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. 2015 Jan;125(1):171-6.
doi: 10.1002/lary.24887. Epub 2014 Aug 19.

The clinical utility of vocal dosimetry for assessing voice rest

Stephanie Misono  1 , Kathryn Banks, Philippe Gaillard, George S Goding Jr, Bevan Yueh
Affiliations

The clinical utility of vocal dosimetry for assessing voice rest

Stephanie Misono et al. Laryngoscope. 2015 Jan.

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.

Keywords: Voice; adherence; compliance; laryngeal surgery; vocal accumulator; vocal dosimeter; voice rest.

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Conflict of interest statement

Conflict of Interest: None

Figures

Figure 1
Figure 1
Low profile neck piece for vocal dosimeter
Figure 2
Figure 2
Association between self-reported voice use and dosimeter measurements
See this image and copyright information in PMC

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