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- W4213234788 abstract "This study evaluated the incidence, management, and outcome of patients who experienced MitraClip (Abbott Vascular) failure secondary to loss of leaflet insertion (LLI), single leaflet detachment (SLD), or embolization.Transcatheter edge-to-edge repair with MitraClip is an established therapy for the treatment of mitral regurgitation (MR), but no data exist regarding the prevalence and outcome according to the mode of clip failure.Between January 2009 and December 2020, we retrospectively screened 4,294 procedures of MitraClip performed in 19 centers. LLI was defined as damage to the leaflet where the MitraClip was attached, SLD as demonstration of complete separation between the device and a single leaflet tissue, and clip embolization as loss of contact between MitraClip and both leaflets.A total of 147 cases of MitraClip failure were detected (overall incidence = 3.5%), and these were secondary to LLI or SLD in 47 (31.9%) and 99 (67.3%) cases, respectively, whereas in 1 (0.8%) case clip embolization was observed. MitraClip failure occurred in 67 (45.5%) patients with functional MR, in 64 (43.5%) patients with degenerative MR, and 16 (10.8%) with mixed etiology. Although the majority of MitraClip failures were detected before discharge (47 intraprocedural and 42 in the hospital), up to 39.5% of cases were diagnosed at follow-up. In total, 80 (54.4%) subjects underwent a redo procedure, either percutaneously with MitraClip (n = 51, 34.7%) or surgically (n = 36, 24.5%) including 4 cases of surgical conversion of the index procedure and 7 cases of bailout surgery after unsuccessful redo MitraClip. After a median follow-up of 163 days (IQR: 22-720 days), 50 (43.9%) subjects presented moderate to severe MR, and 43 (29.3%) patients died. An up-front redo MitraClip strategy was associated with a trend toward a reduced rate of death at follow-up vs surgical or conservative management (P = 0.067), whereas postprocedural acute kidney injury, age, and moderate to severe tricuspid regurgitation were independent predictors of death.MitraClip failure secondary to LLI and SLD is not a rare phenomenon and may occur during and also beyond hospitalization. Redo MitraClip strategy demonstrates a trend toward a reduced risk of death compared with bailout surgery and conservative management. A third of those patients remained with more than moderate MR and had substantial mortality at the intermediate-term follow-up." @default.
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- W4213234788 date "2022-02-01" @default.
- W4213234788 modified "2023-10-17" @default.
- W4213234788 title "Management and Outcome of Failed Percutaneous Edge-to-Edge Mitral Valve Plasty" @default.
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- W4213234788 doi "https://doi.org/10.1016/j.jcin.2021.11.040" @default.
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