长期跟踪数据 弗莱凯尼德作为抗心律失常的抗心律失常的右心室心肌病的使用:一个多中心研究
Sean Gaine1, Thomas Rolland2, Babken Asatryan1
1Department of Cardiology, Division of Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland, USA.
JACC. Clinical electrophysiology
|April 17, 2025
概括
弗莱凯尼德有效地降低了心律失常的右心室心肌病 (ARVC) 患者的心律失常心律失常. 这项研究证实了其在各种患者群体的安全性和有效性,包括左心室干扰患者.
科学领域:
- 心脏病学 心脏病学
- 遗传学 是一个遗传学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 节律失调的右心室心肌病 (ARVC) 是一种遗传性心脏病,具有高风险的心室心律失常 (VA).
- 有限的临床数据存在于flecainide在ARVC的使用,特别是在没有植入式心脏转换器-除器或左心室 (LV) 参与的患者.
- 动物模型暗示了弗莱卡因的潜在治疗作用,这些动物模型抑制了二受体.
研究的目的:
- 评估在被诊断为ARVC的患者中,弗莱卡尼尼德治疗的长期安全性和有效性.
- 评估弗莱卡尼德对多中心队列中心律失常结果的影响.
- 通过基因型和LV参与来分层分析flekainide的影响.
主要方法:
- 来自12个机构的191名确定的ARVC患者被纳入.
- 在弗莱卡尼德治疗前和治疗期间收集过早的腹腔复合体 (PVC) 负担,非持续的腹腔动心率 (NSVT) 和持续的VA的数据.
- 分析包括对心律失常事件,副作用,停药率和基因型 (PKP-2阳性/阴性) 和LV参与度的分层进行比较.
主要成果:
- 弗莱卡尼德的耐受性很好,停药率很低 (7.9%).
- 在开始使用弗莱卡尼德后,PVC负担 (2,190比418;P<0.001) 和NSVT率 (35.1%比21.5%;P=0.003) 显著降低.
- 患有先前VA事件的患者每年VA事件显著减少 (1.1比0;P<0.001).
结论:
- 弗莱卡尼德在ARVC患者中显示出良好的安全性.
- 弗莱卡因治疗显著降低了ARVC的整体心律失常负担.
- 这些好处是一致的,无论患者的基因型或LV参与的存在.
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