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Rivista di Chirurgia Cardiaca, Vascolare e Toracica

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The Journal of Cardiovascular Surgery 2005 February;46(1):31-6

lingua: Inglese

Cardiac risk assessment of asymptomatic patients by stress echocardiography before infrarenal aortic aneurysm surgery

Palombo D. 1, Vola M. 2, Lucertini G. 1, Mazzei R. 1, Ferrero E. 3, Grana A. 1, Castagnola M. 1

1 Division of Vascular and Endovascular Surgery San Martino Hospital, Genova, Italy
2 Division of Cardiovascular Surgery North Hospital, St-Etienne, France
3 Division of Vascular Surgery, Siena, Italy


Aim. Aggressive cardiac assessment before aortic abdominal aneurysm (AAA) surgery is indicated for patients with symptomatic coronary artery disease (CAD). Assessment of intermediate and moderate risk patients is still under debate. The purpose of the study was to prospectively evaluate the effectiveness of stress echocardiography (SE) in the detection of CAD in patients undergoing AAA surgery who have no symptoms and/or signs of CAD, but who have risk factors for it.
Methods. Patients with 1 or more risk factors for CAD underwent SE. All patients with positive SE underwent coronary arteriography, and, when indicated, treatment. Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were calculated for SE by comparing results to coronary arteriography. Moreover, major perioperative cardiac events were recorded.
Results. Ninety-one patients with AAA and risk factors for CAD were studied. SE was positive in 9 cases, including 7 presenting critical CAD on the basis of coronary arteriography. One major cardiac event (1.1%), a nonfatal myocardial infarction, occurred in 1 patient with positive SE and non-critical, single-vessel CAD. Sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of SE proved to be 100%, 98%, 78%, 100%, and 92%, respectively.
Conclusion. Positive SE should be considered a valid method for testing high-risk patients for CAD. The low rate of major cardiac events in this series suggests that cardiac assessment by SE and selective coronary arteriography prior to AAA surgery is effective in asymptomatic patients with one or more risk factors.

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