ArticleEuropean heart journal. Case reports2026
Transcatheter edge-to-edge repair with DragonFly
Article in European heart journal. Case reports, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Background: Transcatheter edge-to-edge repair (TEER) has emerged as an alternative treatment for severe mitral regurgitation (MR). However, complex anatomical features of mitral valve pose significant technical and procedural challenges for TEER. In patients whose effective regurgitation reduction requires multiple clips, a small mitral valve area (MVA) limits TEER by increasing the risk of post-procedural elevated transvalvular gradients and iatrogenic stenosis. Case summary: A 90-year-old man presented with progressive tightness of breath that remained refractory to drug-based medical therapy. Echocardiography revealed severe mixed mitral regurgitation characterized by C1 segment prolapse and atrial functional mitral regurgitation with a small MVA of 4.09 cm Discussion: This case highlights the importance of individualized anatomical assessment and tailored device selection in managing patients with MR and complex, challenging structure. Precise clip sizing and stepwise deployment strategies can successfully balance MR reduction while preserving MVA. Such tailored approaches are essential to prevent iatrogenic complications and optimize clinical outcomes in high-risk populations.
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