JAHA:TAVR后的冠脉造影评估TAVR-in-TAVR术后冠脉通路受损的风险

2020-06-25 xiangting MedSci原创

目前接受TAVR治疗的患者中,超过30%在TAVR-in-TAVR后冠脉通路不可用。

经导管主动脉瓣置换术(TAVR)后再次进行TAVR(TAVR-in-TAVR)是一种治疗经导管心脏瓣膜(THV)退化的方法。然而,首个THV的移位小叶会产生一个风险平面(RP),冠脉导管无法在该风险平面下通过。这项研究目的是评估TAVR-in-TAVR后冠脉通路(CA)受损的潜在风险。

对使用不同THVs进行TAVR后的137例连续性患者进行了前瞻性冠脉造影,观察导管穿过瓣膜框架的位置。如果冠脉插管是从RP下方通过的,则通过主动脉造影测量瓣膜框架与主动脉壁之间的距离。TAVR-in-TAVR后的CA定义为:如果导管从RP上方通过,则为可行;如果从RP下方通过,且瓣膜到主动脉的距离>2mm,则为理论上可行;如果从RP下方通过,且瓣膜到主动脉的距离≤2mm,则为不可行。

72名患者(53%)使用Sapien 3 THV,26名(19%)使用Evolut Pro/R THV,39名(28%)使用Acurate Neo THV。TAVR-in-TAVR后的CA被认为在40.9%的患者中可行(分别为68.1%、19.2%和5.1%,P<0.001),27.7%理论上可行(分别为8.3%、42.3%和53.8%,P<0.001),31.4%不可行(分别为23.6%、38.5%和41.1%,P=0.116)。TAVR-in-TAVR后CA受损的独立预测因素为女性(比值比[OR],3.99;95% CI,1.07-14.86;P=0.040)、窦管结直径(OR,0.62;95% CI,0.48-0.80;P<0.001)、瓣环上THV植入(OR,6.61;95% CI,1.98-22.03;P=0.002)。

目前接受TAVR治疗的患者中,超过30%在TAVR-in-TAVR后冠脉通路不可用。窦管结小和接受瓣环上THV的患者在TAVR-in-TAVR中潜在CA受损的风险最高。

原始出处:

Luca Nai Fovino. Coronary Angiography After Transcatheter Aortic Valve Replacement (TAVR) to Evaluate the Risk of Coronary Access Impairment After TAVR‐in‐TAVR. JAHA. 24 June 2020.

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    2021-03-23 病毒猎手
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    2020-06-27 zhaohui6731
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    2020-06-27 sodoo

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患者,男,66岁。因为反复胸闷入院行冠脉介入诊疗。

可怕!冠脉犯“路痴”,后果可能很严重!

患者18岁男性,正值风华正茂、意气奋发的时候,在一场激烈的篮球赛中突发意识丧失,持续1分钟后自行恢复,恢复后出现持续性胸痛和呼吸困难。