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[Abdominal aortic aneurysm: surgery, indications, technique, outcome]

M Prager1, L Claeys, A Fügl

  • 1Klinischen Abteilung für Gefässchirurgie, Universitätsklinik für Chirurgie, Wien.

Acta Medica Austriaca
|January 1, 1997
PubMed
Summary

Abdominal aortic aneurysm (AAA) surgery indications depend on rupture risk and patient factors. Elective surgery is recommended for aneurysms 5 cm or growing 5 mm/year with acceptable risk, while smaller, stable aneurysms in older patients are managed conservatively.

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Area of Science:

  • Vascular Surgery
  • Aortic Disease Management
  • Patient Risk Stratification

Background:

  • Abdominal aortic aneurysms (AAAs) pose risks of rupture and embolism.
  • Patient-specific risk factors are crucial when considering operative intervention for AAAs.

Purpose of the Study:

  • To outline current recommendations for AAA surgical indications.
  • To present institutional data on elective AAA repair outcomes.

Main Methods:

  • Literature review for surgical indication guidelines.
  • Retrospective analysis of institutional data for elective AAA repair outcomes.

Main Results:

  • Emergency surgery is indicated for symptomatic or ruptured AAAs.
  • Elective surgery is recommended for AAAs ≥5 cm or growing ≥5 mm/year in low-risk patients.

Related Experiment Videos

  • Conservative management with 3-monthly sonography is advised for asymptomatic AAAs <5 cm in patients >75 years or high-risk individuals.
  • Institutional 30-day mortality for elective AAA repair was 3.5%; for ruptured AAA without shock, 20%; and with shock, 47%.

    • Conclusions:

    • Surgical intervention for AAAs should be individualized based on aneurysm characteristics and patient risk.
    • Conservative management is appropriate for select asymptomatic AAAs.
    • Institutional outcomes for elective AAA repair are favorable, but rupture carries significant mortality.