A summary of the contributions of the VA cooperative studies on abdominal aortic aneurysms

Frank A. Lederle

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Scopus citations


The Department of Veterans Affairs Cooperative Studies Program has completed two studies on abdominal aortic aneurysm (AAA) and is currently conducting a third. The first, the Aneurysm Detection and Management (ADAM) Study, consisted of both a screening program, which provided information on the prevalence and associations of AAA, and a randomized trial, which found that survival is not improved by repair of small AAA. The second was a prospective observational study to determine the incidence of rupture in patients with large AAA for whom elective repair was not planned due to medical contraindications or patient refusal. AAA in this population had a high risk of rupture, about 10% per year for AAA > 5.5 cm, and 25% within 6 months for AAA larger than 8.0 cm. The third, the Open Versus Endovascular Repair (OVER) Trial, is a multicenter randomized trial comparing long-term survival following two methods of elective AAA repair.

Original languageEnglish (US)
Title of host publicationThe Abdominal Aortic Aneurysm
Subtitle of host publicationGenetics, Pathophysiology, and Molecular Biology
PublisherBlackwell Publishing Inc
Number of pages10
ISBN (Print)1573316571, 9781573316576
StatePublished - Nov 2006

Publication series

NameAnnals of the New York Academy of Sciences
ISSN (Print)0077-8923
ISSN (Electronic)1749-6632


  • Abdominal aortic aneurysm
  • Mortality
  • Multicenter studies
  • Surgical treatment
  • Veterans

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