Kesek Milos, Englund Anders, Jensen Steen M, Jensen-Urstad Mats
Department of Cardiology, Heart Centre, University Hospital, Umeå, Sweden.
Heart Rhythm. 2007 Jan;4(1):17-9. doi: 10.1016/j.hrthm.2006.09.016. Epub 2006 Sep 16.
Ablation procedures in the left atrium for treatment of atrial fibrillation are becoming increasingly common. The procedure often involves placing one or two circular mapping catheters in the left atrium. Entrapment of an ablation catheter in the mitral valve during ablations of left-sided accessory pathways by the retrograde approach has been described in two earlier published reports. More recently, several reports describe similar entrapment of a mapping catheter. In a recently published review, however, only one case of unspecified valve damage was registered among 8745 atrial fibrillation procedures.
The purpose of this study was to evaluate patients with entrapment.
Retrospective analysis of electrophysiological results.
We describe three patients with entrapment during ablations for atrial fibrillation. The entrapments occurred with three different operators at three different electrophysiological laboratories within 2 years. The complication described here may be more common than is widely appreciated.
From our figures, we estimate the incidence of the complication to 0.9% (95% confidence interval, 0.2-2.5%).
左心房消融术治疗心房颤动正变得越来越普遍。该手术通常需要在左心房放置一根或两根环形标测导管。两份较早发表的报告描述了在通过逆行途径消融左侧旁路时消融导管被困于二尖瓣的情况。最近，几份报告描述了类似的标测导管被困情况。然而，在最近发表的一篇综述中，8745例心房颤动手术中仅记录到1例未明确瓣膜损伤的病例。
本研究的目的是评估导管被困的患者。
对电生理结果进行回顾性分析。
我们描述了3例在心房颤动消融术中导管被困的患者。这些被困情况在2年内于3个不同的电生理实验室由3位不同的操作者发生。此处描述的并发症可能比普遍认为的更为常见。
根据我们的数据，我们估计该并发症的发生率为0.9%（95%置信区间，0.2 - 2.5%）。
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