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Hyperbilirubinemia after cardiac surgery: An observational study.
Pranav Sharma1, Chandrasekaran Ananthanarayanan2, Nikunj Vaidhya2
1Department of Cardiovascular and Thoracic Surgery, UN Mehta Institute of Cardiology and Research Center, Ahmedabad, India realpranav@yahoo.com.
Asian Cardiovascular & Thoracic Annals
|September 26, 2015
Summary
Postoperative hyperbilirubinemia occurred in 25% of cardiac surgery patients, linked to longer hospital stays and higher mortality. Key risk factors include elevated preoperative bilirubin and prolonged cardiopulmonary bypass times.
Area of Science:
- Cardiology
- Surgical Outcomes
- Critical Care Medicine
Background:
- Hyperbilirubinemia is a potential complication following cardiac surgery.
- Understanding its incidence and risk factors is crucial for improving patient outcomes.
Purpose of the Study:
- To determine the incidence of postoperative hyperbilirubinemia after cardiac surgery.
- To identify perioperative risk factors associated with hyperbilirubinemia.
- To assess the impact of hyperbilirubinemia on early operative outcomes.
Main Methods:
- Prospective observational study of 476 patients undergoing cardiac surgery.
- Postoperative hyperbilirubinemia defined as serum total bilirubin >2.0 mg/dL.
- Data collected on perioperative factors and clinical outcomes.
Main Results:
- Overall incidence of postoperative hyperbilirubinemia was 25%.
- Highest incidence observed in valve surgery (36.2%).
- Hyperbilirubinemia correlated with increased mechanical ventilation, ICU/hospital stay, and mortality (p<0.05).
- Risk factors included elevated preoperative bilirubin, prolonged cardiopulmonary bypass and aortic crossclamp times, and blood transfusions (p<0.05).
Conclusions:
- Postoperative hyperbilirubinemia is a common complication after cardiopulmonary bypass.
- It is associated with increased hospital mortality and adverse outcomes.
- Preoperative bilirubin levels, operative times, and transfusion requirements are significant predictors.
