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Delayed hospitalisation for heart failure after transcatheter repair or medical treatment for secondary mitral regurgitation : a landmark analysis of the MITRA-FR trial
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Leurent, Guillaume, Auffret, Vincent, Donal, Erwan, Corbineau, Hervé, Grinberg, Daniel, Bonnet, Guillaume, Leroux, Pierre-Yves, Guérin, Patrice, Wautot, Fabrice, Lefèvre, Thierry, Messika-Zeitoun, David, Iung, Bernard, Armoiry, Xavier, Trochu, Jean Noël, Boutitie, Florent and Obadia, Jean-Francois (2022) Delayed hospitalisation for heart failure after transcatheter repair or medical treatment for secondary mitral regurgitation : a landmark analysis of the MITRA-FR trial. EuroIntervention, 18 (6). pp. 514-523. doi:10.4244/EIJ-D-21-00846 ISSN 1969-6213.
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Official URL: https://doi.org/10.4244/EIJ-D-21-00846
Abstract
Background: In the MITRA-FR trial, transcatheter mitral valve repair (TMVR) was not associated with a 2-year clinical benefit in patients with secondary mitral regurgitation (SMR).
Aims: This landmark analysis aimed at investigating a potential reduction of the hospitalisation rate for heart failure (HF) between 12 and 24 months after inclusion in the MITRA-FR trial in patients randomised to the intervention group (TMVR with the MitraClip device), as compared with patients randomised to the control group (guideline-directed medical therapy [GDMT]).
Methods: The MITRA-FR trial randomised 307 patients with SMR for TMVR on top of GDMT (TMVR group; n=152) or for GDMT alone (control group; n=155). We conducted a 12-month landmark analysis in surviving patients who were not hospitalised for HF within the first 12 months of follow-up. The primary endpoint was the 1-year cumulative number of HF hospitalisations.
Results: A total of 140 patients (TMVR group: 67; GDMT group: 73) were selected for this landmark analysis with similar characteristics at inclusion in the trial. The primary endpoint was 28 events per 100 patient-years in the TMVR group, as compared with 60 events per 100 patient-years in the GDMT group (hazard ratio [HR] 0.46, 95% confidence interval [CI]: 0.20-1.02; p=0.057).
Conclusions: In this landmark analysis of the MITRA-FR trial, the cumulative rate of HF hospitalisation between 12 and 24 months among patients treated with TMVR on top of GDMT was approximately half as many as those of patients treated with GDMT alone, a difference which did not reach statistical significance in the setting of a low number of events.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Population, Evidence & Technologies (PET) Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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SWORD Depositor: | Library Publications Router | ||||
Journal or Publication Title: | EuroIntervention | ||||
ISSN: | 1969-6213 | ||||
Official Date: | 25 May 2022 | ||||
Dates: |
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Volume: | 18 | ||||
Number: | 6 | ||||
Page Range: | pp. 514-523 | ||||
DOI: | 10.4244/EIJ-D-21-00846 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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