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Aksu U, Ince C, Baasner S, Hermle J, Lupp C, Heckmann D, Nocken F, Westphal M. Manipulation of Nitric Oxide Levels via a Modified Hydroxyethyl Starch Molecule. J Surg Res 2023; 281:1-12. [PMID: 36095893 DOI: 10.1016/j.jss.2022.08.005] [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: 08/18/2021] [Revised: 07/04/2022] [Accepted: 08/16/2022] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Although the improving effect of nitric oxide (NO) donors has experimentally been demonstrated in shock, there are still no NO donor medications clinically available. Thiol-nitrosothiol-hydroxyethyl starch (S-NO-HES) is a novel molecule consisting of NO coupled to a thiolated derivative of hydroxyethyl starch (HES). It was aimed to assess the ability of S-NO-HES to serve as an NO donor under a variety of in vitro simulated physiologic conditions, which might be the first step to qualify this molecule as a novel type of NO donor-fluid. METHODS We studied the effect of temperature on NO-releasing properties of S-NO-HES in blood, at 34°C, 37°C, and 41°C. Ascorbic acid (Asc) and amylase were also tested in a medium environment. In addition, we evaluated the activity of S-NO-HES in the isolated aortic ring and Langendorff-perfused heart setup. RESULTS The NO release property of S-NO-HES was found at any temperature. Asc led to a significant increase in the production of NO compared to S-NO-HES incubation (P < 0.05). The addition of amylase together with Asc to the medium further increased the release of NO (P < 0.05). S-NO-HES exerted significant vasodilatory effects on phenylephrine precontracted aortic rings that were dose-dependent (P < 0.01). Furthermore, S-NO-HES significantly increased the heart rate and additionally reduced the duration of the cardiac action potential, as indicated by a reduction of QTc-B values (P < 0.01). CONCLUSIONS We demonstrated for the first time that the S-NO-HES molecule exhibited its NO-releasing effects. The effectiveness of this new NO donor to substitute NO deficiency under septic conditions or in other indications needs to be studied.
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Affiliation(s)
- Ugur Aksu
- Department of Biology, Faculty of Science, Istanbul University, Istanbul, Turkey.
| | - Can Ince
- Department of Translational Physiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Department of Intensive Care Medicine, Erasmus MC, University Medical Center, Rotterdam, Rotterdam, The Netherlands
| | - Silke Baasner
- Fresenius Kabi Deutschland GmbH, Bad Homburg, Germany
| | | | - Corinna Lupp
- Fresenius Kabi Deutschland GmbH, Bad Homburg, Germany
| | | | - Frank Nocken
- Fresenius Kabi Deutschland GmbH, Bad Homburg, Germany
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2
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Libert N, Laemmel E, Harrois A, Laitselart P, Bergis B, Isnard P, Terzi F, Decante B, Mercier O, Vicaut E, Duranteau J. Renal Microcirculation and Function in a Pig Model of Hemorrhagic Shock Resuscitation with Norepinephrine. Am J Respir Crit Care Med 2022; 206:34-43. [PMID: 35394403 DOI: 10.1164/rccm.202109-2120oc] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Norepinephrine (NE) is commonly used in combination with fluid during resuscitation of hemorrhagic shock, however its impact on kidney microcirculation, oxygenation and function is still unknown in this setting. OBJECTIVES During hemorrhagic shock resuscitation, does a combination of fluid and norepinephrine affect kidney oxygenation tension, kidney microcirculatory perfusion and 48-hour kidney function, as compared to fluid alone? METHODS Hemorrhagic shock was induced in 24 pigs and 8 pigs were included as sham. Resuscitation of hemorrhagic shock was performed, using a closed-loop device, either by fluid alone (0.9% NaCl, Fluid group) or associated with the administration of NE at two doses (moderate dose: mean rate of 0.64 µg.kg-1.min-1 and high dose: mean rate of 1.57 µg.kg-1.min-1) in order to obtain SAP (systolic arterial pressure) target of 80-90 mmHg. Resuscitation was followed by transfusion of the withdrawn blood. MEASUREMENTS AND MAIN RESULTS The amount of fluid required to reach SAP target was lower in NE groups than in Fluid group with subsequent less hemodilution. Norepinephrine restored kidney microcirculation, oxygenation, and function in a manner comparable to that achieved with fluid resuscitation alone. There were no histological differences among animals resuscitated with Fluid or with NE. CONCLUSION In pigs with hemorrhagic shock, resuscitation with a combination of NE and fluid restored kidney microcirculation and oxygenation, as well as renal function, in a manner comparable to fluid resuscitation alone and without differences between the two NE doses. NE administration led to a fluid volume sparing effect with subsequently less hemodilution.
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Affiliation(s)
- Nicolas Libert
- Hôpital d'instruction des armées Percy, Département d'anesthésie réanimation, Clamart, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Elisabeth Laemmel
- Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Anatole Harrois
- Hopital Bicetre, 41664, Anesthesiology and surgical intensive care, Le Kremlin-Bicetre, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Philippe Laitselart
- Hôpital d'instruction des armées Percy, Département d'anesthésie réanimation, Clamart, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Benjamin Bergis
- Hopital Bicetre, 41664, Anesthesiology and surgical intensive care, Le Kremlin-Bicetre, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Pierre Isnard
- Hopital Necker-Enfants Malades, 246596, Anatomy and Cytology Pathology, Paris, France
| | - Fabiola Terzi
- INSERM U1151, 554251, CNRS UMR 8253, Institut Necker Enfants Malades, Département , Paris, France
| | - Benoit Decante
- Hôpital Marie Lannelongue , Unité de recherche et d'innovation, Le Plessis Robinson, France
| | - Olaf Mercier
- Université Paris-Sud Faculté de Médecine, 89691, École de médecine, Le Kremlin-Bicetre, France.,INSERM UMR_S999, 130034, Département de chirurgie thoracique et vasculaire et transplantation cœur-poumon, DHU Thorax Innovation, LabEx LERMIT, Hôpital Marie Lannelongue, Le Plessis Robinson, France
| | - Eric Vicaut
- Assistance Publique - Hopitaux de Paris, 26930, Paris, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France
| | - Jacques Duranteau
- Bicêtre University Hospital, Anesthesia and Intensive Care Department, Le Kremlin-Bicêtre, France.,Université Paris 7 Denis Diderot, 555089, Laboratoire d'Étude de la Microcirculation, UMR 942, Paris, France;
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Effect of Polyethylene-glycolated Carboxyhemoglobin on Renal Microcirculation in a Rat Model of Hemorrhagic Shock. Anesthesiology 2020; 131:1110-1124. [PMID: 31490291 DOI: 10.1097/aln.0000000000002932] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Primary resuscitation fluid to treat hemorrhagic shock remains controversial. Use of hydroxyethyl starches raised concerns of acute kidney injury. Polyethylene-glycolated carboxyhemoglobin, which has carbon monoxide-releasing molecules and oxygen-carrying properties, was hypothesized to sustain cortical renal microcirculatory PO2 after hemorrhagic shock and reduce kidney injury. METHODS Anesthetized and ventilated rats (n = 42) were subjected to pressure-controlled hemorrhagic shock for 1 h. Renal cortical PO2 was measured in exposed kidneys using a phosphorescence quenching method. Rats were randomly assigned to six groups: polyethylene-glycolated carboxyhemoglobin 320 mg · kg, 6% hydroxyethyl starch (130/0.4) in Ringer's acetate, blood retransfusion, diluted blood retransfusion (~4 g · dl), nonresuscitated animals, and time control. Nitric oxide and heme oxygenase 1 levels were determined in plasma. Kidney immunohistochemistry (histologic scores of neutrophil gelatinase-associated lipocalin and tumor necrosis factor-α) and tubular histologic damages analyses were performed. RESULTS Blood and diluted blood restored renal PO2 to 51 ± 5 mmHg (mean difference, -18; 95% CI, -26 to -11; P < 0.0001) and 47 ± 5 mmHg (mean difference, -23; 95% CI, -31 to -15; P < 0.0001), respectively, compared with 29 ± 8 mmHg for hydroxyethyl starch. No differences between polyethylene-glycolated carboxyhemoglobin and hydroxyethyl starch were observed (33 ± 7 mmHg vs. 29 ± 8 mmHg; mean difference, -5; 95% CI, -12 to 3; P = 0.387), but significantly less volume was administered (4.5 [3.3-6.2] vs. 8.5[7.7-11.4] ml; mean rank difference, 11.98; P = 0.387). Blood and diluted blood increased the plasma bioavailability of nitric oxide compared with hydroxyethyl starch (mean rank difference, -20.97; P = 0.004; and -17.13; P = 0.029, respectively). No changes in heme oxygenase 1 levels were observed. Polyethylene-glycolated carboxyhemoglobin limited tubular histologic damages compared with hydroxyethyl starch (mean rank difference, 60.12; P = 0.0012) with reduced neutrophil gelatinase-associated lipocalin (mean rank difference, 84.43; P < 0.0001) and tumor necrosis factor-α (mean rank difference, 49.67; P = 0.026) histologic scores. CONCLUSIONS Polyethylene-glycolated carboxyhemoglobin resuscitation did not improve renal PO2 but limited tubular histologic damages and neutrophil gelatinase-associated lipocalin upregulation after hemorrhage compared with hydroxyethyl starch, whereas a lower volume was required to sustain macrocirculation.
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Abstract
Colloid solutions have been advocated for use in treating hypovolemia due to their expected effect on improving intravascular retention compared with crystalloid solutions. Because the ultimate desired effect of fluid resuscitation is the improvement of microcirculatory perfusion and tissue oxygenation, it is of interest to study the effects of colloids and crystalloids at the level of microcirculation under conditions of shock and fluid resuscitation, and to explore the potential benefits of using colloids in terms of recruiting the microcirculation under conditions of hypovolemia. This article reviews the physiochemical properties of the various types of colloid solutions (eg, gelatin, dextrans, hydroxyethyl starches, and albumin) and the effects that they have under various conditions of hypovolemia in experimental and clinical scenarios.
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Affiliation(s)
- Huaiwu He
- From the Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Dawei Liu
- From the Department of Critical Care Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China
| | - Can Ince
- Department of Translational Physiology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.,Department of Intensive Care, Erasmus MC, University Hospital Rotterdam, Rotterdam, the Netherlands
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Wang Y, Huang Y, Yang J, Zhou FQ, Zhao L, Zhou H. Pyruvate is a prospective alkalizer to correct hypoxic lactic acidosis. Mil Med Res 2018; 5:13. [PMID: 29695298 PMCID: PMC5918562 DOI: 10.1186/s40779-018-0160-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 04/05/2018] [Indexed: 12/12/2022] Open
Abstract
Type A lactic acidosis resulted from hypoxic mitochondrial dysfunction is an independent predictor of mortality for critically ill patients. However, current therapeutic agents are still in shortage and can even be harmful. This paper reviewed data regarding lactic acidosis treatment and recommended that pyruvate might be a potential alkalizer to correct type A lactic acidosis in future clinical practice. Pyruvate is a key energy metabolic substrate and a pyruvate dehydrogenase (PDH) activator with several unique beneficial biological properties, including anti-oxidant and anti-inflammatory effects and the ability to activate the hypoxia-inducible factor-1 (HIF-1α) - erythropoietin (EPO) signal pathway. Pyruvate preserves glucose metabolism and cellular energetics better than bicarbonate, lactate, acetate and malate in the efficient correction of hypoxic lactic acidosis and shows few side effects. Therefore, application of pyruvate may be promising and safe as a novel therapeutic strategy in hypoxic lactic acidosis correction accompanied with multi-organ protection in critical care patients.
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Affiliation(s)
- Ying Wang
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Ya Huang
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, 100850, China.,Department of Transfusion, Hainan Branch of PLA General Hospital, Sanya, 572013, Hainan, China
| | - Jing Yang
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, 100850, China
| | - Fang-Qiang Zhou
- Fresenius Dialysis Centers at Chicago, Rolling Meadows Facility, Chicago, IL, 60008, USA.,Shanghai Sandai Pharmaceutical R&D Co, Shanghai, 201203, China
| | - Lian Zhao
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, 100850, China.
| | - Hong Zhou
- Institute of Transfusion Medicine, Academy of Military Medical Sciences, Beijing, 100850, China.
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6
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Lee SH, Seo EH, Park HJ, Oh CS, Kim CL, Park S, Kim SH. The effects of crystalloid versus synthetic colloid in vitro on immune cells, co-cultured with mouse splenocytes. Sci Rep 2018; 8:4794. [PMID: 29555929 PMCID: PMC5859021 DOI: 10.1038/s41598-018-22981-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Accepted: 03/05/2018] [Indexed: 01/16/2023] Open
Abstract
This study assessed the effects of crystalloid versus synthetic colloid in vitro on immune cells co-cultured with mouse splenocytes. Mouse splenocytes were co-cultured with three different types of fluid: Plasma solution-A® (CJ HealthCare, Seoul, Korea; the crystalloid group); Tetraspan 6%® (B. Braun Medical, Melsungen, Germany; the Colloid-T group); and Volulyte 6%® (Fresenius Kabi, Bad Homburg vor dér-Höhe, Germany; Colloid-V group). To evaluate the acquired immune response, cluster of differentiation (CD) 4+ T cells and CD8+ T cells were measured. To evaluate the innate immune response, neutrophils were measured. The frequencies of CD4+ and CD8+ T cells did not differ significantly among the three groups on day 1 or 3. However, the frequencies of CD4+ and CD8+ T cells in the two synthetic colloid groups were significantly higher than those in the crystalloid group on day 7. On day 1, the frequency of neutrophils was significantly lower in the two synthetic colloid groups, compared with the crystalloid group. However, the values on the other days were similar among all three groups. In conclusion, crystalloid had a limited effect on the immune response; on the other hand, synthetic colloid increased the acquired immune response, although it temporarily inhibited the innate immune response.
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Affiliation(s)
- Seung Hyun Lee
- Department of Microbiology, Konkuk University School of Medicine, Seoul, Korea.,Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea
| | - Eun-Hye Seo
- BK21 Plus, Department of Cellular and Molecular Medicine, Konkuk University School of Medicine, Seoul, Korea
| | - Hyun Jun Park
- Department of Microbiology, Konkuk University School of Medicine, Seoul, Korea
| | - Chung-Sik Oh
- Department of Anesthesiology and Pain medicine, Konkuk University Medical Centre, Konkuk University School of Medicine, Seoul, Korea
| | - Cho Long Kim
- Department of Anesthesiology and Pain medicine, Konkuk University Medical Centre, Konkuk University School of Medicine, Seoul, Korea
| | - Sewon Park
- Department of Anesthesiology and Pain medicine, Konkuk University Medical Centre, Konkuk University School of Medicine, Seoul, Korea
| | - Seong-Hyop Kim
- Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea. .,Department of Anesthesiology and Pain medicine, Konkuk University Medical Centre, Konkuk University School of Medicine, Seoul, Korea. .,Department of Infection and Immunology, Konkuk University School of Medicine, Seoul, Korea.
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Pfortmueller CA, Kabon B, Schefold JC, Fleischmann E. Crystalloid fluid choice in the critically ill : Current knowledge and critical appraisal. Wien Klin Wochenschr 2018; 130:273-282. [PMID: 29500723 DOI: 10.1007/s00508-018-1327-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 02/11/2018] [Indexed: 12/24/2022]
Abstract
Intravenous infusion of crystalloid solutions is one of the most frequently administered medications worldwide. Available crystalloid infusion solutions have a variety of compositions and have a major impact on body systems; however, administration of crystalloid fluids currently follows a "one fluid for all" approach than a patient-centered fluid prescription. Normal saline is associated with hyperchloremic metabolic acidosis, increased rates of acute kidney injury, increased hemodynamic instability and potentially mortality. Regarding balanced infusates, evidence remains less clear since most studies compared normal saline to buffered infusion solutes.; however, buffered solutes are not homogeneous. The term "buffered solutes" only refers to the concept of acid-buffering in infusion fluids but this does not necessarily imply that the solutes have similar physiological impacts. The currently available data indicate that balanced infusates might have some advantages; however, evidence still is inconclusive. Taking the available evidence together, there is no single fluid that is superior for all patients and settings, because all currently available infusates have distinct differences, advantages and disadvantages; therefore, it seems inevitable to abandon the "one fluid for all" strategy towards a more differentiated and patient-centered approach to fluid therapy in the critically ill.
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Affiliation(s)
- Carmen A Pfortmueller
- Clinic for General Anesthesiology, Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria. .,Department of Intensive Care, Inselspital, Bern University Hospital, Bern, Switzerland.
| | - Barbara Kabon
- Clinic for General Anesthesiology, Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria
| | - Joerg C Schefold
- Department of Intensive Care, Inselspital, Bern University Hospital, Bern, Switzerland
| | - Edith Fleischmann
- Clinic for General Anesthesiology, Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria
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Abstract
Crystalloid infusion is widely employed in patient care for volume replacement and resuscitation. In the United States the crystalloid of choice is often normal saline. Surgeons and anesthesiologists have long preferred buffered solutions such as Ringer's Lactate and Plasma-Lyte A. Normal saline is the solution most widely employed in medical and pediatric care, as well as in hematology and transfusion medicine. However, there is growing concern that normal saline is more toxic than balanced, buffered crystalloids such as Plasma-Lyte and Lactated Ringer's. Normal saline is the only solution recommended for red cell washing, administration and salvage in the USA, but Plasma-Lyte A is also FDA approved for these purposes. Lactated Ringer's has been traditionally avoided in these applications due to concerns over clotting, but existing research suggests this is not likely a problem. In animal models and clinical studies in various settings, normal saline can cause metabolic acidosis, vascular and renal function changes, as well as abdominal pain in comparison with balanced crystalloids. The one extant randomized trial suggests that in very small volumes (2 l or less) normal saline is not more toxic than other crystalloids. Recent evidence suggests that normal saline causes substantially more in vitro hemolysis than Plasma-Lyte A and similar solutions during short term storage (24 hours) after washing or intraoperative salvage. There are now abundant data to raise concerns as to whether normal saline is the safest replacement solution in infusion therapy, red cell washing and salvage, apheresis and similar uses. In the USA, Plasma-Lyte A is also FDA approved for use with blood components and is likely a safer solution for these purposes. Its only disadvantage is a higher cost. Additional studies of the safety of normal saline for virtually all current clinical uses are needed. It seems likely that normal saline will eventually be abandoned in favor of safer, more physiologic crystalloid solutions in the coming years.
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Pfortmueller CA, Fleischmann E. Acetate-buffered crystalloid fluids: Current knowledge, a systematic review. J Crit Care 2016; 35:96-104. [PMID: 27481742 DOI: 10.1016/j.jcrc.2016.05.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 04/24/2016] [Accepted: 05/04/2016] [Indexed: 02/08/2023]
Abstract
INTRODUCTION The concept of fluid resuscitation with balanced solutions containing acetate is relatively new. The knowledge about acetate mostly originates from nephrological research, as acetate was primarily used as a dialysis buffer where much higher doses of acetate are infused. The aim of this review is to give an overview of the advantages and disadvantages of an acetate-buffered crystalloid fluid when compared with other crystalloid infusates. METHODS We report trials with the primary object of comparing an acetate-buffered infusion solute to another crystalloid infusate. A systematic literature search of MEDLINE and the Cochrane Controlled Clinical trials register was conducted to identify suitable studies. RESULTS The search strategy used produced 1205 potential titles. After eliminating doubles, 312 titles and abstracts were screened, and 31 references were retrieved for full-text analysis. A total of 27 scientific studies were included in the study. CONCLUSION Acetate-buffered crystalloid solutes do have a favorable influence on microcirculation. To what extent the acetate-buffered crystalloids influence kidney function is controversially discussed and not yet clear. Metabolic alkalosis did not occur in a single study in humans after an acetate-buffered infusate; potassium levels stayed stable in all studies. Cardiac output and contractility seem to be positively influenced; nonetheless, data on maintenance of a target blood pressure remain inconclusive. Whether acetate-buffered crystalloid fluids lead to lower rates of acute kidney injury and increased survival when compared with normal saline is yet unclear and may depend on the amount of fluid administered.
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Affiliation(s)
- Carmen A Pfortmueller
- Clinic for General Anesthesiology, Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria.
| | - Edith Fleischmann
- Clinic for General Anesthesiology, Intensive Care and Pain Management, Medical University of Vienna, Vienna, Austria.
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10
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Qureshi SH, Rizvi SI, Patel NN, Murphy GJ. Meta-analysis of colloids versus crystalloids in critically ill, trauma and surgical patients. Br J Surg 2015; 103:14-26. [DOI: 10.1002/bjs.9943] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Revised: 07/24/2015] [Accepted: 08/19/2015] [Indexed: 11/10/2022]
Abstract
Abstract
Background
There is uncertainty regarding the safety of different volume replacement solutions. The aim of this study was systematically to review evidence of crystalloid versus colloid solutions, and to determine whether these results are influenced by trial design or clinical setting.
Methods
PubMed, Embase and the Cochrane Central Register of Controlled Trials were used to identify randomized clinical trials (RCTs) that compared crystalloids with colloids as volume replacement solutions in patients with traumatic injuries, those undergoing surgery and in critically ill patients. Adjusted odds ratios (ORs) for mortality and major morbidity including renal injury were pooled using fixed-effect and random-effects models.
Results
Some 59 RCTs involving 16 889 patients were included in the analysis. Forty-one studies (69 per cent) were found to have selection, detection or performance bias. Colloid administration did not lead to increased mortality (32 trials, 16 647 patients; OR 0·99, 95 per cent c.i. 0·92 to 1·06), but did increase the risk of developing acute kidney injury requiring renal replacement therapy (9 trials, 11 648 patients; OR 1·35, 1·17 to 1·57). Sensitivity analyses that excluded small and low-quality studies did not substantially alter these results. Subgroup analyses by type of colloid showed that increased mortality and renal replacement therapy were associated with use of pentastarch, and increased risk of renal injury and renal replacement therapy with use of tetrastarch. Subgroup analysis indicated that the risks of mortality and renal injury attributable to colloids were observed only in critically ill patients with sepsis.
Conclusion
Current general restrictions on the use of colloid solutions are not supported by evidence.
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Affiliation(s)
- S H Qureshi
- University of Leicester, Clinical Sciences Wing, Glenfield General Hospital, Leicester, UK
| | - S I Rizvi
- Bristol Heart Institute, Bristol Royal Infirmary, Bristol, UK
| | - N N Patel
- National Heart and Lung Institute, Imperial College London, Hammersmith Hospital Campus, London, UK
| | - G J Murphy
- University of Leicester, Clinical Sciences Wing, Glenfield General Hospital, Leicester, UK
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Comparison of Malated Ringer's with Two Other Balanced Crystalloid Solutions in Resuscitation of Both Severe and Moderate Hemorrhagic Shock in Rats. BIOMED RESEARCH INTERNATIONAL 2015; 2015:151503. [PMID: 26106600 PMCID: PMC4461728 DOI: 10.1155/2015/151503] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 05/11/2015] [Accepted: 05/12/2015] [Indexed: 01/25/2023]
Abstract
In preclinical treatment of polytraumatized patients crystalloids are preferentially used. To avoid metabolic acidosis, metabolizable anions like lactate or acetate are used to replace chloride in these solutions. We here studied the effects of malated Ringer's in resuscitation of both shock severities in comparison to lactated and acetated Ringer's. Male Wistar rats underwent severe (mean arterial blood pressure (MAP) of 25–30 mmHg) or moderate (MAP 40–45 mmHg) hemorrhagic shock. Adjacent to the shock period animals were resuscitated with acetated (AR), lactated (LR), or malated Ringer's (MR) and observed for 150 min. MR improved survival compared with LR and AR in severe hemorrhagic shock whereas it was equally effective to LR and superior to AR in moderate hemorrhagic shock. In all other parameters tested, MR was also effective similar to the other solutions under these conditions. We conclude that MR is preferable to AR and LR in resuscitation of hemorrhagic shock independent of shock depth. The positive effects of MR may stem from the absence of any adverse impact on energy metabolism under both conditions.
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Ince C. The central role of renal microcirculatory dysfunction in the pathogenesis of acute kidney injury. Nephron Clin Pract 2014; 127:124-8. [PMID: 25343835 DOI: 10.1159/000363203] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Acute kidney injury (AKI) is a rapidly developing condition often associated with critical illness, with a high degree of morbidity and mortality, whose pathophysiology is ill understood. Recent investigations have identified the dysfunction of the renal microcirculation and its cellular and subcellular constituents as being central to the etiology of AKI. Injury is caused by inflammatory activation involving endothelial leucocyte interactions in combination with dysregulation of the homeostatis between oxygen, nitric oxide, and reactive oxygen species. Effective therapies expected to resolve AKI will have to control inflammation and restore this homeostasis. In order to apply and guide these therapies effectively, diagnostic tools aimed at physiological biomarkers of AKI for monitoring renal microcirculatory function in advance of changes in pharmacological biomarkers associated with structural damage of the kidney will need to be developed.
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Affiliation(s)
- Can Ince
- Department of Translational Physiology, Academic Medical Center, Amsterdam, The Netherlands
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13
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Bogren LK, Murphy CJ, Johnston EL, Sinha N, Serkova NJ, Drew KL. 1H-NMR metabolomic biomarkers of poor outcome after hemorrhagic shock are absent in hibernators. PLoS One 2014; 9:e107493. [PMID: 25211248 PMCID: PMC4161479 DOI: 10.1371/journal.pone.0107493] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 08/12/2014] [Indexed: 11/20/2022] Open
Abstract
Background Hemorrhagic shock (HS) following trauma is a leading cause of death among persons under the age of 40. During HS the body undergoes systemic warm ischemia followed by reperfusion during medical intervention. Ischemia/reperfusion (I/R) results in a disruption of cellular metabolic processes that ultimately lead to tissue and organ dysfunction or failure. Resistance to I/R injury is a characteristic of hibernating mammals. The present study sought to identify circulating metabolites in the rat as biomarkers for metabolic alterations associated with poor outcome after HS. Arctic ground squirrels (AGS), a hibernating species that resists I/R injury independent of decreased body temperature (warm I/R), was used as a negative control. Methodology/principal findings Male Sprague-Dawley rats and AGS were subject to HS by withdrawing blood to a mean arterial pressure (MAP) of 35 mmHg and maintaining the low MAP for 20 min before reperfusing with Ringers. The animals’ temperature was maintained at 37±0.5°C for the duration of the experiment. Plasma samples were taken immediately before hemorrhage and three hours after reperfusion. Hydrophilic and lipid metabolites from plasma were then analyzed via 1H–NMR from unprocessed plasma and lipid extracts, respectively. Rats, susceptible to I/R injury, had a qualitative shift in their hydrophilic metabolic fingerprint including differential activation of glucose and anaerobic metabolism and had alterations in several metabolites during I/R indicative of metabolic adjustments and organ damage. In contrast, I/R injury resistant AGS, regardless of season or body temperature, maintained a stable metabolic homeostasis revealed by a qualitative 1H–NMR metabolic profile with few changes in quantified metabolites during HS-induced global I/R. Conclusions/significance An increase in circulating metabolites indicative of anaerobic metabolism and activation of glycolytic pathways is associated with poor prognosis after HS in rats. These same biomarkers are absent in AGS after HS with warm I/R.
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Affiliation(s)
- Lori K. Bogren
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, United States of America
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States of America
- * E-mail:
| | - Carl J. Murphy
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, United States of America
| | - Erin L. Johnston
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, United States of America
| | - Neeraj Sinha
- Centre of Biomedical Research, SGPGIMS Campus, Lucknow, Uttar Pradesh, India
| | - Natalie J. Serkova
- Department of Anesthesiology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
- University of Colorado Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO, United States of America
| | - Kelly L. Drew
- Department of Chemistry and Biochemistry, University of Alaska Fairbanks, Fairbanks, AK, United States of America
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States of America
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14
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Ince C, Groeneveld ABJ. The case for 0.9% NaCl: is the undefendable, defensible? Kidney Int 2014; 86:1087-95. [PMID: 25007167 DOI: 10.1038/ki.2014.193] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2013] [Revised: 01/07/2014] [Accepted: 01/31/2014] [Indexed: 12/12/2022]
Abstract
Although 0.9% NaCl solution is by far the most-used fluid for fluid therapy in resuscitation, it is difficult to find a paper advocating its use over other types of crystalloid solutions. Literature on the deleterious effects of 0.9% NaCl has accumulated over the last decade, but critical appraisal of alternative crystalloid solutions is lacking. As such, the literature seems to suggest that 0.9% NaCl should be avoided at all costs, whereas alternative crystalloid solutions can be used without scrutiny. The basis of this negative evaluation of 0.9% NaCl is almost exclusively its effect on acid-base homeostasis, whereas the potentially deleterious effects present in other types of crystalloids are neglected. We have the challenging task of defending the use of 0.9% NaCl and reviewing its positive attributes, while an accompanying paper will argue against the use of 0.9% NaCl. It is challenging because of the large amount of literature, including our own, showing adverse effects of 0.9% NaCl. We will discuss why 0.9% NaCl solution is the most frequently used resuscitation fluid. Although it has some deleterious effects, all fluids share common features of concern. As such the emphasis on fluid resuscitation should be on volume rather than on composition and should be accompanied by a physiological assessment of the impact of fluids. In this paper, we hope to discuss the context within which fluids, specifically 0.9% NaCl, can be given in a safe and effective manner.
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Affiliation(s)
- Can Ince
- Department of Intensive Care, Erasmus MC University Hospital Rotterdam, Rotterdam, The Netherlands
| | - A B Johan Groeneveld
- Department of Intensive Care, Erasmus MC University Hospital Rotterdam, Rotterdam, The Netherlands
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15
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Effects of fluid resuscitation with 0.9% saline versus a balanced electrolyte solution on acute kidney injury in a rat model of sepsis*. Crit Care Med 2014; 42:e270-8. [PMID: 24335444 DOI: 10.1097/ccm.0000000000000145] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To compare the acute effects of 0.9% saline versus a balanced electrolyte solution on acute kidney injury in a rat model of sepsis. DESIGN Controlled laboratory experiment. SETTING University laboratory. SUBJECTS Sixty adult, male Sprague-Dawley rats. INTERVENTIONS We induced sepsis by cecal ligation and puncture and randomized animals to receive fluid resuscitation with either 0.9% saline or Plasma-Lyte solution for 4 hours after 18 hours of cecal ligation and puncture (10 mL/kg in the first hour and 5 mL/kg in the next 3 hr). Blood and urine specimens were obtained from baseline, 18 hours after cecal ligation and puncture, immediately after 4 hours fluid resuscitation, and 24 hours later. We measured blood gas, plasma electrolytes, creatinine, interleukin-6, cystatin C, and neutrophil gelatinase-associated lipocalin concentrations. We also analyzed urine for cystatin C and neutrophil gelatinase-associated lipocalin. We used Risk, Injury, Failure, Loss and End-stage criteria for creatinine to assess severity of acute kidney injury. We observed all animals for survival up to 1 day after resuscitation. Surviving animals were killed for kidney histology. Finally, we carried out an identical study in 12 healthy animals. MEASUREMENTS AND MAIN RESULTS Compared with Plasma-Lyte, 0.9% saline resuscitation resulted in significantly greater blood chloride concentrations (p < 0.05) and significantly decreased pH and base excess. Acute kidney injury severity measured by RIFLE criteria was increased with 0.9% saline compared with Plasma-Lyte resuscitation (p < 0.05), and these results were consistent with kidney histology and biomarkers of acute kidney injury. Twenty-four-hour survival favored Plasma-Lyte resuscitation (76.6% vs 53.3%; p = 0.03). Finally, in healthy animals, we found no differences between fluids and no evidence of acute kidney injury. CONCLUSION Volume resuscitation with Plasma-Lyte resulted in less acidosis and less kidney injury and improved short-term survival when compared with 0.9% saline in this experimental animal model of sepsis.
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16
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Teloh JK, Ferenz KB, Petrat F, Mayer C, de Groot H. Acid-base and electrolyte status during normovolemic hemodilution with succinylated gelatin or HES-containing volume replacement solutions in rats. PLoS One 2013; 8:e72848. [PMID: 24023785 PMCID: PMC3759408 DOI: 10.1371/journal.pone.0072848] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 07/15/2013] [Indexed: 11/25/2022] Open
Abstract
Background In the past, several studies have compared different colloidal replacement solutions, whereby the focus was usually on the respective colloid. We therefore systematically studied the influence of the carrier solution’s composition of five approved colloidal volume replacement solutions (Gelafundin, Gelafusal, Geloplasma, Voluven and Volulyte) on acid-base as well as electrolyte status during and following acute severe normovolemic hemodilution. The solutions differed in the colloid used (succinylated gelatin vs. HES) and in the presence and concentration of metabolizable anions as well as in their electrolyte composition. Methods Anesthetized Wistar rats were subjected to a stepwise normovolemic hemodilution with one of the solutions until a final hematocrit of 10%. Subsequent to dilution (162 min), animals were observed for an additional period (150 min). During dilution and observation time blood gas analyses were performed eight times in total. Additionally, in the Voluven and Volulyte groups as well as in 6 Gelafundin animals, electrolyte concentrations, glucose, pH and succinylated gelatin were measured in urine and histopathological evaluation of the kidney was performed. Results All animals survived without any indications of injury. Although the employed solutions differed in their respective composition, comparable results in all plasma acid-base and electrolyte parameters studied were obtained. Plasma pH increased from approximately 7.28 to 7.39, the plasma K+ concentration decreased from circa 5.20 mM to 4.80-3.90 mM and the plasma Cl− concentration rose from approximately 105 mM to 111–120 mM. Urinary analysis revealed increased excretion of K+, H+ and Cl−. Conclusions The present data suggest that the carrier solution’s composition with regard to metabolizable anions as well as K+, Ca2+ only has a minor impact on acid-base and electrolyte status after application of succinylated gelatin or HES-containing colloidal volume replacement solutions.
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Affiliation(s)
- Johanna K. Teloh
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
| | - Katja B. Ferenz
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
| | - Frank Petrat
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
| | - Christian Mayer
- University of Duisburg-Essen, Institute of Physical Chemistry, Essen, Germany
| | - Herbert de Groot
- University of Duisburg-Essen, Institute of Physiological Chemistry, University Hospital Essen, Essen, Germany
- * E-mail:
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17
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Li T, Zhu Y, Tian K, Xue M, Peng X, Lan D, Liu L. Ideal resuscitation pressure for uncontrolled hemorrhagic shock in different ages and sexes of rats. Crit Care 2013; 17:R194. [PMID: 24020401 PMCID: PMC4264615 DOI: 10.1186/cc12888] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2012] [Revised: 05/24/2013] [Accepted: 09/10/2013] [Indexed: 11/11/2023] Open
Abstract
INTRODUCTION Our previous studies demonstrated that 50-60 mmHg mean arterial blood pressure was the ideal target hypotension for uncontrolled hemorrhagic shock during the active hemorrhage in sexually mature rats. The ideal target resuscitation pressure for immature and older rats has not been determined. METHODS To elucidate this issue, using uncontrolled hemorrhagic-shock rats of different ages and sexes (6 weeks, 14 weeks and 1.5 years representing pre-adult, adult and older rats, respectively), the resuscitation effects of different target pressures (40, 50, 60, 70 and 80 mmHg) on uncontrolled hemorrhagic shock during active hemorrhage and the age and sex differences were observed. RESULTS Different target resuscitation pressures had different resuscitation outcomes for the same age and sex of rats. The optimal target resuscitation pressures for 6-week-old, 14-week-old and 1.5-year-old rats were 40 to 50 mmHg, 50 to 60 mmHg and 70 mmHg respectively. Ideal target resuscitation pressures were significantly superior to other resuscitation pressures in improving the hemodynamics, blood perfusion, organ function and animal survival of uncontrolled hemorrhagic-shock rats (P < 0.01). For same target resuscitation pressures, the beneficial effect on hemorrhagic shock had a significant age difference (P < 0.01) but no sex difference (P > 0.05). Different resuscitation pressures had no effect on coagulation function. CONCLUSION Hemorrhagic-shock rats at different ages have different target resuscitation pressures during active hemorrhage. The ideal target resuscitation hypotension for 6-week-old, 14-week-old and 1.5-year-old rats was 40 to 50 mmHg, 50 to 60 mmHg and 70 mmHg, respectively. Their resuscitation effects have significant age difference but had no sex difference.
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Affiliation(s)
- Tao Li
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Yu Zhu
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Kunlun Tian
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Mingying Xue
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Xiaoyong Peng
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Dan Lan
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
| | - Liangming Liu
- State Key Laboratory of Trauma, Burns and Combined Injury, Second Department of
Research Institute of Surgery, Daping Hospital, Third Military Medical University,
Chongqing 400042, P.R. China
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