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Sex-related differences on the risks of in-hospital and late outcomes after acute aortic dissection: A nationwide population-based cohort study

PLoS One. 2022 Feb 10;17(2):e0263717. doi: 10.1371/journal.pone.0263717. eCollection 2022.

ABSTRACT

OBJECTIVE: The aim of this study is to evaluate the sex-related differences on the risks of perioperative and late outcomes for adult acute aortic dissection (AAD) patients following surgical management.

METHODS AND RESULTS: By using Taiwan National Health Insurance Research Database, totally 1,410 female and 3,432 male patients were identified to first-ever receive type A AAD open surgery or type B AAD stenting treatment from 2004 to 2013. We assessed the sex-related difference on outcomes, including in-hospital mortality, all-cause mortality, aortic death, redo aortic surgery, ischemic stroke, and depression during the follow-up period. The analysis was done separately for type A and type B surgeries.

RESULTS: On average, female patients diagnosed with AAD were older than males. There was no significant sex difference of in-hospital mortality or all-cause mortality for both type A open and type B stent surgeries. The risk of redo aortic surgery was significantly greater in males than females (7.8% vs. 4%; unadjusted subdistribution hazard ratio [SHR] 0.51, 95% CI 0.38-0.69) for type A open surgery, but not for type B stent surgery. Noticeably, the risk of newly-diagnosed depression was significantly greater in females than males (8% vs. 5.1%; unadjusted SHR 1.6, 95% CI 1.24-2.06) for type A open surgery, but not for type B stent surgery.

CONCLUSIONS: No significant sex-related difference was found for the in-hospital mortality or accumulative all-cause mortality. However, there were more redo aortic surgeries for males and more postoperative depression for females in type A AAD population.

PMID:35143568 | DOI:10.1371/journal.pone.0263717

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