JACC:术者的丰富经验,可改善二尖瓣手术结果

2019-10-09 国际循环编辑部 国际循环

经导管二尖瓣修复术(TMVr)用于治疗二尖瓣返流(MR)是一项复杂的手术,需开发一套独特的技能。近日,发表于JACC的一项研究,Adnan K. Chhatriwalla等研究者探讨使用MitraClip的TMVr术者经验与手术结果的关系。

经导管二尖瓣修复术(TMVr)用于治疗二尖瓣返流(MR)是一项复杂的手术,需开发一套独特的技能。近日,发表于JACC的一项研究,Adnan K. Chhatriwalla等研究者探讨使用MitraClip的TMVr术者经验与手术结果的关系。
 
研究分析来自STS/ACC TVT注册中心的TMVr手术,并以术者案例编号作为连续变量和分类变量(1~25、26~50和> 50)进行分析。探讨手术成功,手术时间和院内手术并发症的结果。使用针对基线临床变量进行校正的广义线性混合模型评估该手术的学习曲线。
 
分析2013年11月~2018年3月在290个中心由562名术者执行的所有TMVr手术(n= 14 923)。最佳手术成功率(≤1+残留MR,无死亡或无心脏手术)在各种类型的术者经验中均有所提高(63.9%,68.4%和75.1%;P<0.001),而手术时间和手术并发症减少。可接受的手术成功率(≤2+残留MR,无死亡或无心脏手术)也随术者经验而增加,但差异较小(91.4%,92.4%和93.8%,P<0.001)。这些关联在校正后的连续变量分析中仍很重要。大约50例患者在学习曲线上的视线拐点在手术时间,手术成功和手术并发症方面很明显,在200例患者中观察到持续改善。
 
对TMVr手术,术者经验与手术成功率,手术时间和手术并发症的改善相关。当考虑达到1+残留MR的目标时,术者经验的影响较大。

原始出处:
Adnan K. Chhatriwalla, Sreekanth Vemulapalli, Molly Szerlip, et al. Operator Experience and Procedural Results of Transcatheter Mitral Valve Repair in the United States. Journal of the American College of Cardiology. Sep 2019.

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    2020-04-21 hbwxf
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    2019-10-11 wwzzly