Turk Kardiyol Dern Ars. 2007; 35(7): 436-440

The anatomy of the coronary sinus and its clinical significance

Mustafa Karaca¹, Mustafa Hakan Dinçkal², Güray Öncel^3
1Atakalp Heart Hospital, Cardiology Department, İzmir, Turkey
²Acibadem Bakirkoy Hospital, Cardiology Department, Istanbul, Turkey
³Sifa Hospital, Radiology Department, Izmir, Turkey

The coronary sinus (CS) has a complex structure and notable electrophysiologic properties. Its close proximity to the atrioventricular nodal complex, situation below the interatrial septum, and vicinity of the right and left atria, and its electrical characteristics could play an important role in cardiac arrhythmias. Cannulation of the CS has enabled mapping, identification, and ablation therapy of arrhythmias arising from the left atrium and left ventricle. More recently, the CS has become a gateway to the left ventricle for biventricular pacing. This review revisits the anatomy and clinical importance of the CS.

Keywords: Atrial fibrillation/physiopathology, catheter ablation, coronary vessels/anatomy & histology, heart atria/anatomy & histology; veins/anatomy & histology

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