TABLE 1.
Subject demographics, device details, and any medical or procedural issues
| Subject | Gender | Ear | Age at implantation (mo) | Age at first visit (mo) | Implant | Strategy | Pulse rate per channel (pulses/sec) | Pulse width (μsec) | Stimulating electrode | Special issues |
|---|---|---|---|---|---|---|---|---|---|---|
| s1 | F | L | 13 | 26 | Cochlear Freedom™ | ACE (RE) | 2400, 1800* | 12, 20* | E15,† E8,† E20† | 28 wk premature; multiple health problems at birth |
| s2 | M | L | 16 | 25 | AB HiRes 90K® | HiRes-P | 3480 | 18 | E6,† E16† | Malformed cochleae |
| s3 | M | R | 12 | 14 | Freedom | ACE (RE) | 1800 | 20 | E15, E8† | — |
| s4 | F | L | 14 | 21 | HiRes 90K | HiRes-P | 5156 | 10.8 | E7,† E3 | Microcephaly |
| s5 | M | R | 18 | 32 | Freedom | ACE (RE) | 1800 | 20 | E16,† E11 | Used OPP + VROCA |
| s6 | M | B | 10 | 14 | MED-EL PulsarCI100 | CIS+ | 1515.2 | 24.2 | Not tested | Implant-in-a-box unavailable |
| s7 | F | R | 12 | 16 | Freedom | ACE (RE) | 1800 | 20 | Not tested | See results |
| s8 | M | R | 9 | 15 | Freedom | ACE | 900 | 25 | E16 | — |
| s9 | M | B/R‡ | 14 | 20 | Freedom | ACE (RE) | 2400 | 12 | E16 | 32 wk premature |
| s10 | M | L | 12 | 15 | Freedom | ACE | 900 | 25 | E16 | — |
| s11 | M | R | 9 | 11 | HiRes 90K | HiRes-P | 5156 | 11.7 | E7 | — |
| s12 | M | L | 20 | 27 | HiRes 90K | HiRes-P w/Fidelity 120 | 3712 | 18 | E7 | Trisomy 9p |
*
Subject was remapped across multiple visits.
†
Did not see any consistent response to specified electrode(s).
‡
s9 is a bilateral recipient; only the R ear was tested.