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背景:有关在已核准适应证以外情况下使用药物洗脱支架的资料有限。目的:观察在经皮冠状动脉介入(PCI)适应证外(再狭窄、血管桥病变、长病变、血管大小超过推荐使用范围)和未经测试(左主干、开口处、分叉处或完全闭塞病变)的情况下使用药物洗脱支架的频
Background: There is limited information on the use of drug-eluting stents outside of approved indications. PURPOSE: To observe the effect of percutaneous coronary intervention (PCI) on indications (restenosis, vasculo-bridge lesion, long lesion, vessel size exceeding the recommended range of use) and untested (left main, open, bifurcation, Lesions) using drug-eluting stent frequency