Increased coronary artery disease severity in black women undergoing coronary bypass surgery

Jimmy T Efird1, Wesley T O'Neal, William F Griffin

  • 1From the Department of Cardiovascular Sciences (JTE, WFG, KYS, LCK, TBF, WRC, APK), East Carolina Heart Institute; Center for Health Disparities (JTE, HL), Brody School of Medicine, East Carolina University, Greenville; Department of Internal Medicine (WTO), Wake Forest School of Medicine, Winston-Salem; Department of Pharmacology and Toxicology (EJA), Brody School of Medicine, East Carolina University, Greenville, North Carolina; Department of General Surgery (SWD), University of Virginia School of Medicine, Charlottesville, Virginia; and Department of Anesthesia (JBO), Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts.

Medicine
|February 21, 2015
PubMed

Insights

Black women undergoing coronary artery bypass grafting (CABG) show more severe heart disease than white women. This disparity, linked to longer hospital stays, highlights a need for targeted preventive care in this demographic.

Area of Science:

  • Cardiology
  • Health Disparities
  • Vascular Surgery

Background:

  • Heart disease impacts vary by race and sex.
  • Understanding these disparities is crucial for equitable patient care.
  • Coronary artery bypass grafting (CABG) outcomes can be influenced by demographic factors.

Purpose of the Study:

  • To investigate the relationship between race, sex, and the extent of coronary artery disease (CAD) in patients undergoing CABG.
  • To analyze subsequent postoperative outcomes based on race and sex.
  • To identify potential disparities in disease severity and treatment among different demographic groups.

Main Methods:

  • Analysis of 13,774 patients undergoing first-time, isolated CABG between 1992 and 2011.
  • Used Cochran-Armitage trend test to analyze trends in the number of diseased vessels between Black and White patients, stratified by sex.
  • Adjusted models for age, procedural status, and insurance type.

Main Results:

  • Black female CABG patients exhibited a significantly increasing trend in the number of diseased vessels compared to white female patients (adjusted P(trend) = 0.0021).
  • No similar trend was observed between Black and White male CABG patients (adjusted P(trend) = 0.18).
  • Black female patients experienced longer intensive care unit and hospital stays post-CABG compared to other race-sex groups.

Conclusions:

  • Black women undergoing CABG present with more advanced coronary artery disease than White women.
  • This racial disparity in disease severity may contribute to poorer postoperative outcomes in Black women.
  • Further research is warranted to develop targeted preventive strategies and optimize preoperative care for high-risk Black female patients.

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