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Emerging Antibiotic Resistance Patterns Affect Visual Outcome Treating Acute Endophthalmitis.


ABSTRACT:

Background

Examining the effect of antibiotic resistance, use of intravitreal antibiotics and systemic corticosteroids on visual outcome of eyes with acute endophthalmitis.

Methods

We included 226 eyes with acute endophthalmitis, treated using a standardized protocol. Visual outcome up to 12 months was assessed related to biopsy results, antibiotics resistance and treatment regimens.

Results

Vitreous biopsies were more likely to be culture-positive (41.1%) than anterior chamber biopsies (21.6%, p < 0.0001). Antibiotic resistance for amikacin was found in 19 eyes (24.7%), vancomycin in 29 eyes (31.5%) and moxiflocacin in 14 eyes (16.1%). At presentation 91.53% of eyes had BCVA < 20/40, reducing by 1 month to 69.94% (p < 0.0001) and remaining stable at 12 months. There was no difference in visual outcome for those receiving early systemic corticosteroids. Endophthalmitis following cataract surgery (OR 1.66, 1.04-2.66 95% CI, p = 0.03) and receiving intravitreal vancomycin (OR 3.15, 1.18-8.42 95% CI, p = 0.02) were associated with a greater chance of final BCVA ≥ 20/40.

Conclusion

Using vitreous taps with intravitreal antibiotics, despite an increase in resistance to both vancomycin and moxifloxacin, results in a final BCVA > 20/200 in half of eyes and ≥20/40 in a third. Early treatment with intravitreal antibiotics should not be delayed.

SUBMITTER: Wu XN 

PROVIDER: S-EPMC9311540 | biostudies-literature |

REPOSITORIES: biostudies-literature

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