• Melissa C Helm, Kathleen Simon, Rana Higgins, Tammy L Kindel, and Jon C Gould.
• Medical College of Wisconsin, Department of Surgery, Division of General Surgery, Milwaukee, WI, USA.
• Am. J. Surg. 2017 Dec 1; 214 (6): 1135-1140.

BackgroundMorbidly obese patients are at increased risk of venous thromboembolism (VTE) following surgery. This study explores the impact of a perioperative complication on the risk of VTE after bariatric surgery.MethodsPatients who underwent bariatric surgery were identified from the American College of Surgeons National Surgical Quality Improvement Program dataset (2012-2014). The 17 most common perioperative complications were analyzed by multivariate regression analysis to determine the effect of complications on the risk of VTE.ResultsThe postoperative incidence of VTE was 0.5% (n = 59,424 bariatric surgeries). The average time to diagnosis of VTE was 11.6 days. 80% of VTE events occurred after discharge. A major complication occurred prior to VTE in 22.6% of patients. The more complications experienced by an individual patient, the more likely they were to experience VTE. Unadjusted thirty-day mortality increased 13.89-fold following VTE (p < 0.0001).ConclusionsPostoperative complications significantly increase the risk of VTE following bariatric surgery.Copyright © 2017 Elsevier Inc. All rights reserved.

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