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[Association between ABO blood group and acute myocardial infarction]

Xiaoying Hu1, Shubin Qiao2, Hong Qiu1

  • 1Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China.

Zhonghua Xin Xue Guan Bing Za Zhi
|December 15, 2015
PubMed

Insights

Non-O blood groups, including A, B, and AB, are linked to a higher risk of acute myocardial infarction (AMI) in Chinese individuals. Blood group O appears to be protective against AMI in this population.

Area of Science:

  • Cardiovascular Medicine
  • Hematology
  • Epidemiology

Background:

  • The ABO blood group system is a well-established human genetic trait.
  • Associations between blood groups and various diseases, including cardiovascular conditions, have been investigated.

Purpose of the Study:

  • To investigate the relationship between ABO blood group types and the risk of myocardial infarction (MI) among the Chinese population.
  • To determine if specific blood groups are associated with an increased susceptibility to acute myocardial infarction (AMI).

Main Methods:

  • A retrospective study involving 1,988 patients diagnosed with acute myocardial infarction (AMI) and 1,856 control subjects without coronary artery disease (non-CAD).
  • Analysis of clinical characteristics and ABO blood group distribution in both AMI and non-CAD groups.
  • Logistic regression analysis was performed after adjusting for cardiovascular risk factors.

Main Results:

  • Blood group O was observed to be more prevalent in the non-CAD group compared to the AMI group (P=0.06).
  • Individuals with blood groups A, B, and AB showed an increased risk of AMI compared to blood group O.
  • Blood groups A (OR=1.229) and B (OR=1.214) demonstrated a statistically significant association with increased AMI risk.
  • The non-O blood group, as a whole, was significantly associated with a higher risk of AMI (OR=1.223) after logistic regression.

Conclusions:

  • Non-O blood groups (A, B, and AB) are associated with an elevated risk of developing acute myocardial infarction (AMI).
  • Blood group O may confer a protective effect against AMI in the studied Chinese population.
Abstract

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