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Frequency of abdominal aortic aneurysm in patients undergoing coronary artery bypass grafting

Annabelle Dupont1, Ahmed Elkalioubie, Francis Juthier

  • 1University of Lille Nord de France, UDSL, IFR 114, EA 2693, Faculté de Médecine, Lille, France. annabelle.dupont-2@univ-lille2.fr

The American Journal of Cardiology
|May 25, 2010
PubMed

Insights

This study found that 6.9% of patients undergoing coronary artery bypass grafting had unsuspected abdominal aortic aneurysms (AAA). Men with smoking histories, peripheral artery disease, or carotid artery stenosis are at higher risk for AAA.

Area of Science:

  • Vascular Surgery
  • Cardiology
  • Diagnostic Imaging

Background:

  • Coronary artery bypass grafting (CABG) is performed for severe coronary artery disease.
  • Abdominal aortic aneurysm (AAA) is a significant vascular condition.
  • Screening for AAA in specific patient populations is crucial.

Purpose of the Study:

  • To determine the prevalence of unsuspected abdominal aortic aneurysms (AAA) in patients undergoing CABG.
  • To identify risk factors associated with AAA in this patient cohort.
  • To pinpoint high-risk individuals for AAA within the CABG population.

Main Methods:

  • Prospective echocardiographic screening for AAA in 217 patients undergoing CABG.
  • Univariate analysis to identify risk factors for AAA.
  • Comparison of AAA prevalence based on the presence of other vascular diseases.

Main Results:

  • Asymptomatic AAAs were detected in 15 patients (6.9%), all of whom were male smokers or ex-smokers.
  • Significant risk factors included smoking, peripheral artery disease, and carotid artery stenosis.
  • AAA prevalence reached 24% in men <75 years with smoking history and concomitant peripheral or carotid artery disease.

Conclusions:

  • A significant prevalence of unsuspected AAA exists in patients undergoing CABG.
  • Male sex, smoking history, peripheral artery disease, and carotid artery stenosis are key risk factors.
  • Targeted AAA screening is warranted in high-risk subgroups of CABG patients.

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