LAMPOON Best-Practice Guide Issued for Mitral Valve Leaflet Modification

Intentional laceration of the anterior mitral leaflet (LAMPOON) effectively prevents LVOT obstruction from transcatheter mitral valve replacement (TMVR) when risk is identified on preprocedural cardiac CT, per a new interventional working group consensus. The document synthesize…

• Design: A state-of-the-art expert consensus review and best-practice guide synthesizing international experience from a dedicated working group.
• Key focus: Details transcatheter electrosurgery principles, preprocedural cardiac CT for LVOT obstruction risk, and step-by-step LAMPOON technique to expand treatable patient populations. (Exact numbers on efficacy/safety not reported in source)
• Limitation: The paper is a qualitative consensus statement and technical guide; it does not report new systematic review data or meta-analytic effect sizes.

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