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Relation between initiation of pharyngeal swallow response and lateralization of brain injury in stroke

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Author(s):
Thaís Coelho Alves
Total Authors: 1
Document type: Master's Dissertation
Press: Marília. 2016-04-13.
Institution: Universidade Estadual Paulista (Unesp). Faculdade de Filosofia e Ciências. Marília
Defense date:
Advisor: Roberta Gonçalves da Silva; Paula Cristina Cola
Abstract

The central nervous system represent bilaterally of the neuromotor control of swallowing, and the cerebral cortex triggers the oral and pharyngeal phases. Although the findings of oropharyngeal swallowing and location of the lesion in stroke have been studied, it is still necessary investigations involving the lateralization of cortical damage and changes in swallowing. The aimed of this research was to verify the relationship between pharyngeal swallow response (PSR) with the lateralization of brain injury in individual after stroke with oropharyngeal dysphagia in different food consistencies and age. For this study were analyzed 90 videofluoroscopic swallow studies, and 73 were selected, covering all the criteria for inclusion and exclusion of research. These 73 videofluoroscopic swallow studies were of individuals post unilateral hemispheric ischemic stroke with neurological diagnosis confirmed by clinical medical or neuroimaging examinations. They were divided into two groups, according to the lateralization of the cortical lesion, and the group 1 (G1) was composed of 39 individuals with left cortical lesion and group 2 (G2) of 34 patients with right cortical injury. The examinations of G1 and G2 were analyzed in the puree and thin liquid consistencies. To check the PSR, the exams were analyzed using computerized specific software and two judges trained in the procedure. For the analysis of the PSR was carried out agreement between the judges in the intraclass correlation test (ICT). After the ICT, the time of the PSR used in this study was the average statistical analysis performed between the judges. Subsequently, was used the Mann-Whitney test to compare the groups G1 and G2 with the PSR. The results showed no statistical difference in the comparison between the G1 and G2 for the value of PSR in both consistencies and age group studied. Therefore, we concluded that there was no relationship between the pharyngeal swallow response with the lateralization of brain injury, regardless of food consistency or age in the individual after stroke with oropharyngeal dysphagia. (AU)

FAPESP's process: 14/03848-3 - Relation Between Initiation of Pharyngeal Response and Lateralization of Brain Injury in Stroke
Grantee:Thaís Coelho Alves
Support Opportunities: Scholarships in Brazil - Master