• Yipeng Ge, Lizhong Sun, Junming Zhu, Yongmin Liu, Lijian Cheng, Lei Chen, Jun Zheng, Chengnan Li, and Wei Liu.
• Department of Cardiovascular Surgery, Beijing Aortic Disease Center, Beijing Anzhen Hospital, Capital Medical University, Beijing, China.
• Thorac Cardiovasc Surg. 2013 Oct 1;61(7):564-8.

BackgroundEuroSCORE is a widely used objective risk scoring model.ObjectiveThe aim of this study was to evaluate the validation of EuroSCORE II for predicting in-hospital mortality and length of intensive care unit (ICU) stay after total aortic arch replacement with stented elephant trunk implantation for DeBakey Type I aortic dissection.Patients And MethodsBetween February 2009 and February 2012, data from 384 consecutive patients, who underwent aortic surgery using total aortic arch replacement with stented elephant trunk implantation, were collected retrospectively. EuroSCORE II was applied to predict mortality and length of ICU stay. The C-statistic was used to test discrimination of the model. Calibration was assessed with the Hosmer-Lemeshow goodness-of-fit statistic.ResultsThe in-hospital mortality was 8.07%. The mean length of ICU stay was 3.06 days. A total of 75 patients remained at ICU for 5 days or more and 42 patients for 7 days or more. EuroSCORE II did not show good discriminatory ability in predicting mortality and length of ICU stay. The C-statistic of predicting mortality, ICU stay for 5 days or more, and ICU stay for 7 days or more were 0.49, 0.56, and 0.52, respectively. The calibration was poor for predicting mortality (p < 0.001), ICU stay for 5 days or more (p < 0.001), and ICU stay for 7 days or more (p < 0.001).ConclusionAlthough EuroSCORE II is the newest risk model for cardiac surgery, it is not accurate when it is applied for thoracic aortic surgery. A new risk evaluating system specially designed for aortic surgery should be developed in the future.Georg Thieme Verlag KG Stuttgart · New York.

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