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  • Title: An analysis of the single-stage tympanoplasty with over-underlay grafting in tympanosclerosis.
    Author: Bayazit YA, Ozer E, Kara C, Gökpinar S, Kanlikama M, Mumbuç S.
    Journal: Otol Neurotol; 2004 May; 25(3):211-4. PubMed ID: 15129093.
    Abstract:
    OBJECTIVES: Our objective was to analyze the results of tympanosclerosis surgery using over-underlay tympanoplasty and to find out the effect of single-stage surgery on hearing results. MATERIALS AND METHODS: Forty-two patients who were operated on for tympanosclerosis between July 1998 and February 2002 were included in the study. These were one-stage tympanoplasties, because second-stage operations and revisions were not included. Operative records and audiograms of the patients were obtained. Of the patients, 48% had bilateral tympanosclerosis. In three (7.1%) of the patients, tympanosclerosis and cholesteatoma occurred concomitantly. The cog was present in eight (20%) of 40 mastoidectomies. Körner's septum was present in nine (22.5%) patients. The graft take rate was 95.2%. RESULTS: The pre- and postoperative air-bone gap values of the patients were not significantly different (p > 0.05). Thirty-three percent of the patients met the successful hearing criteria (air-bone gap <20 dB). However, 47% had an air-bone gap closure between 20 dB and 30 dB, whereas 20% had a gap of more than 30 dB. CONCLUSION: Single-stage surgery does not result in a satisfactory hearing improvement in most of the patients with tympanosclerosis. Only one third of the patients, most of whom had a mobile stapes, had satisfactory hearing results. Mobilization of a fixed stapes is not an effective option for hearing restoration in tympanosclerosis. Second-stage surgery for stapedectomy and placement of a prosthesis-like piston or total ossicular replacement prosthesis should be considered to obtain better hearing results in tympanosclerosis.
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