Effects of electrical stimulation on vocal functions in patients with nasopharyngeal carcinoma
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AbstractOBJECTIVES/HYPOTHESIS: This study aimed to evaluate the effects of neuromuscular electrical stimulation (NMES) on vocal functions in patients with nasopharyngeal carcinoma following radiation therapy.

STUDY DESIGN:
Prospective, randomized controlled trial. METHODS: One hundred forty newly treated NPC patients were recruited and randomized into NMES or traditional swallowing exercise (TE) group. Participants received intensive NMES or traditional swallowing therapy and were followed up until 12 months postrandomization. Fifty-seven participants completed the treatment and all of the follow-up assessments. The Voice Handicap Index-30 (VHI-30) was used to measure the vocal functions of the participants.

RESULTS: The NMES group showed no significant changes to their vocal functions, whereas the TE group showed a short-term deterioration of voice functions at the 6-month follow-up. VHI-30 scores returned to the baseline level for both groups at the 12-month follow-up.

CONCLUSIONS: NMES is shown to provide a short-term benefit on vocal functions for NPC patients following radiation therapy.
All Author(s) ListThomas Law, Kathy YS Lee, Rita WM Wong, Yeptain Leung, Peter KM Ku, Eddy WY Wong, Hok Nam Li, Louisa KY Ng, C Andrew van Hasselt, Michael CF Tong
Journal nameLaryngoscope
Year2017
Month5
Volume Number127
Issue Number5
PublisherJohn Wiley & Sons Inc
Place of PublicationUSA
Pages1119 - 1124
ISSN0023-852X
eISSN1531-4995
LanguagesEnglish-United States
KeywordsNeuromuscular electrical stimulation, nasopharyngeal carcinoma, voice-related quality of life, voice disorders, randomized controlled trial

Last updated on 2020-13-08 at 03:31