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Published on: August 16, 2019

A study of relationship of ABO blood groups with myocardial infarction and angina pectoris

I A Akhund1, I A Alvi, A K Ansari

  • 1Department of Physiology, Liaqat Medical College, Jamshoro.

Journal of Ayub Medical College, Abbottabad : JAMC
|March 5, 2002
PubMed

Insights

Patients with blood group A had higher rates of myocardial infarction and angina pectoris, while blood group O showed the lowest incidence. This study highlights a link between ABO blood groups and coronary artery disease risk.

Area of Science:

  • Cardiology
  • Genetics
  • Epidemiology

Background:

  • Investigates the association between ABO blood group system and coronary artery disease (CAD).
  • Focuses on the prevalence of myocardial infarction (MI) and angina pectoris in relation to blood groups.
  • Study conducted in specific regions of Sindh province, Pakistan.

Purpose of the Study:

  • To determine the occurrence of MI and angina pectoris within the ABO blood group system.
  • To explore the relationship between specific blood antigens and CAD.
  • To provide data for future genetic studies on CAD risk factors.

Main Methods:

  • Included 300 patients diagnosed with CAD (MI or angina pectoris).
  • Data collected via patient history, WHO (Rose) chest pain criteria, and electrocardiogram (ECG) findings.
  • ABO blood grouping performed using the simple agglutination method.

Main Results:

  • Blood group A was most prevalent among patients with MI and angina pectoris.
  • Blood group O showed the lowest incidence of these CAD conditions.
  • A clear disparity in CAD occurrence was observed across different ABO blood groups.

Conclusions:

  • A direct relationship exists between ABO blood group antigens and CAD.
  • Findings suggest a potential genetic predisposition influencing CAD risk in specific blood groups.
  • Results emphasize the importance of considering blood groups in CAD genetic research.
Abstract

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