Efficacy of Three-Dimensional Electroanatomic Mapping-Guided Minimally Invasive Transaxillary Atrial Appendage Resection for Focal Atrial Tachycardia Originating from the Atrial Appendage in Children - Takeaways - MDSpire
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Effectiveness of Minimally Invasive Transaxillary Atrial Appendage Resection Using Three-Dimensional Electroanatomic Mapping for Pediatric Focal Atrial Tachycardia Arising from the Atrial Appendage

  • By

  • Wang, LuLu

  • Zhang, Weitao

  • Zhao, Liyun

  • Ai, Feng

  • Hu, Xiaosong

  • Li, Jiangzhen

  • Fan, Taibing

  • Song, Shubo

  • June 24, 2026

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  • 1

    The study evaluated minimally invasive transaxillary atrial appendage resection for pediatric focal atrial tachycardia originating from the atrial appendage.

  • 2

    Out of 27 pediatric patients with atrial tachycardia, 6 were confirmed to have atrial appendage tachycardia, with 5 undergoing appendage resection.

  • 3

    All patients in the appendage resection group achieved immediate termination of atrial tachycardia and restoration of sinus rhythm.

  • 4

    At a median follow-up of 13 months, no recurrence or complications were observed in the appendage resection group.

  • 5

    Left ventricular ejection fraction improved significantly in tachycardia-induced cardiomyopathy patients after appendage resection.

Original Source(s)

Efficacy of Three-Dimensional Electroanatomic Mapping-Guided Minimally Invasive Transaxillary Atrial Appendage Resection for Focal Atrial Tachycardia Originating from the Atrial Appendage in Children

  • by Wang, LuLu , Zhang, Weitao , Zhao, Liyun , Ai, Feng , Hu, Xiaosong , Li, Jiangzhen , Fan, Taibing , Song, Shubo

  • June 24, 2026

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