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A Journal on Heart and Vascular Diseases
Official Journal of the Italian Society of Angiology and Vascular Pathology
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,752
Minerva Cardioangiologica 2011 April;59(2):139-47
Assessment of insulin resistance,dyslipidemia and inflammatory response in North Indian male patients with angiographically proven coronary artery disease
Goswami B. 1, Tayal D. 1, Tyagi S. 2, Mallika V. 3 ✉
1 Department of Biochemistry, Lady Hardinge Medical College, New Delhi, India;
2 Department of Cardiology, G. B. Pant Hospital, New Delhi, India;
3 Department of Biochemistry, G. B. Pant Hospital, New Delhi, India
AIM: Coronary artery disease (CAD) is a leading cause of morbidity and mortality in the developed world and is rapidly assuming epidemic proportions in developing countries, including India. Extensive research has proven the role of multiple etiologies such as dyslipidemia, inflammation, endothelial dysfunction and insulin resistance in the pathogenesis of CAD. The following study was undertaken to determine a possible inter-relationship between insulin resistance, inflammation and dyslipidemia, which are important risk factors for CAD in the atherosclerosis-prone north Indian male population.
METHODS: The present study was conducted in 100 patients of myocardial infarction diagnosed on electrocardiographic and biochemical criteria, who subsequently underwent coronary angiography and 100 age matched healthy controls. The parameters that were evaluated include lipid profile, hsCRP, apolipoprotein B, insulin levels and HOMA-IR.
RESULTS: Significantly higher serum levels of cholesterol, triglycerides, LDL and apolipoprotein B was observed in the patients as compared to the controls. On further classification, the dyslipidemia was marked in the patients with triple vessel disease as compared to single and double vessel disease. Similar pattern was observed for insulin resistance and CRP. Upon plotting the ROC curves, hsCRP emerged as the strongest predictor for CAD followed by apolipoprotein B. A significantly positive correlation was discerned between apolipoprotein B, CRP and HOMA-IR.
CONCLUSION: The present study illustrates interplay between insulin resistance, inflammation and dyslipidemia in the CAD prone north Indian population. It also highlights the superiority of hs CRP in risk stratification of patients with angiographically proven CAD.