STUDY ON THE RECOVERY PATTERN OF APHASIA IN STROKE PATIENTS
Journal Title: Stanley Medical Journal - Year 2016, Vol 3, Issue 4
Abstract
Aims : To study the time course of spontaneous recovery pattern of aphasia in acute stoke patients and to compare the recovery patterns between different types of aphasia and determine the factors that influence the recovery. Setting and Design : cross sectional descriptive study done on Cerebrovascular accident subjects admitted to the institute of Neurology,RGGH,Chennai during 2003-05. Methods and materials : 30 Right handed individuals fulfilling the standard criteria for handedness who sustained infarction in the left hemisphere as confirmed by a CT scan who have tamil as their mother tongue and who have normal hearing threshold and willing to come for regular follow up were included in the study. Patients with pre-existing language or speech disorder, psychiatric disease, previous cerebrovascular accident, aphasia secondary to head trauma, neoplasm or structural brain disease, equivocal handedness or with evidence of right hemisphere disease were excluded from the study. Detailed history was taken and clinical examination done. CT scan of brain was taken on the day of admission and after 4 weeks. Language function was assessed by tamil version of the modified western aphasia battery at the end of 4th week(T1) and repeated at 8th week (T2) , 16th week (T3) and at 24th week ( T4). In the test battery, four language parameters namely spontaneous speech (fluency and information content), auditory verbal comprehension, repetition and naming were tested to calculate the aphasia quotient (AQ) which had a maximum score of 100. Statistical analysis used : SPSS software. Results : Of the 30 subjects, 11 had global aphasia, 9 had Broca’s aphasia, 5 had wernicke’s aphasia, 3 had conduction aphasia and 2 patients had transcortical motor aphasia. Out of the 11 patients with global aphasia, the recovery in 6 months was limited.3 patients showed good improvement and evolved into broca’s aphasia and this was statistically significant.(p value<0.001) Patients with conduction aphasia and transcortical motor aphasia had excellent recovery Conclusion : There was good correlation between the anatomical location of the lesion and CT scan. Hypertension and diabetes is associated with larger infarcts (Global aphasia) and has poor recovery. Within the groups showing recovery, significant improvement was noted within 8th week of onset of stroke. Maximum recovery was noted in patients with transcortical motor and conduction aphasia
Authors and Affiliations
Mugundhan K
Keywords
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