Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 2018
Oxymetazoline: reduction of subconjunctival hemorrhage incidence after intravitreal injections.
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Gonzalez-Saldivar Gerardo, Pita-Ortiz Ingrid Yazmin, Flores-Villalobos Erick Omar, Jaurrieta-Hinojos Jesús Noel, Espinosa-Soto Itzel, Rios-Nequis Geovanni, Ramirez-Estudillo Abel, Jimenez-Rodriguez Martin
Аннотация
OBJECTIVE: Subconjunctival hemorrhage (SCH) is an important minor side effect that might affect patient compliance to antivascular endothelial growth factor (anti-VEGF) intravitreal injection treatment (IVI). We sought to compare SCH incidence and pain score responses after topical oxymetazoline in naïve patients undergoing a single IVI of ranibizumab for diabetic macular edema.
METHODS: Prospective, randomized, double-blinded, single centre study. One hundred two patients naïve to anti-VEGF were assigned to receive either topical oxymetazoline or placebo 30 minutes before IVI. SCH incidence and area were measured by slit lamp 24 hours after, and pain was evaluated 5 minutes and 24 hours after.
RESULTS: SCH incidence was reported on 72% in control group versus 51% in oxymetazoline group (p = 0.037). Mean size of SCH was 16.82 mm2 in control group versus 12.55 mm2 in oxymetazoline group (p = 0.394). Prevalence of local pain in the overall study population was 60%. No significant statistical difference was achieved between groups 5 minutes or 24 hours after IVI in either pain scale evaluation.
CONCLUSION: Administration of topical oxymetazoline 30 minutes before IVI is a single, harmless, cost-effective intervention that decreases the incidence of subconjunctival hemorrhage. This may considerably improve patient treatment satisfaction and promote compliance to IVI therapy.
METHODS: Prospective, randomized, double-blinded, single centre study. One hundred two patients naïve to anti-VEGF were assigned to receive either topical oxymetazoline or placebo 30 minutes before IVI. SCH incidence and area were measured by slit lamp 24 hours after, and pain was evaluated 5 minutes and 24 hours after.
RESULTS: SCH incidence was reported on 72% in control group versus 51% in oxymetazoline group (p = 0.037). Mean size of SCH was 16.82 mm2 in control group versus 12.55 mm2 in oxymetazoline group (p = 0.394). Prevalence of local pain in the overall study population was 60%. No significant statistical difference was achieved between groups 5 minutes or 24 hours after IVI in either pain scale evaluation.
CONCLUSION: Administration of topical oxymetazoline 30 minutes before IVI is a single, harmless, cost-effective intervention that decreases the incidence of subconjunctival hemorrhage. This may considerably improve patient treatment satisfaction and promote compliance to IVI therapy.