RASER 技术在右冠状动脉慢性完全闭塞合并支架断裂中的应用：1 例报告。
An application of RASER technique in the treatment of chronic total occlusion accompanied with stent fracture in right coronary artery: a case report.
机构信息
Department of Cardiology, Beijing Tsinghua Changgung Hospital, Beijing, 102218, China.
Department of Cardiology, Peking University People's Hospital, Beijing, 010010, China.
出版信息
BMC Cardiovasc Disord. 2019 Nov 29;19(1):273. doi: 10.1186/s12872-019-1258-1.
BACKGROUND
The interventional treatment of chronic total occlusion (CTO) with stent fracture as well as severe calcification was extremely difficult and no effective technique has been reported.
CASE PRESENTATION
A 50-year-old woman was hospitalized for angina, angiography revealed triple vessel disease, CTO accompanied with stent fracture in right coronary artery (RCA). Treatment using conventional coronary intervention was expected to be difficult. Therefore, we performed RASER technique, which was a combination of excimer laser coronary atherectomy (ELCA) with rotational atherectomy (RA), followed by the deployment of drug-eluting stents. Intravascular ultrasound (IVUS) revealed well attachment of the stents, the patient was discharged 3 days after the procedure and no recurrent chest discomfort was reported in a follow-up time of 10 months.
CONCLUSION
This case report provided a first report of RASER technique in the treatment of CTO with stent fracture and severe calcification.
背景
支架断裂伴严重钙化的慢性完全闭塞（CTO）的介入治疗极其困难，目前尚无有效的技术报道。
病例介绍
一名 50 岁女性因心绞痛住院，血管造影显示三支血管病变，右冠状动脉（RCA）伴有 CTO 及支架断裂。预计常规冠状动脉介入治疗难度较大。因此，我们采用了 RASER 技术，即准分子激光冠状动脉斑块切除术（ELCA）与旋磨术（RA）联合应用，随后植入药物洗脱支架。血管内超声（IVUS）显示支架贴壁良好，患者在术后 3 天出院，10 个月的随访中未再出现胸痛复发。
结论
本病例报告首次报道了 RASER 技术在治疗支架断裂伴严重钙化的 CTO 中的应用。
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