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Postoperative atrial fibrillation and mortality after coronary artery bypass surgery

Rollo P. Villareal, MD^*,*, Ramesh Hariharan, MD, Brant C. Liu, MD, Biswajit Kar, MD, Vei-Vei Lee, MS, MacArthur Elayda, MD, PhD, J. Alberto Lopez, MD, Abdi Rasekh, MD, James M. Wilson, MD and Ali Massumi, MD

^* Sections of Cardiology and Cardiac Electrophysiology, Self Regional Healthcare, Greenwood, South Carolina, USA
Cardiology, Houston, Texas, USA
Cardiac Electrophysiology, Houston, Texas, USA
Biostatistics and Epidemiology, St. Luke's Episcopal Hospital/Texas Heart Institute, Houston, Texas., USA

View larger version (26K): [in a new window]   Figure 1 Study design. AF = atrial fibrillation; CABG = coronary artery bypass graft surgery; THI = Texas Heart Institute.

View larger version (31K): [in a new window]   Figure 2 Actuarial and risk-adjusted in-hospital outcomes. AF = atrial fibrillation; MI = myocardial infarction.

View larger version (19K): [in a new window]   Figure 3 Risk-adjusted survival in all patients (A) including early (<30 days) mortality and (B) excluding early mortality. Note the continual divergence of both curves. AF = atrial fibrillation; OR = odds ratio.

View larger version (16K): [in a new window]   Figure 4 Survival in the case-matched population. Abbreviations as in Figure 3.