Circulation:与早期复极综合征相关的室颤的定位和消融

2019-11-03 QQY MedSci原创

Nademanee等人开展了一项多中心研究,以评估对复极综合征(ERS)或J-波综合征(JWS)早期患者的心室颤动(VF)基质或VF触发器进行定位和消融的效果和安全性。本研究共纳入52位具有复发性房颤发作的ERS患者(4位女性,中位年龄35岁)。在窦性心律和室颤期间,对触发点、基质和驱动因素进行体表心电图、心内膜和心外膜电解剖绘图。在室颤基质上进行消融。52位患者中有51位有可显示2种表型的详细图

Nademanee等人开展了一项多中心研究,以评估对复极综合征(ERS)或J-波综合征(JWS)早期患者的心室颤动(VF)基质或VF触发器进行定位和消融的效果和安全性。

本研究共纳入52位具有复发性房颤发作的ERS患者(4位女性,中位年龄35岁)。在窦性心律和室颤期间,对触发点、基质和驱动因素进行体表心电图、心内膜和心外膜电解剖绘图。在室颤基质上进行消融。

52位患者中有51位有可显示2种表型的详细图谱:1组为主要发生在右心室(RV)心外膜的后期去极化异常(40位患者), 2组无去极化异常(11位患者)。1组可进一步细化分成两组:1A组为具有Brugada心电图模式的ERS患者,共33位;1B组为无Brugada心电图模式的ERS患者,共7位。后期去极化区域与室颤驱动区重叠。右心室前流出道/右心室心外膜和右心室下心外膜是1组的主要基质部位。浦肯野网络是2组室颤的主要触发机制。43位患者进行了消融治疗:1组有31位患者仅进行了室颤基质消融,有5位患者采用了室颤基质联合室颤触发区域消融;2组的6位患者和1位未分组的患者采用了浦肯野室颤触发器消融。消融成功减少了室颤的复发。随访31±26个月期间,39%(91%)的患者未复发室颤。

ERS/J-波综合征的两种表型:一种是后期去极化异常,机制是J-波的高振幅升高,主要发生在右心室外流出道和右心室下心外膜;另一种是没有VF基质的单纯ERS,但存在有与浦肯野位点相关的室颤触发器。消融可有效治疗有症状的频发室颤的ERS/ J-波综合征患者。

原始出处:

Koonlawee Nademanee, et al.Mapping and Ablation of Ventricular Fibrillation Associated With Early Repolarization Syndrome.Circulation. 2019;140:1477–1490

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    2019-11-03 一天没事干

    很好的学习机会

    0

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    2019-11-03 飛歌

    学习了很有用不错

    0

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