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Remarkable anatomic anomalies of coronary arteries and their clinical importance: a multidetector computed tomography angiographic study.

Abstract：

OBJECTIVE:An anomalous origin and course of the coronary arteries can be benign or life threatening. Recently, because of new advances in computed tomography technology, radiologists have begun to interpret the diseases of coronary arteries. We aimed to demonstrate some remarkable anomalies of coronary arteries, some of which were not shown by multidetector computed tomography (MDCT) coronary angiography previously, and to discuss the clinical importance of these anomalies. MATERIALS AND METHODS:Seven hundred twenty-five consequent patients referred to Florence Nightingale Hospital and Atatürk University Hospital for MDCT coronary angiography were included in this study. The patients were between the ages of 33 and 78 years (mean +/- SD, 59 +/- 13.86 years). Four hundred ninety-seven patients (68.6%) were men, and 228 (31.4%) were women. All the examinations were evaluated by both a radiologist and a cardiologist. RESULTS:The incidence of anomalous anatomical origin and course of the coronaries found in our study group was 5.79% (n = 42). The anomalies found in our study are absence of the right coronary artery (RCA; n = 1, 0.13%), ectopic origin of RCA from the left anterior descending (LAD) artery (n = 1, 0.13%), absence of the left main coronary artery (n = 4, 0.52%), ectopic origin of the left main coronary artery from the right sinus of Valsalva (n = 1, 0.13%), double LAD and ectopic origin of LAD from RCA (n = 1, 0.13%), ectopic origin of the left circumflex artery from the right sinus of Valsalva (n = 3, 0.39%), ectopic origin of the left circumflex artery from RCA (n = 2, 0.26%), and myocardial bridging (n = 29, 4%). CONCLUSIONS:An anomalous origin of the coronary anatomy must be present in the interpretations because of its importance for patients, cardiologists, and surgeons. As a conclusion, our study showed that MDCT, especially volume rendering and maximum intensity projection techniques, may be useful for assessment of complex variations, when the conventional angiography may not be sufficient.

journal_name

J Comput Assist Tomogr

journal_title

Journal of computer assisted tomography

authors

Duran C,Kantarci M,Durur Subasi I,Gulbaran M,Sevimli S,Bayram E,Eren S,Karaman A,Fil F,Okur A

doi

10.1097/01.rct.0000230004.38521.8e

subject

Has Abstract

pub_date

2006-11-01 00:00:00

pages

939-48

issue

eissn

0363-8715

issn

1532-3145

pii

00004728-200611000-00014

journal_volume

pub_type

杂志文章,多中心研究

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Remarkable anatomic anomalies of coronary arteries and their clinical importance: a multidetector computed tomography angiographic study.