Repair with annuloplasty only of balanced bileaflet mitral valve prolapse with severe regurgitation

Ehud Raanani, Ehud Schwammenthal, Yaron Moshkovitz, Hillit Cohen, Alexander Kogan, Yael Peled, Leonid Sternik, Eilon Ram

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVES: Repair of severe mitral valve and mitral regurgitation (MR) in patients with degenerative bileaflet pathology can be challenging. Initial results with a ring-only repair (ROR) approach have shown promising results, but long-term outcomes in larger series are lacking. We report on outcomes of ROR in severe MR secondary to bileaflet prolapse, including Barlow's disease. METHODS: Eighty patients with degenerative multi-segment bileaflet disease underwent ROR for severe MR with a predominantly central regurgitant jet indicating balanced bileaflet prolapse. The main outcome measure of this study was long-term recurrent MR probability. Secondary outcomes were late mortality, reoperation and in-hospital complications. RESULTS: The mean age was 53 ± 15 years and 54% were males. The mean ejection fraction was 59.2 ± 6.6, 24% and 40% had atrial fibrillation. Barlow's disease was found in 77% of the patients. Minimally invasive surgery was performed in 15 patients (19%). There were no perioperative mortalities or cerebrovascular events in the entire cohort. Post-repair mild outflow tract obstruction (systolic anterior motion) was observed in 4 patients (5%) after ROR. In a mean follow-up of 60 ± 48 months, there was 1 case of death. At follow-up, there was 1 (1%) reoperation due to recurrent MR, and 4 patients who had recurrent moderate or more MR. The 10-year freedom from recurrent MR was 97%. None had severe MR at the latest follow-up. CONCLUSIONS: In patients with severe MR and a central regurgitant jet secondary to balanced multi-segment bileaflet mitral valve prolapse, ROR is a simple and efficient approach providing excellent long-term results without a substantial risk of systolic anterior motion.

Original languageEnglish
Pages (from-to)908-916
Number of pages9
JournalEuropean Journal of Cardio-thoracic Surgery
Volume61
Issue number4
DOIs
StatePublished - 1 Apr 2022

Keywords

  • Annuloplasty
  • Barlow disease
  • Bileaflet prolapse
  • Mitral valve repair
  • Multi-segment prolapse
  • Ring-only repair

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