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PubMed1999

Referrals for dental general anaesthetics--how many really need GA?

AIM: To find out how many patients for whom dental general anaesthesia was requested actually needed it in order to complete treatment. DESIGN: Analysis of clinical outcomes supported by telephone canvassing of parents. METHOD: In summer 1998, eighty two child patients were seen in the Community Dental Service in Rochdale with a request for the provision of dental general anaesthesia (DGA) for the extraction of teeth. Their ages ranged from 3 to 14 years and all were required to attend for a pre-anaesthetic visit. Unless objective indicators of a need for DGA applied, the parents and children were actively discouraged from having DGA, and the alternative of local anaesthetic (LA) was offered. Clinical outcomes and parent satisfaction were recorded after treatment was finished. RESULTS: In 75% of cases it proved possible to complete the extractions without need for DGA; in the 10% of cases where DGA was necessary, it was to deal with the sequelae of dental caries. Fifteen percent of subjects failed to complete treatment. Subjects found to have a need for DGA tended to be younger and with treatment required in more than one sextant. Pain as a presenting symptom, young age and multiple treatment needs were found to be poor predictors of need for DGA and did not automatically preclude successful treatment without DGA. The satisfaction ascertained from users of the service was high and explanation of proposed treatments, especially the comparative risks and benefits of DGA versus LA, was well received. CONCLUSION: There is scope for significant reduction in provision of dental general anaesthesia if current professional guidelines are followed.

Adolescent↗

PubMed1998

Community pharmacist perspectives on HIV/AIDS and interventions for injection drug users in Canada.

In several countries, community pharmacies play a major role in the provision of HIV prevention services to injection drug users (IDUs). In this study, results from a national Canadian Survey of Community Pharmacies and HIV/AIDS Prevention are used to describe pharmacists' perspectives on HIV/AIDS and services to IDUs, and explore the relationship between personal and organizational characteristics and the level of support for HIV/AIDS prevention initiatives. A mailed questionnaire was directed to a random sample of 2,017 pharmacist owner-managers. The response rate was 84.6%. Results suggest that current services to IDUs primarily are limited to discretionary needle and syringe sales to non-diabetics, with almost three-quarters supportive. Staff safety was an important consideration in the provision of this service (77%), while remuneration was the lowest (27%). Community pharmacists were most comfortable with the provision of counselling, advice and literature (X = 2.6) and environmental and technological interventions (X = 2.4) and least supportive of provision of services as part of a programme (X = 1.6) and legalization of drugs or prescription of methadone (X = 1.9). Female pharmacists were more likely to support preventive measures such as the provision of counselling or advice, and males were more likely to promote legislative change. Pharmacists appear generally willing to expand their services in the fight against HIV/AIDS. However, it is not feasible to expect uniform programmes to be immediately introduced. While organizational, educational and policy changes may facilitate programme development, individual pharmacy and pharmacist discretion remains important.

Canada↗

PubMed1995

Integration is the art of decomposition.

A growing demand for integrating stand-alone information systems with an HIS can be observed. Different forms of integration can be distinguished: technical integration, user interface integration, and integration of the information service. The integration of the information service appears to be especially difficult. An integrated information service can only be achieved when the applications use each other's information services. We will discuss three approaches for letting applications belonging to another system utilize the necessary information service of a host system. The first approach makes use of the user interface, and the necessary information service has to be extracted from the service to a user. Another, often used, approach is the extension of the applications with coupling modules. The coupling modules communicate messages and translate them into the context of the application. The applications are modified scarcely and the coupling modules have to supply the necessary information services. When the coupling problem is more complex (e.g., a larger set of data is to be exchanged interactively), a growing effort will be needed for these adapting modules. A better approach is to split the application into building blocks. Applications are composed of building blocks. The application, which should deliver the integrated information service, is also composed of such building blocks. The building blocks are designed to offer information services that can be used by other systems as well. If we succeed in decomposing the applications into suitable building blocks, an integrated information service could be more easily achieved.

Hospital Information Systems↗

PubMed2005

The use of end-quintile comparisons to identify under-servicing of the poor and over-servicing of the rich: a longitudinal study describing the effect of socioeconomic status on healthcare.

BACKGROUND: To demonstrate the use of end-quintile comparisons in assessing the effect of socio-economic status on hospital utilisation and outcomes in Western Australia. METHODS: Hospital morbidity records were extracted from the WA Data Linkage System for the period 1994-99, with follow-up to the end of 2000. Multivariate modelling was used to estimate the effect of socio-economic status on hospital admission rates, average and total length of stay (LOS), cumulative incidence of readmission at 30 days and one year, and case fatality at one year. RESULTS: The study demonstrated higher rate ratios of hospital admission in the more disadvantaged quintiles: rate ratios were 1.31 (95% CI 1.25-1.37) and 1.32 (1.26-1.38) in the first quintile (most disadvantaged) and the second quintile respectively, compared with the fifth quintile (most advantaged). There was a longer total LOS in the most disadvantaged quintile compared with quintile 5 (LOS ratio 1.24; 1.23-1.26). The risk of readmission at 30 days and one year and the risk of death at one year were also greater in those with greater disadvantage: the hazard ratios for quintiles 1:quintile 5 were 1.07 (1.05-1.09), 1.17 (1.16-1.18) and 1.10 (1.07-1.13) respectively. In contradiction to the trends towards higher hospital utilisation and poorer outcomes with increasing social disadvantage, in some MDC's the rate ratio of quintile 1:quintile 2 was less than 1, and quintile 4:quintile 5 was greater than 1. For all surgical admissions the most disadvantaged had a significantly lower admission rate than the second quintile. CONCLUSION: This study has shown that the disadvantaged within Western Australia are more intensive users of hospital services but their outcomes following hospitalisation are worse, consistent with their health status. Instances of overuse in the least disadvantaged and under use in the most disadvantaged have also been identified.

Adolescent↗

PubMed2006

Panning for gold: an evidence-based tool for assessment of performance indicators in primary health care.

It is important that debate occurs between theorists, policy makers, clinicians and service end-users to develop agreement over suitable and appropriate indicators for primary health care. A formal accounting of the relative strengths and weaknesses of any proposed indicator will enable sector commentators from a variety of viewpoints to discuss the relative merits of individual indicators, to understand the political and pragmatic reasons for their inclusion in any set of indicators and to trace the likely organisational impact of any given indicator. This paper details the development of an indicator appraisal tool that combines the assessment of scientific evidence with contextual considerations from the perspective of both the policy environment and the primary health care sector. The use of the tool is discussed in the context of the proposed national implementation of a set of performance indicators in New Zealand.

Evidence-Based Medicine↗

PubMed1985

Doses from occupational exposure: a study of radiation doses to workers in Kuwait over a four-year period.

The personal monitoring facility in the Ministry of Public Health's Radiation Protection Department has provided service to all users of ionizing radiation in medicine, research and industry in Kuwait. Exposure results during 1980-1983 were compared and analysed to examine the efficiency of protection measures adopted by each occupation. The results indicate that annual doses received by workers in different occupations in recent years tend to be generally low, but remain higher than those received by similar workers in other countries. Several overexposures to radiologists, radiology nurses, medical radiographers, and industrial radiographers increased the overall annual collective doses. As a result, protective measures designed for radiologists and nurses involved with special radiographical procedures should be improved. The recent use of the after-loading technique in intra-cavitary therapy was responsible for a significant reduction in the overall average doses received by workers involved in radiotherapy.

Film Dosimetry↗

PubMed1992

Use of medical services and treatment for panic disorder with agoraphobia and for social phobia.

OBJECTIVE: To examine the medical services and treatment for anxiety disorders reported by patients who had either panic disorder with agoraphobia or else social phobia. DESIGN: Archival research of consecutive records of psychiatric interviews conducted between January 1990 and December 1991. The records were examined by a trained research assistant who had had no contact with the patients. PATIENTS: One hundred patients who had panic disorder with agoraphobia and twenty-eight patients who had social phobia. SETTING: An anxiety disorders clinic in a university-affiliated psychiatric institute. OUTCOME MEASURES: Variables related to the use of medical services included history of hospitalization, emergency department visits and referrals to specialists. Variables related to treatment included types of medication received, whether behaviour therapy was received and types of health care professionals seen. RESULTS: Almost 30% of the patients with panic disorder and more than 20% of those with social phobia had a history of a major depressive episode at some time in their lives; 30% and 25% respectively had a current nonpsychiatric medical diagnosis. In the past year nearly one-third of both patient groups had seen three or more different health care professionals and almost one-fifth of those with panic disorder had gone to a general hospital emergency department. Of the patients with panic disorder 9% had previously been assessed by a cardiologist and 17% by a neurologist. At least two-thirds of each group had received benzodiazepines, often for use as needed. Although most of the patients in both groups had been seen by mental health professionals such as psychiatrists, few had received optimal treatment. Of those with panic disorder, only 15% had received the tricyclic antidepressant imipramine, 13% alprazolam and 11% cognitive-behavioural therapy. Only 4% of the patients with social phobia had received cognitive-behavioural therapy. CONCLUSIONS: Both groups of patients, and particularly those with panic disorder, are frequent users of medical services. Although most have had contact with mental health professionals, few have received appropriate treatment. Benzodiazepines appear to be overprescribed, whereas forms of treatment that have been shown to reduce the use of medical services, such as cognitive-behavioural therapy, are infrequently given.

Adult↗

PubMed1993

Family planning in Russia: experience and attitudes of gynecologists.

A survey was made of 375 Russian gynecologists. The questionnaire on family planning and contraceptives was distributed at the beginning of three local educational symposia. Almost all participants filled in the questionnaire on attitudes, knowledge and experience with family planning. The sample consisted of departmental specialists and heads of departments/clinics, working mainly at in- or out-patient women's health clinics. The mean age was 37 years; 83% were women, living in medium-sized or large cities (80%). Half of them had been working as a gynecologist for more than 10 years. Only 55% had been trained in family planning. The main reasons mentioned for the high abortion rate in Russia were the lack of education, non-involvement of male partner, and lack of modern contraceptives. Most of the gynecologists were in favor of special family planning clinics with special attention to services for the users. About half of the physicians knew how the pill works and estimated that 41% of women know that the pill contains estrogens. Sixty-two percent found that patients are badly informed about available contraception. Main sources of information on contraception were journals/books, colleagues and mass media. The majority reported having a directive style of patient counseling, and stated that parents should be informed of their teenagers' sexual experiences. The more experienced physicians with a training in family planning were better informed on contraception and showed a more patient-concerned attitude. It is concluded that health care providers should be the main target group of training and education in family planning, and need the support of Western European family planning organizations.

Abortion, Induced↗

PubMed2006

Prevalence and correlates of drug use disorders in Mexico.

OBJECTIVE: To describe the prevalence of drug use disorders, the correlates of drug use, and the utilization of specialized treatment services for drug users among the Mexican urban population 18-65 years old. METHODS: The data were collected in 2001 and 2002 in the Mexican National Comorbidity Survey. The sample design was stratified probabilistically for six geographical areas of the country in a multistage process for census count areas, city blocks, groups of households, and individuals. The data were weighted, taking into account the probability of selection and the response rate. The information was collected using a computerized version of the World Mental Health Survey edition of the Composite International Diagnostic Interview. The weighted response rate for individuals was 76.6%. RESULTS: Overall, 2.3% of the population reported any illicit use of drugs in the preceding 12 months; marijuana and cocaine were the substances most often used. Low levels of education were significantly associated with use, abuse, and dependence. Use of any drug was significantly more common among those who were in the youngest age group (18-29 years), were male, or were living in the Northwest region of the country. Overall, 1.4% had a lifetime history of drug abuse or dependence, with this being much more common for men (2.9%) than for women (0.2%). The 12-month prevalence of drug abuse or dependence was 0.4% overall (0.9% for men, and 0.0% for women). The rate of treatment during the preceding 12 months for those with the 12-month criteria for abuse or dependence was 17.1%; 14.8% were seen in specialized treatment centers; 2.8% reported having attended self-help groups. CONCLUSIONS: A noticeable number of Mexicans have a drug use disorder, but demand for treatment is limited, in part due to stigma. Our results indicate that there is an urgent need to organize the specialized services for persons with a substance abuse disorder according to the prevalence of dependence on different substances and the variation in prevalence in the different regions of the country.

Adolescent↗

PubMed2003

The PredictProtein server.

PredictProtein (PP, http://cubic.bioc.columbia.edu/pp/) is an internet service for sequence analysis and the prediction of aspects of protein structure and function. Users submit protein sequence or alignments; the server returns a multiple sequence alignment, PROSITE sequence motifs, low-complexity regions (SEG), ProDom domain assignments, nuclear localisation signals, regions lacking regular structure and predictions of secondary structure, solvent accessibility, globular regions, transmembrane helices, coiled-coil regions, structural switch regions and disulfide-bonds. Upon request, fold recognition by prediction-based threading is available. For all services, users can submit their query either by electronic mail or interactively from World Wide Web.

Databases, Protein↗

PubMedDate not supplied

Identifying and helping alcohol abusers attending general health care services.

Studies conducted in Canada and elsewhere show a high prevalence of alcohol-related problems among general practice patients, users of accident and emergency services, and patients in some community-based and hospital-based outpatient and residential settings. However, many users of general health care services with alcohol problems are not recognized as such. Also, even when identified, alcohol abusers are not always treated for alcohol abuse per se. Interest in prevention and in early identification of alcohol problems is also low among many health care professionals. Alcohol problems can be prevented and treated. Health care professionals should thus try to identify clients with alcohol-related problems and those at risk. These clients should then be provided with appropriate information and advice and, if necessary, referred to a specialized addiction service. The routine use of simple, structured questions concerning drinking will facilitate the identification process.

Alcoholism↗

PubMed1998

Women injecting drug users in London: the extent and nature of their contact with drug and health services.

Improved access to drug treatment and other health services remains central to HIV prevention and other harm reduction strategies among injecting drug users (IDUs) in the UK. Efforts have therefore been focused upon making such services more accessible and 'user friendly'. Women who use drugs are considered a 'hard to reach' population. This is largely based on data from a variety of official sources which have suggested that women are under-represented as clients of drug services. While current literature provides numerous explanations for this, there have been few empirical studies exploring the nature and extent of women's contact with such services. This paper presents findings from an European Community funded survey of women IDUs in London. Data from this survey suggest that women IDUs have surprisingly high levels of contact with a range of specialist and generic health services in relation to their drug use.

Journal Article↗

PubMed1994

Potential development of community oriented HIV outreach among drug injectors in the UK.

Given the current epidemiological and behavioural risk profile of HIV infection among injecting drug users in the UK, the main strategic task continues to be to develop interventions to prevent the spread of HIV infection. Outreach to drug injectors is an important part of the wider UK HIV prevention strategy. This paper reviews critically and reassesses practically the role of outreach interventions among drug injectors in the UK. It is argued that despite the development of innovative outreach activity, the full potential of outreach has not been realized due to its theoretical orientation and in-built structural limitations. Outreach has predominantly operated with an 'individual' orientation, aiming to work with individual clients to help them to change their behaviour, gain access to services, or to become better users of services. The main thesis of this paper is that current outreach provision needs to be complemented by 'community change' models which seek to engender changes in the social etiquette of drug use within communities of drug injectors. The paper argues that the social networks through which HIV may be transmitted are the same social networks that may be coopted for HIV prevention. Future outreach services must turn to these networks as a way of targeting and encouraging changes among broad populations of drug injectors. Such models might use indigenous advocates, working within social networks, supported by community outreach facilitators.

Community Health Services↗

PubMed1996

Intensive use of mental health care.

OBJECTIVE: To describe the profile of the intensive use of mental health services over a 4-year period in a population of 1.1 million people. METHODS: Data obtained from computerized hospital separation records and physician reimbursement claims were combined to form patient-based histories of mental health care utilization. Users of mental health services in a 24-month period were hierarchically classified as having a psychotic disorder (ICD-9-CM 295-299) or a nonpsychotic disorder (ICD-9-CM 300-301, 306-309, 311). Intensive use was defined as 12 or more contact months or a minimum of 2 episodes of therapy in the 24-month period. The cohort of intensive users were followed over the subsequent 24-month interval to describe the persistence of intensive use. RESULTS: In the initial observation periods, intensive users constituted 27.4% of individuals in treatment for psychotic disorder and 4.4% of persons in treatment for nonpsychotic disorder. These 2 groups, which represent 7.4% of all users of mental health care, were responsible for 53% of physician services, 72.7% of contacts with psychiatrists, and 64.4% of acute psychiatric bed days in the initial period. In the follow-up period, intensive use status was replicated by 44.6% of the cohort. CONCLUSIONS: The diagnostic and therapeutic characteristics of intensive users of mental health services are heterogeneous. There is substantial persistence of intensive mental health service use over time.

Adolescent↗

PubMed1998

Patients' views of direct access to specialists: an Israeli experience.

CONTEXT: Surveys carried out among users of medical services can be a useful tool for health care organizations in designing proper services. Specifically, patients' views of direct access to specialists can be useful to health organizations considering the gatekeeper model. OBJECTIVE: To assess patients' opinions about direct access to specialists and referral to specialists through their primary care physician. DESIGN: An intercept survey, in which patients were interviewed at the randomly selected service provision sites, was carried out in 3 districts in Israel during 1995. A total of 1445 and 1289 patients were interviewed in primary care and specialty clinics, respectively. SETTING: Primary care and specialty clinics in 3 regions in Israel serving 750000 members of Kupat Holim Clalit, Israel's largest sick fund. PARTICIPANTS: Hebrew-speaking members of Kupat Holim Clalit who visited the primary care or specialty clinics in the 3 regions during the study period. MAIN OUTCOME MEASURES: Rate of preferences for direct access to specialists and preferences for referral through primary care physician. RESULTS: Fifty-two percent of the respondents preferred direct access to specialists, while 48% preferred a referral from their primary care physician. Multivariate logistic regression analysis indicated that the preference for direct access was significantly lower among patients older than 45 years (odds ratio [OR], 0.75; 95% confidence interval [CI], 0.62-0.91); patients whose primary care physician was a specialist in family medicine (OR, 0.80; 95% CI, 0.67-0.97); and patients who were satisfied with their primary care physician (OR, 0.34; 95% CI, 0.27-0.44). Preference for direct access was significantly higher among more highly educated patients (OR, 1.38; 95% CI, 1.16-1.65) and patients residing in Jerusalem (OR, 2.46; 95% CI, 2.05-2.95) and those younger than 45 years who were dissatisfied with their family physician or a primary care physician who was not board certified. If direct access was not available, 33% of respondents would leave the sick fund and 48% would remain; 19% did not know. CONCLUSIONS: Informing sick fund members, particularly the younger and more educated among them, about the advantages of consulting with the primary care physician, as well as providing specialty training in family medicine to primary care physicians, may reduce patients' preference for direct access to specialists.

Adult↗

PubMed2002

Dilemmas encountered by health practitioners offering nuchal translucency screening: a qualitative case study.

OBJECTIVE: To explore dilemmas experienced by practitioners involved in routine prenatal nuchal translucency (NT) screening. DESIGN: Qualitative study incorporating multidisciplinary practitioner discussion groups led by a health care ethicist. SETTING: Inner-city teaching hospital with fetal medicine unit. PARTICIPANTS: Thirty-two practitioners whose work relates directly or indirectly to perinatal care. RESULTS: Practitioners identified a number of dilemmas, many of which centred on the tension between pregnancy being seen as a normal or a 'risky' time. Practitioners and women were perceived to have contrasting reasons for screening, with women welcoming the opportunity to 'see' their baby on the ultrasound scan, whilst practitioners were screening for abnormalities. These differing agendas led to various dilemmas particularly in relation to information giving, performing scans incorporating NT screening and promoting individual client choice. CONCLUSIONS: Plans to introduce routine NT screening need careful prospective consideration of the potential implications for both providers and users of the service. The discussion groups also identified the need for training in the complex communication skills required and an awareness of the related ethical dilemmas, plus the need for increased time and resources to enable practitioners to promote informed choice.

Access to Information↗

PubMed1994

Designing a controlled medical vocabulary server: the VOSER project.

The authors describe their experience designing a controlled medical vocabulary server created to support the exchange of patient data and medical decision logic. The first section introduces practical and theoretical premises that guided the design of the vocabulary server. The second section describes a series of structures needed to implement the proposed server, emphasizing their conformance to the design premises. The third section introduces potential applications that provide services to end users and also a group of tools necessary for maintaining the server corpus. In the fourth section, the authors propose an implementation strategy based on a common framework and on the participation of groups from different health-related domains.

Clinical Laboratory Information Systems↗

PubMed1994

Drawing genetic linkage maps via email.

We describe a service that permits users to draw a genetic linkage map by email. The map that is produced displays loci at their relative positions along a chromosome and can be varied in a number of ways to suit individual needs. The user sends a text file via email and receives by return email a postscript file. This file, when sent to a postscript printer, will produce a genetic linkage map.

Animals↗