Recent advances in diagnosis and interventional therapy of coronary artery calcification
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摘要: 冠状动脉钙化(CAC)在经皮冠状动脉介入治疗(PCI)患者中越来越普遍，其明显限制了PCI器械的应用及技术手段实施，导致PCI相关的主要不良心血管事件增多。本文介绍了近些年最新的CAC影像学诊断方法、PCI器械和管理策略，以期更好地改善CAC患者的临床预后。Abstract: Coronary artery calcification(CAC) is increasingly prevalent in percutaneous coronary intervention(PCI) patient population. It significantly limits the procedural success of PCI, and is associated with a higher risk of major adverse cardiovascular events both in the short-term and long-term. This review introduces the latest imaging diagnosis methods, PCI instruments and management strategies of CAC in recent years, in order to improve the clinical prognosis of patients with CAC.
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表 1 腔内影像学对冠脉钙化程度的分级
Table 1. Intracavitary imaging grading of coronary calcification degree
项目 IVUS的钙化评分 OCT的钙化评分 评分标准 ①钙化长度>5 mm(钙化弧度>270°)(1分)
②360°环形钙化(1分)
③血管直径≤3.5 mm(1分)
④钙化结节(1分)①钙化弧度>180°(2分)，90~180°(1分)
②钙化长度>5 mm(1分)
③横截面钙化厚度>0.5 mm(1分)轻中度钙化 0~1 0~3 重度钙化 ≥2 ≥4 
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