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TABLE 1.
Summary of patients primarily treated with cochlear implant in our centers
Patient Fig Hearing status and etiology
Fracture location
(computed tomographic scan) Magnetic resonance imaging
Treatment
Results (VI:BWR:SR:C)
Complications
(Last follow-up)
D 1C Bilateral anacoustic
R: Vestibule
Bilateral cochlear patency
and intacts cochlear nerves
Bilateral simultaneous CI + bilateral SP At 31 mo
a
No
Head trauma
L: Vestibule
100:85:100:100
E
1D Bilateral anacoustic
R: Vestibule and SCC
Bilateral cochlear patency
and intact cochlear nerves
CI left side + SP
At 60 mo
No
Head trauma with
rhinoliquorrhea and bilateral
sudden HL 15 days later
L: Vestibule and SCC
100:80:100:100
F
Profound bilateral SNHL
R: Extralabyrinthine (JF)
Bilateral cochlear patency
and intact cochlear nerves
CI right side + SP
At 48 mo
No
Head trauma
L: Extralabyrinthine (JF)
100:100:100:100
G 1A Bilateral anacoustic
R: C, V, SCC
Bilateral cochlear patency
and intact cochlear nerves
CI left side
At 156 mo
a
No
3 Head trauma
L: No visible fracture
Staged CI right side + SP
100:100:100:100
H
Bilateal profound SNHL
R: No visible fracture
Bilateral cochlear patency
and intact cochlear nerves
CI left side
At 58 mo
No
Head trauma
L: No visible fracture
94:40:74:65
I
Left anacoustic
R: JF, V and C
Bilateral cochlear patency
and intact cochlear nerves
CI left side + SP
Left CI (16 mo)
No
Right profound SNHL
L: JF, V and C
Staged CI right side + SP
100:60:77:60
Head trauma
Right CI (activation)
80:30:47:35
Both CIs (at right
CI activation)
90:35:76:80
J
2 Bilateral anacoustic
R: No visible fracture
NA
CI right side
At 68 mo
No
Head trauma
L: C, V, IAC
100:65:94:75
Partial cochlear obliteration
on the left side
K
Bilateral profound SNHL
R: C, V
NA
CI right side + SP
At 54 mo
No
After trauma progressive SNHL L: Vestibule
100:75:79:80
Pt indicates patient; Fig, figure; VI, vowel identification; BWR, bisyllabic word recognition; SR, sentence recognition; C, common phrases comprehension; R, right; L, left; CI, cochlear implant;
SP, subtotal petrosectomy; HL, hearing loss; SCC, semicircular canals; JF, jugular foramen; SNHL, sensorineural hearing loss; V, vestibule; C, cochlea; IAC, internal auditory canal; NA, not available.
a
With both CIs.
M. MEDINA ET AL.
Otology & Neurotology, Vol. 35, No. 2, 2014
198