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Letters
July 6, 2011

Myocardial Enzyme Levels and Mortality After Coronary Artery Bypass Graft Surgery

Author Affiliations

Author Affiliation: Division of Cardiovascular Surgery, University of Toronto, Toronto, Ontario, Canada (khaled.algarni@utoronto.ca).

JAMA. 2011;306(1):39-40. doi:10.1001/jama.2011.895

To the Editor: In their study, Dr Domanski and colleagues demonstrated that myocardial necrosis, as measured by CK-MB or troponin elevation in the first 24 hours following CABG surgery, was associated with increased mortality.1 Among other covariates in their multivariable model, CK-MB ratio was the strongest predictor of 30-day mortality following CABG surgery.

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