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Published on: March 27, 2018

The association between alcohol consumption and morbidity and mortality in patients undergoing coronary artery bypass

Ankit Maheshwari1, Jarrod E Dalton, Jean-Pierre Yared

  • 1Department of Outcomes Research, Cleveland Clinic Foundation, Cleveland, OH 44195, USA. mahesha@ccf.org

Journal of Cardiothoracic and Vascular Anesthesia
|November 21, 2009
PubMed

Insights

Moderate alcohol consumption (3+ drinks/week) did not improve postoperative outcomes in patients undergoing coronary artery bypass graft (CABG) surgery. This study found no significant association between regular alcohol intake and surgical complications or hospital stay.

Area of Science:

  • Cardiovascular Surgery
  • Alcohol Consumption Research
  • Perioperative Medicine

Background:

  • Moderate alcohol consumption is linked to reduced cardiovascular events in population studies.
  • Its impact on perioperative outcomes, particularly after coronary artery bypass graft (CABG) surgery, remains unclear.

Purpose of the Study:

  • To investigate the hypothesis that consuming 3 or more alcoholic drinks per week improves postoperative outcomes in patients undergoing CABG surgery.

Main Methods:

  • A propensity-matched retrospective cohort study analyzed data from 13,065 patients undergoing elective CABG surgery.
  • Patients were matched based on propensity scores to compare alcohol users with infrequent/nonusers.
  • Outcomes assessed included a composite of major morbidities and mortality, and hospital length of stay.

Main Results:

  • Patients consuming at least 3 drinks per week showed similar odds of the composite outcome compared to infrequent or nonusers (adjusted OR, 1.13; P=0.14).
  • Hospital length of stay was also not significantly related to alcohol consumption (adjusted HR, 1.03; P=0.28).

Conclusions:

  • Alcohol consumption of 3 or more drinks per week was not associated with a reduced risk of postoperative complications in CABG patients.
  • The study did not differentiate alcohol abusers, and findings may not apply to this group.
Abstract

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