| 单词 | 病灶 |
| 释义 | 〔PTCA〕Angioplasty performed to open a narrowed coronary artery, in which a balloon-tipped catheter is inserted into an artery in the groin or shoulder and threaded to the affected part. The balloon is inflated to flatten atherosclerotic plaque against the artery wall and reopen the artery.气球扩张技术，皮冠状动脉腔内成形术：打通变窄的冠状动脉的血管修复术，自鼠蹊或肩部插入一末端附有气球的导管，慢慢抵达病灶处。藉由气球的扩张压平动脉壁上的粥样硬化斑，然后使动脉复通 |
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