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Endophthalmitis: Microbiology and Organism Identification Using Current and Emerging Techniques
Christine L Tan1,2, Harsha Sheorey3, Penelope J Allen1,2,4
1Macular Research Unit, Centre for Eye Research Australia, East Melbourne, Australia.
Ocular Immunology and Inflammation
|February 24, 2022
Summary
Diagnosing endophthalmitis (eye infection) is challenging, as traditional methods often fail. Newer molecular techniques like polymerase chain reaction (PCR) and next-generation sequencing (NGS) show promise for improved identification and outcomes.
Area of Science:
- Ophthalmology
- Microbiology
- Molecular Diagnostics
Background:
- Endophthalmitis is an urgent ocular condition demanding rapid diagnosis and treatment.
- Current gold standard microbiological methods (Gram stain, culture) have limitations, leading to culture-negative cases.
- Culture-negative endophthalmitis may stem from non-infectious causes, novel pathogens, or prior antibiotic use.
Approach:
- This review examines the microbiological landscape of endophthalmitis.
- It discusses current diagnostic techniques and introduces advanced molecular methods.
- Focuses on polymerase chain reaction (PCR) and next-generation sequencing (NGS) as emerging diagnostic tools.
Key Points:
- Molecular techniques (PCR, NGS) offer enhanced organism identification rates in endophthalmitis.
- These advanced methods represent a significant advancement for diagnosing infectious diseases.
- Practical challenges for implementing these techniques in Australian clinical diagnostic laboratories are highlighted.
Conclusions:
- Polymerase chain reaction (PCR) and next-generation sequencing (NGS) hold potential to improve endophthalmitis diagnosis.
- These molecular tools could lead to better clinical outcomes in infectious eye diseases.
- Addressing laboratory challenges is crucial for the clinical adoption of these novel diagnostic approaches.
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