• Qian Lei, Lei Chen, Neng-Xin Fang, Li-Zhong Sun, Qian Chang, and Li-Huan Li.
• Department of Anesthesiology, Cardiovascular Institute and Fuwai Hospital, CAMS and PUMC, Beijing 100037, China.
• Zhongguo Yi Xue Ke Xue Yuan Xue Bao. 2009 Jun 1;31(3):349-53.

ObjectiveTo identify the predictors of prolonged intensive care unit (ICU) stay in patients undergoing aortic arch replacement.MethodsThe clinical data of 173 consecutive patients undergoing aortic arch replacement requiring deep hypothermic circulatory arrest plus antegrade selective cerebral perfusion were reviewed retrospectively. Patients who had undergone one-stage total or subtotal aortic replacement were excluded. Data collected from records were used to identify univariate and multivariate predictors for prolonged ICU stay, which was defined as longer than 5 days in ICU postoperatively.ResultsPatients aged (45.4 +/- 10. 6) years and male accounted for 76.3%. The incidence of prolonged ICU stay was 22.0%. The incidences of postoperative stroke and acute renal failure were 6.4% and 4.6%, respectively. The in-hospital mortality rate was 2.9%. Univariate predictors for prolonged ICU stay included body mass index, preoperative serum creatinine level, emergent surgery, coronary artery bypass grafting at the same time, cardiopulmonary bypass time, myocardial ischemic time, and occurrence of postoperative stroke and/or acute renal failure. Multivariable modeling identified that emergent surgery (odds ratio [95% confidence interval] -3.1 [1.3, 7.6]), cardiopulmonary bypass time longer than 180 min (3.3 [1.4, 8.1]), postoperative stroke (6.9 [1.1, 43.1]) and acute renal failure (14.5 [1.3, 161.6]) were the independent predictors for prolonged ICU stay.ConclusionsThe incidence of prolonged ICU stay is high after aortic arch replacement. Patients with identified multivariate predictors carry a higher risk of prolonged ICU stay and may benefit from enhanced perioperative protection of brain and kidney.

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