Prevalence of Congenital Coronary Artery Anomalies and Variants in 2697 Consecutive Patients Using 64-Detector Row Coronary CTAngiography

Overview

Journal Iran J Radiol

Publisher Brieflands

Specialty Radiology

Date 2013 Jan 19

PMID 23329976

Citations 10

Authors

Abbas Arjmand Shabestari

Shahram Akhlaghpoor

Reza Tayebivaljozi

Farzaneh Fattahi Masrour

Affiliations

Soon will be listed here.

Abstract

Background: Coronary artery anomalies are not common, but could be very serious.

Objectives: This study determines the frequency of coronary anomalies and normal variants by multi-detector-row computed tomography (MDCT).

Patients And Methods: The results of cardiac MDCT study in 2697 consecutive patients were analyzed retrospectively. Acquisition was performed by a 64-detector row CT machine. Imaging results were assessed by experienced radiologists.

Results: Myocardial bridging was by far the most frequent coronary variant (n = 576, 21.3%). Eighty-three subjects (3.1%) showed other coronary anomalies and variants. Anomalies of origination and course of the left main coronary artery (LMCA) were detected in 1.09% of the subjects. The frequency of these anomalies in the right coronary artery (RCA), left circumflex artery (LCx), left anterior descending artery (LAD), posterior descending artery (PDA) and obtuse marginal (OM) artery were 1.24%, 0.33%, 0.1%, 0.07% and 0.03%, respectively. The single coronary pattern was seen in 0.18% and coronary fistulas in 0.07%.

Conclusion: Based on the fact that coronary CT-angiography using MDCT can display different coronary anomalies, this study shows similar results to other reports on the subject. Future advances in the performance of CT machines will further improve the quality of CT-based cardiac imaging.

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