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Ann Indian Acad Neurol. 2015 Oct-Dec;18(4):424-9. doi: 10.4103/0972-2327.165469.

Clinicoanatomical correlation in stroke related aphasia.

Author information

1
Department of Neurology, Govind Ballabh Pant Hospital and Maulana Azad Medical College, New Delhi, India.
2
Department of Audiology and Speech Therapy, Govind Ballabh Pant Hospital and Maulana Azad Medical College, New Delhi, India.

Abstract

CONTEXT:

With advances in neuroimaging, traditional views regarding the clinicoanatomic correlation in stroke patients with aphasia are being challenged and it has been observed that lesions at a given cortical or subcortical site may manifest with different aphasia profiles.

AIMS:

To study as to whether there is a strict clinicoanatomical correlation between the type of aphasia and lesion site in patients with first ever stroke.

SETTINGS AND DESIGN:

Observational study, based in a tertiary care center.

MATERIALS AND METHODS:

Stroke patient's ≥18 years of age were screened and those with first ever stroke and aphasia were subjected to a detailed stroke workup and language assessment using the Hindi version of Western Aphasia Battery (WAB). Statistical analysis was done with χ(2) test with Yates correction and Kruskal-Wallis test. The level of significance was set at P < 0.05.

RESULTS:

Overall aphasia was detected in 27.9% of the 260 screened cases with stroke. Amongst 60 cases with first ever stroke and aphasia, the aphasia type was: Global (33.33%), Broca's (28.3%), transcortical motor (13.33%), transcortical sensory (10%), Wernicke's (8.33%), anomic (5%), and conduction (1.67%) aphasia. A definite correlation between the lesion site and the type of aphasia as per the traditional classification was observed in 35% cases only.

CONCLUSIONS:

No absolute correlation exists between the lesion site and the type of clinical aphasia syndrome in majority of the patients with cortical and subcortical stroke.

KEYWORDS:

Aphasia; clinico-anatomic correlation; clinico-topographic correlation; stroke

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