Coronary Arcade: A rare case of a protective coronary artery anomaly -

Intercoronary communication or coronary arcade is a rare congenital coronary artery anomaly in which there is an open-ended circulation with unidirectional or bidirectional blood flow between two coronary arteries. A 85-year-old woman was admitted to the emergency service with typical chest pain. There was no evidence of transmural myocardial infarction in the results of electrocardography and echocardiography. An intercoronary connection between the left anterior descending artery (LAD) and the right coronary artery (RCA) with an obstructive lesion was detected on coronary angiography. This is a very rare coronary anomaly, only two cases of intercoronary communication between LAD and RCA with an obstructive lesion were found in the literature. The potential cardioprotective role of this entity against atherosclerotic coronary artery disease is discussed in this case report.

[1]  S. Nabais,et al.  Coronary arcade: a rare anomaly of the coronary circulation. , 2014, Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology.

[2]  W. Choi,et al.  Intercoronary Communication between the Circumflex and Right Coronary Arteries Coexisted with Coronary Vasospasm , 2013, Korean circulation journal.

[3]  A. Tavernarakis,et al.  Open ended circulation pattern: a rare case of a protective coronary artery variation and review of the literature. , 2006, International journal of cardiology.

[4]  M. Gur,et al.  Unidirectional communication between the circumflex and right coronary arteries: a very rare coronary anomaly and cause of ischemia , 2006, The International Journal of Cardiovascular Imaging.

[5]  B. Ökçün,et al.  Tek Koroner Arter: Konjenital Koroner Arter Anomalilerinin Nadir Bir Formu (2 Olgu Sunumu) , 2004 .

[6]  Y. Akin,et al.  Intercoronary communication between the circumflex and right coronary arteries: distinct from coronary collaterals , 2002, Heart.

[7]  K. Kostopoulos,et al.  An Open-Ended-Pattern Coronary Circulation: Demonstration of Its Potential "Self-Cure" Role in Obstructive Coronary Artery Disease , 1996, Angiology.

[8]  G. Meireles,et al.  Intercoronary connection with bidirectional blood flow and concentric left ventricular hypertrophy. , 1994, Sao Paulo medical journal = Revista paulista de medicina.

[9]  R. Hobbs,et al.  Coronary artery anomalies in 126,595 patients undergoing coronary arteriography. , 1990, Catheterization and cardiovascular diagnosis.

[10]  R. F. Donaldson,et al.  Intercoronary continuity: an anatomic basis for bidirectional coronary blood flow distinct from coronary collaterals. , 1984, American Journal of Cardiology.

[11]  D. Çiçek,et al.  Primary congenital anomalies of the coronary arteries: a coronary arteriographic study in Western Turkey. , 2005, International heart journal.

[12]  M. Küçükoğlu,et al.  A patient with bicuspid aorta and intercoronary continuity: a rare and variant of coronary circulation. , 2004, Japanese heart journal.