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Disease management practices of health plans.

OBJECTIVE: To investigate how health plans manage chronic diseases. STUDY DESIGN: Health plan medical directors were surveyed regarding the disease management (DM) practices of their plans. METHODS: We took a stratified random sample of 65 plans, all members of the American Association of Health Plans. Forty-five plans responded. Results were weighted to be representative of the industry (including nonmember plans). Medical directors were asked to consider that they had a DM program only if 2 things were true: (1) A majority of a plan's enrollees could not be ineligible for a DM program for non-clinical reasons (eg, geographic location); and (2) a DM program had to have at least 6 of the 8 components of a DM program as defined by the Disease Management Association of America. RESULTS: The 3 diseases most likely to be the focus of DM programs were diabetes, asthma, and congestive heart failure. For each of these diseases, at least one quarter of Americans were enrolled in plans offering a DM program. Medical directors perceived their DM programs to be highly effective in reducing mortality and morbidity and in improving the functional status of patients, and perceived them to be effective in lowering cost. The greatest challenge in implementing DM programs involves information technology. These results yield insights into the future of treatment of chronic disease in the United States. CONCLUSION: Health plans have made a significant investment in programs to improve care for chronic illness. The almost universality of DM programs highlight the need for scholarly evaluations of their effectiveness and cost effectiveness.

Asthma↗

Current issues in dental practice management. Part 1. The importance of shared values.

There can be few who would argue with the notion that the nature of dental practice in the United Kingdom has changed dramatically over the last couple of decades. A variety of factors, including new clinical techniques, growing consumerism, a much greater awareness of health-related and well-being issues in the public at large, as well as a marked deregulation within the dental profession, the development of vocational training and recently mandatory lifelong learning, the growing number of females working in the profession, and an increasing reluctance of young dentists to finance dental practices have all combined to create an environment which has enabled and encouraged a move away from traditional forms of dental care delivery. Instead, there has been considerable growth in independently-funded practice and a commensurate growth in the number of practices operating under a corporate body umbrella of one form or another. Currently there are 27 corporate bodies registered with the General Dental Council (GDC) with the likelihood of more in the future given the proposed GDC review. This will no doubt take into consideration European law, under which the restriction within the Dentist's Act on the number of corporate bodies is likely to be untenable. Although they still have only a small share of the dental market--with 4% of all dentists in the UK in 1999--they have expanded rapidly from a small base. The data available at the time the paper was written indicate that the global total of fees earned from dentistry in the UK in the financial year 2001/2002 was almost 3 billion Pounds, of which 1.9 billion Pounds (64%) came from NHS fees and 1.1 billion Pounds (36%) from private fees. Of this 1.9 billion Pounds received in NHS fees in 2001/2002, 0.55 billion Pounds were paid by patients who were not exempt from charges, bringing the total amount actually paid out of patients' pockets for dental treatment to 1.65 billion Pounds. Compare these figures with 1996/1997 when NHS fees stood at 1.6 billion Pounds (71%) and private fees at 0.6 billion Pounds (29%) and it can be seen that while the size of the whole market has grown NHS fees have risen by around 18% while private sector fees have gone up by 64% during the same period. It cannot be said therefore that NHS dentistry has disappeared although it is clear that access to NHS dentistry has been and may still be difficult in some parts of the country. The Department of Health in England has responded by developing 'access centres' and in the recently published Options for Change sets out sweeping proposals to revitalise NHS dentistry and delegate decisions over funding to a local level. It is far from clear what the consequences of these changes will be. However, one possible scenario is that in many parts of the UK, although relief of pain, prevention and restoration of function will be funded by the NHS, other than in 'special circumstances' such as after trauma and inherited conditions 'cosmetic embellishment' will not be funded. In which case, ever increasing public interest in personal appearance may well lead to further growth in private dentistry. Against a background of change and uncertainty, this series of articles explores some of the issues facing dentists coming to terms with working in this brave new world. This first part examines an aspect of dental practice that is seldom discussed openly and yet is of such fundamental importance that it is the cornerstone of all successful practices and the main fault line in unsuccessful ones, namely the nature and strength of practice values.

Attitude of Health Personnel↗

An integrative analysis of the role of atmospheric deposition and land management practices on nitrogen in the US agricultural sector.

Additions of anthropogenic nitrogen (N) compounds constitute one of the major classes of air pollutants of significance to human health and the environment. Reliance on wet deposition measurements alone can lead to considerable underestimates (by 40-60%) of the total (wet + dry) atmospheric N deposition. In addition, wet deposition of N are about 20% of the levels that are lost due to volatilization (primarily ammonia). Nevertheless, in the agricultural sectors of the Mississippi River basins, farm management practices, and recycling of N within cropping systems clearly outweigh the contributions of atmospheric deposition. As opposed to native vegetation and forests, there are no records of the negative effects of atmospheric N deposition on crop yield. Similarly, field studies on the interactions of atmospheric N compounds with the incidence and spread of pathogens does not permit any generalizations. Nitrogen applied as fertilizer affects disease probably more by its effect on the plant growth than by its effects on pathogens. In contrast, atmospheric nitrogen dioxide appears to be a stimulant of aphid performance. Under conditions of heavy weed infestation, N fertilization stimulates weed growth and competitiveness, rather than crop yield.

Agriculture↗

Infectious mononucleosis and corticosteroids: management practices and outcomes.

OBJECTIVE: Although many studies have examined the effects of systemic corticosteroid therapy (SCT) on the clinical course of infectious mononucleosis (IM), few have evaluated the influence of these studies on treatment patterns and outcomes. The purpose of this study was to review current therapeutic strategies and outcomes in uncomplicated and complicated IM. DESIGN: Retrospective case series. SETTING: Tertiary care center. PATIENTS: We identified 206 immunocompetent patients with IM diagnosed during the previous 5 years. Patient information, including age, sex, history and physical findings at presentation, pertinent laboratory data, management practices, and treatment outcomes, were analyzed. INTERVENTIONS: Systemic corticosteroid therapy was used in 44.7% of patients. Evaluation of treatment indications for SCT revealed that 8.0% of the study population qualified by traditional criteria for the use of corticosteroids; 92.0% of patients received SCT for other indications. Factors associated with the observed increase in corticosteroid use included a history of repeat visits, inpatient admission, and otolaryngology consultation. MAIN OUTCOME MEASURES: Diagnosis was made on the basis of a positive heterophil antibody test (monospot test) with appropriate clinical findings (97.5% of patients) or by the presence of lymphocytosis with appropriate clinical findings (2.4% of patients). RESULTS: Systemic corticosteroid therapy was not positively associated with fever, decreased oral intake, tonsillar hypertrophy, or duration of symptoms. No significant differences in incidence of disease complications, rates of hospital admission, or length of hospital stay were noted between the steroid and nonsteroid treatment groups. CONCLUSIONS: Despite consistent and uniform acceptance in the medical literature that SCT in the setting of IM should be reserved for patients with impending airway obstruction, corticosteroids continue to be used on a much broader scale at this tertiary care institution. This observation suggests that clinicians see value in SCT for treatment of IM beyond the classically accepted reasons. Moreover, despite previous reports of possible adverse consequences of SCT in IM, our review failed to demonstrate any such trend.

Adolescent↗

Growth and yield of groundnut (Arachis hypogaea L.) as influenced by weed management practices and Rhizobium inoculation.

Groundnut (Arachis hypogaea L.) productivity in India is low, because of many problems beset in its cultivation. One of the serious problems are weeds. Groundnut yield losses due to weeds have been estimated as high as 24 to 70 percent. This has created a scope for using herbicides in groundnut crop. A field investigation was carried out during kharif (rainy) season of 2001-2002 on a sandy loam soil at College Agronomy Farm, B.A. College of Agriculture, Gujarat Agricultural University, Anand, India to study the effect of weed management practices and Rhizobium inoculation on growth and yield of groundnut (Arachis hypogaea L.). Ten weed control treatments, comprising four treatments of sole application of fluchloralin, pendimethalin, butachlor and metolachlor, respectively each applied at 1.0 kg ha(-1); four treatments comprising of an application of the same herbicides at the same levels coupled with one hand weeding at 30 DAS; one weed-free treatment (hand weedings at 15, 30, 45 DAS); and one unweeded control. All 10 treatmets were combined with and without Rhizobium inoculation (i.e. a total of 20 treatment combinations) under a factorial randomized complete block design (FRBD) with four replications. Minimum weed dry matter accumulation (70 kg/ha) with higher weed control efficiency (90.70%) was recorded under an integrated method i.e. pendimethalin at 1.0 kg ha(-1) + hand weeding at 30 DAS, which also resulted in maximum pod yield (1773.50 kg ha(-1)). This treatment was comparable to fluchloralin applied at 1.0 kg ha(-1) combined with hand- weeding at 30 DAS. Weedy conditions in the unweeded control treatment reduced pod yield by 29.90-35.95% as compared to integrated method. Significantly higher pod yield was obtained with Rhizobium inoculation than the mean value of all treatments without inoculation. For most agronomical parameters examined, Rhizobium inoculation and weed control treatments were independent in their effect.

Arachis↗

The impact of agricultural management practices on nutrient losses to water: data on the effects of soil drainage characteristics.

Against the background of increasing nutrient concentrations in Irish water bodies, this study set out to gain information on the potential of agricultural grassland to lose nutrients to water. Overland flow, flow from artificial subsurface drains and stream flow were gauged and sampled during heavy rainfall events. Dissolved reactive phosphorus (DRP), potassium (K), total ammonia (TA), and total oxidised nitrogen (TON) were measured in water samples. When the nutrient concentrations in water were examined in relation to the grassland management practices of the study catchments it emerged that soil P levels, the application of organic and inorganic fertilisers before heavy rainfall and the presence of grazing animals could all influence nutrient concentrations in surface and subsurface drainage water. Overall, the drainage characteristics of soil were found to have a considerable influence on the potential of land to lose nutrients to water.

Ammonia↗

Microbial contamination in Lake Pontchartrain Basin and best management practices on microbial contamination reduction.

The Lake Pontchartrain Basin is a complex system of physical and biological elements. Due to the actions of man, the Basin's ecosystem has changed significantly over the past half century. These changes have impaired water quality and habitats throughout the Pontchartrain Basin. Recreational activities including swimming have been banned in areas of the lake. This paper discusses sources of microbial contamination impacting designated use criteria and the need of disinfection for water quality enhancement. Quantification of microbial loadings and identification of organisms of particular concern are made. Alternative Best Management Practices (BMPs) are suggested with emphasis on disinfection and engineered microbial reduction technologies.

Conservation of Natural Resources↗

Implementation of best management practices in agriculture: modelling and monitoring of impacts on nitrogen leaching.

In Kattegat and the coastal water of the Baltic Sea, high nitrogen input from agricultural land is considered to be the main reason for eutrophication. International agreements and governmental programs have set a target to reduce the anthropogenic nitrogen load by 50 percent. Improved nitrogen removal in treatment plants and efforts in agriculture have so far not decreased nitrogen transport to a sufficient extent. In this project the impact of agricultural practices on nitrogen leaching was investigated in two small agricultural catchments in Southwest Sweden. The root-zone leaching was estimated by an indexing technique. Simultaneously the transports in the stream outlets were monitored. During 1995 and 1999 the agricultural practices in the catchments were surveyed. Field data from the first survey indicated that fertilisation did not always match crop requirements, the area of undersown catch crop can be increased and autumn cultivation can be reduced. The second survey was preceded by an advisory campaign where each farmer was visited and presented with an environmental plan including fertilisation, cultivation, and crop rotation for the farm. The plan summarised the best management practices that could be realised under actual conditions. Results from the second survey showed that some changes in the agricultural practices were carried out after the advisory campaign. The nitrogen leaching from the root-zone was then estimated by the indexing technique, both for the time before and after the advisory program. The results showed that the estimated nitrogen leaching, as a mean value for 330 fields, decreased from 53 to 50 kgN ha(-1), due to adjustments of the agricultural practices. Monitoring of stream transports showed values of the same magnitude after correction for retention and other sources. In this short time perspective, decreases in transport due to changes in agricultural practices could not be separated from influence of weather conditions. In comparison to results from the Swedish monitoring programme for agriculture, the measured transports were normal for the region, where annual variation in precipitation and runoff is large. Theoretically, nitrogen leaching could be reduced by one third without any major economic constraints for the farmers. In general, the farmers were positive to advice and willing to try new farming techniques even if some measurements were not fully implemented during the investigation period.

Agriculture↗

Principles, protocols and patients: the practical management of a limit in ICU.

The definition and management of a limit is a common but sometimes extremely complex problem in the Intensive Care Unit (ICU). Guidelines and consensus documents have been published in order to help clinicians. Yet, many controversial issues are brought into question. Legal rules are sometimes vague and derive more from the interpretation of various and unrelated principles (which vary from country to country) than from a clear ad hoc law. In this sense, the practical management of a limit in ICU is usually run by a dual normativity: an external one, which derives from the cultural, moral and legal values of the society, and an internal one, which depends on the particular clinical and human situation, namely the values of everybody involved in (the patient, his/her relatives, the health staff) and the relationships among these people. The considerable freedom left for the decision by an open communication is a great and favourable potential which must be used in the interest of the patient's and of his/her family.

Clinical Protocols↗