Bariatric Surgery Did Not Increase the Risk of Gallstone Disease in Obese Patients: a Comprehensive Cohort Study

Purpose The aim of this study was to evaluate the influence of bariatric surgery on gallstone disease in obese patients. Materials and Methods This large cohort retrospective study was conducted based on the Taiwan National Health Insurance Research Database. All patients 18–55 years of age with a d...

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Bibliographic Details
Published in:Obesity surgery 2019-02, Vol.29 (2), p.464-473
Main Authors: Chen, Jian-Han, Tsai, Ming-Shian, Chen, Chung-Yen, Lee, Hui-Ming, Cheng, Chi-Fu, Chiu, Yu-Ting, Yin, Wen-Yao, Lee, Cheng-Hung
Format: Article
Language:English
Subjects:
Adolescent
Adult
Bariatric Surgery - adverse effects
Bariatric Surgery - statistics & numerical data
Cohort analysis
Fish oils
Gallstones
Gallstones - complications
Gallstones - epidemiology
Gastrointestinal surgery
Humans
Medicine
Medicine & Public Health
Middle Aged
Obesity - surgery
Original Contributions
Population
Postoperative Complications - epidemiology
Retrospective Studies
Risk Factors
Surgery
Taiwan
Young Adult
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Summary:Purpose The aim of this study was to evaluate the influence of bariatric surgery on gallstone disease in obese patients. Materials and Methods This large cohort retrospective study was conducted based on the Taiwan National Health Insurance Research Database. All patients 18–55 years of age with a diagnosis code for obesity (ICD-9-CM codes 278.00–278.02 or 278.1) between 2003 and 2010 were included. Patients with a history of gallstone disease and hepatic malignancies were excluded. The patients were divided into non-surgical and bariatric surgery groups. Obesity surgery was defined by ICD-9-OP codes. We also enrolled healthy civilians as the general population. The primary end point was defined as re-hospitalization with a diagnosis of gallstone disease after the index hospitalization. All patients were followed until the end of 2013, a biliary complication occurred, or death. Results Two thousand three hundred seventeen patients in the bariatric surgery group, 2331 patients in the non-surgical group, and 8162 patients in the general population were included. Compared to the non-surgery group (2.79%), bariatric surgery (2.89%) did not elevate the risk of subsequent biliary events (HR = 1.075, p  = 0.679). Compared to the general population (1.15%), bariatric surgery group had a significantly higher risk (HR = 4.996, p  
ISSN:0960-8923
1708-0428
DOI:10.1007/s11695-018-3532-1