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Comparative Study
. 2015 Jul-Aug;81(4):431-8.
doi: 10.1016/j.bjorl.2014.08.014. Epub 2014 Sep 16.

Postural control assessment in students with normal hearing and sensorineural hearing loss

Renato de Souza Melo  1 , Andrea Lemos  2 , Carla Fabiana da Silva Toscano Macky  3 , Maria Cristina Falcão Raposo  4 , Karla Mônica Ferraz  2
Affiliations
Comparative Study

Postural control assessment in students with normal hearing and sensorineural hearing loss

Renato de Souza Melo et al. Braz J Otorhinolaryngol. 2015 Jul-Aug.

Abstract
in English, Portuguese

Introduction: Children with sensorineural hearing loss can present with instabilities in postural control, possibly as a consequence of hypoactivity of their vestibular system due to internal ear injury.

Objective: To assess postural control stability in students with normal hearing (i.e., listeners) and with sensorineural hearing loss, and to compare data between groups, considering gender and age.

Methods: This cross-sectional study evaluated the postural control of 96 students, 48 listeners and 48 with sensorineural hearing loss, aged between 7 and 18 years, of both genders, through the Balance Error Scoring Systems scale. This tool assesses postural control in two sensory conditions: stable surface and unstable surface. For statistical data analysis between groups, the Wilcoxon test for paired samples was used.

Results: Students with hearing loss showed more instability in postural control than those with normal hearing, with significant differences between groups (stable surface, unstable surface) (p<0.001).

Conclusions: Students with sensorineural hearing loss showed greater instability in the postural control compared to normal hearing students of the same gender and age.

Introdução: Crianças com perda auditiva sensorioneural podem apresentar instabilidades posturais, possivelmente provocadas pelo acometimento do sistema vestibular em virtude da lesão na orelha interna.

Objetivos: Avaliar a estabilidade do controle postural em escolares ouvintes e com perda auditiva sensorioneural e comparar os dados entre os grupos, considerando os gêneros e as faixas etárias.

Método: Estudo de corte transversal, que avaliou 96 escolares de ambos os gêneros na faixa etária entre 7-18 anos, sendo 48 ouvintes e 48 com perda auditiva sensorioneural. A avaliação do controle postural foi realizada por meio da Escala de BESS (Balance Error Scoring System) que avalia o controle postural em duas condições sensoriais: superfície estável (SE) e superfície instável (SI). Para a análise estatística dos dados entre os grupos, foi utilizado o teste de Wilcoxon de comparação de médias para amostras pareadas.

Resultados: Os escolares com perda auditiva demonstraram maior instabilidade no controle postural que os ouvintes, apontando diferenças significativas entre os grupos na SE e SI ((P < 0,001).

Conclusão: Os escolares com perda auditiva sensorioneural demonstraram maior instabilidade no controle postural, em comparação com os escolares ouvintes do mesmo gênero e faixa etária.

Keywords: Deafness; Desempenho psicomotor; Destreza motora; Doenças vestibulares; Motor skills; Postura; Posture; Psychomotor performance; Surdez; Vestibular diseases.

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