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#509695 - 03/03/15 11:18 AM Retinopathy Linked to Hydroxychloroquine
MollyC1i Offline
Very_Addicted_to_AS_Kickin

Registered: 01/21/04
Posts: 9783
Loc: Brittany, France (since Nov 08...
http://www.rheumatologynetwork.com/lupus...=related_teaser

Hydroxychloroquine Retinopathy: Misunderstood, and Missed

Hydroxychloroquine Retinopathy: Misunderstood, and Missed

About half of patients taking hydroxychloroquine, which is used for lupus and rheumatoid arthritis, aren't tested appropriately for its blinding effects on the retina, says a review. However, the drug can be used safely, with fairly simple precautions. Read more…

March 02, 2015 | Lupus, Musculoskeletal Citations, Rheumatoid Arthritis
By Norman Bauman
Marmor MF, Melles RB. Hydroxychloroquine and the Retina. JAMA. 2015;313:847-848. doi:10.1001/jama.2014.14558

Hydroxychloroquine is not rare, but it should be, concludes this short review. Many people who take this standard medication, which is indicated for lupus and rheumatoid arthritis, are not seeing eye care professionals or getting the tests necessary to prevent permanent vision loss.

Among new users of this drug, fewer than half had a baseline examination within the first year, according to Nika et al., writing last October in JAMA Ophthalmology (Regular Examinations for Toxic Maculopathy in Long-term Chloroquine or Hydroxychloroquine Users). Among patients at high risk, one-third had no diagnostic testing at all during the five years of the study.

Patients under a rheumatologist’s care and those with higher education receive more screening. So patient understanding seems to be an important factor.

Some physicians have questioned whether screening for retinopathy is necessary or cost-effective, because reported toxicity is only about 1%. But the prevalence in long-term users is closer to 7.5%. Furthermore, the 1% toxicity was defined by “bulls-eye” maculopathy, which is a late and severe stage at which the patient is at high risk of losing vision.

Studies using more sensitive equipment can identify maculopathy before it reaches that stage.

Hydroxychloroquine can be safe. The requirements: Calculate the threshold dose correctly, and assure that patients receive regular screening from ophthalmologists using sensitive diagnostic tests to identify retinal damage by an early stage, when the risk is minimal.

- See more at: http://www.rheumatologynetwork.com/lupus...h.kpbfjpLP.dpuf

cat

Rheumatologists, GPs and physicians need to be made more aware of this link. Too inclined too be dismissive when their 'don't know' is the answer! Education is the name of the game.
_________________________
MollyC1i - Riding OutAS

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#509992 - 03/24/15 10:55 AM Re: Retinopathy Linked to Hydroxychloroquine [Re: MollyC1i]
ValsMum Offline
Steel_AS_Kicker

Registered: 07/05/10
Posts: 1183
Thank you Molly, very informative!
_________________________
Diet change has improved my RA. I feel best eating raw veggies and some fruits and avoiding grains, sugars, nightshades, beans and dairy. Sed rate dropped from 65 to 19, but it took over a year.
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