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Fundamentals of end-of-life communication as part of advance care planning from the perspective of nursing staff, older people, and family caregivers: a scoping review. BMC Nurs 2023; 22:363. [PMID: 37803343 PMCID: PMC10559445 DOI: 10.1186/s12912-023-01523-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 09/20/2023] [Indexed: 10/08/2023] Open
Abstract
BACKGROUND Nursing staff is ideally positioned to play a central role in end-of-life communication as part of advance care planning for older people. However, this requires specific skills and competences. Only fragmented knowledge is available concerning important fundamentals in end-of-life communication performed by nursing staff. OBJECTIVE This review aimed to explore the fundamentals of end-of-life communication as part of advance care planning in the hospital, nursing home and home care setting, from the perspective of the nursing staff, the older person, and the family caregiver. DESIGN Scoping review. METHODS A literature search in PubMed, PsycINFO, CINAHL and Google (Scholar) was conducted on August 20, 2022. The search strategy followed the sequential steps as described in the Joanna Briggs Institute Manual. Peer-reviewed articles of empirical research and gray literature written in English or Dutch and published from 2010 containing fundamentals of end-of-life communication as part of advance care planning from the perspective of nursing staff, older people, and family caregivers in the hospital nursing home or home care setting were considered eligible for review. RESULTS Nine studies were included, and four themes were composed, reflecting 11 categories. Nursing staff attunes end-of-life communication to the values and needs of older people to approach the process in a person-centered manner. This approach requires additional fundamentals: building a relationship, assessing readiness, timing and methods to start the conversation, communication based on information needs, attention to family relationships, a professional attitude, improving communication skills, listening and non-verbal observation skills, and verbal communication skills. CONCLUSIONS This review is the first to compile an overview of the fundamentals of end-of-life communication performed by nursing staff. Building a nursing staff-older-person relationship is the most important foundation for engaging in a person-centered end-of-life communication process. Knowing each other enables nursing staff to have a sense of older people's readiness, determine the right timing to initiate an end-of-life conversation, identify specific needs, and accurately apply (non-)verbal observation skills. end-of-life communication is not a one-time conversation, but a complex process that takes time, effort, and genuine interest in each other.
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Nursing Staff Needs in Providing Palliative Care for Persons With Dementia at Home or in Nursing Homes: A Survey. J Nurs Scholarsh 2020; 52:164-173. [PMID: 32039556 PMCID: PMC7078976 DOI: 10.1111/jnu.12542] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2020] [Indexed: 11/30/2022]
Abstract
PURPOSE This study aimed to evaluate what types and forms of support nursing staff need in providing palliative care for persons with dementia. Another aim was to compare the needs of nursing staff with different educational levels and working in home care or in nursing homes. DESIGN A cross-sectional, descriptive survey design was used. METHODS A questionnaire was administered to a convenience sample of Dutch nursing staff working in the home care or nursing home setting. Data were collected from July through October 2018. Quantitative survey data were analyzed using descriptive statistics. Data from two open-ended survey questions were investigated using content analysis. FINDINGS The sample comprised 416 respondents. Nursing staff with different educational levels and working in different settings indicated largely similar needs. The highest-ranking needs for support were in dealing with family disagreement in end-of-life decision making (58%), dealing with challenging behaviors (41%), and recognizing and managing pain (38%). The highest-ranking form of support was peer-to-peer learning (51%). If respondents would have more time to do their work, devoting personal attention would be a priority. CONCLUSIONS Nursing staff with different educational levels and working in home care or in nursing homes endorsed similar needs in providing palliative care for persons with dementia and their loved ones. CLINICAL RELEVANCE It is critical to understand the specific needs of nursing staff in order to develop tailored strategies. Interventions aimed at increasing the competence of nursing staff in providing palliative care for persons with dementia may target similar areas to support a heterogeneous group of nurses and nurse assistants, working in home care or in a nursing home.
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THE IMPACT OF DAILY NURSE ON NURSING STAFF BEHAVIOR IN NURSING HOMES. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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The role of nursing staff in the activities of daily living of nursing home residents. Geriatr Nurs 2017; 38:225-230. [DOI: 10.1016/j.gerinurse.2016.11.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 10/28/2016] [Accepted: 11/07/2016] [Indexed: 11/17/2022]
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Nutritional care; do process and structure indicators influence malnutrition prevalence over time? Clin Nutr 2014; 33:459-65. [DOI: 10.1016/j.clnu.2013.06.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 04/10/2013] [Accepted: 06/24/2013] [Indexed: 10/26/2022]
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International prevalence measurement of care problems: results. J Adv Nurs 2013; 69:e5-17. [DOI: 10.1111/jan.12189] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2013] [Indexed: 11/27/2022]
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An International prevalence measurement of care problems: study protocol. J Adv Nurs 2013; 69:e18-29. [DOI: 10.1111/jan.12190] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2013] [Indexed: 11/30/2022]
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Validity and Reliability of Tools to Measure Muscle Mass, Strength, and Physical Performance in Community-Dwelling Older People: A Systematic Review. J Am Med Dir Assoc 2013; 14:170-8. [PMID: 23276432 DOI: 10.1016/j.jamda.2012.10.009] [Citation(s) in RCA: 295] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2012] [Accepted: 10/18/2012] [Indexed: 10/27/2022]
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The economic costs of disease related malnutrition. Clin Nutr 2013; 32:136-41. [PMID: 22789931 DOI: 10.1016/j.clnu.2012.06.009] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 06/04/2012] [Accepted: 06/19/2012] [Indexed: 10/28/2022]
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Structural and process indicators of nutritional care: A comparison between Austrian hospitals and nursing homes. Nutrition 2012; 28:868-73. [DOI: 10.1016/j.nut.2011.11.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2011] [Revised: 11/09/2011] [Accepted: 11/09/2011] [Indexed: 10/14/2022]
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Predicting falls in elderly receiving home care: the role of malnutrition and impaired mobility. J Nutr Health Aging 2012; 16:654-8. [PMID: 22836709 DOI: 10.1007/s12603-012-0010-7] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
UNLABELLED To investigate the role of malnutrition, impaired mobility and care dependency in predicting fallers in older Dutch home care clients. DESIGN This study is a secondary analysis of data of the annual independent national prevalence measurement of care problems of Maastricht University. The design involves a cross-sectional, multicentre point prevalence measurement (malnutrition, mobility), and a 30 days incidence measurement (falls). SETTING Dutch home care organisations. PARTICIPANTS 2971 clients (older than 65 years) from 22 home care organizations participated. MEASUREMENTS A standardized questionnaire was used to register amongst others data of weight, height, number and type of diseases (like for example neurologic diseases, dementia, CVA, COPD, eye/ear disorders, musculoskeletal disorders), nutritional intake, use of psychopharmaca, undesired weight loss, fall history, mobility, and care dependency. RESULTS The study was able to show that fallers are more often malnourished than non-fallers in the univariate analysis. Most importantly the study indicated by multivariate analysis that fallers could be predicted by the risk factors immobility ((OR 2.516 95% CI 1.144-5.532), high care dependency (OR 1.684 95% CI 1.121-2.532) and malnutrition (OR 1.978 95% CI 1.340-2.920). CONCLUSION The findings of this study stress that malnutrition, impaired mobility and care dependency are potential reversible factors related to falls. Therefore early identification and management of nutritional status, impaired mobility and care dependency are important aspects for a possible fall prevention strategy.
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Malnutrition in Dutch health care: Prevalence, prevention, treatment, and quality indicators. Nutrition 2009; 25:512-9. [DOI: 10.1016/j.nut.2008.11.004] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2008] [Revised: 10/28/2008] [Accepted: 11/05/2008] [Indexed: 11/16/2022]
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Differences in nutritional care in pressure ulcer patients whether or not using nutritional guidelines. Nutrition 2008; 24:127-32. [DOI: 10.1016/j.nut.2007.10.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2007] [Revised: 10/18/2007] [Accepted: 10/18/2007] [Indexed: 11/15/2022]
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Mortality of Dutch coal miners in relation to pneumoconiosis, chronic obstructive pulmonary disease, and lung function. Occup Environ Med 1997; 54:708-13. [PMID: 9404317 PMCID: PMC1128924 DOI: 10.1136/oem.54.10.708] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVES To analyse the mortality patterns of former Dutch coal miners, focusing on coal workers' pneumoconiosis (CWP) and chronic obstructive pulmonary diseases (COPD) in relation to pre-existing impairment of lung function. METHODS 3790 selected miners, medically examined between 1952 and 1963, were followed up to the end of 1991 with the municipal population registries and the causes of death from the death certificates were ascertained and converted to the codes from the ninth revision of the international classification of diseases (ICD-9). Mortality comparisons were made with the male population in The Netherlands, resulting in standardised mortality ratios (SMRs). 3367 miners had radiological manifestation of CWP at medical examinations. RESULTS 80% of the miners died during the follow up period. Excess mortalities from CWP (SMR 4523) and COPD (SMR 179) were found. Coal miners without CWP also showed an increased mortality from COPD (SMR 2913). A diminished lung function (forced expiratory volume in one second (FEV1), or FEV1/FVC (forced vital capacity) ratio) at medical examination resulted in a significantly increased SMR for COPD (322 and 212 respectively) whereas normal lung function yielded expected mortalities from COPD. A positive correlation also emerged between diminished lung function and the SMR due to CWP. The body mass index (BMI) at the moment of medical examination was correlated with the risk of dying of COPD and CWP: a decreasing BMI resulting in an increased SMR. CONCLUSIONS Not only infectious diseases and CWP but also COPD is an important cause of occupational mortality in miners with extensive exposure to coal mine dust. No obvious connection between pre-existing CWP and the COPD mortality exists. Impaired FEV1 and FEV1/FVC ratios are predictors of an increased risk of COPD death. The BMI seems to indicate the severity of the COPD, resulting in premature death.
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Abstract
Carcinogenic effects of chemicals can be investigated in animal experiments and epidemiological studies of exposed humans, mostly in the workplace. In this article epidemiologic evidence is compared with the animal data for 35 chemicals. Risk calculations are compared for 22 chemicals. The chemicals showing no or unclear carcinogenic effects in humans were more likely to show toxic side effects in the animal studies, indicating that the test concentrations were above the maximum tolerated dose. In addition, the animal experiments with these chemicals more often showed neoplastic effects on multiple sites than chemicals for which clear positive epidemiological studies are available. These findings may explain the existence of discrepancies between the outcomes of animal testing and human studies. They suggest that carcinogenic effects in multiple organs in animals could be seen as ultimate manifestations of the side effects of the testing method and that they have limited predictive value for the human situation.
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Abstract
A retrospective cohort study in 1794 male ceramic workers in the Netherlands was carried out to analyze the lung cancer risk in relation to crystalline silica exposure and silicosis. They had all been employed for two years or longer in ceramic industries between 1972 and 1982. During a health survey, 124 cases of simple pneumoconiosis were diagnosed; after 14 years of follow-up, 161 deaths had occurred. No increased overall and cause-specific mortality was found in the total group of ceramic workers, and a statistically significant cumulative dose-response relation for silica exposure and lung cancer did not emerge. An excess lung cancer mortality appeared among workers with simple pneumoconiosis. The authors conclude that the disease process resulting in silicosis in the ceramic industry carries an increased risk of lung cancer, which is supportive of a nongenotoxic pathway.
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Risk of gastric cancer in pneumoconiotic coal miners and the effect of respiratory impairment. Occup Environ Med 1995; 52:606-10. [PMID: 7550801 PMCID: PMC1128314 DOI: 10.1136/oem.52.9.606] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVES This study was carried out to investigate the mortality patterns in a group of 3790 coal miners. The study population had abnormal chest x ray films at a routine medical examination that was performed in the 1950s. METHODS The total group of 3790 coal miners were followed up for mortality up to 1 January 1992. Causes of death, determined and coded at time of death, were traced with help from the Central Bureau of Statistics. RESULTS Total mortality in this group of coal miners with abnormal chest x ray films was significantly higher than expected (SMR 127.1, 95% CI 122.5-131.6), mainly a reflection of the increase in mortality from non-malignant respiratory disease (SMR 411.0, 95% CI 382.3-441.3). Mortality from gastric cancer was also significantly increased (SMR 147.5, 95% CI 122.3-176.3). This risk of mortality from gastric cancer was confined to workers with no pneumoconiosis or only a mild form. Despite the strong relation to duration of employment and pneumoconiosis the group of workers with more severe manifestations of pneumoconiosis did not experience an excess in mortality from gastric cancer. CONCLUSION This study confirms the earlier reported risk of gastric cancer in coal miners. Also it confirms the hypothesis that this risk of gastric cancer is limited to workers with a mild degree of pneumoconiosis or none. In workers with severe forms of pneumoconiosis the pulmonary clearance system is impaired in such a way that the inhaled coal dust does not reach the digestive tract.
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Cancer mortality and residence near electricity transmission equipment: a retrospective cohort study. Int J Epidemiol 1993; 22:9-15. [PMID: 8449653 DOI: 10.1093/ije/22.1.9] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Several studies in recent years have raised the possibility that exposure to extreme low frequency (ELF) electromagnetic fields may be hazardous to human health, in particular by the promotion or initiation of leukaemia and other cancers. To determine if this exposure creates a long-term hazard to the public, the mortality of a group of people identified as having lived in an urban quarter of Maastricht in which two 150 kiloVolt (kV) powerlines and one transformer substation are located was investigated. Using the Dutch population registry it was possible to identify retrospectively 3549 inhabitants of the quarter who lived there for at least 5 years between 1956 and 1981. Of these 1552 study subjects lived within 100 m of the electricity transmission equipment and were exposed to magnetic field intensity of 1.0-11.0 milliGauss. The overall standardized mortality ratio and cancer mortality ratios were either not or only slightly elevated. The study does not support previously reported associations of exposure to ELF electromagnetic fields with leukaemia, brain cancer and breast cancer.
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Occupational epidemiological studies in risk assessment and their relation to animal experimental data. Regul Toxicol Pharmacol 1992; 16:215-22. [PMID: 1293639 DOI: 10.1016/0273-2300(92)90002-q] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The role of epidemiological and animal experimental studies in the process of qualitative and quantitative risk assessment is discussed. So far little agreement exists between animal experimental data and epidemiological outcomes in the procedure of qualitative risk assessment. Several reasons for these discrepancies are mentioned. The application of existing epidemiological study results in quantitative risk assessment is hampered by factors, such as the lack of exact exposure information (compound, level, duration), undefined other exposures in and outside the working environment, small sample sizes, the comparatively short duration of epidemiological studies and the absence of detailed information about the specific effects. All this resulted in a relatively small impact of epidemiological studies in risk assessment. Recommendations are made in order to improve the impact of epidemiology in risk assessment.
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[Work conflict and mental disorders]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1991; 135:2097-8. [PMID: 1944683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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[Course and distribution of mortality of pleural mesothelioma in The Netherlands, 1970-1987]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1991; 135:93-8. [PMID: 1996167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In this article the sex- and age-specific trends and geographical distribution of asbestos related pleural mesothelioma mortality in the Netherlands between 1970 and 1987 are investigated. For men total mortality increased from 10.8 per million during 1970-1978 to 20.9 per million during 1979-1987. The highest mortality occurred with 147.7 per million in 1987 in the age group between 65 and 74 years. Mortality rates for the age group between 55 and 64 years amounted to 96.5 per million in 1987. The geographical distribution over the country showed a strong concentration of male mesothelioma cases in the regions with many harbours, shipyards and heavy industries round Amsterdam, IJmuiden, Rotterdam, Dordrecht and Walcheren. Using linear regression techniques, it was calculated that several thousands new mesothelioma cases will occur in the Netherlands during the next two decades. A significant decrease in mesothelioma mortality can not be expected before 2010.
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Long-term mortality in miners with coal workers' pneumoconiosis in The Netherlands: a pilot study. Am J Ind Med 1991; 19:43-50. [PMID: 1989436 DOI: 10.1002/ajim.4700190106] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In order to investigate whether the prolonged exposure to coal mine dust increases the cancer risk for coal miners, a pilot study in a selected cohort of 334 Dutch miners with coal workers' pneumoconiosis (CWP), followed from 1956 until 1983, was conducted. In total, 165 miners had died (49.4%); for 162 (98.2%) the cause of death was traced. In comparison to the general Dutch male population, total mortality in the cohort was statistically significantly increased (SMR: 153). This was in general due to the significantly higher than expected cancer mortality (SMR: 163), cancer of stomach and small intestine (SMR: 401) and nonmalignant respiratory disease (SMR: 426). The lung cancer mortality was within the expected range.
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Trends and geographical patterns of pleural mesotheliomas in the Netherlands 1970-87. BRITISH JOURNAL OF INDUSTRIAL MEDICINE 1990; 47:775-781. [PMID: 2245188 PMCID: PMC1035269 DOI: 10.1136/oem.47.11.775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The sex and age related trends and geographical distribution of asbestos related mortality from pleural mesothelioma in the Netherlands between 1970 and 1987 were investigated. Deaths from pleural malignancies recorded by the Dutch Central Bureau of Statistics (CBS) were used and death rates were age adjusted per year by the indirect method. Standardised mortality ratios (SMRs) were computed for 43 regions over the period 1979-86. For men, total mortality increased from 10.8 per million in the period 1970-8 to 20.9 per million during 1979-87. The highest mortality occurred in the group aged between 65 and 74 with 147.7 per million in 1987. The death rate for the group aged between 55 and 64 was 96.5 per million in 1987. For women, total death rates for pleural mesothelioma showed a moderate increase from 2.5 per million in the period 1970-8 to 3.6 per million during 1979-87. The highest mortality occurred in the group aged over 65, fluctuating around 10-15 per million. For men and women under 45 mortality was very low and presented no upward trend. The geographical distribution over the country for the period 1979-86 showed a pattern with a clear concentration of deaths from mesothelioma in men, in conurbations with many harbours, shipyards, and heavy industry near the river mouths and along the North Sea Coast.
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Abstract
The results are presented from a case-control study, concerning the possible relation between silica exposure in the Dutch fine ceramic industry and lung cancer. For this purpose 381 male, age-matched pairs of primary lung cancer cases and controls were selected from the pathology department of the University Hospital in the region, where two large ceramic companies are located. Information about employment in the ceramic industry was obtained from the personnel and financial administration departments of the two companies. On the basis of job titles a panel of occupational hygiene experts reached consensus about the qualitative exposures of each individual worker. Twenty one per cent of the cases were employed in the ceramic industry, compared with 19% of the controls (odds ratio 1.11; 95% Cl: 0.77-1.61). Although the average employment period of cases and their relative silica exposure surpassed those of controls, odds ratios for long duration of employment and considerable exposure to respirable silica dust did not reach statistical significance. After constructing a qualitative exposure index, based on the amount and duration of exposure, a tendency towards a positive correlation with lung cancer emerged. No relation between specific histological tumour cell types and working in the ceramic industry emerged. Although the study does not suggest a consistent cause-effect relation between silica exposure in the regional, Dutch fine ceramic industry and lung cancer, an increased risk for the high exposure group in the past can not be totally excluded.
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Neuropsychiatric disorders among solvent-exposed workers. First results from a Dutch case-control study. Int Arch Occup Environ Health 1990; 62:127-32. [PMID: 2323831 DOI: 10.1007/bf00383589] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
This case-control study was undertaken to determine whether exposure to organic solvents, as experienced by Dutch painters, causes an increased risk of disability due to neuropsychiatric disorders. Cases and controls were selected from the Dutch Painters' and Construction Workers' Organizations. Cases were defined as male persons receiving disability benefits due to neuropsychiatric disorders. The controls consisted of a random sample of 1000 male persons from the total study population. Cases (n = 252) and controls (n = 822) participated in our study by returning the completed questionnaires. The questionnaire was used to collect information about occupational history and the presence of potentially confounding factors. The adjusted Odds Ratio for the total group of neuropsychiatric disorders did not reach a statistically significant level (OR = 1.17; P less than 0.30). Although a stronger association was suggested between "neuroses" (ICD 300) and exposure to organic solvents (OR = 2.30; P less than 0.05), there are indications that this relationship is merely the result of classification bias. The results of this study do not confirm, but also do not completely exclude, that Dutch painters are at increased risk of being prematurely disabled due to neuropsychiatric disorders.
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Molecular epidemiology of coal worker's pneumoconiosis: application to risk assessment of oxidant and monokine generation by mineral dusts. Exp Lung Res 1990; 16:57-71. [PMID: 2307148 DOI: 10.3109/01902149009064699] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
It is generally accepted that fibrotic lung diseases are mediated by macrophage-derived cytokines and growth factors. Basic research continues to find new factors involved in these disease processes to incorporate into new hypotheses. Two hypotheses implicitly generated by recent findings were tested in an epidemiologic approach among workers in coal mines. This approach is described as molecular epidemiology and is exemplified by two studies focused on different mechanistic aspects of coal workers' pneumoconiosis (CWP): antioxidants in red blood cells of miners with CWP and generation of tumor necrosis factor (TNF) by blood monocytes of miners with CWP. Most findings in the antioxidant study may merely be reflections of pulmonary inflammatory processes. Some data in the TNF study indicate, however, that TNF release is a risk factor for the development of lung fibrosis after prolonged exposure to coal mine dust.
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Abstract
The results of two epidemiologic investigations on dust-related lung diseases are presented. The two studies had different aims and designs. A cross-sectional study was done to investigate the silicosis prevalence in Dutch fine ceramic workers. In the small ceramic workshops in the Gouda region, simple pneumoconiosis is still commonly present (13.3%), whereas the silicosis prevalence in the highly mechanized industries is low (1.7%). Furthermore, heavy smoking seems to enhance the risk for silicosis after long-term exposure to quartz. A case-control study was performed to analyze the relation between dust exposure in the fine ceramic and coal mining industries and lung cancer. No relation between a work history in the dusty trades and lung cancer emerged, and a correlation with a specific histologic tumor cell type could not be demonstrated. Apparently, workers in the Dutch fine ceramic or coal mining industry have no increased risk of developing lung malignancies.
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Risk assessment of leukaemia and occupational exposure to benzene. BRITISH JOURNAL OF INDUSTRIAL MEDICINE 1989; 46:826-30. [PMID: 2611155 PMCID: PMC1009878 DOI: 10.1136/oem.46.12.826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Experimental toxicological studies have offered clear evidence that benzene induces haematopoietic neoplasms, and it is generally accepted that exposure to benzene is a risk factor for leukaemia, in particular for acute non-lymphatic leukaemia. Quantitative aspects of benzene risk assessment are still a matter of controversy, however. In several risk assessments an estimated 50 deaths from leukaemia per 1000 deaths would arise from exposures to benzene of 10 ppm during a working life of 30 years. The assessment presented in this paper leads to lower estimates, which are more in agreement with the weak toxicological data. Furthermore, an approach is presented to incorporate the results of low exposure epidemiological studies into the process of quantitative risk assessment.
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Occupational cohort studies: the influence of design characteristics on the healthy worker effect. Int J Epidemiol 1989; 18:970-5. [PMID: 2695476 DOI: 10.1093/ije/18.4.970] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A cross-sectional analysis of the relation between the estimated healthy worker effect (HWE), as measured by a total Standardized Mortality Ratio (SMR) less than 100, and relevant design characteristics in 270 published retrospective occupational cohort studies is presented. The majority of the reviewed studies showed a HWE, varying in SMR from 50 to 99 (mean: 84). The estimated HWE seemed to influence the final outcomes of the studies to a great extent. A tendency for a positive relation between the study size in terms of the number of exposed workers, total number of person-years of follow-up, and the HWE emerged. Studies with a comparatively short follow-up period had an increased chance of resulting in a HWE. Cross-sectional cohorts did not show a stronger HWE than open cohorts. Studies of chemical exposures revealed a fivefold excess of having a HWE compared with other studies.
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Exposure-outcome relationships between organic solvent exposure and neuropsychiatric disorders: results from a Dutch case-control study. Am J Ind Med 1989; 16:707-18. [PMID: 2596490 DOI: 10.1002/ajim.4700160610] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
In this article the material collected for a case-control study is analyzed in order to evaluate the existence of relationships between organic solvent exposure and the entitlement to disability benefits due to neuropsychiatric disorders. Questionnaires were used to collect information on 252 cases receiving compensation due to neuropsychiatric disorders and 822 controls about their occupational history and work practices related to organic solvent exposure. In order to estimate the exposure to organic solvents, three exposure indices were used: duration of exposure, painters' index, and general exposure index. Analysis showed some tendencies indicating positive exposure-outcome relationships. Furthermore, some work activities and working conditions associated with high exposure to organic solvents (e.g., poor ventilation, using paint removers) resulted in a marked increase of the likelihood for receiving disability benefits due to neuropsychiatric disorders.
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Influence of design characteristics on the outcome of retrospective cohort studies. BRITISH JOURNAL OF INDUSTRIAL MEDICINE 1988; 45:624-629. [PMID: 3179238 PMCID: PMC1009666 DOI: 10.1136/oem.45.9.624] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Retrospective cohort studies are increasingly being applied in occupational health. To describe and investigate further this type of study 179 retrospective cohort studies published in six scientific journals between 1975 and 1985 inclusive were reviewed. A description of the 179 reviewed articles was made and relations between investigator orientated variables, design characteristics, and the outcome of the study were investigated. Retrospective cohort studies focusing on exposures in the chemical industry appeared to yield most negative findings, which is partly explained by the relation between the affiliation of the investigator and the outcome of the study. Studies requiring a minimal latency period, an occupational reference group, and a low percentage of lost to follow up tended to have a higher chance of a positive finding. Study size, however, did not appear to be related to the outcome.
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[Passive smoking and lung cancer]. NEDERLANDS TIJDSCHRIFT VOOR GENEESKUNDE 1988; 132:60-4. [PMID: 3277069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Abstract
A case-control study was conducted in the southern part of The Netherlands to investigate the risk of lung cancer in coal miners; 381 age-matched pairs of primary lung cancer cases and controls, diagnosed between 1972 and 1988, were selected from the pathology department of the University Hospital in the region. Information about past employment in coal mines was obtained through the registers of the collaborative pension fund for Dutch miners. 20% of the cases were (at some time) employed in coal mining, compared with 21% of the controls (odds ratio 0.95; 95% confidence interval: 0.65-1.38). 9% of both cases and controls had an underground work history (odds ratio 0.96; 95% confidence interval: 0.56-1.65). The duration of underground coal mining did not differ substantially between cases and referents (average duration: respectively 117 and 108 months). No relation between specific histologic tumor cell types and coal mining could be demonstrated. The study gives no indication that workers in Dutch coal mines have an increased risk of developing lung malignancies.
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Lung cancer risk among workers with silicosis: potential confounding by smoking habits. Am J Ind Med 1987; 12:223-5. [PMID: 3661574 DOI: 10.1002/ajim.4700120211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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