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Polymicrobial keratitis in an HIV-positive patient
Radhika Tandon1, Rasik B Vajpayee, Vishal Gupta
1Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India. radhika_tan@yahoo.com
Indian Journal of Ophthalmology
|April 19, 2003
Summary
This case study highlights a non-responding corneal ulcer in an HIV-positive patient. Acanthamoeba was identified as one of the causative microorganisms in this polymicrobial infection.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Microbiology
Background:
- Corneal ulcerations can be sight-threatening, particularly in immunocompromised individuals.
- Polymicrobial infections present diagnostic and therapeutic challenges.
- Human Immunodeficiency Virus (HIV) infection is associated with an increased risk of various opportunistic infections, including ocular manifestations.
Observation:
- A case of spontaneous corneal ulceration in an HIV-positive patient is presented.
- The ulcer was non-responding to initial treatments, suggesting a complex etiology.
- Multiple microorganisms were isolated from the corneal ulcer.
Findings:
- Acanthamoeba species was identified as one of the causative agents in the polymicrobial corneal ulcer.
- The presence of Acanthamoeba in a non-responding corneal ulcer in an HIV-positive patient is a significant finding.
- This underscores the importance of considering diverse pathogens in atypical presentations.
Implications:
- Early and accurate diagnosis of Acanthamoeba keratitis is crucial for effective treatment and visual preservation.
- This case highlights the need for comprehensive microbiological investigation in non-resolving corneal ulcers, especially in immunocompromised patients.
- Further research may elucidate the specific interactions between HIV status, polymicrobial flora, and Acanthamoeba in corneal infections.