Abstract
The objective of this study was to evaluate the effect of leisure-time physical activity (LTPA) in the early outcome of coronary artery bypass graft surgery (CABG). This prospective cohort study analyzed 202 patients submitted to CABG. The patients were assigned to two groups, active or sedentary, according to the practice of LTPA in the preoperative period. The independent variable LTPA practiced by the patients in the previous year of the surgery was evaluated. The occurrence of the major adverse cardiac events as death, acute myocardial infarction, reoperation and the hospital stay after surgery were planned to be evaluated. The mean age of patients was 62 +/- 10 years, and 134 (66%) were men. Sixty-six (33%) patients practiced LTPA and were classified as active, and 136 (67%) were sedentary. The active group showed 78% less probability (OR= 0.22; CI 95%: 0.09-0.51) to suffer a MACE P<0.001 and a reduction of 33% in length of hospital stay as compared for sedentary patients (HR= 0.67; IC 95%: 0.49 - 0.93). P= 0.018. LTPA is an important predictor of major adverse cardiac events and hospital stay.
Highlights
There is strong evidence showing that physical activity is beneficial in primary and secondary prevention of cardiovascular disease and general health [1,2,3,4,5]
Ethical aspects The study was approved by the Ethics and Scientific Committee of the Institute of Cardiology of Rio Grande do Sul (IC / RS), Hospital de Clinicas de Porto Alegre (HCPA) and Santa Casa de Misericórdia de Porto Alegre (SCMPOA) and written informed consent from the patiets was obtained
The results of habitual physical activity questionnaire of Baecke and 6MWT demonstrated rates significantly higher among patients active when compared to sedentary ones (Table 4), reinforcing the initial classification of patients
Summary
There is strong evidence showing that physical activity is beneficial in primary and secondary prevention of cardiovascular disease and general health [1,2,3,4,5]. Physical activity has been incorporated into the treatment of patients with cardiovascular disease [6,7]. Physical activity is any bodily movement produced as a result of muscle contraction that results in caloric expenditure. Physical activity during leisure time (LTPA) is a wide range of activities based on personal interest and needs. These activities include formal exercise programs as well as walking, sports, dancing, gardening, among others. The common element is that these activities result in an energy expenditure, the intensity and duration may vary considerably [11]
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