• Jennifer Blumetti, Vivek Chaudhry, Jose R Cintron, John J Park, Slawomir Marecik, Jacqueline L Harrison, Leela M Prasad, and Herand Abcarian.
• Division of Colon and Rectal Surgery, Stroger Hospital of Cook County, 1900 W. Polk Street, Room 404, Chicago, IL, 60612, USA, jblumetti5@gmail.com.
• World J Surg. 2014 Apr 1;38(4):985-91.

BackgroundAnastomotic leak is a dreaded surgical complication that can lead to significant morbidity and mortality. Despite its prevalence, there is no consensus on the management of anastomotic leak. This study aimed to review the management of anastomotic leak in the Division of Colon and Rectal Surgery at two institutions.MethodsThis is a retrospective review of all anastomotic leaks occurring after surgery in the Division of Colon and Rectal Surgery at two teaching institutions during 1997-2008.ResultsAltogether, 103 leaks occurred in 1,707 anastomoses (6 %), with a median time to diagnosis of 20 days (2-1,400 days). The 90-day mortality rate was 3 %. The majority of cases were managed nonoperatively (73 %), and the majority of leaks were from an extraperitoneal anastomosis (67 %). Success (i.e., radiographic demonstration of a healed leak, restored gastrointestinal continuity) occurred in 54 % of operatively managed leaks and 57 % of nonoperatively managed leaks (56 % overall). Operative management differed by leak location. In 91 % of patients with intraperitoneal leaks, the anastomosis was resected. In 76 % of patients with extraperitoneal leaks, diversion and drainage alone was performed without manipulating the anastomosis. Nonoperative management was successful for 57 % of extraperitoneal leaks and 58 % of intraperitoneal leaks. There was no significant difference in the success rates based on type of management (operative/nonoperative) for either extraperitoneal or intraperitoneal leaks.ConclusionsAnastomotic leak continues to result in patient morbidity and mortality. Its diverse presentation requires tailoring management to the patient. Nonoperative and operative treatments are viable options for intraperitoneal and extraperitoneal leaks based on patient presentation.

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