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Factors Affecting Duration of Stay in the Intensive Care Unit After Coronary Artery Bypass Surgery and Its Impact on In-Hospital Mortality: A Retrospective Study
This retrospective study investigates the risk factors influencing prolonged stays in the intensive care unit (ICU) after coronary artery bypass grafting (CABG) surgery. It analyzed 1070 patients, identifying several univariate predictors for extended ICU stays, such as larger left atrial diameter, chronic obstructive pulmonary disease, hypertension, diabetes, pre-surgery beta-blocker use, intraoperative blood transfusions, and postoperative complications like acute kidney injury, sepsis, pneumonia, and atrial fibrillation. Multivariate analysis pinpointed significant predictors like left atrial diameter > 4 cm, absence of pre-surgery beta-blocker use, extended ventilation support, development of pneumonia, and postoperative atrial fibrillation as key factors associated with stays longer than three nights. The study emphasizes the need to mitigate these complications to reduce ICU stays, thereby decreasing healthcare costs and improving resource availability.