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Discharge from the ear can be caused by acute otitis media with perforation of the eardrum, chronic suppurative otitis media, tympanostomy tube otorrhea, or acute otitis externa. Trauma, such as a basilar skull fracture , can also lead to cerebrospinal fluid otorrhea (discharge of CSF from the ear) due to cerebral spinal drainage from the brain ...
Otitis externa may be acute (lasting less than six weeks) or chronic (lasting more than three months). [2] Acute cases are typically due to bacterial infection, and chronic cases are often due to allergies and autoimmune disorders. [2] [3] The most common cause of otitis externa is bacterial.
Long term otitis media (or 'glue ear') [2] Insertion of a tympanostomy tube. [4] [5] [6] If aspiration is performed as part of the insertion, the risk of tympanosclerosis occurring increases. [7] Risk also increases if a larger tube is used, [8] or if the procedure is repeated. [9] Atherosclerosis [10]
Tympanostomy tubes should not be inserted in children who have only one episode of otitis media with effusion that lasts less than three months. [1] [7] [8] While tympanostomy tubes are commonly used in children, they are seldom used in adults. Options for use in adults include: Persistent eustachian tube dysfunction. [6]
[7] [5] Given that proximity of that part of the Eustachian tube to the tympanic cavity, the site of frequent infections during childhood, it is logical to conclude that this segment of the tube experiences fibrosis and stenosis from recurrent infections. This is a possible explanation for the increased frequency of chronic ear disease in ...
The most common aetiology of acute otitis externa is bacterial infection, [5] while chronic cases are often associated with underlying skin diseases such as eczema or psoriasis. [6] A third form, malignant otitis externa, or necrotising otitis externa, is a potentially life-threatening, invasive infection of the external auditory canal and ...
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The fluid or pus comes from a middle ear infection (otitis media), which is a common problem in children. A tympanostomy tube is inserted into the eardrum to keep the middle ear aerated for a prolonged time and to prevent reaccumulation of fluid. Without the insertion of a tube, the incision usually heals spontaneously in two to three weeks.