Aphasia after stroke: Type, severity and prognosis: The Copenhagen aphasia study Export

@article{citeulike:6028621, abstract = {Aim: To determine the types, severity and evolution of aphasia in unselected, acute stroke patients and evaluate potential predictors for language outcome 1 year after stroke. Methods: 270 acute stroke patients with aphasia (203 with first-ever strokes) were included consecutively and prospectively from three hospitals in Copenhagen, Denmark, and assessed with the Western Aphasia Battery. The assessment was repeated 1 year after stroke. Results: The frequencies of the different types of aphasia in acute first-ever stroke were: global 32\%, Broca's 12\%, isolation 2\%, transcortical motor 2\%, Wernicke's 16\%, transcortical sensory 7\%, conduction 5\% and anomic 25\%. These figures are not substantially different from what has been found in previous studies of more or less selected populations. The type of aphasia always changed to a less severe form during the first year. Non-fluent aphasia could evolve into fluent aphasia (e.g., global to Wernicke's and Broca's to anomic), whereas a fluent aphasia never evolved into a nonfluent aphasia. One year after stroke, the following frequencies were found: global 7\%, Broca's 13\%, isolation 0\%, transcortical motor 1\%, Wernicke's 5\%, transcortical sensory 0\%, conduction 6\% and anomic 29\%. The distribution of aphasia types in acute and chronic aphasia is, thus, quite different. The outcome for language function was predicted by initial severity of the aphasia and by the initial stroke severity (assessed by the Scandinavian Stroke Scale), but not by age, sex or type of aphasia. Thus, a scoring of general stroke severity helps to improve the accuracy of the prognosis for the language function. One year after stroke, fluent aphasics were older than non-fluent aphasics, whereas such a difference was not found in the acute phase. Copyright {\copyright} 2004 S. Karger AG, Basel.}, address = {Department of Neurology, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark}, author = {Pedersen, P. M. and Vinter, K. and Olsen, T. S.}, citeulike-article-id = {6028621}, citeulike-linkout-0 = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0742271308&partnerID=40}, comment = {Source: Scopus ---=note-separator=--- Export Date: 28 October 2009 ---=note-separator=--- Cited By (since 1996): 40}, journal = {Cerebrovascular Diseases}, keywords = {aphasia, file-import-09-10-28, prognosis, stroke, time-course}, number = {1}, pages = {35--43}, posted-at = {2009-10-28 20:27:14}, priority = {2}, title = {Aphasia after stroke: Type, severity and prognosis: The Copenhagen aphasia study}, url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0742271308&partnerID=40}, volume = {17}, year = {2004} }

TY - JOUR ID - citeulike:6028621 L3 - citeulike-article-id:6028621 N2 - Aim: To determine the types, severity and evolution of aphasia in unselected, acute stroke patients and evaluate potential predictors for language outcome 1 year after stroke. Methods: 270 acute stroke patients with aphasia (203 with first-ever strokes) were included consecutively and prospectively from three hospitals in Copenhagen, Denmark, and assessed with the Western Aphasia Battery. The assessment was repeated 1 year after stroke. Results: The frequencies of the different types of aphasia in acute first-ever stroke were: global 32%, Broca's 12%, isolation 2%, transcortical motor 2%, Wernicke's 16%, transcortical sensory 7%, conduction 5% and anomic 25%. These figures are not substantially different from what has been found in previous studies of more or less selected populations. The type of aphasia always changed to a less severe form during the first year. Non-fluent aphasia could evolve into fluent aphasia (e.g., global to Wernicke's and Broca's to anomic), whereas a fluent aphasia never evolved into a nonfluent aphasia. One year after stroke, the following frequencies were found: global 7%, Broca's 13%, isolation 0%, transcortical motor 1%, Wernicke's 5%, transcortical sensory 0%, conduction 6% and anomic 29%. The distribution of aphasia types in acute and chronic aphasia is, thus, quite different. The outcome for language function was predicted by initial severity of the aphasia and by the initial stroke severity (assessed by the Scandinavian Stroke Scale), but not by age, sex or type of aphasia. Thus, a scoring of general stroke severity helps to improve the accuracy of the prognosis for the language function. One year after stroke, fluent aphasics were older than non-fluent aphasics, whereas such a difference was not found in the acute phase. Copyright © 2004 S. Karger AG, Basel. IS - 1 JF - Cerebrovascular Diseases AD - Department of Neurology, Bispebjerg Bakke 23, DK-2400 Copenhagen NV, Denmark EP - 43 TI - Aphasia after stroke: Type, severity and prognosis: The Copenhagen aphasia study VL - 17 SP - 35 KW - aphasia KW - file-import-09-10-28 KW - prognosis KW - stroke KW - time-course N1 - Source: Scopus N1 - Export Date: 28 October 2009 N1 - Cited By (since 1996): 40 AU - Pedersen, PM AU - Vinter, K AU - Olsen, TS PY - 2004/// UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-0742271308&partnerID=40 ER -