PERILYMPH FISTULA 2017-11-10T06:04:00+00:00

PERILYMPH FISTULA

ABOUT THE DISEASE

Perilymph Fistula (PLF), is an abnormal connection between the air-filled middle ear and the fluid-filled inner ear. The thin and tiny membranes of middle ear called round and oval windows may suffer a tear due to injury or disease. The perilymph or fluid from the inner ear leaks into the middle ear through the oval or round windows. (read more)

SYMPTOMS

The symptoms of a Perilymph Fistula or PLF are:

Fullness of the ear

Fluctuating hearing loss

Dizziness

Vertigo – spells usually lasting for seconds

Changes in atmospheric pressure occurringin aeroplanes, elevators, going to heights etc. oractivities like coughing, sneezing, bending over or lifting weights can worsen the symptoms of PLF.

DIAGNOSIS

VNG guided Valsalva test will help in diagnosing a perilymph fistula. VNG or Frenzel glasses provide a magnified view of nystagmus generated due to the increase in the inner ear pressure by doing the Valsalvamaneuver or Siegelization. Audiometry should be done to detect any hearing loss.

TREATMENT

A traumatic event may result in sudden onset of hearing loss or dizziness. When the vestibular evaluation confirms the diagnosis as perilymph tistula, the patient is advised to refrain from physical activities for a week or two. Usually, sufficient resting heals the tear in the middle ear membranes and stops perilymph from leaking.  Inspite of precautions, if the symptoms persist, surgery may be required. The PLF patients should avoid coughing bending over, straining, lifting things or any other such activities that aggravate the symptoms of PLF.

The surgery is done under local anaesthesia to repair the  perilymph fistula. The operation is carried out through the ear canal. During the operation, the eardrum is raised, and tiny soft tissue grafts are placed around the oval window and the round window.

The patients are advised bed rest and restricted activities at home for next three days post surgery. An overnight hospitalization is advisable.After three days rest, for the next month the patient can resume normal, but not strenuous activities. The patient should avoid intense sports activities, like weight lifting, diving, flying or roller coaster rides. It is seen that patients experience PLF symptoms again if these precautions are not taken, even after successful surgery. Patients are given laxatives after surgery to avoid straining.

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