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OBJECTIVES The aim of this study was to evaluate the 18-year results of emergency operations for acute type A aortic dissection, especially in octogenarians. METHODS We reviewed 199 patients who underwent surgical aortic repair of an acute type A aortic dissection from January 2001 to December 2018. If the primary entry existed in the ascending aorta, we limited the extent of the replacement to within the ascending aorta. We analysed the early and late outcomes and identified the predictive factors for in-hospital death and difficulty of direct discharge to home. RESULTS The hospital mortality was 16%. The causes of death were postoperative bleeding (n = 8, 4%), intestinal ischaemia (n = 6, 3%), respiratory failure (n = 5, 3%), systemic inflammatory response syndrome (n = 4, 2%), low output syndrome (n = 3, 2%), sudden death (n = 3, 2%), myonephrotic metabolic syndrome (n = 2, 1%) and stroke (n = 1, 1%). Multivariable analysis revealed that an estimated glomerular filtration rate <30 (P = 0.006), malperfusion (P = 0.001), rupture (P < 0.001) and cross-clamping time (P = 0.003) were independent predictive factors of in-hospital death. Age was not a significant factor for predicting in-hospital death. Ascending aorta replacement (P = 0.013), advanced age (P = 0.002) and prolonged extracorporeal circulation time (P = 0.009) were independent predictive factors of difficulty in direct discharge to home. In the late follow-up period, the 5-year survival and aortic event-free rates were 62.2% and 88.9% in octogenarians, respectively. CONCLUSIONS From the perspective of saving lives, the results of emergency surgery for octogenarians were acceptable. Avoiding the postoperative decline in activities of daily living in octogenarians is a consideration going forward.

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