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.

中文翻译：

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经皮冠状动脉介入治疗左冠状动脉主干闭锁血运重建

左主干冠状动脉闭锁 (LMCAA) 是一种罕见的冠状动脉先天性异常，如果不及时治疗可能预后不良。通过冠状动脉旁路移植术或冠状动脉重建骨成形术进行的外科血运重建被一致认为是这种情况的首选治疗方法。在这里，我们首先报告一例经皮冠状动脉介入治疗 (PCI) 通过逆行方法进行血运重建治疗的 LMCAA。血管内超声显示左主动脉的冠状动脉结构异常。对于 LMCAA 的治疗，PCI 似乎是一种可行且有效的手术替代方法，尤其是在需要微创方法的情况下。