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Related Experiment Videos

Screening for abdominal aortic aneurysm.

P A Cosford1, G C Leng

  • 1Victoria House, East of England Strategic Health Authority, Capital Park, Fulbourn, Cambridge, UK, CB1 5XB. Paul.Cosford@eoe.nhs.uk

The Cochrane Database of Systematic Reviews
|April 20, 2007
PubMed
Summary
This summary is machine-generated.

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Ultrasound screening for abdominal aortic aneurysm (AAA) significantly reduces mortality in men aged 65-79. Evidence for benefit in women is insufficient, and cost-effectiveness requires further analysis for population-based programs.

Area of Science:

  • Vascular Surgery
  • Public Health
  • Diagnostic Imaging

Background:

  • Abdominal aortic aneurysm (AAA) affects 5-10% of men aged 65-79.
  • Rupture is a life-threatening complication with high mortality.
  • Current guidelines recommend elective repair for aneurysms >5.5 cm.

Purpose of the Study:

  • To evaluate the impact of screening asymptomatic individuals for AAA.
  • To assess effects on mortality, treatment, quality of life, and cost-effectiveness.
  • To inform decisions regarding population-based screening programs.

Main Methods:

  • Systematic review of randomized controlled trials (RCTs).
  • Searched Cochrane Peripheral Vascular Diseases Group Trials Register and CENTRAL.
  • Data extracted by two independent reviewers.

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Main Results:

  • Four RCTs involving over 137,000 participants (mostly men).
  • Significant reduction in AAA mortality for screened men (OR 0.60).
  • Decreased incidence of ruptured AAA in men (OR 0.45), increased surgery rates (OR 2.03).

Conclusions:

  • Ultrasound screening significantly reduces AAA mortality in men aged 65-79.
  • Insufficient evidence of benefit for women.
  • Cost-effectiveness warrants further investigation before implementing widespread screening.