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Increasing incidence of ruptured abdominal aortic aneurysm: a population-based study
Stefan Acosta1, Mats Ogren, Henrik Bengtsson
1Department of Vascular Diseases, Malmö University Hospital, Malmö, Sweden. stefan.acosta@telia.com
Journal of Vascular Surgery
|August 8, 2006
Summary
The incidence of ruptured abdominal aortic aneurysm (rAAA) significantly increased between 1971-1986 and 2000-2004, particularly in men. This rise occurred despite more elective repairs, and the causes remain unclear, necessitating further research for prevention strategies.
Area of Science:
- Vascular surgery
- Epidemiology
- Public health
Background:
- Ruptured abdominal aortic aneurysm (rAAA) poses a significant health risk.
- Understanding incidence trends is crucial for public health interventions and resource allocation.
Purpose of the Study:
- To assess the trends in age- and gender-specific incidence of ruptured abdominal aortic aneurysm (rAAA).
- To compare incidence rates between 1971-1986 and 2000-2004.
Main Methods:
- Population-based study in Malmö, Sweden, comparing data from 1971-1986 and 2000-2004.
- Utilized hospital registries and pathology/forensic medicine databases to identify rAAA cases.
- Included analysis of elective abdominal aortic aneurysm (AAA) repair trends.
Main Results:
- Overall rAAA incidence increased from 5.6 to 10.6 per 100,000 person-years.
- Significant incidence increases were observed in men aged 60-79 years.
- Elective AAA repair incidence also rose significantly, especially in older men and women.
Conclusions:
- rAAA incidence significantly increased between the two study periods, despite a rise in elective repairs.
- Lower autopsy rates in the recent period may lead to underestimation of incidence.
- The underlying reasons for the increased incidence are unknown, highlighting the need for further research into risk groups and prevention.
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