Designing and sustaining a palliative care and home hospice program.
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Interview↗
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Limited role of intravenous propafenone hydrochloride in the treatment of sustained ventricular tachycardia: electrophysiologic effects and results of programmed ventricular stimulation.
The electrophysiologic effects and response to programmed ventricular stimulation of intravenous propafenone, an experimental antiarrhythmic agent, were studied in a group of 14 patients with both clinical and induced sustained ventricular tachycardia. Twelve of the 14 patients had not responded to conventional antiarrhythmic drug therapy. Propafenone had no significant effect on sinus cycle length (836 +/- 170 ms before and 750 +/- 124 ms after propafenone), P wave duration (108 +/- 24 ms before and 106 +/- 23 ms after propafenone) or PR interval (181 +/- 45 ms before and 194 +/- 53 ms after propafenone). QRS duration and ventricular effective refractory periods increased significantly (109 +/- 20 to 130 +/- 21 ms and 235 +/- 24 to 256 +/- 19 ms, respectively). Ventricular tachycardia remained inducible or occurred spontaneously in 13 of 14 patients after propafenone administration. Neither mode of initiation nor mode of termination of ventricular tachycardia was predictably altered. Additional forms of ventricular tachycardia were seen in six patients. Cycle length of ventricular tachycardia was 303 +/- 73 ms before and 346 +/- 143 ms after propafenone (p = NS). In conclusion, intravenous propafenone does not significantly affect sinus rate, intraatrial conduction or atrioventricular conduction. Ventricular refractoriness and intraventricular conduction are prolonged. The mode of initiation, mode of termination and ventricular tachycardia cycle length are not predictably altered, but ventricular tachycardia occasionally occurs spontaneously after propafenone. Intravenous propafenone rarely prevents induction of ventricular tachycardia in patients with sustained ventricular tachycardia refractory to conventional antiarrhythmic agents.
Anti-Arrhythmia Agents↗
Nonischemic sustained ventricular tachycardia: clinical outcome in 12 patients with arrhythmogenic right ventricular dysplasia.
The clinical course and long-term follow-up of 12 patients with arrhythmogenic right ventricular dysplasia causing ventricular tachycardia are presented. No patient had a history of congestive heart failure and the cardiothoracic ratio measured less than or equal to 0.5 in all patients. All 12 patients were symptomatic during ventricular tachycardia; syncope occurred in 4. Exercise-related symptoms were present in 8 (73%) of 11 patients. The mean right ventricular ejection fraction was 31% (range 20% to 54%), and the mean left ventricular ejection fraction was 68% (range 44% to 88%). Signal averaging of the rest electrocardiogram (ECG) revealed late potentials in five of eight patients. During programmed electrical stimulation, sustained or nonsustained ventricular tachycardia showing a left bundle branch block configuration was induced in all patients. One patient underwent right ventricular disconnection and died 1 week after operation of low cardiac output failure. The remaining 11 patients were all treated medically and are alive at a mean follow-up time of 7.9 years after the onset of symptoms. Recurrence of symptomatic and documented sustained monomorphic ventricular tachycardia occurred in eight patients and could not be predicted by results of long-term ECG monitoring, treadmill exercise testing or programmed stimulation. In conclusion, despite recurrence of ventricular tachycardia, patients with arrhythmogenic right ventricular dysplasia have a favorable outcome when treated medically. Noninvasive studies (imaging techniques, ambulatory ECG monitoring and exercise testing) provide data that may be sufficient in diagnosing arrhythmogenic right ventricular dysplasia.
Adult↗
Increased muscle efficiency and sustained benefits in an outpatient community hospital-based pulmonary rehabilitation program.
Previous reports of pulmonary rehabilitation programs have demonstrated improvement in exercise capacity in subjects with disabling pulmonary disease. However, the cost-effectiveness, benefits to outpatients in a community setting, durability of these improvements, and mechanism of improved exercise capacity remain unclear. Forty-four patients with an average FEV1 of 33 +/- 4 percent of predicted completed a six-week long period of supervised treadmill exercise, as well as a continuing home program. Twenty percent had previously unsuspected cardiac disease discovered through the program, while 36 percent had previously unsuspected exercise desaturation. Cardiopulmonary stress testing before and after the program revealed a 73 +/- 16 percent improvement in aerobic capacity (METs peak [power]) and a 250 +/- 78 percent improvement in endurance (MET-min [work]). No significant change was seen in VE max, HR max, FEV1, or the degree of exercise desaturation. Only a small improvement was noted in VO2 max (15 +/- 8 percent) and O2 pulse (16 +/- 8 percent), suggesting that most of the improvement was due to improved muscle efficiency. Follow-up testing at 12 +/- 3 months in 24 subjects revealed that 89 +/- 7 percent of the peak exercise performance was maintained. The cost of the basic program was +800. The results demonstrated that an outpatient community hospital pulmonary rehabilitation program can accomplish substantial exercise capacity improvement with sustained benefits in a cost-effective manner.
Arrhythmias, Cardiac↗
Pharmacological effects of melatonin on reproductive activity: experimental bioimplants with sustained-release polymeric systems.
A vast literature documents the role of melatonin in human reproductive function including: a) the relation between melatonin and the menstrual cycle in relation to the peak time of luteinizing hormone in the middle of the cycle; b) the varying concentrations of melatonin in the control of puberty; c) the fewer conceptions in some artic populations where melatonin is connected significantly to seasonal photoperiodicity during the months of the polar nights. The aim of this paper is to report our findings on the pharmacological action of this molecule on reproduction in which gonadal activity is clearly connected to photoperiodicity. We used polymer bioimplants programmed for the sustained release of melatonin for experimental gynecologic protocols. These implants had beneficial results with respect to the use of progestinics because melatonin allowed ovarian activity to be induced for at least two to three consecutive cycles with one single bioimplant. We thought it indispensable to use pharmacological systems with a sustained release because different preliminary tests showed that the half-life of melatonin is limited at maximum to two to three hours and, consequently, any other tested modalities of administration would not provide any appreciable results for our study. As a model for our research we used goats to administer melatonin via targeted programs since these animals clearly respond (even against the rule of the light/dark relation) in contrast to humans in whom response is less evident. For controls, after inserting bioimplants in the animals, we tested their efficiency in vitro and subsequently in vivo, evaluating blood parameters and pharmacological effects of melatonin occurring during the treatment. The final results proved to be interesting in relation to reproductive activity in that regular and programmed births were achieved.
Absorbable Implants↗
Conversion of sustained into nonsustained ventricular tachycardia during therapy assessment by programmed ventricular stimulation: criterion for a positive drug effect?
Serial electropharmacologic testing using up to 11 different antiarrhythmic drugs was performed in 130 consecutive patients (107 men, 23 women, ages 56 +/- 12) with inducible sustained ventricular tachycardia (VT). After 4 +/- 2.3 drug tests, complete suppression of VT inducibility (defined as less than 6 consecutive beats, mean 1.4 +/- 1.6) was achieved in 86 patients (66%), whereas in 44 patients (34%) nonsustained VTs (greater than or equal to 6 consecutive beats, less than 30 seconds in duration) were still inducible. There was no statistical difference between both groups regarding age, sex, underlying heart disease, ejection fraction or entry arrhythmia. After a mean follow-up period of 19 +/- 17 months, 24 patients (18%) had died, 8 (6%) suddenly. Eight patients (6%) experienced recurrent sustained VT. Symptomatic recurrences (sudden death or VT) occurred in 10 (11%) and 6 patients (13%, difference not significant), respectively. Probability of arrhythmia-free survival was comparable for patients with 0 to 5, 6 to 10, 11 to 15 and 16 to 32 inducible ventricular complexes with discharge medication. The negative predictive value of electropharmacologic drug testing was about 89%, irrespective of the maximal number of inducible complexes used for the definition of a negative test result. It is therefore concluded that conversion of sustained into nonsustained VT during therapy assessment by programmed ventricular stimulation indicates a positive drug effect.
Anti-Arrhythmia Agents↗
[Patients with structural heart disease, syncope of unknown etiology and inducible ventricular arrhythmias treated with implantable defibrillators].
OBJECTIVES: This study evaluates the hypothesis that in patients with syncope of unknown origin and heart anomalies, inducible ventricular arrhythmias are specific arrhythmias and therefore should be treated as such. BACKGROUND: Although syncope is a frequent clinical entity, the evaluation and treatment of patients with syncope without a clear etiology still remains undefined. Many patients with syncope of undetermined origin undergo invasive electrophysiologic evaluation. Abnormalities of the sinus node, prolongation of conduction times or inducible arrhythmias found during these evaluations are usually assumed to be the cause of syncope, and are consequently treated. However, whether tachyarrhythmias are truly the cause of syncope, and whether treatment of these tachyarrhythmias can prevent recurrent syncope and arrhythmic death, is unknown. PATIENTS AND METHODS: An electrophysiological study was performed on 160 patients with structural heart disease and syncope of unknown origin. In 23 out of the 160 patients (16%), programmed electrical stimulation induced sustained ventricular arrhythmias. In 18 out of the 23 patients an automatic defibrillator was implanted and they form the study group. RESULTS: In these 18 patients, programmed ventricular stimulation induced sustained monomorphic ventricular tachycardia in 12, sustained polymorphic ventricular tachycardia in 2 and ventricular fibrillation in 4. During a mean follow-up of 14 months, 9 patients received 81 appropriate therapies from the device (53 because of ventricular tachycardia and 23 because of ventricular fibrillation). The probability of appropriate therapy was 100% at 1 year follow-up. There were no episodes of sudden death and 1 patient died of congestive heart failure. CONCLUSIONS: In patients with syncope of undetermined origin, heart disease and inducible ventricular tachyarrhythmias treated with a implantable cardioverter defibrillator, there is a high incidence of appropriate therapies. Our results support the practice of using implantable cardioverter defibrillators in patients with syncope of unknown origin, heart disease and inducible ventricular arrhythmias.
Adolescent↗
An institutional system to monitor and improve the quality of residency education.
PURPOSE: This study sought to investigate whether an institution's Graduate Medical Education Committee (GMEC) could develop a system of continuous quality improvement of its residency programs using an annual survey provided by the institution for all residents. METHOD: Beginning in 2000, residents were surveyed annually about their educational and work environments. The GMEC determined standards of performance for the items on the survey based on four areas commonly cited by the Accreditation Council for Graduate Medical Education: supervision, feedback/evaluation, scholarly time, and duty hours. Residency program directors submitted action plans to improve those areas rated below the standard by the residents in the program. RESULTS: The 2000 survey served as baseline. In 2001, residency programs met the standard for 55.2% of the items, and 18 programs submitted 67 action plans. In 2002, programs met the standard for 80.6% of the items. For the items below standard, programs showed improvement in 14.9% and declined in 4.5% of the items compared with baseline. Six of the 18 programs had accreditation site visits during the study period. Five received no citations in the targeted areas. The sixth program was visited three months after it developed action plans for its six deficient areas. It received citations for two of the six areas. CONCLUSION: An institution that sponsors residency programs can develop and sustain an effective system to continuously monitor and evaluate its programs and improve the educational quality as evidenced by successful accreditation decisions.
Accreditation↗
Trends in dental and allied dental education.
BACKGROUND: Educational programs play an important role in preparing a qualified dental work force. This article reviews the current status and trends in dental, advanced dental and allied dental education programs in the United States and examines their impact on the dental work force. OVERVIEW: This analysis focuses on survey data collected by the American Dental Association during the past 10 to 15 years and compares recent patterns in applications, enrollment and graduation with previous trends. The numbers of educational programs, applicants, enrollees and graduates have increased in dentistry, dental hygiene and dental assisting, while dental laboratory technology has declined in all measures. The proportion of women in dentistry has increased, while the ethnic profile of dental and allied personnel has shown little change. Both the cost of dental education and student debt continue to increase. CONCLUSIONS: Despite increases in the number of educational programs and overall numbers of graduates from dental and allied dental education programs, the proportion of underrepresented groups still lags behind their representation in the overall population, and the number of allied personnel falls short of practice needs. PRACTICE IMPLICATIONS: Patterns in applications, enrollment and graduation are important determinants of the dental and allied dental work force. The cost and funding of education significantly affect the attractiveness of dental careers and the sustainability of educational programs and should be monitored carefully by the profession.
Costs and Cost Analysis↗
Evaluation of the PSAMAO "Roulez Protégé" mass media campaign in Burkina Faso. Prévention du SIDA sur les Axes Migratoires de l'Afrique de l'Ouest.
This study assesses the impact of the Prevention du SIDA sur les Axes Migratoires de l'Afrique de l'Ouest Roulez Protege mass media campaign in Burkina Faso on truckers' likelihood of talking with colleagues about HIV/AIDS, using condoms with an occasional sexual partner, and intending to use a condom in the future. A total of 764 and 1,032 truckers were interviewed in 1997 and 2000 along the Ouagadougou-Niangoloko trucking route. Truckers' exposure to the program has been high and the main message promoted has been greatly understood among those exposed. Logistic regression analyses suggest that the campaign did not have direct behavioral impacts. Exposure to radio spots and participation in group discussions were found to be significantly associated with truckers discussing AIDS with peers or reporting intentions to use a condom in the future. Exposure to Roulez Protege messages through television or billboards was not found to be significantly associated with interpersonal discussion or condom use intentions. Programs should seek to sustain and expand the indirect effects of these types of programs in West Africa. Reinforcing interpersonal counseling interventions should, down the road, lead to overall knowledge and behavior changes among the high-risk trucker population.
Adolescent↗
Community pharmacy residency programs, 1997-1998.
OBJECTIVE: To obtain a descriptive "snapshot" of community pharmacy residency programs active in 1997-1998. DESIGN: Survey (telephone interview) of community pharmacy residency program directors. METHODS: An advance letter to residency directors stated the purpose of the study and requested written information on their residency program. Using a scripted questionnaire, telephone interviews were conducted with each residency director. RESULTS: Descriptive statistics were used to portray the data. There were 13 active community pharmacy residency programs with 20 filled residency sites nationwide at the time of the study. Results revealed that 9 (69%) programs were funded by multiple sources, 3 programs were funded solely by the affiliated college, and 1 program was funded solely by the affiliated pharmacy. Of the 10 residency programs that had been in existence for longer than 1 year, 7 (70%) had the same funding source as they did the first year. Respondents provided descriptions of the residency programs, along with insight into the challenges of creating such programs. At the time of publication (November 1999), there were 50 active community residency sites within the 21 active community pharmacy residency programs. Several other programs are planned for implementation in July 2000. CONCLUSION: In general, community pharmacy residency programs continue to grow in number, and funding has been sustained due to the programs' successful outcomes. The results of this study provide a framework for the improvement of existing community pharmacy residency programs and the development of additional ones.
Community Pharmacy Services↗
Discordant results of programmed ventricular stimulation at different right ventricular sites in patients with and without spontaneous sustained ventricular tachycardia: a prospective study of 56 patients.
Programmed ventricular stimulation (PVS) was prospectively performed in 56 consecutive patients from both the right ventricular (RV) apex and the RV outflow tract. Thirty-seven patients had documented clinical sustained ventricular tachycardia (VT) and 19 patients had no sustained spontaneous VT in the absence of antiarrhythmic drugs. The sensitivity of VT induction was 65% from the RV apex, 76% from the RV outflow tract and was 89% with combined stimulation at both RV sites. The specificity from the RV apex, the RV outflow tract and both sites combined was 100%. When sustained VT was induced from both sites (51%), it was usually of the same morphologic characteristics, axis and cycle length. When sustained VT was induced at 1 site and nonsustained VT at the second site, the morphologic characteristics or axis usually differed. Of patients who had VT induced at both RV sites during the baseline study 37% had VT rendered noninducible during treatment with conventional antiarrhythmic agents. No patients whose VT was induced at only 1 RV site responded to conventional drugs. We conclude that programmed ventricular stimulation at a second RV site is frequently helpful in the evaluation of VT. Inducibility at only 1 of 2 RV sites predicts a poor response to conventional antiarrhythmic drugs.
Adult↗
Physicians helping the underserved: the Reach Out program.
In the current health care environment of competition and market forces, concern has arisen that the classic principle of serving disadvantaged persons may not be fulfilled due to pressures from managed care. Reach Out, a $12 million national program of the Robert Wood Johnson Foundation, was developed to recruit leaders from among practicing physicians to organize projects to care for the uninsured and underserved. Physician volunteerism was a key component of all projects. Thirty-nine Reach Out projects were implemented and carried out across the United States, with average funding per project of $300000 distributed over a period of 4 years. Seven model types emerged, the most common of which, the free clinic and the referral network, accounted for two thirds of the total. At the program's conclusion, 199584 patients were enrolled and 11252 physicians recruited. Project execution was more complex than initially supposed, and major progress commonly was not evident until the third or fourth year, but at least two thirds of the projects are likely to continue with local support. With strong physician leadership and a funded administrative core, organized community efforts can develop and sustain an effective program. Programs such as Reach Out cannot solve the national problem of access to health care, but they can make a small but important impact on the number of uninsured and underserved persons without access to health care.
Altruism↗
Programmatic and Communication Issues in Relation to Serious Adverse Events Following Ivermectin Treatment in areas Co-endemic for Onchocerciasis and Loiasis.
In areas co-endemic for loiasis and onchocerciasis, the classic Community-Directed Treatment using ivermectin (Mectizan(R)) must be adapted as additional program activities, better communication and tighter control of ivermectin stocks are required to minimize risk and manage serious adverse events following ivermectin treatment in patients co-infected with Loa loa. The importance of these serious adverse events on community participation in onchocerciasis control efforts has not been adequately studied. Program implementers do not as of yet fully understand the psychological impact of serious adverse events on communities and therefore have not designed communication strategies that adequately address the real concerns of community members. It is clear, however, that along with an effective case detection and management strategy, a reinforced communication strategy will be required to motivate at least 65% of the total population in onchocerciasis and loiasis co-endemic areas to participate in the treatment program and to take ivermectin over an extended period. This strategy must be based on research undertaken at the community level in order to address the concerns, fears and issues associated with adverse events due to ivermectin - to ensure that communities believe that the benefits of taking ivermectin outweigh the risks. In addition to an overall increase in the time required to sustain onchocerciasis control programs in co-endemic areas, each aspect of the reinforced program and communication strategy - rapid epidemiological assessments, materials development, training, advocacy, community sensitization and mobilization, case management and counselling, supervision, monitoring and evaluation will require additional resources and support from all stakeholders concerned.
Journal Article↗
Patients as peer preceptors for orthopedic oncology rehabilitation patients.
This article describes a peer preceptor program that trains patients who have experienced limb preservation surgeries and managed long-term rehabilitative therapy to support and teach newly diagnosed patients through their rehabilitation. This preceptor program was designed to complement the professional counseling and support that rehabilitation staff provide to patients and their families. Training includes communication techniques, practice sessions using videotaped scenes of patients and their families, as well as role-playing. Experienced patients who became preceptors as a result of this program were orthopedic oncology patients who had completed limb preservation surgery, chemotherapy, grafting, and physical therapies. After their training, preceptors exhibited improved communication skills in terms of empathy, listening, and voice expressions. Initiatives designed to make the preceptor program self-sustaining by having staff nurses manage the training still have to be tested.
Extremities↗
Vaccinations in the Third World: a consideration of community demand.
Impressive increases in immunization rates have been reported in several less developed countries (LDCs) as a result of intensive EPI programs. An issue arises as to whether existing rates of immunization coverage can be sustained/increased given projected cutbacks in funding. This issue calls into question the assumption that as immunizable disease rates fall, local populations will need less encouragement to secure immunization services. This article considers how immunizations are perceived by lay populations and how perceptions of utility and need effect demand which in turn effects the sustainability of EPI programs. Among issues addressed is the observation that when specific diseases are not linked to specific immunizations, misimpressions related to the number of immunizations needed for "good health" abound. Also considered are metamedical reasons immunizations (and immunization programs) are both resisted and demanded in particular political contexts.
Africa↗
A partnership with minority populations: a community model of effectiveness research.
This paper describes a community-based approach, including a partnership of an academic medical institution and a high-risk, urban, African-American population, directed at decreasing premature morbidity and mortality and enhancing health and functional status. The intervention approach is based on a model of community-based leadership and "ownership" of interventions and programs to enhance sustainability of effective approaches, and it follows specific stages to assure appropriate assessment and evaluation. Initial efforts were directed at the control of hypertension and were coordinated through decentralized mayor's stations in Baltimore, Maryland. This approach was successful in significantly enhancing control of hypertension and reducing related morbidity and mortality. Over time, an enhanced partnership has been coordinated through churches in the community and organized around a program entitled "Heart, Body, and Soul." Current efforts are directed at the major risk factors and preventable and/or controllable problems in the population, such as hypertension, smoking, obesity, diabetes, hyperlipidemia, and cervical and breast cancer. Key components include the training of neighborhood health workers to provide screening, counseling, monitoring, support, and follow-up; enhanced access to care; training of high school students as health counselors; and use of media to promote healthier life-styles.
Academic Medical Centers↗
Documenting the sustainability of a mature Click It or Ticket program: the North Carolina experience.
North Carolina was the first United States jurisdiction to implement a statewide program (called Click It or Ticket) coupling concentrated enforcement with massive publicity to increase seat belt use. After a successful pilot program in three very different North Carolina communities, the statewide program was launched in October 1993, and has been most active and productive as well as imitated by many other states over the past decade. This paper explores the combination of ingredients that have been employed and sustained over that period of time. These include: (a) a basic coalition of critical public-private agencies (central to the planning, execution, and publicity of the many Click It or Ticket programs); (b) critical top-down commitments (starting with the governor); (c) pervasive and innovative media events/press releases/ PSAs/ web site information; (d) vigorous and well-publicized law enforcement; (e) feedback on results with solid, updated data; (f) related statewide and local programs/activities; and last but not least (g) continuous funding.
Accidents, Traffic↗