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PubMed1999

Two-year follow-up of AIDS education programs for impoverished women.

The long-term effects of two culturally competent AIDS education programs with different content on the risk behavior and AIDS-related knowledge of 410 homeless African American women 2 years after program completion were examined. Participants were members of a larger cohort of impoverished African American and Latina women recruited in Los Angeles from 1989 to 1991. Of a subsample of 527 African American women selected randomly for a 2-year follow-up interview, 410 (78%) were located and agreed to participate. Women participating in both AIDS education programs reported reduced HIV risk behaviors and demonstrated greatly improved AIDS knowledge at 2-year follow-up (p < .001). Women in a specialized program were less likely than those in a traditional program to report noninjection drug use at 2 years. Women in the traditional program had significantly better AIDS knowledge at follow-up (p < .001). These findings suggest that educational programs can produce sustained benefits among impoverished women.

Acquired Immunodeficiency Syndrome↗
PubMed2002

Persistence of the effect of the Lung Health Study (LHS) smoking intervention over eleven years.

BACKGROUND: Research on the long-term persistence of effects of interventions aimed at smoking cessation is limited. This paper examined the quitting behavior of individuals who were randomized to a smoking cessation intervention (SI) or to usual care (UC), at a point approximately 11 years later. METHODS: The initial sample consisted of 5,887 adult smokers in 10 clinics who had evidence of airways obstruction. Two-thirds of the original participants were offered an intensive 12-week smoking cessation intervention. Of these, 4,517 were enrolled in the long-term follow-up study. RESULTS: Randomized group assignment was a strong predictor of smoking behavior after 11 years, in that 21.9% of SI participants and only 6.0% of UC participants maintained abstinence throughout the interval. Logistic regressions identified covariates associated with abstinence. A higher proportion of abstinence was observed in participants that had been assigned to SI (OR = 4.45), were older (OR = 1.11, increment 5 years), had more years of education (OR = 1.05), and fewer cigarettes/day at baseline (OR = 0.90, increment 10 cigarettes). CONCLUSIONS: Smokers exposed to an aggressive smoking intervention program and who sustain abstinence for a five-year period are very likely to still be abstinent after 11 years.

Adult↗
PubMed2006

Public education on hypertension: a new initiative to improve the prevention, treatment and control of hypertension in Canada.

High blood pressure is one of the leading risk factors for death. Nevertheless, there is a lack of awareness of hypertension as a risk factor, as well as significant misconceptions about hypertension in the Canadian population. Furthermore, according to the Canadian Heart Health Surveys (1985 to 1992), 42% of hypertensive adult Canadians are unaware of their hypertensive status. A collaboration between Blood Pressure Canada, the Heart and Stroke Foundation of Canada, the Canadian Hypertension Society and the Canadian Hypertension Education Program has been formed to improve public and patient awareness and knowledge of hypertension. The effort will involve the translation of Canadian Hypertension Education Program recommendations for the prevention and management of hypertension to a public level with a broad and evolving dissemination strategy; the training of health professionals to speak to the public and patients on hypertension, coupled with opportunities to speak in forums organized in their local communities; and, media releases and information on hypertension in association with World Hypertension Day and the release of the annually updated public recommendations. Based on higher rates of awareness of hypertension in countries with sustained public education programs on hypertension, it is anticipated that this evolving program will result in improvement in the rates of awareness, treatment and control of hypertension and, ultimately, in lower cardiovascular disease rates in Canada. Public health programs that could reduce the prevalence of hypertension will be integrated into key public recommendations. The program outcomes will be monitored using Statistics Canada national surveys and by specific surveys examining hypertension knowledge in the Canadian population.

Canada↗
PubMed1994

[Mortality following sustained ventricular tachycardia treated according to the results of programmed ventricular stimulation].

The purpose of this study was to evaluate longterm mortality in 44 patients undergoing electrophysiologically guided therapy for sustained monomorphic ventricular tachycardia. We applied the following modified response criteria: non-inducibility or slowing of induced ventricular tachycardia to < or = 150 bpm. On this basis, 25/44 (57%) patients were classified as responders, and 19/44 (43%) as non-responders. Responders had palpitations significantly more often as the leading clinical sign (68% vs. 21%, p < 0.05). Non-responders showed a lower mean ejection fraction (36 +/- 15% vs. 46 +/- 17%, p < 0.05) and a trend to higher incidence of syncopal ventricular tachycardia (58% vs. 12%, p = 0.15). All responders and 3/19 non-responders continued on drug therapy. 11 non-responders received an implantable cardioverter-defibrillator (ICD), 3 underwent surgery and 2 catheter ablation. 14/44 patients (32%) died during a mean follow-up of 3.2 years. Sudden arrhythmic death occurred in 3/28 patients on drug therapy (1/25 responders, 2/3 non-responders), and in 2/16 non-responders with invasive therapy (one with an ICD and one after catheter ablation). The cumulative all-cause mortality at 3 years was similar in both groups (26% vs 22%, n.s.), but the mortality from sudden arrhythmic death showed a trend to be lower in the responder-group (0% vs 17%, p = 0.09).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1991

Radiofrequency catheter ablation for treatment of bundle branch reentrant ventricular tachycardia: results and long-term follow-up.

Seven of 120 consecutive patients with inducible sustained ventricular tachycardia (from September 1, 1988 to January 1, 1991) had bundle branch reentrant tachycardia and underwent percutaneous radiofrequency ablation of the right bundle branch. The seven patients had been unsuccessfully treated with a mean of 3 +/- 1 drugs. Four patients presented with syncope and three with aborted sudden death. The baseline electrocardiogram revealed a left bundle branch block pattern in three patients and an intraventricular conduction defect in four. The baseline HV interval was prolonged in each case (79 +/- 2 ms). With use of programmed ventricular extrastimuli, sustained bundle branch reentrant tachycardia was inducible in all patients at a mean cycle length of 283 +/- 17 ms (range 230 to 350). Bundle branch reentrant tachycardia characteristics included atrioventricular dissociation, a His deflection that preceded each QRS complex and spontaneous His to His variation that preceded changes in ventricular tachycardia cycle length. A quadripolar catheter was positioned across the tricuspid valve with the distal electrode tip of the catheter near the right bundle branch. One to three applications of continuous unmodulated radiofrequency current at 300 kHz between the distal electrode and a large posterior skin patch resulted in complete right bundle branch block in all patients, after which none had inducible bundle branch reentrant tachycardia on restudy. On restudy, three of the seven patients had ventricular tachycardia of myocardial origin (not bundle branch reentry). One patient required no therapy; drug or defibrillator therapy was used in the others.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1984

Studies on left ventricular function during sustained ventricular tachycardia.

The acute effects of rapid ventricular pacing and sustained ventricular tachycardia on left ventricular function were examined in patients with recurrent sustained ventricular tachycardia. Programmed electrical stimulation and left ventricular hemodynamic measurements were performed in 20 patients (19 men and 1 woman), with an age range of 49 to 79 years (mean 63 +/- 9). Indexes of left ventricular function that were analyzed included left ventricular peak systolic pressure, end-diastolic pressure, first derivative of peak left ventricular pressure (dP/dt) and negative left ventricular dP/dt. Measurements were obtained during sinus rhythm, after paced premature ventricular depolarizations, during rapid ventricular pacing (cycle lengths 600 to 250 ms) and immediately after induction of sustained ventricular tachycardia. Mean left ventricular peak systolic blood pressure was 123 +/- 19 mm Hg during sinus rhythm, decreased to 77 +/- 23 mm Hg (p less than 0.05) at the induction of ventricular tachycardia and remained decreased during arrhythmia (p less than 0.01). Mean left ventricular end-diastolic pressure was 22 +/- 5 mm Hg during sinus rhythm, did not change after arrhythmia induction (22 +/- 9 mm Hg, p greater than 0.2) and remained unchanged during sustained ventricular tachycardia (p greater than 0.2). Mean peak left ventricular dP/dt was 1,400 +/- 620 mm Hg/s in sinus rhythm, decreased to 810 +/- 580 mm Hg/s (p less than 0.05) at ventricular tachycardia induction and remained decreased during sustained ventricular tachycardia (p less than 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗
PubMed2004

Project ENABLE: a palliative care demonstration project for advanced cancer patients in three settings.

At the end of the 1990s, based on data from two major studies of end-of-life (EOL) care, the Study to Understand Prognoses and Preferences for Outcomes and Risks of Treatment (SUPPORT), and the Hospitalized Elderly Longitudinal Project (HELP), a consensus panel report documented the problems and needs of patients with cancer and other life-limiting diagnoses at end-of-life. A national program of The Robert Wood Johnson Foundation (RWJF), Promoting Excellence in End-of-Life Care, attempted to address these needs by funding demonstration projects to test various approaches to improve identified deficits. In 1998, Project ENABLE (Educate, Nurture, Advise Before Life Ends), one of four RWJF-funded cancer center/hospice collaborations of the Promoting Excellence program, began to address these issues. The jointly sponsored Norris Cotton Cancer Center (NCCC)/Hospice of Vermont and New Hampshire (Hospice VNH) program provided an integrated approach to the management of life-limiting cancer. Project ENABLE was aimed at alleviating the symptoms of disease and treatment, enhancing clinician and patient/family communication, offering support for families, friends and other caregivers, addressing emotional and spiritual needs of dying people and providing conceptual and administrative structure to provide EOL care consistent with patients' values and preferences. Although patient symptom data is not yet available, other measures of success included improved access to hospice and palliative care services from the time of diagnosis and a sustained palliative care program at two of the three sites in which the program was implemented.

Aged↗
PubMed2002

Moving from recommendation to implementation and audit: part 2. Review of interventions and audit.

There are multiple interventions available that may help to control the development and spread of resistance to antimicrobial agents in bacteria implicated in community-acquired respiratory tract infections. Unfortunately, very few studies have assessed the effectiveness of these interventions using objective end-points, such as reduction in resistance rates and improvement in clinical outcomes. Most interventions are centered on reducing inappropriate or unnecessary use of antibiotics; others focus on reducing disease burden and bacterial colonization. With regard to antibiotic use, efforts should be concentrated at both the prescriber and consumer levels. Interventions that target prescribers include: provision of educational materials; strategies and tools to improve diagnosis; implementation of practice guidelines; personalized interactive sessions with feedback on the practice profile; and use of delayed prescription and alternative prescribing strategies. Optimal results are usually obtained when these interventions are combined with consumer education. Regulatory interventions (e.g. licensing regulations and controlled access to drugs), restrictions in the use of agents for growth promotion in animals, and use of nonantimicrobial therapies (e.g. probiotics) may help further to reduce inappropriate antibiotic use and thereby decrease the selective pressure for development of resistance. Infection-control strategies, public health measures, vaccination programs, and new antibiotics all have a role in minimizing the spread of resistant organisms. Ideally, resistance-control programs should include predefined criteria for success and integral audit processes based on objective end-points (antibiotic use, resistance trends, and health outcomes). Standardization of data collection is imperative so that the relative merits of various interventions can be compared. Effective implementation and audit of interventions is often difficult in developing countries owing to poor health-care infrastructures, lack of resources, poor education/training, and minimal regulatory controls on the supply and quality of antimicrobials. Substantial support from governments and health-care organizations across the globe is required to initiate and sustain effective intervention programs to control antimicrobial resistance.

Anti-Bacterial Agents↗
PubMed1992

The Washington Heights-Inwood Healthy Heart Program: a third generation community-based cardiovascular disease prevention program in a disadvantaged urban setting.

The Washington Heights-Inwood Healthy Heart Program (WHIHHP) is part of the New York State Healthy Heart Program, which comprises eight community-based programs in different areas of the state. WHIHHP is directed at a population of approximately 200,000 people, predominantly Hispanic and of low socioeconomic status, living in northern Manhattan in New York City. The initial 3 years of experience are presented. Six potential barriers to diffusion of the community-based disease prevention model in disadvantaged inner city communities are discussed: (a) issues of scale and complexity; (b) adaptation of this model to a "community" without geopolitical boundaries or infrastructure; (c) linguistic and cultural diversity; (d) competing problems; (e) the role of evaluation; and (f) sustainability of the program in a poor community. Strategies for addressing obstacles to model adoption are also described, including program legitimization, building program infrastructure, setting realistic expectations, focusing on one risk factor at a time, defining target population segments, and emphasizing a small number of communication channels. Finally, research issues related to the diffusion of the community-based model are discussed, specifically: (a) Does the model work in disadvantaged urban settings? (b) What are the program effects on social class gradients for risk factors? (c) What are the barriers to program adoption in such settings? (d) What changes in the model will facilitate adoption in such settings? (e) What are the best methods for conducting formative evaluation in such programs? (f) What is the best way to select communities that may be ready to adopt the model? Our initial experience implementing this model in a disadvantaged urban setting supports the feasibility of model adoption. Unanswered questions about efficacy in such settings and regarding research issues related to model diffusion will require additional research investment.

Adolescent↗
PubMedDate not supplied

Tai Chi and mindfulness-based stress reduction in a Boston Public Middle School.

This article provides a description of a clinical project that used combined Tai Chi and mindfulness-based stress reduction as an educational program. The 5-week program demonstrated that sustained interest in this material in middle school-aged boys and girls is possible. Statements the boys and girls made in the process suggested that they experienced well-being, calmness, relaxation, improved sleep, less reactivity, increased self-care, self-awareness, and a sense of interconnection or interdependence with nature. The curriculum is described in detail for nurses, teachers, and counselors who want to replicate this type of instruction for adolescent children. This project infers that Tai Chi and mindfulness-based stress reduction may be transformational tools that can be used in educational programs appropriate for middle school-aged children. Recommendations are made for further study in schools and other pediatric settings.

Adolescent↗
PubMed1983

Delayed termination of re-entrant atrioventricular nodal tachycardia.

Termination of atrioventricular nodal (AVN) re-entrant tachycardia by one or two induced premature beats generally occurs within one tachycardia cycle from the last premature beat. Two cases are described in which programmed stimulation during sustained re-entrant AVN tachycardia caused delayed termination in the second or third tachycardia cycle following the extrastimuli. The site of block was the antegrade pathway in one case and the retrograde pathway in the other. The most likely mechanism was induced second degree block in one limb of the tachycardia circuit. Delayed termination provided evidence for concealed penetration of the tachycardia circuit in one case. We conclude that delayed termination of tachycardia is not an indicator of the underlying mechanism of tachycardia. Delayed termination may reveal concealed penetration of the tachycardia circuit. Lastly, in unusual cases programmed stimulation may fail to cause immediate termination of re-entrant tachycardia but may perturb the tachycardia circuit enough to cause termination in subsequent tachycardia cycles.

Atrioventricular Node↗
PubMed1994

Role of programmed ventricular stimulation in patients with idiopathic dilated cardiomyopathy and documented sustained ventricular tachyarrhythmias: inducibility and prognostic value in 102 patients.

The role of programmed ventricular stimulation (PVS) in patients at high risk of sudden death related to idiopathic dilated cardiomyopathy (DCM) is still controversial. The possible reason is that most study series have been too small or that only a few patients had documented sustained ventricular tachyarrhythmias. This study therefore, looked at PVS performed in 102 patients with DCM and documented sustained ventricular tachycardia (VT; n = 63) or ventricular fibrillation (VF; n = 39). Sustained VT was induced in 27 of 63 patients (43%) with documented sustained VT and in 14 of 39 patients (36%) with documented VF (ns). VF was induced in nine patients (14%) with a history of sustained VT and in seven (18%) with a history of VF (ns). At a mean follow-up of 32 +/- 15 months, sudden death occurred in 14 (14%) patients, a rate similar in both patients with documented VT and VF (ns). Incidence of sudden death at 36 months was 6% in patients with inducible sustained VT/VF compared to 29% in patients without inducible VT/VF (P < 0.05). A favourable drug regimen (response to drug and no intolerable side effects) was obtained by serial drug testing in 25 of all 102 patients (25%). A cardioverter defibrillator (ICD) was implanted in 32 patients, in 63% of whom discharges were observed during 18 +/- 11 months of follow-up; only one patient (3%) died suddenly. Thus, in patients with DCM, there was no relationship between documented and inducible ventricular tachyarrhythmias, and initiation of sustained VT or VF had little prognostic value for the prediction of subsequent sudden death. Wherever antiarrhythmic drug therapy was of limited value, implantation of an ICD may improve the prognosis of these high risk patients.

Anti-Arrhythmia Agents↗
PubMed2005

Remote physiological monitoring: clinical, financial, and behavioral outcomes in a heart failure population.

This article reports on the outcomes associated with remote physiological monitoring (RPM) conducted as part of a heart failure disease management program. Claims data, medical records, data transmission records, and survey results for 91 individuals ages 50-92 (mean 74 years) successfully completing a heart failure RPM program were analyzed for time periods before, during, and after the monitoring intervention. The program was associated with significant reductions in per member per month costs and emergency room and hospital utilization. More detailed analyses were performed for specific gender and age subgroups. Participant surveys indicated high levels of satisfaction, and improvements in self-perceived health status, self-efficacy, and self-management behaviors. This study is the first to assess the impact of a RPM program following removal of the monitoring equipment. The results indicate that RPM, as a component of a traditional disease management program, has a sustained, beneficial effect on participants' lifestyles after the monitoring period has ended.

Aged↗
PubMed2000

Long-term effects of a nationwide control program on the seropositivity for Trypanosoma cruzi infection in young men from Argentina.

Unselected nationwide cohorts of Argentine men 18 years of age summoned for military service were tested for antibodies to Trypanosoma cruzi each year from 1981 to 1993. After an initial screening using indirect hemagglutination test, the positive sera were retested by titrated indirect hemagglutination and immunofluorescence antibody tests at 39 laboratories or at the national reference center in Buenos Aires. Nearly 1.8 million men were examined for T. cruzi antibodies using the same standardized procedures under a quality assurance program. The prevalence of seropositivity for T. cruzi decreased significantly from 5.8% in 1981 to 1.9% in 1993, but the decrease was not homogeneous among provinces within each region or constant over time. Prior to the nationwide control campaign initiated in 1961-1962, 15 provinces had high (> 20%) percentages of houses with domiciliary infestation by Triatoma infestans bugs, which decreased to nine provinces in 1982, and four provinces in 1992. The observed decrease in the prevalence of seropositivity for T. cruzi may be mostly attributed to the spraying with insecticides to eliminate the domiciliary populations of Triatoma infestans. The lack of a sustainable triatomine surveillance program set a limit to the decrease of seropositivity rates and prompted a revised strategy based on community participation.

Adolescent↗
PubMedDate not supplied

A methodological approach and framework for sustainability assessment in NGO-implemented primary health care programs.

An estimated 10.8 million children under 5 continue to die each year in developing countries from causes easily treatable or preventable. Non governmental organizations (NGOs) are frontline implementers of low-cost and effective child health interventions, but their progress toward sustainable child health gains is a challenge to evaluate. This paper presents the Child Survival Sustainability Assessment (CSSA) methodology--a framework and process--to map progress towards sustainable child health from the community level and upward. The CSSA was developed with NGOs through a participatory process of research and dialogue. Commitment to sustainability requires a systematic and systemic consideration of human, social and organizational processes beyond a purely biomedical perspective. The CSSA is organized around three interrelated dimensions of evaluation: (1) health and health services; (2) capacity and viability of local organizations; (3) capacity of the community in its social ecological context. The CSSA uses a participatory, action-planning process, engaging a 'local system' of stakeholders in the contextual definition of objectives and indicators. Improved conditions measured in the three dimensions correspond to progress toward a sustainable health situation for the population. This framework opens new opportunities for evaluation and research design and places sustainability at the center of primary health care programming.

Child↗
PubMed2005

Incremental cost-effectiveness ratios (ICERs): the silence of the lambda.

Despite the central role of the threshold incremental cost-effectiveness ratio (ICER), or lambda (lambda), in the methods and application of cost-effective analysis (CEA), little attention has been given to the determining the value of lambda. In this paper we consider 'what explains the silence of the lambda'? The concept of the threshold ICER is critically appraised. We show that there is 'silence of the lambda' with respect to justification of the value of ICER thresholds, their use in decision-making and their relationship to the opportunity cost of marginal resources. Moreover, the 'sound of silence' extends to both 'automatic cut-off' and more sophisticated approaches to the use of lambda in determining recommendations about health care programs. We argue that the threshold value provides no useful information for determining the efficiency of using available resources to support new health care programs. On the contrary, the threshold approach has lead to decisions that resulted in increased expenditures on health care programs and concerns about the sustainability of public funding for health care programs without any evidence of increases in total health gains. To improve efficiency in resource allocation, decision-makers need information about the opportunity costs of programs.

Cost-Benefit Analysis↗
PubMed2006

Developing an interdisciplinary, community-based education program for health professions students: the Rochester experience.

To successfully meet the nation's changing health needs, future health professionals must learn skills in applied health promotion and disease prevention. To achieve these goals, the Center for Rochester's Health (the Center), a collaboration of the Monroe County Department of Public Health and the University of Rochester School of Medicine and Dentistry and School of Nursing, all located in Rochester, New York, developed an innovative education program that gives interdisciplinary teams of students opportunities to partner with community agencies engaged in research-oriented health improvement initiatives. The Center started this course in 1998, under the auspices of a national initiative supported by the Health Resources and Services Administration and the Institute for Healthcare Improvement. The authors discuss the challenges related to the implementation and institutionalization of this interdisciplinary population-based education program. They describe their experiences over a seven-year period, from 1998 to 2005, including the various factors that enabled them to make necessary changes in the program activities and the ways in which the Center was able to bring departments together to consider new course directions for engaging students in the community health improvement process. They discuss the different stages of program development, including the early years of program planning and later curriculum changes that involved the development of an online population health curriculum. The authors conclude that by understanding changes in the education goals of various health professions schools and by adapting education programs to meet the needs of students from these schools, program planners will have more opportunities to sustain community-based education programs.

Academic Medical Centers↗
PubMed1991

Pharmacokinetic interaction of antimicrobial agents with levomethadon in drug-addicted AIDS patients.

Morphine and its derivatives are metabolized by the liver microsomal enzyme system with a high first-pass effect after oral application. In four of 44 HIV-infected i.v. drug abusers who participated in a levomethadon maintenance program, we observed sustained symptoms of under-dosage and loss of effect of there to fore well-tolerated substitution therapy during rifampin treatment or therapy with zidovudine or fucidic acid. As a pharmacological model substance for cytochrome p 450 enzymes, measurement of antipyrine in serum by high pressure liquid chromatography revealed induction of cytochrome p 450 isoenzymes. The half-life of antipyrine decreased (patient 1 from 11.3 to 8.4 h and patient 2 from 10.7 to 7.6 h after rifampin, patient 3 from 12.2 to 8.6 h after fucidic acid, and patient 4 from 10.6 to 8.6 h after zidovudine). In i.v. drug abusers on levomethadon maintenance programs, adjustment of the levomethadon dosage may be necessary when specific therapy for HIV infection and associated diseases requires the use of drugs known to be potent inducers of the liver microsomal enzyme system.

Acquired Immunodeficiency Syndrome↗