Adductor spasmodic dysphonia: Standard evaluation of symptoms and severity

Celia F. Stewart, Elizabeth L. Allen, Phyllis Tureen, Beverly E. Diamond, Andrew Blitzer, Mitchell F. Brin

Research output: Contribution to journalArticle

Abstract

Description and quantification of the symptoms of adductor spasmodic dysphonia often reflect the clinician's knowledge of the disorder, ideas about the cause of the disorder, and personal experience. No reliable instrument that identifies and quantifies the spectrum of perceptual symptoms has been available. Therefore, we developed a standardized measure called the Unified Spasmodic Dysphonia Rating Scale (USDRS) in cooperation with a team of 118 experienced voice judges. Consensual validations of content validity guided the incremental development of the scale. Using the USDRS allows more consistent and complete data collection, both clinically and in research clinical trials.

Original languageEnglish (US)
Pages (from-to)95-103
Number of pages9
JournalJournal of Voice
Volume11
Issue number1
DOIs
StatePublished - 1997

Keywords

  • Evaluation
  • Focal laryngeal dystonia
  • Interjudge agreement
  • Rating scale
  • Spasmodic dysphonia
  • Voice

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Speech and Hearing
  • LPN and LVN

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