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ludc webb

Nuno Dias

Adjunct professor

ludc webb

Outcome After Ruptured AAA Repair in Octo- and Nonagenarians in Sweden 1994-2014


  • B. Sonesson
  • K. Björses
  • N. Dias
  • R. Rylance
  • K. Mani
  • A. Wanhainen
  • T. Resch

Summary, in English

Objective: To report the outcome after ruptured abdominal aortic aneurysm (rAAA) repair in octo- and nonagenarians from the Swedish Vascular Registry 1994-2014. Material and methods: 2335 intact AAA (iAAA) and 1538 rAAA were identified in patients aged 80 years and older. Crude, long-term, and relative survival data were analysed using the Kaplan-Meier method. Crude survival was calculated including all deaths. Long-term survival was analysed excluding AAA repair related mortality, defined as death within 90 days of surgery. Relative survival was assessed by comparing the observed long-term survival after AAA repair with the expected survival of a Swedish population adjusted for age, gender, and operation year. Differences were compared using log-rank tests. The multivariate Cox model was used for adjusting for confounding factors between open repair (OR) and endovascular aneurysm repair (EVAR). Results: Crude survival after rAAA repair was 30 days (55%), 90 days (50%), 1 year (45%), 5 years (26%), and 10 years (9%). Long-term survival was 1 year (90%), 5 years (53%), and 10 years (18%). When individuals with rAAA were categorized into males and females, crude and long-term survival showed no significant differences (p = .204 and p = .134). When rAAA patients were categorized into age groups (80-84 years, 85-89 years, 90+) crude survival diminished with increasing age, but long-term survival was not (p = .009 and p = .368). Compared with the general population, rAAA patients showed only a minor decrease in relative survival. Crude survival after rAAA was better for EVAR compared with OR (p = .007), hazard ratio 1.3 (95% CI 1.1-1.6, p < .012). Conclusions: There is a high (50%) peri-operative mortality after surgery for rAAA in octo- and nonagenarians, with no significant differences between the sexes and worse survival with increasing age. However, if a patient has survived the initial 90 days, long-term survival in this very old cohort is surprisingly good at more than 50% after 5 years, only slightly less than the general population.

Publishing year







European Journal of Vascular and Endovascular Surgery





Document type

Journal article




  • Cardiac and Cardiovascular Systems


  • Endovascular aneurysm repair
  • Octo- and nonagenarians
  • Open repair
  • Outcome
  • Ruptured abdominal aortic aneurysm




  • ISSN: 1078-5884