ArticleInterdisciplinary cardiovascular and thoracic surgery2025
Free Margin Running Suture Repair for Bileaflet Mitral Valve Prolapse in Patients with Left Ventricular Dysfunction: A Mid-term Follow-up Study.
Article in Interdisciplinary cardiovascular and thoracic surgery, 2025. 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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Abstract
objectivesRepairing severe mitral regurgitation (MR) in patients with degenerative bileaflet prolapse and reduced left ventricular ejection fraction (LVrEF) is challenging. The Free Margin Running Suture (FMRS) technique offers a non-resectional approach, but mid-term data are limited.
methodsWe analysed 28 patients with bileaflet degenerative MR and LVrEF (≤40%) undergoing FMRS. Primary outcomes were mid-term survival and MR recurrence; secondary outcomes included LVEF, in-hospital complications, transmitral gradient, coaptation length, and mitral valve orifice area.
resultsMean age was 59.3 ± 12.8 years; 69.4% were male. No perioperative deaths; 1 patient required ECMO. Mean aortic cross-clamp time was 47 ± 18.6 min. Over 4.7 years, survival was 100%, with 1 case of moderate MR recurrence. At follow-up, LVEF improved to 43.04 ± 2.26 (P < 0.001), and all patients were NYHA I-II.
conclusionsFMRS is a minimally invasive, reproducible technique providing durable repair, symptomatic improvement, and excellent mid-term survival.
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