The role of endoscopic stents in the management of chronic anastomotic and staple line leaks and chronic strictures after bariatric surgery |
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| Institution: | 1. Department of Surgery, Division of Gastroenterologic and General Surgery, Mayo Clinic, Rochester, Minnesota;2. Department of Medicine, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota;1. Division of Advanced Laparoscopic, Gastrointestinal and Endocrine Surgery, Department of Surgery, East Carolina University, Greenville, North Carolina;2. Division of Minimally Invasive Surgery, Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire;1. Endocrine, Metabolic and Bariatric Unit, General Surgery Department, Vall d’Hebron University Hospital, Universitat Autònoma de Barcelona, Center of Excellence for the EAC-BC, Barcelona, Spain;2. Division of Bariatric Surgery, AZ St-Blasius, Dendermonde, Belgium;1. Department of Digestive Surgery, Amiens University Hospital, Avenue René Laennec, F-80054 Amiens cedex 01, France;2. EA4294, Jules Verne University of Picardie, F-80054 Amiens, France;3. Clinical Research Center, Amiens University Hospital, Avenue René Laennec, F-80054 Amiens cedex 01, France |
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| Abstract: | BackgroundThe use of endoluminal stents has been proposed for the management of fistulas and anastomotic strictures after bariatric surgery. The objective of our study was to determine the success of endoscopically placed, self-expandable metal stents (SEMS) in bariatric patients specifically with either chronic persistent anastomotic or staple line leaks/fistulas or chronic, persistent anastomotic strictures.MethodsWe treated 21 patients including 5 with chronic staple line leaks/fistulas (4 from the gastric sleeve after biliopancreatic diversion with duodenal switch BPD/DS] and 1 after removal of an eroding laparoscopic adjustable gastric band) and 16 with chronic anastomotic strictures (15 at the gastrojejunostomy after Roux-en-Y gastric bypass and 1 at the duodenoileal anastomosis after BPD/DS). Patients with early leaks or anastomotic strictures were excluded.ResultsAll but one of these patients had been referred to our institution after chronic treatment elsewhere was unsuccessful with prior stent placement for fistulas or multiple endoscopic dilations for strictures. Their bariatric operations had been performed a mean of 386 days beforehand. Stent placement was performed successfully in all patients without complications but was successful in only 4 of 21 patients (19%)—2 with chronic fistulas and 2 with chronic anastomotic strictures. Stent migration occurred in 10 patients (47%); the migrated stents were removed/replaced endoscopically in 7 patients but required elective operative removal in 3 with concomitant correction of the leak, fistula, or anastomotic stricture; none were operated emergently.ConclusionOnly 4 of 21 patients with a chronic persistent leak or anastomotic stricture were treated definitively using a SEMS. Although endoluminal stents may not lead to resolution of a chronic leak or stricture, SEMS may suppress ongoing sepsis and allow patients to undergo nutritional resuscitation orally before operative correction. |
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| Keywords: | Self-expandable metal stents Anastomotic strictures Staple line leaks Anastomotic leaks Roux-en-Y gastric bypass Sleeve gastrectomy |
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