Sex Related Outcomes Following Thoracic Endovascular Aortic Repair for Blunt Thoracic Aortic Injury

Anne-Sophie C. Romijn, Vinamr Rastogi, Christina L. Marcaccio, Ander Dorken-Gallastegi, Georgios F. Giannakopoulos, Vincent Jongkind, Frank W. Bloemers, Hence J. M. Verhagen, Marc L. Schermerhorn, Noelle N. Saillant

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Objective: Current literature suggests that thoracic endovascular aortic repair (TEVAR) in older patients with aortic aneurysms results in higher peri-operative mortality and lower long term survival in females compared with males. However, sex related outcomes in younger patients with blunt thoracic aortic injury (BTAI) undergoing TEVAR remain unknown. This study examined the association between sex and outcomes after TEVAR for BTAI. Methods: A retrospective cohort study was performed of all patients who underwent TEVAR for BTAI in the American College of Surgeons Trauma Quality Improvement Program (ACS-TQIP) between 2016 and 2019. The primary outcome was in hospital death. Secondary outcomes were peri-operative complications. Multivariable logistic regression was used to adjust for demographics, comorbidities, injury severity score, and aortic injury grade. Results: Two thousand and twenty-two patients were included; 26% were female. Compared with males, females were older (46 [IQR 30, 62] vs. 39 [IQR 28, 56] years; p < .001), more often obese (41% vs. 33%; p = .005), had lower rates of alcohol use disorder (4.1% vs. 8.9%; p < .001) and a higher prevalence of hypertension (29% vs. 22%; p = .001). The injury severity was comparable between females and males (Injury Severity Score ≥ 25; 84% vs. 80%; p = .11) and there was no difference in aortic injury grades when comparing females with males (grade 1, 33% vs. 33%; grade 2, 24% vs. 25%; grade 3, 43% vs. 40%; grade 4, 0.8% vs. 1.3%; p = .53). Multivariable logistic regression demonstrated no difference for in hospital mortality between females and males (OR 1.02; 95% CI 0.67 – 1.53, p = .93). Compared with males, females were at lower risk of acute kidney injury (AKI) (OR 0.33; 95% CI 0.17 – 0.64; p = .001) and ventilator associated pneumonia (VAP) (OR 0.50; 95% CI 0.28 – 0.91; p = .023). Conclusion: This study did not demonstrate a sex related in hospital mortality difference following TEVAR for BTAI. However, female sex was associated with a lower risk of AKI and VAP. Future studies should evaluate sex differences and long term outcomes following TEVAR in patients with BTAI.

Original languageEnglish
Pages (from-to)261-268
Number of pages8
JournalEuropean Journal of Vascular and Endovascular Surgery
Issue number2
Early online date2023
Publication statusPublished - Aug 2023


  • Aortic trauma
  • Blunt thoracic aortic injury
  • Endovascular repair
  • Sex difference

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