Relative risk and signs and symptoms of doctors exposed to surgical smoke: cohort study

ABSTRACT Objective: To determine the relative risk and time to development of signs and symptoms related to exposure to surgical smoke in resident physicians. Method: Prospective cohort, with 55 resident physicians exposed to surgical smoke and 45 unexposed. Collection took place in two hospital ins...

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Published inRevista Gaúcha de Enfermagem Vol. 46
Main Authors Caus, Nathanye Crystal Stanganelli, Rocha, Aline Franco da, Leach, Helenize Ferreira Lima, Lopes, Larissa Padoin, Souza, Vitória Delma Barbosa de, Ribeiro, Anayque Taihara de Oliveira, Canato, Gláucia Maria, Ribeiro, Renata Perfeito
Format Journal Article
LanguageEnglish
Published Universidade Federal do Rio Grande do Sul 2025
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Online AccessGet full text
ISSN0102-6933
1983-1447
DOI10.1590/1983-1447.2025.20240311.en

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Abstract ABSTRACT Objective: To determine the relative risk and time to development of signs and symptoms related to exposure to surgical smoke in resident physicians. Method: Prospective cohort, with 55 resident physicians exposed to surgical smoke and 45 unexposed. Collection took place in two hospital institutions in southern Brazil, in eight moments, from March 2018 to February 2020, using a form containing sociodemographic and labor information, signs, symptoms and self-reported preventive measures, conducted by trained researchers, who followed the participants throughout the process. Descriptive statistics, Chi-square, COX regression and Kaplan-Meier were used to analyze association, risk and time of onset of signs and symptoms. Results: Exposed residents were 1.5 times more likely to develop signs and symptoms (95% CI: 0.99-2.42; p=0.05). The most common respiratory and eye symptoms were the sensation of a foreign body in the throat (HR: 3.86; p<0.001), burning sensation in the pharynx (HR: 2.49; p=0.02), eye irritation (HR: 3.43; p<0.001) and tearing (HR: 4.95; p<0.001). The median time for symptom development was 16 months (95% IQR: 14.8-17.1). Conclusion: Residents exposed to surgical smoke are at greater risk of developing occupational symptoms, with an average time of 16 months for their onset. RESUMEN Objetivo: Determinar el riesgo relativo y el tiempo de desarrollo de signos y síntomas relacionados con la exposición al humo quirúrgico en médicos residentes. Método: Cohorte prospectiva, con 55 médicos residentes expuestos al humo quirúrgico y 45 no expuestos. La recolección se realizó en dos instituciones hospitalarias del sur de Brasil, en ocho momentos, de marzo de 2018 a febrero de 2020, mediante un formulario que contenía información sociodemográfica, laboral, signos, síntomas y medidas preventivas autoreportadas, realizado por investigadores capacitados, quienes acompañaron a los participantes durante todo el proceso. Se utilizó estadística descriptiva, Chi-cuadrado, regresión COX y Kaplan-Meier para analizar asociación, riesgo y tiempo de aparición de signos y síntomas. Resultados: Los residentes expuestos tuvieron 1,5 veces más probabilidades de desarrollar signos y síntomas (IC 95%: 0,99-2,42; p=0,05). Los síntomas respiratorios y oculares más comunes fueron sensación de cuerpo extraño en la garganta (HR: 3,86; p<0,001), ardor en la faringe (HR: 2,49; p=0,02), irritación ocular (HR: 3,43; p<0,001) y lagrimeo (HR: 4,95; p<0,001). La mediana de tiempo de desarrollo de los síntomas fue de 16 meses (95% IQR: 14,8-17,1). Conclusión: Los residentes expuestos al humo quirúrgico tienen mayor riesgo de desarrollar síntomas ocupacionales, con un tiempo promedio de aparición de 16 meses. RESUMO Objetivo: Determinar o risco relativo e o tempo para o desenvolvimento de sinais e sintomas relacionados à exposição à fumaça cirúrgica em médicos residentes. Método: Coorte prospectiva, com 55 médicos residentes expostos à fumaça cirúrgica e 45 não expostos. A coleta ocorreu em duas instituições hospitalares do Sul do Brasil, em oito momentos, de março de 2018 a fevereiro de 2020, utilizando-se um formulário contendo informações sociodemográficas, laborais, sinais, sintomas e medidas preventivas autorreferidas, sendo conduzido por pesquisadores capacitados, que acompanharam os participantes durante todo o processo. Foram utilizadas estatísticas descritivas, Qui-quadrado, regressão de COX e Kaplan-Meier para análise de associação, risco e tempo de aparecimento dos sinais e sintomas. Resultados: Residentes expostos apresentaram 1,5 vezes mais risco de desenvolver sinais e sintomas (IC 95%: 0,99-2,42; p=0,05). Os sintomas respiratórios e oculares mais incidentes foram sensação de corpo estranho na garganta (HR: 3,86; p<0,001), ardência de faringe (HR: 2,49; p=0,02), irritação dos olhos (HR: 3,43; p<0,001) e lacrimejamento (HR: 4,95; p<0,001). O tempo mediano para o desenvolvimento de sintomas foi de 16 meses (IIQ 95%: 14,8-17,1). Conclusão: Residentes expostos à fumaça cirúrgica têm maior risco de desenvolver sintomas ocupacionais, com tempo médio de 16 meses para seu aparecimento.
AbstractList ABSTRACT Objective: To determine the relative risk and time to development of signs and symptoms related to exposure to surgical smoke in resident physicians. Method: Prospective cohort, with 55 resident physicians exposed to surgical smoke and 45 unexposed. Collection took place in two hospital institutions in southern Brazil, in eight moments, from March 2018 to February 2020, using a form containing sociodemographic and labor information, signs, symptoms and self-reported preventive measures, conducted by trained researchers, who followed the participants throughout the process. Descriptive statistics, Chi-square, COX regression and Kaplan-Meier were used to analyze association, risk and time of onset of signs and symptoms. Results: Exposed residents were 1.5 times more likely to develop signs and symptoms (95% CI: 0.99-2.42; p=0.05). The most common respiratory and eye symptoms were the sensation of a foreign body in the throat (HR: 3.86; p<0.001), burning sensation in the pharynx (HR: 2.49; p=0.02), eye irritation (HR: 3.43; p<0.001) and tearing (HR: 4.95; p<0.001). The median time for symptom development was 16 months (95% IQR: 14.8-17.1). Conclusion: Residents exposed to surgical smoke are at greater risk of developing occupational symptoms, with an average time of 16 months for their onset. RESUMEN Objetivo: Determinar el riesgo relativo y el tiempo de desarrollo de signos y síntomas relacionados con la exposición al humo quirúrgico en médicos residentes. Método: Cohorte prospectiva, con 55 médicos residentes expuestos al humo quirúrgico y 45 no expuestos. La recolección se realizó en dos instituciones hospitalarias del sur de Brasil, en ocho momentos, de marzo de 2018 a febrero de 2020, mediante un formulario que contenía información sociodemográfica, laboral, signos, síntomas y medidas preventivas autoreportadas, realizado por investigadores capacitados, quienes acompañaron a los participantes durante todo el proceso. Se utilizó estadística descriptiva, Chi-cuadrado, regresión COX y Kaplan-Meier para analizar asociación, riesgo y tiempo de aparición de signos y síntomas. Resultados: Los residentes expuestos tuvieron 1,5 veces más probabilidades de desarrollar signos y síntomas (IC 95%: 0,99-2,42; p=0,05). Los síntomas respiratorios y oculares más comunes fueron sensación de cuerpo extraño en la garganta (HR: 3,86; p<0,001), ardor en la faringe (HR: 2,49; p=0,02), irritación ocular (HR: 3,43; p<0,001) y lagrimeo (HR: 4,95; p<0,001). La mediana de tiempo de desarrollo de los síntomas fue de 16 meses (95% IQR: 14,8-17,1). Conclusión: Los residentes expuestos al humo quirúrgico tienen mayor riesgo de desarrollar síntomas ocupacionales, con un tiempo promedio de aparición de 16 meses. RESUMO Objetivo: Determinar o risco relativo e o tempo para o desenvolvimento de sinais e sintomas relacionados à exposição à fumaça cirúrgica em médicos residentes. Método: Coorte prospectiva, com 55 médicos residentes expostos à fumaça cirúrgica e 45 não expostos. A coleta ocorreu em duas instituições hospitalares do Sul do Brasil, em oito momentos, de março de 2018 a fevereiro de 2020, utilizando-se um formulário contendo informações sociodemográficas, laborais, sinais, sintomas e medidas preventivas autorreferidas, sendo conduzido por pesquisadores capacitados, que acompanharam os participantes durante todo o processo. Foram utilizadas estatísticas descritivas, Qui-quadrado, regressão de COX e Kaplan-Meier para análise de associação, risco e tempo de aparecimento dos sinais e sintomas. Resultados: Residentes expostos apresentaram 1,5 vezes mais risco de desenvolver sinais e sintomas (IC 95%: 0,99-2,42; p=0,05). Os sintomas respiratórios e oculares mais incidentes foram sensação de corpo estranho na garganta (HR: 3,86; p<0,001), ardência de faringe (HR: 2,49; p=0,02), irritação dos olhos (HR: 3,43; p<0,001) e lacrimejamento (HR: 4,95; p<0,001). O tempo mediano para o desenvolvimento de sintomas foi de 16 meses (IIQ 95%: 14,8-17,1). Conclusão: Residentes expostos à fumaça cirúrgica têm maior risco de desenvolver sintomas ocupacionais, com tempo médio de 16 meses para seu aparecimento.
ABSTRACT Objective: To determine the relative risk and time to development of signs and symptoms related to exposure to surgical smoke in resident physicians. Method: Prospective cohort, with 55 resident physicians exposed to surgical smoke and 45 unexposed. Collection took place in two hospital institutions in southern Brazil, in eight moments, from March 2018 to February 2020, using a form containing sociodemographic and labor information, signs, symptoms and self-reported preventive measures, conducted by trained researchers, who followed the participants throughout the process. Descriptive statistics, Chi-square, COX regression and Kaplan-Meier were used to analyze association, risk and time of onset of signs and symptoms. Results: Exposed residents were 1.5 times more likely to develop signs and symptoms (95% CI: 0.99-2.42; p=0.05). The most common respiratory and eye symptoms were the sensation of a foreign body in the throat (HR: 3.86; p<0.001), burning sensation in the pharynx (HR: 2.49; p=0.02), eye irritation (HR: 3.43; p<0.001) and tearing (HR: 4.95; p<0.001). The median time for symptom development was 16 months (95% IQR: 14.8-17.1). Conclusion: Residents exposed to surgical smoke are at greater risk of developing occupational symptoms, with an average time of 16 months for their onset.
Author Souza, Vitória Delma Barbosa de
Ribeiro, Renata Perfeito
Canato, Gláucia Maria
Leach, Helenize Ferreira Lima
Caus, Nathanye Crystal Stanganelli
Rocha, Aline Franco da
Lopes, Larissa Padoin
Ribeiro, Anayque Taihara de Oliveira
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SubjectTerms Inhalation Exposure
Nursing
Occupational exposure
Occupational Health
Signs and symptoms
Title Relative risk and signs and symptoms of doctors exposed to surgical smoke: cohort study
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