TCT2018:里程碑式研究:介入治疗心衰合并二尖瓣反流降低38%死亡率

2018-09-26 xujing 中国循环杂志

TCT大会主席Gregg W. Stone教授公布了COAPT研究结果,首次证实了二尖瓣钳夹术(MitraClip)治疗继发于左心功能衰竭的二尖瓣严重反流的安全性和有效性,MitraClip能使这类患者的死亡率降低38%。


TCT大会主席Gregg W. Stone教授公布了COAPT研究结果,首次证实了二尖瓣钳夹术(MitraClip)治疗继发于左心功能衰竭的二尖瓣严重反流的安全性和有效性,MitraClip能使这类患者的死亡率降低38%。

专家认为,COAPT研究具有里程碑意义,是心衰领域的一个革命性研究,该研究有可能改变临床实践,同时也提示全球二尖瓣介入器械研发领域的一个重大利好。

该研究结果同步刊登在新英格兰医学杂志上。

MitraClip是首个被证实是可以改善继发于左心功能衰竭的二尖瓣严重反流患者预后的治疗方法。

COAPT研究共计纳入610例心力衰竭合并中-重度或重度二尖瓣反流患者,在应用最大耐受剂量药物治疗后仍有症状的患者。

312例患者给予最大耐受剂量的优化药物治疗,302例在优化药物治疗的基础上联合使用MitraClip。随访2年。主要终点包括有效性终点(两年内因心衰再入院率)及安全性终点(12个月内器械相关并发症)。

结果显示,药物治疗患者的再住院率为67.9%,MitraClip治疗患者为35.8%,相对下降了47%。

药物治疗患者的2年死亡率为46.1%,MitraClip治疗患者为29.1%,死亡率相对下降38%。

此外,MitraClip治疗患者的无器械相关并发症的12个月生存率为96.6%。

原始出处:

Stone GW, et al. Transcatheter mitral-valve repair in patients with heart failure. N Engl J Med, 2018. DOI:10.1056/NEJMoa1806640.

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    2019-02-08 xzw113
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    2018-09-28 wwzzly
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    2018-09-28 feifers

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