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04:56
Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
Elective open abdominal aortic aneurysm repair: a seven-year experience
Stuart Mackenzie1, Judith R Swan, Cate D'Este
1Discipline of Surgical Science, Faculty of Health, The University of Newcastle and Clinical Governance Unit, Hunter Area Health Service NSW, Australia.
Therapeutics and Clinical Risk Management
|March 25, 2008
Summary
Elective abdominal aortic aneurysm (AAA) repair outcomes were analyzed. Female sex, bifurcated grafts, and additional procedures independently increased mortality risk in this vascular surgery study.
Area of Science:
- Vascular Surgery
- Surgical Outcomes Research
- Aortic Aneurysm Disease
Background:
- Review of a seven-year experience with elective abdominal aortic aneurysm (AAA) repair.
- Focus on identifying factors linked to in-hospital mortality in a teaching hospital setting.
Purpose of the Study:
- To determine factors associated with in-hospital mortality following elective AAA repair.
- To analyze the impact of patient demographics, aneurysm characteristics, and surgical variables on mortality.
Main Methods:
- Retrospective review of 219 patients undergoing elective open AAA repair (1991-1998).
- Identification of variables through literature review and expert discussion.
- Univariate and multivariate logistic regression analyses were performed.
Main Results:
- Overall in-hospital mortality was 3.7%.
- Univariate analysis identified female sex, renal artery involvement, and prolonged aortic cross-clamp time (>90 min) as significant mortality factors.
- Multivariate analysis revealed female sex, bifurcated graft use, and additional procedures as independent predictors of mortality.
Conclusions:
- Bifurcated graft use is a significant prognostic variable, indicating technical difficulty and aneurysm morphology impact mortality.
- The increased risk for female patients requires further investigation.
- Caution is advised when interpreting raw audit data in surgical outcomes.
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