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Effect of Obesity on Coronary Collateral Vessel Development in Patients with Coronary Artery Disease

Ersan Tatl, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey, ersantatli{at}hotmail.com

Mustafa Yildiz, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Çetin Gül, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Atilla Birsin, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Erhan Karahasanoglu, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Fatih Özçelik, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

Gültaç Özbay, MD

Department of Cardiology, School of Medicine, Trakya University, Edirne, Turkey

The purpose of this study was to compare coronary collateral circulation and with other risk factors in patients with coronary artery disease and different body mass index. Between January 1999 and December 2001, of 867 patients who underwent angiography for the first time, 90 patients (24 women and 66 men), with occlusion in only 1 coronary artery participated in the study. Information regarding age, body mass index, sex, smoking, hypertension, diabetes mellitus, hyperlipidemia, preinfarction angina, and use of oral beta blockers and nitrates were recorded for all patients. The patients were separated into 2 groups in accordance with development of their coronary collateral circulation; those with insufficient (Rentrop 0, 1, and 2) and those with sufficient coronary collateral circulation. They were also divided into 3 groups on the basis of body mass index as follows: (I) 18.0-24.9 kg/m², (II) 25.0-29.9 kg/m², and (III) more than 30 kg/m². In the obesity and overweight groups, hyperlipidemia, diabetes mellitus, and nitrate use were identified more frequently than in the other groups (p<0.05). Use of oral nitrates more than 6 months before the myocardial infarction and existence of preinfarction angina affected collateral coronary vessel development in the positive direction (p=0.01, p=0.03, respectively). There was no correlation between coronary artery disease and coronary collateral vessel development in the obese patients (p=0.6). Although it has been shown that coronary collateral vessel development was affected negatively in obese patients with coronary artery disease, no statistical significance was identified.

Angiology, Vol. 56, No. 6, 657-661 (2005)
DOI: 10.1177/000331970505600602


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