The impact of obesity on cardiac surgery outcomes

Journal of Cardiac Surgery
Patrick R VargoEdward G Soltesz

Abstract

A survival benefit for obese patients has been observed in various medical and surgical populations. We examined the effect of obesity on outcomes after cardiac surgery from a large national database. A total of 6 648 334 adult patients were identified from the Nationwide Inpatient Sample who underwent cardiac surgery between 1998 and 2011, of who 598 450 were obese. Multivariable regression analysis and propensity score matching were used for comparisons of outcomes and costs. In-hospital mortality was 2.0% for obese patients versus 2.3% for non-obese patients (odds ratio [OR] 0.89, 95% confidence interval [CI] 0.84, 0.94). Obese patients were at increased risk for acute renal failure (OR, 1.20; CI, 1.16, 1.23) and wound infection (OR, 1.29; CI, 1.18, 1.40), but less likely to require blood transfusion (OR, 0.96; CI, 0.94, 0.98). Mean length of stay was the same (8.7 days), with greater mean total charges for obese patients ($103 645 vs $101 763, P < 0.001). Obesity is associated with lower in-hospital mortality rates, but a higher incidence of acute renal failure and wound infections.

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Citations

Sep 4, 2018·Journal of Cardiac Surgery·Harold L Lazar
Dec 22, 2020·Journal of Cardiac Surgery·Elisa MikusAlberto Albertini
Jan 9, 2021·Journal of Cardiothoracic and Vascular Anesthesia·Quynh NguyenWing Lam
Oct 22, 2019·Experimental and Clinical Endocrinology & Diabetes : Official Journal, German Society of Endocrinology [and] German Diabetes Association·Lu Liu, Xiaohua Li
Feb 20, 2021·Journal of the American Society of Nephrology : JASN·Allon N FriedmanPhilip R Schauer
Jan 12, 2020·The Journal of Thoracic and Cardiovascular Surgery·Daniel J P BurnsHunaid A Vohra
Jun 21, 2021·Journal of Cardiac Surgery·Sahin SenayCem Alhan
Aug 11, 2021·International Journal of Obesity : Journal of the International Association for the Study of Obesity·Ryaan El-AndariJeevan Nagendran
Mar 11, 2021·The Annals of Thoracic Surgery·Young-Ji SeoPeyman Benharash

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