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Elective abdominal aortic aneurysm (AAA) repair

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Surgical treatment of an abdominal aortic aneurysm (AAA) is associated with increased risk of mortality. The 30-day mortality risk in open repair is between 4% and 5% while in endovascular repair this figure is between 1% and 2% (1).

Repairing unruptured aneurysms - when to consider repair (2)


Consider aneurysm repair for people with an unruptured abdominal aortic aneurysm (AAA), if it is:

  • symptomatic
  • asymptomatic, larger than 4.0 cm and has grown by more than 1 cm in 1 year (measured inner-to-inner maximum anterior-posterior aortic diameter on ultrasound)
  • asymptomatic and 5.5 cm or larger (measured inner-to-inner maximum anterior-posterior aortic diameter on ultrasound)

Open surgical repair, standard endovascular aneurysm repair or conservative management

  • open surgical repair should be offered for people with unruptured AAAs meeting the criteria * unless it is contraindicated because of their abdominal copathology, anaesthetic risks, and/or medical comorbidities
  • consider endovascular aneurysm repair (EVAR) for people with unruptured AAAs who meet the criteria * and who have abdominal copathology, such as a hostile abdomen, horseshoe kidney or a stoma, or other considerations, specific to and discussed with the person, that may make EVAR the preferred option
  • consider EVAR or conservative management for people with unruptured AAAs meeting the criteria * who have anaesthetic risks and/or medical comorbidities that would contraindicate open surgical repair

* Consider aneurysm repair for people with an unruptured abdominal aortic aneurysm (AAA), if it is:

  • symptomatic
  • asymptomatic, larger than 4.0 cm and has grown by more than 1 cm in 1 year (measured inner-to-inner maximum anterior-posterior aortic diameter on ultrasound)
  • asymptomatic and 5.5 cm or larger (measured inner-to-inner maximum anterior-posterior aortic diameter on ultrasound)

Reference:


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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