the university of the witwatersrand the centre for deaf ... · the university of the witwatersrand....
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Dr Claudine Störbeck and Selvarani Moodley (MA Audiology)
The University of the Witwatersrand
The Centre for Deaf Studies
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Source: Friedland, Swanepoel and Storbeck, 2008
Silent epidemic of developing countries
Silent …
invisible nature non-life threateningaffected individuals “silent”
Epidemic …
4-6/1000 bilateral hearing loss (>40 dBHL)Significantly including mild and unilateral HLAs high as 2-6% in high risk group
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Sources: Friedland, Swanepoel and Storbeck, 2008UNICEF, 2008Olusanya and Newton, 2007Smith et al. 2005
120 million annual births in developing world
718,000 - permanent bilateral HL (25% from SSA)
Everyday 1,972 born with HL in developing world vs. 146 per day in developed countries (>90% born in developing world)
Annually 4,408 –6,612 babies born with permanent bilateral HL in South Africa
1,135,000 babies were born in 2008 in SA (0.8% of world’s babies)
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Everyday 17 babies born with some degree of hearing loss in SA (>0.5% of daily births), therefore almost 6 babies in 1,000
More infants suffer hearing loss due to meningitis, ototoxic medication, prematurity,
jaundice, etc.
94% of children with hearing loss are born to hearing families… most of these families have never met a person with hearing loss
The primary impact of hearing loss is on language development, which in turn affects cognitive and socio-emotional development
Newborn hearing screening and referral to early intervention services not mandated
Minimal government funding for the EHDI sector
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Early Hearing Detection & Intervention
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Child
NursePhysician
Audiologist/ ENT
Social Worker
Early Interventionists
OTPTSLI
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Family
Child
NursePhysician
Audiologist/ENT
Social Worker
Early Interventionists
OTPTSLI
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Birth Hearing
Screening(OAE)
Pass
Refer
Monitoring of hearing and communication development•6 monthly hearing screen if risk factors present•Annual hearing tests if no risk factors
*Tracking andfollow-up ofappointments
2nd screen
Pass Refer
Diagnostic Testing *•ABR•Behavioural•Tympanometry and reflexes
Management•Amplification•Aural rehabilitation•Family-centred, home based Early Intervention
EHDI DATABASE
Appointment for rescreen
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No policy for early hearing screeningNo universal newborn hearing screening –late age of identification =reduced effectiveness of early interventionLack of understanding of financial impact of unidentified hearing loss / burden of diseaseLack of a national database90% of all children with hearing loss have no access to early identification and early intervention services
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September 2006
HI HOPES is born and starts supporting the first family
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Partnering with families
Weekly home-based visits (+/- 1 hour)
Information and empowerment (informed choice)
Unbiased
Active involvement in decision-making process
Close collaboration with team (multidisciplinary approach )
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Gauteng
KZNWestern Cape
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PARENT ADVISOR
Understands ad Assesses Child Needs
Understands Family and Family Concerns/Strengths
Offers the Family Information, Support, and Encouragement
DEAF MENTOR
Interacts with child
Interacts with parents
Teaches about Deaf Culture/ be a role model
Copyright SKI-HI Institute, 2004
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Home visits make it possible to reach isolated families
Ideal for learning firsthand about the conditions the family faces day after day
Learn about family structure, roles, and interrelationships
Makes early intervention accessible to all
Family doesn’t have to dress up, get organized, drive to get to the appointment (especially if no transportation)
Copyright SKI-HI Institute, 2004
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SKI HI Language Development Scale (LDS)
Chronological vs Language AgeExpressive LangReceptive Lang
Quarterly
Normed for deaf infants
Either modality
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Improvement of 1.4 months in RECEPTIVE language and 1.1 months in EXPRESSIVE language for each month, however for children where intervention begins before 6 months of age there is an improvement of 1.5 months in receptive language and 1.2 months in expressive language.
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Mentors- in home quality assurance- PA support and development
Research- interview professionals- interview parents (service recipients)- longitudinal tracking of children’s
development
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Relationships with members of the family
ParentsSiblingsExtended family
Communication Language DevelopmentOverall development
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AwarenessInformedInclusiveUndiscriminatory
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Create awareness of urgency for Early InterventionProfessionalise Early InterventionEstablish National Benchmarks for E.I.Longitudinal ResearchNational StatisticsEtc etc
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0
50
100
150
200
250
3248
134
188
237
Number of Families
Year 1
Year 2
Year 3
Year 4
Year 5
178 (237 projected)
179% growth
40% Growth
26% Growth641% Growth
from year 1 to year 5
50% Growth
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0%
20%
40%
60%
80%
100%
Black
White
Mixed Race
Indian
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30%
70%
Yes
No
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0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
70.0%
80.0%
Public Hospital
Private Audio ENT/ Paediatrician
Word of Mouth
Media School Welfare Agency
University Audiology
Dept
Gauteng
Natal
WC
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83%
17%
Public
Private
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0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
Public Private
86%
14%
67%
33%
87%
13%
Gauteng
Natal
Western Cape
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0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Gauteng Natal WC
House
RDP housing
Flat
Room
Informal Settlement
Work Quarters
Orphanage
Foster Care
Xenophobic camp
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0%
10%
20%
30%
40%
50%
Gauteng Natal Western Cape
Afrikaans
English
Bilingual (English/ Afrikaans)Zulu
Sepedi
Tshangaan
Sign Language
Setswana
Tsonga
Sesotho
Ndebele
Xhosa
Venda
Shona
n=402
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1.0% 4.0%
94.5%
0.5%
BAHA
CI
Hearing Aids
Refused Amplification
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0%
10%
20%
30%
40%
50%
60%
41%
59%
Sign Language
Spoken Language
22% Oral
37% Total Communication
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Families are supported and empoweredThe aim of ‘Typical Development’ is being achievedChildren are school ready when transitioning into Education SystemEquipping & Empowering Local communities (sustainability)
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Employing a large workforce (demographically representative)Democratisation in processInvestment in early intervention –financial savings over the lifetime of the individualCreating awareness of paediatric hearing loss and leading the way in policy development
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