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  1. Article ; Online: Inappropriate timing of salt intake increases the risk of heat-related illness

    Takeyasu Kakamu / Teruna Ito / Shota Endo / Tomoo Hidaka / Yusuke Masuishi / Hideaki Kasuga / Tetsuhito Fukushima

    PLoS ONE, Vol 19, Iss

    An observational study

    2024  Volume 1

    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2024-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Heterogeneous trends of premature mortalities in Japan

    Satoshi Tsuboi / Tomosa Mine / Tetsuhito Fukushima

    Dialogues in Health, Vol 1, Iss , Pp 100071- (2022)

    joinpoint regression analysis of years of life lost from 2011 to 2019

    2022  

    Abstract: Purpose: To assess long-term premature mortalities in Japan for providing evidence of strategies for sustainable development in population health. Methods: Descriptive study for observing the trends of premature mortalities due to 10 major causes and all- ...

    Abstract Purpose: To assess long-term premature mortalities in Japan for providing evidence of strategies for sustainable development in population health. Methods: Descriptive study for observing the trends of premature mortalities due to 10 major causes and all-cause in Japan was conducted using governmental statistics taken between 2011 and 2019. Years of life lost (YLL) was calculated for each cause, and the trends of these were examined by joinpoint regression analysis. Results: The means of YLL for all-cause through 2011 to 2019 were 8,121,565.1 in males and 6,743,198.4 in females. For each cause, the trends of age-standardized YLL were downward except for malignant neoplasm of pancreas and heart failure in males, and malignant neoplasm of pancreas, malignant neoplasm of breast, and age-related physical debility in females. One significant joinpoint for heart failure was found in males, and one significant joinpoint for each of malignant neoplasm of pancreas and age-related physical debility were found in females. Conclusions: Premature mortalities due to malignant neoplasm of pancreas in both sexes, heart failure in males and malignant neoplasm of breast in females were issues to be prioritized for promoting population health in Japan.
    Keywords Life expectancy ; Japan ; Epidemiologic studies ; Mortality ; Cause of death ; Population health management ; Public aspects of medicine ; RA1-1270
    Subject code 590
    Language English
    Publishing date 2022-12-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: The Systematic Workplace-Improvement Needs Generation (SWING)

    Tomoo Hidaka / Sei Sato / Shota Endo / Hideaki Kasuga / Yusuke Masuishi / Takeyasu Kakamu / Tetsuhito Fukushima

    International Journal of Environmental Research and Public Health, Vol 19, Iss 1671, p

    Verifying a Worker-Centred Tool for Identifying Necessary Workplace Improvements in a Nursing Home in Japan

    2022  Volume 1671

    Abstract: This study developed and tested a new measurement instrument, the Systematic Workplace-Improvement Needs Generation (SWING), to identify workplace-improvement needs. The participants were 53 workers in a Japanese nursing home for the elderly. The ... ...

    Abstract This study developed and tested a new measurement instrument, the Systematic Workplace-Improvement Needs Generation (SWING), to identify workplace-improvement needs. The participants were 53 workers in a Japanese nursing home for the elderly. The respondents used the SWING questionnaire to self-generate five ‘cues’ they considered important to improve the workplace. The workers determined each cue’s sufficiency level and weight balance (importance), and then we summarised the 265 cues into 21 categories for workplace improvements. The respondents identified the following items as the most important and the least sufficiently provided areas for workplace improvement: ‘interaction with customers’, ‘physical and psychological harassment’, ‘rewarding and challenging work’, and ‘sharing goals and objectives’. Although the workplace-improvement recommendations differed greatly from person to person, SWING prioritised the items by weight (importance) and sufficiency (current status), allowing organisations to address the needed improvements systematically. The SWING tool effectively elicited and prioritised respondents’ recommendations for improving the workplace. Because its items are self-generated by the respondents, SWING can be used for any occupation or workplace. Visualisation with bubble plots to clarify the improvement needs is incorporated into SWING.
    Keywords work improvement ; workplace improvement ; worker-reported outcome ; Schedule for the Evaluation of Individual Quality of Life ; psycho-social factor ; social determinants of health ; Medicine ; R
    Subject code 600
    Language English
    Publishing date 2022-02-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Concerns related to returning home to a “difficult-to-return zone” after a long-term evacuation due to Fukushima Nuclear Power Plant Accident

    Tomoo Hidaka / Hideaki Kasuga / Takeyasu Kakamu / Shota Endo / Yusuke Masuishi / Tetsuhito Fukushima

    PLoS ONE, Vol 17, Iss

    A qualitative study

    2022  Volume 8

    Abstract: This study aimed to identify concerns related to returning to the Nagadoro district of Iitate Village, Fukushima Prefecture, Japan, in 2023 among its residents as it is designated as a difficult-to-return zone after the Fukushima Daiichi nuclear power ... ...

    Abstract This study aimed to identify concerns related to returning to the Nagadoro district of Iitate Village, Fukushima Prefecture, Japan, in 2023 among its residents as it is designated as a difficult-to-return zone after the Fukushima Daiichi nuclear power plant accident. The following four concerns were extracted from the interviews and qualitative analysis: “Difficulties in restarting/continuing farming,” which represent the difficulties in making a living from agriculture due to the absence of family members and neighbors, and the insufficient radiation decontamination; “Discriminatory treatment of products and residents from villagers,” which suggests the presence of discriminations that residents of Nagadoro district are eccentrics and its agricultural products should not be treated together with those of other districts in the Village due to the recognition that the district is severely polluted by radiation; “Shift of the responsibility of returning home from the country to residents by scapegoating,” which is characterized by the shift of responsibility from the government to the residents, including harsh social criticism of the residents of Nagadoro district for not returning even though the evacuation order has been lifted, when it should have been the government’s responsibility to recover the district to a habitable state; “Loss of options for continued evacuation,” which is the loss or weakening of the position of residents of the Nagadoro district who continue to evacuate, and of administrative compensation, resulting from the legal change that they are no longer “evacuees” after the evacuation order is lifted. The findings of this study will provide a foundation for the support of residents of the Nagadoro district after lifting the evacuation order scheduled for the spring of 2023. The findings may be transferable to the residents of other difficult-to-return zones expected to be lifted after the Nagadoro district and to also a radiation disaster-affected place in the future.
    Keywords Medicine ; R ; Science ; Q
    Subject code 900
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Concerns related to returning home to a "difficult-to-return zone" after a long-term evacuation due to Fukushima Nuclear Power Plant Accident

    Tomoo Hidaka / Hideaki Kasuga / Takeyasu Kakamu / Shota Endo / Yusuke Masuishi / Tetsuhito Fukushima

    PLoS ONE, Vol 17, Iss 8, p e

    A qualitative study.

    2022  Volume 0273684

    Abstract: This study aimed to identify concerns related to returning to the Nagadoro district of Iitate Village, Fukushima Prefecture, Japan, in 2023 among its residents as it is designated as a difficult-to-return zone after the Fukushima Daiichi nuclear power ... ...

    Abstract This study aimed to identify concerns related to returning to the Nagadoro district of Iitate Village, Fukushima Prefecture, Japan, in 2023 among its residents as it is designated as a difficult-to-return zone after the Fukushima Daiichi nuclear power plant accident. The following four concerns were extracted from the interviews and qualitative analysis: "Difficulties in restarting/continuing farming," which represent the difficulties in making a living from agriculture due to the absence of family members and neighbors, and the insufficient radiation decontamination; "Discriminatory treatment of products and residents from villagers," which suggests the presence of discriminations that residents of Nagadoro district are eccentrics and its agricultural products should not be treated together with those of other districts in the Village due to the recognition that the district is severely polluted by radiation; "Shift of the responsibility of returning home from the country to residents by scapegoating," which is characterized by the shift of responsibility from the government to the residents, including harsh social criticism of the residents of Nagadoro district for not returning even though the evacuation order has been lifted, when it should have been the government's responsibility to recover the district to a habitable state; "Loss of options for continued evacuation," which is the loss or weakening of the position of residents of the Nagadoro district who continue to evacuate, and of administrative compensation, resulting from the legal change that they are no longer "evacuees" after the evacuation order is lifted. The findings of this study will provide a foundation for the support of residents of the Nagadoro district after lifting the evacuation order scheduled for the spring of 2023. The findings may be transferable to the residents of other difficult-to-return zones expected to be lifted after the Nagadoro district and to also a radiation disaster-affected place in the future.
    Keywords Medicine ; R ; Science ; Q
    Subject code 900
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Heat-related illness risk and associated personal and environmental factors of construction workers during work in summer

    Takeyasu Kakamu / Shota Endo / Tomoo Hidaka / Yusuke Masuishi / Hideaki Kasuga / Tetsuhito Fukushima

    Scientific Reports, Vol 11, Iss 1, Pp 1-

    2021  Volume 6

    Abstract: Abstract Heat-related illness (HRI) is a common occupational injury, especially in construction workers. To explore the factors related to HRI risk in construction workers under hot outdoor working conditions, we surveyed vital and environmental data of ... ...

    Abstract Abstract Heat-related illness (HRI) is a common occupational injury, especially in construction workers. To explore the factors related to HRI risk in construction workers under hot outdoor working conditions, we surveyed vital and environmental data of construction workers in the summer season. Sixty-one workers joined the study and the total number of days when their vital data during working hours and environmental data were recorded was 1165. Heart rate with high-risk HRI was determined using the following formula: 180 − 0.65 × age. As a result of the logistic regression analysis, age, working area, maximum skin temperature, and heart rate immediately after warming up were significantly positively related, and experience of construction was significantly negatively related to heart rate with high-risk HRI. Heart rate immediately after warming up may indicate morning fatigue due to reasons such as insufficient sleep, too much alcohol intake the night before, and sickness. Asking morning conditions may lead to the prevention of HRI. For occupational risk management, monitoring of environmental and personal conditions is required.
    Keywords Medicine ; R ; Science ; Q
    Subject code 690
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Long-term observation of mortality among inpatients evacuated from psychiatric hospitals in Fukushima prefecture following the Fukushima nuclear disaster

    Toshihiro Terui / Yasuto Kunii / Hiroshi Hoshino / Takeyasu Kakamu / Tomoo Hidaka / Tetsuhito Fukushima / Nobuo Anzai / Daisuke Gotoh / Itaru Miura / Hirooki Yabe

    Scientific Reports, Vol 11, Iss 1, Pp 1-

    2021  Volume 8

    Abstract: Abstract The debate regarding the need for hospital evacuation and the evacuation distance remains rather chaotic. Furthermore, the relationship between hospital evacuation and the prognoses of psychiatric inpatients has not yet been investigated. We ... ...

    Abstract Abstract The debate regarding the need for hospital evacuation and the evacuation distance remains rather chaotic. Furthermore, the relationship between hospital evacuation and the prognoses of psychiatric inpatients has not yet been investigated. We aimed to reveal the association between the long-term prognosis of psychiatric inpatients evacuated immediately following the Fukushima Daiichi Nuclear Power Plant accident and their backgrounds. In this retrospective cohort study, 777 psychiatric inpatients who were immediately evacuated from their hospitals following the accident were included for analysis. Survival time was the primary outcome. We conducted univariable and multivariable analyses to examine the associations between mortality and linear distance of evacuation and different backgrounds, including psychiatric/physical traits. Univariable analysis showed that the estimated survival time among patients was significantly associated with their evacuation distance. A multivariable analysis showed that a longer evacuation distance had a significantly lower hazard ratio (HR) and resulted in lower mortality. In contrast, older patients with physical complications of respiratory disease (International Statistical Classification of Diseases and Related Health Problems 10th revision, J00–99) and genitourinary disease (N00–99) showed a significantly higher HR and had a higher mortality than patients without these complications. To prevent death among elderly psychiatric inpatients with physical comorbidities during disasters, the evacuation destination should be determined taking into consideration the evacuees’ tolerance for long-distance transportation and the availability of post-evacuation care in the destination hospitals.
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2021-07-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Association of Anxiety over Radiation Exposure and Acquisition of Knowledge Regarding Occupational Health Management in Operation Leader Candidates of Radioactivity Decontamination Workers in Fukushima, Japan

    Tomoo Hidaka / Takeyasu Kakamu / Shota Endo / Hideaki Kasuga / Yusuke Masuishi / Tomohiro Kumagai / Sei Sato / Takuma Sasaki / Tetsuhito Fukushima

    International Journal of Environmental Research and Public Health, Vol 17, Iss 1, p

    A Cross-Sectional Study

    2019  Volume 228

    Abstract: An operation leader (OL) of radioactivity decontamination workers is required by law to have accurate knowledge of occupational health management (OHM) such as working environment management, control of operations, and health management as a field ... ...

    Abstract An operation leader (OL) of radioactivity decontamination workers is required by law to have accurate knowledge of occupational health management (OHM) such as working environment management, control of operations, and health management as a field supervisor in Japan. The purpose of the current study is to examine the association between anxiety over radiation exposure and the possession/acquisition of the OHM knowledge required for OLs. In this cross-sectional study, data were collected before and after training sessions held by Fukushima Prefecture Labor Standard Associations in Fukushima, Japan, in 2017. Eighty-seven males who completed the questionnaires were enrolled to this study. As a result, acquisition of knowledge of working environment management was significantly associated with an increase of anxiety over radiation exposure after the session comparing the situation before and after the session (knowledge possession; odds ratio = 4.489; 95% confidence interval = 1.216, 16.571). In conclusion, acquisition of accurate knowledge of how to manage working environment management was associated with anxiety over radiation exposure. Although acquisition of said knowledge may contribute to the reduction of physical health risks, it may increase mental health risks. Both mental health support for OLs with accurate knowledge and educational support for those without accurate knowledge are required.
    Keywords occupational health management ; occupational mental health management ; knowledge management ; risk perception ; work safety ; radioactivity decontamination work ; fukushima nuclear power plant accident ; disaster psychology ; employee education ; Medicine ; R
    Subject code 306
    Language English
    Publishing date 2019-12-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Preventing heat illness in the anticipated hot climate of the Tokyo 2020 Summer Olympic Games

    Takeyasu Kakamu / Koji Wada / Derek R. Smith / Shota Endo / Tetsuhito Fukushima

    Environmental Health and Preventive Medicine, Vol 22, Iss 1, Pp 1-

    2017  Volume 6

    Abstract: Abstract Amid the effects of global warming, Tokyo has become an increasingly hot city, especially during the summertime. To prepare for the upcoming 2020 Summer Olympics and Paralympics in Tokyo, all participants, including the athletes, staff, and ... ...

    Abstract Abstract Amid the effects of global warming, Tokyo has become an increasingly hot city, especially during the summertime. To prepare for the upcoming 2020 Summer Olympics and Paralympics in Tokyo, all participants, including the athletes, staff, and spectators, will need to familiarize themselves with Tokyo’s hot and humid summer conditions. This paper uses the wet-bulb globe temperature (WBGT) index, which estimates the risk of heat illness, to compare climate conditions of sports events in Tokyo with the conditions of the past three Summer Olympics (held in Rio de Janeiro, London, and Beijing) and to subsequently detail the need for establishing appropriate countermeasures. We compared WBGT results from the past three Summer Olympics with the same time periods in Tokyo during 2016. There was almost no time zone where a low risk of heat illness could be expected during the time frame of the upcoming 2020 Tokyo Olympics. We also found that Tokyo had a higher WBGT than any of those previous host cities and is poorly suited for outdoor sporting events. Combined efforts by the official organizers, government, various related organizations, and the participants will be necessary to deal with these challenging conditions and to allow athletes to perform their best, as well as to prevent heat illnesses among staff and spectators. The sporting committees, as well as the Olympic organizing committee, should consider WBGT measurements in determining the venues and timing of the events to better avoid heat illness and facilitate maximum athletic performance.
    Keywords Public aspects of medicine ; RA1-1270
    Subject code 796
    Language English
    Publishing date 2017-09-01T00:00:00Z
    Publisher Komiyama Printing Co. Ltd
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Dioxins levels in human blood after implementation of measures against dioxin exposure in Japan

    Basilua Andre Muzembo / Miyuki Iwai-shimada / Tomohiko Isobe / Kokichi Arisawa / Masayuki Shima / Tetsuhito Fukushima / Shoji F. Nakayama

    Environmental Health and Preventive Medicine, Vol 24, Iss 1, Pp 1-

    2019  Volume 16

    Abstract: Abstract Background Over the past few decades, the Japanese Ministry of the Environment has been biomonitoring dioxins in the general Japanese population and, in response to public concerns, has taken measures to reduce dioxin exposure. The objectives of ...

    Abstract Abstract Background Over the past few decades, the Japanese Ministry of the Environment has been biomonitoring dioxins in the general Japanese population and, in response to public concerns, has taken measures to reduce dioxin exposure. The objectives of this study were to assess the current dioxin dietary intake and corresponding body burden in the Japanese and compare Japanese dioxin data from 2011 to 2016 and 2002–2010 surveys. We also examined the relationship between blood dioxins and health parameters/clinical biomarkers. Methods From 2011 to 2016, cross-sectional dioxin surveys were conducted on 490 Japanese (242 males and 248 females, aged 49.9 ± 7.6 years) from 15 Japanese prefectures. Blood (n = 490) and food samples (n = 90) were measured for 29 dioxin congeners including polychlorinated dibenzo-para-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and coplanar polychlorinated biphenyls (Co-PCBs) using gas chromatography coupled with high-resolution mass spectrometry. Using the 2006 World Health Organization toxic equivalence factors, the toxic equivalents (TEQs) were calculated. Clinical biomarkers and anthropometric parameters were also measured and information on lifestyle behaviours collected. Data imputations were applied to account for blood dioxins below the detection limit. Results The median (95% confidence interval or CI) blood levels and dioxin dietary intake was respectively 9.4 (8.8–9.9) pg TEQ/g lipid and 0.3 (0.2–0.4) pg TEQ/kg body weight/day. The median blood dioxin level in the 2011–2016 survey was found to have decreased by 41.3% compared to the 2002–2010 surveys. Participants who were older were found to be more likely to have higher dioxin levels. Blood dioxins were also significantly associated with body mass index, triglycerides, docosahexaenoic acid, eicosapentaenoic acid, and dihomo-gamma-linoleic acid levels in blood. Furthermore, associations between blood dioxin and dietary dioxin intake were evident in the unadjusted models. However, after adjusting for confounders, ...
    Keywords Coplanar polychlorinated biphenyls ; Cross-sectional sample ; Dietary dioxin intake ; Dioxins ; Polychlorinated dibenzo-p-dioxins ; Polychlorinated dibenzofurans ; Public aspects of medicine ; RA1-1270
    Subject code 610
    Language English
    Publishing date 2019-01-01T00:00:00Z
    Publisher Komiyama Printing Co. Ltd
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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