Volume 11, Issue 3 (Scientific Journal of Hamadan University of Medical Sciences-Autumn 2004)                   Avicenna J Clin Med 2004, 11(3): 12-15 | Back to browse issues page

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Ghandehari K. Relationship of Aphasia and Topography of Cerebrovascular Territories. Avicenna J Clin Med 2004; 11 (3) :12-15
URL: http://sjh.umsha.ac.ir/article-1-598-en.html
Abstract:   (3433 Views)

Aphasia is a common manifestation of stroke and evaluation of relationships of aphasia and brain topography could lead to better understanding of cognitive neurophysiology.

Consecutive 100 stroke patients with aphasia admitted in Valie Asr hospital, Khorasan in 2003 enrulled in this prospective study. Diagnosis of stroke and aphasia was made by a neurolosist and topography of involved cerebrovascular territories confirmed by topographic maps of brain in CT scan.

Global, Broca and Wernicke subtypes of aphasia constituted 52%, 40% and 6% of the cases respectively. Based on the usual nourishment of Broca and Wernicke areas by anterior and posterior cortical branches of the middle cerebral artery, 79% of Global, 47% of Broca and 50% of Wernicke aphasias had a compatible infarct topography. Other cases had no congruent infarct topography with involved linguistic area of their brain.

            Specific cerebrovascular topography for subtypes of aphasia in stroke patients was not found. The effects of cerebrovascular lesions on linguistic functions are not predictable by their topography in CT scan.

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Type of Study: Original | Subject: Other Clinical Specialties

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