viernes, 18 de febrero de 2011

Hiperacusia: Sección tipos de hiperacusia: Hiperacusia en niños

Hyperacusis, sound annoyance, and loudness hypersensitivity in children

Claudia Barros Coelho1, Corresponding Author Contact Information, E-mail The Corresponding Author, Tanit Ganz Sanchez1 and Richard S. Tyler2
1 Department of Otolaryngology of the University of São Paulo Medical School, São Paulo, Brazil
2 Departments of Otolaryngology Head and Neck Surgery, and Speech Pathology and Audiology, University of Iowa, Iowa City, IA, USA


The objective of the present study was to estimate the prevalence of hyperacusisnext term among school-aged children.

We define previous termhyperacusisnext term as lowered loudness discomfort levels (LDL) associated with an abnormal annoyance to sounds.

We used questionnaires, interviews, and estimates of LDL in a study of 506 children from 5 to 12 years of age from 15 different schools.

Participants with LDL in the lowest 5th percentile were classified as having loudness hypersensitivity; an abnormal annoyance to sounds if they responded “yes” to the question “Are you bothered by any kind of sounds or noise?” could describe the sound, and were able to identify at least 10 sounds from a list of 20 as being annoying.

Phonophobia was defined as a fear of sound.

Children with LDL in the lowest 5th percentile typically had LDLs lower than 90 dB HL; 42% of the participants in this group were bothered by sounds and 3.2% had previous term

Fifty percent of the participants with previous termhyperacusisnext term had tinnitus and mild hearing loss in the left ear was an associated risk factor.

Phonophobia was experienced by 9% of the children. It is concluded that previous termhyperacusisnext term in children is prevalent, and should be considered in clinical examinations.

Keywords: previous termhyperacusisnext term; tinnitus; loudness annoyance; children; cross-over study

Corresponding Author Contact InformationCorresponding author. Tel.: +1 5551 3710 2610; Fax: +1 5551 3710 2610

Fuente :Progress in Brain Research
Volume 166, 2007, Pages 169-178
Tinnitus: Pathophysiology and Treatment

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