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Wang SP, Stefanovic N, Orfali RL, Aoki V, Brown SJ, Dhar S, Eichenfield LF, Flohr C, Ha A, Mora C, Murase JE, Rosenbach M, Srinivas SM, Thyssen JP, Wei ML, Irvine AD, Abuabara K. Impact of climate change on atopic dermatitis: A review by the International Eczema Council. Allergy 2024; 79:1455-1469. [PMID: 38265114 DOI: 10.1111/all.16007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/04/2023] [Accepted: 12/19/2023] [Indexed: 01/25/2024]
Abstract
Atopic dermatitis (AD), the most burdensome skin condition worldwide, is influenced by climatic factors and air pollution; however, the impact of increasing climatic hazards on AD remains poorly characterized. Leveraging an existing framework for 10 climatic hazards related to greenhouse gas emissions, we identified 18 studies with evidence for an impact on AD through a systematic search. Most climatic hazards had evidence for aggravation of AD the impact ranged from direct effects like particulate matter-induced AD exacerbations from wildfires to the potential for indirect effects like drought-induced food insecurity and migration. We then created maps comparing the past, present, and future projected burden of climatic hazards to global AD prevalence data. Data are lacking, especially from those regions most likely to experience more climatic hazards. We highlight gaps important for future research: understanding the synergistic impacts of climatic hazards on AD, long-term disease activity, the differential impact on vulnerable populations, and how basic mechanisms explain population-level trends.
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Affiliation(s)
- Sheng-Pei Wang
- Department of Dermatology, University of California San Francisco, San Francisco, California, USA
| | | | - Raquel L Orfali
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Valeria Aoki
- Department of Dermatology, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil
| | - Sara J Brown
- Centre for Genomic & Experimental Medicine, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Sandipan Dhar
- Department of Pediatric Dermatology, Institute of Child Health, Kolkata, India
| | - Lawrence F Eichenfield
- Departments of Dermatology and Pediatrics, University of California San Diego, San Diego, California, USA
| | - Carsten Flohr
- Unit for Population-Based Dermatology Research, St John's Institute of Dermatology, Guy's & St Thomas' NHS Foundation Trust and King's College London, London, UK
| | - Alex Ha
- Department of Dermatology, University of California San Francisco, San Francisco, California, USA
| | - Camilo Mora
- Department of Geography and Environment, University of Hawai'i at Mānoa, Honolulu, Hawai'i, USA
| | - Jenny E Murase
- Department of Dermatology, University of California San Francisco, San Francisco, California, USA
- Department of Dermatology, Palo Alto Foundation Medical Group, Mountain View, California, USA
| | - Misha Rosenbach
- Department of Dermatology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sahana M Srinivas
- Department of Dermatology, Indira Gandhi Institute of Child Health, Bengaluru, India
| | - Jacob P Thyssen
- Department of Dermatology and Venereology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Maria L Wei
- Department of Dermatology, University of California San Francisco, San Francisco, California, USA
- Dermatology Service, San Francisco VA Health Care System, San Francisco, California, USA
| | - Alan D Irvine
- Clinical Medicine, Trinity College Dublin, Dublin, Ireland
| | - Katrina Abuabara
- Department of Dermatology, University of California San Francisco, San Francisco, California, USA
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Singh R, Fathy R, Kassamali B, Noe MH, Barbieri JS, LaChance A, Charrow AP. Increased ambient outdoor temperatures are associated with increased disease flaring in hidradenitis suppurativa. Arch Dermatol Res 2023; 316:49. [PMID: 38108861 DOI: 10.1007/s00403-023-02759-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 09/19/2023] [Accepted: 10/18/2023] [Indexed: 12/19/2023]
Abstract
Despite evidence to suggest a relationship between time of year and hidradenitis suppurativa (HS) flaring, no studies have been conducted to date to establish a relationship directly between temperature and flaring. In this study, we aim to validate a classification approach based on administrative data for identifying medical encounters that likely represent HS flares in patient with a known diagnosis of HS within the Mass General Brigham Health System (MGB) and examine the relationship between average daily temperatures and HS disease flaring among patients in Boston. This is a retrospective cohort study. Participants were individuals with HS presenting to emergency departments or dermatology outpatient clinics with disease flares between January 2017 and January 2022. The average number of encounters for HS flares was compared with the temperature for that day and the 3- and 7-day periods prior. There were 2567 patient encounters for HS flares included in the study. Of the total identified HS flares, 75.6% occurred in females and 39.1% occurred in patients who identified as Black. Uniformly small but statistically significant relationships were noted between increased temperature and presentations for hidradenitis suppurativa flare with the highest correlation coefficient (0.0768) noted with a 3-day lag time between the heat experienced and day of presentation for flare. Increased temperature is associated with a small, but statistically significant increase in HS disease flaring. As such, HS disease flaring may rise as global temperatures do, suggesting an increase in the global burden of HS as climate change persists.
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Affiliation(s)
- Rhea Singh
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
- Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Ramie Fathy
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Bina Kassamali
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - Megan H Noe
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - John S Barbieri
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - Avery LaChance
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA
| | - Alexandra P Charrow
- Department of Dermatology, Harvard Medical School, Brigham and Women's Hospital, Brigham Dermatology Associates, 221 Longwood Avenue, Boston, MA, 02115, USA.
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