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Blood group A: a risk factor for heart rupture after acute myocardial infarction

Yuan Fu1, Mulei Chen1, Hao Sun1

  • 1Department of Cardiology, Chaoyang Hospital, Capital Medical University, Beijing, China.

BMC Cardiovascular Disorders
|November 4, 2020
PubMed

Insights

Individuals with blood group A face a higher risk of heart rupture (HR) after acute myocardial infarction (AMI). This finding highlights a significant association between blood type A and increased HR risk post-AMI.

Area of Science:

  • Cardiology
  • Genetics
  • Public Health

Background:

  • Coronary artery disease (CAD) research has explored ABO blood group associations.
  • Limited data exists on the specific impact of ABO blood groups on heart rupture (HR) following acute myocardial infarction (AMI).

Purpose of the Study:

  • To investigate the association between ABO blood groups and the risk of heart rupture (HR) after acute myocardial infarction (AMI).

Main Methods:

  • A retrospective case-control study included 61 patients with HR post-AMI and 600 controls without HR.
  • Univariate and multivariate logistic regression analyses were employed to assess the association between ABO blood groups and HR.

Main Results:

  • Patients with blood group A exhibited a significantly higher risk of HR post-AMI compared to non-A blood groups (12.35% vs 7.42%, P < 0.001).
  • After adjusting for clinical factors, blood group A remained an independent predictor of increased HR risk post-AMI (OR = 2.781, P = 0.035).

Conclusions:

  • Blood group A is significantly associated with an elevated risk of heart rupture following acute myocardial infarction.
  • This finding may inform risk stratification and preventative strategies for patients experiencing AMI.
Abstract

Keywords:
ABO blood groupsAcute myocardial infarctionCoronary artery diseaseHeart rupturePercutaneous coronary intervention

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