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April 1948

CHORDA TYMPANI NERVE GRAFT: A Preliminary Report of a New Technic Used in Surgical Fenestration of the Labyrinth

Author Affiliations

From the Otolaryngological Service, Mount Sinai Hospital.

Arch Otolaryngol. 1948;47(4):428-437. doi:10.1001/archotol.1948.00690030450006

OTOLOGISTS owe to Lempert1 the first practical one stage technic for the surgical treatment of clinical otosclerosis. However, significant numbers of failures continue to be a challenge to the surgical technics developed therefrom. The two most important causes of failure appear to be (a) bony or fibrotic closure of the fenestra and (b) postoperative membranous labyrinthitis of varying degrees. Analysis of these factors has led Lempert2 and Shambaugh3 to introduce modifications of the fenestration technic in an attempt to increase the percentage of successful cases. Possibly the amount of auditory improvement could be increased to an even higher level in successful cases if the degree and the duration of the postoperative labyrinthitis could be diminished.

The fenestration operation makes greater demands of technical efficiency on the surgeon than most surgical procedures. The manipulations are unusual, and the consequences of small errors are more devastating. These technical difficulties can best be

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