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  • Acoustic and Perceptual Profiles of Swallowing Sounds in Children: Normative Data for 4-36 Months from a Cross-Sectional Study Cohort

    Author(s)
    Frakking, Thuy T
    Chang, Anne B
    O'Grady, Kerry-Ann F
    Yang, Julie
    David, Michael
    Weir, Kelly A
    Griffith University Author(s)
    Weir, Kelly A.
    David, Michael
    Year published
    2017
    Metadata
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    Abstract
    Limited data on cervical auscultation (CA) sounds during the transitional feeding period of 4–36 months in healthy children exist. This study examined the acoustic and perceptual parameters of swallowing sounds in children aged 4–36 months over a range of food and fluid consistencies. Using CA, swallowing sounds were recorded from a microphone as children ate or drank. Acoustic parameters of duration, peak frequency and peak intensity were determined. Perceptual parameters of swallowing/breath sounds heard pre-, during and post-swallow were rated (‘present’, ‘absent’, ‘cannot be determined’) for each texture. 74 children (35 ...
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    Limited data on cervical auscultation (CA) sounds during the transitional feeding period of 4–36 months in healthy children exist. This study examined the acoustic and perceptual parameters of swallowing sounds in children aged 4–36 months over a range of food and fluid consistencies. Using CA, swallowing sounds were recorded from a microphone as children ate or drank. Acoustic parameters of duration, peak frequency and peak intensity were determined. Perceptual parameters of swallowing/breath sounds heard pre-, during and post-swallow were rated (‘present’, ‘absent’, ‘cannot be determined’) for each texture. 74 children (35 males; mean age = 17.1 months [SD 10.0]) demonstrated mean swallow durations of <1 s. Increasing age correlated to reduced peak frequency on puree (r = −0.48, 95 % CI −0.66, −0.24). Age correlated to peak amplitude when swallowing puree (r = 0.27, 95 % CI 0.02, 0.49), chewable solids (r = 0.31, 95 % CI 0.02, 0.56) and thin fluids (r = 0.48, 95 % CI 0.27, 0.64). The bolus transit sound was present in all swallows. A majority of children had normal breathing sounds and coordinated swallows. A swallow duration of <1 s and the presence of a quick bolus transit sound with normal breathing sounds were found in healthy children. The normative data reported in this study provide a platform for future comparison to abnormal swallowing sounds in children.
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    Journal Title
    Dysphagia
    DOI
    https://doi.org/10.1007/s00455-016-9755-1
    Note
    This publication has been entered into Griffith Research Online as an Advanced Online Version.
    Subject
    Allied health and rehabilitation science
    Paediatrics
    Speech pathology
    Publication URI
    http://hdl.handle.net/10072/143637
    Collection
    • Journal articles

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