Moon In Seok, Song Mee Hyun, Kim Hee-Nam, Chung Myung-Hyun, Lee Won-Sang, Lee Ho-Ki
Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea.
Acta Otolaryngol. 2007 Jan;127(1):20-4. doi: 10.1080/00016480500488925.
Polycel is an effective material to use in ossiculoplasty. Good prognostic factors for hearing improvement after ossiculoplasty were healthy middle ear mucosa and the presence of stapes superstructure.
During the last decade, the surgical use of alloplasts has become increasingly widespread among otologists. This study aimed to evaluate the hearing results after ossiculoplasty using Polycel prosthesis.
We retrospectively reviewed 188 patients who underwent ossicular chain reconstruction using Polycel prosthesis and were followed up postoperatively for more than 12 months at Severance Eye-ENT Hospital from 1998 to 2002. Postoperative hearing results were assessed by measuring the postoperative air-bone gap (ABG) and closure of the ABG. Successful postoperative ABG criteria were defined as the following three measurements: ABG of <or=10 dB, ABG of <or=20 dB, and ABG of <or=30 dB. Several prognostic factors were analyzed, including the condition of the middle ear mucosa and ossicles, the presence or absence of cholesteatoma, surgical method, and staging and revision surgery.
Of the 188 cases, 22 cases (11.7%) showed an ABG of <or=10 dB, 96 cases (51.1%) presented with an ABG of <or=20 dB, and 158 cases (84.0%) had an ABG of <or=30 dB. In cases with healthy middle ear mucosa and the presence of stapes superstructure, the hearing results were good.
聚碳酸酯是一种用于听骨成形术的有效材料。听骨成形术后听力改善的良好预后因素是中耳黏膜健康和镫骨上部结构的存在。
在过去十年中，异体植入物的外科应用在耳科医生中越来越普遍。本研究旨在评估使用聚碳酸酯假体进行听骨成形术后的听力结果。
我们回顾性分析了1998年至2002年在Severance眼耳鼻喉医院接受聚碳酸酯假体听骨链重建并术后随访超过12个月的188例患者。通过测量术后气骨导间距（ABG）和ABG的闭合情况来评估术后听力结果。术后ABG成功标准定义为以下三种测量值：ABG≤10dB、ABG≤20dB和ABG≤30dB。分析了几个预后因素，包括中耳黏膜和听骨的状况、胆脂瘤的有无、手术方法以及分期和翻修手术。
188例中，22例（11.7%）ABG≤10dB，96例（51.1%）ABG≤20dB，158例（84.0%）ABG≤30dB。中耳黏膜健康且存在镫骨上部结构的病例，听力结果良好。
