Endoscopic Overlay Tympanoplasty for TM Perforation

Status Completed

Clinical Trial Summary

Minimally invasive surgery is becoming more common in many surgical fields. The wide view of endoscope allows for minimally invasive transcanal approach instead of large postauricular opening. The investigators conduct this study to compared post operative pain score (by Visual Analogue Scales) between conventional microscope lateral placing tympanoplasty and endoscopic lateral placing tympanoplasty.

Clinical Trial Description

A main part of tympanoplasty is repair of perforated tympanic membrane. There are two popular way to approach tympanic membrane, transcanal or postauricular approach. There are two grafting techniques are applied in tympanoplasty which includes the lateral technique (overlay) and medial technique (underlay).

The lateral technique is widely used in our institute which involves placement of a graft lateral to the tympanic annulus and the fibrous layer of the tympanic remnant. The most our preferred approach in previous experience is the postauricular approach for tympanoplasty because the transcanal approach is not enough for adequate exposure. Moreover, the visualization straight through transcanal provide by the microscope is difficult by a limited view of the perforation edge due to narrowing and curved external ear canal. Postauricular approach cause many layers of tissue are violated along with a significant postoperative pain.

The author proposed this study with the aim of determining the alleviation of postoperative pain by new technique and the efficacy of endoscope for tympanoplasty. ;

Study Design

Related Conditions & MeSH terms

Tympanic Membrane Perforation

Clinical Trial Details

NCT number	NCT02331797
Study type	Interventional
Source	Prince of Songkla University
Contact
Status	Completed
Phase	N/A
Start date	December 2014
Completion date	October 2017

View Details

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