Revascularization by percutaneous coronary intervention in a case of left main coronary artery atresia

Left main coronary artery atresia (LMCAA) is a rare congenital anomaly of the coronary artery that may have an unfavorable prognosis if left untreated. Surgical revascularization by either coronary artery bypass grafting or coronary reconstruction osteoplasty is unanimously recognized as the treatment of choice for this condition. Here, we first report a case of LMCAA treated with revascularization by percutaneous coronary intervention (PCI) through a retrograde approach. Intravascular ultrasound revealed an unusual coronary structure for the left main artery. PCI appears to be a feasible and effective alternative to surgery for the treatment of LMCAA, particularly if a minimally invasive method is desired.