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Harold A. Cheyne; Roger C. Nuss, MD; Robert E. Hillman, PhD

Arch Otolaryngol Head Neck Surg. 1999;125:1105-1108.

Objective  To establish normative electroglottography (EGG) data in the pediatric population.

Design  Clinical study with EGG data gathered on children with normal voices.

Setting  Major children's hospital and specialty eye and ear hospital.

Patients  A total of 164 children, 79 girls and 85 boys, aged 3 to 16 years.

Methods  Children with normal voices, determined through subjective evaluation and a voice use history questionnaire, underwent EGG recording. The EGG data were analyzed with commercially available software for fundamental frequency, jitter, open quotient, closing quotient, and opening quotient.

Results  Normative EGG data were established for children aged 3 to 16 years. Jitter, open quotient, closing quotient, and opening quotient were all found to have no significant dependence on age.

Conclusions  Children as young as 3 years can easily tolerate EGG, making it possible to establish this initial set of normative pediatric EGG data. These preliminary results suggest that EGG may have potential to assist clinicians with noninvasive documentation of vocal function in the pediatric population. This may be particularly important for tracking treatment-related changes in the vocal function of children who are difficult to examine endoscopically.

From the Speech and Hearing Sciences Graduate Program, Harvard–Massachusetts Institute of Technology, Division of Health Sciences and Technology (Mr Cheyne); Voice and Speech Laboratory, Massachusetts Eye and Ear Infirmary (Mr Cheyne and Dr Hillman); Department of Otology and Laryngology, Harvard Medical School (Drs Nuss and Hillman); Department of Otolaryngology– Head and Neck Surgery, Children's Hospital (Dr Nuss), and Graduate Program in Communication Sciences and Disorders, Massachusetts General Hospital Institute of Health Professions (Dr Hillman), Boston, Mass.

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