ArticleNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2022
Topography and etiologies of cerebellar infarcts presenting as isolated acute vestibular syndrome.
Article in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2022. 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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Abstract
background and purposeTo investigate the topography and etiologies of acute cerebellar infarcts (ACIs) that presented as isolated acute vestibular syndromes (AVSs).
methodsACI was ascertained on magnetic resonance diffusion-weighted imaging combined with apparent diffusion coefficient sequence and was categorized into the simple (territory and small infarct) and the complicated (concomitant infarcts in territories of posterior circulation besides cerebellum). Infarct topography and etiologies were compared between ACI patients with isolated AVS and non-isolated AVS (general and/or local neurological symptoms and/or signs with or without AVS).
resultsWe enrolled 129 ACI patients, and 53 patients (53/129, 41.1%) had isolated AVS. In isolated AVS, the infarct lesions could be territory infarcts, small infarcts involving cortical, subcortical, and areas directly related to vestibular structures, and the primary etiologies were of large artery atherosclerosis and small vessel disease. Compared with the patients with non-isolated AVS, those with isolated AVS had more prevalence of small vessel disease (OR 6.30, 2.16-18.39; p = 0.001) and more probability of small infarcts (OR 6.04, 95%CI 2.31-15.76; p < 0.0001). In isolated AVS patients, the small infarct located more frequently in cerebellar hemispheres than the areas directly related to vestibular structures (27/35 vs 8/35), and the territory infarct located more frequently in the area supplied by posterior inferior cerebellar artery than the other areas (9/13 vs 4/13).
conclusionOur study found that ACI could be presented as isolated AVS, which occurred more frequently in patients with small hemisphere infarct or infarct in the territory supplied by posterior inferior cerebellar artery.
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