Cardio-oncology & other

Mitral valve replacement or repair and long-term risk of infective endocarditis: a Danish nationwide study

Eur Heart JPublished Nationwide registry-based cohort study

Authors' conclusion

In this nationwide study, MV replacement was associated with a 3.5-fold increased 10-year IE rate, whereas MV repair was not significantly associated with IE, compared with patients at moderate risk of IE.

Study context

Population
Patients undergoing isolated mitral valve (MV) replacement or repair and patients at moderate risk of infective endocarditis (IE), Denmark 2000–2020
Participants
1,220 / 3,239 / 209,517
Exposure
MV replacement or MV repair vs moderate risk of IE
  • MV replacementn = 1,220
  • MV repairn = 3,239
  • Moderate-riskn = 209,517reference
Outcome
First-time infective endocarditis (IE)
Follow-up
10 years
Methodological detailsDanish nationwide registries, multivariable-adjusted
  • Danish nationwide registries
  • Multivariable-adjusted

Main finding

As reported in the abstract

10-year cumulative incidence of IE
After multivariable adjustment
Each group vs moderate-riskHazard ratio (95% CI)
MV replacement
3.52(2.73–4.52)
MV repair
0.76(0.56–1.04)

Observational data: associations, not effects.

Original publication

Mitral valve replacement or repair and long-term risk of infective endocarditis: a Danish nationwide study. Eur Heart J. Published 11 July 2025. doi:10.1093/eurheartj/ehaf342

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

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