Breneman et al. (2012) |
J Am Acad Audiol (United States). 70 children (35 ANSD and 35
sensorineural, both CI users), Mean period of CI use: five years |
98% |
98% |
50–100% |
58–63% |
83% |
77% |
– |
– |
Teagle et al. (2010) |
Ear Hear (United States). 140 ANSD/CI children. |
Pre-CI values: 5–63%. Post-CI values: 48% (1 year of CI use) to 98% (3
years of CI use). |
– |
– |
– |
– |
– |
– |
– |
Kim et al. (2011) |
Acta Otolaryngol. (South Korea). Six children with ANSD and four with
sensorineural hearing loss, both CI users. |
– |
– |
– |
– |
4 years of CI use – 95% 5 years of CI use – 95% 6 years
of CI use – 95% |
4 years of CI use – 73% 5 years of CI use – 70% 6 years
of CI use – 80% |
– |
– |
Schramm et al. (2010) |
Cochlear Implants Int. (Canada). 16 children with ANSD and 89 with
sensorineural hearing loss, both CI users. Mean time of CI use: 1 year 6
months |
Pre-CI values: 2.5–15% Post-CI values: 75–85% |
Pre-CI values: 2.5–15% Post-CI values: 75–85% |
66–75% |
66–75% |
– |
– |
76 dB in a quiet condition |
78.9 dB in a quiet condition |
Chisholm et al. (2010) |
Cochlear Implants Int. (Australia). 5 ANSD/CI children. |
Pre-CI values: 6.25–18.75% Post-CI values: 37.5–87.5% (1 year of
use); 57.5–97.5% (2 years of CI use); 82.5–97.5% (5 years of CI
use). |
– |
75% (2 years of CI use) |
– |
– |
– |
– |
– |
Rance et al. (2008) |
Otol Neurotol. (Australia). Seven children with ANSD, uni-
(n = 4) or bilateral (n = 3) CI
users; ten children with bilateral ANSD using HA; three ANSD/CI children
and contralateral HA users; 37 children with sensorineural hearing loss
using CI. |
– |
– |
– |
– |
HA users: 24.8–55.1%. IC users: 20.6–59.6%. Both with 5 years of CI
use |
53–83.1% 5 years of CI use |
– |
– |
Peterson et al. (2003) |
J. Am. Acad. Audiol. (United States). Ten children with ANSD; ten
children with sensorineural hearing loss, both CI users. |
Pre-CI: 0–50% Post-CI: 70% (1 year of CI use)–100% (1 year 6
months of CI use) |
Pre-CI: 0–55% Post-CI: 65% (1 year of CI use) to 100% (2 years
of CI use) |
83% (3 years of CI use) to 100% (1 year of CI use) Sentence
understanding 70–100% (3 years of CI use) |
83% (2 years of CI use) to 100% (1 year of CI use) Sentence
understanding 50–90% (2 years of CI use) |
100% (1 year of CI use) |
96–100% (2 years of CI use) |
Result of only one child (3 years of CI use). Quiet condition 80 dB
Noise condition (20 S/R) 45 dB |
Result of only one child (5 years of CI use) Quiet condition 80
dB. Not performed in noise condition |
Jeong et al. (2007) |
Acta Otolaryngol Suppl. (South Korea). Nine children with ANSD, 12
children with sensorineural hearing loss, both CI users |
– |
– |
– |
– |
Sentence recognition 5% (6 months of CI use) to 100% (3 years of CI
use) |
Sentence recognition 20% (6 months of CI use) to 90% (3 years of CI
use) |
– |
– |
Pelosi et al. (2012) |
Otology & Neurotology (United States). 13 ANSD/CI children (Seven
bilateral and six unilateral CI users). Mean time of CI use: 3 years 6
months |
Pre-CI: 13–21% Post-CI: 45–100% |
– |
– |
– |
– |
– |
67 dB–98 dB Noise condition. |
– |
Cardon et al. (2013) |
International Journal of Audiology (United States). 24 children with
ANSD, 11 children with sensorineural hearing loss, both CI users. Mean
time of CI use: 3 years 6 months |
Pre-CI: 13–21% Post-CI: 45–100% |
Pre-CI: 13–21% Post-CI: 100% |
– |
– |
– |
– |
– |
– |
Pelosi et al. (2013) |
Otolaryngology – Head and Neck Surgery (United States). 16 children with
ANSD/unilateral CI users, and ten children with ANSD/using bilateral
HA. |
Pre-CI: 13% Post-CI: 0–65% (4 years 3 months of CI use)
Post-HA values: 0–72% (3 years 6 months of CI use) |
– |
– |
– |
– |
– |
CI users: 63–98 dB Noise condition (4 years 3 months of
use) HA users: 86–98 dB Noise condition (3 years
6 months) |
– |
Budenz et al. (2013) |
Otol Neurotol (United States). 17 children with ANSD and 17 children
with sensorineural hearing loss, both CI users. Mean time of CI use:
seven years |
Pre-CI values: mean 0% Post-CI values: 92% |
Pre-CI values: mean 3% Post-CI values: 77% |
> 25% Sentence understanding 25% |
> 25% Sentence understanding 25% |
– |
– |
– |
– |
Jeong et al. (2013) |
Acta Otolaryngologica (South Korea). 15 children with ANSD/CI. Mean time
of CI use: 5 years 6 months |
Pre-CI values: 2.5–10%. Post-CI values: 100% |
– |
– |
– |
– |
– |
– |
– |
Alvarenga et al. (2013) |
Inter J of Pedia Otorhi (Brazil). 14 ANSD/CI children. |
– |
– |
73–100% (3 years 5 months of use) |
– |
– |
– |
– |
– |
Carvalho et al. (2011) |
Braz J Otorhinolaryngol (Brasil). 18 ANSD/CI children. Mean time of CI
use: 3 years 5 months |
– |
– |
Speech recognition in closed set 61% Speech recognition in open
set 33% |
Speech recognition in closed set 71% Speech recognition in open
set 29% |
– |
– |
– |
– |
Fernandes (2013) |
Dissertation (Brazil). Ten children with sensorineural hearing loss and
15 children with ANSD, both groups CI users. Mean time of CI use: seven
years |
– |
– |
– |
– |
– |
– |
Results of 1st evaluation: Quiet condition 60.7 dB Noise
condition (S/R) 7.1 dB Results of 2nd Evaluation: quiet condition
57.4 dB Noise condition (S/R) 2.1 dB |
Results of 1st evaluation: quiet condition 57.1 dB Noise
condition (S/R) 7.9 dB Results of 2nd evaluation: quiet condition
54.1 dB Noise condition (S/R) 2.8 dB |
Yamaguti (2013) |
Dissertation (Brazil). 48 ANSD/CI children and 12 children with
sensorineural hearing loss |
Pre-CI values: 21.8% Post-CI values: 96.7% (4 years 2
months of CI use) |
– |
– |
– |
– |
– |
Quiet condition 58.2 dB Noise condition (S/R) 7.6 dB (6
years of use) Results of 14 children with ANSD |
Quiet condition 58.4 dB Noise condition (S/R) 7.7 dB (6
years of use) Results of 12 children sensorineural hearing
loss |