Methods of Colostomy Construction: No Effect on Parastomal Hernia Rate: Results from Stoma-const-A Randomized Controlled Trial

Adiela Correa Marinez, David Bock, Sofia Erestam, Anette Engström, Peter Kälebo, Yousef Wirenfeldt Nielsen, Jacob Rosenberg, Eva Haglind, Eva Angenete

Abstract

OBJECTIVE: The primary objective of this trial was to compare the parastomal hernia rates 1 year after the construction of an end colostomy by 3 surgical techniques: cruciate incision, circular incision in the fascia and using prophylactic mesh. Secondary objectives were evaluation of postoperative complications, readmissions/reoperations, and risk factors for parastomal hernia.

SUMMARY OF BACKGROUND DATA: Colostomy construction techniques have been explored with the aim to improve function and reduce stoma complications, but parastomal herniation is frequent with an incidence of approximately 50%.

METHODS: A randomized, multicenter trial was performed in 3 hospitals in Sweden and Denmark; all patients scheduled to receive an end colostomy were asked to participate. Parastomal hernia within 12 months was determined by computed tomography of the abdomen in prone position and by clinical assessment. Complications, readmissions, reoperations, and risk factors were also assessed.

RESULTS: Two hundred nine patients were randomized to 1 of the 3 arms of the study. Patient demographics were similar in all 3 groups. Assessment of parastomal hernia was possible in 185 patients. The risk ratio (95% confidence interval) for parastomal hernia was 1.25 (0.83; 1.88), and 1.22 (0.81; 1.84) between cruciate versus circular and cruciate versus mesh groups, respectively. There were no statistically significant differences between the groups with regard to parastomal hernia rate. Age and body mass index were found to be associated with development of a parastomal hernia.

CONCLUSION: We found no significant differences in the rates of parastomal hernia within 12 months of index surgery between the 3 surgical techniques of colostomy construction.

OriginalsprogEngelsk
TidsskriftAnnals of Surgery
Vol/bind273
Udgave nummer4
Sider (fra-til)640-647
Antal sider8
ISSN0003-4932
DOI
StatusUdgivet - 1 apr. 2021

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