JACC:经导管肺动脉瓣退化后再次介入治疗的结局

2020-07-23 xiangting MedSci原创

TPV-in-TPV可以有效和持久地治疗Melody瓣膜功能障碍。

这项研究旨在评估经导管肺动脉瓣(TPVs)退化后再次经导管介入治疗的结局。

使用Melody瓣膜进行TPV置换(TPVR)可以持续缓解右心室流出道梗阻(RVOT)和肺动脉返流。

纳入美敦力赞助的3个前瞻性多中心研究中所有使用Melody瓣膜进行TPVR患者。经导管再介入治疗包括既往植入Melody瓣膜的球囊扩张、植入TPV内放置裸金属支架或在RVOT中放置新的TPV(TPV-in-TPV)。再介入的指征、再介入的决定以及再介入的方法由医生自行决定。所有患者均提供了参加试验的书面知情同意书,并且每个试验均由参与地的机构审查委员会或伦理委员会批准。

共有309例使用Melody瓣膜进行TPVR的患者出院。46例患者接受了TPV经导管再介入治疗。首次经导管再介入治疗包括28例患者进行了TPV-in-TPV(TPVR后中位时间6.9年[第1四分位至第3四分位:5.2-7.8年),17例患者进行了植入Melody瓣膜的单纯球囊扩张术(TPVR后中位时间4.9年[第1四分位至第3四分位:4.0-6.0年]),1例患者仅放置了裸金属支架(TPVR后4.4年)。没有重大的手术并发症。总体而言,首次再介入治疗后的4年内,无支架取出和RVOT再介入的比例分别为83%和60%。接受TPV-in-TPV的患者不再进行RVOT再介入的比例高于球囊扩张患者(4年时71%vs.46%;p=0.027)。

TPV-in-TPV可以有效和持久地治疗Melody瓣膜功能障碍。尽管对Melody瓣膜进行球囊扩张短期内可以有效减少RVOT梗阻,但与TPV-in-TPV相比,该疗法在该队列中的持久性有限。

原始出处:

Shabana Shahanavaz. Outcomes After Transcatheter Reintervention for Dysfunction of a Previously Implanted Transcatheter Pulmonary Valve. JACC:Cardiovascular Interventions. July 2020.

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    2021-06-06 hbwxf
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    2020-07-25 lsj631
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    2020-07-23 老婆子

    学习了

    0

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