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Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice

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Pseudomonas Labyrinthitis Complicating Acute Otitis Media: Case Report.

Ghada Kharrat^1,2, Sana Ferchichi^1,2, Zahra Jouini¹

¹ENT Department, Mohamed Taher Mâamouri University Hospital, Nabeul, Tunisia.

Ear, Nose, & Throat Journal

|November 14, 2024

Summary

This case report details an 18-year-old female with sudden hearing loss and vertigo caused by Pseudomonas aeruginosa labyrinthitis. While treatment resolved dizziness, hearing loss persisted, highlighting the challenges of this rare infection.

Keywords:

hearing loss otitis media otorrhea vertigo

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Area of Science:

Otolaryngology
Infectious Diseases
Neuroscience

Background:

Bacterial labyrinthitis is a rare condition, with Pseudomonas involvement being exceptionally uncommon.
This case highlights the diagnostic and therapeutic challenges associated with bacterial labyrinthitis.

Purpose of the Study:

To present a rare case of Pseudomonas aeruginosa labyrinthitis.
To discuss the diagnostic modalities, particularly the role of imaging.
To review treatment strategies and prognosis for this condition.

Main Methods:

A case report of an 18-year-old female with acute otitis media followed by labyrinthitis symptoms.
Diagnostic tools included otoendoscopy, audiometry, temporal bone CT, and MRI with CISS sequence.
Treatment involved intravenous antibiotics, corticosteroids, vestibular rehabilitation, and hyperbaric oxygen therapy.

Main Results:

Pseudomonas aeruginosa was isolated from otorrhea.
MRI with CISS sequence revealed intense labyrinthine enhancement, aiding diagnosis.
The patient's dizziness resolved, but sensorineural hearing loss remained.

Conclusions:

Pseudomonas aeruginosa is an exceptional pathogen in bacterial labyrinthitis.
Magnetic resonance imaging (MRI) is crucial for diagnosing labyrinthitis and differentiating it from other conditions.
Despite treatment, hearing loss may persist, indicating a guarded prognosis for auditory function.