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Intractable Methicillin-Resistant Staphylococcus Aureus Otorrhea with Silicone Impression in the Middle Ear

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ABSTRACT

We report a case of methicillin-resistant Staphylococcus aureus (MRSA) otorrhea with impression material of hearing aid in the middle ear. The patient had chronic otitis media in the right ear with sensorineural hearing loss in both ears. The silicone flowed into the middle ear through a tympanic membrane perforation during the process of making an ear mold. Several days after hearing aid fitting, the patient had severe otalgia, intractable otorrhea, aggravated hearing loss, and dizziness. The pus culture and sensitivity test revealed MRSA. After topical treatment using diluted vinegar irrigation and ototopical vancomycin solution, intractable otorrhea was controlled. The infected silicone impression was removed by canal wall-up mastoidectomy, and hearing was saved. We present here a review of the literature regarding silicone impression in the middle ear after hearing aid mold fitting.

No MeSH data available.


Related in: MedlinePlus

A: Preoperative PTA shows that mixed type hearing loss in the right side and sensorineural hearing loss in the left side. B: The postoperative PTA shows that mild improved bone conduction in the right side. PTA: pure tone audiogram.
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Figure 2: A: Preoperative PTA shows that mixed type hearing loss in the right side and sensorineural hearing loss in the left side. B: The postoperative PTA shows that mild improved bone conduction in the right side. PTA: pure tone audiogram.

Mentions: Several days after being diagnosed with simple chronic otitis media without otorrhea at the local clinic, he visited a local shop selling hearing aids. After hearing aid molding was performed, the mold could not be removed. Ten days after hearing aid fitting, patient had severe otalgia, aggravated hearing loss, and dizziness. Otomicroscopic examination found pulsating purulent discharge with blue mold material from the middle ear (Fig. 1A). The pulsating discharge was collected using a swab for the pus culture and antibiotic sensitivity test, which revealed MRSA. Temporal bone CT showed the soft tissue in the middle ear encasing the ossicle (Fig. 1C). Pure tone audiogram (PTA) showed moderate to severe mixed hearing loss in the right side and severe sensorineural hearing loss in the left side (Fig. 2A).


Intractable Methicillin-Resistant Staphylococcus Aureus Otorrhea with Silicone Impression in the Middle Ear
A: Preoperative PTA shows that mixed type hearing loss in the right side and sensorineural hearing loss in the left side. B: The postoperative PTA shows that mild improved bone conduction in the right side. PTA: pure tone audiogram.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5392010&req=5

Figure 2: A: Preoperative PTA shows that mixed type hearing loss in the right side and sensorineural hearing loss in the left side. B: The postoperative PTA shows that mild improved bone conduction in the right side. PTA: pure tone audiogram.
Mentions: Several days after being diagnosed with simple chronic otitis media without otorrhea at the local clinic, he visited a local shop selling hearing aids. After hearing aid molding was performed, the mold could not be removed. Ten days after hearing aid fitting, patient had severe otalgia, aggravated hearing loss, and dizziness. Otomicroscopic examination found pulsating purulent discharge with blue mold material from the middle ear (Fig. 1A). The pulsating discharge was collected using a swab for the pus culture and antibiotic sensitivity test, which revealed MRSA. Temporal bone CT showed the soft tissue in the middle ear encasing the ossicle (Fig. 1C). Pure tone audiogram (PTA) showed moderate to severe mixed hearing loss in the right side and severe sensorineural hearing loss in the left side (Fig. 2A).

View Article: PubMed Central - PubMed

ABSTRACT

We report a case of methicillin-resistant Staphylococcus aureus (MRSA) otorrhea with impression material of hearing aid in the middle ear. The patient had chronic otitis media in the right ear with sensorineural hearing loss in both ears. The silicone flowed into the middle ear through a tympanic membrane perforation during the process of making an ear mold. Several days after hearing aid fitting, the patient had severe otalgia, intractable otorrhea, aggravated hearing loss, and dizziness. The pus culture and sensitivity test revealed MRSA. After topical treatment using diluted vinegar irrigation and ototopical vancomycin solution, intractable otorrhea was controlled. The infected silicone impression was removed by canal wall-up mastoidectomy, and hearing was saved. We present here a review of the literature regarding silicone impression in the middle ear after hearing aid mold fitting.

No MeSH data available.


Related in: MedlinePlus