FENESTRATION of the labyrinthine capsule for the relief of deafness due to clinical otosclerosis has become an established practice, but during its evolution it created one of the most controversial issues in otology. Since the earliest attempts to relieve deafness by surgery ended in failure,1 the prospect of obtaining any measure of success remained clouded by skepticism, even after Dr. Julius Lempert, of New York, succeeded in improving the hearing of patients whose loss was attributed to stapedial fixation due to otosclerosis.2 With the fundamental achievements of Holmgren3 and Sourdille4 spectacularly brought to a climax by Lempert in 1938, sound principles of selection were defined, which, in general, outlined the requirements for a successful surgical results.5
Twelve years have now elapsed since Lempert gave to otology his revolutionary key to the surgical management of clinical otosclerosis. During that period attention has been turned to many
KOS CM. A STATISTICAL STUDY OF PURE TONE AUDIOMETRY IN RELATION TO THE FENESTRATION OPERATION. AMA Arch Otolaryngol. 1951;54(4):367–377. doi:10.1001/archotol.1951.03750100029004
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