Clinical Congenital Coronary Artery Ostial Disease (COSA)

Coronary Ostial Stenosis or Atresia (COSA) is a spectrum of rare developmental conditions with different implications in pathophysiologic mechanisms and clinical areas. A normal coronary ostium is located in the middle of aortic sinus. However, when the left ostium is located at sinus of Valsalva that is abnormal for distal coronary distribution, the situation is Read more