Comparison of pain during intravitreal dexamethasone, ranibizumab and aflibercept injection


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Abstract

BackgroundThis study aimed to compare pain scores of patients during intravitreal aflibercept, ranibizumab or dexamethasone implant injection procedures.MethodsThis study included 162 eyes of 162 patients, who received intravitreal ranibizumab, aflibercept or dexamethasone implant injections at our clinic. Following the injection, patients were asked to rate their pain from 0 (no pain) to 10 (worst pain) using a visual analogue pain score survey (VAS). VAS was evaluated according to age, sex, indication for the injection, number of previous intravitreal injections, and lens status in the study eye.ResultsThe mean VAS in the ranibizumab, aflibercept or dexamethasone implant groups was 3.38 ± 2.31, 3.82 ± 2.46, and 3.61 ± 2.94, respectively. Female patients reported a higher average pain score than male patients (p = 0.02). Also, phakic patients reported a higher average pain score than pseudophakic patients (p = 0.01). Pain did not significantly correlate with indication for the injection, number of injections, and injection drugs (p > 0.05).ConclusionPain associated with intravitreal injection is generally mild and associated with sex, age, and lens status. There was no significant difference in pain between intravitreal injections of dexamethasone implant, ranibizumab or aflibercept.

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