Table 4.
Cochlear implant outcomes
| Publication | Cases | Outcomes |
|---|---|---|
| Gallo-Terán et al. (2006) | 1 | Appropriate language development at 26 months of age; does not require lip-reading |
| Iwasa et al. (2022) | 36 | ≥ 2 years post-CI, for 6% CAP = 7, 79% CAP = 6, 9% CAP = 5, 3% CAP = 4, 3% CAP = 3; 47% had 20–29 dB hearing threshold, 42% had 30–39 dB threshold, 11% had 40–49 dB threshold |
| Kim et al. (2018) | 10 | Mean pre-CI CAP = 0.2; 3 months post-CI CAP = 2.2 (n = 10); 12 months post-CI CAP = 4.6 (n = 7); 24 months post-CI CAP = 5.4 (n = 5); 36 months post-CI CAP = 7 (n = 2) |
| Lee et al. (2022) | 10 | At mean of 24.1 months post-CI, mean CAP = 6.2 |
| Loundon et al. (2005) | 1 | Pre-CI 75 dB hearing threshold, 4/40 MAIS; 12 months post-CI, 45 dB hearing threshold, 31/40 MAIS |
| Rodríguez-Ballesteros et al. (2003) | 7 | All “considered successful in terms of sound detection and communication skills” |
| Runge et al. (2013) | 2 | 3 years post-CI on LNT Easy spoken word score, one patient had 80%, one patient had 44% |
| Rouillon et al. (2006) | 2 | One patient 18 months post-CI had 45 dB hearing threshold and 31/40 MAIS; one patient 3 years post-CI had 37 dB hearing threshold and 40/40 MAIS |
| Santarelli et al. (2015) | 6 | 1–1.5 years post-CI, mean hearing threshold was 25–30 dB with 90–100% disyllable recognition |
| Santarelli et al. (2021) | 5 | Authors report improvements in speech perception for all 5 patients |
| Tang et al. (2017) | 2 | Both patients report improvement in speech perception and pronunciation |
| Varga et al. (2006) | 2 | Both patients report benefit |
| Wu et al. (2018) | 10 | Pre-op, median CAP = 1.5; 1 year post-CI CAP = 5; 5 year post-CI CAP = 6 |
| Wu et al. (2020) | 1 | Authors describe outcome as successful; 3 years post-CI, enrolled in regular school |
| Zadro et al. (2010) | 3 | Authors report improvement for all patients |
| Zhang et al. (2013) | 1 | 3 years post-CI, 25 dB hearing thresholds with excellent speech and language recognition, and is enrolled in regular school |
| Zhang et al. (2016a) | 1 | Temperature-sensitive case; 2 years post-CI, 93% open-set word recognition and 98% open-set sentence recognition |
The outcomes of cochlear implants reported in 100 individuals across 17 publications are summarized here. One publication, Lee et al. (2022), did not contain patient-specific data. Nearly all reported cochlear implantations were considered successful
CI cochlear implant, CAP Categories of Auditory Performance, MAIS Meaningful Auditory Integration Scale, LNT Lexical Neighborhood Test