Brain Anchoring Hearing Aid (BAHA) – Unilateral sensorineural hearing loss


The bone-conduction hearing aid is a satisfactory alternative for air-conduction ear hearing aid. BAHA hearing aid channelizes sound vibrations through the skull bone via a skin-penetrating titanium implant, and then is further transmitted to the cochlea, bypassing the middle ear. This new hearing aid is efficient in patients with a conductive or mixed hearing loss caused by a chronic infection of the middle or outer ear. Hearing loss from congenital ear problems, chronic suppurative otitis media, and in some cases otosclerosis as a third treatment option in those who cannot or will not undergo stapedectomy. In some patients, hearing aid benefit is not necessarily improved hearing ability but relates to cosmetic or comfort improvements. Baha is used to help people with chronic ear infections, congenital external auditory canal atresia and single sided deafness who cannot benefit from conventional hearing aids. The BAHA-bone anchored hearing aid offers significant advantages to the traditional CROS hearing aid. The device is placed behind the ear leaving the canal open. It is worn under the hair and is not perceptible to others. It is held in place by a clip and directly integrated with the skull bone; there is no need for a head band and pressure against the skin of the head. With bone hearing aid there is no occlusion of the ear canal to aggravate infection. The BAHA is an FDA approved hearing aid for unilateral deafness, provides a completely unique benefit. Stereo hearing results in improved understanding of speech, especially in background noise and aids in the localization of sound.

Transtympanic dexamethasone – Sudden sensori neural hearing loss


Transtympanic Dexamethasone treatment is an effective method of treatment for sudden idiopathic sensori neural hearing loss. Direct injections of steroids into the inner ear, intratympanic steroid injections, are widely used for treatment of autoimmune inner-ear disease.

This has advantage over intravenously or orally administered drugs in that a good dosage of medicine is reached in to the inner ear without systemic complications.

A combination of transtympanic dexamethasone and high dose steroids are more likely to recover hearing than those treated with high dose steroids alone. Transtympanic steroids can be effectively used in persons who were unable to tolerate oral steroids. Dexamethasone has the longest half-life, and can be administered transtympanic ways in multiple doses. Single dose, with the placement of a grommet used to allow ongoing topical therapy is also used.

The common risks are pain, short-lasting vertigo, otitis media, and tympanic membrane perforation.
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