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Lisiecka D, Kearns Á, Bonass A. A qualitative systematic review of family caregivers' experiences of artificial nutrition and hydration at home: A meta-ethnography. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2022; 57:717-736. [PMID: 35439344 PMCID: PMC9543238 DOI: 10.1111/1460-6984.12726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 03/21/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Artificial nutrition and hydration (AN&H) may be provided to individuals in the home environment, and family caregivers are often involved in the management of this intervention. This experience can have multiple consequences for families. AIMS The aim of this meta-ethnography is to explore and synthesize the personal experiences of family caregivers providing care to a person receiving home AN&H. METHODS & PROCEDURES A comprehensive search of the literature was conducted without any time limitations applied. Seven stages of meta-ethnography were followed. Public and patient involvement was incorporated into the development of the line of argument synthesis in this review. This review is reported following the eMERGe guidelines and it was registered in PROSPERO. MAIN CONTRIBUTION A total of 22 studies were included representing the experiences of 336 family caregivers. Two main themes emerged: (1) sink or swim, being thrown in at the deep end; and (2) professional support as a bedrock. The first theme represents the experiences from the very start of home AN&H when the family caregivers may be overwhelmed with the level of skills they have to acquire. With time, family caregivers perceived the benefits, but also the challenges, associated with managing home AN&H. If a person receiving home AN&H was able to continue with some oral intake, it had a positive impact on family caregivers' experiences. The second theme represents the influence of professional support on the lived experience of family caregivers managing home AN&H. This support should be individualized, comprehensive, and co-created with the family caregiver and the person receiving home AN&H. CONCLUSIONS & IMPLICATIONS This review concluded that caring for a person receiving home AN&H can be very challenging for family caregivers. Family caregivers require personalized support from a multidisciplinary team of healthcare professionals to acquire skills, competence and confidence in this new role. Speech and language therapists are important members of this multidisciplinary team because they can facilitate a continuation of oral intake as appropriate. WHAT THIS PAPER ADDS What is already known on the subject AN&H has an impact not only on the person receiving it but also on the wider family and family caregivers. Healthcare professionals have a role in supporting people living with AN&H. What this paper adds to existing knowledge This review presents a rigorous qualitative evidence synthesis that adheres fully to the eMERGe guidance for reporting of meta-ethnography. Within this meta-ethnography a current caregiver was consulted during the creation of the line of argument synthesis to provide a unique perspective to the review process. This review synthesized the current body of evidence that explores the lived experience of home AN&H (any type) for family caregivers, identifies where professional support is required and highlights current gaps. What are the potential or actual clinical implications of this work? Family caregivers require personalized support from a multidisciplinary team of healthcare professionals to adjust to living with home AN&H. This support assists people living with home AN&H in perceiving benefits and developing more positive experiences. Speech and language therapists are important members of the multidisciplinary team supporting individuals with home AN&H and their family caregivers as they can facilitate a continuation of oral intake as appropriate.
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Affiliation(s)
- Dominika Lisiecka
- Department of Nursing and Healthcare SciencesSchool of Health and Social SciencesKerry CampusMunster Technological UniversityTraleeIreland
| | - Áine Kearns
- Department of Speech & Language TherapySchool of Allied HealthUniversity of LimerickLimerickIreland
| | - Aisling Bonass
- Department of Speech & Language TherapySchool of Allied HealthUniversity of LimerickLimerickIreland
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Abate SM, Chekole YA, Estifanos MB, Abate KH, Kabthymer RH. Prevalence and outcomes of malnutrition among hospitalized COVID-19 patients: A systematic review and meta-analysis. Clin Nutr ESPEN 2021; 43:174-183. [PMID: 34024511 PMCID: PMC7968150 DOI: 10.1016/j.clnesp.2021.03.002] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 03/04/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Malnutrition is inevitable in patients with Coronavirus Disease 2019 (COVID-19) due to its effect on the gastrointestinal system, immune system, and high metabolic activity. However, the prevalence of malnutrition and its outcomes is uncertain. This study aimed to investigate the prevalence and outcome of malnutrition among patients with COVID-19. METHOD A comprehensive search was conducted in PubMed/Medline; Science direct and LILACS from December 29, 2019 to September, 2020 without language restriction. All observational studies reporting the prevalence of malnutrition were included while case reports and reviews were excluded. The data were extracted with two independent authors with a customized format and the disagreements were resolved by the other authors. The methodological quality of included studies was evaluated using a standardized critical appraisal tool. RESULTS A total of 511 articles were identified from different databases and 27 articles were selected for evaluation after the successive screening. Fourteen articles with 4187 participants were included. The pooled prevalence of malnutrition among hospitalized patients with COVID-19 was 49.11% (95% CI: 31.67 to 66.54). The odd of mortality among patients COVID-19 with malnutrition was 10 times more likely as compared to those who were well-nourished. CONCLUSION The prevalence of malnutrition and mortality associated with malnutrition among COVID-19 hospitalized patients was very high which entails a mitigating strategy by different stakeholders to prevent and manage malnutrition and its outcomes. REGISTRATION This systematic review was registered in Prospero's international prospective register of systematic reviews (CRD42020215396).
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Affiliation(s)
- Semagn Mekonnen Abate
- Department of Anesthesiology, College of Health Sciences and Medicine, Dilla University, Ethiopia.
| | - Yigrem Ali Chekole
- Department of Psychiatry, College of Health Sciences and Medicine, Dilla University, Ethiopia
| | - Mahlet Birhane Estifanos
- Department of Nutrition, School of Public Health, College of Health Sciences and Medicine, Dilla University, Ethiopia
| | - Kalkidan Hassen Abate
- Department of Nutrition and Dietetics, College of Public Health and Medical Sciences, Jimma University, Ethiopia
| | - Robel Hussen Kabthymer
- Department of Nutrition, School of Public Health, College of Health Sciences and Medicine, Dilla University, Ethiopia
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Ong CS, Yesantharao P, Brown PM, Canner JK, Brown TA, Sussman MS, Whitman GJR. Nutrition Support After Cardiac Surgery: Lessons Learned From a Prospective Study. Semin Thorac Cardiovasc Surg 2020; 33:109-115. [PMID: 32610197 DOI: 10.1053/j.semtcvs.2020.06.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 06/27/2020] [Indexed: 01/15/2023]
Abstract
The importance of postoperative nutrition support (NS) has been poorly recognized in cardiac surgery. In this population, we aim to describe the delivery of NS, factors affecting calorie/protein delivery and NS-associated morbidity. From January 2015 to January 2017, we prospectively observed all cardiac surgery patients at a single institution who could not take nutrition orally, requiring postoperative NS, either enteral or parenteral, for the duration of NS up to 14 days. We compared outcomes to patients without NS and examined NS indications, factors affecting its delivery and its associated complications. Nine percent of patients (232/2603) required NS for a total of 1938 NS-days. The most common indication was mechanical ventilation. NS met 69% of daily caloric needs. On days when tube feeds (TFs) were held (mean of 13 hours), this decreased to 43%, compared to 96% when TFs were not held (P < 0.001). The most common reason for holding TFs was procedures. When TFs were supplemented with parenteral nutrition (TFs + PN), 86% of daily caloric needs were met. Even on days when TFs were held, this only dropped to 77% (TFs + PN), compared to 36% (TFs-only). By multivariable logistic regression, elemental and semielemental formulas, TF volume, and postpyloric feeds increased the risk of diarrhea, occurring in 28% of patients and 18% of TF-days. In cardiac surgery patients given postoperative NS, mortality and morbidity were an order of magnitude higher than those able to be fed orally. Enteral feeding delivered approximately two-thirds of needs, but PN supplementation dramatically improved this. Diarrhea was common, associated with the postpyloric route, increasing TF volume, and nonintact formula.
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Affiliation(s)
- Chin Siang Ong
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Pooja Yesantharao
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Patricia M Brown
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Joseph K Canner
- Department of Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - T Andrew Brown
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Marc S Sussman
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Glenn J R Whitman
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, Maryland.
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Sun Y, Li S, Wang S, Li C, Li G, Xu J, Wang H, Liu F, Yao G, Chang Z, Liu Y, Shang M, Wang D. Predictors of 1-year mortality in patients on prolonged mechanical ventilation after surgery in intensive care unit: a multicenter, retrospective cohort study. BMC Anesthesiol 2020; 20:44. [PMID: 32085744 PMCID: PMC7033944 DOI: 10.1186/s12871-020-0942-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 01/16/2020] [Indexed: 11/13/2022] Open
Abstract
Objectives The requirement of prolonged mechanical ventilation (PMV) is associated with increased medical care demand and expenses, high early and long-term mortality, and worse life quality. However, no study has assessed the prognostic factors associated with 1-year mortality among PMV patients, not less than 21 days after surgery. This study analyzed the predictors of 1-year mortality in patients requiring PMV in intensive care units (ICUs) after surgery. Methods In this multicenter, respective cohort study, 124 patients who required PMV after surgery in the ICUs of five tertiary hospitals in Beijing between January 2007 and June 2016 were enrolled. The primary outcome was the duration of survival within 1 year. Predictors of 1-year mortality were identified with a multivariable Cox proportional hazard model. The predictive effect of the ProVent score was also validated. Results Of the 124 patients enrolled, the cumulative 1-year mortality was 74.2% (92/124). From the multivariable Cox proportional hazard analysis, cancer diagnosis (hazard ratio [HR] 2.14, 95% confidence interval [CI] 1.37–3.35; P < 0.01), no tracheostomy (HR 2.01, 95% CI 1.22–3.30; P < 0.01), enteral nutrition intolerance (HR 1.88, 95% CI 1.19–2.97; P = 0.01), blood platelet count ≤150 × 109/L (HR 1.77, 95% CI 1.14–2.75; P = 0.01), requirement of vasopressors (HR 1.78, 95% CI 1.13–2.80; P = 0.02), and renal replacement therapy (HR 1.71, 95% CI 1.01–2.91; P = 0.047) on the 21st day of mechanical ventilation (MV) were associated with shortened 1-year survival. Conclusions For patients who required PMV after surgery, cancer diagnosis, no tracheostomy, enteral nutrition intolerance, blood platelet count ≤150 × 109/L, vasopressor requirement, and renal replacement therapy on the 21st day of MV were associated with shortened 1-year survival. The prognosis in PMV patients in ICUs can facilitate the decision-making process of physicians and patients’ family members on treatment schedule.
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Affiliation(s)
- Yueming Sun
- Department of Critical Care Medicine, Peking University First Hospital, Beijing, 100034, China
| | - Shuangling Li
- Department of Critical Care Medicine, Peking University First Hospital, Beijing, 100034, China.
| | - Shupeng Wang
- Department of Critical Care Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Chen Li
- Department of Critical Care Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Gang Li
- Department of Critical Care Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jiaxuan Xu
- Department of Critical Care Medicine, Beijing Cancer Hospital, Beijing, 100142, China
| | - Hongzhi Wang
- Department of Critical Care Medicine, Beijing Cancer Hospital, Beijing, 100142, China
| | - Fei Liu
- Department of Critical Care Medicine, Peking University Third Hospital, Beijing, 100191, China
| | - Gaiqi Yao
- Department of Critical Care Medicine, Peking University Third Hospital, Beijing, 100191, China
| | - Zhigang Chang
- Department of Critical Care Medicine, National Center of Gerontology, Beijing Hospital, Beijing, 100730, China
| | - Yalin Liu
- Department of Critical Care Medicine, National Center of Gerontology, Beijing Hospital, Beijing, 100730, China
| | - Meixia Shang
- Department of Biostatistics, Peking University First Hospital, Beijing, 100034, China
| | - Dongxin Wang
- Department of Critical Care Medicine, Peking University First Hospital, Beijing, 100034, China
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Al-Kalaldeh M, Suleiman K, Al-Kalaldeh O. Prognostic Performance of NUTRIC Score in Quantifying Malnutrition Risk in the Critically Ill in Congruence With the Bioelectrical Impedance Analysis. Nutr Clin Pract 2019; 35:559-566. [PMID: 31713274 DOI: 10.1002/ncp.10440] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND There is still no concrete guidance for assessing malnutrition risk in the critically ill. Nutrition Risk in the Critically Ill (NUTRIC) score is undertaken cautiously compared with other validated tools such as bioelectrical impedance analysis (BIA). This study aimed to assess the malnutrition risk in the critically ill using NUTRIC score and assess its congruency with the BIA. METHODS In this cross-section observational study, intensive care unit (ICU) patients from various etiologies were assessed using the earlier tools in addition to other prognostic markers (Acute Physiologic Assessment and Chronic Health Evaluation II [APACHE II] and Sequential Organ Failure Assessment [SOFA] scores), caloric attainment, and feeding complications. RESULTS Of a total 411 assessed patients, 313 (76.2%) were enterally fed, and 318 (77.4%) were mechanically ventilated. Mean age was 60.7 years, and the median of the assessment since admission was the 12th day. Of those enterally fed patients, 57.9% attained the caloric requirements. Both APACHE II and SOFA scores were compatible in ascertaining ICU mortality at a moderate level (17.88 and 7.17, respectively). The NUTRIC score and phase angle (PA) measured by BIA revealed no differences in the malnutrition risk between patients with and without enteral nutrition. However, regression indicated that the NUTRIC score has explained only 1.1% of the variance of PA after controlling other covariates (β = -0.222, P = .009, confidence interval = -0.31 to -0.05). CONCLUSIONS NUTRIC score has a limited prediction to the urgency of aggressive nutrition therapy within the early period of ICU admission.
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Affiliation(s)
| | - Khaled Suleiman
- Faculty of Nursing, Al-Zaytoonah University of Jordan, Amman, Jordan
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Medical Nutrition Therapy in Critically Ill Patients Treated on Intensive and Intermediate Care Units: A Literature Review. J Clin Med 2019; 8:jcm8091395. [PMID: 31500087 PMCID: PMC6780491 DOI: 10.3390/jcm8091395] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 09/01/2019] [Accepted: 09/03/2019] [Indexed: 12/12/2022] Open
Abstract
Medical nutrition therapy in critically ill patients remains challenging, not only because of the pronounced stress response with a higher risk for complications, but also due to their heterogeneity evolving from different phases of illness. The present review aims to address current knowledge and guidelines in order to summarize how they can be best implemented into daily clinical practice. Further studies are urgently needed to answer such important questions as best timing, route, dose, and composition of medical nutrition therapy for critically ill patients and to determine how to assess and to adapt to patients’ individual needs.
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Lewis SR, Schofield‐Robinson OJ, Alderson P, Smith AF. Enteral versus parenteral nutrition and enteral versus a combination of enteral and parenteral nutrition for adults in the intensive care unit. Cochrane Database Syst Rev 2018; 6:CD012276. [PMID: 29883514 PMCID: PMC6353207 DOI: 10.1002/14651858.cd012276.pub2] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Critically ill people are at increased risk of malnutrition. Acute and chronic illness, trauma and inflammation induce stress-related catabolism, and drug-induced adverse effects may reduce appetite or increase nausea and vomiting. In addition, patient management in the intensive care unit (ICU) may also interrupt feeding routines. Methods to deliver nutritional requirements include provision of enteral nutrition (EN), or parenteral nutrition (PN), or a combination of both (EN and PN). However, each method is problematic. This review aimed to determine the route of delivery that optimizes uptake of nutrition. OBJECTIVES To compare the effects of enteral versus parenteral methods of nutrition, and the effects of enteral versus a combination of enteral and parenteral methods of nutrition, among critically ill adults, in terms of mortality, number of ICU-free days up to day 28, and adverse events. SEARCH METHODS We searched CENTRAL, MEDLINE, and Embase on 3 October 2017. We searched clinical trials registries and grey literature, and handsearched reference lists of included studies and related reviews. SELECTION CRITERIA We included randomized controlled studies (RCTs) and quasi-randomized studies comparing EN given to adults in the ICU versus PN or versus EN and PN. We included participants that were trauma, emergency, and postsurgical patients in the ICU. DATA COLLECTION AND ANALYSIS Two review authors independently assessed studies for inclusion, extracted data, and assessed risk of bias. We assessed the certainty of evidence with GRADE. MAIN RESULTS We included 25 studies with 8816 participants; 23 studies were RCTs and two were quasi-randomized studies. All included participants were critically ill in the ICU with a wide range of diagnoses; mechanical ventilation status between study participants varied. We identified 11 studies awaiting classification for which we were unable to assess eligibility, and two ongoing studies.Seventeen studies compared EN versus PN, six compared EN versus EN and PN, two were multi-arm studies comparing EN versus PN versus EN and PN. Most studies reported randomization and allocation concealment inadequately. Most studies reported no methods to blind personnel or outcome assessors to nutrition groups; one study used adequate methods to reduce risk of performance bias.Enteral nutrition versus parenteral nutritionWe found that one feeding route rather than the other (EN or PN) may make little or no difference to mortality in hospital (risk ratio (RR) 1.19, 95% confidence interval (CI) 0.80 to 1.77; 361 participants; 6 studies; low-certainty evidence), or mortality within 30 days (RR 1.02, 95% CI 0.92 to 1.13; 3148 participants; 11 studies; low-certainty evidence). It is uncertain whether one feeding route rather than the other reduces mortality within 90 days because the certainty of the evidence is very low (RR 1.06, 95% CI 0.95 to 1.17; 2461 participants; 3 studies). One study reported mortality at one to four months and we did not combine this in the analysis; we reported this data as mortality within 180 days and it is uncertain whether EN or PN affects the number of deaths within 180 days because the certainty of the evidence is very low (RR 0.33, 95% CI 0.04 to 2.97; 46 participants).No studies reported number of ICU-free days up to day 28, and one study reported number of ventilator-free days up to day 28 and it is uncertain whether one feeding route rather than the other reduces the number of ventilator-free days up to day 28 because the certainty of the evidence is very low (mean difference, inverse variance, 0.00, 95% CI -0.97 to 0.97; 2388 participants).We combined data for adverse events reported by more than one study. It is uncertain whether EN or PN affects aspiration because the certainty of the evidence is very low (RR 1.53, 95% CI 0.46 to 5.03; 2437 participants; 2 studies), and we found that one feeding route rather than the other may make little or no difference to pneumonia (RR 1.10, 95% CI 0.82 to 1.48; 415 participants; 7 studies; low-certainty evidence). We found that EN may reduce sepsis (RR 0.59, 95% CI 0.37 to 0.95; 361 participants; 7 studies; low-certainty evidence), and it is uncertain whether PN reduces vomiting because the certainty of the evidence is very low (RR 3.42, 95% CI 1.15 to 10.16; 2525 participants; 3 studies).Enteral nutrition versus enteral nutrition and parenteral nutritionWe found that one feeding regimen rather than another (EN or combined EN or PN) may make little or no difference to mortality in hospital (RR 0.99, 95% CI 0.84 to 1.16; 5111 participants; 5 studies; low-certainty evidence), and at 90 days (RR 1.00, 95% CI 0.86 to 1.18; 4760 participants; 2 studies; low-certainty evidence). It is uncertain whether combined EN and PN leads to fewer deaths at 30 days because the certainty of the evidence is very low (RR 1.64, 95% CI 1.06 to 2.54; 409 participants; 3 studies). It is uncertain whether one feeding regimen rather than another reduces mortality within 180 days because the certainty of the evidence is very low (RR 1.00, 95% CI 0.65 to 1.55; 120 participants; 1 study).No studies reported number of ICU-free days or ventilator-free days up to day 28. It is uncertain whether either feeding method reduces pneumonia because the certainty of the evidence is very low (RR 1.40, 95% CI 0.91 to 2.15; 205 participants; 2 studies). No studies reported aspiration, sepsis, or vomiting. AUTHORS' CONCLUSIONS We found insufficient evidence to determine whether EN is better or worse than PN, or than combined EN and PN for mortality in hospital, at 90 days and at 180 days, and on the number of ventilator-free days and adverse events. We found fewer deaths at 30 days when studies gave combined EN and PN, and reduced sepsis for EN rather than PN. We found no studies that reported number of ICU-free days up to day 28. Certainty of the evidence for all outcomes is either low or very low. The 11 studies awaiting classification may alter the conclusions of the review once assessed.
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Affiliation(s)
- Sharon R Lewis
- Royal Lancaster InfirmaryLancaster Patient Safety Research UnitPointer Court 1, Ashton RoadLancasterUKLA1 4RP
| | - Oliver J Schofield‐Robinson
- Royal Lancaster InfirmaryLancaster Patient Safety Research UnitPointer Court 1, Ashton RoadLancasterUKLA1 4RP
| | - Phil Alderson
- National Institute for Health and Care ExcellenceLevel 1A, City Tower,Piccadilly PlazaManchesterUKM1 4BD
| | - Andrew F Smith
- Royal Lancaster InfirmaryDepartment of AnaesthesiaAshton RoadLancasterLancashireUKLA1 4RP
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Assessment of Nutritional Status of Critically Ill Patients Using the Malnutrition Universal Screening Tool and Phase Angle. TOP CLIN NUTR 2018. [DOI: 10.1097/tin.0000000000000136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Abstract
BACKGROUND Nutrition monitoring in the context of critical care presents unique challenges. Traditionally used anthropometric and biochemical markers may be difficult to obtain or confounded by factors such as fluid status and the inflammatory response. A previous survey identified 15 parameters in common use, all of which have confounding influences during critical illness. MATERIALS AND METHODS A literature search was conducted to assess current use of commonly used nutrition-monitoring parameters and to explore other possible methods that might be more useful. More than 1000 journal articles were reviewed to identify indicators of nutrition status or nutrition progress that have been used in ICU studies. The most recent 200 articles were examined to quantify the number of occurrences for each indicator. Each parameter was rated for availability and feasibility in the ICU. RESULTS There were 53 parameters found, including the 15 already identified as commonly used; 27 were used in ≥3 recent studies. Less-well-established nutrition indicators with potential for use in the ICU (moderate or high feasibility and availability) included ultrasound measurement of arm or leg muscle thickness, fatigue scoring with the Chalder scale, urinary creatinine assay, and serum insulin-like growth factor 1 level. None of these was among the commonly used indicators in recent studies. CONCLUSION This study identifies commonly used nutrition-monitoring parameters and discusses their feasibility and availability in the critical care setting. Further investigation of nutrition indicators in ICU is needed, ideally as part of a randomized trial to reduce the effect of the many possible confounding factors.
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Affiliation(s)
- Suzie Ferrie
- Royal Prince Alfred Hospital, Sydney, Australia.,University of Sydney, Sydney, Australia
| | - Erica Tsang
- Royal Prince Alfred Hospital, Sydney, Australia
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Lewis SR, Butler AR, Alderson P, Smith AF. Enteral versus parenteral nutrition for adults in the intensive care unit. Hippokratia 2016. [DOI: 10.1002/14651858.cd012276] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Sharon R Lewis
- Royal Lancaster Infirmary; Patient Safety Research Department; Pointer Court 1, Ashton Road Lancaster UK LA1 1RP
| | - Andrew R Butler
- Royal Lancaster Infirmary; Patient Safety Research Department; Pointer Court 1, Ashton Road Lancaster UK LA1 1RP
| | - Phil Alderson
- National Institute for Health and Care Excellence; Level 1A, City Tower, Piccadilly Plaza Manchester UK M1 4BD
| | - Andrew F Smith
- Royal Lancaster Infirmary; Department of Anaesthesia; Ashton Road Lancaster Lancashire UK LA1 4RP
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Liebau F, Wernerman J, van Loon LJC, Rooyackers O. Effect of initiating enteral protein feeding on whole-body protein turnover in critically ill patients. Am J Clin Nutr 2015; 101:549-57. [PMID: 25733640 DOI: 10.3945/ajcn.114.091934] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Critically ill patients are susceptible to protein catabolism. Enteral feeding may ameliorate protein loss, but its effect is not well characterized in terms of protein kinetics. OBJECTIVE We established a method of quantifying the effect of enteral protein feeding on whole-body protein turnover and studied critically ill patients receiving early enteral nutrition. DESIGN In a proof-of-concept study, we established, in healthy subjects (n = 6), a method of measuring the effect of continuous enteral protein feeding on whole-body protein turnover by using ¹³C-phenylalanine (¹³C-Phe) intrinsically labeled casein by a nasogastric feeding tube and an intravenous ²H₅-Phe tracer. The protocol was applied to study critically ill patients (n = 10) during the initial hypocaloric-hyponitrogenous dose of enteral nutrition. RESULTS Patients were catabolic with a negative protein balance. The median splanchnic extraction fraction of hourly dietary Phe intake was 92% (range: 86-99%); that is, the availability of dietary Phe in arterial plasma was low. In patients with a stable parenteral amino acid supply (n = 7), the median net protein balance improved during enteral feeding from -8.6 to -5.8 μmol · kg body weight⁻¹ · h⁻¹ (P = 0.018). CONCLUSIONS Whole-body protein turnover and the contribution of dietary protein can be quantified in critically ill patients by using intravenous and enteral stable-isotope Phe tracers. The whole-body protein balance improved during early hypocaloric-hyponitrogenous enteral protein feeding in these patients.
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Affiliation(s)
- Felix Liebau
- From the Department of Anesthesiology and Intensive Care, Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden (FL, JW, and OR), and NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, The Netherlands (LJCvL)
| | - Jan Wernerman
- From the Department of Anesthesiology and Intensive Care, Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden (FL, JW, and OR), and NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, The Netherlands (LJCvL)
| | - Luc J C van Loon
- From the Department of Anesthesiology and Intensive Care, Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden (FL, JW, and OR), and NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, The Netherlands (LJCvL)
| | - Olav Rooyackers
- From the Department of Anesthesiology and Intensive Care, Karolinska University Hospital Huddinge and Karolinska Institutet, Stockholm, Sweden (FL, JW, and OR), and NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University, Maastricht, The Netherlands (LJCvL)
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Evaluation of three indirect calorimetry devices in mechanically ventilated patients: Which device compares best with the Deltatrac II®? A prospective observational study. Clin Nutr 2015; 34:60-5. [DOI: 10.1016/j.clnu.2014.01.008] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 01/13/2014] [Accepted: 01/13/2014] [Indexed: 12/22/2022]
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Abstract
BACKGROUND Demographic change has also caused changes in perioperative intensive care because the proportion of geriatric patients who must undergo surgical procedures is increasing. With the current preoperative assessment instruments, it is still not possible to identify high-risk patients of this collective or to make a reliable prognosis concerning postoperative course. MATERIALS AND METHODS In addition to pain control, important aspects to minimize complications in postoperative intensive care include adequate oxygenation, adequate fluid management, an adequate supply of energy and nutrients, good control of blood sugar levels, and early mobilization of patients. RESULTS The perioperative intensive care treatment of geriatric patients requires the readiness to engage in interdisciplinary collaboration because only with this close dialog can the treatment results be sustained.
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Ekpe K, Novara A, Mainardi JL, Fagon JY, Faisy C. Methicillin-resistant Staphylococcus aureus bloodstream infections are associated with a higher energy deficit than other ICU-acquired bacteremia. Intensive Care Med 2014; 40:1878-87. [PMID: 25288210 DOI: 10.1007/s00134-014-3502-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2014] [Accepted: 09/18/2014] [Indexed: 01/15/2023]
Abstract
PURPOSE Caloric insufficiency during the first week of intensive care unit (ICU) stay was reported to be associated with increased infection rates, especially ICU-acquired bloodstream infection (ICU-BSI). However, the predisposition to ICU-BSI by a given pathogen remains not well known. We aimed to determine the impact of early energy-calorie deficit on the pathogens responsible for ICU-BSI. DESIGN Prospective, observational, cohort study in a 18-bed medical ICU of a tertiary care hospital. METHODS Daily energy balance (energy-calorie intakes minus calculated energy-calorie expenditure) was compared according to the microbiological results of the blood cultures of 92 consecutive prolonged (at least 96 h) acute mechanically ventilated patients who developed a first episode of ICU-BSI. RESULTS Among the 92 ICU-BSI, nine were due to methicillin-resistant Staphylococcus aureus (MRSA). The cumulated energy deficit of patients with MRSA ICU-BSI was greater than those with ICU-BSI caused by other pathogens (-1,348 ± 260 vs -1,000 ± 401 kcal/day from ICU admission to day of ICU-BSI, p = 0.008). ICU admission, risk factors for nosocomial infections, nutritional status, and conditions potentially limiting feeding did not differ significantly between the two groups. Patients with MRSA ICU-BSI had lower delivered energy and similar energy expenditure, causing higher energy deficits. More severe energy deficit and higher rate of MRSA blood cultures (p = 0.01 comparing quartiles) were observed. CONCLUSIONS Early in-ICU energy deficit was associated with MRSA ICU-BSI in prolonged acute mechanically ventilated patients. Results suggest that limiting the early energy deficit could be a way to optimize MRSA ICU-BSI prevention.
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Affiliation(s)
- Kenneth Ekpe
- Intensive Care Unit, Gustave Roussy, Cancer Campus, Grand Paris, Villejuif, France
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Shpata V, Prendushi X, Kreka M, Kola I, Kurti F, Ohri I. Malnutrition at the time of surgery affects negatively the clinical outcome of critically ill patients with gastrointestinal cancer. Med Arch 2014; 68:263-7. [PMID: 25568549 PMCID: PMC4240570 DOI: 10.5455/medarh.2014.68.263-267] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Accepted: 07/25/2014] [Indexed: 12/18/2022] Open
Abstract
Introduction: Malnutrition is a frequent concomitant of surgical illness, especially in gastrointestinal cancer surgery. The aim of the study was to assess the prevalence of malnutrition in the GI cancer patients and its relation with clinical outcome. We also examined associations between the energy balance and clinical outcomes in these patients. Methods: Prospective study on 694 surgical patients treated in the ICU of the UHC of Tirana. Patients were divided into well-nourished and malnourished groups according to their nutritional status. Multiple regression analysis was used to analyze the effect of malnutrition and cumulated energy balance on clinical outcome. Results: The prevalence of pre-operative malnutrition was 65.3% for all surgical patients and 84.9% for gastrointestinal cancer patients. Malnutrition, as analyzed by a multivariate logistic regression model, is an independent risk factor for higher complications, infections, and mortality, longer stay in the ventilator and ICU. Also this model showed that cumulated energy balance correlated with infections, and mortality and was independently associated with the length ventilator and ICU stay. Conclusion: This study shows that malnutrition is a significant problem in surgical patients, especially in patients with gastrointestinal cancer. Malnutrition and cumulated energy deficit in gastro-intestinal surgery patients with malignancy is an independent risk factor on increased post-operative morbidity and mortality.
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Affiliation(s)
- Vjollca Shpata
- Faculty of Medical Technical Sciences, University of Medicine, Tirana, Albani
| | - Xhensila Prendushi
- Faculty of Medical Technical Sciences, University of Medicine, Tirana, Albani
| | - Manika Kreka
- Faculty of Medical Technical Sciences, University of Medicine, Tirana, Albani
| | - Irena Kola
- Faculty of Medical Technical Sciences, University of Medicine, Tirana, Albani
| | - Floreta Kurti
- Faculty of Medical Technical Sciences, University of Medicine, Tirana, Albani
| | - Ilir Ohri
- Department of Anesthesia and Intensive Care, Faculty of Medicine, University of Medicine, Albania, University Hospital Center "Mother Teresa", Tirana
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Honda CKY, Freitas FGR, Stanich P, Mazza BF, Castro I, Nascente APM, Bafi AT, Azevedo LCP, Machado FR. Nurse to bed ratio and nutrition support in critically ill patients. Am J Crit Care 2013; 22:e71-8. [PMID: 24186828 DOI: 10.4037/ajcc2013610] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Inadequate nutrition support is common among critically ill patients, and identification of risk factors for such inadequacy might help in improving nutrition support. OBJECTIVE To determine how often daily calorie goals are met and the factors responsible for inadequate nutrition support. Methods A single-center prospective cohort study. Each patient's demographic and clinical characteristics, the need for ventilatory support, the use and dosage of medications, the number of nursing staff per bed, the time elapsed from admission to the intensive care unit until the effective start of enteral feeding, and the causes for nonadministration were recorded. Achievement of daily calorie goals was determined and correlated with risk factors. RESULTS A total of 262 daily evaluations were done in 40 patients. Daily calorie goal was achieved in only 46.2% of the evaluations (n = 121), with a mean of 74.8% of the prescribed volume of enteral nutrition infused daily. Risk factors for inadequate nutrition support were the use of midazolam (odds ratio, 1.58; 95% CI, 1.18-2.11) and fewer nursing professionals per bed (odds ratio, 2.56; 95% CI, 1.43-4.57). Conclusion Achievement of daily calorie goals was inadequate, and the main factors associated with this failure were the use and dosage of midazolam and the number of nurses available.
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Affiliation(s)
- Carolina Keiko Yamamoto Honda
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Flávio Geraldo Rezende Freitas
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Patricia Stanich
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Bruno Franco Mazza
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Isac Castro
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Ana Paula Metran Nascente
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Antonio Toneti Bafi
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Luciano Cesar Pontes Azevedo
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
| | - Flávia Ribeiro Machado
- Most of the authors are employed in the Anesthesiology, Pain, and Intensive Care Department, Federal University of Sao Paulo, Sao Paulo, SP, Brazil: Carolina Keiko Yamamoto Honda, Flávio Geraldo Rezende Freitas, and Bruno Franco Mazza are physicians, Isac Castro is a statistician, and Ana Paula Metran Nascentev, Antonio Toneti Bafi, Luciano Cesar Pontes Azevedo, and Flávia Ribeiro Machado are physicians. Patricia Stanich is a nutritionist at Hospital Sao Paulo, Sao Paulo, SP, Brazil
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Fraipont V, Preiser JC. Energy estimation and measurement in critically ill patients. JPEN J Parenter Enteral Nutr 2013; 37:705-13. [PMID: 24113283 DOI: 10.1177/0148607113505868] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The estimation of caloric needs of critically ill patients is usually based on energy expenditure (EE), while current recommendations for caloric intake most often rely on a fixed amount of calories. In fact, during the early phase of critical illness, caloric needs are probably lower than EE, as a substantial proportion of EE is covered by the non-inhibitable endogenous glucose production. Hence, the risk of overfeeding is higher during the early phase than the late phase, while the risk of underfeeding is higher during the late phase of critical illness. Therefore, an accurate measurement of EE can be helpful to prevent early overfeeding and late underfeeding. Available techniques to assess EE include predictive equations, calorimetry, and doubly labeled water, the reference method. The available predictive equations are often inaccurate, while indirect calorimetry is difficult to perform for several reasons, including a shortage of reliable devices and technical limitations. In this review, the authors intend to discuss the different techniques and the influence of the method used on the interpretation of the results of clinical studies.
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Abdul Manaf Z, Kassim N, Hamzaid NH, Razali NH. Delivery of enteral nutrition for critically ill children. Nutr Diet 2013. [DOI: 10.1111/1747-0080.12007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Zahara Abdul Manaf
- Dietetic Programme; School of Healthcare Sciences; Faculty of Health Sciences; National University of Malaysia; Malaysia
| | - Norasimah Kassim
- Dietetics and Food Services Department; Hospital Kuala Lumpur; Kuala Lumpur; Malaysia
| | - Nur Hana Hamzaid
- Dietetic Programme; School of Healthcare Sciences; Faculty of Health Sciences; National University of Malaysia; Malaysia
| | - Nurul Huda Razali
- Dietetic Programme; School of Healthcare Sciences; Faculty of Health Sciences; National University of Malaysia; Malaysia
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Couto CFL, Moreira JDS, Hoher JA. Terapia nutricional enteral em politraumatizados sob ventilação mecânica e oferta energética. REV NUTR 2012. [DOI: 10.1590/s1415-52732012000600002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJETIVO: O objetivo deste estudo foi avaliar a adequação energética dos pacientes politraumatizados em suporte ventilatório internados na unidade de terapia intensiva de um hospital público de Porto Alegre (RS), por meio da comparação entre as calorias prescritas e as efetivamente administradas, assim como entre as calorias estimadas pela equação de Harris-Benedict e a prescrição energética de cada paciente. MÉTODOS: Estudo de coorte prospectivo de pacientes politraumatizados, simultaneamente sob ventilação mecânica e terapia nutricional enteral. Verificou-se o tempo de permanência sob ventilação mecânica e a oferta energética durante o período de terapia nutricional enteral. A associação entre as variáveis quantitativas foi avaliada através do teste de correlação de Spearman devido à assimetria das variáveis. RESULTADOS: Foram acompanhados 60 pacientes, na faixa etária de 18 a 78 anos, sendo 81,7% do sexo masculino. Os tempos medianos de internação hospitalar, permanência na unidade de terapia intensiva e ventilação mecânica foram de 29, 14 e 6 dias, respectivamente. A média do percentual de dieta administrada foi de 68,6% (DP=18,3%). Da amostra total, 16 (26,7%) pacientes receberam no mínimo 80% de suas necessidades diárias. Não houve associação estatisticamente significativa entre o valor energético total administrado e os tempos de ventilação mecânica (r s=0,130; p=0,321), de unidade de terapia intensiva (r s=-0,117; p=0,372) e de internação hospitalar (r s=-0,152; p=0,246). CONCLUSÃO: Os pacientes incluídos neste estudo não receberam com precisão o aporte energético prescrito, ficando expostos aos riscos da desnutrição e seus desfechos clínicos desfavoráveis.
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20
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A new approach to defining and diagnosing malnutrition in adult critical illness. Curr Opin Crit Care 2012; 18:206-11. [DOI: 10.1097/mcc.0b013e328351683a] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Jensen GL, Hsiao PY, Wheeler D. Adult Nutrition Assessment Tutorial. JPEN J Parenter Enteral Nutr 2012; 36:267-74. [DOI: 10.1177/0148607112440284] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Gordon L. Jensen
- Department of Nutritional Sciences, Penn State University, University Park, Pennsylvania
| | - Pao Ying Hsiao
- Department of Nutritional Sciences, Penn State University, University Park, Pennsylvania
| | - Dara Wheeler
- Department of Nutritional Sciences, Penn State University, University Park, Pennsylvania
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Faisy C, Candela Llerena M, Savalle M, Mainardi JL, Fagon JY. Early ICU energy deficit is a risk factor for Staphylococcus aureus ventilator-associated pneumonia. Chest 2011; 140:1254-1260. [PMID: 21903738 DOI: 10.1378/chest.11-1499] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Caloric insufficiency during the first week of ICU stay has been associated with increased infection rates. The connection between specific pathogens and host nutritional status in the ICU is not well known. This study was undertaken to determine the impact of patients' early in-ICU energy balance on the pathogens responsible for ventilator-associated pneumonia (VAP). METHODS In this prospective, observational, cohort study conducted in a teaching hospital ICU, energy balance (energy delivered - calculated resting energy expenditure) was compared according to the microbiologic results of the fiber-optic BAL cultures of 76 consecutive patients receiving acute prolonged (≥ 96 h) mechanical ventilation who developed VAP during their ICU stay. RESULTS Among the 76 BAL cultures, 22 contained significant Staphylococcus aureus concentrations. The cumulated energy deficit of patients with S aureus VAP was greater than those with VAP caused by other pathogens (-10,275 ± 4,211 kcal vs -7,376 ± 4,013 kcal from ICU admission to day of BAL, P < .01). ICU admission, nutritional status, and conditions potentially limiting feeding did not differ significantly between the two groups. Patients with S aureus VAP had lower prescribed and delivered energy, causing higher energy deficits. Multivariate analysis identified energy deficit as being independently associated with S aureus VAP. More-severe energy deficit and higher rate of S aureus-positive BAL cultures (P = .01 comparing quartiles) were observed. CONCLUSIONS Early ICU energy deficit is an independent determinant for acquiring S aureus VAP in patients on acute prolonged mechanical ventilation.
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Affiliation(s)
- Christophe Faisy
- Medical Intensive Care Unit, European Georges Pompidou Hospital, University Paris-Descartes, Assistance Publique-Hôpitaux de Paris, Paris, France.
| | - Maria Candela Llerena
- Intensive Care Unit, San Isidro Central Hospital Melchor Angel Posse, Buenos Aires, Argentina
| | - Magali Savalle
- Medical Intensive Care Unit, European Georges Pompidou Hospital, University Paris-Descartes, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Luc Mainardi
- Department of Microbiology, European Georges Pompidou Hospital, University Paris-Descartes, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Yves Fagon
- Medical Intensive Care Unit, European Georges Pompidou Hospital, University Paris-Descartes, Assistance Publique-Hôpitaux de Paris, Paris, France
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Graf S, Maisonneuve N, Fleury Y, Heidegger CP. Déficit calorique du patient de réanimation : à traiter ou à contempler ? MEDECINE INTENSIVE REANIMATION 2011. [DOI: 10.1007/s13546-011-0277-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Altintas ND, Aydin K, Türkoğlu MA, Abbasoğlu O, Topeli A. Effect of enteral versus parenteral nutrition on outcome of medical patients requiring mechanical ventilation. Nutr Clin Pract 2011; 26:322-9. [PMID: 21531737 DOI: 10.1177/0884533611405790] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Early enteral nutrition (EN) in patients receiving mechanical ventilation commonly has been advocated, based mainly on studies conducted in mixed populations of trauma and surgery patients. In this study, ventilator-associated pneumonia rates and outcomes were compared in mechanically ventilated medical intensive care unit (ICU) patients receiving enteral versus parenteral nutrition. METHODS Patients fulfilling inclusion criteria between February 1, 2004, and January 31, 2006, were included. Patients were randomized to enteral or parenteral nutrition (PN) within 48 hours of intubation. Development of ventilator-associated pneumonia, assessment as to whether day feeding goal was attained, duration of mechanical ventilation, ICU and hospital length of stay (LOS), and mortality rates were recorded. RESULTS Of 249 consecutive patients receiving mechanical ventilation, 71 patients were included. Thirty (42.3%) patients received EN, and 41 (57.7%) received PN. There was no difference between groups for age, sex, body mass index, and scores on the Acute Physiology and Chronic Health Evaluation II. Ventilator-associated pneumonia rate, ICU and hospital LOS, and mortality rates were similar for both groups. In the parenterally fed group, duration of mechanical ventilation was longer (p = .023), but the feeding goal was attained earlier (p = .012). CONCLUSIONS In mechanically ventilated patients in the medical ICU, ventilator-associated pneumonia rates, ICU and hospital lengths of stay, and ICU and hospital mortality rates of patients receiving PN are not significantly different than those in patients receiving EN, and feeding goals can more effectively be attained by PN. Yet, duration of mechanical ventilation is slightly longer in patients receiving PN.
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Tsai JR, Chang WT, Sheu CC, Wu YJ, Sheu YH, Liu PL, Ker CG, Huang MC. Inadequate energy delivery during early critical illness correlates with increased risk of mortality in patients who survive at least seven days: A retrospective study. Clin Nutr 2011; 30:209-14. [PMID: 20943293 DOI: 10.1016/j.clnu.2010.09.003] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2010] [Revised: 08/03/2010] [Accepted: 09/15/2010] [Indexed: 02/08/2023]
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Lev S, Cohen J, Singer P. Indirect calorimetry measurements in the ventilated critically ill patient: facts and controversies--the heat is on. Crit Care Clin 2011; 26:e1-9. [PMID: 20970041 DOI: 10.1016/j.ccc.2010.08.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The provision of nutrition to critically ill patients in the ICU often receives lower priority compared with hemodynamic and ventilation control. This frequently results in a significant calorie deficit. Overestimation of daily energy expenditure may also result in adverse outcomes. In many centers, nutritional decision making is based on predictive formulas, which have been shown to underestimate true energy requirements. Such estimations are ideally performed using indirect calorimetry. Nevertheless, the use of indirect calorimetry has been limited owing to costs and technical difficulties. Controversies about its actual clinical benefits are the focus of recent clinical studies and recommendations. The aim of this review was to describe the advantages of measuring indirect calorimetry within the concept of energy-protein goal-oriented therapy.
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Affiliation(s)
- Shaul Lev
- General Intensive Care Department, Rabin Medical Center, Institute for Nutrition Research, Campus Beilinson, Petah-Tikva 49100, Israel
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Thibault R, Pichard C. Parenteral nutrition in critical illness: can it safely improve outcomes? Crit Care Clin 2010; 26:467-80, viii. [PMID: 20643300 DOI: 10.1016/j.ccc.2010.04.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Total parenteral nutrition was developed in the 1960s and has since been implemented commonly in the intensive care unit (ICU). Studies published in the 1980s and early 1990s indicate that the use of total parenteral nutrition is associated with increased mortality and infectious morbidity. These detrimental effects were related to hyperglycemia and overnutrition at a period when parenteral nutrition was not administered according to the all-in-one principle. Because of its beneficial effects on the gastrointestinal tract, enteral nutrition alone replaced parenteral nutrition as the gold standard of nutritional care in the ICU in the 1980s. However, enteral nutrition alone is frequently associated with insufficient coverage of the energy requirements, and subsequent protein-energy deficit is correlated with a worse clinical outcome. Recent evidence suggests that all-in-one parenteral nutrition has no significant effect on mortality and infectious morbidity in patients in the ICU if a glycemic control is obtained and hyperalimentation avoided. Thus, the time has come to reconsider the use of parenteral nutrition in the ICU. Supplemental parenteral nutrition could prevent onset of nutritional deficiencies when enteral nutrition is insufficient in meeting energy requirements. Clinical studies are warranted to show that the combination of parenteral and enteral nutrition could improve the clinical outcome of patients in the ICU.
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Affiliation(s)
- Ronan Thibault
- Nutrition Unit, Geneva University Hospital, Rue Gabrielle-Perret-Gentil, 4, 1211 Geneva 14, Switzerland
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Abstract
PURPOSE OF REVIEW In the setting of ICU, the characteristics of patients have changed during the last decade. Patients are older, frequently overweight or obese, present with more chronic diseases and undernutrition. These conditions are characterized by reduced muscle mass and vulnerable homeostasis. This review sustains the hypothesis that an early and optimal nutritional support, combining enteral and parenteral nutrition, could improve the clinical outcome of ICU patients. RECENT FINDINGS The combination of stress and undernutrition observed in the ICUs is associated with negative energy balance, which leads to lean body mass loss. Catabolism of lean body mass has been repeatedly associated with a worsening of the clinical outcome, increased length of hospital stay, recovery and healthcare costs. Early enteral nutrition is the recommended feeding route in ICU patients, but it is often unable to fully cover the nutritional needs. Parenteral nutrition is recommended if enteral nutrition is not feasible. SUMMARY It is hypothesized that supplemental parenteral nutrition, together with insufficient enteral nutrition, could optimize the nutritional therapy by preventing the onset of early energy deficiency, and thus, could allow to reduce the side-effects of undernutrition and promote better chances of recovery after the ICU stay.
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Affiliation(s)
- Ronan Thibault
- Nutrition Unit, Geneva University Hospital, Geneva, Switzerland
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29
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Thibault R, Heidegger CP, Berger MM, Pichard C. Association nutrition entérale et parentérale en réanimation : nouveau concept d’optimisation. NUTR CLIN METAB 2009. [DOI: 10.1016/j.nupar.2009.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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30
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Japur CC, Monteiro JP, Marchini JS, Garcia RWD, Basile-Filho A. Can an adequate energy intake be able to reverse the negative nitrogen balance in mechanically ventilated critically ill patients? J Crit Care 2009; 25:445-50. [PMID: 19682853 DOI: 10.1016/j.jcrc.2009.05.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2009] [Accepted: 05/15/2009] [Indexed: 12/22/2022]
Abstract
PURPOSE Adequate energy provision and nitrogen losses prevention of critically ill patients are essentials for treatment and recovery. The aims of this study were to evaluate energy expenditure (EE) and nitrogen balance (NB) of critically ill patients, to classify adequacy of energy intake (EI), and to verify adequacy of EI capacity to reverse the negative NB. METHODS Seventeen patients from an intensive care unit were evaluated within a 24-hour period. Indirect calorimetry was performed to calculate patient's EE and Kjeldhal for urinary nitrogen analysis. The total EI and protein intake were calculated from the standard parenteral and enteral nutrition infused. Underfeeding was characterized as EI 90% or less and overfeeding as 110% or greater of EE. The adequacy of the EI (EI EE(-1) × 100) and the NB were estimated and associated with each other by Spearman coefficient. RESULTS The mean EE was 1515 ± 268 kcal d(-1), and most of the patients (11/14) presented a negative NB (-8.2 ± 4.7 g.d(-1)). A high rate (53%) of inadequate energy intake was found, and a positive correlation between EI EE(-1) and NB was observed (r = 0.670; P = .007). CONCLUSION The results show a high rate of inadequate EI and negative NB, and equilibrium between EI and EE may improve NB. Indirect calorimetry can be used to adjust the energy requirements in the critically ill patients.
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Affiliation(s)
- Camila C Japur
- Division of Intensive Care, Department of Surgery and Anatomy, Faculty of Medicine of Ribeirão Preto-University of São Paulo, SP 14049-900 Ribeirão Preto, Brazil.
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Nozaki VT, Peralta RM. Adequação do suporte nutricional na terapia nutricional enteral: comparação em dois hospitais. REV NUTR 2009. [DOI: 10.1590/s1415-52732009000300004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJETIVO: Avaliar o estado nutricional de pacientes hospitalizados e comparar as condutas nutricionais enterais adotadas em dois hospitais gerais da região metropolitana de Maringá (PR), Brasil. MÉTODOS: O estudo foi realizado com 62 pacientes de ambos os sexos, em uso apenas de nutrição enteral. Os dados foram coletados em dois hospitais gerais. As necessidades energéticas dos pacientes foram calculadas por meio das equações propostas por Harris & Benedict e pela recomendação da European Society for Clinical Nutrition and Metabolism. O estado nutricional dos pacientes foi avaliado utilizando-se medidas antropométricas. RESULTADOS: Altos índices de desnutrição foram encontrados em ambos os hospitais, especialmente avaliando-se a Área Muscular do Braço. A prescrição energética mostrou-se adequada para 45,71% e 40,74% dos pacientes dos hospitais 1 e 2, respectivamente. CONCLUSÃO: Inadequações na terapia nutricional enteral, associadas a elevados índices de desnutrição, foram detectadas em ambos os hospitais. Os dados obtidos neste estudo demonstram a necessidade de melhoras nos dois serviços de nutrição enteral, sendo necessária a adoção de medidas de padronização e avaliação periódica dos pacientes.
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Japur CC, Penaforte FRO, Chiarello PG, Monteiro JP, Vieira MNCM, Basile-Filho A. Harris-Benedict equation for critically ill patients: are there differences with indirect calorimetry? J Crit Care 2009; 24:628.e1-5. [PMID: 19327332 DOI: 10.1016/j.jcrc.2008.12.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2008] [Revised: 11/24/2008] [Accepted: 12/08/2008] [Indexed: 10/21/2022]
Abstract
PURPOSE The aim of this study was to compare the measured energy expenditure (EE) and the estimated basal EE (BEE) in critically ill patients. MATERIALS AND METHODS Seventeen patients from an intensive care unit were randomly evaluated. Indirect calorimetry was performed to calculate patient's EE, and BEE was estimated by the Harris-Benedict formula. The metabolic state (EE/BEE x 100) was determined according to the following criteria: hypermetabolism, more than 130%; normal metabolism, between 90% and 130%; and hypometabolism, less than 90%. To determine the limits of agreement between EE and BEE, we performed a Bland-Altman analysis. RESULTS The average EE of patients was 6339 +/- 1119 kJ/d. Two patients were hypermetabolic (11.8%), 4 were hypometabolic (23.5%), and 11 normometabolic (64.7%). Bland-Altman analysis showed a mean of -126 +/- 2135 kJ/d for EE and BEE. Only one patient was outside the limits of agreement between the 2 methods (indirect calorimetry and Harris-Benedict). CONCLUSIONS The calculation of energy needs can be done with the equation of Harris-Benedict associated with lower values of correction factors (approximately 10%) to avoid overfeeding, with constant monitoring of anthropometric and biochemical parameters to assess the nutritional changing and adjust the infusion of energy.
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Affiliation(s)
- Camila C Japur
- Departamento de Clínica Médica, Universidade de São Paulo, Brasil.
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Impact of energy deficit calculated by a predictive method on outcome in medical patients requiring prolonged acute mechanical ventilation. Br J Nutr 2008; 101:1079-87. [PMID: 18778528 DOI: 10.1017/s0007114508055669] [Citation(s) in RCA: 122] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
To assess energy balance in very sick medical patients requiring prolonged acute mechanical ventilation and its possible impact on outcome, we conducted an observational study of the first 14 d of intensive care unit (ICU) stay in thirty-eight consecutive adult patients intubated at least 7 d. Exclusive enteral nutrition (EN) was started within 24 h of ICU admission and progressively increased, in absence of gastrointestinal intolerance, to the recommended energy of 125.5 kJ/kg per d. Calculated energy balance was defined as energy delivered - resting energy expenditure estimated by a predictive method based on static and dynamic biometric parameters. Mean energy balance was - 5439 (sem 222) kJ per d. EN was interrupted 23 % of the time and situations limiting feeding administration reached 64 % of survey time. ICU mortality was 72 %. Non-survivors had higher mean energy deficit than ICU survivors (P = 0.004). Multivariate analysis identified mean energy deficit as independently associated with ICU death (P = 0.02). Higher ICU mortality was observed with higher energy deficit (P = 0.003 comparing quartiles). Using receiver operating characteristic curve analysis, the best deficit threshold for predicting ICU mortality was 5021 kJ per d. Kaplan-Meier analysis showed that patients with mean energy deficit > or =5021 kJ per d had a higher ICU mortality rate than patients with lower mean energy deficit after the 14th ICU day (P = 0.01). The study suggests that large negative energy balance seems to be an independent determinant of ICU mortality in a very sick medical population requiring prolonged acute mechanical ventilation, especially when energy deficit exceeds 5021 kJ per d.
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Enteral vs. parenteral nutrition for the critically ill patient: a combined support should be preferred. Curr Opin Crit Care 2008; 14:408-14. [PMID: 18614904 DOI: 10.1097/mcc.0b013e3283052cdd] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
PURPOSE OF REVIEW Current recommendations suggest starting enteral feeding as soon as possible whenever the gastrointestinal tract is functioning. The disadvantage of enteral support is that insufficient energy and protein coverage can occur. This review focuses on some recent findings regarding the nutritional support of critically ill patients and evaluates the data presented. RECENT FINDINGS An increasing nutritional deficit during a long ICU stay is associated with increased morbidity (infection rate, wound healing, mechanical ventilation, length of stay, duration of recovery), and costs. Evidence shows that enteral nutrition can result in underfeeding and that nutritional goals are frequently reached only after 1 week. Contrary to former beliefs, recent meta-analyses of ICU studies showed that parenteral nutrition is not related to a surplus mortality and may even be associated with improved survival. SUMMARY Early enteral nutrition is recommended for critically ill patients. Supplemental parenteral nutrition combined with enteral nutrition can be considered to cover the energy and protein targets when enteral nutrition alone fails to achieve the caloric goal. Whether such a combined nutritional support provides additional benefit on the overall outcome has to be proven in further studies on clinical outcome, including physical and cognitive functioning, quality of life, cost-effectiveness, and cost-utility.
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de Aguilar-Nascimento JE, Kudsk KA. Early nutritional therapy: the role of enteral and parenteral routes. Curr Opin Clin Nutr Metab Care 2008; 11:255-60. [PMID: 18403921 DOI: 10.1097/mco.0b013e3282fba5c6] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Early nutrition is defined as the initiation of nutritional therapy within 48 h of either hospital admission or surgery. However, optimal timing for initiation of nutritional therapy through either enteral or parenteral routes remains poorly defined with the existing data. We reviewed the recent literature investigating the role of early enteral and parenteral nutrition in critical illness and perioperative care. RECENT FINDINGS Recent studies in both trauma/surgical and nonsurgical patients support the superiority of early enteral over early parenteral nutrition. However, late commencement of enteral feeding should be avoided if the gastrointestinal tract is functional. Both prolonged hypocaloric enteral feeding and hypercaloric parenteral nutrition should be avoided, although the precise caloric target remains controversial. SUMMARY Early enteral nutrition remains the first option for the critically ill patient. However, there seems to be increased favor for combined enteral-parenteral therapy in cases of sustained hypocaloric enteral nutrition. The key issue is when the dual regimen should be initiated. Although more study is required to determine the optimal timing to initiate a combined enteral-parenteral approach, enteral nutrition should be initiated early and parenteral nutrition added if caloric-protein targets cannot be achieved after a few days.
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Early enteral supplementation with key pharmaconutrients improves Sequential Organ Failure Assessment score in critically ill patients with sepsis: outcome of a randomized, controlled, double-blind trial. Crit Care Med 2008; 36:131-44. [PMID: 18007263 DOI: 10.1097/01.ccm.0000297954.45251.a9] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE To assess the safety and efficacy of an early enteral pharmaconutrition supplement containing glutamine dipeptides, antioxidative vitamins and trace elements, and butyrate in critically ill, septic patients. DESIGN A prospective, randomized, controlled, double-blind clinical trial. SETTING Adult intensive care unit in a university hospital. PATIENTS Fifty-five critically ill, septic patients requiring enteral feeding. INTERVENTIONS Patients received either an enteral supplement (500 mL of Intestamin, Fresenius Kabi) containing conditionally essential nutrients or a control solution via the nasogastric route for up to 10 days. Inclusion occurred within 24 hrs of intensive care unit admission. Additionally, patients received enteral feeding with an immunonutrition formula (experimental group) or standard formula (control group) initiated within 48 hrs after enrollment. MEASUREMENTS AND MAIN RESULTS Organ dysfunction was assessed by daily total Sequential Organ Failure Assessment (SOFA) score over the 10-day study period in both patient groups. Patients receiving the experimental supplement showed a significantly faster decline in the regression slopes of delta daily total SOFA score over time compared with control. The difference between the regression coefficients of the two slopes was significant irrespective of the level of analysis: intent to treat -0.32 vs. -0.14, p < .0001; per protocol -0.34 vs. -0.14, p < .0001; and completers (patients receiving > or = 80% of the calculated caloric target over a period of 6 days), -0.26 vs. -0.16, p = .0005. Vitamin C, as a marker of supplement absorption, increased from 10.6 (1.9-159.4) micromol/L (normal range 20-50 micromol/L) on day 1 to 58.7 (5.4-189.9) micromol/L by day 3 (p = .002) in the intervention group but remained below the normal range in the control group 17.0 (2.8-78.5) on day 1 and 14.3 (2.4-179.6) on day 3. Serum levels of glycine, serine, arginine, ornithine, vitamin E, and beta-carotene all increased significantly with treatment in the supplementation group. CONCLUSIONS In medical patients with sepsis, early enteral pharmaconutrition with glutamine dipeptides, vitamin C and E, beta-carotene, selenium, zinc, and butyrate in combination with an immunonutrition formula results in significantly faster recovery of organ function compared with control.
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Affiliation(s)
- Norma A. Metheny
- Norma A. Metheny is Professor and Dorothy A. Votsmier Endowed Chair in Nursing at Saint Louis University, St. Louis, Missouri
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Heidegger CP, Romand JA, Treggiari MM, Pichard C. Is it now time to promote mixed enteral and parenteral nutrition for the critically ill patient? Intensive Care Med 2007; 33:963-9. [PMID: 17468845 DOI: 10.1007/s00134-007-0654-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2006] [Accepted: 04/02/2007] [Indexed: 01/04/2023]
Abstract
BACKGROUND Intensive care outcome measured by morbidity and mortality is altered in the severely malnourished ICU patient, and nutritional support of the critically ill is accepted as a standard of care. Current recommendations suggest starting enteral feeding as soon as possible whenever the gastrointestinal tract is functioning. The disadvantage of enteral support is that inadequate energy and protein intake can occur. The present commentary focuses on some recent findings regarding the nutritional support of critically ill patients and proposes to promote mixed nutrition support by enteral nutrition (EN), and by parenteral nutrition (PN) whenever EN is insufficient. RECENT FINDINGS An increasing nutrition deficit during a long ICU stay is associated with increased morbidity (increased infection rate or impaired wound healing). Evidence shows that EN can result in underfeeding and that nutrition goals are reached only after 5-7 days. Contrary to former beliefs, recent meta-analyses of studies in the ICU showed that PN is not related to excess mortality but may even be associated with improved survival. CONCLUSIONS Optimising the increased substrate requirement for the critically ill by initiating timely nutrition support and ensuring tight glycaemic control with insulin is now considered central for improved intensive care outcomes. Supplemental PN combined with EN could be an effective alternative to achieve 100% of energy and protein targets at day 4, when EN alone fails to achieve goals greater than 60% by day 3. Whether such combined nutrition support provides additional benefit on overall outcome has to be ascertained in further studies.
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Affiliation(s)
- Claudia-Paula Heidegger
- Geneva University Hospital, Service of Intensive Care, Rue Micheli-du-Crest 24, 1211, Geneva 14, Switzerland.
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