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Article
October 1958

Transtympanic Mobilization of the Stapes: Effects on the Transmission Characteristics of the Middle Ear

Author Affiliations

Lexington, Ky.

AMA Arch Otolaryngol. 1958;68(4):488-492. doi:10.1001/archotol.1958.00730020508010
Abstract

Transtympanic mobilization of the stapes was initiated approximately 70 years ago and revived more recently by Rosen.4 When the otological and audiological results indicate that the stapes has been "ankylosed," the otologic surgeon enters the middle ear via the tympanic membrane after administering a local anesthetic. The surgery is usually performed through an ear speculum with use of optical magnification and an instrumental mobilizer to improve the transmission of sound by the ossicles.

Although stapes mobilization is used primarily to improve impaired hearing, the procedure is analogous to an experimental manipulation of the ossicular chain. Allowing for etiological and pathological variations of middle-ear disease, there results a sampling of these processes as the number of surgical cases increases, since no two cases are exactly identical. Thus an analysis of a sample of pre- and postsurgical pure-tone thresholds should reveal the resultant differential effects attributable to the transmission characteristics of

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