• A study was performed to detect primary and secondary deficits in eustachian tube (ET) function in children with otitis media with effusion (OME). We examined ET function in the active and convalescent stages of OME in a total of 103 children (141 ears) and compared the results with those obtained in a control group of 34 ears. There were 27 children (33 ears) with OME in the convalescent stage and 76 children (108 ears) in the group with active OME. The test of ET function included the inflation-deflation test and dye clearance test. No cases of abnormally high tubal opening pressure were found in the convalescent OME group, and only 11% of ETs in the active OME group had high pressure. Negative middle ear pressure equalizing function,
Takahashi H, Hayashi M, Sato H, Honjo I. Primary Deficits in Eustachian Tube Function in Patients With Otitis Media With Effusion. Arch Otolaryngol Head Neck Surg. 1989;115(5):581–584. doi:10.1001/archotol.1989.01860290039011
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