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  • Title: The effect of balloon dilatation eustachian tuboplasty combined with grommet insertion on the structure and function of the eustachian tube in patients with refractory otitis media with effusion.
    Author: Li L, Mao Y, Hu N, Yan W, Lu Y, Fan Z, Wang H, Han Y.
    Journal: Ann Palliat Med; 2021 Jul; 10(7):7662-7670. PubMed ID: 34353054.
    Abstract:
    BACKGROUND: The treatments for refractory secretory otitis media with effusion usually choose long-term grommet insertion. This study evaluated the effect of balloon eustachian tuboplasty combined with grommet insertion on the function and the opening length of the eustachian tube in patients with refractory otitis media with effusion. METHODS: Fifty-seven patients with refractory otitis media with effusion were enrolled. A three-dimensional reconstruction of an iohexol-enhanced computed tomography image was applied to evaluate the structural and length changes of the eustachian tube at both resting and Valsalva maneuver states. The grommet was removed 3 months after the operation and postoperative follow-up was carried out from 3 to 12 months. We performed pre- and post-operative observation of the following: appearance of the tympanic membrane, pure-tone audiometry threshold, eustachian tube score, seven-item Eustachian Tube Dysfunction Questionnaire scores (ETDQ-7), quantitative examination of eustachian tube function dynamic observation of tympanogram peak pressure point, and computed tomography examination of the eustachian tube. RESULTS: The pure-tone audiometry at 1, 3, 6, 9, and 12 months postoperatively were all significantly lower compared to the preoperative value (all P<0.05). There was no significant difference between the pure-tone audiometry at 6 and 9 months postoperatively, neither was for the air-bone conduction gap at these time points. The quantitative examination peak pressure deviation was markedly increased at 6 months postoperatively compared with that before the operation (all P<0.05). The peak pressure deviation of tympanometry at 6 and 9 months postoperatively were both higher than the value at 12 months after surgery (P<0.05). The eustachian tube score at 1, 3, 6, 9, and 12 months postoperatively were notably higher than that before the operation (all P<0.05). A significant difference was also observed between the 6- and 12-month postoperative eustachian tube score (P<0.05). There was a significant difference in the ETDQ-7 scores at 6- and 12-month postoperatively (P<0.05). The quantitative examination peak pressure deviation and eustachian tube score were both correlated with development length of the eustachian tube after three-dimensional computed tomography reconstruction (P<0.05). CONCLUSIONS: Eustachian tube balloon dilatation combined with grommet insertion is an effective treatment for refractory otitis media with effusion.
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