Publications by authors named "M de Troya-Martín"

94 Publications

Sun exposure and protection habits in transplant athletes: An international survey.

Photodermatol Photoimmunol Photomed 2021 Nov 24. Epub 2021 Nov 24.

Photobiological Dermatology Laboratory Medical Research Centre, Department of Dermatology and Medicine, University of Málaga, Málaga, Spain.

Background: Transplant recipients are particularly prone to the development of skin cancer, and overexposure to UV radiation during outdoor activities increases the risk of carcinogenesis.

Objective: The aim of this study was to analyze sun-related behaviors and knowledge in transplant athletes, examine the frequency of sunburns, and explore associations with a history of skin cancer.

Materials And Methods: Cross-sectional descriptive study. Participants (n=170) in the XXI World Transplant Games from >50 countries completed a questionnaire on sun protection habits and knowledge, type of transplant, immunosuppressive therapy, and personal history of skin cancer.

Results: The most common transplanted organs were the kidney (n=79), the liver (n=33), and the heart (n=31). Overall, 61.3% of athletes had been doing sport for >15 years and 79.5% spent >1-2 hours a day outdoors. Fifteen % of athletes had a history of skin cancer. The prevalence of sunburn in the previous year was 28.9%, higher in athletes aged <50 years (37.2%); without a primary school education (58.3%), not taking cyclosporin (32.6%) and athletes who played basketball (75%). The main sun protection measures used were sunscreen (68.9%) and sunglasses (67.3%). Use of a hat or cap was the only measure significantly associated with a reduced prevalence of sunburn.

Conclusions: Despite high awareness that sun exposure increases the risk of skin cancer, sunburn was common in transplant athletes. Efforts should be made to strengthen multidisciplinary sun protection education strategies and ensure periodic dermatologic follow-up to prevent sun-induced skin cancer in this population.
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http://dx.doi.org/10.1111/phpp.12755DOI Listing
November 2021

"Beach Lifeguards' Sun Exposure and Sun Protection in Spain".

Saf Health Work 2021 Jun 10;12(2):244-248. Epub 2020 Oct 10.

Medicine Department, University of Málaga, Spain.

Background: Sunburn is the main avoidable cause of skin cancer. Beach lifeguards spend many hours exposed to the effects of solar radiation during their work day, precisely at times of the year when levels of solar irradiation are highest. The aim of this study is to quantify the risk to beach lifeguards of sun exposure.

Methods: A descriptive cross-sectional study was carried out in the Western Costa del Sol, southern Spain, during the summer of 2018. The research subjects were recruited during a skin cancer prevention course for beach lifeguards. All participants were invited to complete a questionnaire on their habits, attitudes, and knowledge related to sun exposure. In addition, ten were specially monitored using personal dosimeters for three consecutive days, and the results were recorded in a photoprotection diary. A descriptive analysis (mean and standard deviation for the quantitative variables) was performed, and inter-group differences were evaluated using the Mann-Whitney U test.

Results: Two hundred fifteen lifeguards completed the questionnaire, and 109 met the criteria for inclusion in this analysis. The mean age was 23.8 years (SD: 5.1), 78.0% were male, 71.5% were phototype III or IV (Fitzpatrick's phototype), and 77.1% had experienced at least one painful sunburn during the previous summer. The mean daily personal ultraviolet exposure per day, the minimal erythema dose, and the standard erythema dose, in J/m, were 634.7 [standard deviation (SD): 356.2], 2.5 (SD: 1.4) and 6.35 (SD: 3.6), respectively.

Conclusion: Beach lifeguards receive very high doses of solar radiation during the work day and experience correspondingly high rates of sunburn. Intervention strategies to modify their sun exposure behavior and working environment are necessary to reduce the risk of skin cancer for these workers and to promote early diagnosis of the disease.
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http://dx.doi.org/10.1016/j.shaw.2020.10.003DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8209343PMC
June 2021

A facility and community-based assessment of scabies in rural Malawi.

PLoS Negl Trop Dis 2021 06 1;15(6):e0009386. Epub 2021 Jun 1.

Department of Dermatology, Hospital Universitario Araba, Vitoria-Gasteiz, Spain.

Background: Scabies is a neglected tropical disease of the skin, causing severe itching, stigmatizing skin lesions and systemic complications. Since 2015, the DerMalawi project provide an integrated skin diseases clinics and Tele-dermatology care in Malawi. Clinic based data suggested a progressive increase in scabies cases observed. To better identify and treat individuals with scabies in the region, we shifted from a clinic-based model to a community based outreach programme.

Methodology/principal Findings: From May 2015, DerMalawi project provide integrated skin diseases and Tele-dermatological care in the Nkhotakota and Salima health districts in Malawi. Demographic and clinical data of all patients personally attended are recorded. Due to a progressive increase in the number of cases of scabies the project shifted to a community-based outreach programme. For the community outreach activities, we conducted three visits between 2018 to 2019 and undertook screening in schools and villages of Alinafe Hospital catchment area. Treatment was offered for all the cases and school or household contacts. Scabies increased from 2.9% to 39.2% of all cases seen by the DerMalawi project at clinics between 2015 to 2018. During the community-based activities approximately 50% of the population was assessed in each of three visits. The prevalence of scabies was similar in the first two rounds, 15.4% (2392) at the first visit and 17.2% at the second visit. The prevalence of scabies appeared to be lower (2.4%) at the third visit. The prevalence of impetigo appeared unchanged and was 6.7% at the first visit and 5.2% at the final visit.

Conclusions/significance: Prevalence of scabies in our setting was very high suggesting that scabies is a major public health problem in parts of Malawi. Further work is required to more accurately assess the burden of disease and develop appropriate public health strategies for its control.
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http://dx.doi.org/10.1371/journal.pntd.0009386DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8195395PMC
June 2021

Sun-related behaviors, attitudes and knowledge among paralympic sailors.

Disabil Health J 2021 07 4;14(3):101095. Epub 2021 Apr 4.

Dermatology Department, Costa del Sol Hospital, Marbella, Spain. Electronic address:

Background: Overexposure to sunlight is the main cause of skin cancer. Outdoor sports increased sun exposure times. Sun protection behaviors and attitudes are utmost importance to reduce sun exposure.

Aims: To evaluate sun exposure habits, sun protection practices, and sun-related attitudes and knowledge among paralympic sailors.

Methods: This descriptive observational study analysed the answers of a validated self-reported questionnaire of habits, attitudes and knowledge related to sun exposure and skin cancer completed by 56 elite sailors with disabilities from 19 countries which taking part in 2019 Para World Sailing Championships.

Results: Three in four (76.8%) participants reported a history of sunburn in the previous season. Overall, participants showed an average for sport practice per week of 8.0 h (SD: 4.9). Participants reported a low adherence to sun protection practice, with the exception of using sunglasses (85.7%), sunscreen (83.9%) and hat (75%), having a very low rate (28.6%) of avoidance of midday sun and an inadequate sunscreen reapplication (33.9% reported "do not reapply" and 16.1% "reapply every one or 2 h"). Although 82.1% of participants reported to be worried about can get skin cancer out of the sun, they also presented excessive sun tanning attitudes (42.9% likes sunbathing and 57.1% sunbathing makes them feel well). The average score for sun-related knowledge was low (62.1 out 100 points; SD: 13.6).

Conclusions: Awareness campaigns on sun risk are needed specifically directed at this target group, in order to improve their sun protection habits and reduce the rates of sunburn associated with sports practice.
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http://dx.doi.org/10.1016/j.dhjo.2021.101095DOI Listing
July 2021
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