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Ultrasonic Normative Data on Hyoid Bone Displacement in Three and Four Year Old Children
Waizenhofer, Susan Lyne

2009, Master of Arts, Miami University, Speech Pathology and Audiology.
The purpose of this study was to establish normative parameters regarding the total distance of hyoid bone displacement following discrete bolus sizes of puree and liquid in 3 and 4 year old children. Establishing normative parameters for hyoid bone displacement in preschool-aged children will assist in the safe and accurate diagnoses of pediatric dysphagia. Twenty-nine typically developing children were assessed via an ultrasonic procedure. Following the capture of a swallow, precise hyoid bone measurements were obtained through frame-by-frame analysis. Results indicated small variability in hyoid bone displacement across all bolus sizes and consistencies. A marginally significant interaction effect was present between bolus size and consistency regardless of age or gender differences; specifically, there was a strong interaction effect at 0.5 cc. Furthermore, the results demonstrated a significant gender effect characterized by greater hyoid bone displacement in female subjects.
Donna Scarborough, Ph.D. (Advisor)
Kelly Knollman-Porter, M.A. (Committee Member)
Louis Van Vliet, Ph.D (Committee Member)
60 p.

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Waizenhofer, S. (2009). Ultrasonic Normative Data on Hyoid Bone Displacement in Three and Four Year Old Children. (Electronic Thesis or Dissertation). Retrieved from https://etd.ohiolink.edu/

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Waizenhofer, Susan. "Ultrasonic Normative Data on Hyoid Bone Displacement in Three and Four Year Old Children." Electronic Thesis or Dissertation. Miami University, 2009. OhioLINK Electronic Theses and Dissertations Center. 02 Aug 2015.

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Waizenhofer, Susan "Ultrasonic Normative Data on Hyoid Bone Displacement in Three and Four Year Old Children." Electronic Thesis or Dissertation. Miami University, 2009. https://etd.ohiolink.edu/

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