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The Mouse Round-window Approach for Ototoxic Agent Delivery: A Rapid and Reliable Technique for Inducing Cochlear Cell Degeneration

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Published on: November 26, 2015

Auricular burns associated with operating microscope use during otologic surgery.

Richard F Latuska¹, Matthew L Carlson, Brian A Neff

¹*Department of Otolaryngology-Head and Neck Surgery, Vanderbilt University, Nashville, Tennessee; and †Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic School of Medicine, Rochester, Minnesota, U.S.A.

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology

|November 26, 2013

Summary

This summary is machine-generated.

Operating microscopes can cause auricular burns during ear surgery. A review of adverse event reports indicates these thermal injuries are more common in otologic procedures, necessitating preventative measures.

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Area of Science:

Otolaryngology
Surgical Technology
Patient Safety

Background:

Operating microscopes have advanced illumination and optics, enhancing surgical efficiency.
These advancements, however, may increase the risk of thermal injuries to patients.

Observation:

A review of Food and Drug Administration (FDA) Manufacturer and User Facility Device Experience (MAUDE) database reports identified 82 microscope-related soft tissue burns since 2004.
Approximately 30% of these thermal injuries occurred in otologic surgery, particularly during tympanoplasty and tympanomastoidectomy.
Burns were often associated with focal lengths of 300 mm or less and xenon light sources.

Findings:

The external ear's anatomy, with thin skin and minimal adipose tissue, may predispose it to thermal injury.
Otologic surgery exhibits a disproportionately high rate of microscope-related soft tissue burns compared to other surgical specialties.

Implications:

Implementing preventative strategies is crucial to mitigate the risk of auricular burns.
Recommendations include using minimal light intensity, adjusting aperture, frequent irrigation, and protecting the pinna with moist sponges.