Abstract
ObjectiveTo evaluate the rate of acute endophthalmitis after resident-performed intravitreal bevacizumab (IVB) injections and to compare the results with those performed by attending retina surgeons. DesignRetrospective comparative case series. ParticipantsEight thousand thirty-seven patients treated with intravitreal injection of bevacizumab. MethodsA retrospective chart review of the resident-performed IVB injections at Rassoul Akram Hospital and attending-performed IVB injections at a private eye clinic between 2011 and 2014 was undertaken. Cases of clinical endophthalmitis were identified. ResultsDuring the study interval, the overall incidence rate of postinjection endophthalmitis was 0.01% (1/8037). Antibiotic eye drops were prescribed after IVB injection for 2771 eyes (34.5%). The single case of acute endophthalmitis occurred after a resident-performed injection, and vitreous culture showed growth of Staphylococcus epidermidis. The incidence rate of acute endophthalmitis after resident-performed IVB injection was 0.02% (1/4921). No statistically significant difference was found in the rates of endophthalmitis between resident-performed and attending-performed injections (p = 1). Also, the difference in the rates of endophthalmitis between those receiving postinjection antibiotics and those who did not was not statistically significant (p = 0.3). ConclusionsThe risk for endophthalmitis after resident-performed IVB injection is low and similar to that of the supervising surgeons performing the procedure.
Published Version
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