A New Diagnostic Tool for Apraxia in Patients with Right-Hemisphere Stroke: The Revised Cologne Apraxia Screening (KAS-R)

被引：10
|
作者：
Wirth, K. [1 ,2 ]
Held, A. [1 ]
Kalbe, E. [3 ]
Kessler, J. [1 ]
Saliger, J. [4 ]
Karbe, H. [4 ]
Fink, G. R. [1 ,2 ]
Weiss, P. H. [1 ,2 ]
机构：
[1] Uniklin Koln, Klin & Poliklin Neurol, Cologne, Germany
[2] Forschungszentrum Julich, Inst Neurowissensch & Med INM 3, Kognit Neurowissensch, Julich, Germany
[3] Uniklin Koln, Ctr Neuropsychol Diagnost & Intervent CeNDI, Med Psychol Neuropsychol & Gender Studies, Cologne, Germany
[4] Neurol Rehabil Zentrum Godeshohe, Bonn, Germany
来源：
FORTSCHRITTE DER NEUROLOGIE PSYCHIATRIE | 2016年 / 84卷 / 10期
关键词：
apraxia; aphasia; stroke; Cologne apraxia screening; IDEOMOTOR APRAXIA; LIMB APRAXIA; IMITATION; GESTURES; REHABILITATION; MOVEMENT; APHASIA; DAMAGE;
D O I：
10.1055/s-0042-115843
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
The Cologne Apraxia Screening (KAS) was developed to diagnose apraxia following left-hemisphere (LH) stroke. The present study aims at developing a diagnostic tool for patients with right-hemisphere (RH) stroke (KAS-R) by modifying the test material of the KAS and reducing the test items based on psychometric analyses. A total of 100 patients with RH stroke and 77 healthy control participants were tested. Psychometric analyses led to the exclusion of 8 KAS items. The final KAS-R, consisting of 12 items, shows good internal consistency (alpha=0.795) as well as high sensitivity (79.4%) and specificity (84.4%). Applying a cut-off value of <= 46 (out of 48) points, 39 RH stroke patients were diagnosed with apraxia. Significant correlations were found between the KAS-R and an imitation test as well as expert ratings, indicating high construct validity. The results suggest that the KAS-R is a reliable and valid diagnostic tool for apraxic deficits after RH stroke.
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收藏
页码：634 / 640
页数：7
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