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Published on: September 13, 2016
Acute Retinal Necrosis: Is The Current Valacyclovir Regimen Adequate?
Gabrielle Senter1, Heloisa Moraes Do Nascimento1, Rubens Belfort1
1Department of Ophthalmology and Visual Sciences, Federal University of São Paulo , São Paulo, Brazil.
Acute Retinal Necrosis (ARN) is a severe uveitis requiring antiviral treatment. This letter questions the standard oral Valacyclovir dosage for ARN, citing an unresponsive case. Further research into optimal dosing is needed.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Virology
Background:
- Acute Retinal Necrosis (ARN) is a severe intraocular inflammatory condition.
- ARN is typically caused by herpes simplex virus (HSV) or varicella-zoster virus (VZV).
- Antiviral therapy is the cornerstone of ARN management.
Observation:
- The current standard of care involves oral antiviral medications, commonly Valacyclovir.
- A recent case of ARN presented with unresponsiveness to standard oral Valacyclovir treatment.
- This observation suggests potential limitations of the current dosing regimen.
Findings:
- The efficacy of standard oral Valacyclovir doses in ARN may be insufficient in certain cases.
- Treatment resistance in ARN warrants a re-evaluation of therapeutic strategies.
- Dosage optimization or alternative treatment protocols may be necessary.
Implications:
- This case highlights the need for further investigation into optimal Valacyclovir dosing for ARN.
- Clinical guidelines may require revision to address treatment-resistant ARN.
- Improved treatment protocols could lead to better visual outcomes for ARN patients.
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