Ultrasonographic screening for the detection of abdominal aortic aneurysms
- PMID: 19946430
- PMCID: PMC2780009
- DOI: 10.3238/arztebl.2009.0657
Ultrasonographic screening for the detection of abdominal aortic aneurysms
Abstract
Background: The prevalence of abdominal aortic aneurysms (AAA) with a maximal diameter of 3 cm or more is age-dependent; among persons over age 65, it lies between 4% and 8% in men and between 0.5% and 1.5% in women. About 10% of all AAAs have a maximum diameter of 5 cm or more. The prognosis of ruptured AAA (rAAA) is dismal, with an overall mortality of at least 80%. Ultrasonography of the abdominal aorta is a safe and technically simple method of detecting AAAs.
Methods: Evaluation of population-based, randomized studies of ultrasonographic screening for the detection of AAA, based on a selective review of the literature.
Results: A meta-analysis of four randomized controlled studies showed that ultrasonographic screening was associated with a significant lowering of AAA-related mortality in men aged 65 to 80 after it had been performed for 3-5 years (risk reduction 44%, odds ratio [OR] 0.56, 95% confidence interval [CI] 0.44-0.72) and after it had been performed for 7-15 years (risk reduction 53%, OR 0.47, 95% CI 0.25-0.90). AAA screening was also associated with a significant lowering of the overall mortality after 7-15 years, but not in the first 5 years. Ultrasonographic screening led to a significant increase in the number of elective AAA operations performed and to a 50% reduction of the number of emergency operations for rAAA.
Conclusion: Ultrasonographic screening for AAA is a technically simple diagnostic test that is associated with a major reduction of AAA-related mortality. In view of the higher prevalence of AAA among the elderly, it is recommended that all men aged 65 or older and all men and women with a family history of AAA should be systematically screened. A national ultrasound screening program should be urgently implemented in Germany in order to bring about a major reduction in AAA-associated mortality.
Keywords: abdominal aortic aneurysm; aneurysm; aortic surgery; ultrasonographic diagnosis; vascular diagnosis.
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References
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- Fleming C, Whitlock EP, Beil TL, Lederle FA Preventive Services Task Force. Screening for abdominal aortic aneurysm: a best-evidence systematic review for the US. Ann Intern Med. 2005;142:203–211. - PubMed
-
- UK National Screening Committee ASWG. Standard operating procedures for an abdominal aortic aneurysm (AAA) screening programme. Draft version 7. 2007.
-
- Lindholt JS, Norman P. Screening for abdominal aortic aneurysm reduces overall mortality in men. A meta-analysis of the mid- and long-term effects of screening for abdominal aortic aneurysms. Eur J Vasc Endovasc Surg. 2008;36:167–171. - PubMed
-
- Scott RA, Wilson NM, Ashton HA, Kay DN. Influence of screening on the incidence of ruptured abdominal aortic aneurysm: 5-year results of a randomized controlled study. Br J Surg. 1995;82:1066–1070. - PubMed
-
- Ashton HA, Buxton MJ, Day NE, Kim LG, Marteau TM, Scott RA, et al. The Multicentre Aneurysm Screening Study (MASS) into the effect of abdominal aortic aneurysm screening on mortality in men: a randomised controlled trial. Lancet. 2002;360:1531–1539. - PubMed
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