What is otosclerosis?

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Experts tell us that otosclerosis, also known as ear spongiform disease, is the primary disease of bone labyrinth, named for the formation of localized new sponge like bone lesions in the bone labyrinth. The age of onset is 20-40 years old. Occasionally seen in children, more women than men, Europe and the United States higher incidence. According to foreign statistics, 50% of them have family history.

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The clinical manifestations of otosclerosis are as follows:

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1. The initial symptoms were progressive hearing loss, which was more than the onset of puberty. The hearing loss of female patients was aggravated during pregnancy or lactation, and there were also obvious hearing loss after trauma, emotional trauma and acute disease.

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2. 80% of patients have tinnitus. Tinnitus and hearing loss occur at the same time or in front of them. Tinnitus is intermittent or persistent.

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3. A small number of patients have vertigo, mostly due to lesions involving the semicircular canal and vestibule.

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4. The patients with widmanstruism were more significant than those with other conductive deafness. Once the lesion invaded the cochlea, widmanstruism disappeared.

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Experts describe how to treat otosclerosis

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1. Incision is the same as stapes shaking.

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2. Exposure of tympanum and stapes shaking.

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3. The distance between the long process of incus and the foot plate of stapes should be measured accurately by using the amputated foot plate as the basis for the length of piston type artificial stapes. Use a sharp triangular needle to enter through the stirrup arch. After touching the foot plate, rotate it gently. After passing through the foot plate, use a right angle foot plate knife to cling to the side hook of the foot plate window to remove part of the foot plate, and expand the window to 0.5mm × 0.5mm. If there is external lymph overflow, place a small cotton ball larger than the window on the window surface, then suck out the lymph with a fine suction tube, and cut the stirrup tendon and arch with the stapes.

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4. Install the artificial stapes and use the alligator pliers to cover the steel wire hook of the piston type small column behind the long process of the anvil. Place the end of the small column beside the foot plate window, use the micro hook to push the lower end of the small column into the window, and then use the cesium clip to clamp the steel wire hook, so that it can not be separated from the long process of the anvil, but it is not tight. The steel wire hook should be as close as possible to the lenticular process.

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5. If the base plate of stapes floats or dislocates when the window breaks the foot, the whole stapes should be taken out. At this time, the oval window should be opened completely. If the piston is used for pseudoreduction, it is easy to cause external lymphatic leakage in the growing period. Therefore, the stainless steel wire fascial pad should be used for pseudotherapy. The specific method is to use a special measuring plate to make a stainless steel wire fascial pad. Fix the steel wire hook on the long process of anvil, and put the fascia on the oval window and its periphery (do not put too much fascia into the window, so as to avoid severe vertigo).

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6. Check whether there is bleeding or small cotton pieces left.

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7. The reduction of skin flap and tympanic membrane is the same as that of stapes shaking.

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