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Prevalence of paediatric chronic suppurative otitis media and hearing impairment in rural Malawi: A cross-sectional survey.

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Hunt, Luke, Mulwafu, Wakisa, Knott, Victoria, Ndamala, Chifundo, Naunje, Andrew W, Dewhurst, Sam, Hall, Andrew and Mortimer, Kevin ORCID: https://orcid.org/0000-0002-8118-8871 (2017) 'Prevalence of paediatric chronic suppurative otitis media and hearing impairment in rural Malawi: A cross-sectional survey.'. PLoS ONE, Vol 12, Issue 12, e0188950.

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Abstract

To estimate the prevalence of World Health Organization-defined chronic suppurative otitis media (CSOM) and mild hearing impairment in a population representative sample of school-entry age children in rural Malawi. A secondary objective was to explore factors associated with CSOM in this population. We performed a community-based cross-sectional study of children aged 4-6 years in Chikhwawa District, Southern Malawi, utilising a village-level cluster design. Participants underwent a structured clinical assessment, including video-otoscopy and screening audiometry. Diagnoses were made remotely by two otolaryngologists who independently reviewed clinical data and images collected in the field. Hearing impairment was classified as failure to hear a pure tone of 25dB or greater at 1, 2 or 4kHz. We recruited 281 children across 10 clusters. The prevalence estimates of CSOM, unilateral hearing impairment and bilateral hearing impairment were 5.4% (95%CI 2.2-8.6), 24.5% (95%CI 16.3-30.0), and 12.5% (95%CI 6.2-16.9) respectively. Middle ear disease was seen in 46.9% of children with hearing impairment. A trend towards increased risk of CSOM was observed with sleeping in a house with >2 other children. We found a high burden of middle ear disease and preventable hearing impairment in our sample of school-entry age children in rural Malawi. There are important public health implications of these findings as CSOM and hearing impairment can affect educational outcomes, and may impact subsequent development. The identification and management of middle ear disease and hearing impairment represent major unmet needs in this population.

Item Type: Article
Subjects: WA Public Health > WA 30 Socioeconomic factors in public health (General)
WS Pediatrics > WS 100 General works
WS Pediatrics > By Age Groups > WS 440 Preschool child
WV Otolaryngology > WV 20 Research (General)
WV Otolaryngology > Ear > WV 200 General works
Faculty: Department: Clinical Sciences & International Health > Clinical Sciences Department
Digital Object Identifer (DOI): https://doi.org/10.1371/journal.pone.0188950
SWORD Depositor: JISC Pubrouter
Depositing User: Stacy Murtagh
Date Deposited: 10 Jan 2018 10:37
Last Modified: 09 Feb 2018 16:36
URI: https://archive.lstmed.ac.uk/id/eprint/8049

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