Canadian Journal of Speech-Language Pathology and Audiology

Effects of sub-thalamic deep brain stimulation on speech production in Parkinson’s Disease: A Critical Review of the Literature

 
Author(s) Ivana Iulianella
Scott G. Adams
Alexandrea K. Gow
Volume 32
Number 2
Year 2008
Page(s) 85-91
Language English
Category
Keywords Parkinson’s
deep
brain
stimulation
subthalamic
nucleus
speech
Abstract This critical review examined the effects of subthalamic nucleus deep brain stimulation (STN-DBS) on speech in individuals with Parkinson’s disease in eight studies. Study designs included: seven quasi-experimental studies and one case study. Overall, the evidence failed to provide support for the beneficial effects of STN-DBS on speech production in Parkinson’s disease. It is suggested that the STN-DBS procedure requires additional refinements in order to be optimized for the treatment of speech symptoms. Additional studies involving more subjects, randomization procedures, control of severity level, and systematic manipulations of stimulation settings and locations are recommended.

Le présent compte rendu critique porte sur huit études, soit sept recherches quasi expérimentales et une étude de cas, qui traitant des effets de la stimulation cérébrale profonde d’un noyau sous-thalamique (SCP-NST) sur la parole des personnes atteintes de la maladie de Parkinson. Dans l’ensemble, il manque des données probantes pour appuyer les effets bénéfiques de la SCP-NST sur la production de la parole chez les parkinsoniens. Il faudrait améliorer la procédure de SCP-NST pour qu’elle agisse de manière plus optimale lors du traitement des symptômes de la parole. Il est recommandé de mener d’autres études faisant appel à davantage de participants, , à des procédures de randomisation, au contrôle du degré de sévérité ainsi qu’à la manipulation systématique des paramètres et des zones de stimulation.
Record ID 958
Link http://cjslpa.ca/files/2008_CJSLPA_Vol_32/No_02_69-108/Iulianella_Adams_Gow_CJSLPA_2008.pdf
 
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