Background: To evaluate the association between COVID-19 vaccination and retinal vein occlusion (RVO). Methods: This multicentre self-controlled case series included patients with RVO seen in five tertiary referral centres in Italy. All adults who received at least one dose of the BNT162b2, ChAdOx1 nCoV-19, mRNA-1273 or Ad26.COV2.S vaccine and had a first diagnosis of RVO between January 01, 2021, and December 31, 2021 were included. Incidence rate ratios (IRRs) of RVO were estimated using Poisson regression, comparing rates of events in a 28-day period following each dose of vaccination and in the unexposed control periods. Results: 210 patients were included in the study. No increased risk of RVO was observed after the first dose (1-14 days IRR: 0.87, 95% CI: 0.41-1.85; 15-28 days IRR: 1.01, 95% CI: 0.50-2.04; 1-28 days IRR: 0.94, 95% CI: 0.55-1.58) and second dose of vaccination (1-14 days IRR: 1.21, 95% CI: 0.62-2.37; 15-28 days IRR: 1.08, 95% CI: 0.53-2.20; 1-28 days IRR: 1.16, 95% CI: 0.70-1.90). No association between RVO and vaccination was found in subgroup analyses by type of vaccine, gender and age. Conclusions: This self-controlled case series found no evidence of an association between RVO and COVID-19 vaccination.
Risk of retinal vein occlusion following COVID-19 vaccination: a self-controlled case series / Pellegrini, Marco; Carnevali, Adriano; Fiore, Tito; Cagini, Carlo; De Palma, Antonella; Fontana, Luigi; Lupardi, Enrico; Cassini, Federico; Bacherini, Daniela; Giansanti, Fabrizio; Giannaccare, Giuseppe; Scorcia, Vincenzo; Vaccaro, Sabrina; Ciarmatori, Nicolò; D'Angelo, Sergio; Parmeggiani, Francesco; Mura, Marco. - In: EYE. - ISSN 1476-5454. - ELETTRONICO. - (2023), pp. 1-4. [10.1038/s41433-023-02459-2]
Risk of retinal vein occlusion following COVID-19 vaccination: a self-controlled case series
Bacherini, Daniela;Giansanti, Fabrizio;Parmeggiani, Francesco;
2023
Abstract
Background: To evaluate the association between COVID-19 vaccination and retinal vein occlusion (RVO). Methods: This multicentre self-controlled case series included patients with RVO seen in five tertiary referral centres in Italy. All adults who received at least one dose of the BNT162b2, ChAdOx1 nCoV-19, mRNA-1273 or Ad26.COV2.S vaccine and had a first diagnosis of RVO between January 01, 2021, and December 31, 2021 were included. Incidence rate ratios (IRRs) of RVO were estimated using Poisson regression, comparing rates of events in a 28-day period following each dose of vaccination and in the unexposed control periods. Results: 210 patients were included in the study. No increased risk of RVO was observed after the first dose (1-14 days IRR: 0.87, 95% CI: 0.41-1.85; 15-28 days IRR: 1.01, 95% CI: 0.50-2.04; 1-28 days IRR: 0.94, 95% CI: 0.55-1.58) and second dose of vaccination (1-14 days IRR: 1.21, 95% CI: 0.62-2.37; 15-28 days IRR: 1.08, 95% CI: 0.53-2.20; 1-28 days IRR: 1.16, 95% CI: 0.70-1.90). No association between RVO and vaccination was found in subgroup analyses by type of vaccine, gender and age. Conclusions: This self-controlled case series found no evidence of an association between RVO and COVID-19 vaccination.File | Dimensione | Formato | |
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