Psoriatic arthritis may be strongly associated with sleep disturbance, study indicates.
(1/30, McDermid) reports, "The presence of psoriatic arthritis is the factor most strongly associated with sleep disturbance in patients with psoriasis," according to a study published in the
Journal of the American College of Dermatology
. For the study, Kristina Callis Duffin, of the University of Utah, and colleagues, examined "the responses of 420 psoriasis patients to a questionnaire." They found that "about half of the patients said that psoriasis had interfered with their sleep during the past month, with 10.5 percent reporting more than 15 disturbed nights." Notably, "a history of psoriatic arthritis increased the likelihood of sleep disturbance 3.26 fold after accounting for confounders." Among other factors that were "significantly associated with sleep disturbance were itching, pain and soreness, and psoriasis having an emotional impact." The authors point out that their work is of note because "sleep deprivation is considered a public health threat, as daytime fatigue and sleepiness contribute to lost productivity, workplace and driving accidents, and risk of depression." Therefore, "physicians treating patients with psoriatic disease need to incorporate this life-altering comorbidity into their assessment of disease and selection of treatment."
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