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Metalloproteinases (MMPs) constitute a family of endopeptidases that cleaves the extracellular matrix as collagen included in the eardrum. Activity of MMP has been shown in some otitis media with effusion (OME) fluids. These enzymes could be directly linked to the pronostic of OME as it may damage the eardrum and leads to tympanic atrophy.
The main goal of the study is to find out the correlation between activity of MMPs and tympanic atrophy. The investigator will also study if there is any clinical predictive factors in relation to the level of MMPs.
The investigator will include 35 children under 12 years old with OME and who need tympanostomy or tube placement under general anesthesia. Middle ear effusion will be collected, divided in two and frozen.
The investigator will perform ELISA tests to mesure the level of MMP2 MMP9 MMP7 et TIMP2 (inhibitor of MMPs). The investigator want to compare the level of MMPs between healthy eardrum and atrophic membrane.
Clinical data will be collected such as age, gender, chronicity of the OME, quality of the eardrum and middle ear effusion type to see if there is any difference when MMPs level is higher.
Otitis Media With Effusion
preservation of mucosal otitis media
Not yet recruiting
University Hospital, Montpellier
Published on BioPortfolio: 2018-08-07T16:31:12-0400
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Inflammation of the ear, which may be marked by pain (EARACHE), fever, HEARING DISORDERS, and VERTIGO. Inflammation of the external ear is OTITIS EXTERNA; of the middle ear, OTITIS MEDIA; of the inner ear, LABYRINTHITIS.
Inflammation of the middle ear with a clear pale yellow-colored transudate.
Inflammation of the middle ear with purulent discharge.
Inflammation of the honeycomb-like MASTOID BONE in the skull just behind the ear. It is usually a complication of OTITIS MEDIA.
Inflammation of the MIDDLE EAR including the AUDITORY OSSICLES and the EUSTACHIAN TUBE.
Pediatrics is the general medicine of childhood. Because of the developmental processes (psychological and physical) of childhood, the involvement of parents, and the social management of conditions at home and at school, pediatrics is a specialty. With ...
Anesthesia is the loss of feeling or sensation in all or part of the body. It may result from damage to nerves or can be induced by an anesthetist (a medical professional) using anesthetics such as thiopental or propofol or sevoflurane during a surgical ...