ArticleEuropean heart journal. Case reports2022
Snare and track (SNACK) technique: a novel approach for successful placement of an intracardiac echocardiogram catheter in the left atrium: a case report.
Article in European heart journal. Case reports, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Placing an intracardiac echocardiogram (ICE) catheter in the left atrium allows for excellent visualization of the left atrial appendage to guide left atrial (LA) appendage occlusion (LAAO). Nonetheless, it requires a separate septal puncture or a unique set of skills to navigate the ICE through a previously prepared septal puncture, which can be challenging. Case summary: This report describes a novel method to insert an ICE in the left atrium through a single septal puncture utilizing a snare technique. A 76-year-old male underwent LAAO by ICE guidance. After obtaining a standard atrial septal puncture, we were unable to advance the ICE into the left atrium. Therefore, we used a loop snare to grasp the ICE catheter-tip in the right atrium and direct it into the left atrium via the prepared septal puncture by tracking a pigtail wire that we routinely place as part of the procedure. Afterward, the left atrial appendage was successfully occluded with a Watchman device (Boston Scientific, Galway, Ireland), and the patient was discharged home without complications. Discussion: The described technique could be a helpful tool for ICE placement to the left atrium in a controlled fashion, especially when challenging anatomy is encountered.
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