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Psychosocial impact of climatotherapy in young patients with psoriasis: a 3-month cohort study.
Front Med (Lausanne)
October 2024
Deparment of Dermatology, Skåne University Hospital, Malmö, Sweden.
Ultraviolet rays are known to have positive effect on psoriasis, but the cold climate and latitude in Northern Europe reduce access to the sun. Climatotherapy is a treatment modality where the patient is relocated to a warmer region with a high ultraviolet (UV) index. Young patients with psoriasis can be particularly burdened by the disease, and studies have shown an association between psoriasis and mood disorders.
View Article and Find Full Text PDFSerum dsDNA is environmentally contingent.
Int Immunopharmacol
December 2024
North China University of Science and Technology Affiliated Hospital, Thangshan 063000, China; Inflammation and Immune Diseases Laboratory of North China University of Science and Technology, Tangshan 063210, China; Health Science Center, North China University of Science and Technology, Tangshan 063210, China; Department of Dermatology, the First Affiliated Hospital of Anhui Medical University, Hefei 230032, China; Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China; School of Public Health, North China University of Science and Technology, Tangshan, Hebei 063210, China; Key Laboratory for quality of salt alkali resistant TCM of Hebei Administration of TCM, North China University of Science and Technology, Tangshan, 063210, China. Electronic address:
Article Synopsis
- Psoriasis, an autoimmune disease, shows variations influenced by season and geography, highlighting the importance of studying double-stranded DNA (dsDNA) levels in relation to climate.
- A study from 2016 to 2020 analyzed 10,110 psoriasis patients across different regions in China, focusing on how serum dsDNA levels differed by season and latitude.
- Results indicated higher serum dsDNA levels in Northern and medium-latitude regions, during winter compared to summer, and emphasized the impact of factors like UV exposure, humidity, and age on dsDNA concentrations.
Measurements of biologically effective solar radiation using erythemal weighted broadband meters.
Photochem Photobiol Sci
March 2024
Institute of Geophysics, Polish Academy of Sciences, Warsaw, Poland.
In this paper, we describe conversion factors (CF) for the calculation of biologically effective irradiances (BEI) from erythemal irradiance for three effects: photosynthesis of previtamin D3, psoriasis healing, and inactivation of the SARS-Cov-2 virions. CFs were empirically derived from measurements of spectral solar ultraviolet (UV) radiation during all sky conditions at four mid-latitude sites in the Northern Hemisphere, namely Aosta, Belsk, Reading, and San Diego. These CFs were found to depend on solar zenith angle (SZA) and total column ozone, but are largely independent (within ± 5% for SZA < 60°) of local conditions such as surface albedo, visibility and other local atmospheric patterns.
View Article and Find Full Text PDFRegional variations and prevalence of psoriasis in Germany from 2010 to 2017: a cross-sectional, spatio-epidemiological study on ambulatory claims data.
BMJ Open
November 2021
Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
Objectives: Global prevalence rates of psoriasis differ significantly, with lowest rates in the equator region and increasing tendencies towards the north but also differences within-country. Information on regional variations in Germany is missing. This study aims to analyse the change of psoriasis prevalence in Germany over time and to detect regional variations.
View Article and Find Full Text PDFTrends in Optic Neuritis Incidence and Prevalence in the UK and Association With Systemic and Neurologic Disease.
JAMA Neurol
December 2020
Biomedical Research Centre (Moorfields Eye Hospital/University College London), London, United Kingdom.
Importance: Epidemiologic data on optic neuritis (ON) incidence and associations with immune-mediated inflammatory diseases (IMIDs) are sparse.
Objective: To estimate 22-year trends in ON prevalence and incidence and association with IMIDs in the United Kingdom.
Design, Setting, And Participants: This cohort study analyzed data from The Health Improvement Network from January 1, 1995, to September 1, 2019.
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