Key result
MR etiology varies by race, linking prolapse to Whites and restriction to Asians and Blacks.
Why the study?
Data examining racial differences in the prevalence of different aetiologies of mitral valve disease were scarce.
Population
24 579 patients undergoing echocardiography (1383 with ≥ moderate mitral regurgitation)
Comparison
Mitral valve disease aetiologies compared across racial groups (Asian, White, Black, Other)
Design
Retrospective database study
Authors
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May inform race-specific MR evaluation; hypothesis-generating for outcomes and management.
Observational (n=1,383)
This study identifies significant racial differences in the etiology of primary and secondary mitral regurgitation, which may inform targeted screening and pathophysiological understanding.
Hayward et al. (2020) conducted an observational in Mitral valve disease (n=1,383). Race vs. Other racial groups was evaluated on Aetiology of mitral regurgitation. Racial differences exist in mitral regurgitation aetiology: prolapse is more common in Whites (12.5%), ischaemic restriction in Asians (36.2%), and non-ischaemic restriction in Blacks (26.7%).
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