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KMID : 1038520210430010097
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Epidemiology and Health
2021 Volume.43 No. 1 p.97 ~ p.97
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Real-world incidence of endopthalmitis after intravitreal anti-VEGF injections in Korea: findings from the Common Data Model in ophthalmology
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Mun Yong-Seok
You Seng-Chan
Lee Da-Yun
Kim Seok
Chung Yoo-Ri
Lee Ki-Hwang
Song Ji-Hun
Park Young-Gun
Park Young-Hoon
Roh Young-Jung
Woo Se-Joon
Park Kyu-Hyung
Park Rae-Woong
Yoo Soo-Young
Chang Dong-Jin
Park Sang-Jun
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Abstract
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OBJECTIVES: The aim of this study was to evaluate the real-world incidence of endophthalmitis after intravitreal anti-vascular endothelial growth factor (VEGF) injections using data from the Observational Medical Outcomes Partnership (OMOP) Common Data Model (CDM).
METHODS: Patients with endophthalmitis that developed within 6 weeks after intravitreal anti-VEGF injections were identified in 3 large OMOP CDM databases.
RESULTS: We identified 23,490 patients who received 128,123 intravitreal anti-VEGF injections. The incidence rates of endophthalmitis were 15.75 per 10,000 patients and 2.97 per 10,000 injections. The incidence rates of endophthalmitis for bevacizumab, ranibizumab, and aflibercept (per 10,000 injections) were 3.64, 1.39, and 0.76, respectively. The annual incidence has remained below 5.00 per 10,000 injections since 2011 despite the increasing number of intravitreal anti-VEGF injections. Bevacizumab presented a higher incidence rate for endophthalmitis than ranibizumab and aflibercept (incidence rate ratio, 3.17; p=0.021).
CONCLUSIONS: The incidence of endophthalmitis after intravitreal anti-VEGF injections has stabilized since 2011 despite the explosive increase in anti-VEGF injections. The off-label use of bevacizumab accounted for its disproportionately high incidence of endophthalmitis. The OMOP CDM, which includes off-label uses, laboratory data, and a scalable standardized database, could provide a novel strategy to reveal real-world evidence, especially in ophthalmology.
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KEYWORD
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Anti-vascular endothelial growth factor, Endophthalmitis, Intravitreal injections, Common Data Model
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