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Prevalence and spectrum of coronary anomalies detected on coronary computed tomography angiography : a single centre experience in Oman
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Prevalence and spectrum of coronary anomalies detected on coronary computed tomography angiography : a single centre experience in Oman
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Prevalence and spectrum of coronary anomalies detected on coronary computed tomography angiography : a single centre experience in Oman
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Journal Article
Prevalence and spectrum of coronary anomalies detected on coronary computed tomography angiography : a single centre experience in Oman
2019
Overview
Objectives: Coronary artery anomalies (CAAs) are uncommon congenital abnormalities with a prevalence
ranging from 0.2–2%. CAAs can be asymptomatic or less commonly present with life-threatening symptoms.
This study aimed to investigate the prevalence and spectrum of CAAs in patients who underwent coronary computed
tomography angiography (CCTA) in Oman. Methods: This retrospective study was conducted at the National
Heart Centre, Muscat, Oman between September 2012 and August 2018. All consecutive patients who had
undergone CCTA were included. Results: A total of 4,445 patients were included in this study. Of these, 59 patients
(1.3%) were diagnosed with CAAs with a mean age of 52.6 years (range: 12–80 years) and an equal gender distribution.
Among the patients with CAAs, the majority (69.5%) had anomalous origins from the opposite or non-coronary
sinus. Right coronary artery arising from the left coronary sinus was the most common type (33.9%). Fewer patients
(18.6%) had left circumflex arising from the right coronary sinus (RCS). Seven patients (11.9%) had left main arising
from the RCS. Other CAAs were in the dual left anterior descending artery (8.5%), high coronary artery take-off
(6.8%), single coronary ostia (6.8%) and coronary artery fistula (6.8%). Conclusion: The prevalence of CAAs was
1.3% which is similar to the literature
Publisher
Sultan Qaboos University, College of Medicine and Health Sciences,Sultan Qaboos University,Sultan Qaboos University Medical Journal, College of Medicine & Health Sciences
