Nutrition and Hydration in the Terminal Patient

Tube feeding in patients with advanced dementia: knowledge and practice of speech-language pathologists

CONTEXT

Speech-language pathologists (SLP) are often called on to evaluate eating difficulties in patients with dementia.

OBJECTIVES

To assess factors associated with SLPs' knowledge and recommendations about feeding tubes in patients with advanced dementia.

METHODS

A mail survey was administered to a probability sample of 1500 SLPs from the American Speech-Language-Hearing Association mailing list; 731 usable surveys were received (response rate=53.7%). Self-perceived preparedness, knowledge, and care recommendations were measured. Knowledge items were scored as "evidence based" or not according to the best evidence in the literature.

RESULTS

Only 42.1% of SLP respondents felt moderately/well prepared to manage dysphagia. Only 22.0% of respondents recognized that tube feeding is unlikely to reduce risk of aspiration pneumonia whereas a slight majority understood that tube feeding would not likely prevent an uncomfortable death (50.2%), improve functional status (54.5%), or enhance quality of life (QOL) (63.2%). A majority (70.0%) was willing to consider recommending oral feeding despite high risk of aspiration. Logistic regression analyses indicated that those willing to consider this recommendation gave the most evidence-based responses to knowledge questions about tube feeding outcomes: aspiration pneumonia (odds ratio [OR]=1.75, 95% confidence interval [CI]=1.07-2.87), functional status (OR=1.43, 95% CI=1.0-2.06), QOL (OR=2.19, 95% CI=1.52-3.17), and prevent uncomfortable death (OR=1.97, 95% CI=1.37-2.88). Logistic regression analyses also indicated that those with more experience evaluating patients with dementia gave the most evidence-based response to two knowledge questions: aspiration pneumonia (OR=2.64, 95% CI=1.48-4.72) and prevent uncomfortable death (OR=2.03, 95% CI=1.35-3.05) whereas those with higher self-perceived preparedness in managing dysphagia in dementia had less knowledge in two areas: aspiration pneumonia (OR=0.57, 95% CI=0.38-0.84) and QOL (OR=0.72, 95% CI=0.51-1.01).

CONCLUSION

Misperceptions among SLPs about tube feeding in advanced dementia are common, especially in relation to risk of aspiration. Knowledge about tube feeding outcomes was positively associated with experience and inversely associated with self-perceived higher preparedness in evaluating patients with dementia.

Tube Feeding in Advanced Dementia: An Exploratory Survey of Physician Knowledge

The administration of artificial nutrition by means of a percutaneous endoscopic gastrostomy (PEG) tube in older persons in the advanced stages of dementia is commonplace, yet the treatment is associated with significant treatment burdens and unclear benefits in this population. In addition, there is wide and unexplained geographic variability in the use of PEG in advanced dementia, which may stem partly from physicians’ lack of understanding about its indications, risks, benefits, and effect on quality of life in advanced dementia. This study was a mail survey undertaken to assess physician knowledge regarding tube feeding in advanced dementia and explore whether certification in geriatrics or other physician characteristics are associated with physician knowledge. To assess knowledge about tube feeding, we asked participants to rate the importance of commonly cited, but non–evidence based, indications for tube feeding in advanced dementia, including recurrent aspiration pneumonia, abnormal swallowing evaluations, abnormal nutritional parameters, preventing an uncomfortable death, and others. Discrepancies between physician knowledge and current evidence regarding tube feeding in advanced dementia were found, indicating a need for improved education of primary care physicians in order to ultimately provide better end-of-life care for patients with advanced dementia.

PEGs and Ethics Revisited

Percutaneous endoscopic gastrostomy is an accepted technique for long-term enteral feeding. The demand of percutaneous endoscopic gastrostomy placement continues to increase because of the increasing numbers of vulnerable patients with chronic diseases coupled with the relative ease of insertion, and societal ambivalence about such treatment. Despite the demand and improvements in placement technique, the issue of tube feeding in vulnerable patients remains an ethical minefield, leading to considerable discussion and debate. This contentious area of clinical ethics is further complicated by the recent papal allocution regarding artificial nutrition and hydration. The case of Terri Schiavo should serve as a timely reminder of those problematic clinical and ethical issues inherent in percutaneous endoscopic gastrostomy placement and feeding in vulnerable patients.

Artificial hydration and nutrition in advanced Alzheimer's disease: facilitating family decision-making

BACKGROUND

As Alzheimer's disease progresses to its final stages of dementia and dysphagia, whereby patients can no longer swallow food and fluids, families suffer with difficult decisions regarding initiation of artificial hydration and nutrition.

AIMS AND OBJECTIVES

Through the use of a hypothetical family scenario, this theoretical article presents the ethical principals of beneficence and autonomy as a framework for use by nurses to hear and inform family decision-makers of the physiology of death in the advanced stages of Alzheimer's and examines the current literature related to benefits and burdens of artificial hydration and nutrition.

CONCLUSIONS

While a beneficial consideration, ethical principles are critiqued for their inability to provide an absolute answer and relieve family suffering in this clinical situation.

RELEVANCE TO CLINICAL PRACTICE

A nurse-lead consensus building process is proposed to guide family decision-making regarding artificial hydration and nutrition with advanced Alzheimer's disease.

Tube feed or not tube feed?

Tube feeding should always be considered relative to patient goals. Physicians should be prepared to discuss tube feeding as an option bearing in mind what evidence (or lack thereof) exists that tube feeding will help reach such goals.

Dehydration in terminally ill patients. Perceptions of long-term care nurses

Dehydration in terminally ill patients has been found to be beneficial and to improve the quality of an individual's last few days of life. As the population continues to age, more individuals are cared for in long-term care (LTC) facilities, where they tend to spend their final days. Previous studies have examined the perceptions and attitudes of hospice nurses, acute care nurses, physicians, and caregivers; however, no such studies have evaluated LTC nurses. It is necessary to know LTC nurses' perceptions and attitudes so they can be offered the education needed to provide the best quality care for terminally ill patients. The purpose of this study was to describe how nurses working with elderly individuals in LTC perceived terminal dehydration (TD). Long-term care nurses (N = 64) were surveyed using a modified version of an established 10-item instrument. Significant findings included a positive correlation between age and positive perception of TD--as nurse age increaSed, a more positive view of TD was expressed. Also, the number of deaths witnessed was positively associated with the belief that TD was beneficial. In general, responses to the individual survey items were quite varied, representing inconsistencies in attitudes and care of dying LTC patients. The results of this descriptive study indicate the debate concerning the benefits of TD continues and remains an important topic for the LTC nurse.

A prospective evaluation of outcome in patients referred for PEG placement

BACKGROUND

PEG feeding is not recommended for short-term use because the 30-day mortality after PEG placement is substantial. The primary aim of this study was to prospectively identify factors predictive of survival in patients referred for PEG placement.

METHODS

All patients for whom gastroenterology consultation was sought for feeding PEG placement were prospectively studied. Demographic data, Charlson comorbidity index, and functional status were recorded at entry. After PEG placement, patients were followed for up to 12 months.

RESULTS

Of the 67 patients for whom consultation was requested, 58 were eligible for the study and 50 underwent PEG placement. The 7-day and 30-day mortality rates in the PEG placement group were 4% and 20%, respectively. In multivariate analysis, only the Charlson index > or =4 was associated with decreased survival time (relative hazard = 2.9: 95% CI [1.20, 7.21], p = 0.019). Median survival in patients with Charlson comorbidity index > or =4 was significantly shorter than that in patients with Charlson index < 4 (p = 0.013).

CONCLUSIONS

A Charlson comorbidity index > or =4 was significantly associated with shorter patient survival after initial consultation. Careful consideration of predictive factors of survival may improve patient selection for feeding PEG placement.

Refusing artificial nutrition and hydration: does statutory law send the wrong message?

Ethical consensus and appellate court decisions view artificial nutrition and hydration (ANH) as medical treatment that can be refused like other treatments. However, advance directive statutes may produce obstacles for refusal of ANH, as distinct from other life-sustaining treatments, in patients who lack capacity. This paper reviews state statutes and appellate case law regarding medical decision making for patients who lack decisional capacity. Twenty states (39%) have one or more explicit statutory provisions delineating a separate and more stringent standard for ANH refusal. These standards include higher evidentiary standard; requirement for specific preauthorization, qualifying medical conditions, second medical opinion, or judicial review; refusal not permitted; refusal not permitted if death would result from "starvation" or "dehydration"; and previous law with higher standard applies to old documents. In 11 of these states and in eight others, statutory law contains language that could be misinterpreted, implying, but not rising to, an explicitly higher standard. Four appellate decisions departed from the judicial consensus that ANH can be refused like other treatments, but subsequent court decisions or legislative enactments reduced or eliminated their impact. Legislators and the courts should ask whether higher standards for ANH refusal are appropriate in light of case law authority that ANH should not be treated differently and in light of statutory language that preserves those common law rights. These higher standards may make it more difficult in certain states to refuse ANH for patients who lack capacity or place a burden on good practice by making providers fearful of the law.

Ethical and legal issues in palliative care

As palliative care emerges as a respected and important component of contemporary health care, ethical issues will arise that confront and contest the provision of medical care. The basic principles of medical ethics, embodied in beneficence, nonmaleficence, autonomy, and justice, guide primary care physicians in dealing with dying patients. This article will discuss the basic ethical principles and the principle of double effect, decision-making capacity, advance directives, withholding and withdrawing life-sustaining therapy, futility, artificial nutrition and hydration, do-not-resuscitate orders, and physician-assisted suicide and euthanasia.

Surrogate decision makers' attitudes towards tube feeding in the nursing home

In the nursing home, a widely accepted medical practice is to recommend the initiation of long term tube feeding in residents with eating difficulties. However, frequently the nursing home resident has dementia, lacks decision-making capacity, and has no advance directives to guide the physician and the family member(s). Therefore, the family member or another surrogate decision maker has to make the difficult decision of whether or not to consent to the placement of a feeding tube. We surveyed 50 English speaking surrogates of nursing home residents who were on a feeding tube for at least 6 months. Each surrogate was contacted by telephone and was administered a 16-item structured questionnaire. Statistical analyses included frequency distributions, and the Wilcoxon signed rank test for two related samples. Most surrogates rated the residents' quality of life as poor or extremely poor. Yet, 78% of the surrogates perceived tube feeding to be beneficial, 62% would repeat their initial decision to initiate tube feeding, and 68% would not consider removal of the feeding tube. Their leading concerns were medical complications, tube feeding's impact on each resident's quality of life, and adequacy of nursing care. The surrogates were satisfied with their initial decision for the placement of a feeding tube despite their perception that there was no improvement in the quality of life of the residents. The surrogates may have viewed tube feeding as a life prolonging measure.

State practice variations in the use of tube feeding for nursing home residents with severe cognitive impairment

OBJECTIVE

To describe the differences in prevalence of tube feeding among states and to examine possible factors that could explain practice patterns.

DESIGN

Analysis of random samples from an interstate data bank comprised of the Minimum Data Set (MDS), a standardized, federally mandated assessment instrument for nursing home residents.

SETTING

Nursing homes in four states participating in a federal demonstration project of case mix payment plus five others with existing MDS data systems.

PARTICIPANTS

Individuals 65 years of age and older (N = 57,029), who had very severe cognitive impairment, including total dependence in eating, and who resided in nursing homes during 1994, the most recent year for which uniform data were available.

MEASUREMENTS

State-by-state differences in prevalence of tube feeding, controlling for demographic and clinical variables.

RESULTS

The prevalence of tube feeding ranged from 7.5% in Maine to 40.1% in Mississippi. Each state had a significantly elevated prevalence of tube feeding compared with Maine, with odds ratios (ORs) ranging from 1.50 to 5.83, P < .001. Specific directives not to provide tube feeding (OR 0.41, P < .001), and white race (OR 0.45, P < .001) were strongly and negatively associated with tube feeding.

CONCLUSIONS

Wide regional variations exist in the use of tube feeding of nursing home residents with equivalent impairments. Sociodemographic factors could be important, but more study is needed to determine whether physician characteristics, such as race, attitudes, or knowledge, have an impact and to clarify medical standards for the use of tube feeding in this population.

Tube feeding in nursing home residents with severe and irreversible cognitive impairment

OBJECTIVES

This study was undertaken to determine the degree to which selected demographic and clinical variables are associated with the use of feeding tubes in older nursing home residents with very severe and irreversible cognitive impairment.

DESIGN

Descriptive, cross-sectional, population-based study.

SETTING

Kansas nursing homes from January 1, 1994, through June 30, 1998.

PARTICIPANTS

A total of 4,997 nursing home residents with very severe and irreversible cognitive impairment comprised the study population. Subjects were identified using data in Minimum Data Set (MDS) reports. Those who were included in the study population were over the age of 65, had two consecutive Cognitive Performance Scale scores of 6, were without evidence of significant subsequent improvement, and were not comatose.

MEASUREMENTS

The MDS data on each resident were examined to determine subjects' age, ethnicity, gender, Medicaid eligibility, disease diagnoses, physical functioning, and oral/nutritional status, including feeding tube status. The MDS was also used to determine urban versus rural location of the nursing home. The association between the use of feeding tubes and selected demographic and clinical characteristics was then examined using bivariate and logistic regression tests.

RESULTS

Of the 4,997 residents in the study population, 577 (11.6%) had feeding tubes. In multivariate analysis, feeding tube use was found to be associated with swallowing problems (odds ratio (OR) 5.4, 95% confidence interval (CI) 4.3-6.8); urban location of nursing home (OR 2.9, 95% CI 2.3-3.5); non-white race (OR 2.7, 95% CI 1.9-3.6); stroke (OR 2.5, 95% CI 2.0-3.1); and absence of dementia (OR 2.5, 95% CI 2.0-3.1). Feeding tubes were also more weakly associated with age <86 years, male gender, dependency for all activities of daily living, and absence of a living will. Feeding tube use was not found to be associated with chewing problems, Medicaid status, or resuscitation status.

CONCLUSIONS

Clinical variables including swallowing problems, stroke, and absence of dementia were strongly associated with the use of feeding tubes in this cross-sectional, population-based study. In addition, urban location of nursing home and non-white race were significantly associated with feeding tubes. These findings suggest that feeding tube decisions are strongly influenced by nonclinical factors and invite further investigation.

Nutrition and hydration in terminally ill patients: an update

Many health care professionals lack knowledge about artificial nutrition and hydration at the end of life or may hold different attitudes about artificial nutrition and hydration compared with other treatments. Consequently, they may convey inaccurate or misleading information to patients or their surrogate decision makers. An updated understanding about artificial nutrition and hydration in light of prevailing medical evidence is presented.

Nutritional issues in palliative care

OBJECTIVES

To present current information on nutritional problems and management during the palliative care period.

DATA SOURCES

Research and review articles from three computerized databases, the table of contents of an on-line nursing journal, and pursuit of pertinent references in articles reviewed.

CONCLUSIONS

Controversies continue on the most appropriate management of intake in the palliative care period from both physical and ethical perspectives.

IMPLICATIONS FOR NURSING PRACTICE

Until the literature is conclusive on the amount and type of suffering incurred by patients who are ceasing intake, nurses will need to stay current with the research literature and approach each case individually in determining appropriate care.

Palliative care and end-of-life issues

As stated, the goal of palliative care is the achievement of the best quality of life for patients and their families. It incorporates many aspects of care: providing physical comfort, psychosocial and spiritual support, and providing various services in order to achieve this goal. The skills described should be a priority in the practice of all types of medicine because the goal of palliative care is among the central tenets of the medical profession.

Refusal to eat in the elderly

Refusal to eat by the elderly, and subsequent malnutrition, occurs in both institutional and community settings. Causes include physiologic changes associated with aging, mental disorders such as dementia and depression, and medical, social, and environmental factors. Treatment approaches call for management of these causes while considering the roles that medicine, ethics, and culture play in the process.