ArticleAnnals of medicine2026
Spontaneous intracranial artery dissection: risk factors, clinical features and imaging features.
Article in Annals of medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
purposeThere remains a lack of epidemiological data and evidence regarding risk factors for intracranial arterial dissection (IAD) worldwide, making it difficult to make a more timely and accurate clinical diagnosis. We aimed to identify risk factors, clinical and imaging features of spontaneous IAD (sIAD) using a case-control design.
methodsWe collected data on sIAD patients admitted to Tongji Hospital in Wuhan, China from June 2017 to June 2024. Non-IAD ischemic stroke (IS) and non-IAD intracerebral hemorrhage (ICH) patients served as control groups. Logistic regression models analyzed the three data sets, with results expressed as odds ratio (OR) and 95% confidence interval (CI).
resultsAfter screening, 71 patients with sIAD, 84 patients with non-IAD IS and 102 patients with non-IAD ICH were included in this study. The findings showed that the participants with diabetes had a lower likelihood of sIAD than non-IAD IS (OR = 0.145, 95%CI = 0.030-0.702). Compared with non-IAD ICH patients, individuals with sIAD had lower systolic blood pressure on admission (OR = 0.941, 95%CI = 0.900-0.983) and less likely to be young (OR = 0.911, 95%CI = 0.855-0.970). Serological data showed that compared with non-IAD ICH patients, elevated triglyceride (OR = 0.326, 95%CI = 0.179-0.594) were associated with the reduced likelihood of sIAD, whereas the opposite was true for uric acid levels (OR = 1.007, 95%CI = 1.000-1.014). In imaging, sIAD patients showed the largest number of arterial lumen dilatation, followed by stenosis with dilatation.
conclusionsDiabetes may be associated with a reduced likelihood of sIAD. Differences in serologic markers may help in the differential diagnosis of sIAD from other cerebrovascular events.
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