AI Article Synopsis
- Intracranial arterial dolichoectasia (IADE) is a common vascular condition that often occurs in large intracranial blood vessels and is linked to risk factors like high blood pressure, especially in ischemic stroke patients.
- A systematic review and meta-analysis of studies examined the relationship between IADE and small vessel disease (CSVD) markers, analyzing data from six studies with over 6,100 ischemic stroke patients.
- Results indicated that patients with IADE had significantly higher rates of CSVD markers—such as lacunes, cerebral microbleeds, and white matter hyperintensities—suggesting a need for further research to understand these connections and their implications for treatment.
Article Abstract
Background: Intracranial arterial dolichoectasia (IADE) is a common arterial finding of dilation, elongation, or both, affecting large intracranial vessels, and associated with vascular risk factors, including hypertension. Associations of IADE with neuroimaging cerebral small vessel disease (CSVD) may be relevant for diagnosis and prognosis in patients with stroke. The study aimed to conduct an updated systematic review and meta-analysis of observational studies to investigate the relationships of IADE with well-defined CSVD markers in patients with ischaemic stroke.
Methods: We systematically searched PubMed, Embase, and Scopus for studies on IADE in ischaemic stroke patients with fulfilling predefined inclusion criteria. We pooled data to conduct a meta-analysis to compare the prevalence of SVD markers between patients with and without IADE groups using risk ratios (RRs) and 95% confidence intervals (CIs).
Results: From 157 retrieved abstracts, we included six studies from seven publications comprising 6102 patients with ischaemic stroke. The mean age of patients was 52.8 years, and 3691 (60.5%) were male. IADE was diagnosed in 11.4% (95% CI 8.9-13.9) (761) of included patients; 51.8% (3160) had hypertension. Compared to patients without IADE, individuals diagnosed with IADE had a significantly increased prevalence of lacune (RR 1.67, 95% CI 1.36-2.06, P < 0.01, I = 0.00%), cerebral microbleeds (CMBs) (RR 2.56, 95% CI 1.53-4.28, P < 0.01, I = 84.95%) and white matter hyperintensities (WMHs) (RR 2.17, 95% CI 1.84-2.56, P < 0.01, I = 0.00%).
Conclusions: In patients with ischaemic stroke, IADE is associated with a higher prevalence of CSVD markers, including lacunes, CMBs, and WMHs. Further studies are needed to clarify the mechanisms underlying these associations and their potential relevance for the understanding, diagnosis, and treatment of CSVD.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10827828 | PMC |
| http://dx.doi.org/10.1007/s00415-023-12094-2 | DOI Listing |
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