Valvular & structural heart diseaseCohort study

Prognostic Value of NT-ProBNP in Patients with Primary Mitral Regurgitation Undergoing Transcatheter Edge-To-Edge Repair

Eur J Heart FailPublished

  • Retrospective cohort study
  • international
  • multicentre registry (PRIME-MR)

Authors' conclusion

NT-proBNP, but not the MIDA score, was independently associated with death or heart failure hospitalizations within 3 years in M-TEER-treated PMR patients.

Study context

Population
Patients with primary mitral regurgitation undergoing mitral valve transcatheter edge-to-edge repair (M-TEER), with available NT-proBNP and follow-upof 3083 in registry
Participants
1,382 patients
Exposure
NT-proBNP and MIDA score as predictors of outcome
Outcome
Death or HF hospitalization
Follow-up
3 years

Main finding

As reported in the abstract

Adjusted hazard ratio

1.17

95% CI 1.07–1.28

P < 0.001

Log-transformed NT-proBNP
adjusted HR 1.17 (95% CI 1.07–1.28); P < 0.001
Patients reaching primary endpoint
384
Kaplan-Meier estimate
48.5%
Median NT-proBNP (pg/ml)
1991

Observational data: associations, not effects.

Further findings

Modified MIDA score and death or HF hospitalization (n = 1041, median score 9) · 3 years

ComparisonEstimateP value
MIDA scoreHR 1.10 (95% CI 1.04–1.17)P = 0.002
NT-proBNP · adjusted incl. MIDA scoreadjusted HR 1.20 (95% CI 1.07–1.34)P = 0.002
  • Modified MIDA score and death or HF hospitalization (n = 1041, median score 9): unadjusted for NT-proBNP; lost significance after adjusting for NT-proBNP

Original publication

Prognostic Value of NT-ProBNP in Patients with Primary Mitral Regurgitation Undergoing Transcatheter Edge-To-Edge Repair. Eur J Heart Fail. Published 18 June 2025. doi:10.1002/ejhf.3725

Summarised from the published abstract; every number is checked against it