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Eustachitis

Eustachitis is a disease of the auditory (Eustachian) tube that disturbs the ventilation of the middle ear. It is inextricably linked with the pathology of the tympanic cavity; therefore, the terms that combine both diseases are often used: “salpingo-otitis” or “tubootitis”. There are acute (with influenza, seasonal catarrh of the upper respiratory tract) and chronic catarrhal eustachitis. Recurrent acute and chronic catarrhal eustachiitis often lead to the development of adhesive otitis media. Obstruction of the auditory tube can occur as a result of the closure of its nasopharyngeal mouth by adenoids, choanal polyp, tumor, as a result of hypertrophy of the posterior end of the inferior nasal concha, the transition of the inflammatory process to the walls of the auditory tube with rhinopharyngitis, etc.

Symptoms, course, treatment (see Otitis media moderate, acute and chronic).