Titre du document

Effects of Surface Electrical Stimulation Both at Rest and During Swallowing in Chronic Pharyngeal Dysphagia

Lien vers le document
Nom du corpus

Ortho

Auteur(s)
  • Christy L. Ludlow PhD 1,2
  • Ianessa Humbert PhD 3
  • Keith Saxon MD 1
  • Christopher Poletto PhD 1
  • Barbara Sonies PhD 4
  • Lisa Crujido MS 5
Affiliation(s)
  • Laryngeal and Speech Section, National Institute of Neurological Disorders and Stroke, Bethesda, Maryland
  • 10 Center Drive MSC 1416, Bldg. 10 Rm. 5D38, 20892, Bethesda, MD, USA
  • Departments of Medicine and Radiology, Geriatric Research Education and Clinical Center (GRECC), University of Wisconsin-Madison, Wm. S. Middleton Veterans Hospital, Madison, Wisconsin
  • Department of Rehabilitation of the Clinical Center, National Institutes of Health, Bethesda, Maryland
  • Department of Speech and Hearing Science, Arizona State University, Tempe, Arizona, USA
Langue(s) du document
Anglais
Revue

Dysphagia

Éditeur
Springer [journals]
Année de publication
2006
Type de publication
Journal
Type de document
Research-article
Résumé

We tested two hypotheses using surface electrical stimulation in chronic pharyngeal dysphagia: that stimulation (1) lowered the hyoid bone and/or larynx when applied at rest, and (2) increased aspiration, penetration, or pharyngeal pooling during swallowing. Bipolar surface electrodes were placed on the skin overlying the submandibular and laryngeal regions. Maximum tolerated levels of stimulation were applied while patients held their mouth closed at rest. Videofluoroscopic recordings were used to measure hyoid movements in the superior-inferior and anterior-posterior dimensions and the subglottic air column position while stimulation was on or off. Patients swallowed 5 ml liquid when stimulation was off, at low sensory stimulation levels, and at maximum tolerated levels (motor). Speech pathologists, blinded to condition, tallied the frequency of aspiration, penetration, pooling, and esophageal entry from videofluorographic recordings of swallows. Only significant (p = 0.0175) hyoid depression occurred during stimulation at rest. Aspiration and pooling were significantly reduced only with low sensory threshold levels of stimulation (p = 0.025) and not during maximum levels of surface electrical stimulation. Those patients who had reduced aspiration and penetration during swallowing with stimulation had greater hyoid depression during stimulation at rest (p = 0.006). Stimulation may have acted to resist patients’ hyoid elevation during swallowing.

Mots-clés d'auteur
  • Deglutition
  • Deglutition disorders
  • Hyolaryngeal movement
  • Aspiration
  • Penetration
  • Sensory stimulation
  • Resistance
  • Transcutaneous neuromuscular stimulation
Score qualité du texte
9.436
Version PDF
1.3
Présence de XML structuré
Non
Identifiant ISTEX
4590ECA601083D9B518A9CE74516B8F0A19AAF8D
Nom du fichier dans la ressource
ortho-ang_0133
ark:/67375/VQC-QM9HV12Q-P
Powered by Lodex 9.8.2