Predicting risk for venous thromboembolism with bariatric surgery: results from the Michigan Bariatric Surgery Collaborative

Annals of Surgery
Jonathan F FinksCenter for Healthcare Outcomes and Policy

Abstract

We sought to identify risk factors for venous thromboembolism (VTE) among patients undergoing bariatric surgery in Michigan. VTE remains a major source of morbidity and mortality after bariatric surgery. It is unclear which factors should be used to identify patients at high risk for VTE. The Michigan Bariatric Surgery Collaborative maintains a prospective clinical registry of bariatric surgery patients. For this study, we identified all patients undergoing primary bariatric surgery between June 2006 and April 2011 and determined rates of VTE. Potential risk factors for VTE were analyzed using a hierarchical logistic regression model, accounting for clustering of patients within hospitals. Significant risk factors were used to develop a risk calculator for development of VTE after bariatric surgery. Among 27,818 patients who underwent bariatric surgery during the study period, 93 patients (0.33%) experienced a VTE complication, including 51 patents with pulmonary embolism. There were 8 associated deaths. Significant risk factors included previous history of VTE (OR 4.15, CI 2.42-7.08); male gender (OR 2.08, CI 1.36-3.19); operative time more than 3 hours (OR 1.86, CI 1.07-3.24); BMI category (per 10 units) (OR 1.37, CI 1.06-1.7...Continue Reading

References

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Citations

Mar 16, 2012·Journal of Thrombosis and Thrombolysis·Geoffrey D BarnesDavid Share
Feb 14, 2013·Obesity Surgery·Paul D Stein, Fadi Matta
Feb 18, 2014·Journal of Thrombosis and Thrombolysis·Zachariah ThomasWendy Bennett
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Jul 30, 2014·Hand Clinics·Jennifer F Waljee, Nancy J O Birkmeyer
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Mar 28, 2017·Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery·John A PrimomoChristina Morrison
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Jun 28, 2015·Journal of Intensive Care Medicine·Bipan Chand, Pornthep Prathanvanich
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Feb 18, 2020·Obesity Surgery·Alirio de MeirelesAmir A Ghaferi
Jan 20, 2021·Obesity Surgery·Ahmed M Al-MazrouCheguevara Afaneh
Jul 3, 2020·International Journal of Surgery Protocols·Walid El AnsariAyman El-Menyar

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