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First mitral valve replacement using Edwards MITRIS RESILIA mitral valve in a patient with functional mitral regurgitation: a case report
  • +4
  • Takashi Kakuta,
  • Tomoyuki Fujita,
  • Satoshi Kainuma,
  • Naonori Kawamoto,
  • Naoki Tadokoro,
  • Ayumi Koga,
  • Satsuki Fukushima
Takashi Kakuta
National Cerebral and Cardiovascular Center
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Tomoyuki Fujita
National Cerebral and Cardiovascular Center
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Satoshi Kainuma
National Cerebral and Cardiovascular Center
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Naonori Kawamoto
National Cerebral and Cardiovascular Center
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Naoki Tadokoro
National Cerebral and Cardiovascular Center
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Ayumi Koga
National Cerebral and Cardiovascular Center
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Satsuki Fukushima
National Cerebral and Cardiovascular Center
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Abstract

RESILIA tissue expected to prevent structural valve deterioration owing to calcification on leaflets was firstly mounted in a mitral bioprosthesis, named MITRIS RESILIA mitral valve (MITRIS). MITRIS has softer cuff than Magna Mitral Ease and stent posts that deflect to prevent suture looping. A 77-year-old man, having a history of long-standing atrial fibrillation, presented with dyspnea on effort. An echocardiography suggested atrial functional MR. We successfully replaced mitral valve using a 27-mm MITRIS, and his postoperative course was uneventful with good hemodynamics. MITRIS may have advantages for implantability and durability, making it a promising prosthesis for patients requiring mitral surgery.