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  • Title: Eustachian tube function of patients with nasopharyngeal carcinoma.
    Author: Hsu MM, Young YH, Lin KL.
    Journal: Ann Otol Rhinol Laryngol; 1995 Jun; 104(6):453-5. PubMed ID: 7771718.
    Abstract:
    Prolonged observations of the eustachian tube (ET) function were made on 40 ears of 20 patients with nasopharyngeal carcinoma (NPC) who survived more than 5 years after radiotherapy in a state of remission. The ET function tests included passive opening, inflation-deflation, and clearance, and were performed before, at 6 months, and at 5 years after radiotherapy. The test results were found to be worst at 6 months after radiotherapy and improved at 5 years after radiotherapy. Tubal obstruction and inflammation are the main causes of the ET malfunction that results in otitis media with effusion (OME) in NPC patients after radiotherapy. Insertion of a ventilation tube into the ear with OME can relieve tubal obstruction but can aggravate inflammation. Thus, myringotomy and aspiration of effusion and local treatment may be preferable to insertion of a ventilation tube in NPC patients with OME. When hearing improvement in prolonged survival of NPC patients with OME is needed, the use of amplification is recommended.
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