[Short-term effect of endoscopic one-stage tympanoplasty on tympanosclerosis].
2020
Objective:To explore the feasibility of transcanal endoscopic ear surgery for tympanosclerosis as well as the surgical method and short-term effect. Method:Forty-one patients with type Ⅱ-Ⅳ tympanosclerosis who underwent transcanal endoscopic ear surgery were retrospectively analysed. All the tympanosclerotic lesions were removed with endoscope, then tympanoplasty was performed according to the ossicular involvement. Postoperative examination and audiometry were performed at 1, 3 and 6 months after the operation. Pre-and post-operative(6 months as the final result) pure tone air-bone gap were compared between different types of tympanosclerosis to evaluate the short-term effect, the difference of hearing improvement between different type of tympanoplasties was also compared. SPSS 22.0 was used for statistical analysis. Result:Forty-three ears recovered without complications, except one with marginal performation, the graft take rate was 97.7%. The preoperative and 6 months postoperative air-bone gap was (36.73±11.68) dB and (20.55±10.27) dB respectively, with significant difference(t=20.476, P 0.05). Conclusion:Transcanal endoscopic surgery is safe and effective for tympanosclerosis with satisfying short-term effect, though long-term result still needs further investigation.
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