In June 1937 a small series of cases was reported1 in which the round window niche had been blocked with a tissue graft for alleviation of deafness. Later (May 1938) a second report2 was made, detailing results in a slightly more extended group of cases, the oldest of which had been followed for twenty months after operation.
In the second report, presented at a symposium on the treatment of chronic progressive deafness before the American Otological Society, the discussion drew attention to the fact that normal variation in repeated audiograms might well account for the reported improvement in these operative cases. A subsequent study of this variation3 and establishment of minimum standards of improvement have shown that the reported benefit was real and not simply a matter of applied statistical data.
This paper presents an analysis of still a relatively small series of operations, 36 in all. The cases included
HUGHSON W. AN APPRAISAL OF FOUR YEARS' EXPERIENCE WITH ROUND WINDOW GRAFTS FOR DEAFNESS. Arch Otolaryngol. 1940;32(4):611–630. doi:10.1001/archotol.1940.00660020616001
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