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

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...