, Volume 270, Issue 2, pp 783-787
Date: 17 Nov 2012

Free papers abstracts presented at Laryngology 2012, Cutting Edge Laryngology for the Twenty First Century

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UKM Medical Centre, Kuala Lumpur, Malaysia 1–3/June/2012

Effects on vocal quality following the perception of dehydration after obligatory period of decreased fluid intake

Ayala, KJ1; Davis, WR2

1Communication Sciences & Disorders, USA; 2Music Department, USA, (kayala@utpa.edu)

Background: Recommendations for increasing fluid intake have been standard protocol in management of voice disorders, however, literature has failed to support such practice. The primary goals of this study were to quantitatively and qualitatively define the effects of decreased hydration status on voice production and investigate the vocal effect(s) of a period of no/low-fluid intake, a clinical situation which may better represent the majority of voice clients than previous studies.

Methods: Effects of decreased hydration were examined across multiple key vocal parameters during an obligatory period of no-fluid intake. A relatively large group of subjects participated; 50 healthy volunteers with equal numbers of fe ...