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Prognosis

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

  • natural history of small AAA is gradual expansion at an annual rate of approximately 10% of the initial arterial diameter (1)
  • surgical repair doubles the survival time compared to an untreated aneurysm.
  • operative mortality for an elective repair is less than 5%, and often, 1 to 2%
  • operative mortality for an emergent repair varies from 20-80% depending on the condition of the patient at presentation. Highest mortality occurs in those who present with cardiovascular collapse.

Reference:

  • (1) British Heart Foundation (Factfile 2/2008). Abdominal aortic aneurysms.

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