Early auditory middle latency evoked potentials correlates with recovery from aphasia after stroke

被引：9
|
作者：
Rojas Sosa, M. C. [2 ]
Fraire Martinez, M. I. [3 ]
Olvera Gomez, J. L. [4 ]
Jauregui-Renaud, K. [1 ]
机构：
[1] Inst Mexicano Seguro Social, Unidad Invest Med Otoneurol CMN S21, Mexico City 06720, DF, Mexico
[2] Inst Mexicano Seguro Social, Unidad Med Fis & Rehabil Siglo 21, Mexico City 06720, DF, Mexico
[3] Inst Mexicano Seguro Social, Dept Electrofisiol, HP CMN S21, Mexico City 06720, DF, Mexico
[4] Inst Mexicano Seguro Social, Dept Audiol & Otoneurol HGZ 30, Mexico City 06720, DF, Mexico
来源：
CLINICAL NEUROPHYSIOLOGY | 2009年 / 120卷 / 01期
关键词：
Evoked potentials; Aphasia; Stroke; POSTSTROKE APHASIA; CORTICAL-LESIONS; RESPONSES; COMPONENTS; ANESTHESIA;
D O I：
10.1016/j.clinph.2008.10.011
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
Objective: To assess the relationship between the latency of Pa and Nb peaks of the middle latency auditory responses and the score on the Boston Diagnostic Aphasia Examination, during a 6-month follow-up after stroke in the territory of the left mid cerebral artery. Methods: The middle latency auditory potentials of 10 aphasic stroke patients were recorded within the first 3 days post-onset, at the time of hospital discharge and 2, 4 and 6 months afterwards, along with that of 30 control subjects; in patients, the evolution of aphasia was evaluated using the Boston Diagnostic Aphasia Examination score. Results: During follow-up decreasing potential latencies and increasing language scores were observed (ANCOVA, R-2 0.75. p < 0.01): the Nb peak latency recorded during the first days after stroke was related to the language score difference after 6 months (Pearson, r = 0.66, p < 0.01). Conclusions: In patients with aphasia after stroke, the auditory electrical response recorded at hospital discharge, after stroke is related to their recovery from aphasia, evaluated by the Boston Diagnostic Aphasia Examination. Significance: Early middle latency auditory evoked responses may have a prognostic value in aphasic stroke patients. (C) 2008 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
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页码：136 / 139
页数：4
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