What supports nutritional support?
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Acute Kidney Injury↗
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Nutritional and treatment-related characteristics of pediatric oncology patients referred or not referred for nutritional support.
Nutritional problems often result from malignancies and aggressive multimodal treatment. Early identification of reliable risk factors associated with malnutrition and need for nutritional support is necessary for development of preventative approaches. Nutritional and treatment-related characteristics were examined for 173 pediatric oncology patients referred for nutritional support and a comparison sample of 43 patients matched on treatment protocol and/or diagnosis who had never been referred for nutritional support. Abnormally low serum albumin levels, poor oral intake, mucositis, prior radiation therapy, and increased gastrointestinal toxicity were significantly more frequent among referred than non-referred patients. A discriminant function analysis indicated that poor oral intake was the single best predictor of need for nutritional support. Patients with solid tumors were more nutritionally depleted at the time of referral; all bone marrow transplant patients received nutritional support. Patients with central nervous system (CNS) tumors required nutritional support for longer time periods. We conclude that routine documentation of poor oral intake (i.e., observation of change in a child's eating patterns) is the most reliable indicator of children who eventually require nutritional support and who may benefit from interventions that could delay or prevent nutritional problems. Prophylactic interventions should be tailored to meet the specific needs of individual diagnostic groups.
Adolescent↗
What is optimal nutritional support?
Nutritional support of the seriously ill patient has evolved with time and reflects new developments in the field of critical care. Current information suggests that optimal nutritional support can be provided by supplying at least 80% of energy requirements with at least 70% of the energy given as carbohydrate and the remaining 30% or less administered as fat (with > or = 3% of energy requirements as essential fatty acids). The caloric load may be reduced to 50% of requirements if growth factors (e.g., growth hormone) are utilized and the patient has adequate fat stores. Protein should be given as 1.5 g/kg/day; more catabolic patients, such as patients with burn injury, should receive 2 g/kg/day. All protein or amino acid feeding should include glutamine. There is an increased need for vitamins (especially A, C, and E) and minerals (zinc, selenium, and magnesium). The preferred route of feeding should be enteral, followed by enteral plus supplemental parenteral nutrition. If the gastrointestinal tract cannot be used, parenteral nutrition should be given. Nutrients should be administered early in the catabolic course, especially glucose, sodium, potassium, vitamins, and minerals. Over time (approximately 7 days) amino acids should be added and approximately 50% of caloric support should be provided. Finally, full nutritional support should be provided (by 7 to 10 days) if the catabolic course is expected to continue.
Amino Acids↗
Task Force on Nutrition Support in AIDS. Guidelines for nutrition support in AIDS.
The nutritional status of people with AIDS is challenged throughout the progression of the illness by the manifestation of symptoms such as malabsorption, diarrhea, candidiasis, and fever. As yet, there is no widely accepted method for nutritional management of AIDS. Therefore, a Task Force on Nutrition Support in AIDS was formed to develop practical recommendations for those involved in the management of this patient population. The "Guidelines for Nutrition Support in AIDS" are aimed at improving nutritional status, alleviating symptoms, and enhancing quality of life at each stage of the disease. The Task Force concluded that optimizing the nutritional status of people with AIDs, through aggressive nutritional therapy, is essential in overall medical management; nutrition intervention and education is indicated as early in the disease progression as HIV diagnosis; thorough nutritional assessment and regular monitoring is advocated; and enteral feedings should be considered the first line of nutrition support therapy.
Acquired Immunodeficiency Syndrome↗
Effect of nutritional support on routine nutrition assessment parameters and body composition in intensive care unit patients.
OBJECTIVES: To determine whether routine nutrition assessment parameters and body composition change after nutritional support in intensive care unit (ICU) patients and whether the changes, if any, are related to cumulative energy and fluid balances. DESIGN: A prospective study. SETTING: A university teaching hospital. PATIENTS: Forty-five mechanically ventilated medical and surgical patients admitted to the ICU who received nutritional support for 7 days (group 1) and 9 patients of this group who received nutritional support for 3 weeks or longer (group 2). INTERVENTIONS: Enteral and parenteral nutritional support prescribed on the basis of metabolic cart measurements of energy expenditure. OUTCOME MEASURES: Routine nutrition assessment, including determinations of weight, serum albumin and prealbumin, and lymphocyte count and body composition, including measurements of body cell mass, extracellular fluid and body fat, determined from bioelectric impedance analysis. RESULTS: In group 1 patients, weight, albumin and prealbumin levels, and extracellular mass changed, but there was no change in lymphocyte count, body cell mass or body fat. Changes in weight and extracellular mass were slightly related to cumulative fluid balance; changes in albumin and prealbumin levels were not related to cumulative energy or fluid balance. The findings were similar for group 2 patients. CONCLUSIONS: Changes in routine nutrition assessment parameters and body composition are slightly affected by fluid balance but not by energy balance; thus, they are not specific indicators of the adequacy of nutritional support in ICU patients. Improved nutrition assessment parameters are required to better monitor the response to nutritional support in critically ill patients.
Body Composition↗
Ethical issues in nutritional support nursing. Withholding and withdrawing nutritional support.
A new and controversial debate in bioethics concerns the question, "Is it ever acceptable to withhold or withdraw specialized nutritional support from the dying adult patient?" In the opinion of many, the answer to this question is yes, but for only a very small number of patients. Provision of nutrition through artificial means is an invasive medical intervention. As such, procedures for supplying nutritional support impose burdens as well as provide benefits and may, under certain circumstances, be foregone. However, the needs of the vast majority of dying patients will best be served by providing specialized nutritional support.
Adult↗
Guidelines for nutrition support in AIDS. Task Force on Nutrition Support in AIDS.
The nutritional status of people with AIDS is challenged throughout the progression of the illness by the manifestation of symptoms such as malabsorption, diarrhea, candidiasis, and fever. As yet, there is no widely accepted method for nutritional management of AIDS. Therefore, a Task Force on Nutrition Support in AIDS was formed to develop practical recommendations for those involved in the management of this patient population. The "Guidelines for Nutrition Support in AIDS" are aimed at improving nutritional status, alleviating symptoms, and enhancing quality of life at each stage of the disease. The Task Force concluded that optimizing the nutritional status of people with AIDS, through aggressive nutritional therapy, is essential in overall medical management; nutrition intervention and education is indicated as early in the disease progression as HIV diagnosis; thorough nutritional assessment and regular monitoring is advocated; and enteral feedings should be considered the first line of nutrition support therapy.
Acquired Immunodeficiency Syndrome↗
Staffing patterns in hospital clinical dietetics and nutrition support: a survey conducted by the Dietitians in Nutrition Support dietetic practice group.
The Dietitians in Nutrition Support dietetic practice group of The American Dietetic Association administered a questionnaire to evaluate changes in nutrition support services provided to hospitalized patients and home patients in 1989 and compared the results with results of a survey administered in 1986. The 1986 survey documented an increase in tube feeding to inpatients during 1984 to 1986 and greater dietitian staffing in tertiary care hospitals than in primary care hospitals and in larger hospitals in 1986. The 1989 questionnaire was mailed to clinical nutrition managers from a nationwide random sample of 1,000 hospitals from American Hospital Association members; 271 responses were received. Full-time equivalent (FTE) registered dietitians (RDs)--including clinical RDs, nutrition support service RDs, and clinical nutrition managers--decreased 11% from 1986 to 1989. FTE dietetic technicians decreased 22%. The number of FTE nutrition support service RDs and clinical nutrition managers decreased significantly (P less than .05). The mean number of FTE clinical dietitians per 100 beds decreased from 1.4 to 1.0 from 1986 to 1989. These decreases in dietetics staffing occurred despite an overall increase in total hospital FTE staff of 2.9%. Reported daily provision of nutrition support modalities to inpatients was 3.5% for parenteral nutrition, 4.9% for enteral tube feeding, and 9.6% for oral supplements. Decreased dietetics staffing was accompanied by other factors that negatively affect productivity (and therefore ability to provide adequate patient care), including inadequate delegation of technical tasks to dietetic technicians, limited availability of secretarial and computer support, and minimal provision of pocket pagers. These trends may be evidence of inadequacy of dietetics staffing to meet the needs of the US population for nutrition care.
Dietary Services↗
DRGs and specialized nutrition support. Prospective payment and nutritional support: the need for reform.
The Medicare Prospective Payment System does not recognize the use of parenteral and enteral nutrition services as an explicit factor to be used in determination of DRG payment rates. When the DRGs were originally created, the use of parenteral and enteral nutrition services (PENS) was not coded in discharge data sets. As a result, it was impossible to determine whether patients who received PENS were more expensive to treat. Data we have collected indicate that patients who receive PENS tend to have high hospital costs--costs that often exceed the DRG payments established by the Health Care Financing Administration (HCFA). The potential for a hospital to incur a financial loss as a result of treating patients who require PENS could make such patients less attractive to hospitals and thus could adversely affect patients requiring these services. In order to minimize this possibility, we suggest several alternative modifications to the DRG payment system. The modifications would provide higher payments for patients who require PENS, thereby reducing the possibility of discrimination against these patients. By readjusting the DRG prices for patients who do not require PENS, the entire payment modification can be made budget-neutral.
Costs and Cost Analysis↗
Gut mucosal nutritional support--enteral nutrition as primary therapy after multiple system trauma.
Over the past 10 years, several clinical and experimental studies report the potential benefit of enteral nutrition as primary therapy after multiple system trauma. In this study, 98 patients sustaining blunt and penetrating trauma were randomised to receive either enteral or parenteral feeding for 15 days. There were significantly fewer infectious complications in patients randomised to receive enteral feeding with particular benefit shown in the most severely injured patients. Serum protein concentrations correlated with the clinical outcome with an increase in constitutive protein and decrease in acute phase protein concentrations occurring in the enteral group through a decrease in septic complications and possible direct hepatic 'reprioritisation'. Enteral feeding serves as a primary therapy affecting the outcome of critically ill patients.
Adult↗
Gut Mucosal Nutritional Support--Enteral Nutrition as Primary Therapy? Proceedings of the Abbott Ross Research Conference. Vevey, Switzerland , 28-30 June 1992.
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Bacterial Infections↗
The outcome of surgical treatment as related to the response of the serum albumin level to nutritional support.
Selected nutritional parameters were studied in critically ill surgical patients maintained by parenteral-enteral nutritional support to delineate the nutritional deficits and relate the course of these patients to the nutritional status. Twenty-one of 34 patients had albumin levels of less than 3.5 grams per cent upon admission, and the albumin levels decreased even further after admission. The patients with traumatic injuries had the greatest loss in body weight and urinary nitrogen excretion. Although such large numbers of these patients had depressed serum albumin levels, the survivors were able to increase the serum albumin level to 3.5 grams per cent with intense nutritional support, whereas those not surviving such support were not able to increase the serum albumin level. The response of the serum albumin level to nutritional support is a good indicator as to the same factors preventing survival and effective use of the nutritional elements.
Enteral Nutrition↗
Nutritional support team vs nonteam management of enteral nutritional support in a Veterans Administration Medical Center teaching hospital.
One hundred one patients receiving enteral nutritional support (ENS) by tube feeding during a 5-month period were prospectively studied. Fifty patients were managed by a nutritional support team (T) and 51 patients were managed by the nonteam approach (NT). Demographics, primary diagnosis, chronic diseases, medical service, calculated basal energy expenditure (BEE), duration of ENS, and final patient disposition were recorded. Enteral formula, formula modifications, results of laboratory tests and calories delivered were obtained daily. Results of nitrogen balance studies were obtained when available and each patient was monitored for pulmonary, mechanical, gastrointestinal, and metabolic abnormalities. No significant difference was found between the team and nonteam managed groups in regard to total feeding days, mean feeding days per patient, total laboratory tests, laboratory tests per patient or laboratory tests per day. Significantly more team patients attained 1.2 times BEE (T = 47, NT = 38, p less than 0.05) for a significantly greater period of time (T = 398 days, NT = 281 days, p less than 0.05). Significantly more team patients achieved a measured positive nitrogen balance than nonteam patients (T = 42, NT = 1, p less than 0.05). Formula modifications to correct nutritional or metabolic aberrations were made in 15 (30%) team patients and five (9.8%) nonteam patients (p less than 0.05). The number of individual abnormalities (pulmonary, mechanical, gastrointestinal, and metabolic), as well as total abnormalities occurring in the team-managed group, was significantly lower than in the nonteam managed group (160 vs 695, p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
Adult↗
Electrolyte and drug management in nutritional support.
Interventional nutritional support is a complex therapeutic entity. Metabolic complications associated with this therapy are numerous. It is imperative to monitor electrolytes very closely during parenteral and enteral nutritional support and to correct deficiencies or to compensate for increases in serum concentrations when appropriate. It is also critical to observe patients receiving drug therapy to avoid untoward drug-nutrient interactions and to be able to compensate for adverse metabolic effects of medications. To achieve successful nutritional support, careful monitoring of electrolytes and drugs is necessary.
Critical Illness↗
Nutrition support practice: a study of factors inherent in the delivery of nutrition support services.
The purpose of this study was to determine the degree of intercorrelation among dietitian, physician, and team nutrition support functions. Eight hundred and eighty dietitians and physicians were asked to respond to a questionnaire describing nutrition support functions as reported in the literature and validated by a panel of nutrition support physicians and dietitians. Two hundred and fifty-four completed questionnaires were included in the study, 84 from physicians and 170 from dietitians. Intercorrelations among function statements were subjected to factor analysis. The magnitude and consistency of factor loadings suggest that nutrition support is not perceived as independent components, but as a comprehensive pattern or structure. However, there was one important difference in perception. The sample tended to have an "enteral" orientation to the dietitian role and a "parenteral" orientation to the physician and team roles. The data support the contention that all members of nutrition support teams need a common core of knowledge and a set of highly developed process skills which can best be attained through an integrated, rather than segmented, approach to team training.
Dietetics↗
Taking your show on the road: the concept of a mobile nutrition support team.
Nutrition support teams (NSTs) have been in existence since the 1970s and remain an enduring concept of how nutrition support should be provided. The basic model of a NST who serves one institution has changed little over the past two decades. With the expansion of managed care, development of integrated hospital networks, decreasing inpatient census, and downsizing in hospital staff, a new model for the NST that anticipates and addresses these changes in the healthcare environment is needed. This article presents a model for a NST who is mobile and can function within an integrated system to improve the utilization, management, and quality of specialized nutrition therapy.
Humans↗
[Clinical and experimental study of 236 ED nutritional supportive therapy and inosine nutrition protection in postoperative gastric cancer patients].
To confirm the effect of nutritional supportive therapy on cancer patients, 52 postoperative gastric cancer patients were selected and given 236 ED as nutritional therapy. Body weight and nutritional index before and after operation, complication, duration in hospital were compared in the experimental group and control. The results showed that there was a significant difference between the two groups. When inosine was given with 236 ED to 30 mice bearing S 180 sarcoma, tumor weight in the treated mice was less than that of the control; level of amino-acids which can stimulate tumor growth decreased whereas c-AMP content in the tumor tissue increased. Based on the above results, a rational nutritional support protocol for tumor patients and a pathomorphological classification of tumor in high, moderate and low nutritional status are proposed.
Amino Acids↗
Basic principles of intravenous nutritional support.
Parenteral nutrition has been one of the major advances in clinical medicine in the 20th century. By maintaining or re-establishing optimal nutritional status, one can help to ensure an optimal response to appropriate medical or surgical management of the primary disease process. In order to plan an appropriate nutritional regimen, the health-care provider must be equipped to pursue the following thought processes: Understand the consequences of malnutrition. Identify the patient who may benefit from nutritional support. Assess the underlying clinical and metabolic setting. Assess the current nutritional status. Formulate a goal of nutritional intervention--a therapeutic plan. Determine the route and method of administration; the quantity and source of energy and nitrogen; and requirements for fluid, electrolytes, minerals, vitamins, and trace elements. Monitor the patient. Evaluate the efficacy and determine the duration of therapy.
Catheterization↗