Long-Term Prognosis of Ischemic Stroke in Young Adults-A Single-Center Chinese Cohort Study
Yuhui Sha1, Qiqi Wang2, Mingyu Tang1
1Department of Neurology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China.
Insights
Young adults with ischemic stroke face a significant risk of recurrence. Low education and prior stroke history are key predictors, highlighting the need for targeted prevention strategies.
Area of Science:
- Neurology
- Cerebrovascular Disease
- Epidemiology
Background:
- Young patients with ischemic stroke often have complex risk factors and prognoses.
- Understanding long-term outcomes is crucial for this demographic.
Purpose of the Study:
- To investigate the long-term prognosis of ischemic stroke in young adults.
- To identify factors associated with recurrent events and poor functional outcomes.
Main Methods:
- Prospective cohort study of 226 young adults (18-49 years) with ischemic stroke.
- Follow-up via visits or phone; outcomes included recurrent events and modified Rankin Scale (mRS) score.
- Kaplan-Meier and multivariate logistic analyses were employed.
Main Results:
- The 5-year cumulative recurrence rate was 13.5%.
- Independent predictors for recurrence included low education, prior TIA, prior ischemic stroke, and follow-up mRS score.
- Baseline mRS score predicted long-term poor functional outcome.
Conclusions:
- Young ischemic stroke patients are at risk for recurrence.
- Low education level is a significant risk factor, especially in Chinese populations.
- Enhanced stroke prevention and treatment are needed for young individuals.
Introduction:
Young patients with ischemic stroke often present with more complex etiologies and risk factors, making their long-term prognosis particularly challenging. This study aims to investigate the long-term prognosis and identify factors associated with recurrent ischemic cerebrovascular events and unfavorable functional outcome in a prospective, single-center cohort.
Methods:
We consecutively enrolled young adults (aged 18-49) with ischemic stroke in the single-center cohort at Peking Union Medical College Hospital (PUMCH) from March 2017 to March 2023. Follow-up was conducted through face-to-face visits or telephone interviews. Main outcomes were recurrent ischemic cerebrovascular events and unfavorable functional outcome (an mRS score ≥ 2). Kaplan-Meier analysis was used to estimate the 5-year cumulative recurrence risk, and multivariate logistic analysis was used to identify predictors of recurrent ischemic cerebrovascular events and unfavorable functional outcome.
Results:
A total of 226 patients (median (IQR) age, 35 (30-41) years; 148 male (65.5%)) were included to the final analysis. According to the TOAST classification, large-artery atherosclerosis was identified as the most common subtype (38.1%). The 5-year cumulative recurrence rate for ischemic cerebrovascular events was 13.5% (95% CI: 6.7%-19.9%), with no significant difference between patients with different etiologies. Low education level (OR 12.016, 95% CI: 2.805-51.469, p < 0.001), previous TIA (OR 9.594, 95% CI: 2.500-36.824, p < 0.001), previous ischemic stroke (OR 3.177, 95% CI: 1.128-8.946, p = 0.029), and mRS score at follow-up (OR 3.339, 95% CI: 1.714-6.502, p < 0.001) were independent risk factors of ischemic cerebrovascular event recurrence after adjusting for sex and age. Baseline mRS scores was identified as an independent predictor of long-term poor functional outcome (OR 2.264, 95%CI: 1.207-4.246, p = 0.011) after adjusting for sex, age, receiving antiplatelet treatment and having recurrent ischemic stroke or TIA.
Conclusions:
Young patients with ischemic stroke were at risk of recurrent ischemic cerebrovascular events, enhancing the need to enhance stroke prevention and treatment, particularly among young Chinese individuals with low education levels.
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