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  • Title: [The effect of the lesion in tympanic ostium on the disfunction of Eustachian tube in patients with chronic otitis media].
    Author: Tan S, Tang A, Xu Z, Zhou Y.
    Journal: Lin Chuang Er Bi Yan Hou Ke Za Zhi; 2004 Nov; 18(11):670-1. PubMed ID: 15715413.
    Abstract:
    OBJECTIVE: To explore the relation of tympanic ostium of Eustachian tube and Eustachian tube dysfunction in chronic otitis media. METHOD: Tympanic ostium of Eustachian tube was observed by tele-otoscope and the active and passive function of Eustachian tube were detected in 44 case of chronic otitis media (include 45 ears). RESULT: The lesion of tympanic ostium of Eustachian tube based on observation of tele-otoscope was divided into mild and serious alteration. The mild alteration revealed bony hyperplasia, mucosal swelling but tympanic ostium was open. The serious alteration revealed the serious mucosal swelling, granulation and tympanic ostium narrow. Seventeen out of 45 ears of chronic otitis media were normal tympanic ostium of Eustachian tube, whereas 18 ears and 10 ears were mild and serious alteration respectively. In 10 ears with serious alteration of tympanic ostium, 9 ears revealed the obstruction of Eustachian tube. CONCLUSION: The bony hyperplasia, mucosal swelling and granulation in tympanic ostium are usual lesion in chronic otitis media. The narrow of tympanic ostium induced by serious mucosal swelling and granulation is one of causes resulting in tube disfunction.
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