Hitherto, the main purpose of a radical mastoidectomy has been to eradicate infectious foci of the mastoid cells and the middle-ear cavity and to prevent intracranial complications. The recent trend is not only to accomplish exenteration of necrotic bone but also to preserve the existing subnormal hearing or even to improve it to a serviceable level, depending on the integrity of the cochlear potential.
To achieve such a desirable goal, the most important problem is the creation of an air-containing "new" middle ear, permanently open, aerated by a patent Eustachian tube and covered by a hermetically sealed substitute tympanic membrane capable of vibrating to transmit the sound waves by way of the movable stapes.
Among the pioneers on tympanoplasty, Bell1 cited the works of Ombredanne, Wullstein, and Zöllner for the plastic reconstruction of the destroyed membrana tympani and the middle ear to fulfill the favorable conditions for the restoration
VICENCIO AB. The Retroauricular Pedicle Skin Graft for Tympanoplasty After a Radical Mastoidectomy. AMA Arch Otolaryngol. 1959;69(2):197–199. doi:10.1001/archotol.1959.00730030203014
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