| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| DM_DuarteRego_MGIQAS_2023 | 1.1 MB | Adobe PDF |
Authors
Abstract(s)
No meio hospitalar são desenvolvidas inúmeras atividades que expõe continuamente os profissionais de saúde a radiação ionizante. Apesar da legislação existente e dos conhecimentos em relação aos riscos de exposição a radiação ionizante, continua a ser uma área de objeto de preocupação.
Este projeto visa avaliar a exposição ocupacional à radiação ionizante dos profissionais de saúde.
A amostra é formada por 319 sujeitos profissionalmente expostos a radiações, aos quais foi efetuada uma avaliação dos níveis de radiação para as doses equivalentes a 0.07mm e a 10mm de profundidade, nos anos de 2019 e 2020. Estes sujeitos pertencem aos serviços de Cardiologia, Cirurgia Vascular, Medicina Nuclear, Radiologia e Radioterapia, ainda que estes dois últimos apenas existam registos relativos ao ano de 2020. A metodologia utilizada neste estudo foi uma análise quantitativa através dos registos de doses dos profissionais de saúde expostos a radiação ionizante.
Os principais resultados mostram que em todos os meses, nos dois níveis de profundidade, o número de casos com valores iguais a 0 e superiores a 0. Contudo, nos últimos 5 meses de 2020, verificou-se um aumento significativo do número de profissionais expostos a valores superiores a 0. Em todos os serviços predominam baixos níveis de radiação. O serviço de radioterapia é o que regista valores mais altos.
A relação entre os níveis de radiação registados em 2019 e 2020, nos serviços de Cardiologia, Cirurgia Vascular, Medicina Nuclear, mostra a existência de uma correlação de moderada magnitude, com orientação positiva e estatisticamente significativa. Nestes serviços, a comparação dos níveis de radiação entre os anos de 2019 e 2020, mostra que apenas no serviço de medicina nuclear se registam evidências de diferenças estatisticamente significativas, decorrente do número de casos com registo mais baixo em 2019.
Concluiu-se que em todos os casos verificou-se que nenhum dos profissionais de saúde excedeu o limite de 20mSv por ano de dose efetiva estipulado por lei.
In the hospital environment, numerous activities are carried out that continually expose healthcare professionals to ionizing radiation. Despite existing legislation and knowledge regarding the risks of exposure to ionizing radiation, it continues to be an area of concern. This project aims to evaluate occupational exposure to ionizing radiation among healthcare professionals. The sample is made up of 319 subjects professionally exposed to radiation, to whom an assessment of radiation levels was carried out for doses equivalent to 0.07mm and 10mm in depth, in the years 2019 and 2020. These subjects belong to the Cardiology services, Vascular Surgery, Nuclear Medicine, Radiology and Radiotherapy, although the last two only have records for the year 2020. The methodology used in this study was a quantitative analysis using records of doses of healthcare professionals exposed to ionizing radiation. The main results show that in every month, at both depth levels, the number of cases with values equal to 0 and greater than 0. However, in the last 5 months of 2020, there was a significant increase in the number of professionals exposed at values greater than 0. Low levels of radiation predominate in all services. The radiotherapy service is the one with the highest values. The relationship between the radiation levels recorded in 2019 and 2020, in the Cardiology, Vascular Surgery and Nuclear Medicine services, shows the existence of a correlation of moderate magnitude, with a positive and statistically significant orientation. In these services, the comparison of radiation levels between 2019 and 2020 shows that only in the nuclear medicine service is there evidence of statistically significant differences, resulting from the number of cases with lower registration in 2019. It was concluded that in all cases it was found that none of the health professionals exceeded the limit of 20mSv per year of effective dose stipulated by law.
In the hospital environment, numerous activities are carried out that continually expose healthcare professionals to ionizing radiation. Despite existing legislation and knowledge regarding the risks of exposure to ionizing radiation, it continues to be an area of concern. This project aims to evaluate occupational exposure to ionizing radiation among healthcare professionals. The sample is made up of 319 subjects professionally exposed to radiation, to whom an assessment of radiation levels was carried out for doses equivalent to 0.07mm and 10mm in depth, in the years 2019 and 2020. These subjects belong to the Cardiology services, Vascular Surgery, Nuclear Medicine, Radiology and Radiotherapy, although the last two only have records for the year 2020. The methodology used in this study was a quantitative analysis using records of doses of healthcare professionals exposed to ionizing radiation. The main results show that in every month, at both depth levels, the number of cases with values equal to 0 and greater than 0. However, in the last 5 months of 2020, there was a significant increase in the number of professionals exposed at values greater than 0. Low levels of radiation predominate in all services. The radiotherapy service is the one with the highest values. The relationship between the radiation levels recorded in 2019 and 2020, in the Cardiology, Vascular Surgery and Nuclear Medicine services, shows the existence of a correlation of moderate magnitude, with a positive and statistically significant orientation. In these services, the comparison of radiation levels between 2019 and 2020 shows that only in the nuclear medicine service is there evidence of statistically significant differences, resulting from the number of cases with lower registration in 2019. It was concluded that in all cases it was found that none of the health professionals exceeded the limit of 20mSv per year of effective dose stipulated by law.
Description
Keywords
radiação ionizante exposição profissionais de saúde