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Comparison of meta-analytical estimates of outcomes after Alfieri or neochordal repair in isolated anterior mitral prolapse

European journal of cardio-thoracic surgery, 2023-02, Vol.63 (2) [Peer Reviewed Journal]

The Author(s) 2023. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved. ;ISSN: 1873-734X ;EISSN: 1873-734X ;DOI: 10.1093/ejcts/ezac587 ;PMID: 36629477

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  • Title:
    Comparison of meta-analytical estimates of outcomes after Alfieri or neochordal repair in isolated anterior mitral prolapse
  • Author: Khairallah, Sherif ; Rahouma, Mohamed ; Dabsha, Anas ; Demetres, Michelle ; Gaudino, Mario Fl ; Mick, Stephanie L
  • Subjects: Heart Valve Prosthesis Implantation - adverse effects ; Humans ; Mitral Valve Insufficiency - epidemiology ; Mitral Valve Insufficiency - etiology ; Mitral Valve Insufficiency - surgery ; Mitral Valve Prolapse - complications ; Prolapse ; Reoperation - adverse effects ; Retrospective Studies ; Time Factors ; Treatment Outcome
  • Is Part Of: European journal of cardio-thoracic surgery, 2023-02, Vol.63 (2)
  • Description: Repair of the isolated degenerative anterior mitral leaflet has been considered more challenging and associated with compromised durability compared with isolated posterior leaflet in major series. Implantation of neochordae or Alfieri edge-to-edge is the most employed repair technique for isolated anterior repair currently, but little data exist comparing their relative durability. We sought to investigate this issue with this meta-analysis. A literature search was performed (Ovid MEDLINE, Ovid Embase and The Cochrane Library). The primary outcome was the incidence rate (IR) of reoperation, the secondary outcomes were recurrent moderately severe/severe mitral regurgitation (MR), in-hospital/30-day reoperation and mortality and follow-up mortality. A random-effect model was used. Leave-one-out, subgroup analysis (Alfieri versus neochordae) and meta-regression were done. Seventeen studies (including 1358 patients) were included. At a weighted mean follow-up of 5.56 ± 3.31 years, the IR for reoperation was 14.45 event per 1000 person-year and significantly lower in Alfieri than neochordae repair (9.40 vs 18.61, P = 0.04) on subgroup analysis. The IR of follow-up moderately severe/severe MR was 19.89 event per 1000 person-year and significantly lower in Alfieri than neochordae repair (10.68 and 28.63, P = 0.01). In a sensitivity analysis comparing homogenous studies, a significant difference in the recurrence of regurgitation in favour of the Alfieri approach remained. There were no differences in operative outcomes or survival. There were significant associations between increased incidence of late reoperation and New York Heart Association class III/IV and associated coronary artery bypass graft procedure for whole cohort. Alfieri repair may be associated with a lower incidence of recurrent MR compared with neochordae-based repair in the setting of isolated degenerative anterior mitral pathology. This is the first such meta-analysis and further inquiry into this area is needed.
  • Publisher: Germany
  • Language: English
  • Identifier: ISSN: 1873-734X
    EISSN: 1873-734X
    DOI: 10.1093/ejcts/ezac587
    PMID: 36629477
  • Source: MEDLINE
    Alma/SFX Local Collection
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