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Defining anatomic variants of the coronary artery in Taiwanese subjects by using 64-multidetector-row computed tomography

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Academic year: 2021

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Defining anatomic variants of the coronary

artery in Taiwanese subjects by using

64-multidetector-row computed tomography

梁庭繼;李志明

Wang HJ;Leung TK;Lee CM;Lee WH;Shen LK;Chen YY

摘要

Abstract

The newly developed 64-multidetector-row computed tomography (MDCT) prompted us to evaluate coronary angiography using this noninvasive method. We reviewed 281 images of MDCT coronary angiography in Taiwanese. The origins of the coronary arteries were identified from the luminal aspect of the aorta. We described them as seen from the aortic sinus looking toward the cardiac ventricle. The sinus facing the left ventricle was

designated sinus 1, and that facing the right ventricle was designated sinus 2. Anatomic variants of the coronary artery were divided into five types according to the structure of the left anterior descending artery, right coronary artery, and left circumflex artery. Of the 281 patients, 275 (97.9%) had the type I variant in which the right coronary artery originated from sinus 2. MDCT provides advantages in defining anatomic variation and helps in the planning of clinical therapy or surgery

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