Abstract
PurposeIn this study, we evaluated the incidence and clinical characteristics of post-vitrectomy acute endophthalmitis in a tertiary eye center.MethodsData were obtained by reviewing the patients’ medical records who underwent primary pars plana vitrectomy (PPvitx) from September 2011 to March 2017. We excluded patients who had any ocular surgery in the past 6 months, immunocompromised patients, and patients with a pre-operative diagnosis of endophthalmitis. The primary outcome was the incidence of acute post-pars plana vitrectomy endophthalmitis.ResultsOut of 6474 cases who underwent PPvitx, 12 cases of endophthalmitis (incidence rate of 0.18%) were identified. We found two positive cultures for staphylococcus epidermidis and one positive culture for staphylococcus aureus. Underlying causes of primary vitrectomy in patients who got endophthalmitis were diabetic retinopathy (8 cases), rhegmatogenous retinal detachment (2 cases), and the epiretinal membrane (1 case), and non-clearing vitreous hemorrhage secondary to central retinal vein occlusion (1 case).ConclusionIn the present study, the rate of post-vitrectomy acute endophthalmitis was higher than in other reported studies.
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