Relationship between the site of cerebral infarction induce-aphasia and aphasia types
- VernacularTitle:脑梗死后失语症类型与病变部位的关系
- Author:
Yindong YANG
- Publication Type:Journal Article
- From:
Chinese Journal of Tissue Engineering Research
2005;9(33):154-156
- CountryChina
- Language:Chinese
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Abstract:
BACKGROUND: The location of cerebral infarction determines the onset and type of aphasia, but this relationship may fail to explain some clinical findings in these patients. The exact relationship between the type of aphasia and the locations remains to be fully unclear.OBJECTIVE: To investigate the relationship between the location of cerebral infarction and the type of aphasia.DESIGN: Case-controlled study.SETTING: Department of Neurology, Hongqi Hospital Affiliated to Mudanjiang Medical University.PARTICIPANTS: Totally 98 patients admitted in the Department of Neurology, Hongqi Hospital Affiliated to Mudanjiang Medical University for aphasia secondly stroke between August 2003 and June 2004 were enrolled in this study, including 63 male and 35 female patients with the mean age of (68±4.56) years and disease course varying from 2-4 weeks.METHODS: Handedness evaluation was performed using the subtest of handedness in the Chinese aphasia test battery designed by the Department of Neurology, First Hospital of Beijing Medical University. Aphasia was classified on the basis of Western Aphasia Battery and evaluated for severity according to the grading criteria of Boston Diagnostic Aphasia Examination. The patients received also CT and MRI examinations.MAIN OUTCOME MEASURES: Aphasia type and lesion site in pa-tients with cerebral infarction.RESULTS: Analysis was made according to the real data, all 98 cases entered into the result analysis. All the 98 aphasic patients were right-handed,with 21 patients having Broca's aphasia, 15 Wernicke's aphasia, 2 conduction aphasia, 8 transcortical motor aphasia, 7 transcortical sensory aphasia,12 transcortical mixed aphasia, 23 complete aphasia and 10 anomic aphasia. The lesion involved the classic language function area in 56 cases, and did not affect the language functional area in 38 cases. According to the grading criteria of Boston Diagnostic Aphasia Examination, 28 patients were in grade 0, 30 in grade 1, 14 in grade 2, 16 in grade 3 and 10 in grade 4.Most of the patients in grades 0 and 1 had lesions involving the language functional area.CONCLUSION: Aphasia type does not totally conform to the classic speech center lesions, and involvement of the non-speech centers may also cause aphasia, but speech center lesions lead to more serious aphasia.
