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  • Title: Rapid treatment of endophthalmitis with intravitreal antibiotics is associated with better vision outcomes.
    Author: Michael E, Welch S, Niederer RL.
    Journal: Clin Exp Ophthalmol; 2023 Mar; 51(2):137-143. PubMed ID: 36309959.
    Abstract:
    BACKGROUND: To discover whether the timing of intravitreal antibiotics, from the time of presentation to injection, affects the visual outcomes of patients with endophthalmitis from all causes. METHODS: A retrospective study of consecutive patients managed at Auckland District Health Board between 1 January 2004 and 1 July 2021. The main outcome measure was final visual acuity at follow-up and the proportion of subjects with severe vision loss (≤6/60). RESULTS: Three hundred and seventy-four eyes were included in the study, with a median age of 69.7 years at presentation; 192 subjects (51.6%) were female. The median presenting visual acuity was hand movements and hypopyon was present in 194 subjects (51.9%). Cataract surgery was the most frequent aetiology in 115 subjects (30.7%), followed by intravitreal anti-vascular endothelial growth factor injections in 89 subjects (23.8%) and endogenous endophthalmitis in 54 subjects (14.4%). Median time to injection of intravitreal antibiotics was 3.5 h (Interquartile range 2-6). On multivariate analysis, early treatment with intravitreal antibiotics was associated with better visual outcome, particularly for those treated within 2 h, while poor presenting visual acuity and culture-positive endophthalmitis were associated with worse outcomes. CONCLUSION: Rapid intravitreal antibiotic administration is associated with better final visual acuity outcomes, particularly for those receiving treatment within 2 h of presentation. Patients with severe vision loss on presentation, benefit the most with improved final visual acuity following expedited treatment.
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