Apr 1, 1977

Physiological exploration of the eustachian tube using labeled compounds. Applications in the control of treatment (author's transl)

Annales d'oto-laryngologie et de chirurgie cervico faciale : bulletin de la Société d'oto-laryngologie des hôpitaux de Paris
L G de CollognyG Meyniel


Sequential scintigraphy enables the qualitative and quantitative study of the drainage function of the Eustachian tube. Use is made of serum albumin labeled with technetium 99 m. After reviewing the various methods employed in an exploration of the functions of the Eustachian tube, and in particular the drainage function, the writers explain the method in detail (indicator, detection system, examination procedure, normal scintigraphic aspects) while stressing the control factors (onset of passage, speed and intensity of passage, length of time for the appearance of a trace on the pharynx, eventual aspects of blocking) and giving the basic characteristics; persistant spotting of the drum, transient image of the tube, partial stoppage at the ostium, and traces along the pharynx. The role of swallowing and the position of the head appear to be essential. Results obtained in various disorders of the middle ear, accessory cavities, the tube and the cavum are given in the form of tables. The writers then indicate the principal merits of the method: demonstration of the pathological role of the Eustachian tube in a work-up of transmission deafness, with its impact on treatment, the role of a deficient drainage function in surgical fai...Continue Reading

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Mentioned in this Paper

Ear Diseases
Eustachian Tube
Technetium 99m
Plasma Albumin
Mineral Waters
Otitis Media
Complete Hearing Loss
Tympanic Cavity

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