ArticleFrontiers in neurology
Neuropsychological deficits in patients with favorable outcomes after middle cerebral artery infarction treated with thrombectomy.
Article in Frontiers in neurology. 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
Introduction: Functional outcomes following stroke thrombectomy are commonly measured by the modified Rankin Scale (mRS). Due to hemisphere-specific representation of neuropsychological function, the mRS might underestimate persisting functional deficits, particularly in large right-hemispheric strokes. This study aimed to assess infarct volumes and neuropsychological symptoms in patients with left- and right-sided middle cerebral artery (MCA) infarctions treated with thrombectomy, having a favorable outcome at 3 months. We hypothesized that patients with right-sided strokes are affected by larger infarct volumes and suffer from neuropsychological and cognitive impairment despite being classified as functionally recovered on the mRS. Methods: The study cohort consisted of 105 patients with MCA infarctions treated with thrombectomy and a favorable outcome at 3 months after stroke according to mRS 0-1. The infarct volumes after thrombectomy were measured using imaging data. Consenting patients received follow-up examinations through telephone interviews and written questionnaires (Stroke Impact Scale-16, Short Form-36). Patients with the largest infarct volumes were additionally assessed with a neuropsychological test battery (Test of Attentional Performance - Mobility-Version, TAP-M) and the Montreal Cognitive Assessment. Results: The mean infarct volume was larger in patients with right-sided (23.3 mL) strokes compared to left-sided (8.5 mL) strokes ( Discussion and conclusion: These findings indicate that patients with right MCA infarctions, being categorized as having a "favorable functional outcome" on the mRS, suffer from relevant neuropsychological deficits, subclinical neglect, and reduced quality of life.
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