Association of Body Mass Index with Angiographic Severity of Coronary Artery Disease in Patients with Acute ST- Segment Elevation Myocardial Infarction

Background: This study evaluated the association of body mass index (BMI) and angiographic
severity of coronary artery disease in patients with acute ST segment elevation myocardial infarction
(STEMI).
Methods: Data were analyzed from 100 acute STEMI patients who underwent coronary angiogram.
The patients were grouped based on BMI; those with normal BMI, 18.5- 24.9 kg/m2
(group I) and
those with increased BMI, >25 kg/m2
(group II). Each group contained 50 patients. Angiographic
severity of the three groups was compared and the relation between BMI and angiographic severity
was assessed.
Results: The mean BMI of subjects with normal angiographic findings was 20.81 ± 1.03 kg/m2
. The
mean BMI of single, double and triple vessel disease were 23.85 ± 2.24, 24.25 ± 2.41 and 32.06 ± 7.86
kg/m2
respectively. The number of vessel involvement increased in proportion with increased BMI
and the differences were statistically significant (p=0.001).
Conclusion: Increased BMI is associated with angiographic severity of coronary artery disease in
patients with acute ST-segment elevation myocardial infarction.