Volume 4, Number 1 (17 2004)                   ijdld 2004, 4(1): 91-98 | Back to browse issues page


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Alidousti M, Davoodi G. CORRELATION OF BODY MASS INDEX (BMI) AND WAIST-TO-HIP RATIO WITH RISK OF ACUTE MYOCARDIAL INFARCTION. ijdld. 2004; 4 (1) :91-98
URL: http://ijdld.tums.ac.ir/article-1-432-en.html

Abstract:   (6395 Views)
Background: Obesity is associated with many metabolic and cardiovascular diseases, for example, a direct and indirect relation has been established between obesity and diabetes, dyslipidemia, hypertension and atherosclerosis. But whether regional fat distribution contributes independently to risk remained unclear. This study was designed to determine relation between central obesity and acute myocardial infarction (AMI).
Methods: In this case-control study, body mass index (BMI) and waist to hip ratio (WHR) were calculated in 420 participants (140 cases and 280 controls). BMI and WHR means were evaluated in subgroups according to age, sex and cardiac risk factors. Odds ratio (95% CI) of the MI incidence in obese participants (BMI≥27 and/or WHR≥0.85) were compared with non obese subjects in each subgroups.
Results: Mean BMI mean in the case group (27.9±4.9) was more than control group (25.8±4.9) P≤0.05). The obese individuals had more chance of AMI (OR=3.2 CI=3-3.3). This chance increased with central obesity (OR=3.4 CI=3.2-3.6). Risk of AMI in younger obese participants (OR=4.3 CI=2.8-6.8) was more frequent than older ones (OR=2.1 CI=1.7-2.4). Central obesity increased risk of AMI in women (OR=3.6 CI=3.1-4.4) more than men (OR=2.2 CI=1.7-2.5).The excess risk of AMI in obese participants in associated with major cardiac risk factors was as following: hypertension (OR=18.4 CI=9.8-22.1), diabetes (OR=9 CI=4.2-14.1), hyperlipidemia (OR=6 CI=2.1-8.4), positive familial history (OR=2.6 CI=2.1-3.4) and smoking (OR=1.2 CI=0.9-1.7).
Conclusion: There is a strong association between BMI, WHR and risk of AMI. Central obesity comparing with general obesity has stronger relation with AMI incidence especially in women and younger subjects. In addition, cardiac risk factors except smoking aggravated correlation between obesity and AMI.
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Type of Study: Research | Subject: General
Received: 2005/01/24 | Accepted: 2005/03/8 | Published: 2013/09/19

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