Burden of Valvular Heart Diseases in a Racially and Ethnically Diverse Population: The Bronx‐Valve Registry

Background Valvular heart disease (VHD) is a major focus of cardiovascular medicine, but limited data are available for racial and ethnic minorities. The aim was to assess the burden and clinical correlates of VHD in a highly diverse area of the United States. Methods and Results Individuals with echocardiographic diagnosis of native VHD between January 2010 and December 2019 at a quaternary care health system of the Bronx (New York, USA) were included. Prevalence and correlates of VHD were assessed per each racial and ethnic group. From a total of 330 570 adult echocardiograms, 80 584 individuals were diagnosed with VHD and included in the final study population. Stratified by race and ethnicity, 38.0%, 23.2%, 2.1%, and 36.7% were non‐Hispanic Black, non‐Hispanic White, Asian, and Hispanic, respectively. The mean age was 67.7±16.3 years, with non‐Hispanic Black, non‐Hispanic Asian, and Hispanic individuals being younger and having a higher burden of comorbidities. The prevalence of VHD increased with age, irrespective of race or ethnicity. In people aged ≥75 years, tricuspid and mitral regurgitation were the most prevalent VHD (21.1% and 16.1%, respectively). Non‐Hispanic White individuals more frequently had tricuspid regurgitation, mitral regurgitation, and multiple VHDs, but among those aged <65 years, these were more frequent in non‐Hispanic Black individuals. Conclusions Our Bronx‐Valve Registry illustrates that the burden of VHD is high, increases with age, and varies among racial and ethnic groups. When diagnosed with VHD, non‐Hispanic Black, non‐Hispanic Asian, and Hispanic individuals are younger and with a higher burden of comorbidities. Appropriate resources and strategies need to be implemented to minimize racial and ethnic disparities and promote equity in VHD diagnosis and cardiovascular risk factor management. Registration URL: https://clinicaltrials.gov . Unique Identifier: NCT05453526.