Visual field changes with plaquenil

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  1. Zhanat Well-Known Member

    Visual field changes with plaquenil


    The most common side effect associated with its use is retinal toxicity, which may be irreversible. Therefore, it is pertinent to know the findings, risk factors, and screening tests necessary to prevent retinal damage.

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    One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Central threshold automated visual fields with a white target • Subtle, repeatable visual field defectsshould be taken seriously and are an indication to do objective testing At least one of the following objective tests should be performed during routine screening if available19 Nov 01, 2015 In many cases, the diagnosis of HCQ retinal toxicity was delayed when visual field tests were dismissed as “nonspecific.” Therefore, an abnormal visual field should first be repeated. If consistent changes are confirmed, one or more of the objective tests discussed below should be performed.

    During the first five years of use, the rate of toxicity was found to be 0.7%, rising significantly to more than 1% after five to seven years of use. The prevalence of retinal toxicity has varied among different studies.

    Visual field changes with plaquenil

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  7. Visual fields. In early cases of Plaquenil toxicity, an early indicator of damage is the appearance of a paracentral scotoma seen on automated visual field testing in the absence of fundus changes. 18 Each of the testing strategies can be used to detect early toxicity changes, but the presentation of the visual field effects will vary. Due to the central area being depressed in the 24-2 and 30-2 testing strategies, it is difficult to discern the central 2-degree field of sparing seen in the.

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    Dec 04, 2014 Visual fields. The subjective component to HCQ retinopathy screening is an automated visual field testing the central 10° of vision. The earliest signs of HCQ retinopathy on a central visual field may present as a cluster of paracentral points with decreased sensitivity. These points may be only mildly depressed. Apr 20, 2011 Although the incidence of macular toxicity is infrequent with Plaquenil use at a dosage of 200mg or 400mg q.d. its visual impact can be devastating. 2,3. The associated classic retinal toxicity is described as a bull’s eye maculopathy ring of depigmented retinal pigment epithelium that spares the foveal area. Section was added to the Plaquenil drug label with information regarding use with digoxin, insulin or diabetic drugs, drugs that prolong QT interval and other arrhythmogenic drugs, mefloquine and other drugs known to lower the convulsive threshold, antiepileptics, methotrexate, cyclosporine, Biltricide.

     
  8. mitsuka New Member

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  9. promo17 New Member

    Hydroxychloroquine treatment for primary Sjögren’s syndrome. After hydroxychloroquine treatment a statistically significant improvement in ESR, serum CRP, and serum γ globulin values p 0.05 was seen table 1. No change was detected in other haematological, biochemical or serological tests.

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