Aortic & peripheral vascular diseaseCohort study

Infected native aortic aneurysms: epidemiology, management, and outcomes based on a nationwide population-based study

Eur Heart JPublished

  • Retrospective cohort study
  • nationwide population-based

Authors' conclusion

Surgical repair is associated with significantly more favourable post-discharge survival compared with EVAR, underscoring the importance of open repair for optimal management of INAAs.

Study context

Population
Hospitalisations for infected native aortic aneurysms, Taiwanese National Health Insurance Research Database, 2001–2021
Participants
2,387 hospitalisations
Exposure
Endovascular aortic repair (EVAR) vs open repair for infected native aortic aneurysms
Outcome
In-hospital and post-discharge adverse events, including mortality
Follow-up
1, 3, 5 and 10 years

Main finding

As reported in the abstract

EVAR vs Open repairEstimate (95% CI)
in-hospital mortality
OR 0.76(0.63–0.91)
mortality at end of follow-up
HR 1.13(1.04–1.23)

Observational data: associations, not effects.

Further findings

Cohort characteristics and trends

Mean age (years)
73.8 ± 11.8
Men
77.6%
Comorbid renal insufficiency
53%
Increasing trend in infected native aortic aneurysms (INAAs) over time

Original publication

Infected native aortic aneurysms: epidemiology, management, and outcomes based on a nationwide population-based study. Eur Heart J. Published 11 July 2025. doi:10.1093/eurheartj/ehaf449

Summarised from the published abstract; every number is checked against it