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[Single-stage open tympanoplasty in the form of tympanosclerosis with fixation of the stapes].

We used several variants of one-stage tympanoplasty, including our own method, according to which, in the absence of an anvil and malleus after mobilisation of the stapes, ossiculoplasty with partial or complete ossicular prosthesis and myringoplasty simultaneously preventively created a support (neo-malleus) in the thickness of the neotympanic membrane. To assess the effectiveness of different variants of single-stage tympanoplasty, the long-term functional results were compared in terms of 6 to 12 months after the intervention with preoperative indicators. Standard methods of statistical estimation with calculation of descriptive statistics and methods of statistical hypothesis testing based on nonparametric Wilcoxon criterion for related samples were used. All the variants of one-stage tympanoplasty used in the fixation of the stapes are effective and, in general, make it possible to achieve an improvement in auditory function. In the present study, this result was achieved in 61 of 86 patients with tympanosclerosis (71% (65%; 74%) of 95% CI). The functional results of tympanoplasty according to the developed method do not differ from the results of traditional variants with the use of prostheses, but the implementation of this variant of tympanoplasty in the absence of an anvil and hammer allows for the fixation of the stapes during the reoperative stapedotomy using a prosthesis of the piston type without additional surgical stage of the formation of the neomaleus.