• Patulous eustachian tube is more common than is usually presumed. The symptoms of this condition can paradoxically simulate an obstruction of the eustachian tube. The characteristic eardrum movements synchronized with breathing can be overlooked or be absent altogether and, therefore, the diagnosis in many cases is missed. We suggest using the middle ear analyzer for diagnosis and objective evaluation of the patent eustachian tube by adjusting it as for acoustic reflex testing. Our method is more sensitive than the more common method of tympanometry. Information is supplied for the patient's evaluation before and after treatment.
(Arch Otolaryngol Head Neck Surg 1988;114:1134-1138)
Finkelstein Y, Talmi YP, Rubel Y, Zohar Y. An Objective Method for Evaluation of the Patulous Eustachian Tube by Using the Middle Ear Analyzer. Arch Otolaryngol Head Neck Surg. 1988;114(10):1134–1138. doi:10.1001/archotol.1988.01860220068026
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