Abstract
Phonatory Aerodynamic System (PAS Model 6600) is an evaluation instrument that assesses the effectiveness of surgical interventions, treatments, and therapy for voice disorders. It can be used for the assessment of voice disorders by supporting other perceptual and instrumental methods. It is important to establish normative data, because the use of appropriate norms is necessary for diagnostic and descriptive accuracy. Therefore, this study is aimed primarily at establishing adult normative databases for phonatory aerodynamic measures obtained with the KayPENTAX PAS Model 6600 among healthy adult Turkish speakers and then examining the effect of age, gender, and age-gender interaction variables on these measures. The contribution of the study is considered so important since it will generate normative data for all measurements—except the mean pitch—by the five protocols of PAS for the first time. Two hundred and six healthy Turkish speakers with normal voice (106 women and 100 men) were included in the study and stratified into three age groups. Forty-five phonatory aerodynamic measures across five PAS protocols (vital capacity, maximum sustained phonation, comfortable sustained phonation, variation in sound pressure level, and voicing efficiency) were collected. Age, gender, and age-gender interaction variables were analyzed for 45 PAS parameters. Significant gender and age effect was found for 30 and 19 variables, respectively. Gender-age interaction together was observed for only 6 parameters. Significant differences were not found for the remaining 10 parameters. Significant age and gender effects were observed for 35 phonatory and aerodynamic measures which are essential part of the objective clinical assessment of voice. Consequently, normative data used as reference in voice assessment should be generated according to age and gender differences.
Highlights
Healthy voice is of utmost importance for flawless communication
The findings indicated that age variables influenced 19 parameters, gender variables influenced 30 parameters, and gender-age interaction influenced 6 parameters
This data is categorized into age and gender groups for all parameters of all PAS protocols
Summary
Healthy voice is of utmost importance for flawless communication. Communication might be interrupted by some voice disorders. The nature of voice disorders is complex, so is its assessment. For a comprehensive assessment of voice function, one needs to have a comprehensive story of the case, to mind the psychosocial context, and to evaluate the vibrational characteristics of the larynx and vocal folds. Among the means modern clinicians employ to evaluate voice are acoustic, aerodynamic, and endoscopic techniques—besides visual and perceptual assessment methods [1]. A comprehensive voice assessment constitutes a vital phase of an individualized and successful treatment program. The clinicians are advised to use all available perceptual and instrumental assessment methods they have [2]
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