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ENDOPHTHALMITIS AFTER RETINAL SURGERY: A 8-Year Medicare Analysis
Sidra Zafar1, Chen Dun2, Cindy X Cai1
1The Department of Ophthalmology, Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland.
Retina (Philadelphia, Pa.)
|June 2, 2025
Summary
The incidence of endophthalmitis after retina surgery is 0.28%, with higher risks in older patients and those with complex conditions. Surgeon factors did not influence endophthalmitis risk.
Area of Science:
- Ophthalmology
- Retina Surgery
- Infectious Disease
Background:
- Postoperative endophthalmitis is a serious complication following intraocular surgery.
- Understanding risk factors is crucial for prevention and improving patient outcomes.
Purpose of the Study:
- To determine the incidence of endophthalmitis in Medicare beneficiaries undergoing retina surgery.
- To identify patient and surgeon-related risk factors for postoperative endophthalmitis.
Main Methods:
- Retrospective analysis of Medicare beneficiaries from 2016-2022.
- Exclusion criteria included prior endophthalmitis, recent intraocular procedures, or injections.
- Multivariable logistic regression analyzed factors associated with endophthalmitis within 42 days of surgery.
Main Results:
- Overall endophthalmitis incidence was 0.28% (1,019 cases out of 369,471 procedures).
- Higher risks observed for patients aged ≥85, Charlson Comorbidity Index ≥3, macular surgery, and complex retinal detachment repair.
- Concurrent cataract surgery was linked to a decreased risk.
Conclusions:
- The incidence of endophthalmitis following retina surgery is low but significant.
- Patient factors like age and comorbidities, along with surgical indication, are key risk factors.
- No association was found between surgeon characteristics and endophthalmitis risk.
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