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Epidemiology of congenital coronary artery anomalies: a coronary arteriography study on a central European population
1Second Department of Medicine, Albert Szent-Györgyi Medical University, Szeged, Hungary. akardos@immsvr.jr2.ox.ac.uk
Insights
Congenital coronary anomalies (CCA) occurred in 1.34% of Central European patients. Most common were anomalies of origin and distribution, similar to North American findings.
Area of Science:
- Cardiology
- Anatomy
- Medical Imaging
Background:
- Congenital coronary anomalies (CCA) are rare but can lead to serious cardiac events.
- Previous studies on CCA frequency and patterns have primarily focused on North American populations.
- The prevalence of CCA in Central European populations remains largely uncharacterized.
Purpose of the Study:
- To investigate the anatomical patterns and frequency of congenital coronary anomalies (CCA) in a Central European cohort.
- To provide a detailed classification of observed CCA for clinical and surgical applications.
Main Methods:
- Retrospective analysis of angiographic data from 7,694 consecutive patients.
- Data collected at Albert Szent-Györgyi Medical University, Szeged, Hungary, between 1984 and 1994.
- Identification and classification of all diagnosed congenital coronary anomalies.
Main Results:
- Congenital coronary anomalies (CCA) were identified in 103 patients, representing an overall incidence of 1.34%.
- The majority of CCA (95.2%) involved anomalies of origin and distribution, while coronary artery fistulae accounted for 4.8%.
- The most frequent anomaly was the separate origin of the left descending and left circumflex arteries from the left sinus of Valsalva (52.42%).
Conclusions:
- The incidence of CCA in this Central European cohort is comparable to findings from major North American studies.
- The study provides a valuable anatomic classification of CCA, useful for clinical diagnosis and surgical planning.
- Understanding regional variations in CCA prevalence and patterns is crucial for comprehensive cardiovascular care.
Abstract:
The anatomical patterns and frequency of occurrence of congenital coronary anomalies (CCA) in a Central European cohort has not yet been studied. The angiographic data of 7,694 consecutive patients undergoing coronary arteriography at the Albert Szent-Györgyi Medical University, Szeged, Hungary, from 1984 to 1994 were analyzed. CCA were found in 103 patients (1.34% incidence). Ninety-eight of them (95.2%) had anomalies of origin and distribution, and five (4.8%) had coronary artery fistulae. The incidence was the highest for the separate origin of left descending artery and left circumflex from the left sinus of Valsalva (52.42%). Anomalous origin of the left circumflex coronary artery from the right coronary was 8.7% while from the right sinus of Valsalva 18.4%. CCA, which may be associated with potentially serious events, such as ectopic coronary origin from the opposite aortic sinus (1.9%) and single coronary arteries (3.88%), were not frequent. The incidence of CCA in the Central European cohort under study was similar to that of the largest North American study. The anatomic classification presented can be useful from both clinical and surgical standpoints.