The aim of this study is to investigate the characteristics and surgical outcomes of acute type A aortic dissection (AAAD) in patients younger than 50 years of age. We retrospectively evaluated 307 patients who consecutively underwent surgical treatment for AAAD in our institute from January 2007 to June 2017. Patients were classified into two groups: the young group with 31 patients aged younger than 50 and the old group with 276 patients aged 50 years or older. In-hospital mortality was similar in both groups (3.2% vs. 9.4%, p=0.19). Overall survival at 5 years was higher in the young group than that in the old group (97% vs. 71%, p=0.017). No significant differences were observed in freedom from aorta-related death and distal aortic reoperation at 5 years (97% vs. 87%, p=0.26; 86% vs. 92%, p=0.093). The percentage of young patients with postoperative patent false lumen at the descending aorta was significantly higher than that of old patients (76% vs. 30%, p<0.001) in spite of primary entry resection. Early and mid-term outcomes for AAAD in young patients were satisfactory. However, future follow-up is important because postoperative patent false lumen is at a high rate in young patients in spite of entry resection.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6957888PMC
http://dx.doi.org/10.3400/avd.oa.19-00033DOI Listing

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