Key result
Resection of unruptured abdominal aortic aneurysms yielded 5- and 10-year survival rates of 54% and 22%, appearing to nearly double life expectancy compared to no operation.
Why the study?
Long-term survival after resection of unruptured abdominal aortic aneurysms needed confirmation due to changing operative mortality rates.
Does resection of unruptured abdominal aortic aneurysms improve long-term survival in patients with unruptured abdominal aortic aneurysms?
Cohort (n=240)
No
Does resection of unruptured abdominal aortic aneurysms improve long-term survival in patients with unruptured abdominal aortic aneurysms?
Resection of unruptured abdominal aortic aneurysms yields a 54% five-year survival rate, appearing to nearly double life expectancy compared to non-operative management.
Answers are grounded in this paper and cite their sources.
May support resection in selected unruptured AAA patients; leaves open whether RCTs confirm survival benefit.
Long-term results of resection of unruptured abdominal aortic aneurysms confirm the value of this operation. The conditions of 240 such patients from the Hospital of the University of Pennsylvania were followed up for a minimum of three years. Since the operative mortality has been consistently falling, the early high mortality figures unrealistically lower present long-term survival. Therefore, data including and excluding operative mortality were studied. For the entire series, the five- and ten-year survivals were 54% and 22%. For the 217 operative survivors, the percentages were 61% and 25%. These results appear to show a nearly doubled life expectancy of patients subjected to operation when compared to those not operated upon.
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A. G. Baker (1970) conducted a cohort in Unruptured abdominal aortic aneurysms (n=240). Resection of unruptured abdominal aortic aneurysms vs. Patients not operated upon was evaluated on Five-year survival. Resection of unruptured abdominal aortic aneurysms yielded 5- and 10-year survival rates of 54% and 22%, appearing to nearly double life expectancy compared to no operation.
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