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Wenzhi Pan, Dawei Lin, Daxin Zhou, Junbo Ge, Anterior leaflet stretch phenomenon during transcatheter edge-to-edge repair: unexpected regurgitation, European Heart Journal - Cardiovascular Imaging, Volume 25, Issue 12, December 2024, Page e328, https://doi.org/10.1093/ehjci/jeae223
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Extract
A 74-year-old male with a 2-year history of chest discomfort and exertional dyspnoea was admitted to our centre. Transthoracic and transoesophageal echocardiograms revealed severe mitral regurgitation (MR) in P3 due to prolapse of the posterior mitral valve leaflet (P3) with ruptured chordae tendineae (Panel A, B, C). No MR in P1 was observed. The patient was subsequently accepted for transcatheter edge-to-edge repair (TEER) with ValveClamp (Hanyu, Shanghai, China), the efficiency and safety of which has been reported before. A single clamp was accurately implanted at the A3 and P3 areas within 20 min (Panel D). Under the examination of transoesophageal echocardiogram, the MR in P3 disappeared immediately (Panel E). However, a novel mild MR appeared in P1, although without any damage of anterior leaflet or choradae in P3 during the operation. (Panel E, F, G). Notably, the P1 anterior leaflet was pulled and moved due to the clamping in P3.