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Australas Phys Eng Sci Med. 2016 Dec;39(4):1007-1027. doi: 10.1007/s13246-016-0471-9. Epub 2016 Nov 10.

Investigating the differences of body mass index and waist circumference in the follow-up assessment of patients to cardiac rehabilitation with acute coronary syndrome.

Author information

1
Department of Cardiology, Guangzhou General Hospital, Guangzhou, 510010, Guangdong, China.
2
Department of Guangdong Online Hospital, Guangdong No. 2 Provincial People's Hospital, Guangzhou, 510317, Guangdong, China.
3
Department of Cardiology, Guangzhou General Hospital, Guangzhou, 510010, Guangdong, China. xxgnk_xlin@126.com.
4
Department of Cardiology, Guangzhou General Hospital, Guangzhou, 510010, Guangdong, China. xxgnkqj@yeah.net.

Abstract

Obesity management is a key point during cardiac rehabilitation. The effect of new index, waist circumference (WC), in the obesity management of cardiac rehabilitation is not clear yet. Therefore, our study compared the WC index to the body mass index (BMI) in the evaluation of obesity management for the patients with acute coronary syndrome (ACS) in a well-designed cardiac rehabilitation program (CRP). Totally 61 patients were enrolled into our study between October 2013 and January 2014 in our hospital. All these patients were requested to participate in the CRP actively for 6 months. We collected the BMI, WC, vital signs, fasting blood levels, the results from a sub-maximal exercise treadmill test (ETT) and ultrasonic cardiogram (UCG) through a follow-up visit conducted every 1, 3, and 6 months. We used two-tailed Pearson's test and linear regression to analyze the data from our experiment. Our results show that the grouping of obese individuals based on the WC results in the WC being significantly associated with high-density lipoprotein cholesterol (HDL_C), inter-ventricular septal thickness at diastole (IVSd) and left ventricular posterior wall at diastole (LVPwd) after 1 and 3 months of the CRP (HDL_C after1 month of CRP: r = -0.292, P = 0.022; HDL_C after 3 months of CRP: r = -0.289, P = 0.024; IVSd after1 month of CRP: r = 0.451, P = 0.004; IVSd after 3 months of CRP: r = 0.304, P = 0.035; LVPwd after1 month of CRP: r = 0.468, P = 0.002; LVPwd after 3 months of CRP: r = 0.290, P = 0.045). However, no similar regular associations were found when obesity was stratified using the BMI. In other words, WC could be better than the BMI for reflecting the cardiac status. In conclusion, obesity management using WC can benefit the clinical evaluation, diagnosis, treatment, prevention, and prognosis of obese individuals of ACS when participating in the CRP.

KEYWORDS:

Acute coronary syndrome; Body mass index; Cardiac rehabilitation; Follow-up; Obesity; Waist circumference

PMID:
27832460
DOI:
10.1007/s13246-016-0471-9
[Indexed for MEDLINE]

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