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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.
The objective of the surgery is to provide a platform of sort to support the regrowth and healing of the tympanic membrane in the two weeks post-surgery period. There are two ways of doing the surgery: Traditional tympanoplasty, usually using the microscope and performed through a 10 cm incision behind the ear lobe.
[1] [2] [3] When myringoplasty is combined with removal of scar tissue, it is called tympanoplasty. The operation is performed with the patient supine and face turned to one side. The graft material most commonly used for the surgery is temporalis fascia. The tragal cartilage [1] and tragal perichondrium are also used as the graft by some surgeons.
There are two types of PMEIs: tympanoplasty implants and stapes implants. Tympanoplasty implants (also known as PORPs or TORPs) are suitable for patients with a mobile stapes footplate, ie. a stapes footplate that moves in the normal way. Either a partial or a total tympanoplasty implant can be used, depending on the condition of the stapes.
A myringotomy is a surgical procedure in which an incision is created in the eardrum (tympanic membrane) to relieve pressure caused by excessive buildup of fluid, or to drain pus from the middle ear.
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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.