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Staff strategies and explanations for intervening with challenging behaviours: a replication in a community sample.

Carers' beliefs about challenging behaviours may partially determine their behavioural responses to them. The present study replicated previous work on the beliefs of institution staff and their explanations about interventions for challenging behaviours (Hastings 1996) with a sample of 56 community staff. Many immediate intervention strategies, and the staff motivation for these choices, were in conflict with behavioural approaches to challenging behaviour and would be considered counter-habilitative from this perspective. Staff were able to describe appropriate longer-term interventions. These basic findings confirmed those of previous research with institution staff. However, tentative comparisons suggested that community staff were more likely than institution staff (from previous research) to describe interventions involving the building of relationships with service users and the identification of the underlying causes of the behaviours.

Activities of Daily Living↗

Hearing aid effect in older females.

Surveys have revealed that nonusers of hearing aids frequently hold negative perceptions of hearing aid users (the "hearing aid effect"). This study involved the use of both objective and subjective approaches in measuring the perceptions of older females toward hearing aid wearers. Twenty older females rated an aided and unaided peer after reading to them. Between-group differences were insignificant for objective measures (vocal intensity, reading time) and two subjective measures (age, attractiveness). However, the older females perceived their aided peers significantly more negatively than their unaided peers on measures of confidence, intelligence, and friendliness. This negative perception also surfaced in females who were unaware of the hearing aids, suggesting that a negative self-image by hearing aid wearers may contribute to the hearing aid effect.

Adult↗

Influence of oral contraceptives on the prognosis of breast cancer in young women.

The possible effect of oral contraceptive (OC) use on the prognosis of established breast cancer was investigated in 154 young women aged 35 and younger. No significant differences were found between the study group of 59 OC users, and the control group of 95 nonusers in age, parity and gravidity, family history of breast cancer, benign breast disease, morphology, or surgical therapy. No appreciable differences were found between OC users and nonusers in extent of disease at presentation (P = 0.78), histologic features of tumor (P = 0.83), or axillary node involvement (P = 0.88). No significant or even suggestive differences were found between users and nonusers in disease-free interval (P = 0.41), metastatic period (P = 0.66), or survival (P = 0.54), respectively, either alone or when adjusted for extent of node involvement, duration of OC use, or other risk factors. In this study no evidence was found that the use of OC has any harmful or beneficial effect on evolution and survival of breast cancer.

Adult↗

Use of intermediate endpoints in quantitating the response of precancerous lesions to chemopreventive agents.

A current area of emphasis in cancer research is the determination of whether cancer can be prevented through the use of naturally occurring chemopreventive agents such as beta-carotene. A major area of concern in the design of long-term, large-scale population studies to ascertain the efficacy of such chemopreventive agents lies in the paucity of biological data on the activity of these agents in man. The studies described in this paper were performed to determine whether a series of short-term markers could be used in chemopreventive trials as indicators of the possible success of a chemopreventive regime. Three such markers are described. The first involves the measurement of genotoxic damage in the target tissues of carcinogen-exposed individuals by using the micronucleus test on exfoliated cells. This end point has been successfully used to demonstrate a reduction in carcinogen damage (micronuclei production) in the oral cavity of individuals in population groups at elevated risk for oral cancer (tobacco and betel quid users in the Philippines, snuff users in the Northwest Territories). The second marker involves the determination of DNA adducts in exfoliated cells of carcinogen-exposed individuals by the use of DNA postlabelling procedure. The final marker discussed involves a chemical determination of the levels of a chemopreventive agent in target tissues of individuals receiving a supplement in the diet. In this case, the example described is beta-carotene in exfoliated cells of carcinogen-exposed individuals. These three markers may be combined to determine whether a chemopreventive agent reaches a target tissue, affects DNA adduct formation, and prevents genotoxic damage.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗

The Helmholtz Network for Bioinformatics: an integrative web portal for bioinformatics resources.

SUMMARY: The Helmholtz Network for Bioinformatics (HNB) is a joint venture of eleven German bioinformatics research groups that offers convenient access to numerous bioinformatics resources through a single web portal. The 'Guided Solution Finder' which is available through the HNB portal helps users to locate the appropriate resources to answer their queries by employing a detailed, tree-like questionnaire. Furthermore, automated complex tool cascades ('tasks'), involving resources located on different servers, have been implemented, allowing users to perform comprehensive data analyses without the requirement of further manual intervention for data transfer and re-formatting. Currently, automated cascades for the analysis of regulatory DNA segments as well as for the prediction of protein functional properties are provided. AVAILABILITY: The HNB portal is available at http://www.hnbioinfo.de

Algorithms↗

Safe Medical Devices Act: management guidance for hospital compliance with the new FDA requirements.

The Safe Medical Devices Act of 1990 (Public Law 101-629) was signed by President George Bush almost three years ago on November 28, 1990. The law expanded the Food and Drug Administration's (FDA) authority to regulate medical devices and grew out of congressional concerns about the FDA's ability to quickly learn when a medical device caused an adverse patient event, and to ensure that hazardous devices are removed from hospitals and other health care facilities in a timely manner. The Safe Medical Devices Act is an extension of the Medical Device Amendments of 1976, which imposed production, distribution, and sales rules on medical device manufacturers. It gives the FDA the legal authority to directly regulate the use of medical devices in health care facilities. Among the Safe Medical Devices Act's provisions are specific requirements for hospitals, health professionals, and other users of medical devices to report patient incidents involving medical devices to the manufacturer and to the FDA if a device caused or contributed to a serious injury, death, or other "adverse experience." Adverse experiences are defined by the FDA to include concussions, fractures, burns, temporary paralysis, and temporary loss of sight, hearing, or smell. Hospitals have been required to comply with this provision of the law, called user reporting, since 1991. Hospitals are also required to participate in tracking certain medical devices whose failure could result in a serious adverse health outcome. The law requires distributors and manufacturers of specific devices to adopt a method for device tracking. Hospitals are required to cooperate with and provide device manufacturers with information about patients with permanently implantable devices and life-sustaining and life-supporting devices used outside device user facilities. The law also gives the FDA the authority to designate other devices subject to tracking if the agency determines such tracking is warranted to preserve the patient's health. This provision of the law is called device tracking. Device tracking became effective on August 29, 1993. This special report addresses some of the major questions about implementing user reporting and device tracking in hospitals. Over the past two years the FDA has issued a series of rules and regulations that have caused a great deal of confusion and misunderstanding. Some of the law's provisions are straightforward; however, some basic issues and rules--such as the definition of a reportable event--are unclear. While there are still some open questions about the reporting and tracking requirements, the following is the best information available at this time.(ABSTRACT TRUNCATED AT 400 WORDS)

Commerce↗

Organizational values in general practice and public involvement: case studies in an urban district.

A multiple case study design was used to explore dimensions of organizational values in general practice with respect to developing public involvement. The study was undertaken in an urban district in England with data collected through in-depth individual and focus group interviews with service providers and service users. Four general practice organizations were randomly selected for study after sorting all in the district according to their record of developing involvement activities. The case studies provide evidence of how organizational values can differ markedly in general practice in relation to ideas of public involvement, with consequences for the quantity and quality of activities for involving local people and service users. The differences manifest themselves in the beliefs and attitudes of service providers about the purpose of the organization and the types of relationships that are appropriate with service users and local people. Service users appear to be very perceptive to the underlying ethos and purpose to their practice organization and this affects their responsiveness to initiatives for their involvement. The dimensions of the different values found in the study appear to be essentially the same as a number of established empirical findings of variations in values in general practice: an orientation to a narrow medical role and to general practice as a business are associated with a low valuation of involvement; an orientation to teamwork and to a broader social role appear more congruent with the development of involvement. Power is a critical issue in this setting with evidence in the study of the dominance of the medical practitioners in establishing organizational values and the nature of public involvement activities.

Adolescent↗

Punishment induces risky decision-making in methadone-maintained opiate users but not in heroin users or healthy volunteers.

Reinforcing properties of psychoactive substances are considered to be critically involved in the development and maintenance of substance dependence. While accumulating evidence suggests that the sensitivity to reinforcement values may generally be altered in chronic substance users, relatively little is known about the influence reinforcing feedback exerts on ongoing decision-making in these individuals. Decision-making was investigated using the Cambridge Risk Task, in which there is a conflict between an unlikely large reward option and a likely small reward option. Responses on a given trial were analyzed with respect to the outcome on the previous trial, providing a measure of the impact of prior feedback in modulating behavior. Five different groups were compared: (i) chronic amphetamine users, (ii) chronic opiate users in methadone maintenance treatment (MMT), (iii) chronic users of illicit heroin, (iv) ex-drug users who had been long-term amphetamine / opiate users but were abstinent from all drugs of abuse for at least 1 year and (v) matched controls without a history of illicit substance use. Contrary to our predictions, choice preference was modified in response to feedback only in opiate users enrolled in MMT. Following a loss, the MMT opiate group chose the likely small reward option significantly less frequently than controls and heroin users. Our results suggest that different opiates are associated with distinctive behavioral responses to feedback. These findings are discussed with respect to the different mechanisms of action of heroin and methadone. Neuropsychopharmacology (2005) 30, 2115-2124. doi:10.1038/sj.npp.1300812; published online 6 July 2005.

Adult↗

Evolving the multiple roles of 'patients' in health-care research: reflections after involvement in a trial of shared decision-making.

OBJECTIVE: This paper offers 'consumer-led' reflections by steering group members of a patient-centred research study involving consumer advocates, patients' associations and patients, throughout the whole study, from pre- to post-study phases. ORIGINAL STUDY DESIGN: The study: 'Shared decision making and risk communication in general practice' incorporated systematic reviews, psychometric evaluation of outcome measures, and quantitative, qualitative and health economic analyses of a cluster randomized trial of professional skill development, all informed by consumer and patient engagement. SETTING AND PARTICIPANTS: The work was produced by a wide collaboration led by researchers from the Department of General Practice, University of Wales College of Medicine, Cardiff, including a consumers' advisory group and a patients' association. The study participants were 20 general practitioners from Gwent, their practice staff, and almost 800 patients at these practices. DISCUSSION: Consumers and patients contributed to several stages of the research from inception and design, securing of funding, implementation of the protocol, and interpretation and dissemination of the findings. 'Patient involvement' research initiatives that include an equally wide variety of 'user' participants as 'health-professional' participants, accountable to a 'Health in Partnership' funded project, require a user-led viewpoint to be presented and disseminated. This paper presents reflections on the processes of the research, the interpretations of study findings by the involved parties, and notes how this model is fundamental to effective research in the field of patient-centred health care if future practice, policy and research are to change.

Decision Making↗

Organizational and physician perspectives about facilitating handheld computer use in clinical practice: results of a cross-site qualitative study.

OBJECTIVE: To describe strategies that organizations select to support physicians' use of handheld computers (HHCs) in clinical practice and to explore issues about facilitating HHC use. DESIGN: A multidisciplinary team used focus groups and interviews with clinical, administrative, and information technology (IT) staff to gather data from 161 informants at seven sites. Transcripts were coded using a combination of deductive and inductive approaches to both answer research questions and identify patterns and themes that emerged in the data. MEASUREMENTS: Answers to questions about strategies for HHC support and themes about (1) how to facilitate physician adoption and use and (2) organizational concerns. RESULTS: Three main organizational strategies for HHC support were characterized among sites: (1) active support for broad-based use, (2) active support for niche use, and (3) basic support for individual physician users. Three high-level themes emerged around how to best facilitate physician adoption and use of HHCs: (1) improving usability and usefulness, (2) promoting HHCs and device use, and (3) providing training and support. However, four major themes also emerged related to organizations' concerns about HHC use: (1) security-related concerns, (2) economic concerns, (3) technical concerns, and (4) strategic concerns. CONCLUSION: An organizational approach to HHC support that involves individualized attention to existing and potential physician users rather than one-size-fits-all, organization-wide implementation efforts was an important facilitator promoting physician use of HHCs. Health care organizations interested in supporting HHC use must consider issues related to security, economics, and IT strategy that may not be prominent concerns for physician users.

Attitude of Health Personnel↗

Clinical significance of splenic tuberculosis in patients infected with human immunodeficiency virus.

To assess the clinical significance of splenic tuberculosis in patients infected with human immunodeficiency virus (HIV) type 1, we compared 20 patients who had splenic tuberculosis with 20 randomly selected, HIV-infected patients with culture-proven tuberculosis for whom splenic involvement had been ruled out by ultrasonography. All of the patients were male prison inmates and intravenous drug users. Statistically significant differences (P < .05) were detected between patients with splenic involvement (median CD4+ cell count, 54/mm3) and those without splenic involvement (median CD4+ cell count, 92/mm3). No specific symptoms suggesting splenic involvement were detected in the patients with splenic tuberculosis. All patients received antituberculous drugs, and none of these patients required splenectomy. The median survival was similar in both groups. Splenic tuberculosis occurs in more-severely immunocompromised HIV-infected patients, the prognosis is generally good, the clinical response to therapy is usually favorable, and splenectomy is rarely necessary.

CD4 Lymphocyte Count↗

'What do you think?': a qualitative approach to evaluating individual planning services.

An established individual planning service was evaluated using a service-user-centred approach, which looked at the extent to which people are involved in the process and their understanding of its nature and function. Responses recorded during interviews with service users, their keyworkers and some family members are complemented with data collected from participant observation of individual planning meetings. The findings suggest that the majority of service users able to speak for themselves who were interviewed have a good understanding of the planning process and find it a positive experience; this is supported by participant observation data. Those speaking on behalf of people unable to speak for themselves are unclear as to how much understanding the group has of the process. Observation data suggest that people needing others to speak on their behalf are excluded from discussion during meetings more often than they are included. Recommendations are made for developing the service and providing additional support for keyworkers, building upon the considerable progress made during the service's inception.

Adult↗

Looking beyond stereotypes: exploring variations among crack smokers.

Since the onset of the crack epidemic in the U.S. in the 1980s, the social and health consequences to the drug's users from their perspective has received limited attention. This exploratory study was designed to explore heterogeneity among crack users. Based on in-depth interviews with 22 active crack users in Atlanta, Georgia, variations among them were explored. Data analysis involved the constant comparison method as part of the grounded theory approach. A typology was derived that describes four subsets of users. The two most salient dimensions of the typology are the level of protective strategies that enable the user to avoid negative consequences and their frequency of crack use. Daily life structure and the extent to which they have access to crack contributed most strongly to use frequency. The typology includes: (1) stable users; (2) tempted users; (3) grappling users; and (4) immersed users. Increased insight into the heterogeneity among crack users is relevant when designing comprehensive prevention and intervention programs.

Adult↗

Variations in psychosocial functioning associated with patterns of progression in cocaine-dependent men.

This study examined the relationship between patterns of progression of cocaine use and psychosocial functioning in a sample of cocaine-dependent men who were veterans. Four patterns of progression were examined: mild-severe, moderate-severe, mild-moderate-severe, and severe only. Analysis of variance and post hoc analysis with Duncan grouping revealed significant differences among cocaine users with different patterns of progression in terms of negativism, problem index for situations involving unpleasant emotions, problem index for situations involving urges, depression, somatic anxiety, and medical problems in the family. However, there were no significant differences on sensation seeking, confidence to resist taking cocaine in different situations, obsessive compulsiveness, somatization, attention deficit, and social adjustment. Cocaine users with a severe-only pattern of progression were significantly more dysfunctional than those with mild-moderate-severe progression in terms of negativism, problem index for situations involving unpleasant emotions, depression, and somatic anxiety. Cocaine users with mild-moderate-severe progression had significantly less somatic anxiety than those with mild-severe progression and had less negativism and a lower problem index for urges than those with moderate-severe progression. Logistic regression analysis revealed unique behavioral variables associated with different patterns of progression. The implications of these findings for treatment are discussed.

Adaptation, Psychological↗

Modeling methylene chloride exposure-reduction options for home paint-stripper users.

Home improvement is a popular activity, but one that can also involve exposure to hazardous substances. Paint stripping is of particular concern because of the high potential exposures to methylene chloride, a solvent that is a potential human carcinogen and neurotoxicant. This article presents a general methodology for evaluating the effectiveness of behavioral interventions for reducing these risks. It doubles as a model that assesses exposure patterns, incorporating user time-activity patterns and risk-mitigation strategies. The model draws upon recent innovations in indoor air-quality modeling to estimate exposure through inhalation and dermal pathways to paint-stripper users. It is designed to use data gathered from home paint-stripper users about room characteristics, amount of stripper used, time-activity patterns and exposure-reduction strategies (e.g., increased ventilation and modification in the timing of stripper application, scraping, and breaks). Results indicate that the effectiveness of behavioral interventions depends strongly on characteristics of the room (e.g., size, number and size of doors and windows, base air-exchange rates). The greatest simple reduction in exposure is achieved by using an exhaust fan in addition to opening windows and doors. These results can help identify the most important information for product labels and other risk-communication materials.

Air Pollution, Indoor↗

[Mental health in Pointe-St-Charles : towards collective responsibility.].

The Pointe St-Charles Community Clinic is a popular, user-run clinic, where psychiatric treatment is integrated into the services of the medical-social teams, and where, more globally, an attitude of a collective responsability for mental health is beginning to develop as a result of the active involvement, on the part of both clinic workers and users, in the social change process and the optimal use of the natural community ressource network.

English Abstract↗

Who is using cannabis as a medicine and why: an exploratory study.

This article reports on an exploratory study of medical cannabis users. Interviews were completed with 50 self-identified medical cannabis users recruited through notices in newspapers and on bulletin boards. They reported using cannabis for a variety of conditions including HIV-AIDS-related problems, chronic pain, depression, anxiety, menstrual cramps, migraine, narcotic addiction as well as everyday aches, pains, stresses and sleeping difficulties. A majority also used cannabis for recreational purposes, and many were longer-term cannabis users. However, there were some notable exceptions. Almost all smoked cannabis and many did so two to three times a day. Few admitted negative experiences with cannabis, although some problems evident to the researchers were not clearly admitted. Those who told their doctors about their medical cannabis use found doctors noncommittal or supportive. The results raise questions about the definition of medical cannabis use and about policies that might be developed to accommodate such use. Limitations of the study are noted and further research suggested. Research priorities include population surveys, studies involving larger, more representative samples of medical cannabis users and studies of medical cannabis use among people with HIV-AIDS.

Acquired Immunodeficiency Syndrome↗

Implanon. The new alternative.

BACKGROUND: It is a long time since Australian women have had any new contraceptive choices available to them. In May 2001, the new progestagen only hormone implant Implanon (containing etonogestrel) was introduced, providing an effective, long term contraceptive option which has few serious adverse effects. OBJECTIVE: By attending training, doctors can become familiar with the clinical profile of etonogestrel and the techniques involved with its insertion and removal. Only then can they counsel women on its use, select appropriate users, plan the correct timing of insertion and become skilled in the techniques involved. DISCUSSION: Etonogestrel is a well tolerated, third generation progestagen. The implant provides reversible contraception to women across the reproductive age range. There have been few problems with its use and those problems seen have been related to intolerance of progestogenic side effects, poor patient selection and counselling, inappropriate timing of insertion or incorrect insertion techniques.

Contraception↗