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Gender profiling in coronary artery bypass grafting
Colleen Gorman Koch1, Farah Khandwala, Nancy Nussmeier
1Department of Cardiothoracic Anesthesia (G-3), The Cleveland Clinic Foundation, Ohio 44195, USA. kochc@ccf.org
The Journal of Thoracic and Cardiovascular Surgery
|December 23, 2003
Summary
Female patients undergoing coronary artery bypass grafting (CABG) have distinct preoperative profiles compared to men. Understanding these differences is key to improving outcomes for women in cardiac surgery.
Area of Science:
- Cardiovascular Surgery
- Medical Statistics
Background:
- Women undergoing coronary artery bypass grafting (CABG) are often associated with increased risk of adverse outcomes.
- Female gender may serve as an indicator of a more complex patient profile rather than an independent risk factor.
Purpose of the Study:
- To delineate and compare the preoperative characteristics of female and male patients undergoing isolated CABG.
- To identify specific variables that define the female patient profile in the context of CABG.
Main Methods:
- Analysis of a cohort of 15,597 patients who underwent isolated CABG between January 1993 and June 2002.
- Utilization of multivariable logistic regression to model and identify predictors of female gender.
Main Results:
- Women constituted 23% (3596 patients) of the study cohort.
- Eighteen variables were significantly associated with the female profile, including shorter stature, higher weight, increased prevalence of hypertension, insulin-treated diabetes mellitus, and heart failure.
- Women exhibited lower levels of hematocrit, bilirubin, and creatinine compared to men.
Conclusions:
- Significant preoperative dissimilarities exist between female and male patients undergoing CABG.
- Statistical modeling offers valuable insights into the unique preoperative profile of female patients, who face higher surgical risks.