ArticleAnnals of Indian Academy of Neurology2020
A Longitudinal Study of Aphasia Due to Pure Sub-Cortical Strokes.
Article in Annals of Indian Academy of Neurology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 10 citations in OpenAlex.
- Thalamic Aphasia: a Review.Current neurology and neuroscience reports · 2022Review
- Bilateral thalamic lesion presenting as Broca's type subcortical aphasia in cerebral venous thrombosis: index case report.BMJ case reports · 2021Article
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Authors and funding
4 authors at 1 institution in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
introductionContemporary neuro-imaging techniques have significantly advanced our understanding of the brain organization of language and the involvement of subcortical areas in aphasia. However, articles on sub-cortical aphasia, particularly in non-western languages, remain to be few and far between. We set out to explore aphasia typology in sub-cortical strokes among Bengali-speaking population with a focus towards providing a longitudinal view over a period of 3 months post-stroke.
methodsBengali version of Western Aphasia Battery (BWAB) was used to assess and classify language dysfunction in our study participants. Conventional brain imaging techniques (CT scan & MRI) were used to detect and localize strokes. Uni-variate analysis for categorical variable (location versus aphasia typology) was performed using Chi square and Fischer's exact test (as applicable). Directional measures were calculated using lambda and Goodman-Kruskal tau (Range of - 1 to + 1). Boot strapping was applied while calculating the directional measures because of inadequate numbers in some sub-sections the sample.
resultsFrequency of sub-cortical aphasia was observed to be 29.80% (62/208) in the index study. Four location of strokes were associated with language dysfunction, of which putamen (53.23%) was the commonest followed by striato-capsular region (33.87%). Thalamus and peri-ventricular white matter (PVWM) strokes (6.45% each) were infrequent in our sample of sub-cortical aphasia. Global aphasia (30/62, 48.38%) was the most frequent type observed in acute phase while Broca's aphasia (23/53, 43.39%) dominated among the follow up cases. Aphasia recovery (with follow up AQ of 90.0 or more) was observed in 12 (22.64%) patients of whom majority (8/12) had striato-capsular strokes.
conclusionThe present paper illustrates the epidemiological aspects as well as longitudinal course aphasia following pure sub-cortical strokes.
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