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Published on: August 18, 2015
Racial disparities in early mortality in 1,134 young patients with acute stroke
Georgios Tsivgoulis1, Jukka Putaala, Vijay K Sharma
1Second Department of Neurology, School of Medicine, "Attikon" Hospital, University of Athens, Iras 39, Gerakas Attikis, 15344, Athens, Greece, tsivgoulisgiorg@yahoo.gr.
Insights
Racial disparities significantly impact early stroke outcomes in young adults. Black individuals face higher mortality, while White individuals show better functional recovery, independent of other risk factors.
Area of Science:
- Neurology
- Public Health
- Epidemiology
Background:
- Young adults experiencing stroke represent a growing concern.
- Understanding racial disparities in stroke outcomes is crucial for targeted interventions.
Purpose of the Study:
- To investigate racial disparities in 30-day mortality and functional outcomes among young adults with first-ever acute stroke.
- To determine if these disparities persist after adjusting for known risk factors.
Main Methods:
- An international multicenter study analyzed 1,134 young adults (18-45 years) with first-ever acute stroke from North America, Europe, and Asia.
- Data collected included demographics, vascular risk factors, stroke severity (National Institutes of Health Stroke Scale), and blood pressure.
- Outcomes assessed were 30-day mortality and 30-day favorable functional outcome (modified-Rankin Scale score 0-1).
Main Results:
- Significant differences in 30-day mortality and favorable functional outcome rates were observed across racial groups (p < 0.001).
- After adjusting for confounders, race remained an independent predictor of 30-day mortality (p = 0.026) and favorable functional outcome (p = 0.035).
- Black individuals had a fourfold higher odds of 30-day mortality compared to Asians (OR 4.00), and Whites had a threefold higher odds (OR 3.59). Black individuals had lower odds of favorable functional outcome compared to Whites (OR 0.57).
Conclusions:
- Racial disparities in early stroke outcomes among young adults are evident and independent of other known predictors.
- Targeted strategies are needed to address these disparities and improve outcomes for all racial groups.
- Further research should explore the underlying mechanisms driving these observed racial differences in stroke outcomes.
Abstract:
We sought to investigate potential racial disparities in early outcomes of young individuals with stroke in an international multicenter study. We evaluated consecutive patients with first-ever acute stroke aged 18-45 years from prospective databases involving 12 tertiary-care stroke centers in North America (n = 2), Europe (n = 6), and Asia (n = 4). Demographics, vascular risk factors, stroke subtypes, pre-stroke functional status, stroke severity, blood pressure parameters, and serum glucose at hospital admission were documented. The outcome events of interest were 30-day mortality and 30-day favorable functional outcome (FFO) defined as modified-Rankin Scale score of 0-1. A total of 1,134 young adults (mean age 37.4 ± 7.0 years; 58.8 % men; 48.6 % Whites, 23.9 % Blacks, and 27.5 % Asians; median baseline National Institutes of Health Stroke Scale score 6 points, interquartile range 2-13) were included in the analyses. The 30-day stroke mortality and FFO rates differed (p < 0.001) across races. After adjusting for potential confounders, race was independently associated with 30-day mortality (p = 0.026) and 30-day FFO (p = 0.035). Blacks had a fourfold higher odds of 30-day stroke mortality in comparison to Asians (OR 4.00; 95 % CI 1.38-11.59; p = 0.011). Whites also had an increased likelihood of 30-day stroke mortality in comparison to Asians (OR 3.59; 95 % CI 1.28-10.03; p = 0.015). Blacks had a lower odds of 30-day FFO in comparison to Whites (OR 0.57; 95 % CI 0.35-0.91; p = 0.018). Racial disparities in early outcomes following first-ever stroke in young individuals appear to be independent of other known outcome predictor variables. Whites appear to have higher likelihood of 30-day FFO and Asians have lower odds of 30-day stroke mortality.
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