Perioperative Results and Risk Factors for In-Hospital Mortality In Patients With Stanford Type A Aortic Dissection Undergoing Sun’s Procedure - A Single Center Study
Background: The study was to analyze the therapeutic effect and risk factors of in-hospital mortality in patients with acute Stanford type A aortic dissection operated by Sun’s procedure.
Methods: From Jan. 2010 to March 2016, 72 patients whose data was fully accessible underwent Sun’s procedure in our hospital due to acute Stanford type A aortic dissection. Patients were divided into the survival group and the death group, and the risk factors for in-hospital mortality were collected and analyzed.
Results: All 72 patients were diagnosed as acute Stanford type A aortic dissection by CT angiography in which the ascending aorta, aortic arch and descending aorta were involved; these patients were operated by Sun’s procedure. The operation of proximal aorta included 39 Bentall procedure, one David surgery, and 32 ascending aorta replacement. The in-hospital mortality rate was 19.4% (14 patients). Studies showed the risk factors for the in-hospital mortality included the body mass index, cardiopulmonary bypass time, operation time, intraoperative transfusion of red blood cells and plasma volume, and the total perioperative transfusion of red blood cells, plasma and cryoprecipitate volume. Independent risk factors included the body mass index and cardiopulmonary bypass time.
Conclusion: Acute Stanford type A aortic dissection is a severe, complex disease with high in-hospital mortality, though the Sun’s procedure is an effective surgical approach in treating this kind of disease in some center. Body mass index and cardiopulmonary bypass time are independent risk factors for in-hospital mortality.
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