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Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery
Published on: February 10, 2023
Predictive factors of biliary complications after bariatric surgery
Julietta Chang1, Ricard Corcelles1, Mena Boules1
1Cleveland Clinic Foundation, Cleveland, Ohio.
Background:
Obesity and rapid weight loss are risk factors for gallstone development. Bariatric surgery and significant postoperative weight loss are associated with postoperative biliary complications.
Objective:
We aim to identify predictive factors of biliary complications after bariatric surgery.
Setting:
University hospital.
Methods:
After Institutional Review Board approval, charts at a single institution were reviewed to identify patients with biliary complications after bariatric surgery from 2005 to 2012. Data collected included baseline patients demographic characteristics, perioperative parameters, and postoperative biliary complications. Parameters were analyzed using paired and unpaired Student t test for continuous variables and χ2 test for categorical variables. Univariate and multivariate analyses were used to assess risk factors for complications after bariatric surgery. All tests were 2 tailed; results with P<.05 were considered statistically significant.
Results:
One hundred thirty-eight (3.6%) of 3765 patients who underwent bariatric surgery developed postoperative biliary complications. Mean time from surgery to biliary complication was 1.8±1.4 years. Complications included acute cholecystitis (18.1%), chronic cholecystitis (70.2%), acute pancreatitis (9.4%), choledocholithiasis (5.7%), and jaundice (2.8%). Interventions were laparoscopic (n = 134, 97.0%) and open (n = 1, .7%) cholecystectomy. Forty patients (28.9%) had known cholelithiasis before surgery. There were no mortalities. Univariate analysis identified female gender, age>50, cholelithiasis at time of bariatric procedure, and Roux-en-Y gastric bypass independent of excess weight loss as predictive factors of biliary complications. Multivariate analysis confirmed advanced age as an independent predictive factor.
Conclusion:
The results of our study suggest that patients of advanced age are at higher risk of biliary complications. However, the indications for prophylactic cholecystectomy at time of bariatric surgery remain unclear.
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