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Stapedectomy is a surgical procedure in which the stapes bone is removed from the middle ear and replaced with a prosthesis. If the stapes footplate is fixed in position, rather than being normally mobile, the result is a conductive hearing loss .
Otosclerosis is a condition of the middle ear where portions of the dense enchondral layer of the bony labyrinth remodel into one or more lesions of irregularly-laid spongy bone. As the lesions reach the stapes the bone is resorbed , then hardened ( sclerotized ), which limits its movement and results in hearing loss , tinnitus , vertigo or a ...
John Joseph Shea Jr. (September 4, 1924 – February 8, 2015) was an American medical doctor, professor and surgeon. [1]He attended Christian Brothers High School, Memphis, Tennessee, the University of Notre Dame and Harvard Medical School.
Otology also includes surgical treatment of conductive hearing loss, such as stapedectomy surgery for otosclerosis. Neurotology (a related field of medicine and subspecialty of otolaryngology ) is the study of diseases of the inner ear, which can lead to hearing and balance disorders.
Stapedectomy and stapedotomy for otosclerosis - replacement or reshaping of the stapes bone of the middle ear can restore hearing in cases of conductive hearing loss; Surgical and implantable hearing aids are an alternative to conventional external hearing aids.
If one ear has normal thresholds while the other has sensorineural hearing loss (SNHL), diplacusis may be present, as much as 15–20% (for example 200 Hz one ear => 240 Hz in the other). [citation needed] The pitch may be difficult to match because the SNHL ear hears the sound "fuzzy". Bilateral SNHL gives less diplacusis, but pitch ...
The surgery takes 1 ⁄ 2 to 1 hour if done through the ear canal and 1 + 1 ⁄ 2 to 2 hours if an incision is needed. It is done under local or general anesthesia . It is done on an inpatient or day case basis and is successful 85–90% of the time.
Since the inner ear is not directly accessible to instruments, identification is by patient report of the symptoms and audiometric testing. Of those who present to their doctor with sensorineural hearing loss, 90% report having diminished hearing, 57% report having a plugged feeling in ear, and 49% report having ringing in ear ().