Ann Rehabil Med.  2016 Oct;40(5):924-932. 10.5535/arm.2016.40.5.924.

Comparison of the Effects of Cardiac Rehabilitation Between Obese and Non-obese Patients After Acute Myocardial Infarction

• Lim SK
• Han JY
• Choe YR

• KMID: 2382925
• DOI: http://doi.org/10.5535/arm.2016.40.5.924

Abstract

OBJECTIVE
To evaluate the effects of cardiac rehabilitation (CR) on functional capacity in obese and non-obese patients who have suffered acute myocardial infarction (AMI).
METHODS
Overall, 359 patients who have suffered AMI, and were referred for CR after percutaneous coronary intervention from 2010 to 2015 and underwent an exercise tolerance test before and after phase II CR were included in this study. The patients were divided into two groups: obese group with body mass index (BMI) ≥25 kg/m² (n=170; age, 54.32±9.98 years; BMI, 27.52±2.92 kg/m²) and non-obese group with BMI <25 kg/m² (n=189; age, 59.12±11.50 years; BMI 22.86±2.01 kg/m²). The demographic characteristics and cardiopulmonary exercise capacity of all patients were analyzed before and after CR.
RESULTS
There were significant changes in resting heart rate (HR(rest)) before and after CR between the obese and non-obese groups (before CR, p=0.028; after CR, p=0.046), but other cardiopulmonary exercise capacity before and after CR was not different between the groups. HR(rest) (p<0.001), maximal metabolic equivalents (METs, p<0.001), total exercise duration (TED, p<0.001), and maximal oxygen consumption (VO(2max), p<0.001) improved significantly in the obese and non-obese groups after CR. No difference in the change in the cardiopulmonary exercise capacity rate was detected between the groups.
CONCLUSION
CR may improve functional capacity in patients who suffered AMI regardless of their obesity.

Keyword

Obesity; Myocardial infarction; Rehabilitation; Exercise test

MeSH Terms

Body Mass Index
Exercise Test
Exercise Tolerance
Heart Rate
Humans
Metabolic Equivalent
Myocardial Infarction*
Obesity
Oxygen Consumption
Percutaneous Coronary Intervention
Rehabilitation*

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