Association of serum C-reactive protein and LDL:HDL with myocardial infarction

Bibi Kulsoom1, S Hasnain Nazrul

  • 1Department of Biochemistry, Ziauddin Medical University and Hospital, Karachi.

Insights

High C-Reactive Protein (CRP) levels, not LDL:HDL ratios, are linked to first myocardial infarction in patients. This study highlights CRP as a significant atherosclerosis risk marker in cardiovascular disease.

Area of Science:

  • Cardiovascular Medicine
  • Biochemistry
  • Epidemiology

Background:

  • Atherosclerosis is a leading cause of myocardial infarction (MI).
  • Identifying early risk markers is crucial for cardiovascular disease (CVD) prevention.
  • C-Reactive Protein (CRP) and lipid profiles (LDL:HDL ratio) are established atherosclerosis risk indicators.

Purpose of the Study:

  • To determine the frequency of high C-Reactive Protein (CRP) and LDL:HDL ratio in patients with first MI.
  • To investigate the association between high CRP levels, high LDL:HDL ratio, and first MI at the National Institute for Cardiovascular Disease (NICVD).

Main Methods:

  • A case-control study was conducted at NICVD, Karachi.
  • The study included 50 male patients with acute MI (no comorbidities) and 50 matched controls.
  • Serum CRP, LDL, and HDL levels were analyzed.

Main Results:

  • Patients with first MI exhibited significantly higher CRP levels (p = 0.003) compared to controls.
  • Significantly lower high-density lipoprotein (HDL) levels were observed in MI patients (p = 0.006).
  • No significant difference was found in serum low-density lipoprotein (LDL) levels or the LDL:HDL ratio between patients and controls.

Conclusions:

  • Elevated serum CRP levels are significantly associated with first myocardial infarction in patients presenting at NICVD.
  • High LDL:HDL ratio was not found to be a significant independent risk factor for first MI in this cohort.
  • CRP emerges as a more critical marker than the LDL:HDL ratio for first MI risk in this specific patient population.
Abstract

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