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OBJECTIVE:: To develop and validate an educational manual on the prevention and treatment of trench foot for military personnel. METHOD:: This is a prospective, descriptive, observational study. A manual was developed based on a literature review of books, theses and articles published in the last 10 years. The manual was evaluated by an expert committee of the Brazilian Army, and tested and validated by military students from an Army Sargent School in Brazil. Students evaluated the following parameters: definition of trench foot, risk of trench foot development among the military, risk factors, identification of trench foot, preventive measures, treatment of trench foot, and final considerations. RESULTS:: A total of 99 military students participated in the testing. Some parameters were exclusively evaluated by the experts, 12 physicians and 11 nurses, and rated as 'good or very good' as follows: thematic content (100%), graphic display (100%), topic sequence (100%), clarity of language and comprehension of information (91.3%) and illustrations (95.6%). Other parameters were rated as 'good or very good' by both the experts and military students, as follows: definition of trench foot (100% and 85.8%), risk of trench foot among the military (95.6% and 86.8%), risk factors (100% and 82.8%), identification of trench foot (100% and 86.8%), preventive measures (100% and 81.8%), treatment (95.6% and 84.8%) and final considerations (95.6% and 81.82 %), respectively. Cronbach's alpha was 0.891 for consistency and 0.854 for reliability. CONCLUSION:: The educational manual was validated by health professionals, tested by military students, and showed to be a consistent, reliable and valid educational instrument for the prevention and treatment of trench foot.

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Introdução: O quadro clínico de pés de imersão em água morna (PIAM) está relacionado ao contato prolongado com água em temperaturas elevadas. Uma categoria profissional com possibilidade de exposição frequente à umidade é a dos prestadores de serviço de lavagem de automóveis (lava a jato). Não foram encontrados estudos científicos sobre doenças que acometam os trabalhadores dessa área. Objetivo: Avaliar a frequência de quadros de PIAM entre trabalhadores de um lava a jato. Métodos: O estudo foi realizado em um lava a jato na cidade de Jundiaí (SP), em 2013. Um grupo de 30 trabalhadores foi submetido a anamnese e exame físico dermatológico. Foram realizados testes estatísticos para avaliar associação entre quadros de PIAM e variáveis independentes. Resultados: Todos os participantes eram do sexo masculino, com idade média de 23 anos, e a maioria (60%) trabalhava na empresa há mais de um ano. Sessenta por cento dos participantes apresentaram lesões compatíveis com PIAM. A faixa etária e o tempo de trabalho estiveram associados ao quadro. Havia exposição frequente e permanente à umidade durante o trabalho, sem uso de vestuário impermeável. Conclusão: A maioria dos trabalhadores que fizeram parte da pesquisa tinha diagnóstico de PIAM; os com idade superior a 30 anos e que trabalhavam há menos de 1 ano na função tiveram maior probabilidade de apresentar o quadro clínico por exposição ocupacional à umidade.

Introduction: The diagnosis of warm-water immersion foot (WWIF) is related to prolonged contact with water at high temperatures. Car wash workers are exposed to humidity, but there are not studies about diseases that affect workers in this area. Objective: To evaluate the frequency of WWIF among car wash workers and associated factors. Methods: The study was carried out in a car wash service in the city of Jundiaí, in the state of São Paulo, Brazil, in 2013. A group of 30 workers was submitted to an interview and skin medical examination. Statistical tests were performed to evaluate the association between WWIF and independent variables. Results: All participants were males, average 23 years old, and the majority (60%) have worked in the company for over a year. Sixty percent of the participants presented injuries similar to WWIF. Age and working time were associated with the outcome. There was frequent and permanent exposure to humidity in the working hours, without the use of impermeable clothes. Conclusion: Most of the participants had diagnosis of WWIF; those over 30 years old and who had been working less than 1 year were more likely to have the diagnosis due to occupational exposure to humidity.

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Belize, hosting one of the British Army's overseas training areas, provides access to challenging terrain and austere environments, which allows the delivery of training to soldiers on survival and combat within the jungle environment. A 26-year-old infanteer on exercise in Belize presented with progressive bilateral dry, painful, oedematous hands, secondary to the harsh environmental conditions of the jungle and inadequate drying of his hands resulting in his inability to perform his combat duties. The symptoms completely resolved with drying, emollient application and analgesia. While there are no reported cases of immersion hand, comparisons can be made with the well-reported warm weather immersion foot. This case highlights the importance of force preparation and soldier education for units deploying to the jungle. Simple preventive measures, including adequate 'wet-dry' drills and use of emollients can reduce the prevalence of immersion hand, a preventable condition, which can have a significant impact on the overall combat effectiveness of the unit.

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BACKGROUND: Warm-water immersion foot (WWIF) is associated with prolonged contact with water at high temperature. Car wash workers are frequently exposed to humidity, however, there are not studies targeting diseases affecting this category of employees. OBJECTIVE: To investigate the frequency of WWIF among car wash workers. METHODS: The study was carried out in 2013 at a car wash service in Jundiaí, São Paulo, Brazil. A group of 30 workers was subjected to clinical interview and dermatological examination. Statistical tests were performed to assess the association between WWIF and independent variables. RESULTS: All the participants were male, their average age was 23 years old, and the most (60%) had worked at the investigated company for more than one year. Sixty percent of the participants exhibited lesions compatible with WWIF. Age and length of work at the company were associated with the assessed outcome. The participants were frequently and permanently exposed to humidity along the working day without wearing impermeable clothes. CONCLUSION: Most participants exhibited WWIF; the ones over 30 years old and having worked less than 1 year at the investigated company exhibited higher odds of WWIF due to occupational exposure to humidity.

INTRODUÇÃO: O quadro clínico de pés de imersão em água morna (PIAM) está relacionado ao contato prolongado com água em temperaturas elevadas. Uma categoria profissional com possibilidade de exposição frequente à umidade é a dos prestadores de serviço de lavagem de automóveis (lava a jato). Não foram encontrados estudos científicos sobre doenças que acometam os trabalhadores dessa área. OBJETIVO: Avaliar a frequência de quadros de PIAM entre trabalhadores de um lava a jato. MÉTODOS: O estudo foi realizado em um lava a jato na cidade de Jundiaí (SP), em 2013. Um grupo de 30 trabalhadores foi submetido a anamnese e exame físico dermatológico. Foram realizados testes estatísticos para avaliar associação entre quadros de PIAM e variáveis independentes. RESULTADOS: Todos os participantes eram do sexo masculino, com idade média de 23 anos, e a maioria (60%) trabalhava na empresa há mais de um ano. Sessenta por cento dos participantes apresentaram lesões compatíveis com PIAM. A faixa etária e o tempo de trabalho estiveram associados ao quadro. Havia exposição frequente e permanente à umidade durante o trabalho, sem uso de vestuário impermeável. CONCLUSÃO: A maioria dos trabalhadores que fizeram parte da pesquisa tinha diagnóstico de PIAM; os com idade superior a 30 anos e que trabalhavam há menos de 1 ano na função tiveram maior probabilidade de apresentar o quadro clínico por exposição ocupacional à umidade.