摘要
目的 :探讨乳突根治术后 ,让术耳向外耳道开放的乳突腔重新中耳化和 期听力重建的方法。方法 :以同种异体肋软骨为外耳道后壁重建、乳突充填和听骨链重建的材料 ,对 71例 (耳 )于乳突根治术后行中耳重建术。结果 :71耳术后经 0 .5～ 5年随访 ,除 2耳外 ,全部病例重建外耳道接近正常生理结构 ;听力提高 1 5d B以上或达应用水平 55耳 (77.5% ) ,听力提高未达 1 5d B1 1耳(1 5.5% ) ,因不同原因失败 5耳 (7.0 % )。结论 :用同种异体肋软骨行乳突根治术后的中耳重建术 ,是解决乳突腔重新中耳化、听力重建。
Objective:To reconstruct middle ear structure for open mastoid antrum with external auditory canal after radical mastoidectomy in one stage. Method:71 ears of post mastoidectomy (discharging 53 ears and dried up 18 ears) were undergone with reconstruction of middle ear. The posterior wall of external auditory canal, mastoid cavity and chain of ossicles were reconstructed with homologous costal cartilage.Result:69 ears of 71 cases were near normal structure followed up 6 months to 5 years after operations. The result showed hearing improvement over 15 dB were 55 ears (77.5%) and under 15 dB were 11 cases (15.5%). Five cases (7.0%) were failed.Conclusion:Reconstruction of middle ear with homologous costal cartilage is a ideal surgery to reconstruct hearing structure and avoid infection of middle cavity after radical mastoidectomy.
出处
《临床耳鼻咽喉科杂志》
CSCD
2000年第10期442-443,共2页
Journal of Clinical Otorhinolaryngology
关键词
乳突根治术
中耳重建术
同种异体肋软骨
Radical mastoidectomy Reconstruction of middle ear Homologous costal cartilage
