Comparison of Two Anesthetic Methods for Intravitreal Ozurdex Injection

Purpose. To determine whether subconjunctival lidocaine injection maintains additional anesthetic effect during intravitreal Ozurdex injection. Methods. 63 patients who were diagnosed as central or branch retinal vein occlusion and planned to receive Ozurdex injection for macular edema were prospectively included in the study. The patients were randomized into one of the two anesthetic groups. The first group received topical proparacaine drop and lidocaine applied pledget. The second group received subconjunctival lidocaine injection in addition to the anesthetics in group 1. Results. Mean pain score was 1.90±2.39 in group 1 and 1.71 ± 2.09 in group 2 (p=0.746). Mean subconjunctival hemorrhage grade was 1.67±0.17 in group 1 and 0.90±0.14 in group 2 (p=0.001). There was no relationship between the amount of subconjunctival hemorrhage and pain score of the patients. Conclusions. There was no difference in pain scores between the two anesthetic methods. The addition of subconjunctival lidocaine injection offered no advantage in pain relief compared to lidocaine-applied pledgets.

Abstract licence: CC BY

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