Valvular & structural heart disease

Impact of Female Sex on Survival and Outcomes After Mitral Valve Surgery: A Meta-Analysis

JACC AdvPublished systematic review and meta-analysis

Pooled result · Primary mitral valve replacementResult — go to the resultOdds ratio 2.15 95% CI 1.62–2.84

Authors' conclusion

Women are more likely to undergo mitral valve replacement and have higher recurrent regurgitation, whereas adjusted mortality is similar, suggesting potential benefit of repair-focused strategies when feasible.

Study context

Population
Men and women undergoing surgical mitral valve surgerypatients in sixteen studies
Participants
42,587 men
Comparison
Female sex vs men undergoing surgical mitral valve surgery
Outcome
Primary mitral valve replacement
Methodological detailsrandom-effects models, time-to-event data reconstructed, meta-regression
  • Random-effects models
  • Time-to-event data reconstructed
  • Meta-regression

Pooled result

As reported in the abstract

Odds ratio

2.15

95% CI 1.62–2.84

By group

Womenvs Men
OR 2.15 (95% CI 1.62–2.84)

Further pooled results

OutcomeEstimate
In-hospital mortalityOR 1.38 (95% CI 1.27–1.50)
All-cause mortalityWomenvs MenUnadjustedHR 1.35 (95% CI 1.25–1.47)
All-cause mortalityWomenvs MenAdjusted; not significantly differentHR 0.96 (95% CI 0.91–1.01)
Recurrent MRWomenvs MenUnadjustedHR 1.57 (95% CI 1.14–2.15)
Recurrent MRWomenvs MenAdjusted; remained higher in womenHR 1.68 (95% CI 1.13–2.51)
ReoperationWomenvs MenUnadjusted; similarHR 1.35 (95% CI 0.96–1.89)
ReoperationWomenvs MenAdjusted; not significantly differentHR 1.33 (95% CI 0.81–2.18)
OutcomeMean difference (years) (95% CI)
AgeWomen significantly older than men2.8 (1.5–4.0)

Proportion of women in cohort

Women accounted for (95% CI: 36%-42%)
39%

Meta-regression: mitral valve replacement proportion and mortality in women

Higher mitral valve replacement proportion was associated with increased mortality in women

Original publication

Impact of Female Sex on Survival and Outcomes After Mitral Valve Surgery: A Meta-Analysis. JACC Adv. Published 20 May 2026. doi:10.1016/j.jacadv.2026.102721

Composed by AI from the published abstract and checked against it. How Briefs are made →

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