{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T13:20:32Z","timestamp":1793020832567,"version":"4.5.0"},"reference-count":37,"publisher":"American Medical Association (AMA)","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA Netw Open"],"abstract":"Importance<\/jats:title>Despite efforts to improve the quality of care for patients with atherosclerotic cardiovascular disease (ASCVD), it is unclear whether the US has made progress in reducing racial and ethnic differences in utilization of guideline-recommended therapies for secondary prevention.<\/jats:p><\/jats:sec>Objective<\/jats:title>To evaluate 21-year trends in racial and ethnic differences in utilization of guideline-recommended pharmacological medications and lifestyle modifications among US adults with ASCVD.<\/jats:p><\/jats:sec>Design, Setting, and Participants<\/jats:title>This cross-sectional study includes data from the National Health and Nutrition Examination Survey between 1999 and 2020. Eligible participants were adults aged 18 years or older with a history of ASCVD. Data were analyzed between March 2022 and May 2023.<\/jats:p><\/jats:sec>Exposure<\/jats:title>Self-reported race and ethnicity.<\/jats:p><\/jats:sec>Main Outcome and Measures<\/jats:title>Rates and racial and ethnic differences in the use of guideline-recommended pharmacological medications and lifestyle modifications.<\/jats:p><\/jats:sec>Results<\/jats:title>The study included 5218 adults with a history of ASCVD (mean [SD] age, 65.5 [13.2] years, 2148 women [weighted average, 44.2%]), among whom 1170 (11.6%) were Black, 930 (7.7%) were Hispanic or Latino, and 3118 (80.7%) were White in the weighted sample. Between 1999 and 2020, there was a significant increase in total cholesterol control and statin use in all racial and ethnic subgroups, and in angiotensin-converting enzyme inhibitor (ACEI) and angiotensin receptor blocker (ARB) utilization in non-Hispanic White individuals and Hispanic and Latino individuals (Hispanic and Latino individuals: 17.12 percentage points; 95% CI, 0.37-37.88 percentage points; P<\/jats:italic>\u2009=\u2009.046; non-Hispanic White individuals: 12.14 percentage points; 95% CI, 6.08-18.20 percentage points; P<\/jats:italic>\u2009&amp;lt;\u2009.001), as well as smoking cessation within the Hispanic and Latino population (\u221227.13 percentage points; 95% CI, \u221243.14 to \u221211.12 percentage points; P<\/jats:italic>\u2009=\u2009.002). During the same period, the difference in smoking cessation between Hispanic and Latino individuals and White individuals was reduced (\u221224.85 percentage points; 95% CI, \u221238.19 to \u221211.51 percentage points; P<\/jats:italic>\u2009&amp;lt;\u2009.001), but racial and ethnic differences for other metrics did not change significantly. Notably, substantial gaps persisted between current care and optimal care throughout the 2 decades of data analyzed. In the period of 2017 to 2020, optimal regimens were observed in 47.4% (95% CI, 39.3%-55.4%), 48.7% (95% CI, 36.7%-60.6%), and 53.0% (95% CI, 45.6%-60.4%) of Black, Hispanic and Latino, and White individuals, respectively.<\/jats:p><\/jats:sec>Conclusions and Relevance<\/jats:title>In this cross-sectional study of US adults with ASCVD, significant disparities persisted between current care and optimal care, surpassing any differences observed among demographic groups. These findings highlight the critical need for sustained efforts to bridge these gaps and achieve better outcomes for all patients, regardless of their racial and ethnic backgrounds.<\/jats:p><\/jats:sec>","DOI":"10.1001\/jamanetworkopen.2023.45964","type":"journal-article","created":{"date-parts":[[2023,12,1]],"date-time":"2023-12-01T16:31:16Z","timestamp":1701448276000},"page":"e2345964","source":"Crossref","is-referenced-by-count":35,"title":["National Trends in Racial and Ethnic Disparities in Use of Recommended Therapies in Adults with Atherosclerotic Cardiovascular Disease, 1999-2020"],"prefix":"10.1001","volume":"6","author":[{"given":"Yuan","family":"Lu","sequence":"first","affiliation":[{"name":"Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, Connecticut"},{"name":"Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, 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Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Richa","family":"Sharma","sequence":"additional","affiliation":[{"name":"Department of Neurology, Yale School of Public Health, New Haven, Connecticut"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fatima","family":"Rodriguez","sequence":"additional","affiliation":[{"name":"Division of Cardiovascular Medicine, School of Medicine, Stanford University, Stanford, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karol E.","family":"Watson","sequence":"additional","affiliation":[{"name":"David Geffen School of Medicine, University of California, Los Angeles"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederick A.","family":"Masoudi","sequence":"additional","affiliation":[{"name":"Research and Analytics, Ascension, St Louis, Missouri"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harlan 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