Department of Medicine, the Methodist Hospital, Houston, Texas.
Catheter Cardiovasc Interv. 2013 Nov 1;82(5):E684-7. doi: 10.1002/ccd.25093. Epub 2013 Aug 12.
Left main coronary artery (LMCA) disease caused by external compression by a dilated main pulmonary artery (MPA) is an uncommon clinical entity but is one of the reversible causes of chest pain in patients with pulmonary hypertension. Traditionally, treatment of LMCA disease involves coronary artery bypass graft surgery. However, for LMCA compression by a dilated MPA, coronary angioplasty with stenting has recently been reported to have good outcomes and might be more suitable in some patients with high risk associated with surgery. Herein, we describe a 54-year-old man with pulmonary arterial hypertension and external compression of the LMCA by the dilated main pulmonary artery that was treated with angiographic and intravascular ultrasound-guided coronary angioplasty and stenting. Also we briefly review current literatures about LMCA compression by a dilated MPA.
左主干冠状动脉（LMCA）由扩张的主肺动脉（MPA）外部压迫引起的疾病是一种不常见的临床实体，但它是肺动脉高压患者胸痛的可逆性原因之一。传统上，LMCA 疾病的治疗包括冠状动脉旁路移植术。然而，对于扩张的 MPA 引起的 LMCA 压迫，最近有报道称经皮冠状动脉成形术和支架置入术有良好的效果，并且对于某些与手术相关的高危患者可能更合适。在此，我们描述了 1 例 54 岁男性，患有肺动脉高压，LMCA 被扩张的主肺动脉外部压迫，采用血管造影和血管内超声引导下的冠状动脉成形术和支架置入术进行治疗。我们还简要回顾了目前关于扩张的 MPA 压迫 LMCA 的文献。
