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Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
Published on: February 6, 2021
Endophthalmitis due to Williamsia muralis
Ronan J Murray1, Max Aravena-Román2, Peter Kämpfer3
1Department of Microbiology and Infectious Diseases, PathWest Laboratory Services, Royal Perth Hospital, Wellington St, Perth, WA 6000, Australia.
Journal of Medical Microbiology
|September 26, 2007
Summary
A rare bacterium, Williamsia muralis, caused endophthalmitis after an eye injection for diabetic maculopathy. This is the first reported case linking W. muralis to this serious eye infection.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Microbiology
Background:
- Diabetic maculopathy is a common complication of diabetes mellitus, often treated with intravitreal injections.
- Intravitreal corticosteroid injections, such as triamcinolone acetonide, are used to reduce macular edema.
- Endophthalmitis is a severe intraocular inflammation, typically caused by bacterial or fungal infections.
Observation:
- A case of endophthalmitis developed after a patient received an intravitreal triamcinolone acetonide injection.
- The patient's eye infection was diagnosed and identified as being caused by Williamsia muralis.
Findings:
- Williamsia muralis was identified as the causative pathogen of endophthalmitis in this case.
- This represents the first documented instance of W. muralis causing endophthalmitis.
Implications:
- This finding expands the spectrum of microorganisms known to cause post-injection endophthalmitis.
- Clinicians should consider W. muralis in the differential diagnosis of endophthalmitis following intravitreal injections.
- Further research may be needed to understand the pathogenicity and prevalence of W. muralis in ocular infections.
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