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Interaction Between Recovery of Motor and Language Abilities After Stroke.

Authors :: Ginex V
Gilardone G
Viganò M
Monti A
Judica E
Passaro I
Gilardone M
Vanacore N
Corbo M
Source :: Archives of physical medicine and rehabilitation [Arch Phys Med Rehabil] 2020 Aug; Vol. 101 (8), pp. 1367-1376. Date of Electronic Publication: 2020 May 15.
Publication Year :: 2020
Abstract: Objective: To analyze the nature of the interaction between motor and language recovery in patients with motor impairment and aphasia following left hemispheric stroke and to investigate prognostic factors of best recovery, that is, the significant recovery of both functions simultaneously. Design: Retrospective cohort study. Setting: Specialized inpatient rehabilitation facility. Participants: Patients (N=435) with left hemispheric stroke in the postacute phase with motor impairment and aphasia. Intervention: Not applicable. Main Outcome Measure: Patients who reached the minimal clinically important difference in the motor-FIM (M-FIM) were classified as motor responders, patients who reached a significant change in Aachen Aphasia Test were classified as language responders, and patients who reached a simultaneous and significant improvement in both functions were classified as motor and language responders. Results: Of the sample 45% were motor responders, 58% were language responders, and 35% were motor and language responders. Responder groups showed lower motor impairment and less severe aphasia at admission and greater improvement in both functions at discharge compared with nonresponder groups. Premorbid autonomy, dysphagia, apraxia, and number of rehabilitative sessions were also significantly different between groups. A logistic regression model identified M-FIM, repetition abilities, and number of sessions of speech and language therapy as independent predictors of best response (ie, motor and language responders). Conclusions: This study provides evidence about a possible interaction between motor and language recovery after stroke. The improvement in one function was never associated with deterioration in the other. The results actually suggest a synergic effect between the amelioration of the 2 functions, with an overall increased efficiency when the 2 recovery pathways are combined. (Copyright © 2020 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.)