Abstract
Eight women with severe intractable interstitial cystitis were treated with supratrigonal cystectomy and Mainz ileocecocystoplasty. The preoperative evaluation consisted of symptom analysis, cystometry, cystoscopy and bladder pathological findings. Seven patients had increased mast cell density. Median followup was 10 months. The symptoms resolved in 2 patients but recurred in 6 shortly after the operation. Voiding could not be established in 4 patients. Self-catheterization was difficult and painful. Ultimately, cystectomy and urinary diversion were performed in 5 patients and is scheduled in 1. The 2 cured patients had a small contracted bladder preoperatively while they were under anesthesia, while all 6 failed cases had a large bladder capacity.Postoperative biopsies from the trigone showed no difference in the amount of fibrosis, the degree of degenerative changes in the muscle and mast cell density between the 2 cured patients and the 6 who failed to improve. The mast cell density and the histological status of the trigone cannot be used as predictors of the outcome of supratrigonal cystectomy.The role of the mast cells in interstitial cystitis is reviewed. Combination of supratrigonal cystectomy and a Mainz augmentation cystoplasty cannot be recommended in patients with intractable interstitial cystitis and a large bladde capacity. (J. Urol, 144: 255-259, 1990)
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