The study of otoendoscopic tympanoplasty (type I)

Abstract

Background

With the development of otoendoscopic surgery technology and the update of equipment, more and more otoendoscopic tympanoplasty are carried out.

Objectives

To investigate application of otoendoscopic tympanoplasty.

Methods

Seventy-six patients with tympanic membrane perforation were randomly enrolled into otoendoscopic group (OP, n = 38) and microscope group (MP, n = 38). We compared two-group patients using operative time, intraoperative blood loss, healing of postoperative perforations, and degree of postoperative hearing improvement.

Results

Average operation time was statistically significant shorter in the OP than the MP (p < .05); the intraoperative blood loss in the OP was significant less than MP (p < .05); after postoperative follow-up, the healing rate of tympanic membrane perforation was 92.11% in the OP compared to 89.47% in the MP. However, there was no statistically significant difference in the two groups (p > .05). There were no statistically significant differences between the preoperative and postoperative air and bone conduction thresholds in the two groups (p > .05).

Conclusions

Otoendoscopic tympanoplasty is a minimally invasive operation but with similar effects as compared to microscopic one. But the operation time and intraoperative blood loss in the OP were significantly better than those in the MP, thus it is a safe, effective and easy to be operated in clinical practice.

Chinese Abstract

背景：随着耳内镜手术技术的发展和设备的更新, 越来越多的耳内镜鼓室成形术被进行。

目的：探讨耳内镜鼓室成形术的应用。

方法： 76例鼓膜穿孔患者被随机纳入耳内窥镜组 (OP, n = 38) 和显微镜组 (MP, n = 38)。我们比较了两组患者的手术时间、术中失血量、术后穿孔愈合情况, 以及

术后听力改善程度。

结果：OP 组的平均手术时间比 MP 组短（p < .05）, 具有统计学意义。OP 组术中失血量显著低于 MP组 (p < .05)；术后随访 OP 组, 鼓膜穿孔愈合率为 92.11%, 而MP组为89.47% 。然而, 两组之间没有统计学上的显著差异（p > .05）。术前术后两组的气骨传导阈值差异无统计学意义（p > .05）。

结论：耳内镜鼓室成形术是一种微创手术, 但效果与显微镜鼓室成形术相似。但 OP 的手术时间和术中出血量则显著优于MP, 因此在临床实践中是一种安全、有效且易于操作的方法。

Keywords:

• Tympanoplasty
• otoendoscopic
• microscopic
• operation time
• intraoperative blood loss

Disclosure statement

The authors have no conflicts of interest to disclose.