Why the study?
What is the incidence and mortality of ruptured abdominal aortic aneurysms in a defined population?
Population
88 patients with ruptured abdominal aortic aneurysms (AAA) in Stockholm county during 1980
Design
Cohort
Authors
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Emphasizes prehospital lethality in ruptured AAA; leaves open whether enhanced screening alters population outcomes.
What is the incidence and mortality of ruptured abdominal aortic aneurysms in a defined population?
Ruptured abdominal aortic aneurysms carry an extremely high mortality rate (94%), largely driven by failure to reach surgery rather than operative mortality itself.
Johansson et al. (1986) studied this question.
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