在冠状动脉介入治疗术后一段时间 ,干预的靶病变部位两端重新出现狭窄或其它病变 ,最初是在冠状动脉内介入放射治疗后观察到的 ,后来发现 ,这一现象并不局限于冠状动脉内介入放射治疗 ,也见于冠状动脉介入治疗的其它技术 ,如支架等。这一效应常导致局部冠状动脉病变程度加重 , At some point after coronary intervention, the stenosed or other lesions reappear at both ends of the targeted lesion, initially observed after intracoronary interventional radiation therapy and later found that this phenomenon is not confined to the coronary arteries Within the interventional radiotherapy, but also found in other techniques of coronary intervention, such as stents and so on. This effect often leads to increased degree of local coronary artery disease,