Assessment of left internal mammary artery grafts using dipyridamole Doppler echocardiography

The American Journal of Cardiology
A PezzanoS Savonitto

Abstract

Color Doppler echocardiography of the left mammary artery was combined with dipyridamole testing in order to assess the presence of significant (>70%) graft stenosis in 87 patients with a mammary artery graft to the left anterior descending coronary artery presenting with chest pain. Occluded grafts are detected by absent diastolic flow velocities at baseline, whereas the response of the diastolic flow velocity to dipyridamole distinguishes patients with critical versus noncritical stenosis of a patent graft.

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Citations

Dec 31, 2003·The American Journal of Cardiology·Fabio ChirilloPaolo Stritoni
Jun 24, 2004·Asian Cardiovascular & Thoracic Annals·Min-Ho SongKazuyoshi Tajima

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