1. Complete Vocal Technique-Voice Therapy as a Novel Intervention for Rehabilitation of Laryngeal-Phonatory Dysfunction in Acquired Brain Injury Patients--An Exploratory Retrospective Study.
- Author
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Aaen, Mathias, Rose, Alies, Christoph, Noor, Sadolin, Cathrine, and McGlashan, Julian
- Subjects
LARYNX ,RESEARCH ,MEDICAL rehabilitation ,PHYSIOLOGICAL aspects of speech ,HUMAN voice ,TIME ,RETROSPECTIVE studies ,PATIENTS ,TASK performance ,TREATMENT effectiveness ,PRE-tests & post-tests ,COMPARATIVE studies ,RESEARCH funding ,DESCRIPTIVE statistics ,QUESTIONNAIRES ,VOICE disorder treatment ,BRAIN injuries ,VOICE disorders ,REHABILITATION for brain injury patients ,GOAL (Psychology) ,DISEASE complications - Abstract
Purpose: The purpose of this study was to explore the use of Complete Vocal Technique (CVT) voice therapy in acquired brain injury (ABI) patients Study: This study is an exploratory retrospective study. Method: Five ABI patients (two female and three male) with an average age of 20.6 years (SD = 3.5) received CVT voice therapy from an authorized CVT teacher at a neurorehabilitation facility in conjunction with physical rehabilitation therapy and speech and language therapy. Pre- and postmeasures included Voice Handicap Index, Maximum Phonation Time, electroglottography, and acoustic measures. Results: All voice measures improved for all five patients after receiving CVT voice therapy. Voice Handicap Index scores decreased from an average of 48.4 to 22.8. Maximum Phonation Time improved while the electroglottography and acoustic data showed improved phonation stability in jitter and shimmer measures. Overall, following the intervention, patients demonstrated improved loudness range, improved range in contact quotient for different sound conditions, faster-paced speech, extended functional pitch range, and decrease in unwanted creaking and breathiness. Conclusions: The findings suggest that CVT may be used as therapy in ABI populations with promising results. Both patient self-assessment and objective voice measures demonstrate improved voice function. Given the longitudinal nature of recovery in ABI patients, more studies are needed to qualify at which stage(s) of recovery the CVT interventions are most effective and beneficial. Randomized controlled trials for specific patient populations of ABI are needed to assess the interventions' effectiveness in specific ABI diagnoses. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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