Department of Otolaryngology (ENT)/ Head & Neck Surgery, University Medical Center of the Ludwig-Maximilians-University M¨nchen.
Dtsch Arztebl Int. 2014 Feb 7;111(6):92-8. doi: 10.3238/arztebl.2014.0092.
Developmental disorders of the ear can impair hearing and cause cosmetic deformities. In recent years, new surgical treatments have become established, above all in audiological rehabilitation.
We selectively searched the PubMed database up to May 2013 for publications in English and Germanabout the therapeutic options.
No randomized trials have been performed, for both ethical and practical reasons (inadmissibility of placebo surgery, specialization of surgeons for individual techniques). To correct prominent ears, cartilage-sparing suture techniques are preferred, as they lead less often than scoring and incisional techniques to the formation of persistent, incompletely correctable ridges and scaffolding defects. The successful esthetic rehabilitation of severe deformities of the external ear is achievable through pinna reconstruction with costal cartilage (main risks: tissue defect at donor site, scaffolding resorption) or porous polyethylene (main risk: implant extrusion). The functional rehabilitation of conductive or mixed hearing impairment due to ear-canal atresia and major middle-ear deformities is preferably achieved with active middle-ear implants or bone-conduction hearing aids. Functional rehabilitation should be provided even when the hearing impairment is unilateral, in order to improve directional hearing and hearing with ambient noise. In cases of purely cochlear, unilateral, severe hearing impairment or deafness, a boneconduction hearing aid can be tried, and the individual indication for a cochlear implant can be considered.
The treatment options described here enable the affected children to benefit from complete functional and esthetic rehabilitation before they start school.
耳部发育障碍可损害听力并导致外观畸形。近年来,新的手术治疗方法已经确立,尤其是在听力学康复方面。
我们专门检索了截至 2013 年 5 月在 PubMed 数据库中发表的有关治疗选择的英文和德文文献。
由于伦理和实际原因(不可行安慰剂手术,外科医生的专业化),都没有进行随机试验。为了矫正突出的耳朵,我们更倾向于采用保留软骨的缝合技术,因为与划线和切开技术相比,它们不太可能导致永久性、无法完全纠正的嵴和支架缺陷。通过肋软骨(主要风险:供体部位组织缺损,支架吸收)或多孔聚乙烯(主要风险:植入物挤出)进行耳廓重建,可以成功地对外耳严重畸形进行美学修复。对于由于耳道闭锁和中耳严重畸形引起的传导性或混合性听力障碍的功能康复,最好采用主动中耳植入物或骨导助听器。即使听力障碍是单侧的,也应该提供功能康复,以改善定向听力和环境噪声下的听力。对于单纯耳蜗、单侧、严重听力障碍或耳聋的情况,可以尝试骨导助听器,并考虑植入人工耳蜗的个体适应证。
这里描述的治疗选择可以使受影响的儿童在开始上学前受益于完全的功能和美学康复。