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Abdominal aortic aneurysm screening: recommendations and controversies.
Christopher Longo1, Gilbert R Upchurch
1Department of Surgery, Section of Vascular Surgery, University of Michigan Medical Center, Ann Arbor, MI, USA.
Vascular and Endovascular Surgery
|May 28, 2005
Summary
Routine abdominal aortic aneurysm (AAA) screening for men aged 65-75 is recommended due to high prevalence. Ultrasound screening significantly reduces AAA mortality and is cost-effective.
Area of Science:
- Vascular Surgery
- Preventive Medicine
- Diagnostic Imaging
Background:
- Abdominal aortic aneurysms (AAAs) are prevalent in men aged 65-75.
- Physical examination is an unreliable method for AAA detection.
- Ruptured AAAs incur significant costs in terms of quality-adjusted life years (QALY) lost and medical expenses.
Purpose of the Study:
- To evaluate the efficacy and cost-effectiveness of routine AAA screening.
- To highlight the advantages of ultrasound screening for AAAs.
- To identify potential benefits of AAA screening in specific at-risk female populations.
Main Methods:
- Review of extensive level one evidence from large-scale, randomized trials.
- Analysis of AAA screening using ultrasound.
- Comparison of AAA screening with other medical screening programs.
Main Results:
- AAA screening reduces AAA-related mortality in the screened population.
- Ultrasound screening for AAAs is cost-effective in mid-term follow-up.
- Ultrasound screening is simple, inexpensive, portable, and reliable, avoiding adverse effects of other screening programs.
Conclusions:
- Routine AAA screening in men aged 65-75 is supported by strong evidence.
- Ultrasound screening offers significant advantages over other screening modalities.
- Further research is warranted to explore AAA screening benefits in at-risk women.