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Ruptured abdominal aortic aneurysm in a well-defined geographic area
M Heikkinen1, J-P Salenius, O Auvinen
1Department of Surgery, Tampere University Hospital, Medical School, Tampere University, Tampere, Finland. mheik@netti.fi
Journal of Vascular Surgery
|August 10, 2002
Summary
Ruptured abdominal aortic aneurysm (RAAA) mortality remains high, with incidence projected to increase 49.6% in the next two decades. A significant portion of women experienced RAAA with diameters below the elective surgery threshold.
Area of Science:
- Vascular Surgery
- Epidemiology
- Public Health
Background:
- Despite advances, ruptured abdominal aortic aneurysm (RAAA) mortality rates are rising.
- Elective abdominal aortic aneurysm (AAA) operations are increasing.
- RAAA management and prevention require further investigation.
Purpose of the Study:
- To determine the incidence, treatment, and mortality of RAAA in the Pirkanmaa region.
- To analyze prerupture patient history for potential rupture prevention strategies.
- To forecast future RAAA trends over the next decades.
Main Methods:
- Utilized population and outcome data from Statistics Finland (1990-1997).
- Reviewed local vascular registry for operated RAAA cases (1990-1999).
- Calculated RAAA incidence by age group for future projections.
Main Results:
- RAAA incidence was 6.3/100,000 inhabitants, rising to 35.5/100,000 in those over 65.
- Overall RAAA mortality was 76.9%, with 63.3% hospital mortality at Tampere University Hospital (TAUH).
- RAAA cases are predicted to increase by 49.6% in two decades; 10.8% had a previously documented AAA, with median rupture diameter of 7 cm.
Conclusions:
- Pirkanmaa region's RAAA incidence mirrors the Finnish average.
- A significant increase in RAAA cases is expected in the coming decades.
- A notable percentage of women experienced RAAA with diameters below the current elective surgery threshold.