Key result
Black ethnicity shows no link to mortality or intervention rates versus White in moderate-severe MR.
Why the study?
Racial disparities in valvular heart disease are well-documented, but evidence specific to mitral regurgitation remains fragmented.
Are there racial differences in mortality and treatment access among patients with moderate-severe mitral regurgitation?
Population
6665 adult patients with moderate or greater MR
Comparison
Stratified by ethnicity (White, Black, Asian)
Design
Retrospective cohort study
Authors
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Racial disparities in MR outcomes and access warrant ongoing monitoring in universal systems; leaves open whether targeted strategies can close gaps.
Are there racial differences in mortality and treatment access among patients with moderate-severe mitral regurgitation?
In a universal healthcare system, racial disparities in mitral regurgitation outcomes and intervention rates are primarily driven by clinical factors and socioeconomic deprivation rather than ethnicity itself.
Chehab et al. (2026) studied this question. Black ethnicity, compared to White, was not independently associated with mortality (HR 0.90; p=0.06) or intervention rates (OR 0.81; p=0.18) in patients with moderate-severe mitral regurgitation.
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