Background. The objective of this study was to determine if the design enhancements incorporated into the new Provox Vega Indwelling Voice prostheses result in any positive benefits in vivo. Methods. Using a randomized, crossover study design, 31 participants using tracheoesophageal speech postlaryngectomy completed a 3-week trial of the Provox Vega and a comparator device. Main outcome measures included patient perceptions of vocal effort and quality using each device, and perceptual judgments of voice quality produced. Results. The majority of patients (72%) indicated the Provox Vega gave them overall better voice quality and 52% felt they required less effort to phonate. Voice samples produced with the Provox Vega were also perceived by listeners to be significantly (p
CITATION STYLE
Ward, E. C., Hancock, K., Lawson, N., & Van As-Brooks, C. J. (2011). Perceptual characteristics of tracheoesophageal speech production using the new indwelling Provox Vega voice prosthesis: A randomized controlled crossover trial. Head and Neck, 33(1), 13–19. https://doi.org/10.1002/hed.21389
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