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  • Title: A reconsideration of the parameters for evaluating tympanic reconstruction.
    Author: Smyth GD, Hassard TH.
    Journal: Am J Otol; 1981 Apr; 2(4):365-7. PubMed ID: 7258329.
    Abstract:
    Twenty years' experience with tympanoplasty operations incorporating ossicular reconstruction revealed some unexpected improvements in bone conduction thresholds postoperatively. Because there appeared to be a relationship between this occurrence and the degree of air-bone closure, the possibility that bone conduction thresholds were related to the efficiency of the middle ear sound transformer mechanism was investigated. It has been possible to demonstrate that such a relationship does exist. Its extent and the possible underlying mechanisms are discussed. It is concluded that the evaluation of ossiculoplasty results would be more realistic if they were based on a parameter that measures cochlear function with greater accuracy than do preoperative bone conduction thresholds.
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