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Coronary artery anomalies and dominance: data from a single center in Turkey
Hasan Akkaya1, Ertuğrul E Güntürk2
1Department of Cardiology, Faculty of Medicine, Education and Research Hospital, Niğde Ömer Halisdemir University, Niğde, Turkey - drhakkaya@hotmail.com.
Background:
Coronary artery anomalies (CAA) are found in 0.2% to 1.3% of coronary angiograms. The aim of the presented study was to describe congenital CAA and their variations, also identifying the prevalence of these anomalies and coronary artery dominance in our center.
Methods:
A total of 7858 patients were included in the study retrospectively between August 2015 and March 2020. Patients undergoing coronary angiography (CAG) were reviewed by at least 2 independent and experienced observers. The Angelini's CAA Classification method was used to classify patients. Coronary dominance was determined according to the artery from which the posterior desending artery originated.
Results:
CAA was detected in 88 (1.1%) out of 7858 patients. Of these patients, 73 (82.9%) had anomalies of origination and course called group A, 7 (7.9%) had anomalies of intrinsic coronary arterial anatomy called group B, and 8 (9.1%) had anomalies of coronary termination called group C. Anomalous collateral vessels called group D were not detected. RCA dominance was N.=5579 (70.99%), Cx dominance was N.=1021 (12.99%), and codominancy was N.=1258 (16.01%).
Conclusions:
The incidence of CAA was 1.1% in total and is compatible with other major studies. According to the Angelini CAA clasification, group B anomalies are observed more frequently than other studies. Cx dominance is moderately high.