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  • Title: Vein versus tragal perichondrium in stapedotomy.
    Author: Schmerber S, Cuisnier O, Charachon R, Lavieille JP.
    Journal: Otol Neurotol; 2004 Sep; 25(5):694-8. PubMed ID: 15353997.
    Abstract:
    OBJECTIVE: To assess, in otosclerosis surgery, whether the vein or the tragal perichondrium in stapedotomy with interposition yields the better long-term hearing outcome. STUDY DESIGN: A retrospective chart review of prospectively collected audiometric data of 452 ears. SETTING: Academic tertiary otology-neurotology referral center. PATIENTS: Four hundred fifty-two stapedotomies with interposition were performed in 412 patients (bilateral in 40 patients) by the senior author (R.C.) between 1987 and 1998. A tragal perichondrium graft was used in 314 cases and a vein graft was used in 138 cases as sealing material of the oval window. MAIN OUTCOME MEASURES: Audiometric data were recorded at 4 months, at 1 year, and at 3 years after surgery after American Academy of Otolaryngology-Head and Neck Surgery guidelines, except for thresholds at 3 kHz, which were not available and which were replaced with those at 4 kHz. RESULTS: There were no significant intergroup differences in initial or late postoperative hearing outcome with regard to change in the pure-tone average bone conduction and air-bone gaps, or sensorineural hearing loss. Ears treated with a vein graft showed statistically better postoperative 2-kHz air-bone gap closure (p =0.0157), but the pure-tone average air-bone gap difference was not significant. Postoperative air-bone gap closure to within 10 dB was achieved in 91% of cases in the vein group and in 76% of cases in the perichondrium group. Specific study of the bone conduction level at 4 kHz showed a sensorineural hearing loss greater than 10 dB in 8% of cases in the vein group and in 11% of cases in the perichondrium group. One case of complete sensorineural hearing loss was observed with a tragal perichondrium graft (0.22%). CONCLUSION: These results suggest that the vein should be preferred to the tragal perichondrium in stapedotomy with interposition.
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