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Tasting Instilled Otologic Drops Is Not a Reliable Test of Eustachian Tube Function
Arch Otolaryngol Head Neck Surg. 2000;126:1042.
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Dr Megerian has provided us with a substantial review of the literature regarding methods of preoperative evaluation of eustachian tube function in children, and how the results of these evaluations relate to the success rate of tympanoplasty. He is correct in stating that it is almost impossible after review of the literature to clearly support or refute the hypothesis that pediatric tympanic membrane perforations can be successfully repaired if the child can taste otologic drops instilled in the ear canal. The idea of evaluation using instilled drops is interesting, but the results are based on a subjective response from patients. One factor that should be considered is that while this may be helpful in the older child, stimulus of the vagus and/or glossopharyngeal nerves may confuse a young child and evoke an erroneous response.
Figure appears in full text version.
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S. Thomas Westerman, MD, PA
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Clearly, timely resolution of a perforated tympanic membrane is important in . . . [Full Text of this Article]
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