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Transcanal Endoscopic Versus Microscopic Tympanoplasty: Is There a Difference in Perforation Closure Rates?

Tanner Mitton¹, Jenny Kim¹, Daniel E Killeen²

¹Department of Otolaryngology - Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, TX.

Otology & Neurotology Open

|March 22, 2024

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Endoscopic tympanoplasty (ET) offers similar tympanic membrane closure rates to microscopic tympanoplasty (MT). This study found no significant differences in closure based on perforation size, location, or graft position for either technique.

Area of Science:

Otolaryngology
Surgical Innovation
Medical Technology

Background:

Tympanoplasty is a surgical procedure to repair a perforated tympanic membrane.
Microscopic tympanoplasty (MT) is the traditional approach, while transcanal endoscopic tympanoplasty (ET) is a newer technique.

Purpose of the Study:

To compare the postoperative closure rates of transcanal endoscopic tympanoplasty (ET) versus microscopic tympanoplasty (MT).
To evaluate the influence of perforation size, location, and graft position on closure rates for both techniques.

Main Methods:

Retrospective chart review of adult patients undergoing tympanoplasty between 2010 and 2019.
Comparison of tympanic membrane closure rates between ET and MT groups, with at least 2 months of follow-up.

Keywords:

Transcanal endoscopic ear surgery Tympanoplasty

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Main Results:

A total of 211 patients were analyzed (98 ET, 113 MT).
No significant difference in closure rates was observed between ET (79.6%) and MT (84.1%) (P = 0.473).
Multivariable analysis confirmed no significant difference in closure rates based on perforation characteristics or graft position.

Conclusions:

Transcanal endoscopic tympanoplasty (ET) achieves comparable postoperative closure rates to microscopic tympanoplasty (MT).
The choice between ET and MT does not appear to significantly impact closure success, regardless of perforation specifics.