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J Eur Acad Dermatol Venereol. 2013 Jul;27(7):820-6. doi: 10.1111/j.1468-3083.2012.04580.x. Epub 2012 May 23.

Sleep apnea as a comorbidity in obese psoriasis patients: a cross-sectional study. Do psoriasis characteristics and metabolic parameters play a role?

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  • 1Department of Dermatology, Athens University Medical School, ΑΤΤΙΚΟΝ General University Hospital, Haidari, Athens, Greece. papadavev@yahoo.gr



Psoriasis is associated with a variety of comorbidities such as obesity and cardiovascular disease.


In a cross-sectional study, we explored whether obstructive sleep apnea and hypopnea syndrome (OSAHS) is associated with psoriasis characteristics and metabolic parameters.


Thirty-five patients with chronic plaque psoriasis underwent a nocturnal polysomnography study and were analysed for Apnoea-Hypopnoea Index to assess OSAHS severity and Framigham score to predict the absolute risk of coronary artery disease at 10 years. The association of OSAHS with psoriasis was examined according to psoriasis characteristics (PASI and DLQI scores, disease duration and previous use of systemic treatments), metabolic parameters (Body Mass Index - BMI, waist to hip ratio - WHR, lipid profile) and other comorbidities (obesity, hypertension, arthritis and cardiovascular disease).


There was no correlation between psoriasis characteristics and OSAHS. Psoriasis patients with OSAHS presented more frequent snoring and lower sleep quality compared with those without OSAHS. In univariate analyses, OSAHS was associated with increased BMI and hypertension in psoriasis patients. In multivariable logistic regression models, there was statistically significant evidence that only BMI and hypertension were associated with increased risk of OSAHS, adjusting for psoriasis characteristics, age and gender. Presence of metabolic syndrome, WHR, and smoking were not significant risk factors for OSAHS. In subgroup analyses, OSAHS correlated with duration of psoriasis (>8 years) in women (P = 0.021) and with Framigham score in men (P = 0.035).


OSAHS may be a comorbidity in obese psoriasis patients with hypertension. Treatment with continuous positive airway pressure and weight loss interventions should be initiated.

© 2012 The Authors. Journal of the European Academy of Dermatology and Venereology © 2012 European Academy of Dermatology and Venereology.

[PubMed - indexed for MEDLINE]
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