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    Tytuł:
    Dozymetria indywidualna jako element profilaktyki zdrowotnej pracowników narażonych na promieniowanie jonizujące
    Individual dosimetry as an element of health prevention for employees exposed to ionizing radiation
    Autorzy:
    Domienik-Andrzejewska, Joanna
    Wiszniewska, Marta
    Powiązania:
    https://bibliotekanauki.pl/articles/28410988.pdf
    Data publikacji:
    2023-12-29
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    dozymetria indywidualna
    monitoring dawek
    profilaktyka
    skutki stochastyczne
    skutki deterministyczne
    choroby zawodowe
    individual dosimetry
    dose monitoring
    prevention
    stochastic effects
    deterministic effects
    occupational diseases
    Opis:
    Przedstawiono zgodne z rekomendacjami Międzynarodowej Komisji Ochrony Radiologicznej współczesne standardy ochrony radiologicznej i ich ewolucję na przestrzeni lat na podstawie nowej wiedzy na temat skutków biologicznych działania promieniowania jonizującego oraz zmieniający się stosunek do akceptowanego ryzyka. W pracy w sposób szczególny uwzględniono rolę zasady limitowania dawek i pomiarów dawek indywidualnych w działaniach ukierunkowanych na profilaktykę zdrowotną indywidualnych osób narażonych zawodowo na promieniowanie jonizujące.
    The paper presents the current radiation protection standards, in line with the recommendations of the International Commission on Radiological Protection (ICRP), and their evolution over the years based on new knowledge about the biological effects of ionizing radiation and the changing attitude of people to the accepted risk. The work takes into account in particular the role of the dose limit principle and individual dose measurements in activities aimed at health prevention of individual people occupationally exposed to ionizing radiation.
    Źródło:
    Medycyna Pracy. Workers’ Health and Safety; 2023, 74, 6; 527-539
    0465-5893
    2353-1339
    Pojawia się w:
    Medycyna Pracy. Workers’ Health and Safety
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ionizing radiation and volumetric mammographic density
    Autorzy:
    Pepłońska, Beata
    Mirowski, Mateusz
    Kałużny, Paweł
    Domienik-Andrzejewska, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/2152984.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    breast cancer
    ionizing radiation
    mammography
    effective dose
    mammographic density
    organ dose
    Opis:
    Objectives Mammographic density (MD) refers to the percentage of dense tissue of an entire breast and was proposed to be used as a surrogate marker for breast cancer. High-dose ionizing radiation (IR) has been recognized as a breast cancer risk factor. The aim of our study was to investigate association between lifetime low dose ionizing radiation (LDIR) and MD. Material and Methods A cross-sectional study included 467 women aged 40–60 years who underwent screening mammography in Łódź, Poland. The digital mammography examination of the breasts included both craniocaudal and mediolateral oblique views. The volumetric breast density (VBD) (%) and fibrograndular tissue volume (FG) (cm3) were determined based on the analysis of mammographic image (“for processing”) using Volpara Imaging Software. The exposure to IR was estimated for each individual, based on the data from interviews about diagnostic or therapeutic medical procedures performed in the area of the neck, chest, abdomen and spine, which involved X-rays and γ rays and the data about the doses derived from literature. Linear and logistic regression were fitted with VBD and FG as the outcomes and organ breast dose, effective dose and number of mammographies as the determinants, adjusted for major confounders. Results The analyses showed no association between VBD or FG and the breast organ dose or the effective dose. The only significant finding observed concerned the association between the number of mammographies and the FG volume with β coefficient: 0.028 (95% CI: 0.012–0.043), and predicted mean FG volume >13.4 cm3 among the women with >3 mammographies when compared to those with none. Conclusions This study does not, in general, provide support for the positive association between LDIR and MD. The weak association of the FG volume with the number of mammographies warrants further verification in larger independent studies.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2022, 35, 5; 635-649
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Occupational exposure to ionizing radiation and lens opacity in interventional cardiologists
    Autorzy:
    Domienik-Andrzejewska, Joanna
    Kałużny, Paweł
    Piernik, Gabriela
    Jurewicz, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/2161953.pdf
    Data publikacji:
    2019-10-16
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    occupational exposure
    ionizing radiation
    cataract
    low doses
    cumulative eye lens doses
    interventional cardiologists
    Opis:
    Objectives Interventional cardiologists (ICs) are occupationally exposed to low or moderate doses of ionizing radiation from repeated exposures. It is not clear whether these occupational conditions may affect their eye lens. Therefore, the risk of radiation-induced cataract in the cohort of Polish interventional cardiologists is analyzed in this paper. Material and Methods The study group consisted of 69 interventional cardiologists and 78 control individuals occupationally unexposed to ionizing radiation. The eye lens opacities were examined using a slit camera and evaluated with Lens Opacities Grading System III. Cumulative eye lens doses were estimated retrospectively using a questionnaire including data on occupational history. Results The average cumulative dose to the left and right eye lens of the ICs was 224 mSv and 85 mSv, respectively. Nuclear opalescence and nuclear color opacities in the most exposed left eye were found in 38% of the ICS for both types, and in 47% and 42% of the controls, respectively. Cortical opacities were found in 25% of the ICS and 29% of the controls. Posterior subcapsular opacities were rare: about 7% in the ICs group and 6% in the control group. Overall, there was some, but statistically insignificant, increase in the risk for opacity in the ICs group, relative to the control group, after adjusting for the subjects’ age, gender, smoking status and medical exposure (adjusted OR = 1.47, 95% CI: 0.62–3.59 for the pooled “any-eye any-type” opacity). There was also no evidence for an increased opacity risk with an increase in the dose. Conclusions The study found no statistically significant evidence against the hypothesis that the risk of cataract in the group of the ICs occupationally exposed to low doses of ionizing radiation is the same as in the control group. Nevertheless, the adverse effect of ionizing radiation still cannot be excluded due to a relatively small study sample size. Int J Occup Med Environ Health. 2019;32(5):663–75
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2019, 32, 5; 663-675
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of dose distribution around a computed tomography scanner in terms of exposure to scattered ionizing radiation of caregivers of pediatric patients
    Autorzy:
    Biegała, Michał
    Brodecki, Marcin
    Skoczylas, Krystian
    Jakubowska, Teresa
    Domienik-Andrzejewska, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/45912311.pdf
    Data publikacji:
    2024-09-10
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    effective dose
    radiological protection
    leukemia
    CT scanner
    probability of induction of leukemia
    pediatric radiology
    Opis:
    Objectives During computed tomography (CT), a large amount of ionizing radiation is emitted to ensure high quality of the obtained radiological image. This study measured the dose distribution around the CT scanner and the exposure of people staying near the CT scanner during the examination. Material and Methods The measurements used an anthropomorphic phantom to assess human exposure to ionizing radiation. The probability of inducing leukemia and other cancers as a result of absorbing doses recorded around the CT device was also calculated. Results The highest exposure to scattered radiation in the proximity of the CT scanner is recorded at the gantry of the tomograph, i.e., 55.7 μGy, and the lowest, below lower detection limit of 6 μGy at the end of the diagnostic table. The whole-body detector placed on the anthropomorphic phantom located at the diagnostic table right next to the CT gantry recorded 59.5 μSv and at the end of the table 1.5 μSv. The average doses to the lenses in these locations were: 32.1 μSv and 2.9 μSv, respectively. Conclusions The probability of induction of leukemia or other types of cancer is low, but the need for people to stay in the examination room during a CT examination should be limited to the necessary minimum.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2024, 37, 3; 326-334
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of lead free cap on the doses of ionizing radiation to the head of interventional cardiologists working in haemodynamic room
    Autorzy:
    Grabowicz, Włodzimierz
    Masiarek, Konrad
    Górnik, Tomasz
    Grycewicz, Tomasz
    Brodecki, Marcin
    Dabin, Jérémie
    Huet, Christelle
    Vanhavere, Filip
    Domienik-Andrzejewska, Joanna K.
    Powiązania:
    https://bibliotekanauki.pl/articles/2152963.pdf
    Data publikacji:
    2022
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    radiation protection
    interventional cardiology
    skin dose
    lead free cap
    brain dose
    interventional physicians
    Opis:
    Objectives The study aim was to analyse the influence of the lead free cap on doses received by interventional cardiologists. The impact of lead free cap on doses to the head were evaluated in number of studies. As different methods used to assess the attenuation properties of protective cap can lead to ambiguous results, a detailed study was performed. Material and Methods The effectiveness of a lead free cap in reducing the doses to the skin was assessed in clinic by performing measurements with thermoluminescent dosimeters attached inside and outside the cap first during individual coronary angiography (CA) or CA/percutaneous transluminal coronary angioplasty (CA/PTCA) procedures and then cumulated during few procedures of the same type. In order to investigate the effect of the cap on reducing the doses to the brain additional measurements were performed with a male Alderson Rando and polymethyl methacrylate (PMMA) phantoms representing the physician and the patient, respectively for different projections. The brain dose per procedure, annual and cumulated during entire working practice were estimated for both cases working with and without the cap. Results The dose reduction factor (RF) for the skin (the quotient of doses outside and inside the cap) vary from 1.1 up to 4.0 in clinical conditions; on average 2.3-fold reduction is observed in the most exposed left temple. The RFs determined for the part of the head covered by the cap range from 1.4 to 1.8 while for the brain from 1.0 to 1.1 depending on the projection. The estimated annual brain dose for interventional cardiologist performing yearly 550 CA/PTCA procedures without any protective shields is 7.2 mGy and it is reduced with the lead free cap by an average factor of 1.1. Conclusions The study results proved the considerable effectiveness of lead free cap to protect the skin but very limited to protect the brain.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2022, 35, 5; 549-560
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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