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Transcranial Direct Current Stimulation Improves Swallowing Function in Stroke Patients.
MedLine Citation:
PMID:  23392916     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Poststroke dysphagia can persist, leading to many complications. OBJECTIVE: We investigated whether noninvasive brain stimulation to the pharyngeal motor cortex combined with intensive swallowing therapy can improve dysphagia. METHODS: A total of 20 patients who had dysphagia for at least 1 month after stroke were randomly assigned to receive 10 sessions lasting 20 minutes each of either 1-mA anodal transcranial direct current stimulation (tDCS) or a sham procedure to the ipsilesional pharyngeal motor cortex, along with simultaneous conventional swallowing therapies. We evaluated swallowing function with the Dysphagia Outcome and Severity Scale (DOSS) before, immediately after, and 1 month after the last session. RESULTS: Anodal tDCS resulted in an improvement of 1.4 points in DOSS (P = .006) immediately after the last session and 2.8 points (P = .004) 1 month after the last session. The sham tDCS group improved 0.5 points (P = .059) after the last session and 1.2 points (P = .026) 1 month after the final session. The improvements in the anodal tDCS group were significantly greater than those in the sham tDCS group (P = .029 after the last session, and P = .007 1 month after the last session). CONCLUSIONS: Anodal tDCS to the ipsilesional hemisphere and simultaneous peripheral sensorimotor activities significantly improved swallowing function as assessed by the DOSS.
Authors:
Takashi Shigematsu; Ichiro Fujishima; Kikuo Ohno
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-7
Journal Detail:
Title:  Neurorehabilitation and neural repair     Volume:  -     ISSN:  1552-6844     ISO Abbreviation:  Neurorehabil Neural Repair     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100892086     Medline TA:  Neurorehabil Neural Repair     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1Hamamatsu City Rehabilitation Hospital, Shizuoka, Japan.
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