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Sabatino A, Fiaccadori E, Barazzoni R, Carrero JJ, Cupisti A, De Waele E, Jonckheer J, Cuerda C, Bischoff SC. ESPEN practical guideline on clinical nutrition in hospitalized patients with acute or chronic kidney disease. Clin Nutr 2024; 43:2238-2254. [PMID: 39178492 DOI: 10.1016/j.clnu.2024.08.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2024] [Accepted: 08/02/2024] [Indexed: 08/25/2024]
Abstract
BACKGROUND AND AIMS Hospitalized patients often have acute kidney disease (AKD) or chronic kidney disease (CKD), with important metabolic and nutritional consequences. Moreover, in case kidney replacement therapy (KRT) is started, the possible impact on nutritional requirements cannot be neglected. On this regard, the present guideline aims to provide evidence-based recommendations for clinical nutrition in hospitalized patients with KD. METHODS The standard operating procedure for ESPEN guidelines was used. Clinical questions were defined in both the PICO format, and organized in subtopics when needed, and in non-PICO questions for the more general topics. The literature search was from January 1st, 1999 until January 1st, 2020. Each question led to one or more recommendation/statement and related commentaries. Existing evidence was graded, as well as recommendations and statements were developed and agreed upon in a multistage consensus process. RESULTS The present guideline provides 32 evidence-based recommendations and 8 statements, defining how to assess nutritional status, how to define patients at risk, how to choose the route of feeding, and how to integrate nutrition with KRT. In the final online voting, a strong consensus was reached in 84% at least of recommendations and 100% of statements. CONCLUSION The presence of KD in hospitalized patients identifies a highly heterogeneous group of subjects with widely varying nutrient needs and intakes. Considering the high nutritional risk related with this clinical condition, an individualized approach consisting of nutritional status evaluation and monitoring, frequent evaluation of nutritional requirements, and careful integration with KRT should be planned to avoid both underfeeding and overfeeding. Practical recommendations and statements were developed, aiming at defining suggestions for everyday clinical practice in the individualization of nutritional support in this patient setting. Literature areas with scarce or without evidence were also identified, thus requiring further basic or clinical research.
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Affiliation(s)
- Alice Sabatino
- Division of Renal Medicine, Baxter Novum. Department of Clinical Science, Intervention and Technology. Karolinska Institute, Stockholm, Sweden.
| | - Enrico Fiaccadori
- Nephrology Unit, Parma University Hospital, & Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Rocco Barazzoni
- Internal Medicine, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | - Adamasco Cupisti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Elisabeth De Waele
- Department of Intensive Care Medicine, Universitair Ziekenhuis Brussel, Department of Clinical Nutrition, Vitality Research Group, Faculty of Medicine and Pharmacy, Vrije Unversiteit Brussel (VUB), Brussels, Belgium
| | - Joop Jonckheer
- Department of intensive Care Medicine, University Hospital Brussel (UZB), Brussels, Belgium; Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel (VUB), Brussel, Belgium
| | - Cristina Cuerda
- Nutrition Unit, Hospital General Universitario Gregorio Marañon, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain; Department of Medicine. Universidad Complutense. Madrid, Spain
| | - Stephan C Bischoff
- Institute of Nutritional Medicine, University of Hohenheim, Stuttgart, Germany
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Abstract
Acid-base disorders are common in the intensive care unit. By utilizing a systematic approach to their diagnosis, it is easy to identify both simple and mixed disturbances. These disorders are divided into four major categories: metabolic acidosis, metabolic alkalosis, respiratory acidosis, and respiratory alkalosis. Metabolic acidosis is subdivided into anion gap and non-gap acidosis. Distinguishing between these is helpful in establishing the cause of the acidosis. Anion gap acidosis, caused by the accumulation of organic anions from sepsis, diabetes, alcohol use, and numerous drugs and toxins, is usually present on admission to the intensive care unit. Lactic acidosis from decreased delivery or utilization of oxygen is associated with increased mortality. This is likely secondary to the disease process, as opposed to the degree of acidemia. Treatment of an anion gap acidosis is aimed at the underlying disease or removal of the toxin. The use of therapy to normalize the pH is controversial. Non-gap acidoses result from disorders of renal tubular H + transport, decreased renal ammonia secretion, gastrointestinal and kidney losses of bicarbonate, dilution of serum bicarbonate from excessive intravenous fluid administration, or addition of hydrochloric acid. Metabolic alkalosis is the most common acid-base disorder found in patients who are critically ill, and most often occurs after admission to the intensive care unit. Its etiology is most often secondary to the aggressive therapeutic interventions used to treat shock, acidemia, volume overload, severe coagulopathy, respiratory failure, and AKI. Treatment consists of volume resuscitation and repletion of potassium deficits. Aggressive lowering of the pH is usually not necessary. Respiratory disorders are caused by either decreased or increased minute ventilation. The use of permissive hypercapnia to prevent barotrauma has become the standard of care. The use of bicarbonate to correct the acidemia is not recommended. In patients at the extreme, the use of extracorporeal therapies to remove CO 2 can be considered.
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Affiliation(s)
- Anand Achanti
- Internal Medicine/Nephrology, Medical University of South Carolina, Charleston, South Carolina
| | - Harold M. Szerlip
- Internal Medicine/Nephrology, Medical University of South Carolina, Charleston, South Carolina
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Li P, Huang Y, Wong A. An analysis of non-nutritive calories from propofol, dextrose, and citrate among critically ill patients receiving continuous renal replacement therapy. JPEN J Parenter Enteral Nutr 2022; 46:1883-1891. [PMID: 35589384 DOI: 10.1002/jpen.2405] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/10/2022] [Accepted: 05/16/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Propofol, dextrose, and citrate infusions are necessary treatment modalities in the intensive care units (ICUs). They are, however, a potential source of non-nutritive calories (NNCs) which may cause over-feeding and adverse complications. The literature surrounding the role of NNCs is limited. We aimed to examine the energy contribution of NNCs. Our secondary aim is to assess the nutritional impact of NNCs, especially among patients receiving continuous renal replacement therapy (CRRT). MATERIALS /METHODS We enrolled 177 mechanically ventilated patients admitted to medical-surgical ICUs from August to December 2019. Patients were monitored over the first 7 days of admission. Infusion rates of EN/PN and NNCs, as well as clinical characteristics, were examined. Patients receiving CRRT were compared to those without. RESULTS In total, 24% received additional energy from citrate. Patients received a maximum of 331kcal from citrate, 492kcal from propofol, and 992kcal from dextrose per ICU day. CRRT-group achieved higher total energy on the first two days (Day 1 - 55.1% vs. 46.4%; p=0.008, Day 2 - 73.2% vs. 55.4%, p=0.025). They also received higher mean NNCs on all days, except for Day 1 (p=0.068). CONCLUSION NNCs, especially citrate, are significant sources of energy. Patients receiving CRRT may have greater nutritional risk. There should be close monitoring and adaption of energy prescription accordingly to prevent over-feeding. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Priscilla Li
- Department of Dietetics and Food Services, Changi General Hospital, Singapore
| | - Yingxiao Huang
- Department of Dietetics and Food Services, Changi General Hospital, Singapore
| | - Alvin Wong
- Department of Dietetics and Food Services, Changi General Hospital, Singapore
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Jonckheer J, Van Hoorn A, Oshima T, De Waele E. Bioenergetic Balance of Continuous Venovenous Hemofiltration, a Retrospective Analysis. Nutrients 2022; 14:nu14102112. [PMID: 35631253 PMCID: PMC9143940 DOI: 10.3390/nu14102112] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 02/05/2023] Open
Abstract
(1) Background: Nutrition therapy guided by indirect calorimetry (IC) is the gold standard and is associated with lower morbidity and mortality in critically ill patients. When performing IC during continuous venovenous hemofiltration (CVVH), the measured VCO2 should be corrected for the exchanged CO2 to calculate the ‘true’ Resting Energy Expenditure (REE). After the determination of the true REE, the caloric prescription should be adapted to the removal and addition of non-intentional calories due to citrate, glucose, and lactate in dialysis fluids to avoid over- and underfeeding. We aimed to evaluate this bioenergetic balance during CVVH and how nutrition therapy should be adapted. (2) Methods: This post hoc analysis evaluated citrate, glucose, and lactate exchange. Bioenergetic balances were calculated based on these values during three different CVVH settings: low dose with citrate, high dose with citrate, and low dose without citrate. The caloric load of these non-intentional calories during a CVVH-run was compared to the true REE. (3) Results: We included 19 CVVH-runs. The bioenergetic balance during the low dose with citrate was 498 ± 110 kcal/day (range 339 to 681 kcal/day) or 26 ± 9% (range 14 to 42%) of the true REE. During the high dose with citrate, it was 262 ± 222 kcal/day (range 56 to 262 kcal/day) or 17 ± 11% (range 7 to 32%) of the true REE. During the low dose without citrate, the bioenergetic balance was −189 ± 77 kcal/day (range −298 to −92 kcal/day) or −13 ± 8% (range −28 to −5%) of the true REE. (4) Conclusions: Different CVVH settings resulted in different bioenergetic balances ranging from −28% up to +42% of the true REE depending on the CVVH fluids chosen. When formulating a caloric prescription during CVVH, an individual approach considering the impact of these non-intentional calories is warranted.
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Affiliation(s)
- Joop Jonckheer
- Department of Critical Care, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Jette, Belgium;
- Correspondence:
| | - Alex Van Hoorn
- Department of Critical Care, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Jette, Belgium;
| | - Taku Oshima
- Emergency and Critical Care Medicine, Graduate School of Medicine, Chiba University, 1-8-1 Inohana Chuo-ku, Chiba City 260-8677, Japan;
| | - Elisabeth De Waele
- Departement of Nutrition, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, 1090 Jette, Belgium;
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Methodological Aspects of Indirect Calorimetry in Patients with Sepsis-Possibilities and Limitations. Nutrients 2022; 14:nu14050930. [PMID: 35267903 PMCID: PMC8912694 DOI: 10.3390/nu14050930] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 12/13/2022] Open
Abstract
The aim of the review was to analyse the challenges of using indirect calorimetry in patients with sepsis, including the limitations of this method. A systematic review of the literature was carried out. The analysis concerned the methodology and presentation of research results. In most studies assessing energy expenditure, energy expenditure was expressed in kcal per day (n = 9) and as the mean and standard deviation (n = 7). Most authors provided a detailed measurement protocol, including measurement duration (n = 10) and device calibration information (n = 7). Ten papers provided information on the day of hospitalisation when the measurements were obtained, nine on patient nutrition, and twelve on the criteria for inclusion and exclusion of participants from the study. Small study group sizes and study at a single centre were among the most cited limitations. Studies assessing energy expenditure in patients with sepsis by indirect calorimetry differ in the methodology and presentation of results, and their collective analysis is difficult. A meta-analysis of the results could enable multi-site and large patient evaluation. Standardisation of protocols and presentation of all collected data would enable their meta-analysis, which would help to achieve greater knowledge about metabolism in sepsis.
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Leypoldt JK, Kurz J, Echeverri J, Storr M, Harenski K. Targeting arterial partial pressure of carbon dioxide in acute respiratory distress syndrome patients using extracorporeal carbon dioxide removal. Artif Organs 2021; 46:677-687. [PMID: 34817074 DOI: 10.1111/aor.14127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/06/2021] [Accepted: 11/08/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND A retrospective analysis of SUPERNOVA trial data showed that reductions in tidal volume to ultraprotective levels without significant increases in arterial partial pressure of carbon dioxide (PaCO2 ) for critically ill, mechanically ventilated patients with acute respiratory distress syndrome (ARDS) depends on the rate of extracorporeal carbon dioxide removal (ECCO2 R). METHODS We used a whole-body mathematical model of acid-base balance to quantify the effect of altering carbon dioxide (CO2 ) removal rates using different ECCO2 R devices to achieve target PaCO2 levels in ARDS patients. Specifically, we predicted the effect of using a new, larger surface area PrismaLung+ device instead of the original PrismaLung device on the results from two multicenter clinical studies in critically ill, mechanically ventilated ARDS patients. RESULTS After calibrating model parameters to the clinical study data using the PrismaLung device, model predictions determined optimal extracorporeal blood flow rates for the PrismaLung+ and mechanical ventilation frequencies to obtain target PaCO2 levels of 45 and 50 mm Hg in mild and moderate ARDS patients treated at a tidal volume of 3.98 ml/kg predicted body weight (PW). Comparable model predictions showed that reductions in tidal volumes below 6 ml/kg PBW may be difficult for acidotic highly severe ARDS patients with acute kidney injury and high CO2 production rates using a PrismaLung+ device in-series with a continuous venovenous hemofiltration device. CONCLUSIONS The described model provides guidance on achieving target PaCO2 levels in mechanically ventilated ARDS patients using protective and ultraprotective tidal volumes when increasing CO2 removal rates from ECCO2 R devices.
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Affiliation(s)
- John K Leypoldt
- Department IV-Modeling and Supporting of Internal Functions, Nalecz Institute of Biocybernetics and Biomedical Engineering Polish Academy of Sciences, Warsaw, Poland
| | - Jörg Kurz
- Medical Affairs, Baxter Deutschland GmbH, Unterschleissheim, Germany
| | - Jorge Echeverri
- Medical Affairs, Baxter Healthcare Corporation, Deerfield, Illinois, USA
| | - Markus Storr
- Research and Development, Baxter International, Hechingen, Germany
| | - Kai Harenski
- Medical Affairs, Baxter Deutschland GmbH, Unterschleissheim, Germany
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Zhou Z, Kuang H, Ma Y, Zhang L. Application of extracorporeal therapies in critically ill COVID-19 patients. J Zhejiang Univ Sci B 2021; 22:701-717. [PMID: 34514751 PMCID: PMC8435342 DOI: 10.1631/jzus.b2100344] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic is a major public health event caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 has spread widely all over the world. A high proportion of patients become severely or critically ill, and suffer high mortality due to respiratory failure and multiple organ dysfunction. Therefore, providing timely and effective treatment for critically ill patients is essential to reduce overall mortality. Convalescent plasma therapy and pharmacological treatments, such as aerosol inhalation of interferon-α (IFN-α), corticosteroids, and tocilizumab, have all been applied in clinical practice; however, their effects remain controversial. Recent studies have shown that extracorporeal therapies might have a potential role in treating critically ill COVID-19 patients. In this review, we examine the application of continuous renal replacement therapy (CRRT), therapeutic plasma exchange (TPE), hemoadsorption (HA), extracorporeal membrane oxygenation (ECMO), and extracorporeal carbon dioxide removal (ECCO2R) in critically ill COVID-19 patients to provide support for the further diagnosis and treatment of COVID-19.
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Affiliation(s)
- Zhifeng Zhou
- Department of Nephrology, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Huang Kuang
- Renal Division, Peking University First Hospital, Peking University Institute of Nephrology, Key Laboratory of Renal Disease, Ministry of Health of China, Beijing 100034, China
| | - Yuexian Ma
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
| | - Ling Zhang
- Department of Nephrology, Kidney Research Institute, West China Hospital, Sichuan University, Chengdu 610041, China.
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Bicarbonate Dialysis (Using a Bicarbonate of 16 mmol) Results in CO2 Removal at Rates Comparable With Existing Low-Flow Extracorporeal CO2 Removal-Is the Use of Diffusion and Convection Association to Increase CO2 Removal a Fact or a Fiction? Crit Care Med 2021; 49:e475-e476. [PMID: 33731633 DOI: 10.1097/ccm.0000000000004839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Leypoldt JK, Kurz J, Echeverri J, Storr M, Harenski K. Modeling acid-base balance for in-series extracorporeal carbon dioxide removal and continuous venovenous hemofiltration devices. Artif Organs 2021; 45:1036-1049. [PMID: 33909323 DOI: 10.1111/aor.13969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/10/2021] [Accepted: 04/02/2021] [Indexed: 01/03/2023]
Abstract
Patients with acute respiratory distress syndrome and acute kidney injury (AKI) treated by kidney replacement therapy may also require treatment with extracorporeal carbon dioxide removal (ECCO2 R) devices to permit protective or ultraprotective mechanical ventilation. We developed a mathematical model of acid-base balance during extracorporeal therapy using ECCO2 R and continuous venovenous hemofiltration (CVVH) devices applied in series for the treatment of mechanically ventilated AKI patients. Published data from clinical studies of mechanically ventilated AKI patients treated by CVVH at known infusion rates of substitution fluid without ECCO2 R were used to adjust the model parameters to fit plasma levels of arterial partial pressure of carbon dioxide (PaCO2 ), arterial plasma bicarbonate concentration ([HCO3 ]), and plasma pH (as well as certain other unmeasured physiological variables). The effects of applying ECCO2 R at an unchanged and a reduced tidal volume on PaCO2 , [HCO3 ] and plasma pH were then simulated assuming carbon dioxide removal rates from the ECCO2 R device measured in the clinical studies. Agreement of such model predictions with clinical data was good whether the ECCO2 R device was positioned proximal or distal to the CVVH device in the extracorporeal circuit. Although carbon dioxide removal rates from the ECCO2 R device measured in one previous clinical study were higher when it was placed proximal to the CVVH device, suggesting that such in-series positioning was optimal, the current mathematical model demonstrates that proximal positioning of the ECCO2 R device also results in lower bicarbonate (and, therefore, total carbon dioxide) removal from the distal CVVH device. Thus, the removal of total carbon dioxide by such extracorporeal circuits is relatively independent of the position of the in-series devices. It is concluded that the described mathematical model has quantitative accuracy; these results suggest that the overall acid-base balance when using ECCO2 R and CVVH devices in a single extracorporeal circuit will be similar, independent of their in-series position.
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Affiliation(s)
- John K Leypoldt
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland
| | - Jörg Kurz
- Medical Affairs, Baxter Deutschland GmbH, Unterschleissheim, Germany
| | - Jorge Echeverri
- Medical Affairs, Baxter Healthcare Corporation, Deerfield, IL, USA
| | - Markus Storr
- Research and Development, Baxter International, Hechingen, Germany
| | - Kai Harenski
- Medical Affairs, Baxter Deutschland GmbH, Unterschleissheim, Germany
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Cove ME, Kellum JA. The authors reply. Crit Care Med 2021; 49:e476-e477. [PMID: 33731634 DOI: 10.1097/ccm.0000000000004903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Matthew E Cove
- Division of Respiratory Medicine and Critical Care, Department of Medicine, Yong Loo Lin School of Medicine, National University Singapore, Singapore
| | - John A Kellum
- Department of Critical Care, Center for Critical Care Nephrology, Clinical Research Investigation and Systems Modeling of Acute Illness (CRISMA) Center, University of Pittsburgh Medical Center, Pittsburgh, PA
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11
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Ronco C, Reis T. Continuous renal replacement therapy and extended indications. Semin Dial 2021; 34:550-560. [PMID: 33711166 DOI: 10.1111/sdi.12963] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 01/16/2023]
Abstract
Extracorporeal blood purification (EBP) techniques provide support for critically ill patients with single or multiple organ dysfunction. Continuous renal replacement therapy (CRRT) is the modality of choice for kidney support for those patients and orchestrates the interactions between the different artificial organ support systems. Intensive care teams should be familiar with the concept of sequential extracorporeal therapy and plan on how to incorporate new treatment modalities into their daily practices. Importantly, scientific evidence should guide the decision-making process at the bedside and provide robust arguments to justify the costs of implementing new EBP treatments. In this narrative review, we explore the extended indications for CRRT as an adjunctive treatment to provide support for the heart, lung, liver, and immune system. We detail practicalities on how to run the treatments and how to tackle the most frequent complications regarding each of the therapies, whether applied alone or integrated. The physicochemical processes and technologies involved at the molecular level encompassing the interactions between the molecules, membranes, and resins are spotlighted. A clinical case will illustrate the timing for the initiation, maintenance, and discontinuation of EBP techniques.
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Affiliation(s)
- Claudio Ronco
- Department of Medicine (DIMED), University of Padova, Padova, Italy.,Department of Nephrology, Dialysis and Transplantation, International Renal Research Institute of Vicenza (IRRIV), San Bortolo Hospital, Vicenza, Italy.,National Academy of Medicine, Young Leadership Physicians Program, Rio de Janeiro, Brazil
| | - Thiago Reis
- Department of Nephrology, Dialysis and Transplantation, International Renal Research Institute of Vicenza (IRRIV), San Bortolo Hospital, Vicenza, Italy.,Department of Nephrology, Clínica de Doenças Renais de Brasília, Molecular Pharmacology Laboratory, University of Brasília, Brasilia, Brazil
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Fiaccadori E, Sabatino A, Barazzoni R, Carrero JJ, Cupisti A, De Waele E, Jonckheer J, Singer P, Cuerda C. ESPEN guideline on clinical nutrition in hospitalized patients with acute or chronic kidney disease. Clin Nutr 2021; 40:1644-1668. [PMID: 33640205 DOI: 10.1016/j.clnu.2021.01.028] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Acute kidney disease (AKD) - which includes acute kidney injury (AKI) - and chronic kidney disease (CKD) are highly prevalent among hospitalized patients, including those in nephrology and medicine wards, surgical wards, and intensive care units (ICU), and they have important metabolic and nutritional consequences. Moreover, in case kidney replacement therapy (KRT) is started, whatever is the modality used, the possible impact on nutritional profiles, substrate balance, and nutritional treatment processes cannot be neglected. The present guideline is aimed at providing evidence-based recommendations for clinical nutrition in hospitalized patients with AKD and CKD. Due to the significant heterogeneity of this patient population as well as the paucity of high-quality evidence data, the present guideline is to be intended as a basic framework of both evidence and - in most cases - expert opinions, aggregated in a structured consensus process, in order to update the two previous ESPEN Guidelines on Enteral (2006) and Parenteral (2009) Nutrition in Adult Renal Failure. Nutritional care for patients with stable CKD (i.e., controlled protein content diets/low protein diets with or without amino acid/ketoanalogue integration in outpatients up to CKD stages four and five), nutrition in kidney transplantation, and pediatric kidney disease will not be addressed in the present guideline.
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Affiliation(s)
- Enrico Fiaccadori
- Nephrology Unit, Parma University Hospital, & Department of Medicine and Surgery, University of Parma, Parma, Italy.
| | - Alice Sabatino
- Nephrology Unit, Parma University Hospital, & Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Rocco Barazzoni
- Internal Medicine, Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Juan Jesus Carrero
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Adamasco Cupisti
- Nephrology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Elisabeth De Waele
- Intensive Care, University Hospital Brussels (UZB), Department of Nutrition, UZ Brussel, Faculty of Medicine and Pharmacy, Vrije Unversiteit Brussel (VUB), Bruxelles, Belgium
| | | | - Pierre Singer
- General Intensive Care Department and Institute for Nutrition Research, Rabin Medical Center, Beilinson Hospital, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Cristina Cuerda
- Nutrition Unit, Hospital General Universitario Gregorio Marañon, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
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Modeling acid-base balance during continuous kidney replacement therapy. J Clin Monit Comput 2021; 36:179-189. [PMID: 33389356 DOI: 10.1007/s10877-020-00635-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 12/10/2020] [Indexed: 10/22/2022]
Abstract
Clinical studies have suggested that use of bicarbonate-containing substitution and dialysis fluids during continuous kidney replacement therapy may result in excessive increases in the carbon dioxide concentration of blood; however, the technical parameters governing such changes are unclear. The current work used a mathematical model of acid-base chemistry of blood to predict its composition within and exiting the extracorporeal circuit during continuous veno-venous hemofiltration (CVVH) and continuous veno-venous hemodiafiltration (CVVHDF). Model predictions showed that a total substitution fluid infusion rate of 2 L/h (33% predilution) with a bicarbonate concentration of 32 mEq/L during CVVH at a blood flow rate of 200 mL/min resulted in only modest increases in plasma bicarbonate concentration by 2.0 mEq/L and partial pressure of dissolved carbon dioxide by 4.4 mmHg in blood exiting the extracorporeal circuit. The relative increase in bicarbonate concentration (9.7%) was similar to that in partial pressure of dissolved carbon dioxide (8.2%), resulting in no significant change in plasma pH in the blood exiting the CVVH circuit. The changes in plasma acid-base levels were larger with a higher infusion rate of substitution fluid but smaller with a higher blood flow rate or use of substitution fluid with a lower bicarbonate concentration (22 mEq/L). Under comparable flow conditions and substitution fluid composition, model predicted changes in acid-base levels during CVVHDF were similar, but smaller, than those during CVVH. The described mathematical model can predict the effect of operating conditions on acid-base balance within and exiting the extracorporeal circuit during continuous kidney replacement therapy.
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Jonckheer J, Demol J, Lanckmans K, Malbrain M, Spapen H, De Waele E. MECCIAS trial: Metabolic consequences of continuous veno-venous hemofiltration on indirect calorimetry. Clin Nutr 2020; 39:3797-3803. [DOI: 10.1016/j.clnu.2020.04.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 04/02/2020] [Accepted: 04/13/2020] [Indexed: 12/13/2022]
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Hölzel C, Weidhase L, Petros S. The effect of age and body mass index on energy expenditure of critically ill medical patients. Eur J Clin Nutr 2020; 75:464-472. [PMID: 32939043 PMCID: PMC7493296 DOI: 10.1038/s41430-020-00747-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/21/2020] [Accepted: 09/04/2020] [Indexed: 12/13/2022]
Abstract
Background Data on the influence of age and body mass index (BMI) on energy metabolism of the critically ill are heterogeneous. Due to the increasingly aging critically ill population, investigation on age- and BMI-specific energy metabolism is relevant. Methods A total of 394 indirect calorimetry measurements were conducted on 348 critically ill adult medical patients, including 46 repeat measurements after 3.6 ± 4.3 days. Measured resting energy expenditure (MREE) was compared for age groups, BMI, and gender. Predicted energy expenditure (PEE) using the Penn State, Swinamer, and Ireton-Jones equations and the ACCP recommendations was also compared with MREE. Results The patients were 65.6 ± 14.5 years old. Their mean Acute Physiology and Chronic Health Evaluation II score was 27.6 ± 7.8. Mean BMI was 27.8 ± 8.4 kg/m2, and 25.6% were obese. MREE adjusted for ideal body weight decreased with increasing age, while it increased with increasing BMI. Age, BMI, and gender are independent determinants of MREE after adjusting for clinical factors (R2 = 0.34). All four prediction equations showed a proportional bias, with the Penn State equation performing acceptably. In 46 patients with repeat indirect calorimetry, there was no significant difference between the first and second MREE (p = 0.62). Conclusions Age, BMI, and gender are independent determinants of resting energy expenditure in critically ill adults. Variations between measured and predicted energy expenditure are considerable. Should prediction equations be used, their performance in the specific population should be taken into consideration. Repeat indirect calorimetry may not always be necessary. However, this may depend on the length of stay and the extent of stress.
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Affiliation(s)
| | | | - Sirak Petros
- Medical ICU, University Hospital Leipzig, Leipzig, Germany.
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Jonckheer J, Spapen H, Debain A, Demol J, Diltoer M, Costa O, Lanckmans K, Oshima T, Honoré PM, Malbrain M, De Waele E. Correction to: CO 2 and O 2 removal during continuous veno-venous hemofiltration: a pilot study. BMC Nephrol 2019; 20:312. [PMID: 31395021 PMCID: PMC6686544 DOI: 10.1186/s12882-019-1480-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Joop Jonckheer
- Intensive Care, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium.
| | - Herbert Spapen
- Intensive Care, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Aziz Debain
- Geriatrics, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Joy Demol
- Department of Nutrition, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Marc Diltoer
- Intensive Care, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Olivier Costa
- Department of Clinical Laboratory, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Katrien Lanckmans
- Department of Clinical Laboratory, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Taku Oshima
- Emergency and Critical Care Medicine, Chiba University Graduate School of Medicine, 1-8-1 Inohana Chuo-ku, Chiba City, 260-8677, Japan
| | - Patrick M Honoré
- Intensive Care, CHU Brugmann, A. Van Gehuchtenplein 4, 1020, Brussel, Belgium
| | - Manu Malbrain
- Intensive Care, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium
| | - Elisabeth De Waele
- Intensive Care, UZ Brussel, Laarbeeklaan 101, 1090, Jette, Belgium.,Department of Nutrition, Laarbeeklaan 101, 1090, Jette, Belgium
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