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冠状动脉支架置入术已成为治疗冠心病的常用手段,尽管支架术后6个月内血管再通率超过90.0%,仍有15.0%～20.0%患者可能发生再狭窄〔1〕。故及时正确地评价是否发生术后再狭窄及闭
Coronary stenting has become a common treatment for coronary heart disease. Although the recanalization rate exceeds 90.0% within 6 months after stenting, there are still 15.0% -20.0% of patients may have restenosis [1]. Therefore, timely and correct assessment of whether postoperative restenosis and closure occurred