Valvular & structural heart disease

Impact of Recurrent Mitral Regurgitation Following Mitral Transcatheter Edge-to-Edge Repair on Long-Term Outcomes

JACC Cardiovasc IntervPublished retrospective cohort

Main finding · All-cause mortalityResult — go to the resultHazard ratio 1.43 95% CI 1.06–1.93

Authors' conclusion

recMR is common and independently associated with increased mortality after M-TEER, with a more pronounced effect in patients with DMR. Identification of patients at risk may inform closer surveillance and timely reintervention.

Study context

Population
Patients with mitral regurgitation (MR) undergoing successful mitral transcatheter edge-to-edge repair (M-TEER) (residual mitral regurgitation ≤2+ at discharge) between 2008 and 2021consecutive patients with successful M-TEER · functional mitral regurgitation (FMR) 326 · degenerative mitral regurgitation (DMR) 135
Participants
461 patients
Exposure
Patients with recurrent mitral regurgitation (recMR) vs without recMR after successful M-TEER
  • recMRn = 146
Outcome
All-cause mortality
Follow-up
4 years
Methodological detailsconsecutive patients, 12-month landmark analysis, multivariable Cox regression
  • Consecutive patients
  • 12-month landmark analysis
  • Multivariable Cox regression

Main finding

As reported in the abstract

Hazard ratio

1.43

95% CI 1.06–1.93

P = 0.019

By group

Patients with recMRvs without recMR after successful M-TEER
HR 1.43 (95% CI 1.06–1.93); P = 0.019

Observational data: associations, not effects.

Further findings

Survival, 12-month landmark analysis

Absence of recMR associated with improved survival (log-rank)
P = 0.0088

Survival by MR aetiology

DMR: survival difference significant (log-rank)
P = 0.014
FMR: survival difference not significant
P = 0.11

Incidence of recMR

recMR overall
31.7% (146 of 461)
recMR among FMR
31.9% [104 of 326]
recMR among DMR
31.1% [42 of 135]
Median follow-up
3.44 years (Q1-Q3: 1.51-3.99 years)

Original publication

Impact of Recurrent Mitral Regurgitation Following Mitral Transcatheter Edge-to-Edge Repair on Long-Term Outcomes. JACC Cardiovasc Interv. Published 26 October 2026. doi:10.1016/j.jcin.2026.07.015

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