Stephanie R C Zacharias1, Dimitar D Deliyski2, Terri Treman Gerlach3. 1. Division of Speech-Language Pathology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, Ohio; Division of Pediatric Otolaryngology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, Ohio; Department of Otolaryngology-Head and Neck Surgery, University of Cincinnati, 3230 Eden Ave, Cincinnati, Ohio; Department of Communication Sciences and Disorders, University Cincinnati, 3202 Eden Ave, Cincinnati, Ohio. Electronic address: Stephanie.Zacharias@cchmc.org. 2. Division of Pediatric Otolaryngology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, Ohio; Department of Communicative Sciences and Disorders, Michigan State University, 1026 Red Cedar Rd, East Lansing, Michigan; Department of Communication Sciences and Disorders, University of South Carolina, 1300 Wheat St, Columbia, South Carolina. 3. Department of Communication Sciences and Disorders, University of South Carolina, 1300 Wheat St, Columbia, South Carolina; Voice and Swallowing Center, Charlotte Eye Ear Nose and Throat Associates, 6035 Fairview Rd, Charlotte, North Carolina.
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.
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.
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