Single-Sided Deafness in the Medicare Population

Conditions de participation

• Sexe:

  ALL

• Âges admissibles:

  65 and up

Critères de participation

Inclusion Criteria:

* 65 years of age or older at the time of implantation
* Unilateral profound hearing loss, as defined by a pure-tone average (500, 1000, 2000, and 4000 Hz) of 90 dB or greater in the ear to be implanted
* Sensorineural hearing loss in the ear to be implanted, as defined by an air-bone gap less than or equal to 10 dB at two or more frequencies out of 500, 1000, 2000, and 4000 Hz
* Normal or near-normal hearing in the non-implanted ear, as defined by a pure-tone average (500, 1000, 2000, and 4000 Hz) of 30 dB or less
* Word recognition in the ear to be implanted of 5% or less on CNC word score in quiet
* Previous experience with an appropriately-fit CROS, BI-CROS, bone conduction, or traditional hearing aid, as deemed appropriate by investigator
* Fluent in English

Exclusion Criteria:

* Duration of profound hearing loss of 10 years or more
* Sudden onset of hearing loss within six months of implantation
* Evidence of non-functional cochlear nerve or other retrocochlear hearing loss
* Evidence of severe cochlear malformation (i.e., common cavity or ossification)
* External or middle ear infection
* Suspected cognitive concern
* Other medical contraindication for surgery or anesthesia