Female Gender in Cardiac Surgery: Is it Still a Significant Risk? A Retrospective Study in Saudi Arabia
DOI:
https://doi.org/10.59958/hsf.6929Keywords:
females, coronary artery bypass, valvular cardiac surgery, morbidity, mortalityAbstract
Background: Female sex is considered an independent predictor for mortality and morbidity following cardiac surgery. This study is to review the outcomes of adult cardiac surgery between males and females in a Saudi tertiary referral hospital. Method: This was a retrospective study for 925 adult patients operated on for ischemic coronary artery disease and acquired aortic and mitral valvular heart disease from 2015 to August 2023. We analyzed patient characteristics, intraoperative data, and postoperative results to compare outcomes between males and females. Results: Preoperative risk factors were not significantly different in both groups. Postoperative outcomes showed gender-based differences. In univariable analysis, females, compared to males, had significantly greater odds of prolonged postoperative ventilation (>24 hours), 32.8% of females compared to 20.7% of males (p < 0.001). Also, sternal wound infection was notably higher among females (13.3%) (p < 0.001). Mortality also exhibited a significant association, with 14.2% of females experiencing mortality compared to 9.4% of males (p = 0.049). In the multivariable analysis for elevated postoperative troponin, the use of pre-operative intra-aortic balloon pump, urgent/emergent surgery, elevated pre-operative troponin and combined bypass grafting with valve surgery, were also predictive of higher post-operative troponin concentrations (beta = 0.43, 95% CI: 0.25 to 0.62, p < 0.001). Conclusion: Females in Saudi Arabia have an increased risk of short-term morbidity and mortality after cardiac surgery compared to males. Vague and delayed presentation and then the late diagnosis and referral are likely the main contributing factors. This highlights the need to implement preoperative measures to improve early diagnosis and referral to eliminate gender bias.
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