Document Detail


Modifying postural adaptation following a CVA through prismatic shift of visuo-spatial egocenter.
MedLine Citation:
PMID:  19484630     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To demonstrate that Visual Midline Shift Syndrome (VMSS) following a cerebrovascular accident (CVA) can be corrected with yoked prisms.
RESEARCH DESIGN: This randomized study describes how the use of yoked prisms affects visual midline and documents the influence of yoked prisms on improving postural orientation.
METHODS AND PROCEDURES: Evaluation of VMSS and its correlation with postural lean during ambulation were studied in 30 post-CVA subjects and 30 controls.
EXPERIMENTAL INTERVENTIONS: Yoked prisms were used to treat VMSS by correcting posture and balance.
OUTCOMES AND RESULTS: Over 50% of post-CVA subjects showed positive visual midline shift (p < 0.001; 95% confidence interval [CI], 0.660.93 for right CVAs and p = 0.001; 95% CI, 0.61-0.93 for left CVAs). A statistically significant proportion of those with a positive shift showed a decrease in shift utilizing yoked prisms (p < 0.001; 95% CI, 0.73-0.97 for right CVAs and p = 0.001; 95% CI, 0.07-0.39 for left CVAs). Additionally, over 50% of CVA subjects developed lean or drift away from hemiparesis and many subjects showed increased weight-bearing on the hemiparetic side with yoked prisms.
CONCLUSIONS: Yoked prisms are an effective means of treating VMSS in this population and may be useful in other neurological syndromes with visuo-spatial involvement.
Authors:
William V Padula; Christine A Nelson; William V Padula; Raquel Benabib; Taygan Yilmaz; Steven Krevisky
Publication Detail:
Type:  Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Brain injury     Volume:  23     ISSN:  1362-301X     ISO Abbreviation:  Brain Inj     Publication Date:  2009 Jun 
Date Detail:
Created Date:  2009-06-01     Completed Date:  2010-06-03     Revised Date:  2014-11-14    
Medline Journal Info:
Nlm Unique ID:  8710358     Medline TA:  Brain Inj     Country:  England    
Other Details:
Languages:  eng     Pagination:  566-76     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Aged
Female
Functional Laterality / physiology*
Humans
Male
Optical Processes*
Paresis / physiopathology,  rehabilitation*
Postural Balance / physiology*
Posture / physiology*
Psychomotor Performance
Stroke / physiopathology,  rehabilitation*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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