• Ann. Thorac. Surg. · Sep 2013

    Review Meta Analysis Comparative Study

    Association between obesity and postoperative atrial fibrillation in patients undergoing cardiac operations: a systematic review and meta-analysis.

    • Adrian V Hernandez, Roop Kaw, Vinay Pasupuleti, Pouya Bina, John P A Ioannidis, Hector Bueno, Eric Boersma, Marc Gillinov, and Cardiovascular Meta-Analyses Research Group.
    • Postgraduate School, Universidad Peruana de Ciencias Aplicadas (UPC), Lima, Peru. adrianhernandezdiaz@gmail.com
    • Ann. Thorac. Surg. 2013 Sep 1; 96 (3): 1104-16.

    AbstractIn a systematic review and random-effects meta-analysis, we evaluated whether obesity is associated with postoperative atrial fibrillation (POAF) in patients undergoing cardiac operations. We selected 18 observational studies until December 2011 that excluded patients with preoperative AF (n=36,147). Obese patients had a modest higher risk of POAF compared with nonobese (odds ratio, 1.12; 95% confidence interval, 1.04 to 1.21; p=0.002). The association between obesity and POAF did not vary substantially by type of cardiac operation, study design, or year of publication. POAF was significantly associated with a higher risk of stroke, respiratory failure, and operative death.Copyright © 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.

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