Abstract
PURPOSE: The purpose of this study was to determine the cumulative success rate of Kock continent ileostomy and the reasons leading to excision and to compare the results with pelvic pouch and ileal pouch-anal anastomosis. METHODS: The data were collected from the histories of 96 patients, who underwent a Kock continent ileostomy operation from 1972 to 2000 at Helsinki University Central Hospital. The failure rate was calculated by the Kaplan-Meier method. RESULTS: Overall, the continent ileostomy was converted to conventional stoma in 21 patients (24 percent). The cumulative success rate was 96 percent at 1 year, 86 percent at 10 years, 77 percent at 15 years, and 71 percent at 29 years. The most common reason for pouch excision was partial or total nipple-valve sliding. Eighty-five re-reconstructions were performed among 57 patients (59 percent), the most common indication being nipple-valve dysfunction. Of these patients, 14 later ended up with pouch excision. The success rate of continent ileostomy was significantly lower than that of ileoanal anastomosis (P < 0.01). CONCLUSION: The durability of continent ileostomy is mainly related to the mechanism of the nipple valve and not to ileitis or other systemic effects of the basic disease. Kock continent ileostomy can offer satisfactory long-term function in more than two-thirds of patients up to 30 years.
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Lepistö, A.H., Järvinen, H.J. Durability of Kock Continent Ileostomy. Dis Colon Rectum 46, 925–928 (2003). https://doi.org/10.1007/s10350-004-6686-y
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DOI: https://doi.org/10.1007/s10350-004-6686-y