Stroke recurrence rates

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Stroke Recurrence Rates: Global and Long-Term Trends

Stroke recurrence rates remain a significant concern worldwide, with studies showing that the risk of a second stroke is substantial and varies by population, stroke subtype, and time since the initial event. Recent research highlights that, despite advances in secondary prevention, recurrence rates have not declined significantly in the past decade in many regions Kolmos2021Flach2020Rücker2020.

Short-Term and Long-Term Recurrence Rates

Large-scale meta-analyses and population-based studies report that the risk of stroke recurrence increases over time. The pooled recurrence rates are approximately 7.7% at 3 months, 10.4% at 1 year, 16.1% at 2 years, and up to 39.7% at 12 years after the initial stroke . In specific populations, such as rural China, the 1-year recurrence rate is about 5.7%, and the 5-year rate is 22.5% . In Japan, a 2-year cumulative recurrence rate after a first-ever stroke was 6.8% for ischemic stroke and 3.8% for hemorrhagic stroke . In the North Dublin study, the 2-year recurrence rate was 10.8% .

Recurrence by Stroke Subtype

The risk of recurrence is influenced by the type of stroke. Large artery atherosclerosis (LAA) and cardioembolic (CE) strokes have the highest recurrence rates, often with the same subtype recurring, while small vessel occlusion (SVO) strokes have lower recurrence rates and more diverse recurrence patterns Kolmos2021Flach2020Rücker2020. For example, 5-year recurrence rates in Germany were about 20.1%, with the lowest rates in small-artery occlusion and the highest in undefined stroke subtypes .

Risk Factors for Stroke Recurrence

Common risk factors for recurrent stroke include hypertension, diabetes, atrial fibrillation, prior transient ischemic attack, high stroke severity, older age, male sex, lower education, and alcohol consumption Kolmos2021Jerrgensen1997Han2020+1 MORE. Atrial fibrillation, in particular, is associated with a significantly increased risk of recurrence Flach2020Jerrgensen1997. Hyperlipidemia and a history of prior stroke are also independent predictors of recurrence Callaly2016Mao2022.

Trends Over Time and Impact of Prevention

While some regions, such as the UK, saw a decrease in 12-month recurrence rates from 8.1% in 1995 to 4.1% in 2005, more recent data suggest that recurrence rates have plateaued despite increased use of secondary prevention medications Flach2020Mao2022. Improvements in survival after stroke have been observed, but the risk of recurrence remains largely unchanged in the last decade Flach2020Rücker2020. This suggests that while secondary prevention has improved outcomes, further strategies are needed to reduce recurrence rates, especially in high-risk subgroups Kolmos2021Mao2022.

Stroke Recurrence in Children

In children with arterial ischemic stroke, recurrence rates vary widely, with a median of 10.6% in childhood cohorts. Children with arteriopathies are at particularly high risk, with median recurrence rates of 21.8% .

Conclusion

Stroke recurrence rates remain a significant challenge globally, with risks increasing over time and varying by stroke subtype and patient characteristics. While secondary prevention has improved survival, recurrence rates have not declined substantially in recent years, highlighting the need for better risk factor management and targeted prevention strategies, especially for high-risk groups Callaly2016Kolmos2021Lin2020+7 MORE.

Sources and full results

Most relevant research papers on this topic

Rates, Predictors, and Outcomes of Early and Late Recurrence After Stroke: The North Dublin Population Stroke Study

Recurrent stroke rates were lower in this study than in earlier studies, with hyperlipidemia and prior stroke being independent predictors of 2-year recurrence in 28-day survivors.

Observational StudyVery Rigorous Journal

2016·

52citations

·E. Callaly et al.

Stroke·

DOI

Recurrent Ischemic Stroke - A Systematic Review and Meta-Analysis.

Stroke recurrence rates remain unchanged over time, with the highest recurrence rate in large artery atherosclerosis and cardioembolic strokes, and a lower recurrence rate in small vessel occlusion strokes.

Meta-AnalysisHighly Cited

2021·

223citations

·Mia Kolmos et al.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·

DOI

Cumulative risk of stroke recurrence over the last 10 years: a systematic review and meta-analysis

The risk of stroke recurrence increases significantly over time, with follow-up time, regions, age, methodology differences, and stroke types contributing to heterogeneity.

Meta-AnalysisHighly Cited

2020·

101citations

·Bei-lei Lin et al.

Neurological Sciences·

DOI

Risk and Secondary Prevention of Stroke Recurrence

The rate of stroke recurrence reduced until mid-2000s but has not changed since, with most recurrences being of the same type, indicating that effective preventive strategies are still suboptimal in these subtypes.

Observational StudyHighly Cited

2020·

264citations

·C. Flach et al.

Stroke·

DOI

Stroke recurrence

Recurrent stroke patients have higher mortality rates but generally recover as well and as fast as first-ever stroke patients, with functional recovery being poorer if recurrence is contralateral to the first stroke.

Observational StudyHighly Cited

1997·

211citations

·H. S. Jerrgensen et al.

Neurology·

DOI

Rate and Determinants of Recurrence at 1 Year and 5 Years After Stroke in a Low-Income Population in Rural China

Recurrent stroke rates in rural China increase with age and education, and risk factors include alcohol consumption, male sex, age 65, lower education, known diabetes, and alcohol consumption.

Observational Study

2020·

52citations

·Jing Han et al.

Frontiers in Neurology·

DOI

Stroke Recurrence as a Challenge for Countries.

In China, stroke recurrence rates decreased from 15.5% to 12.5% over 10 years, but despite improved secondary prevention measures, 12.5% of stroke survivors experienced recurrence within 12 months.

Rigorous Journal

2022·

9citations

·C. Mao et al.

JAMA network open·

DOI

Recurrence Rate in Children With Arterial Ischemic Stroke: A Systematic Review

Children with arterial ischemic stroke have higher recurrence rates than others, with arteriopathies being a high-risk aetiology.

Systematic Review

2025·

0citations

·Jacob Bastrup et al.

Acta Paediatrica (Oslo, Norway : 1992)·

DOI

Twenty-Year Time Trends in Long-Term Case-Fatality and Recurrence Rates After Ischemic Stroke Stratified by Etiology

Long-term survival and recurrence rates after ischemic stroke vary by first stroke cause, with survival probabilities improving over the past 2 decades, but no major trends observed.

Observational Study

2020·

69citations

·V. Rücker et al.

Stroke·

DOI

Two-Year Recurrence After First-Ever Stroke in a General Population of 1.4 Million Japanese Patients　- The Shiga Stroke and Heart Attack Registry Study.

The two-year cumulative recurrence rate after first-ever stroke remains high, particularly among patients with ischemic stroke, highlighting the need for further intensive secondary prevention strategies.

Observational Study

2020·

12citations

·N. Takashima et al.

Circulation journal : official journal of the Japanese Circulation Society·

DOI

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Stroke recurrence rates

Pro Research Analysisby

Stroke Recurrence Rates: Global and Long-Term Trends

Short-Term and Long-Term Recurrence Rates

Recurrence by Stroke Subtype

Risk Factors for Stroke Recurrence

Trends Over Time and Impact of Prevention

Stroke Recurrence in Children

Conclusion

Sources and full results

Rates, Predictors, and Outcomes of Early and Late Recurrence After Stroke: The North Dublin Population Stroke Study

Recurrent stroke rates were lower in this study than in earlier studies, with hyperlipidemia and prior stroke being independent predictors of 2-year recurrence in 28-day survivors.

Recurrent Ischemic Stroke - A Systematic Review and Meta-Analysis.

Stroke recurrence rates remain unchanged over time, with the highest recurrence rate in large artery atherosclerosis and cardioembolic strokes, and a lower recurrence rate in small vessel occlusion strokes.

Cumulative risk of stroke recurrence over the last 10 years: a systematic review and meta-analysis

The risk of stroke recurrence increases significantly over time, with follow-up time, regions, age, methodology differences, and stroke types contributing to heterogeneity.

Risk and Secondary Prevention of Stroke Recurrence

The rate of stroke recurrence reduced until mid-2000s but has not changed since, with most recurrences being of the same type, indicating that effective preventive strategies are still suboptimal in these subtypes.

Stroke recurrence

Recurrent stroke patients have higher mortality rates but generally recover as well and as fast as first-ever stroke patients, with functional recovery being poorer if recurrence is contralateral to the first stroke.

Rate and Determinants of Recurrence at 1 Year and 5 Years After Stroke in a Low-Income Population in Rural China

Recurrent stroke rates in rural China increase with age and education, and risk factors include alcohol consumption, male sex, age 65, lower education, known diabetes, and alcohol consumption.

Stroke Recurrence as a Challenge for Countries.

In China, stroke recurrence rates decreased from 15.5% to 12.5% over 10 years, but despite improved secondary prevention measures, 12.5% of stroke survivors experienced recurrence within 12 months.

Recurrence Rate in Children With Arterial Ischemic Stroke: A Systematic Review

Children with arterial ischemic stroke have higher recurrence rates than others, with arteriopathies being a high-risk aetiology.

Twenty-Year Time Trends in Long-Term Case-Fatality and Recurrence Rates After Ischemic Stroke Stratified by Etiology

Long-term survival and recurrence rates after ischemic stroke vary by first stroke cause, with survival probabilities improving over the past 2 decades, but no major trends observed.

Two-Year Recurrence After First-Ever Stroke in a General Population of 1.4 Million Japanese Patients - The Shiga Stroke and Heart Attack Registry Study.

The two-year cumulative recurrence rate after first-ever stroke remains high, particularly among patients with ischemic stroke, highlighting the need for further intensive secondary prevention strategies.

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Two-Year Recurrence After First-Ever Stroke in a General Population of 1.4 Million Japanese Patients　- The Shiga Stroke and Heart Attack Registry Study.