期刊
JOURNAL OF LARYNGOLOGY AND OTOLOGY
卷 130, 期 -, 页码 S11-S15出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0022215115003217
关键词
Tympanic Membrane; Otitis Media; Indigenous Population; Hearing
资金
- Commonwealth of Australia (Department of Health and Ageing) [REI 244/0708]
Objective: To determine whether the use of tissue spears to remove otorrhoea from Aboriginal children's ear canals improves hearing in the affected ear. Design: Case series study with controls. Methods: The study comprised 61 Aboriginal children from communities in the remote arid zone of South Australia who had otorrhoea obscuring the tympanic membrane in 1 or both ears. Eighty ears were treated with tissue spears, and hearing was assessed before and after treatment. Results: Forty-two children had unilateral and 19 had bilateral active disease. An additional 13 ears without otorrhoea served as controls. Improvement by 5 dB HL or greater in a four-frequency pure tone average occurred in 41.3 per cent of treated ears. Subsequently, blinded audiologists made qualitative judgements that a functional improvement in hearing had occurred after tissue spear use in 28.4 per cent of ears. Conclusion: Tissue spears can improve hearing thresholds in a significant proportion of children with otorrhoea. However, the duration of the effect is unknown.
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