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Salvage surgery for continent ileostomies (CI) after a first successful revision: more long-term blame on the reservoir than the nipple valve.
International Journal of Colorectal Disease 2022 March
PURPOSE: The aim of the study was to investigate the underlying cause of long-term complications in patients requiring at least one revision surgery of a continent ileostomy (CI) and to analyze functional outcome.
METHODS: Only patients with CI at least one revision were included in the retrospective data analysis. Four different classes of complications (Cl A-D) were defined: Cl A = Nipple valve (NV), Cl B = pouch, Cl C = outlet (stoma), and Cl D = afferent loop (AL). Associations between underlying disease and origin of complications were analyzed. Cumulative probabilities were calculated using Kaplan-Meier analysis.
RESULTS: A total of 77 patients were identified with a follow-up of 30 years, requiring 133 surgeries for 148 complications (c.). Cl A 49 c. (33.1%), Cl B 50 c. (33.8%), Cl C 39 c. (26.4%), and Cl D 10 c. (6.8%). Cl A and C complications were not correlated to underlying disease, whereas Cl B and D complications were only found in ulcerative colitis (UC) and Crohn's disease (CD). The cumulative probability of a second revision showed a linear rise, reaching 62.5% after 20 years. Cl A and B complications both reached 42.1%. Eleven (14.3%) patients (10 Cl B) had pouch failure in a follow-up period of 11.5 ± 8.7 years (1-31 years), whereas 66 (85.7%) had successful revisional surgery. Overall CI survival was 78.8% at 44 years.
CONCLUSION: CI survival is limited by inflammatory complications of the pouch based on the underlying disease and not by mechanical limitations of the NV.
TRIAL REGISTRATION NUMBERS: None.
METHODS: Only patients with CI at least one revision were included in the retrospective data analysis. Four different classes of complications (Cl A-D) were defined: Cl A = Nipple valve (NV), Cl B = pouch, Cl C = outlet (stoma), and Cl D = afferent loop (AL). Associations between underlying disease and origin of complications were analyzed. Cumulative probabilities were calculated using Kaplan-Meier analysis.
RESULTS: A total of 77 patients were identified with a follow-up of 30 years, requiring 133 surgeries for 148 complications (c.). Cl A 49 c. (33.1%), Cl B 50 c. (33.8%), Cl C 39 c. (26.4%), and Cl D 10 c. (6.8%). Cl A and C complications were not correlated to underlying disease, whereas Cl B and D complications were only found in ulcerative colitis (UC) and Crohn's disease (CD). The cumulative probability of a second revision showed a linear rise, reaching 62.5% after 20 years. Cl A and B complications both reached 42.1%. Eleven (14.3%) patients (10 Cl B) had pouch failure in a follow-up period of 11.5 ± 8.7 years (1-31 years), whereas 66 (85.7%) had successful revisional surgery. Overall CI survival was 78.8% at 44 years.
CONCLUSION: CI survival is limited by inflammatory complications of the pouch based on the underlying disease and not by mechanical limitations of the NV.
TRIAL REGISTRATION NUMBERS: None.
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