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. 2018 Mar;32(2):216-220.
doi: 10.1016/j.jvoice.2017.05.002. Epub 2017 Jun 7.

Utility of Laryngeal High-speed Videoendoscopy in Clinical Voice Assessment

Stephanie R C Zacharias  1 , Dimitar D Deliyski  2 , Terri Treman Gerlach  3
Affiliations

Utility of Laryngeal High-speed Videoendoscopy in Clinical Voice Assessment

Stephanie R C Zacharias et al. J Voice. 2018 Mar.

Abstract

Objective: This study aimed to assess the utility of laryngeal high-speed videoendoscopy (HSV) as a clinical tool.

Design: This is a prospective study of 151 patients.

Methods: A total of 151 adult patients (52 male, 99 female) underwent both videoendoscopy with stroboscopy (videostroboscopy) and HSV examination as part of a routine clinical voice assessment. At the time of the examination, ratings for videostroboscopy were reported in the clinical report. Next, the clinicians reviewed the HSV examination and indicated the changes in ratings of HSV relative to videostroboscopy. Finally, the clinical reports were reviewed by a clinician not involved in data collection or clinical care of the patients and noted differences between videostroboscopy and HSV clinical ratings, and resulting diagnoses were identified and grouped.

Results: Ratings of all vibratory features showed change between videostroboscopy and HSV. Mucosal wave and amplitude of vibration showed the largest percentage change, respectively, in 74% and 53% of the reports. They were followed by the features of glottal closure (36%), phase closure (32%), glottal edge (25%), and phase symmetry (21%). Ratings of supraglottic compression and vocal fold vertical level showed the least change between videostroboscopy and HSV. Changes in initial diagnosis owing to the inclusion of HSV were indicated in 7% of the cases.

Conclusions: HSV may be an important laryngeal imaging technique for functional assessment of the pathophysiology of certain voice disorders. HSV could enable important refinements in the diagnosis and management of vocal fold pathology.

Keywords: High-speed videoendoscopy; Videostroboscopy; Vocal-fold vibration; Voice assessment; Voice disorders.

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Figures

Figure 1.
Figure 1.
Percent change in clinical ratings of vibratory features and diagnosis: videostroboscopy to high-speed videoendoscopy.
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