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Article

The Assessment of Risk and Predictors of Sleep Disorders in Patients with Psoriasis—A Questionnaire-Based Cross-Sectional Analysis

1
Department of Dermatology and Venereology, Medical University of Bialystok, Zurawia 14 St, 15-540 Bialystok, Poland
2
Pittsburgh Heart, Lung and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15260, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Marcus Schmitt-Egenolf
J. Clin. Med. 2021, 10(4), 664; https://doi.org/10.3390/jcm10040664
Received: 14 January 2021 / Revised: 4 February 2021 / Accepted: 5 February 2021 / Published: 9 February 2021
(This article belongs to the Section Dermatology)
Psoriasis is a chronic, inflammatory skin disease affecting 2–4% of the general population. Accompanying subjective symptoms (pruritus or pain) may cause decreased life quality including sleep disorders (SD). Sixty psoriatic patients fulfilled the following questionnaires: Pittsburgh Sleep Quality Index (PSQI), STOP BANG for the obstructive sleep apnea syndrome (OSAS) assessment, and Restless Legs Syndrome (RLS) Severity Scale. Patients’ laboratory and clinical data were also investigated. All data obtained were compared to 40 participants without dermatoses. Mean PSQI, risk of OSAS, and RLS severity of psoriatics were significantly higher than in controls (p < 0.0001, p < 0.05, p < 0.05 respectively). There was a positive correlation between the time of suffering from psoriasis and the risk of OSAS (R = 0.286, p < 0.05). We did not observe any significant relationship between PSQI, risk of OSAS, or RLS and psoriasis severity assessed with PASI (Psoriasis Area and Severity Index). We identified four possible predictors of RLS: glucose, CRP and total cholesterol concentrations, and PSQI. SD are significantly more frequent in psoriatics than in people without chronic dermatological diseases but surprisingly they are not correlated with psoriasis severity. SD decrease patients’ life quality and may result in serious consequences. Therefore, establishing recommendations concerning screening for SD and their predictors should be considered. View Full-Text
Keywords: sleep disorders; psoriasis; obstructive sleep apnea syndrome; restless legs syndrome; Pittsburgh sleep quality index; PSQI; STOP BANG; RLS sleep disorders; psoriasis; obstructive sleep apnea syndrome; restless legs syndrome; Pittsburgh sleep quality index; PSQI; STOP BANG; RLS
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MDPI and ACS Style

Nowowiejska, J.; Baran, A.; Lewoc, M.; Grabowska, P.; Kaminski, T.W.; Flisiak, I. The Assessment of Risk and Predictors of Sleep Disorders in Patients with Psoriasis—A Questionnaire-Based Cross-Sectional Analysis. J. Clin. Med. 2021, 10, 664. https://doi.org/10.3390/jcm10040664

AMA Style

Nowowiejska J, Baran A, Lewoc M, Grabowska P, Kaminski TW, Flisiak I. The Assessment of Risk and Predictors of Sleep Disorders in Patients with Psoriasis—A Questionnaire-Based Cross-Sectional Analysis. Journal of Clinical Medicine. 2021; 10(4):664. https://doi.org/10.3390/jcm10040664

Chicago/Turabian Style

Nowowiejska, Julia, Anna Baran, Marta Lewoc, Paulina Grabowska, Tomasz W. Kaminski, and Iwona Flisiak. 2021. "The Assessment of Risk and Predictors of Sleep Disorders in Patients with Psoriasis—A Questionnaire-Based Cross-Sectional Analysis" Journal of Clinical Medicine 10, no. 4: 664. https://doi.org/10.3390/jcm10040664

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