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Inflammatory biomarkers in cerebral venous thrombosis versus ischemic stroke: a network meta-analysis
Xinlong Shen1,2, Ling Chen3, Liling Shen4
1Department of Neurosurgery, Dongfang Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, China.
Insights
Cerebral venous thrombosis (CVT) and ischemic stroke (IS) share inflammatory markers, but CVT shows a stronger response. C-reactive protein (CRP) and Interleukin-6 (IL-6) are significantly higher in CVT, aiding differential diagnosis.
Area of Science:
- Neurology
- Immunology
- Medical Diagnostics
Background:
- Cerebrovascular diseases (CVD) management differs for ischemic stroke (IS) and cerebral venous thrombosis (CVT).
- Inflammation-driven mechanisms in IS and CVT are not fully translated into individualized interventions.
- Understanding shared and distinct inflammatory pathways is crucial for effective CVD management.
Purpose of the Study:
- To compare inflammation-driven mechanisms in IS and CVT.
- To identify potential inflammatory markers for differentiating IS from CVT.
- To inform individualized treatment strategies for cerebrovascular diseases.
Main Methods:
- Bayesian network meta-analysis of 18 eligible studies.
- Searched PubMed, Embase, Web of Science, and Cochrane Library up to February 1, 2025.
- Assessed evidence quality using the GRADE method; registered in PROSPERO (CRD42024539498).
Main Results:
- Acute-phase inflammatory markers are elevated in both CVT and IS.
- CVT exhibits a stronger systemic inflammatory response compared to IS.
- C-reactive protein (CRP) and Interleukin-6 (IL-6) were significantly higher in acute CVT than IS.
Conclusions:
- Inflammatory markers show both shared and distinct patterns in CVT and IS.
- Elevated CRP and IL-6 in CVT suggest potential adjunctive diagnostic value.
- Findings require prospective validation; neuroimaging remains the gold standard for diagnosis.
Background:
In cerebrovascular diseases (CVD), the management strategies for ischemic stroke (IS) and cerebral venous thrombosis (CVT) have significant differences, but the underlying inflammation-driven mechanisms in these two conditions have not been fully translated into individualized intervention criteria.
Methods:
We searched PubMed, Embase, Web of Science and Cochrane Library through February 1, 2025, and included 18 eligible studies in a Bayesian network meta-analysis following PRISMA-NMA. The data were processed using Revman (version 5.4.1) and R (version 4.3.3). The Grading of Recommendations, Assessment, Development and Evaluation (GRADE) method was used to assess the quality of evidence. This study was registered in PROSPERO (CRD42024539498).
Results:
In total, 18 studies were included in the review. The results showed that acute-phase inflammatory markers were significantly elevated in both CVT and IS. CVT was associated with a relatively stronger systemic inflammatory response, while lymphocyte counts were reduced in both, suggesting a immunosuppressive phenomenon in cerebral thrombotic disease. This network Meta-Analysis showed that CRP (MD = 7.58, 95% CI: 2.48-14.09) and IL-6 (MD = 6.98, 95% CI: 2.75-11.44) were more significantly elevated in the acute phase in CVT patients than in IS patients, suggesting they could serve as key inflammatory markers for differentiating the two conditions.
Conclusion:
Inflammatory markers exhibit both specific differences and shared characteristics in CVT and IS. CRP and IL-6 were higher in CVT than in IS in Bayesian NMA, suggesting potential adjunctive markers for differential diagnosis; however, these findings are hypothesis-generating and require prospective validation, and neuroimaging remains the diagnostic gold standard.
Systematic Review Registration:
https://www.crd.york.ac.uk/PROSPERO/view/CRD42024539498, CRD42024539498.
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