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Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis
Published on: February 6, 2021
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[Endophthalmitis]
1Klinik für Augenheilkunde, Medizinische Fakultät, Universitätsklinikum Freiburg, Killianstr. 5, 79106, Freiburg, Deutschland. thomas.ness@uniklinik-freiburg.de.
Summary
Endophthalmitis is a severe eye infection that can lead to blindness. Prompt diagnosis and treatment, including antibiotics and surgery, are crucial for preserving vision and the eyeball.
Area of Science:
- Ophthalmology
- Infectious Diseases
Background:
- Endophthalmitis is a severe intraocular infection with significant risks, including blindness or eyeball loss.
- It can arise exogenously (postoperative, posttraumatic) or endogenously, with cataract surgery and intravitreal injections being common causes of postoperative cases.
Purpose of the Study:
- To outline the clinical presentation, diagnostic methods, and treatment strategies for endophthalmitis.
- To highlight the impact of causative pathogens on patient prognosis.
Main Methods:
- Clinical diagnosis based on symptoms (pain, vision loss) and signs (hypopyon, vitreous infiltration, absent red reflex).
- Diagnostic support through microbiological cultures and PCR from ocular samples.
- Treatment involves a multimodal approach: intravitreal, systemic, and topical antibiotics, anterior chamber lavage, and vitrectomy.
Main Results:
- Causative pathogens significantly influence the prognosis of endophthalmitis.
- Infections by coagulase-negative staphylococci and Candida spp. generally have a favorable outcome.
- Infections by Streptococcus spp., Bacillus spp., and Aspergillus spp. are associated with an unfavorable prognosis.
Conclusions:
- Early clinical recognition and microbiological confirmation are key for effective endophthalmitis management.
- A combination of medical and surgical interventions is necessary for treating this severe intraocular infection.
- Understanding the specific pathogen is critical for predicting and managing patient outcomes.

