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  • Title: [Usefulness of transesophageal echocardiography in the diagnosis of coronary anomalies].
    Author: Vicente T, Pinar E, Pérez-Lorente F, López Candel J, Picó F, Pérez de Juan MA, Valdés M.
    Journal: Rev Esp Cardiol; 1996 Sep; 49(9):657-62. PubMed ID: 9036488.
    Abstract:
    BACKGROUND: Although rare, anomalous coronary arteries are associated with myocardial ischemia and sudden death. Identification is made by angiography but its true course is difficult to determine even with this invasive procedure. OBJECTIVES: The purpose of this study is to determine the role of transesophageal echocardiography (TEE), Doppler and color flow Doppler, in identifying the origin and course of anomalous coronary arteries. MATERIAL AND METHODS: Six patients with angiographically confirmed anomalous coronary arteries were studied by TEE, Doppler and color flow Doppler. RESULTS: The abnormal origin was confirmed in all six patients. In three, the left main originated from the right sinus of Valsalva. In one the right coronary artery from the left sinus of Valsalva. One was a single right coronary artery from the right sinus of Valsalva, and one, had a fistula between the coronary artery and the right ventricle. In four, the TEE was able to demonstrate clearly the course in relation to the great vessels, two were interarterial and one posterior. Color flow Doppler was obtained in four patients. In one patient, there was increase in diastolic flow velocity due to proximal coronary obstruction. One had increase of the systolic flow velocity. CONCLUSIONS: TEE is useful test for diagnosing the origin of anomalous coronary arteries and confirming its course in relation to the great vessels. Doppler flow Doppler is useful in localization the vessel.
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