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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Effects of effortful swallowing on cardiac autonomic control in individuals with neurogenic dysphagia: a prospective observational analytical study

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Author(s):
Gomes, Livia M. S. [1] ; da Silva, Roberta G. [1] ; Pedroni, Cristiane R. [2] ; Garner, David M. [3] ; Raimundo, Rodrigo D. [4] ; Valenti, Vitor E. [1]
Total Authors: 6
Affiliation:
[1] UNESP, Dept Speech Hearing & Language Pathol, Marilia, SP - Brazil
[2] UNESP, Dept Phys Therapy & Occupat Therapy, Marilia, SP - Brazil
[3] Oxford Brookes Univ, Fac Hlth & Life Sci, Dept Biol & Med Sci, Cardioresp Res Grp, Headington Campus, Oxford OX3 0BP - England
[4] Ctr Univ Saude ABC, Lab Delineamento Estudos & Escrita Cient, Ave Principe Gales 667, BR-09060590 Santo Andre, SP - Brazil
Total Affiliations: 4
Document type: Journal article
Source: SCIENTIFIC REPORTS; v. 10, n. 1 JUL 2 2020.
Web of Science Citations: 0
Abstract

Considering that neurogenic oropharyngeal dysphagia is a prevalent condition with or without cardiac disease we should contemplate issues surrounding cardiovascular difficulties during rehabilitation. This study aims to evaluate the effects of effortful swallowing maneuver (ESM) on heart rate variability (HRV) in subjects with neurogenic oropharyngeal dysphagia. We studied 22 individuals {[}8 Stroke and 14 Parkinson Disease (PD) subjects aged between 41 and 75 years old] with neurogenic oropharyngeal dysphagia regardless of gender. HRV was assessed under two circumstances: spontaneous swallowing versus ESM. Surface electromyography of the suprahyoid muscles was undertaken to measure the swallowing muscle excitation, which then confirmed higher muscle activity during ESM. We attained no changes in HRV between the two swallowing events {[}HR: spontaneous swallowing 78.68 +/- 13.91 bpm vs. ESM 102.57 +/- 107.81 bpm, p=0.201; RMSSD (root-mean square of differences between adjacent normal RR intervals in a time interval): spontaneous swallowing 16.99 +/- 15.65 ms vs. ESM 44.74 +/- 138.85 ms, p=0.312; HF (high frequency): spontaneous swallowing 119.35 +/- 273 ms(2) vs. ESM 99.83 +/- 194.58 ms(2), p=0.301; SD1 (standard deviation of the instantaneous variability of the beat-to-beat heart rate): spontaneous swallowing 12.02 +/- 1.07 ms vs. ESM 31.66 +/- 98.25 ms, p=0.301]. The effortful swallowing maneuver did not cause clinically significant changes in autonomic control of HR in this group of subjects with oropharyngeal dysphagia. (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 type: Scholarships in Brazil - Master