Effect of Different Blood Groups on Long-Term Outcomes of Surgical Revascularisation

Negin Yavari1, Farzad Masoudkabir2, Mina Ghorbanpour Landy1

  • 1Department of Cardiovascular Research, Tehran Heart Center, Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

Heart, Lung & Circulation
|January 25, 2022
PubMed

Insights

ABO blood groups do not impact long-term outcomes after coronary artery bypass graft (CABG) surgery. This study found no significant association between blood type and major adverse cardiocerebrovascular events (MACCE) in CABG patients.

Area of Science:

  • Cardiovascular Surgery
  • Transfusion Medicine
  • Clinical Outcomes Research

Background:

  • ABO blood groups are linked to cardiovascular disease risk.
  • The influence of ABO blood groups on coronary artery bypass graft (CABG) surgery outcomes remains unclear.
  • This study investigates the predictive value of ABO blood groups for long-term adverse events in CABG patients.

Purpose of the Study:

  • To determine if ABO blood groups predict long-term major adverse cardiocerebrovascular events (MACCE) in patients undergoing CABG.
  • To clarify the relationship between ABO blood groups and clinical outcomes following CABG surgery.

Main Methods:

  • Retrospective cohort study of 17,713 patients undergoing isolated CABG.
  • Patients categorized into four ABO blood group subgroups.
  • Cox regression survival analysis used to assess the association between ABO blood groups and MACCE.

Main Results:

  • Multivariable analysis revealed no significant difference in 5-year mortality or 5-year MACCE among different ABO blood groups.
  • The study included a large cohort with extensive follow-up data.

Conclusions:

  • ABO blood groups are not associated with long-term MACCE in patients who underwent CABG.
  • Blood type does not appear to be a significant prognostic factor for adverse outcomes after CABG surgery.
Abstract