Minimally Invasive Mitral Valve Repair Using the Seamless Patch for Catheter Ablation-Induced Mitral Regurgitation.
case_report · Level V
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- Record sourced from PubMed, PMID 42140536.
- Also identified by DOI 10.1016/j.athoracsur.2026.04.056.
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Abstract
Repair of completely lost mitral leaflet segments is technically challenging, particularly with minimally invasive cardiac surgery. This report describes a case of iatrogenic mitral regurgitation after catheter ablation that was successfully treated with minimally invasive mitral valve repair using a seamless patch technique. A 55-year-old man experienced severe mitral regurgitation and moderate tricuspid regurgitation after repeated ablations for ventricular tachycardia. Intraoperatively, the P1 leaflet and chordae tendineae were completely absent, with subannular scarring. Seamless patch reconstruction was performed using glutaraldehyde-treated autologous pericardium to recreate a dome-shaped P1 segment, combined with ring annuloplasty. Postoperative recovery was uneventful, with normal valve function at 2-year follow-up.