Meuli, Lorenz; Zimmermann, Alexander; Menges, Anna-Leonie; Stefanikova, Sandra; Reutersberg, Benedikt; Makaloski, Vladimir (2022). Prognostic model for survival of patients with abdominal aortic aneurysms treated with endovascular aneurysm repair. Scientific Reports, 12(1), p. 19540. Nature Publishing Group 10.1038/s41598-022-24060-5
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The role of endovascular aneurysm repair (EVAR) in patients with asymptomatic abdominal aortic aneurysm (AAA) who are unfit for open surgical repair has been questioned. The impending risk of aneurysm rupture, the risk of elective repair, and the life expectancy must be balanced when considering elective AAA repair. This retrospective observational cohort study included all consecutive patients treated with standard EVAR for AAA at a referral centre between 2001 and 2020. A previously published predictive model for survival after EVAR in patients treated between 2001 and 2012 was temporally validated using patients treated at the same institution between 2013 and 2020 and updated using the overall cohort. 558 patients (91.2% males, mean age 74.9 years) were included. Older age, lower eGFR, and COPD were independent predictors for impaired survival. A risk score showed good discrimination between four risk groups (Harrel's C = 0.70). The 5-years survival probabilities were only 40% in "high-risk" patients, 68% in "moderate-to-high-risk" patients, 83% in "low-to-moderate-risk", and 89% in "low-risk" patients. Low-risk patients with a favourable life expectancy are likely to benefit from EVAR, while high-risk patients with a short life expectancy may not benefit from EVAR at the current diameter threshold.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
04 Faculty of Medicine > Department of Cardiovascular Disorders (DHGE) > Clinic of Heart Surgery |
UniBE Contributor: |
Stefanikova, Sandra, Makaloski, Vladimir |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
2045-2322 |
Publisher: |
Nature Publishing Group |
Language: |
English |
Submitter: |
Pubmed Import |
Date Deposited: |
23 Nov 2022 11:02 |
Last Modified: |
27 Feb 2024 14:27 |
Publisher DOI: |
10.1038/s41598-022-24060-5 |
PubMed ID: |
36380101 |
BORIS DOI: |
10.48350/174887 |
URI: |
https://boris.unibe.ch/id/eprint/174887 |
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