HSC Section 8_April 2017

CI VERSUS ABI IN TOTAL DEAFNESS AFTER HEAD TRAUMA

Second treatment results (VI:BWR:SR:C) last follow up At 24 months

NA:90:90:NA

Telephone use

L: Anacoustic 6 active electrodes Head trauma in 2006 Progressive decrease of results until no use of ABI ABI right side 2001 (other department) After one year CI right side + SP 2008 (Gruppo Otologico) Head trauma L: No visible fracture 45% open-set SR 0:0:30:0 At 48 months

No telephone use Progressive decrease of At 24 months

results until no use of ABI After three months 20% open-set SR ABI right side 2000 (other department) 4A Head trauma L: Vestibule 100:55:69:70 CI left side + SP 2010 (Gruppo Otologico)

No use of ABI Telephone use with family

(CT scan) MRI First treatment First treatment results Second treatment

(Parma University 2009)

ABI left side in 2006 (other department) Free-field PTA 55 dB CI right side + SP

WR 35% with visual and auditory stimulation

side and partial obliteration on the left side

side and total obliteration on the left side

C 1B Profound bilateral SNHL R: Promontory Bilateral cochlear patency and bilateral intact cochlear nerves

TABLE 2. Summary of patients previously treated with uuditory brainstem implant in another center L: Vestibule Bilateral intact cochlear nerves Bilateral intact cochlear nerves Fracture location

A R: Anacoustic R: No visible fracture Cochlear patency on the right Post-meningitis deafness in childhood

Hearing status and etiology

Pt indicates patient; Fig, figure; CT, computed tomography; MRI, magnetic resonance imaging; VI, vowel identification; BWR, bisyllabic word recognition; SR, sentence recognition; C, common phrases comprehension; R, right; L, left; ABI, auditory brainstem implant; PTA, pure tone average; WR, word recognition; CI, cochlear implant; SP, subtotal petrosectomy; NA, not available; SNHL, sensorineural Hearing loss.

Pt Fig

B 4B Profound bilateral SNHL R: No visible fracture Cochlear patency on the right

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