Among 1 290 cases, 82 cases were with CMB (6.3%). CMB was mainly found in the left anterior descending (LAD).

• 在1290例行选择性冠状动脉造影人群中；共发现冠状动脉心肌桥82例(6.；3%25)；主要发生于左前降支(LAD)；仅1例见于左回旋支(LCX)。