Objective: Aortic arch replacement in acute type A aortic dissection patients remains a most challenging cardiovascular operation. This article aims to show our Modified Y-Graft Technique using the Femoral Artery Bypass (FAB) and the One Minute Systemic Circulatory Arrest (OSCA) Technique and assess the short-term outcomes of the patients. Methods: Between February 2015 and November 2017, 51 patients with acute type A aortic dissection underwent aortic arch replacement. Among them, 23 patients'

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... procedure used FAB and 28 patients utilized both FAB and OSCA. The intraoperative data and postoperative follow-up data were recorded. The follow-up data of patients with traditional Y-graft technique were collected from previous reported studies. Results: In FAB group, two patients died for pulmonary infection (30-day survival rate 91.3%), and two patients paralyzed from the waist down. The hemodialysis was performed for five patients (21.7%) before hospital discharge. Fifteen patients (65.2%) received more than 2-day's respiratory support and 8 patients (34.8%) received more than 5-day's respiratory support. These follow-up data are basically flat or precede to the patients with traditional Y-graft technique. Furthermore, compared to the FAB Group, the morbidity of the neurologic dysfunction and the acute renal failure was significantly reduced in FAB+OSCA Group. Besides, the respiratory support, the length of the postoperative stay and the ICU stay were shortened. Conclusions: This study clarified the feasibility of FAB and OSCA technique in modifying Ygraft technique. The acute type A aortic dissection patients tend to have less surgical complications and favorable short-term outcomes by this surgery.