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Normative Vocal acuastic Parameters for Preschool and Elementary School Egyptian المعلمات الصوتية المعيارية للأطفال المصريين فى سن ما قبل المدارس والمدارس الابتدائية
Faculty
Medicine
Year:
2021
Type of Publication:
ZU Hosted
Pages:
Authors:
Ilham Magdy Hassan Kadry
Staff Zu Site
Abstract In Staff Site
Journal:
Pediatric Otolaryngology Journal Pediatric Otolaryngology Journal
Volume:
Keywords :
Normative Vocal acuastic Parameters , Preschool , Elementary
Abstract:
Background: A reliable acoustic analysis necessitates the availability of standard normative values at different ages. Normative values of vocal acoustic parameters are readily available for the adult population but not much data are available for the pediatric population. Objectives: Providing a database for the normative vocal acoustic parameters in preschool and elementary school Egyptian children to lay out an objective model for the diagnosis and optimal treatment of childhood voice disorders. Methods: A total of 237 Egyptian children between the ages of 4 and 9 years from both genders were enrolled in the study. A Computer-assisted acoustic vocal analysis was done for all children. Results: Fundamental frequency values differed significantly according to gender with higher measures in girls. Mean values of the fundamental frequency were 258.57 Hz ± 39.69, jitter percentage 0.85% ± 0.67, shimmer percentage 1.59% ± 1.03, fundamental tremors 1.64HZ ± 0.421, maximum phonation time 4.81sec. ± 1.73 and harmonic/noise ratio were 15.34 dB ± 10.65. A decline of measures of the fundamental frequency and jitter percentage with increasing age and an increase of values of harmonic/noise ratio and shimmer percentage in children residing in rural areas are observed. Conclusion: This study provides an insight into the normative values of vocal acoustic parameters in preschool and elementary school Egyptian children. Comparable to other studies, both fundamental frequency and jitter percentage values show a decline with increasing age. Also, fundamental frequency values differ significantly among genders. The difference in socioeconomic environment seems to influence some of the vocal acoustic parameters in children.
Author Related Publications
Ilham Magdy Hassan Kadry, "Comparative study between efficacy of voice therapy alone and voice therapy and psychiatric therapy in management of non organic voice disorders", مجله عين شمس الطبية, 2013
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Ilham Magdy Hassan Kadry, "Linear Measurements of Vocal Folds and Laryngeal Dimensions in Freshly Excised Human Larynges", Accepted for publication, 2018
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Ilham Magdy Hassan Kadry, "Linear Measurements of Vocal Folds and Laryngeal Dimensions in Freshly Excised Human Larynges", Accepted for publication, 2018
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Ilham Magdy Hassan Kadry, "Voice and Swallowing Outcomes after Hyoid Suspension Surgery in Patients with Obstructive Sleep Apnea", karger, 2018
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Ilham Magdy Hassan Kadry, "Phonological awareness and reading abilities in elementary-school students with severe-to-profound prelingual hearing loss and unilateral cochlear implants الوعي الصوتي وقدرات القراءة لدى طلاب المدارس الابتدائية الصم الذين يعانون من ضعف شديد إلى عميق فى السمع السابق لإكتساب اللغة من زارعى القوقعة باحدى الاذنين", The Egyptian Journal of Otolaryngolog, 2022
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Department Related Publications
Walid Mohamed Ibrahim Noah, "DIAGNOSIS OF MIDDLE EAR DISORDERS USING WIDEBAND ENERGY REFLECTANCE IN ADULTD", ARAB ADVANCED ACADEMY OF AUDIO-VESTIB, 2014
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Walid Mohamed Ibrahim Noah, "LINEAR HIGH FREQUENCY TRANSPOSION FOR PATIENTS WITH SEVERE TO PROFOUND HIGH FREQUENCY HEARING LOSS", EJO, 2009
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Ola Abdallah Ibrahim, "Vestibular Rehabilitation Therapy Outcomes in Patients With Persistent Postural-Perceptual Dizziness", Sage journal, 2019
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Sameh Mohamed Hosny Ismaiel, "Changes in Serum Leptin Level After Multilevel Surgery in Patients with Obstructive Sleep Apnea", wiley - blackwell on behalf of the tiological society, 2021
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