by detubularization of the rectum. As the modified procedure is quick, safe and easy to perform with highly satisfactory results, the rectosigmoid pouch has potential in reconstructive urology.

[Indexed for MEDLINE]

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