Effect of the thickness of the cartilage disk on the hearing results after perichondrium/cartilage island flap tympanoplasty
Effect of the thickness of the cartilage disk on the hearing results after perichondrium/cartilage island flap tympanoplasty
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DOI：
10.1159/000101540
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发表时间：
2007-01-01
期刊：
影响因子：
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通讯作者：
Safwat, Sherif
中科院分区：
文献类型：
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作者：
Atef, Ahmed;Talaat, Neseem;Safwat, Sherif
目的/假设：本研究的目的是分析软骨膜/软骨岛状瓣鼓室成形术后软骨盘厚度对听力的影响。我们的假设是，将坚硬的厚软骨盘减薄到其厚度的一半可以增加顺应性，并为重建鼓膜的患者提供更好的声学增益和听力效果。研究设计：于2003-01/2004-03进行前瞻性临床试验。方法：将慢性化脓性中耳炎(粘膜型)、中耳道穿孔、听骨链完整患者随机分为2组，第1组采用全厚软骨盘软骨膜/软骨岛状瓣技术，第2组采用软骨膜/软骨岛状瓣技术，但将软骨一分为二。分别于鼓室成形术前、术后8~9个月采用4个频率(500、1000、2000、3000赫兹)纯音平均气隙进行听力评估，并进行统计学比较。(C)2007年S.Karger股份公司，巴塞尔。
Objective/Hypothesis: The aim of this study was to analyze the effect of the thickness of the cartilage disk on the hearing results after perichondrium/cartilage island flap tympanoplasty. Our hypothesis was that thinning the rigid thick cartilage disk to half of its thickness could increase the compliance and give better acoustic gain and hearing results to patients with a reconstructed tympanic membrane. Study Design: A prospective before/after clinical trial was conducted between January 2003 and March 2004. Method: Patients with chronic suppurative otitis media (mucosal type), central perforations and intact ossicular chain were randomly divided into 2 groups: the 1st group was treated with the perichondrium/cartilage island flap technique using the full-thickness cartilage disk, while the 2nd group was treated with the same technique but after bisecting the cartilage to half of its thickness. Hearing was evaluated using a 4-frequency (500, 1,000, 2,000, 3,000 Hz) pure-tone average airbone gap before and then 8-9 months after tympanoplasty, and the results were compared statistically. (C) 2007 S. Karger AG, Basel.