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Ocular infections caused by Providencia rettgeri
Aaleya F Koreishi1, Barry A Schechter, Carol L Karp
1Cornea and External Disease, Bascom Palmer Eye Institute, Miami, Florida 33136, USA.
Ophthalmology
|June 27, 2006
Summary
Providencia rettgeri, a rare gram-negative bacterium, can cause serious ocular infections like keratitis and endophthalmitis. Prompt diagnosis and targeted treatment are crucial for managing these infections and preventing vision loss.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Microbiology
Background:
- Providencia rettgeri is a gram-negative bacterium rarely implicated in human infections.
- Ocular infections caused by this organism are infrequently described in medical literature.
Purpose of the Study:
- To describe a series of patients presenting with ocular infections caused by Providencia rettgeri.
- To characterize the clinical presentation, risk factors, and outcomes associated with P. rettgeri ocular infections.
Main Methods:
- A retrospective case series design was employed.
- Patients with ocular infections yielding P. rettgeri on microbiology culture were identified.
- Clinical data, including patient history, risk factors, and treatment outcomes, were descriptively analyzed.
Main Results:
- Five cases of ocular infection with P. rettgeri were identified across two institutions.
- Infections included keratitis, dacryocystitis, conjunctivitis, and endophthalmitis.
- Potential risk factors identified were compromised ocular surface, urinary tract infections, hospitalization, and immunocompromised status. Antibiotic resistance was noted.
Conclusions:
- Providencia rettgeri, though uncommon, is a significant cause of ocular morbidity.
- Understanding patient attributes and risk factors is essential for ophthalmologists managing these infections.
- P. rettgeri should be recognized as a potential pathogen in ocular infections, guiding appropriate diagnostic and therapeutic strategies.