| Effect of Gender on Outcomes of Off-pump Coronary Artery Bypass Surgery. |
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Chang Seok Kim, Sou Ouk Bang, Yong Seon Choi, Byong Hun Shin, Jae Kwang Shim, Young Lan Kwak |
1Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Korea. ylkwak@yumc.yonsei.ac.kr
2Department of Anesthesia and Pain Research Institute, Yonsei University College of Medicine, Seoul, Korea. |
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| Abstract |
BACKGROUND
Although female gender is associated with higher prevalence of perioperative morbidity and mortality than male gender in conventional coronary artery bypass surgery (CABG) using cardiopulmonary bypass, the impact of gender as an independent risk factor for morbidity and mortality following off-pump CABG (OPCAB) is controversial.
Therefore, we prospectively investigated the impact of gender on intraoperative variables and postoperative outcome and complications in OPCAB.
METHODS
One hundred patients (69 males and 31 females) undergoing OPCAB by a single cardiac surgeon during 5 months period were prospectively enrolled. Preoperative patient's characteristics, intraoperative hemodynamics and medications and postoperative outcome and complications were recorded during hospital stay.
RESULTS
There were no significant differences in preoperative characteristics including age, NYHA class and incidence of concomitant diseases between the male and female groups, except body surface area which was less in the female group. There were no significant differences in intraoperative hemodynamics and use of cardiotonic drugs between the groups. Frequency and amount of blood transfusion were greater, and length of ventilatory care and stay in intensive care unit were longer in female group.
Other postoperative outcomes were similar between the groups.
CONCLUSIONS
Gender did not significantly affect postoperative outcome, except use of blood products, length of ventilatory care and stay in intensive care unit in OPCAB. These results may be attributable to comparable preoperative patient's characteristics between the groups. |
| Key Words:
female; gender; off-pump coronary artery bypass graft surgery; postoperative outcomes |
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