Incidence and clinical characterization of retinal detachment in acute retinal necrosis: a global federated database analysis
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By
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Donovin Thompson
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Sidra Zafar
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Meghan Berkenstock
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June 8, 2026
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Clinical Scorecard: Global Analysis of Retinal Detachment Incidence and Clinical Features in Acute Retinal Necrosis Using a Federated Database
At a Glance
| Category | Detail |
| Condition | Acute Retinal Necrosis (ARN) |
| Key Mechanisms | Peripheral retinal necrosis, occlusive vasculitis, vitritis |
| Target Population | Patients diagnosed with ARN |
| Care Setting | Multi-institutional electronic health record database |
Key Highlights
- Overall incidence of retinal detachment (RD) following ARN is 12.49%
- 60.5% of RD cases occur within the first 3 months post-ARN diagnosis
- No significant differences in RD incidence based on age, sex, diabetes status, or immunosuppression
- Aggressive combination therapy does not eliminate the risk of RD
- Close ophthalmic monitoring is crucial during the first 3 months after ARN diagnosis
Guideline-Based Recommendations
Diagnosis
- Identify ARN using ICD-10 codes (H30.13, H30.131, H30.132, H30.133, H30.139)
Management
- Consider systemic corticosteroids, oral valacyclovir, and/or intravitreal foscarnet for severe cases
Monitoring & Follow-up
- Monitor patients closely for RD within the first 3 months post-ARN diagnosis
Risks
- RD occurs frequently despite treatment; should be interpreted as a proxy of disease severity
Patient & Prescribing Data
1,785 patients diagnosed with ARN from a large EHR database
Treatment patterns included oral valacyclovir, intravenous acyclovir, and corticosteroids
Clinical Best Practices
- Utilize a multi-institutional database for comprehensive analysis of ARN outcomes
- Perform propensity score matching to reduce baseline differences in cohorts
- Evaluate treatment exposure as proxies of disease severity rather than independent risk factors
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