Table 1.

Clinical History of the Implanted Patients.

No.	Case/Side	Sex	Age (yr.)	Diagnosis	C.I. usage (yr.)	Device	Electrode type	Electrode shape	C.I. WRS (%)
1	1 L	F	82	PSNHL, SSNHL	8	AB Clarion CII	HF I	Perimodiolar	44(CNC)
2	2 L	F	93	PSNHL	8	AB HR90K	HF 1J	Perimodiolar	NA
3	3 L	F	89	PSNHL	9	AB Clarion CII	HF I	Perimodiolar	10(CNC)
4	4 R	F	94	PSNHL	12	AB Clarion CII	HF II w/p	Perimodiolar	10(CNC)
5	5 R	M	89	PSNHL	3	AB HR90K	HF Helix	Perimodiolar	74(CNC)
6	6 R	M	64	SSNHL	2	AB HR90K	HF 1J	Perimodiolar	60(CNC)
7	6 L	M	64	SSNHL	2	AB HR90K	HF 1J	Perimodiolar	50(CNC)
8	7 R	M	80	Genetic	24	Nucleus 22	Banded	Straight	46(CNC)
9	8 R	F	84	PSNHL	13	Nucleus 22	Banded	Straight	34(NU6)
10	9 R	M	83	Meniere’s sd., PSNHL	12	Nucleus 24	Banded	Straight	57(CNC)
11	10 L	M	76	PSNHL	18	Nucleus 22	Banded	Straight	0(NU6)
12	11 L	M	88	Acoustic trauma	11	Nucleus 22	Banded	Straight	NA

No, number; L, left; R, right; M, male; F, female; yr., year; PSNHL, progressive sensorineural hearing loss.

SSNHL, sudden sensorineural hearing loss; sd, syndrome; AB, Advanced Bionics; HR, Hi Res.

HF, HiFocus; w/p, with positioner; NA, not available; C.I., cochlear implant.

WRS, word recognition score (monosyllabic).