Analysis Finds Elevated Risk of Psoriasis, Psoriatic Arthritis in Patients With Uveitis
Taiwanese patients with uveitis were shown to be at greater risk of developing psoriasis and psoriatic arthritis than the general population, and hypertension, diabetes, and obesity were more prominent in these populations as well.
Patients with
As an intraocular inflammatory disease, uveitis was noted by researchers to share a similar pathogenesis to that of
In prior research investigating the link between the 2 conditions, conflicting findings have shown an inverse risk of uveitis in patients with psoriasis, with uveitis also independently associated with psoriasis severity.
As one of the first studies to assess the risk of subsequent psoriasis and
“Very few studies have been conducted with a cohort, directional approach from uveitis to psoriasis, and most of the studies to date have been performed in Western countries,” noted the study authors.
In the study, data were collected from 195,125 patients with new-onset uveitis between 2001 and 2013 and compared with 390,250 randomly selected people of the general population matched for age, sex, and year of enrollment at a 1:2 ratio. The mean (SD) age of the overall study cohort was 50.2 (17.2) years.
Risk of psoriasis or psoriatic arthritis corresponding to uveitis was assessed via multivariate Cox regression analysis, with separate subgroup analyses conducted to examine risk for mild psoriasis, severe psoriasis, and psoriatic arthritis, and by uveitis type (anterior, intermediate, posterior, panuveitis).
Notably, comorbidities known to correlate positively with psoriasis severity, including hypertension, diabetes, hyperlipidemia, and obesity, were found to be more prevalent in the uveitis group (all P < .0001).
After adjusting for age, sex, insurance cost, and comorbidities, patients with uveitis were shown to be 41% more likely to develop psoriasis or psoriatic arthritis than the general population (adjusted HR [aHR], 1.41; 95% CI, 1.33-1.48; P < .0001). All types of uveitis were significantly associated with a greater risk of psoriasis or psoriatic arthritis development.
Moreover, an increasing trend in risk was observed by severity from mild psoriasis (aHR, 1.35; 95% CI, 1.28-1.44) to severe psoriasis (aHR, 1.59; 95% CI, 1.30-1.94), with risk of psoriatic arthritis also significant in patients with uveitis (aHR, 1.97; 95% CI, 1.60-2.42).
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Reference
Chen YY, Chen HH, Lo TC, Chou P. The risk of psoriasis in patients with uveitis: a nationwide population-based cohort study. PLoS One. Published online August 2, 2021. doi:10.1371/journal.pone.0255492
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