The Laryngoscope · 2019
Is a voice-specific instrument more indicative of stroboscopy results than common clinical queries?
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DeVore Elliana Kirsh, Carroll Thomas L, Shin Jennifer J
Аннотация
OBJECTIVES: To determine whether the Voice Handicap Index-10 (VHI-10) predicts diagnoses made via laryngoscopy/stroboscopy, as compared to common clinical inquiries about vocal characteristics.
METHODS: We prospectively collected data from a cohort of 204 consecutive patients newly presenting for ambulatory laryngology evaluation. Each patient completed the VHI-10 and 16 concurrent mainstream queries about vocal characteristics such as weakness, breathiness, fatiguability, or inability to shout. Using the objective diagnoses made by laryngoscopy/stroboscopy as a gold standard, the area under the receiver operating characteristic curves (AUC), sensitivity, and specificity were determined.
RESULTS: For unilateral vocal fold paralysis, VHI-10 scores had an AUC of 0.78 (95% CI, 0.68-0.88) and had better discrimination than 12 common clinical queries. At a threshold score of ≥11, VHI-10 sensitivity was 0.94; at a threshold of ≥31, specificity was 0.91. For laryngeal stenosis, the VHI-10 score demonstrated moderate discrimination, with an AUC of 0.79 (95% CI, 0.56-1.00) and higher discrimination than three common clinical queries. At a threshold score of ≥11, VHI-10 sensitivity was 1.00; at a threshold of ≥31, specificity was 0.89. Both VHI-10 scores and common clinical queries had low diagnostic ability for vocal fold paresis, laryngopharyngeal reflux (LPR), paradoxical vocal fold motion, and vocal fold scar or atrophy.
CONCLUSIONS: The VHI-10 score is an effective diagnostic indicator of laryngoscopy/stroboscopy findings of vocal fold paralysis and laryngeal stenosis, performing better than multiple mainstream queries about vocal characteristics. VHI-10 scores and common clinical queries are limited in their ability to indicate paresis, reflux, paradoxical motion, and vocal fold scar or atrophy.
LEVEL OF EVIDENCE: 2c Laryngoscope, 130:992-999, 2020.
METHODS: We prospectively collected data from a cohort of 204 consecutive patients newly presenting for ambulatory laryngology evaluation. Each patient completed the VHI-10 and 16 concurrent mainstream queries about vocal characteristics such as weakness, breathiness, fatiguability, or inability to shout. Using the objective diagnoses made by laryngoscopy/stroboscopy as a gold standard, the area under the receiver operating characteristic curves (AUC), sensitivity, and specificity were determined.
RESULTS: For unilateral vocal fold paralysis, VHI-10 scores had an AUC of 0.78 (95% CI, 0.68-0.88) and had better discrimination than 12 common clinical queries. At a threshold score of ≥11, VHI-10 sensitivity was 0.94; at a threshold of ≥31, specificity was 0.91. For laryngeal stenosis, the VHI-10 score demonstrated moderate discrimination, with an AUC of 0.79 (95% CI, 0.56-1.00) and higher discrimination than three common clinical queries. At a threshold score of ≥11, VHI-10 sensitivity was 1.00; at a threshold of ≥31, specificity was 0.89. Both VHI-10 scores and common clinical queries had low diagnostic ability for vocal fold paresis, laryngopharyngeal reflux (LPR), paradoxical vocal fold motion, and vocal fold scar or atrophy.
CONCLUSIONS: The VHI-10 score is an effective diagnostic indicator of laryngoscopy/stroboscopy findings of vocal fold paralysis and laryngeal stenosis, performing better than multiple mainstream queries about vocal characteristics. VHI-10 scores and common clinical queries are limited in their ability to indicate paresis, reflux, paradoxical motion, and vocal fold scar or atrophy.
LEVEL OF EVIDENCE: 2c Laryngoscope, 130:992-999, 2020.