A high prevalence of vitamin D insufficiency and deficiency between patients with psoriatic arthritis has been identified in a new research. Seasonal variation in vitamin D levels was not experiential in patients in southern or northern locations. The findings available today in Arthritis Care & Research, a journal of the American College of Rheumatology (ACR), also show no association stuck between disease activity and vitamin D level.
Psoriasis is a general chronic skin disorder, likely cause by an autoimmune response, and is characterized by red scaly patches on the surface of the skin. When accompany by inflammatory arthritis the condition is known as psoriatic arthritis (PsA)-a disease gaining community attention with the recent diagnosis of professional golfer, Phil Mickelson. Studies propose that psoriasis occurs in up to 3% of the world population and approximately one third of these patients have PsA with prevalence estimate ranging from 6% to 42%.
"Vitamin D deficiency is a widespread concern," explains guide study author Dafna Gladman, MD, FRCPC, Director of the University of Toronto Psoriatic Arthritis Clinic in Canada. "And it is more general to see individuals’ living in Northern regions with a deficiency in vitamin D than in persons who reside in Southern areas." Medical evidence show that vitamin D deficiency is more general in individuals living at higher latitudes during the winter, suggesting the deficiency is a result of condensed sun exposure. Furthermore, several studies contain report reduced levels of vitamin D in patients with autoimmune diseases such as rheumatoid arthritis, universal lupus erythematosus, and scleroderma.
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