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Case Report: Eustachian Tube Dysfunction after Penetrating Facial Trauma
Austin J LaBanc1, Caroline Schlocker2
1Department of Otolaryngology, Head & Neck Surgery, Naval Medical Center San Diego, San Diego, CA 92134, USA.
Military Medicine
|February 1, 2023
Summary
Traumatic conductive hearing loss (TCHL) can stem from obstructive Eustachian tube dysfunction (OETD), a novel cause. Surgical intervention resolved TCHL by addressing OETD, highlighting a new diagnostic consideration.
Area of Science:
- Otolaryngology
- Trauma Surgery
- Audiology
Background:
- Traumatic conductive hearing loss (TCHL) typically results from tympanic membrane perforations, hemotympanum, or ossicular chain disruption.
- These conditions are often managed conservatively with favorable hearing outcomes within six months.
Observation:
- A unique case involved penetrating facial trauma causing TCHL due to obstructive Eustachian tube dysfunction (OETD).
- This etiology for OETD and subsequent TCHL has not been previously documented.
Findings:
- Surgical lysis of scar tissue around the Eustachian tube followed by balloon dilation was performed.
- This intervention successfully resolved the patient's conductive hearing loss.
Implications:
- Clinicians should consider OETD as a potential cause of TCHL, especially when traditional signs are absent.
- Visualization of the Eustachian tube orifice and consideration of balloon dilation are recommended for suspected OETD-related TCHL.
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