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1.
Background
It is widely acknowledged that adverse lifestyle behaviours in the population now will place an unsustainable burden on health service resources in the future. It has been estimated that the combined cost to the NHS in Wales of overweight and obesity, alcohol and tobacco is in excess of £540 million.In the current climate of financial austerity, there can be a tendency for the case for prevention efforts to be judged on the basis of their scope for cost savings. This paper was prompted by discussion in Wales about the evidence for the cost savings from prevention and early intervention and a resulting concern that these programmes were thus being evaluated in policy terms using an incorrect metric. Following a review of the literature, this paper contributes to the discussion of the potential role that economics can play in informing decisions in this area.Discussion
This paper argues that whilst studies of the economic burden of diseases provide information about the magnitude of the problem faced, they should not be used as a means of priority setting. Similarly, studies discussing the likelihood of savings as a result of prevention programmes may be distorting the arguments for public health.Prevention spend needs to be considered purposefully, resulting in a strategic commitment to spending. The role of economics in this process is to provide evidence demonstrating that information and support can be provided cost effectively to individuals to change their lifestyles thus avoiding lifestyle related morbidity and mortality. There is growing evidence that prevention programmes represent value for money using the currently accepted techniques and decision making metrics such as those advocated by NICE.Summary
The issue here is not one of arguing that the economic evaluation of prevention and early intervention should be treated differently, although in some instances that may be appropriate, rather it is about making the case for these interventions to be treated and evaluated to the same standard. The difficulty arises when a higher standard of cost saving may be expected from prevention and public health programmes.The paper concludes that it is of vital importance that during times of budget constraints, as currently faced, the public health budgets are not eroded to fund secondary care budget shortfalls, which are more easily identifiable. To do so would diminish any possibility of reducing the future burden faced by the NHS of lifestyle-related illnesses.2.
3.
Weight of the evidence or wait for the evidence? Protecting underground miners from diesel particulate matter
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Monforton C 《American journal of public health》2006,96(2):271-276
A coalition of mine operators has used a variety of tactics to obstruct scientific inquiry and impede public health action designed to protect underground miners from diesel particulate matter. These workers are exposed to the highest level of diesel particulate matter compared with any other occupational group.This case study profiles a decade-long saga of the Methane Awareness Resource Group Diesel Coalition to impede epidemiological studies on diesel exhaust undertaken by the National Institute for Occupational Safety and Health and the National Cancer Institute, and to derail a health standard promulgated by the Mine Safety and Health Administration. The case study highlights the coalition's mastery of legislative, judicial, and executive branch operations and the reaction of policymakers. 相似文献
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Ellinger S Ellinger J Stehle P 《Current opinion in clinical nutrition and metabolic care》2006,9(6):722-727
PURPOSE OF REVIEW: Lycopene-rich foods such as fresh tomatoes and tomato products are discussed as potential effectors in the prevention and therapy of prostate cancer. This review provides an overview on the efficacy of supplementation with tomatoes, tomato products and lycopene on appropriate surrogate endpoint biomarkers such as DNA damage and metabolites of the insulin-like growth factor pathway in healthy individuals and prostate cancer patients. RECENT FINDINGS: Intervention studies show that the daily consumption of one serving of tomatoes or tomato products, but not supplementation with lycopene alone, increases the resistance of mononuclear leukocytes against DNA strand breaks induced by reactive oxygen species in healthy volunteers. Data from clinical trials with prostate cancer patients are scarce and contradictory. There is a paucity of reliable data on DNA damage in prostate tissue. SUMMARY: Increasing evidence suggests that a single serving of tomatoes or tomato products ingested daily may contribute to protect from DNA damage. As DNA damage seems to be involved in the pathogenesis of prostate cancer, the regular ingestion of tomatoes or tomato products might prevent the disease. Further well-designed studies are necessary to establish the role of tomatoes and tomato products in the prevention and therapy of prostate cancer. 相似文献
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Lisa O’Brien Nathan Shaffer Nalinee Sangrujee Taiwo O Abimbola 《Bulletin of the World Health Organization》2014,92(3):162-170
Objective
To estimate the incremental cost over 5 years of a policy switch from the Option B to the Option B+ protocol for the prevention of mother-to-child transmission (PMTCT) of the human immunodeficiency virus (HIV).Methods
Data from cost studies and other published sources were used to determine the cost, per woman and per cohort (1000 breastfeeding and 1000 non-breastfeeding women), of switching from Option B (maternal triple antiretroviral [ARV] regimen during pregnancy and breastfeeding plus daily nevirapine for the infant for 6 weeks) to Option B+ (maternal triple ARV regimen initiated during pregnancy and continued for life). The variables used to model the different scenarios were maternal CD4+ T lymphocyte (CD4+ cell) count (350–500 versus > 500 cells/µl), rate of decline in CD4+ cells (average, rapid, slow), breastfeeding status (yes, no) and breastfeeding duration (12, 18 or 24 months).Findings
For women with CD4+ cell counts of 350–500 cells/µl, the incremental cost per 1000 women was 157 345 United States dollars (US$) for breastfeeding women and US$ 92 813 for non-breastfeeding women. For women with CD4+ cell counts > 500 cells/µl, the incremental cost per 1000 women ranged from US$ 363 443 to US$ 484 591 for breastfeeding women and was US$ 605 739 for non-breastfeeding women.Conclusion
From a cost perspective, a policy switch from Option B to Option B+ is feasible in PMTCT programme settings where resources are currently being allocated to Option B. 相似文献7.
Coronary risk factors and clinical gallbladder disease: an approach to the prevention of gallstones? 总被引:5,自引:1,他引:4
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We examined the relationship of "coronary" risk factors to clinical gallbladder disease prevalence in a cross-sectional survey. Persons with hypercholesterolemia, hypertriglyceridemia, or low high-density-lipoprotein cholesterol levels had elevated risks for clinical gallbladder disease. Smokers of 20 pack-years or more and infrequent users of alcohol had increased risks, as did persons with hypertension or diabetes mellitus. After adjusting for age, body mass index, ethnicity, and the coronary variables, relationships persisted for diabetes in women (OR = 1.8) and frequent alcohol use in men (OR = 0.3). The proportion of gallbladder disease related to all coronary risk factors was estimated to be 52 per cent. 相似文献
8.
Hughes RA Sinha A Aspinal F Dunckley M Addington-Hall J Higginson IJ 《International journal of health care quality assurance incorporating Leadership in health services》2004,17(1):47-52
Clinical outcome measures are used in clinical audit to monitor the quality of care provided to patients. As information technology (IT) is increasingly being integrated into the delivery of health care, computerising the use of clinical outcome measures has been proposed. However, little is known about the attitudes of health professionals towards this. Aims to understand professionals' views on adapting one clinical outcome measure--the palliative care outcome scale (POS)--for use on hand-held computers. Concludes that these results reinforce existing research on clinical outcome measures and IT in health care; identify special palliative care issues when considering the use of computerised clinical outcome measures with patients; and highlight the need for further research. 相似文献
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Humphreys H 《The Journal of hospital infection》2004,56(2):93-100; quiz 163
Positive-pressure ventilation implies a sealed room, usually with an anteroom to facilitate the donning of protective clothing, airflows of at least 12 air changes per hour and high-efficiency particulate air (HEPA) to prevent infection in susceptible patients. Laminar airflow (LAF) involves much greater air changes, expense and inconvenience to the patient due to noise and draughts. There are few, if any, truly controlled trials on the impact of positive-pressure ventilation and the prevention of invasive aspergillosis (IA); most are observational studies conducted during an outbreak or retrospective analyses of the incidence of IA over periods of time when a variety of preventative interventions were introduced. Therefore, it is often difficult to determine the specific impact of positive-pressure ventilation with HEPA in leading to a reduction in IA. During periods of hospital demolition or construction, HEPA significantly reduces the aspergillus spore counts and in many studies, the incidence of IA, but other measures such as enhanced cleaning, the sealing of windows and the use of prophylactic anti-fungal agents are also important. On balance, the additional expense and inconvenience of LAF does not appear to be justified. Where positive-pressure ventilation is installed, it is imperative that the system be monitored to ensure that the pressure differentials and air changes are appropriate. Whilst there is a role for positive-pressure ventilation in reducing the incidence of IA, we need a better definition of the importance of hospital-acquired IA compared with community-acquired infection and of the relationship between strains of Aspergillus species isolated from the environment and those strains causing infection. 相似文献
11.
Seguy N Hladik W Munyisia E Bolu O Marum LH Diaz T 《Public health reports (Washington, D.C. : 1974)》2006,121(6):695-702
OBJECTIVE: In Africa, HIV surveillance is conducted among antenatal clinic (ANC) attendees using unlinked-anonymous testing (UAT). In Kenya, the utility of prevention of mother-to-child transmission (PMTCT) program data for HIV surveillance was evaluated. METHODS: UAT and PMTCT data were compared at the same clinics and for the same time (2003 UAT survey) period. The HIV testing uptake for PMTCT was defined as the number of ANC attendees tested for HIV out of those who had their first ANC visit during the ANC surveillance period. Odds ratios and 95% confidence intervals were calculated to determine associations between demographic characteristics and HIV testing acceptance. RESULTS: Of 39 ANC-UAT sites, six had PMTCT data. PMTCT data were recorded across several logbooks with varying quality. For PMTCT, 2,239 women were offered HIV testing and 1,258 (56%) accepted; for UAT, 1,852 women were sampled. Median UAT-based HIV prevalence was 12.8% (range, 8.1%-26.3%) compared with 14.4% (range, 7.0%-27.2%) in PMTCT. HIV testing acceptance for PMTCT ranged from 48% to 69% across clinics, and was more likely among primigravidae than multigravidae. CONCLUSION: Because of varying PMTCT data quality and varying HIV testing acceptance for PMTCT, PMTCT-based HIV prevalence estimates cannot currently replace UAT-based estimates in Kenya. 相似文献
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Johanna Rantanen Taru Feldt Katriina Hyvönen Ulla Kinnunen Anne Mäkikangas 《International archives of occupational and environmental health》2013,86(6):645-656
Purpose
The present study investigated whether the factor structure of the effort–reward imbalance (ERI) scale (Siegrist et al. Soc Sci Med 58:1483–1499, 2004) remains same across two white-collar samples (i.e., factorial group invariance) and across three measurement times (i.e., factorial time invariance).Methods
The factorial group invariance was tested using two different samples including 1,301 managers and 758 young white-collar professionals. The factorial time invariance was tested in the latter sample with a four-year three-wave follow-up design.Results
The confirmatory factor analysis performed supported the theoretically based structure of the ERI scale, that is, the scale included two first-order factors of effort and overcommitment and one second-order factor of reward with first-order factors of esteem, career opportunities, and job security. The factorial group invariance of this structure was also supported. In addition, the factor loadings of all factors remained same across three measurements; thus, lending support for the factorial time invariance.Conclusion
The ERI scale was found to be a valid tool to measure costs and gains of social exchanges at work as well as individual orientation toward work in these two occupational samples including a longitudinal study design. 相似文献14.
Before conjugate pneumococcal vaccines (PCVs) were introduced it was estimated that Streptococcus pneumoniae caused 500,000 cases of pneumonia, 50,000 cases of bacteremia and 3000 cases of meningitis annually in the United States in both children and adults. After 10 years of routine use of the 7-valent pneumococcal conjugate vaccine (PCV7) the incidence of vaccine-type pneumococcal diseases (PDs) had significantly decreased in vaccinated children (direct effect) and unvaccinated subjects of all ages (indirect effect). Second generation, higher-valent PCVs, especially 13-valent (PCV13), routinely implemented since 2010, have reduced the incidence of PDs caused by the six additional non-PCV7 serotypes, in both vaccinated and unvaccinated subjects. The licence for this vaccine has recently been extended to include adults aged 18 to 49 in Europe. Although PCV13 has an indirect effect on IPD in adults, this will probably not achieve the same level of disease control in adults and the elderly (especially those at high risk) as that obtained in vaccinated children. 相似文献
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Hyppönen E 《Nutrition reviews》2005,63(7):225-232
Preeclampsia has been suggested to result from a partial breakdown of tolerance to the developing fetus after maternal immune maladaptation. Several of the proposed immunomodulatory properties of the hormonal vitamin D system could potentially have beneficial effects for successful maintenance of pregnancy. Preeclampsia is characterized by marked changes in vitamin D metabolism. This paper reviews the evidence suggesting that the immunomodulatory properties of 1,25(OH)2D may play a key role in maintaining immunological tolerance in pregnancy, and proposes that ensuring adequate vitamin D status/intake may help in the prevention and management of preeclampsia. 相似文献
16.
P. A. Dacks D. W. Shineman H. M. Fillit 《The journal of nutrition, health & aging》2013,17(3):240-251
An NIH State of the Science Conference panel concluded in 2010 that insufficient evidence is available to recommend the use of any primary prevention therapy for Alzheimer’s disease or cognitive decline with age. Despite the insufficient evidence, candidate therapies with varying levels of evidence for safety and efficacy are taken by the public and discussed in the media. One example is the long-chain n-3 (omega-3) polyunsaturated fatty acids (n-3 LC-PUFA), DHA and EPA, found in some fish and dietary supplements. With this report, we seek to provide a practical overview and rating of the level and type of available evidence that n-3 LC-PUFA supplements are safe and protective against cognitive aging and Alzheimer’s disease, with additional discussion of the evidence for effects on quality of life, vascular aging, and the rate of aging. We discuss available sources, dose, bioavailability, and variables that may impact the response to n-3 LC-PUFA treatment such as baseline n-3 LC-PUFA status, APOE ?4 genotype, depression, and background diet. Lastly, we list ongoing clinical trials and propose next research steps to validate these fatty acids for primary prevention of cognitive aging and dementia. Of particular relevance, epidemiology indicates a higher risk of cognitive decline in people in the lower quartile of n-3 LC-PUFA intake or blood levels but these populations have not been specifically targeted by RCTs. 相似文献
17.
The availability of public services has been perceived as one of the parameters for evaluating the quality of services and a basic component of the effectiveness of the system. Social services have been understood as public services in the countries of the European Union. The state has the primary responsibility for ensuring the availability of social services and should have established powers in the areas of planning, coordination and evaluation. The aim of this paper is to comprehensively evaluate the availability of homes for seniors aggregated into individual districts of the Czech Republic. The method of multi-criteria decision-making was chosen for the evaluation, specifically the Technique for Order of Preference by Similarity to Ideal Solution in combination with the Coefficient of Variance method, as a method for the objective determination of the weights of input indicators. The evaluation in 2017 included 77 districts of the Czech Republic and 519 homes for seniors, which are registered providers of social services for persons who, due to age and reduced self-sufficiency, cannot take care of themselves and are users of residential social services. Based on 14 defined indicators, the local accessibility within individual districts of the Czech Republic was evaluated, focusing on five research questions. The indicators were defined in such a way as to reflect the nature of the problems and to define the need for this service in the territory. Based on the results, a significant relationship was demonstrated between the amount of subsidy per bed, per month, granted to homes for seniors in individual districts of the Czech Republic and service availability, i.e. districts in which homes for seniors with higher subsidies per bed show better availability. 相似文献
18.
Hospital-acquired Legionnaires' disease may be sporadic or may occur as part of an outbreak. As Legionella spp. are ubiquitous in many water systems, it is not surprising that hospital water may be colonized with Legionella pneumophila and other species. However, there is some controversy about the relationship between the presence of legionella in hospital water systems and nosocomial legionellosis. Primary prevention, i.e. measures to prevent legionella in a hospital or healthcare facility with no previous documented cases of nosocomial legionellosis, includes heightened awareness of hospital-acquired Legionnaires' disease with appropriate laboratory diagnostic facilities, and ensuring that the water system is well designed and maintained in accordance with national standards, e.g. the circulating hot water is maintained above 55 degrees C. Secondary prevention, i.e. preventing further cases occurring when a case has been confirmed, should include an investigation to exclude the hospital water system as a source. However, the necessity to sample hospital water routinely to detect legionella outside of outbreaks, i.e. as a component of primary prevention, is unclear. Some studies demonstrate a clear link but others do not. Differences between the patient populations studied, the methods of laboratory diagnosis of clinical cases, the analysis of hospital water and differences in the design of hospital water systems may partly explain this. Whilst further research, probably in the form of multi-centred prospective trials, is needed to confirm the relationship between environmental legionella and hospital-acquired legionellosis, including establishing the relative importance of L. pneumophila group 1 vs. non-group 1 and other Legionella spp., each hospital should consider the spectrum of patients at particular risk locally. Centres with transplant units or other patients with significant immunosuppression should, in the interim, consider routine sampling for legionella in hospital water in addition to other control measures. Therefore, infection control teams must work closely with hospital engineering and technical services departments and hospital management, as well as ensuring that physicians and others have a heightened awareness of hospital-acquired legionellosis. 相似文献
19.
17?α hydroxyprogesterone caproate is a synthetic form of the natural progestin 17-α hydroxyprogesterone that is US FDA approved for the prevention of recurrent spontaneous preterm birth in women with a history of a prior singleton preterm birth. For women with a history of a prior spontaneous preterm birth between 20 weeks and 36 weeks and 6 days of gestation, the use of 17-α hydroxyprogesterone caproate has been shown to reduce the risk of recurrent preterm birth by more than 30%. This medication is the only drug currently FDA approved for the prevention of preterm birth, and it is the first drug the FDA has approved for use exclusively during pregnancy in approximately 15 years. 相似文献
20.
Lindholm L Hallgren CG Boman K Markgren K Weinehall L Ogren JE 《Health policy (Amsterdam, Netherlands)》1999,48(3):155-170
The aim of the study was to undertake cost-effectiveness calculations subject to a defined budget. The setting chosen was the prevention of cardiovascular disease (CVD) by means of three intervention programmes in a Swedish county council. The population in the county was divided into subgroups according to risk level. For each subgroup the cost per years of life saved was calculated, as well as the annual budget claims. The budget available was defined as present direct cost in the programmes. The calculations resulted in a programming solution showing the optimal distribution of resources between the programmes. Also a league table was constructed and the cut-off value for a 'acceptable' cost-effectiveness was shown. The conclusion that can be drawn is that a combination of internationally published intervention results and local data regarding epidemiology and resource improves the accuracy and usefulness of cost-effectiveness ratios. However, the model presented is a first attempt containing only three interventions: the planned next phase is to integrate more interventions in the model. 相似文献