The global burden of disabling hearing impairment: a call to action

Olusanya, Bolajoko O.; Neumann, Katrin; Saunders, James E.

doi:10.2471/blt.13.128728

Cited by 446 publications

(411 citation statements)

References 38 publications

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“…5,[92][93][94] For example, the WHO recommends that the target price for an "affordable" hearing aid should be no more than 3% of the per capita of the user's country. This amount translates to a maximum of about US$180 for the eligible LMICs in this paper, and excludes the costs of ear …”

Section: Cost Of Intervention Servicesmentioning

confidence: 99%

“…[1][2][3] Available data from the World Health Organization (WHO) also suggest that approximately 7.5 million children below the age of 5 years have disabling ($30 dBHL) hearing impairment worldwide, the vast majority (at least 80%) of whom reside in LMICs. 4,5 Without timely and appropriate intervention, these children are faced with a lifetime of speech and language difficulties and overall developmental deficits that place severe limitations on their educational and vocational attainments. [6][7][8][9] In fact, untreated sensorineural hearing impairment in the first year of life has profound adverse consequences that transverse almost all developmental domains, manifesting in significant and often lifelong deficits in gross and fine motor skills, cognitive performance, speech and language development, and psychosocial development ( Figure 1).…”

Section: Introductionmentioning

confidence: 99%

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Screening for neonatal deafness in resource-poor countries: challenges and solutions

Olusanya¹

2015

RRN

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Newborn or neonatal hearing screening (NHS) is offered routinely in high-income countries as an essential and mandatory intervention for the early detection of infants with permanent congenital or early-onset hearing loss. However, NHS is rarely offered presently in the vast majority of low-and middle-income countries, which account for over 80% of the incidence and burden of permanent congenital or early-onset hearing loss worldwide. This review provides an overview of the current status of NHS programs in the most developmentally disadvantaged low-and middle-income countries with a per capita income of approximately US$6,000 or less against the backdrop of relevant recommendations for effective NHS programs. It highlights the key obstacles to the delivery and uptake of NHS services based on a review of available literature from the eligible countries. It proposes strategies for addressing these challenges and examines the crucial role of pediatricians and primary care physicians in providing leadership for the requisite multidisciplinary efforts to develop and promote effective NHS services in low-and middle-income countries.

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Section: Cost Of Intervention Servicesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Screening for neonatal deafness in resource-poor countries: challenges and solutions

Olusanya¹

2015

RRN

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“…Acquired hearing impairment often goes untreated, and has been described as a major public health problem (Olusanya et al, 2014) for its prevalence and major negative consequences. Further, uptake of rehabilitative interventions is low.…”

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confidence: 99%

Health behavior theories as predictors of hearing-aid uptake and outcomes

Saunders

Frederick

Silverman

et al. 2016

International Journal of Audiology

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Objective: To understand hearing behaviors of adults seeking help for the first time through the application of two models of health behavior change: the transtheoretical model and the health belief model. Design: The relationships between attitudes and beliefs were examined relative to hearing-aid uptake and outcomes six months later. Study sample: One hundred and sixty adults completed the University of Rhode Island change assessment (targeting the transtheoretical model), and the hearing beliefs questionnaire (targeting the health belief model), as well as the hearing handicap inventory and the psychosocial impact of hearing loss scale, within two months of an initial hearing assessment. Six months later, participants completed these same questionnaires, while those who had taken up hearing aids also completed hearing-aid outcome questionnaires. Results: (1) Attitudes and beliefs were associated with future hearing-aid uptake, and were effective at modeling this behavior; (2) attitudes and beliefs changed following behavior change, and (3) attitudes and beliefs following behavior change were better predictors of hearing-aid outcomes than pre-behavior change attitudes and beliefs. Conclusion: A counseling-based intervention targeting the attitudes and beliefs assessed by the transtheoretical model and the health belief model has the potential to increase uptake of hearing health care.

Funding Agencies|Oticon Foundation; VA Rehabilitation Research and Development Center of Excellence [C9230C]

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“…WHO estimates in 2012 that there are 360 million persons in the world with disabling hearing loss (5.3% of the world's population), 328 million (91%) are adults and 32 million (9%) are children [1]. The incidence of permanent congenital hearing loss or childhood hearing loss in low and middle-income countries can be three times higher than the incidence in the high-income region [2]. Among all types of hearing loss, sensorineural hearing loss is the most common.…”

Section: Introductionmentioning

confidence: 99%

“…60% of childhood hearing loss is due to preventable causes such as otitis media, recreational noise-induced hearing loss, ototoxicity, etc. Early detection and intervention is therefore extremely important in children, since the hearing loss will affect their ability to learn, and hinder their crucial language, speech and emotion development [2]. Learning tonal languages such as Thai, especially, can be greatly affected in children with hearing difficulty, as studied in [3].…”

Section: Introductionmentioning

confidence: 99%

A Tablet-Based Mobile Hearing Screening System for Preschoolers: Design and Validation Study (Preprint)

Yimtae¹,

Israsena²,

Thanawirattananit³

et al. 2017

Preprint

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Background: Hearing ability is important for children to develop speech and language skills as they grow. After a mandatory newborn hearing screening, group or mass screening of children at later age such as preschoolers are usually practiced. In order for this to be effective and accessible in low-resource countries such as Thailand, novel and innovative enabling tools that make use of pervasive mobile and smartphone technology should be considered. Objective: To develop a cost effective, tablet-based hearing screening system that can perform a rapid minimal speech recognition level test. Methods: An android-based screening application was developed. The screening protocol involved asking the child to pick pictures corresponding to the set of predefined words heard at different sound levels offered in a specifically designed sequence. For the application, the set of words were validated, with their corresponding speech power levels calibrated. 63 Children were screened for their hearing abilities using the application. Results in terms of sensitivity and specificity are compared to those measured using conventional audiometric equipment. Results: For screening purposes, the developed screening system was 100% sensitive (95% CI = 83.18% to 100%) for children with speech reception threshold (SRT) or pure tone average threshold > 25 dBHL, with a specificity 0f 79.44% (95% CI = 70.83% to

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The global burden of disabling hearing impairment: a call to action

Cited by 446 publications

References 38 publications

Screening for neonatal deafness in resource-poor countries: challenges and solutions

Screening for neonatal deafness in resource-poor countries: challenges and solutions

Health behavior theories as predictors of hearing-aid uptake and outcomes

A Tablet-Based Mobile Hearing Screening System for Preschoolers: Design and Validation Study (Preprint)

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