Plasma fibrinogen--a major coronary risk factor

Insights

High plasma fibrinogen levels significantly increase heart attack risk, independent of other factors. This finding highlights fibrinogen as a crucial coronary risk indicator for identifying individuals susceptible to myocardial infarction.

Area of Science:

  • Cardiology
  • Hematology
  • Epidemiology

Background:

  • Coronary heart disease (CHD) remains a leading cause of mortality worldwide.
  • Identifying reliable indicators of heart attack susceptibility is crucial for preventive strategies.
  • Plasma fibrinogen's role as a cardiovascular risk marker requires further elucidation.

Purpose of the Study:

  • To investigate the association between plasma fibrinogen levels and the incidence of heart attacks in men without pre-existing CHD.
  • To determine if plasma fibrinogen is an independent predictor of heart attack risk.

Main Methods:

  • A cohort of 297 men aged 40-69, free from overt CHD at baseline, was observed.
  • Plasma fibrinogen levels were measured at the start of the study.
  • Follow-up averaged 7.3 years to record new heart attacks.

Main Results:

  • A significant positive correlation was observed between initial plasma fibrinogen levels and subsequent heart attack incidence.
  • Men with high fibrinogen had a substantially higher heart attack risk, especially when combined with high cholesterol or blood pressure.
  • Plasma fibrinogen emerged as a significant and independent predictor of heart attacks, comparable in importance to cholesterol, blood pressure, and smoking.

Conclusions:

  • Elevated plasma fibrinogen is a significant independent risk factor for heart attacks.
  • Plasma fibrinogen levels should be incorporated into risk assessment profiles for identifying individuals at high risk of myocardial infarction.

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