What is the number one birth defect in infants
hearing loss
how many infants are born with hearing loss
1-3 out of 1000
What is the Universal Newborn Hearing Screening
application of rapid and simple audiologic screening to all newborn infants prior to them leaving the hospital. the goal is identifying those babies who require further diagnostic assessment.
what is early hearing detection and intervention act
legislation that mandates federal funding for states to develop infant hearing screening an intervention programs
when was the early hearing detection and intervention act singed into US federal law
1999
Prior to UNHS and EHDI, how old were children who had hearing loss identified
2 years or older
Prior to UNHS and EHDI, who was screened in the hospital
NICU babies. craniofacial abnormalities
what started support for UNHS
research showed that if hearing loss is identified before a child reaches the age of 6 months, and the child receives intervention, then that child will achieve language scores that are comparable to children who have normal hearing by the age of 3
What percentage of babies born in the US are screened before going home from the hospital
95%
what is screening
a pass/refer system
what happens if there is suspected hearing loss during an infant screening
baby is referred for a complete audiologic work up
what are the screening thresholds and frequencies for infants
30-40dB HL at frequencies 500.1000,2000,4000
What are some consequences of screening
funding, time, distress
What are the two methods used for universal newborn screenings
otoacoustic emissions and automated auditory brainstem response
what is the difference between abr and aabr
automated can be administered by a technician or nurse
what does it mean to have a false positive infant hearing screening score
did not pass but actually does have normal hearing
what does it mean to have a false negative infant hearing screening score
passed but actually does have a hearing loss
what is the false positive rate
2-7%
what are some reasons for false positives
middle ear effusion
neuromaturational delay
false positives can unnecessarily cause parental worry and anxiety
even is a baby passes their newborn hearing screening, what should parents do
be alerted to watch for telltale signs of hearing loss
what is the false negative rate
0%
what test is the gold standard if an infant fails the newborn hearing screening and needs diagnostic evaluation
ABR
what percentage of children between ages 12-19 years have measurable hearing loss in at least one ear
15%
Joint Committee on Infant loss developed what guideline in 2007
1-3-6
