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Original Article

Med Arch. 2015; 69(6): 396-399


Differences Among Body Mass Index (BMI) Groups in Patients Undergoing First Elective Percutaneous Coronary Intervention

Leonard Simoni, Ervina Shirka, Endri Hasimi, Suerta Kabili, Artan Goda.

Abstract
Background and purpose: Body Mass Index (BMI) is known to be an independent risk factor for hypertension, type 2 diabetes mellitus, dyslipidemia and various cardiovascular diseases. Our aim was to investigate the differences among BMI groups in patients undergoing first elective PCI. Methods: 781 consecutive patients who underwent their first-time elective PCI from September 2011 to December 2013 in the Department of Cardiology were enrolled in the study. The patients with BMI < 18.5 kg/m2 or > 50 kg/m2 and those who had previously undergone revascularization were excluded from the study. Patients were categorized according to their BMI groups. BMI 18.5 - 24.9 kg/m2 normal group, 25 - 29.9 kg/m2 overweight group and > 30 kg/m2 obese group. We studied the demographic, angiographic, and interventional differences between BMI groups. Results: Compared with normal weight individuals, those obese were younger (61.9 10.34 vs. 58.41 8.01 p = 0.0006), had higher prevalence of diabetes mellitus (46.4% vs. 26.6% p = 0.0001), dyslipidemia (77.5% vs. 65.4% p=0.0134) and hypertension (1.3% vs. 81.3% p=0.0067). There was a greater use of calcium channel blockers (CCBs) and Angiotensin Enzyme Inhibitors (ACEIs)/Angiotensin Receptor Blockers (ARBs) in obese individuals but it was not statistically significant. Obese individuals were associated with higher risk anatomy (3-Vessel CAD or LM) compared to normal individuals but not statistically significant (18.8% vs. 14.2% p=0.25). Obese patients were associated with a higher length of stents/person used (36.7 22.02 vs. 31.7 17.48 p=0.016) and also a larger diameter of stents/person used (3.14 0.4 vs. 2.98 0.33 p=0.0001) compared to normal individuals. Conclusions: Patients with a higher BMI are younger and have diabetes mellitus, hypertension and dyslipidemia more frequently. Patients with a higher BMI have a higher length and larger diameter of stents/person used, probably related to a more extensive coronary artery disease.

Key words: Body mass index, percutaneous coronary intervention, diabetes mellitus, hypertension, dyslipidemia.


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