TCT-379 First Experience With the ExpanSure Dilation System to Streamline Transseptal Puncture for Left Atrial Appendage Closure

Jacqueline Saw,Thomas Gilhofer,Darwin Yeung,Michael Tsang

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY（2019）

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摘要

Transseptal access for delivery sheaths may encounter tissue resistance against the sheath-dilator interface, requiring tissue dilation or repuncture at a thinner part of the interatrial septum. The authors report the first clinical experience using a novel transseptal system with no sheath-dilator

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