• Sung Yeon Ham, Sang Beom Nam, Dong Woo Han, Ann Hee You, Won Sik Lim, and Young Song.
• Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University College of Medicine.
• Medicine (Baltimore). 2019 Sep 1; 98 (38): e17173e17173.

BackgroundSerum alkaline phosphatase (ALP) is related to vascular calcification and is known to have a prognostic impact in various cohorts. However, evidence in patients undergoing thoracic endovascular aortic repair (TEVAR) is lacking. Thus, we hypothesized that preoperative serum ALP level could be used for predicting adverse events after TEVAR.MethodsWe retrospectively reviewed 167 patients who underwent TEVAR between February 2013 and December 2016. Patients were classified into tertiles according to preoperative ALP level (<69, 69-92, and >92 IU/L). The composite of morbidity and mortality (composite MM) was defined as the presence of one or more of the following: myocardial infarction, cerebrovascular accident, dialysis requirement, pulmonary complication, infection, and mortality within 1 year after TEVAR. The incidence of composite MM was compared among the 3 tertiles, and stepwise logistic regression analysis was performed to evaluate the predictors for composite MM.ResultsThe incidence of composite MM was 14.5% in the first tertile group, 17.9% in the second tertile group, and 35.7% in the third tertile group (P = .016). The third tertile of ALP level (odds ratio [OR] 1.766, 95% confidence interval [CI] 1.074-2.904, P = .025) and emergency TEVAR (OR 2.369, 95% CI 1.050-5.346, P = .038) remained as independent predictors of composite MM.ConclusionsOur data showed an independent relationship between high preoperative ALP levels and adverse outcomes in patients undergoing TEVAR. This finding might suggest a potential role of ALP level as a risk stratification marker.

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