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KMID : 0390220220330040174
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2022 Volume.33 No. 4 p.174 ~ p.183
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Diagnosis of Eustachian Tube Diseases
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Lee Ho-Yun
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Abstract
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This study reviewed recent literature on Eustachian tube dysfunctions and intended to provide updates on the topic. An electronic database search was performed. Eustachian tube diseases are classified into three types: dilatory dysfunction, baro-challenge-induced dysfunction, and patulous Eustachian tube. For the diagnosis of Eustachian disease, a detailed history taking is essential. Evaluation of patients’ symptoms using questionnaires such as the ETDQ-7 is necessary to determine the status before and after evaluation and treatment. The Valsalva or the Toynbee maneuver is the most straightforward test to determine whether or not the Eustachian tube is patent. It is necessary to check the lumen and opening of the Eustachian tube in the nasal cavity, access to the nasal passage, and eardrum movement by an endoscope. Among the test methods available in the laboratory, sonotubometry is the most promising and accurate test. However, it has not yet been officially imported to Korea, so the nine-step inflation-deflation method still falls under the standard test method.
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KEYWORD
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Eustachian tube, Diagnosis
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