The clinical utility of vocal dosimetry for assessing voice rest

Stephanie Misono, Kathryn Banks, Philippe Gaillard, George S. Goding, Bevan Yueh

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Objectives/Hypothesis: Voice rest is frequently recommended following surgical disruption of vocal fold epithelium, but patients report variable adherence to voice rest recommendations. The objective of this study was to assess the clinical utility of an ambulatory vocal dosimeter for measuring adherence to voice rest recommendations.

Study Design: Outcomes research.

Methods: Part 1: To determine the utility of the dosimeter in nonclinical use, the relationship between self-reported voice use and dosimeter measurements was examined in normal subjects (n = 11) who prospectively logged voice use while wearing the dosimeter. Part 2: To determine clinical utility of the dosimeter, patients undergoing vocal fold surgery for which postoperative voice rest was recommended (n = 11) wore a dosimeter for 2 days prior to and 2 days after surgery. Phonation percent and sound level were compared at baseline and during voice rest.

Results: The dosimeter performed as hypothesized with both normal subjects and patients. A moderate correlation (r=0.62) was noted between self-reported voice use and dosimeter measurements in normal subjects. In patients on voice rest, a statistically and clinically significant decrease was observed in measured voice use, both in phonation time (P=.002) and intensity of phonation (P=.004).

Conclusions: Ambulatory vocal dosimetry may have clinical utility for assessing adherence to voice rest recommendations. This information will be useful for the design of future studies on voice rest.

Original languageEnglish (US)
Pages (from-to)171-176
Number of pages6
JournalLaryngoscope
Volume125
Issue number1
DOIs
StatePublished - Jan 1 2015

Bibliographical note

Copyright:
Copyright 2016 Elsevier B.V., All rights reserved.

Keywords

  • Adherence
  • Compliance
  • Laryngeal surgery
  • Vocal accumulator
  • Vocal dosimeter
  • Voice
  • Voice rest

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