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Related Experiment Videos

The EOG in rheumatoid arthritis.

A Pinckers, R M Broekhuyse

    Acta Ophthalmologica
    |October 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Subnormal electroretinography (EOG) occurs in 20% of rheumatoid arthritis patients. EOG is not ideal for detecting early chloroquine retinopathy due to potential worsening of rheumatoid arthritis.

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    Area of Science:

    • Ophthalmology
    • Rheumatology
    • Pharmacology

    Background:

    • Rheumatoid arthritis (RA) is an autoimmune disease.
    • Chloroquine is an antimalarial drug with potential ocular toxicity.
    • Electroretinography (EOG) measures retinal function.

    Observation:

    • 20% of untreated RA patients exhibit reduced EOG Lp/Dt ratios.
    • EOG abnormalities are more pronounced in chronic chloroquine retinopathy.
    • RA-associated subnormal EOG may stem from autoimmune reactions targeting retinal pigments.

    Findings:

    • Chloroquine-induced retinopathy progression involves maculopathy and tapetoretinal degeneration.
    • Discontinuing antimalarials in suspected early retinopathy can exacerbate RA and further impair EOG.

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  • EOG subnormality is not a reliable indicator for early chloroquine retinopathy detection.

    • Implications:

    • EOG may not be suitable for early detection of chloroquine retinopathy in RA patients.
    • Careful monitoring is needed when managing RA patients on antimalarial therapy.
    • Further research into autoimmune mechanisms in RA-related retinopathy is warranted.