alexa Acute endophthalmitis following intravitreal triamcinolone acetonide injection
Microbiology

Microbiology

Clinical Microbiology: Open Access

Author(s): Darius M Moshfeghi, Peter K Kaiser, Ingrid U Scott, Jonathan E Sears, Matthew Benz

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PURPOSE: To report the clinical features, causative organisms, management, and visual acuity outcomes of eight eyes of eight patients who developed acute postoperative endophthalmitis following intravitreal injection of triamcinolone acetonide (IVTA). DESIGN: Retrospective, multicenter, interventional, case series. METHODS: A retrospective, interventional, case series of all patients with acute postoperative endophthalmitis following IVTA at seven academic clinical centers between March 2001 and July 2002. RESULTS: A total of 922 IVTAs were performed. Eight eyes of eight patients with acute postoperative endophthalmitis were identified in the 6 weeks following IVTA for an incidence of 0.87% (95% confidence interval of 0.38% to 1.70%). The median time to presentation was 7.5 days (range, 1-15 days) after IVTA. The most common clinical findings were iritis (n = 8), vitritis (n = 8), hypopyon (n = 8), pain (n = 7), red eye (n = 6), and decreased vision (n = 5). The median presenting visual acuity was 20/1127 (range, 20/60 to light perception). Initial treatment consisted of vitreous tap and injection of antibiotics (n = 6) or pars plana vitrectomy and injection of intravitreal antibiotics (n = 2). Intraocular cultures yielded identification in seven patients. One demonstrated intracellular gram-positive cocci in chains with numerous polymorphonuclear cells on gram stain. The median postinfection vision was 20/400 (range, 20/40 to no light perception). Three patients ended up with no light perception visual acuity, including enucleation (n = 1) and phthisis (n = 1). CONCLUSIONS: Acute postoperative endophthalmitis following IVTA occurs rapidly and can result in severe loss of vision.

This article was published in Am J Ophthalmol and referenced in Clinical Microbiology: Open Access

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