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Risk factors for early postoperative complications after bariatric surgery

Annals of Surgical Treatment and Research 2018년 95권 2호 p.100 ~ 110
KMID : 0371420180950020100
 ( Husain Farah ) - Oregon Health and Science University Department of Surgery

 ( Jeong In-Ho ) - Jeju National University School of Medicine Department of Surgery
 ( Spight Donn ) - Oregon Health and Science University Department of Surgery
 ( Wolfe Bruce ) - Oregon Health and Science University Department of Surgery
 ( Mattar Samer G ) - Oregon Health and Science University Department of Surgery

Abstract

Purpose: Vertical sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) are currently the most common bariatric procedures. Although the safety of these operations has markedly improved, there continues to be a certain rate of complications. Such adverse events can have a significant deleterious effect on the outcome of these procedures and represent a costly burden on patients and society at large. A better understanding of these complications and their predictive factors may help ameliorate and optimize outcomes.

Methods: Seven hundred seventy-two consecutive patients who underwent SG or RYGB for morbid obesity between January 2011 and October 2015, in the Division of Bariatric Surgery at a tertiary institution, were included through retrospective review of the medical database. The complications were categorized and evaluated according to severity using the Clavien-Dindo classification system. Significant risk factors were evaluated by binary logistic regression to identify independent predictors and analyzed to identify their relationship with the type of complication.

Results: Independent predictors of severe complication after these procedures included male gender, open and revisional surgery, hypertension, and hypoalbuminemia. Hypoalbuminemia had significant associations with occurrence of deep surgical site infection and leak. Open surgery had significant associations with occurrence of superficial and deep surgical site infection and respiratory complications. Independent predictors of severe complication after laparoscopic primary RYGB included previous abdominal surgery. Previous abdominal surgery had significant associations with deep surgical site infection and leak.

Conclusion: Recognition and optimization of these risk factors would be valuable in operative risk prediction before bariatric surgery.
KeyWords

Bariatric surgery, Gastric bypass, Postoperative complications
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