Unidirectional communication between the circumflex and right coronary arteries: a very rare coronary anomaly and cause of ischemia

The International Journal of Cardiovascular Imaging
Mustafa GurRecep Demirbag

Abstract

Intercoronary communication is an exceptionally rare congenital malformation. A 43-year-old male was admitted to our cardiology department with symptomatic stable angina. ECG and echocardiography was normal. Exercise electrocardiography showed ST depression in inferior leads. No atherosclerotic plaque in the coronary arteries was detected on coronary angiography. However, a unidirectional intercoronary communication between the circumflex and right coronary arteries, which was leading a coronary steal from right to left, was observed. Although intercoronary communication is generally not related with ischemia, ischemic symptoms and exercise ECG changes of this case suggested that unidirectional flow might cause myocardial ischemia via coronary steal. Consequently, intercoronary communication, a very rare coronary anomaly and a cause of ischemia, is discussed in this case report.

References

Apr 1, 1983·The American Journal of Cardiology·P EsenteD Bernstein
Feb 20, 2004·Japanese Heart Journal·Alev Arat-OzkanM Serdar Küçükoglu
Jan 26, 2005·Zeitschrift für Kardiologie·Y von KodolitschT Meinertz

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Citations

Jan 15, 2014·Revista Portuguesa De Cardiologia : Orgão Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology·Yasin Turker, Hakan Tibilli
May 7, 2014·Revista Portuguesa De Cardiologia : Orgão Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology·Glória AbreuAdelino Correia

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