Association of high-density lipoprotein and myocardial infarction: a cross sectional study

Siraveni Thirupathi, Chinnaiyan P., Sujeetha Chandrababu


Background: There is substantial evidence illustrating a negative relationship between High Density Lipoprotein Cholesterol (HDL-C) to Coronary Artery Disease (CAD) progression. HDL concept can be put forward as a new concept in the field of cardiovascular research. The objective of this study was to carry out to observe the status of serum HDL-C level in Coronary Artery Disease patients and the impact of the level in them.

Methods: It was a hospital based cross sectional observational study among 60 patients of acute myocardial infarction (MI) who were admitted in Medical intensive care unit. High density lipoprotein cholesterol (HDL-C) was determined using standard methods.

Results: The study showed that 52 (86.7%) of study subjects had abnormal HDL-C level and 39 (65%) of subjects had abnormal CRP level. There is a negative correlation between HDL and other biochemical variables like LDL, LDL/HDL and CRP, i.e. as HDL decreases all the variables increase which is statistically significant. Majority of patients 52 (86.7%) with MI had abnormal HDL-C level which was not statistically significant.

Conclusions: Numerous studies showing evidence that high levels of HDL-Cholesterol associated with a lower risk of Coronary heart disease. This study showed that there is a low HDL-C level among coronary artery disease patient. The relationship between HDL and CAD proved to be an inverse one which caters the need to concentrate further on HDL.


Coronary artery diseases, Cross sectional study, HDL

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