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The effects of an advanced practice nurse-directed heart failure program.

A study was conducted to determine if an inpatient heart failure program directed by an advanced practice nurse (APN) affects the following patient outcomes: length of hospital stay, mortality, readmission rates, and adherence to the recommended clinical regimen. Evaluating APN-directed heart failure programs may assist hospitals and clinics to determine whether such programs should be replaced, modified, continued, or replicated. For those facilities that are considering beginning a heart failure program, the data provided in this study may help establish the necessity of developing such a program or provide ideas for program design. The APN has an integral role in program design and can assist in achieving positive patient outcomes.

Aged↗

IgG1 antimycobacterial antibodies can reverse the inhibitory effect of pentoxifylline on tumour necrosis factor alpha (TNF-alpha) secreted by mycobacterial antigen-stimulated adherent cells.

Chronic inflammation associated with cachexia, weight loss, fever and arthralgia is the hallmark of advanced mycobacterial diseases. These symptoms are attributed to the chronic stimulation of tumour necrosis factor (TNF)-alpha. Mycobacterial components directly stimulate adherent cells to secrete TNF-alpha. We have shown recently that IgG1 antimycobacterial antibodies play a role in augmenting TNF-alpha in purified protein derivative (PPD)-stimulated adherent cells from non-BCG-vaccinated donors. We now show that IgG1 antibodies can also augment TNF-alpha expression in stimulated adherent cells obtained from BCG-vaccinated donors and this augmentation is not linked to interleukin (IL)-10 secretion. In addition IgG1 antimycobacterial antibodies can reverse the effect of TNF-alpha blockers such as pentoxifylline and thalidomide. These studies therefore have clinical implications for anti-inflammatory drug treatments which are used increasingly to alleviate symptoms associated with chronic inflammation.

Adult↗

The European Union Directive and the protection of incapacitated subjects in research: an ethical analysis.

OBJECTIVE: We perform an ethical analysis of European Union Directive 2001/20/EC on the simplification and harmonization of guidelines regarding good clinical practice in the conduct of clinical trials involving drugs. BACKGROUND: The Directive provides guidance on protecting incapacitated subjects who participate in drug clinical trials. Such guidance promotes society's obligations of beneficence because the participation of incapacitated subjects in research is crucial in advancing the understanding and treatment of serious diseases. The Directive requires proxy consent for incapacitated subjects which adheres to the principle of respect for persons. The Directive also recommends additional safeguards to further protect subjects against exploitation and harm. These include respect for the assent and dissent of incapacitated subjects and the "necessity" and "subject-condition" requirements. RESULTS: While these essential protection mechanisms are commendable, the Directive fails to endorse other safeguards that have been recommended by other research ethics guidelines, especially for riskier research. The Directive's silence regarding research in the emergency setting frustrates the principle of beneficence because the lack of guidance might prove to be a barrier for the conduct of such potentially beneficial research. CONCLUSIONS: We conclude that the European Directive fails in many respects to promote several important ethical principles in research involving incapacitated subjects.

Critical Care↗

Advance directives: prerequisites and usefulness.

Advance directives allow competent persons to extend their right of self-determination into the future, by recording choices that are intended to influence their future care should they become unable to make choices. They are considered tools to facilitate end-of-life decision making. Advance directives are a form of anticipatory decision-making. This article will focus on instruction directives against a certain treatment, so-called advance refusals. The most important legal requirement is the acknowledgement of patient autonomy. This condition is met in all European countries. The legal uncertainties surrounding advance refusals are focused on practical modalities rather than on the validity of the general principle. According to leading ethics the underlying moral rule of advanced directives is that all truly autonomous refusals of treatment must be respected, no matter what the consequences. Physicians find it hard to adhere to the wishes and choices of patients as expressed in directives. They find the text ambiguous. Another weakness is that directives give little information about what in the patient's view constitutes a good quality of life. Some health professionals lack the willingness to step outside their own value systems and fully embrace that of the patient. Empathic skills are required. Very few persons create an advance directive. Furthermore, of the created directives only some are accessible when patients are admitted to hospital. However, when directives are available they usually influence medical treatment decisions.

Advance Directives↗

APN spells success for a heart failure program.

Review the relationship between advanced practice nurse-directed heart failure programs and patient length of stay, mortality, re-admission rate, and adherence to recommended clinical regimens.

Disease Management↗

Perceptions about advance directives by nurses in a community hospital.

Despite the legal mandate for hospitals to comply with the Patient Self-Determination Act and recommendations by the American Nurses' Association for nurses to advocate for the participation of patients in end-of-life decisions, nurses' compliance has been less than enthusiastic. This study used an exploratory descriptive design and a 10-item self-reported questionnaire, which included both multiple-choice and open-ended questions. This study examined nurses' knowledge and comfort with the implementation of the Patient Self-Determination Act. An analysis of this research shows that two major themes emerged: a need for more education involving advance directives and a desire to have other healthcare workers involved in informing patients about advance directives.

Adult↗

Surveyors scrutinize patient rights compliance.

EDs have several areas where they can fail to comply with patient rights standards. Include pain assessment on the delayed nurse report, and reassess for pain. A patient rights statement must be given to all patients, whether they are admitted. Have admission criteria. They may be included in your scope of service document. Ensure your staff members know who obtains consent for emergency procedures such as catheterization. Blanket policies can address cases that don't have consent. Give patients information on advance directives, and find out if the patient is a no code.

Emergency Service, Hospital↗

The isolation of colon cancer organ specific neoantigen by the use of the leukocyte adherence inhibition assay and monoclonal antibodies.

The LAI reactivity of a colon organ specific neoantigen (OSN) was recovered from the urine of advanced colon cancer patients. In this study three physico-chemical steps were employed; precipitation by 80% ammonium sulfate, ion exchange, and molecular sieve chromatography. Each isolate was tested for activity and specificity by the direct tube leukocyte adherence inhibition (LAI) assay employing leukocytes from colon and breast cancer patients. The OSN enriched isolate was then used to generate monoclonal antibodies (Mab). Hybridomas were screened by ELISA. One hybridoma designated Bac 18.1 reacted preferentially with colon OSN and not with the urine from normals or patients with breast cancer. Affinity purification of colon OSN was achieved and it was shown to consist of a single band in SDS-PAGE with an apparent molecular weight of 30,000. The eluted polypeptide was specifically reactive in ELISA as well as in the LAI assay.

Antibodies, Monoclonal↗

Patient-centered clinical decisions and their impact on physician adherence to clinical guidelines.

BACKGROUND: This study was undertaken to assess the impact of traditionally unmeasured patient-centered factors on primary care physicians' decisions to adhere to an evidence-based clinical practice guideline for heart failure. METHODS: Experimental and control scenarios were developed to test three patient-centered factors hypothesized to influence physician nonadherence to a heart failure guideline: patient concerns about finances, quality of life, and location of care. Each factor represented an implicit patient goal potentially in conflict with a goal of the guideline recommendations. A control scenario for one factor and an experimental scenario for a second were placed within a cross-sectional survey and questionnaires were mailed by random assignment to 978 Upstate New York family physicians. Experimental and control responses were compared by chi square. RESULTS: The response rate was 47% (n = 456). Each hypothetical patient-centered factor resulted in significant reductions in physicians' predicted adherence. Reductions in reported pharmaceutical usage and testing of left ventricular (LV) function were associated with patient financial difficulties (P < .01). The poor quality-of-life scenario was associated with reduced testing for LV function but increased discussion of advance directives (P < .01). The clinical scenario limiting access to services for a rural patient was associated with decreases in physician choice of LV function tests and cardiology referrals (P < .05). CONCLUSIONS: Patient-specific factors are associated with physician decisions to comply with guideline recommendations. These findings suggest that performance profiles measuring physician adherence to guidelines should be interpreted with caution, and that current case-mix methodologies may not adequately control for patient-centered factors that may influence health care quality.

Aged↗

Evidence of chemical bonding at biomaterial-hard tissue interfaces.

For many years, glass-polyalkenoate cements have been described as possessing the unique properties of self-adherence to human hard tissues, such as bones or teeth. However, direct experimental evidence to prove the existence of chemical bonding has not been advanced. X-ray Photoelectron Spectroscopy (XPS) was used to analyze the chemical interaction of a synthesized polyalkenoic acid with enamel and synthetic hydroxyapatite. For both enamel and hydroxyapatite, the peak representing the carboxyl groups of the polyalkenoic acid was detected to have significantly shifted to a lower binding energy. De-convolution of this shifted peak disclosed two components with a peak representing unreacted carboxyl groups and a peak suggesting chemical bonding to hydroxyapatite. On average, 67.5% of the carboxyl groups of the polyalkenoic acid were measured to have bonded to hydroxyapatite. XPS of hydroxyapatite also disclosed its surface to be enriched in calcium and decreased in phosphorus, indicating that phosphorus was extracted at a relatively higher rate than calcium. Analysis of these data supports the mechanism in which carboxylic groups replace phosphate ions (PO4(3-)) of the substrate and make ionic bonds with calcium ions of hydroxyapatite. It is concluded that an ultrathin layer of a polyalkenoic acid can be prepared on a hydroxyapatite-based substrate by careful removal of non-bonded molecules. With this specimen-processing method, XPS not only provided direct evidence of chemical bonding, but also enabled us to quantify the percentages of functional groups of the polyalkenoic acids that bonded to calcium of hydroxyapatite.

Binding Sites↗

Increase in rapid defibrillation programmes after publication of guidelines.

OBJECTIVE: . To monitor the implementation of in-hospital resuscitation strategies including (i) rapid defibrillation programmes, (ii) the use of amiodarone for prolonged ventricular fibrillation, and (iii) uniform data collection on resuscitation, all recommended by international guidelines published in 2000 and by Finnish national resuscitation guidelines published in 2002. DESIGN: In 2004, a questionnaire was sent to the chief anaesthesiologists. The results were compared with those of a previous study performed using similar methods in 2000. SETTING: All public hospitals that provide anaesthetic services in Finland. MAIN OUTCOME MEASURES: Number of hospitals allowing nurses to perform defibrillation without the presence of physician and number of hospitals using amiodarone as primary antiarrhythmic drug in resuscitation and performing uniform data collection. RESULTS: The response rate was 95% (52/55). The proportion of the hospitals with rapid defibrillation programmes on general wards had increased from 15% in 2000 to 67% in 2004, and most (79%) hospitals had obtained automated external defibrillators. Amiodarone was used in 88% of the hospitals. Data collection of resuscitation attempts using definitions provided in the Utstein guidelines was performed only in 22% of the hospitals. CONCLUSIONS: Rapid defibrillation programmes have markedly increased, and the use of amiodarone has been established in Finnish hospitals since the publication of the international and the national resuscitation guidelines.

Advance Directives↗

Advance care planning in nursing homes: pre- and post-Patient Self-Determination Act.

OBJECTIVES: (1) To identify resident and organizational factors associated with the use of advance care plans pre- and post-implementation of the Patient Self-Determination Act (PSDA), and (2) to identify changes (pre- and post-implementation of the PSDA) in the relationship between these factors and the use of advance care plans. DESIGN: Complex, multistage cluster sampling. SETTING: Ten states were selected for variation in geographic location, Medicaid reimbursement rate, and average staffing patterns. Participants were 4,215 nursing home residents in 268 facilities. PRINCIPAL FINDINGS: Seventeen resident and organizational factors were associated with the use of do-not-resuscitate (DNR) orders in 1990, and 12 resident and organizational factors were associated with their use in 1993. Five factors showed a significant change from 1990 to 1993: activities of daily living (ADL) scores, race, cognitive performance scale (CPS) scores, full-time equivalent (FTE) nurse aides per resident, and bed size. Ten resident and organizational factors were associated with use of do-not-hospitalize (DNH) orders in 1990 and six resident and organizational factors were associated with DNH orders in 1993. Four factors showed a significant change from 1990 to 1993: legal guardian, FTE LPNs per resident, Medicaid census, and forprofit ownership. Five resident and organizational factors were associated with the use of living wills in 1990 and seven resident and organizational factors were associated with the use of living wills in 1993. Four factors showed a significant change from 1990 to 1993: ADL scores, race, length of stay, and for-profit ownership. CONCLUSION: The results indicate that the PSDA may have been successful in increasing the use of advance care plans and in changing the types of residents who use advance care plans. However, they also show that the use of advance care plans is associated with organizational characteristics, indicating that some types of facilities may be more willing and able to address the PSDA mandates.

Activities of Daily Living↗

Adherence of low-income women to cancer screening recommendations.

BACKGROUND: African-American and low-income women have lower rates of cancer screening and higher rates of late-stage disease than do their counterparts. OBJECTIVE: To examine the effects of primary care, health insurance, and HMO participation on adherence to regular breast, cervical, and colorectal cancer screening. DESIGN: Random-digit-dial and targeted household telephone survey of a population-based sample. SETTING: Washington, D.C. census tracts with > or =30% of households below 200% of federal poverty threshold. PARTICIPANTS: Included in the survey were 1,205 women over age 40, 82% of whom were African American. MAIN OUTCOME MEASURES: Adherence was defined as reported receipt of the last 2 screening tests within recommended intervals for age. RESULTS: The survey completion rate was 85%. Overall, 75% of respondents were adherent to regular Pap smears, 66% to clinical breast exams, 65% to mammography, and 29% to fecal occult blood test recommendations. Continuity with a single primary care practitioner, comprehensive service delivery, and higher patient satisfaction with the relationships with primary care practitioners were associated with higher adherence across the 4 screening tests, after considering other factors. Coordination of care also was associated with screening adherence for women age 65 and over, but not for the younger women. Compared with counterparts in non-HMO plans, women enrolled in health maintenance organizations were also more likely to be adherent to regular screening (e.g., Pap, odds ratio [OR] 1.89, 95% confidence interval [CI] 1.11 to 3.17; clinical breast exam, OR 2.04, 95% CI 1.21 to 3.44; mammogram, OR 1.95, 95% CI 1.15 to 3.31; fecal occult blood test, OR 1.70, 95% CI 1.01 to 2.83.) CONCLUSIONS: Organizing healthcare services to promote continuity with a specific primary care clinician, a comprehensive array of services available at the primary care delivery site, coordination among providers, and better patient-practitioner relationships are likely to improve inner-city, low-income women's adherence to cancer screening recommendations.

Adult↗

Role of rapid sequence induction for intubation in the prehospital setting: helpful or harmful?

Use of rapid sequence induction for intubation was introduced to the prehospital environment in the hope of enhancing patient outcome by improving early definitive airway management. Varying success has been achieved in both air and ground transport emergency medical services systems, but concern persists about the potential to cause patients harm. Individual emergency medical services systems must determine the need for rapid sequence induction for intubation and their ability to implement a rapid sequence induction for intubation protocol effectively with minimal adverse events. Therefore, the value of rapid sequence induction for intubation is dependent on each emergency medical services system design in their ability to establish personnel requirements and ongoing training, expertise in airway management skills, medical direction and supervision, and a quality assurance program. If these principles are strictly adhered to, rapid sequence induction for intubation may be safely used as an advanced airway management technique in the prehospital setting.

Adult↗

Percutaneous displacement of calyceal calculi. Adjunct to percutaneous nephrolithotripsy.

Two cases are presented of successful percutaneous removal of adherent calyceal calculi which were initially inaccessible for removal with the rigid nephroscope. In each case, the calculus was dislodged from the calyceal wall by the direct force of a needle introduced percutaneously against the stone. In the first patient, a wedged calyceal calculus was dislodged percutaneously and manipulated into the renal pelvis the day before extraction using the rigid nephroscope. In the second patient, the adherent calculus was dislodged percutaneously at the same time of endoscopic removal. In both patients, prior carbon dioxide pyelography was helpful in determining the optimum direction for advancing the needle against the calculus. Percutaneous stone dislodgement technique is a useful adjunct to percutaneous nephroscopic removal of the difficult calyceal calculus.

Endoscopy↗

Defining and assessing adherence to oral antipsychotics: a review of the literature.

The definition and assessment of adherence vary considerably across studies. Increasing consensus regarding these issues is necessary to improve our understanding of adherence and the development of more effective treatments. We review the adherence literature over the past 3 decades to explore the definitions and assessment of adherence to oral antipsychotics in schizophrenia patients. A total of 161 articles were identified through MEDLINE and PsycINFO searches. The most common method used to assess adherence was the report of the patient. Subjective and indirect methods including self-report, provider report, significant other report, and chart review were the only methods used to assess adherence in over 77% (124/161) of studies reviewed. Direct or objective measures including pill count, blood or urine analysis, electronic monitoring, and electronic refill records were used in less than 23% (37/161) of studies. Even in studies utilizing the same methodology to assess adherence, definitions of an adherent subject varied broadly from agreeing to take any medication to taking at least 90% of medication as prescribed. We make suggestions for consensus development, including the use of recommended terminology for different subject samples, the increased use of objective or direct measures, and the inclusion in all studies of an estimate of the percentage of medication taken as prescribed in an effort to increase comparability among studies. The suggestions are designed to advance the field with respect to both understanding predictors of adherence and developing interventions to improve adherence to oral antipsychotic medications.

Antipsychotic Agents↗

Treatment decision-making at the end of life: a survey of Australian doctors' attitudes towards patients' wishes and euthanasia.

OBJECTIVE: To examine factors that influence medical practitioners' treatment decisions for patients with life-threatening or terminal illnesses. DESIGN: Postal survey, conducted between September and November 1995, of a self-administered questionnaire, describing four clinical case scenarios, to a random sample of 2172 Australian doctors in all States and Territories. Respondents were asked to prescribe treatment for the patients described in the scenarios. Patients' characteristics varied in terms of mental competence, illness severity, prognosis, the presence of advance directives, request for assisted death, and sociodemographic factors. The respondents' sociodemographic and medical training characteristics were also obtained. SETTING: Random national sample of all active medical practitioners. PARTICIPANTS: Hospital trainees, general practitioners, physicians, palliative care practitioners and surgeons were surveyed. A response rate of 73% was achieved. MAIN OUTCOME MEASURES: Frequency of prescription of supportive, acute or intensive treatment for patients in the four clinical scenarios based on respondents' sex, religion, medical training and country of medical degree. RESULTS: Three main findings were: (i) doctors did not make consistent decisions, but their decisions varied systematically by sociodemographic and medical training factors; (ii) doctors generally adhered to patient and family wishes when these were known; (iii) doctors did not generally adhere to a patient's request for assisted death. CONCLUSION: Treatment provided is significantly determined by the individual characteristics of the doctor and not solely by the nature of the medical problem. Participation in the informed-consent process and in the preparation of advance health care directives would enable practitioners to be familiar with patient and family wishes and could reduce variations of treatment related to sociodemographic and medical training factors. Stronger empirical data on the way that treatment decisions are made could provide the basis for an informed euthanasia policy.

Attitude of Health Personnel↗