Effect of Cardiorespiratory Fitness on Short-Term Morbidity and Mortality After Coronary Artery Bypass Grafting

Although preoperative risk assessment for coronary artery bypass grafting (CABG) has been evaluated with multiple predictive models, none have incorporated a low level of cardiorespiratory fitness, which represents one of the strongest predictors of all-cause and cardiovascular mortality in subjects...

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Bibliographic Details
Published in:The American journal of cardiology 2013-10, Vol.112 (8), p.1104-1109
Main Authors: Smith, James L., MD, Verrill, Thomas A., MD, Boura, Judy A., MS, Sakwa, Marc P., MD, Shannon, Francis L., MD, Franklin, Barry A., PhD
Format: Article
Language:English
Subjects:
Aged
Cardiovascular
Cardiovascular disease
Cause of Death - trends
Coronary Artery Bypass
Exercise
Exercise Test
Female
Follow-Up Studies
Health Status
Heart attacks
Humans
Male
Michigan - epidemiology
Middle Aged
Morbidity - trends
Mortality
Myocardial Ischemia - mortality
Myocardial Ischemia - surgery
Physical Fitness - physiology
Postoperative Complications - epidemiology
Preoperative Period
Prognosis
Retrospective Studies
Risk Assessment - methods
Risk Factors
Time Factors
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Summary:Although preoperative risk assessment for coronary artery bypass grafting (CABG) has been evaluated with multiple predictive models, none have incorporated a low level of cardiorespiratory fitness, which represents one of the strongest predictors of all-cause and cardiovascular mortality in subjects with and without heart disease. The aim of the present study was to evaluate preoperative cardiorespiratory fitness, expressed as METs (1 MET = 3.5 ml O2 /kg/min), and short-term morbidity and mortality after CABG. The Society of Thoracic Surgeons database was queried for patients who underwent CABG from January 2002 to December 2010 at Beaumont Health Systems. Electronic medical records were reviewed for peak or symptom-limited exercise testing
ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2013.05.057