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Effects of effortful swallow on modulation of heart rate modulation in individuals with neurogenic orofaringeal dysphagia

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Author(s):
Livia Maria Silva Gomes
Total Authors: 1
Document type: Master's Dissertation
Press: Marília. 2018-07-02.
Institution: Universidade Estadual Paulista (Unesp). Faculdade de Filosofia e Ciências. Marília
Defense date:
Advisor: Vitor Engrácia Valenti; Roberta Gonçalves da Silva
Abstract

Introduction: The search for evidence for rehabilitation and the use of therapeutic techniques applied to neurogenic oropharyngeal dysphagia has become a determining factor in the design of rehabilitation programs. The effort swallowing maneuver has been frequently studied, but one of the questions still not clarified in individuals with oropharyngeal dysphagia treats the cardiac overload from the execution of effort. Objective: To compare the effects of spontaneous deglutition and effort swallowing maneuver on heart rate modulation in individuals with neurogenic oropharyngeal dysphagia. Methods: The study was performed in 23 individuals with neurogenic oropharyngeal dysphagia, diagnosed with neurological diseases, aged between 50 and 90 years (mean age 67 years), in both sexes. We analyzed groups of individuals after stroke (N = 8) and with Parkinson's Disease (N = 15). The protocol consisted of two steps in which the linear indexes of the heart rate variability during 5 minutes in each protocol were analyzed: 1) spontaneous deglutition and; 2) effortful swallow, monitored by surface electromyography throughout the protocol with variation of 5.25% in muscle activation during effort swallowing (p = 0.009). Results: There was no statistically significant difference in the indices of heart rate variability during the effort swallowing protocol. Conclusion: The muscular effort performed during the maneuver of effort swallowing in individuals with neurogenic oropharyngeal dysphagia of this sample did not alter the autonomic cardiac modulation of the individuals. (AU)

FAPESP's process: 16/04665-5 - Effects of effortful swallow on heart rate modulation in individuals with dysphagia oropharyngeal neurogenic
Grantee:Livia Maria Silva Gomes
Support Opportunities: Scholarships in Brazil - Master