卧位型心绞痛是指平卧位引起的心绞痛发作,发作时患者须坐起甚至站立以减轻胸痛,夜间发作多在平卧后1～3h内。白天尤其是在餐后平卧也可诱发。此类患者常先有或同时有重度劳累性心绞痛,冠状动脉造影常有多支严重的冠状动脉阻塞性病变,且不同程度存在左心室舒张功能障碍。本研究 Supine position refers to the angina caused by supine position attack, attack patients must sit or even stand to reduce chest pain, night attacks and more in 1 ~ 3h after supine. During the day, especially after supper, supine can also be induced. Such patients often have or at the same time have severe angina pectoris, coronary angiography often multiple serious coronary occlusive disease, and to varying degrees, there is left ventricular diastolic dysfunction. this research