Paediatric ENT Flashcards
Screening for deafness in children
all infants screened shortly after birth with automated ABR (auditory brainstem response)
what type of deafness is most common in permanent deafness
sensorineural
prevalence of deafness in children
1/1000 born w moderate or worse hearding imparied
1/1000 deveopo moderate hearing impairment by 8yrs
how are acquired causes of deafness classified
prenatal
perinatal
postnatal
causes of prenatal deafenss 3 examples
toxoplasma
rubella
CMV
causes of perinatal deafness 3
SCBU babies (special care baby unit)
-from things like
-jaundice (kernicteus)
-hypoxia
-aminoglycoside ABx
causes of post natal deafness 3
menigitis -HEARING TEST SHOULD BE ARRANGED AT DISCHARGE
head injury
ototoxic drugs
examples of ototoxic drugs 3
cisplatin
aminoglycosides -gentamicin, amikacin, tobramycin, neomycin, and streptomycin
furosemide
how are congenital causes of deafness split
syndromic 1/3
nonsyndromic - 2/3
syndromic causes of congenital deafness 5
Ushers
Pendreds
Brachio-oto-renal
Jervell & Lange-Nielsen
sticklers
nonsyndormic cuases of congenital deafness 1
any condition where deafness is an isolated feature
-most are autosomal receessive due to mutation in connexin 26 gap junction protein gene
treatement options for hearing rehabilitation
moderate
-bilateral,digital, behind the ear hearing aids
sever-profound hearing impairment
-cochlear implantation (direct stimulation of tehcochlear nerve)
-produces excellent hearing and speech
another name for otitis media with effusion
glue ear
cause of otitis media with effusion
mucus in the middle ear space
what can cause otitis media with effusion 2
effusion in middle ear v common after a URTI or an episode of otitis media