THE FREQUENCY AND INPORTANCE OF VARIANT COURSES OF POSTERIOR DESCENDING ARTERY

YAPICI Fikri, TARHAN Arif, YILMAZ Mehmet, ŞERBETÇİOĞLU Aykut, ÖKTEM Ertan, BİLGEN Fuat, ÖZLER Azmi

Dr. Siyami Ersek Göğüs Kalp ve Damar Cerrahisi Merkezi, İSTANBUL

In case of coronary artery anatomic course variation, analizing the coronary artery angiographic findings properly is important for definition of the vessel peroperatorily and intervention to the vessel. In our study, we investigated prospectively origin variations of posterior descending (PD) artery which is primarily or secondarily critical in blood supply for interventricular septum and left ventricular apex, in 400 consecutive coronary bypass surgery cases. Eleven per cent cases which had PD artery origin variation were compared in angiography with the rest of cases. There was no statistically significant difference between cases among the age, sex, perioperatively myocardial infarction, cross clamp-bypass duration and arythmia incidence (p>0.05).

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