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35 cases clinical observation of open mastoidectomy with tympanoplasty

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开放式鼓室成形术;听力重建;气导;Open mastoidectomy with tympanoplasty;Auditory rehabilitation;Air conduction

Abstract´╝Ü Objective To study the dry ear curative effect and hearing enhancement of openmastoidectomy with tympanoplast(OMT).Methods 35 patients with chronic suppurative otitis media from 2008.6-2009.6 received OMT,35 patients received Ⅰ stage auditory bone chain reconstruction,22 examples were implanted the titanium artificial auditory bone,13 examples used autogenous bone followed up at one year.Results Tympanic membrane perforation was healed in 33 cases(94.3%),dry ear in 35 cases( 100%).At 12 months post operative time,The post operative hearing threshold level improved over 30 dBHL( air conducted threshold)in 1 case,20 ~30 dBHL in 5 cases,10 ~20 dBHL in 20 cases,0 ~ 10 dBHL in 8 cases,1 case was worse,the hearing enhances above 10 dBHL for effective,the hearing raises effectiveness was 74.3%(26/35).Conclusion Adequate OMT could get a better result of dry ear and hearing enhancement in patients with chronic suppurative otitis media.

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