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Citrate AND anticoagulation

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https://www.readbyqxmd.com/read/28538441/hyperlactatemia-lactate-kinetics-and-prediction-of-citrate-accumulation-in-critically-ill-patients-undergoing-continuous-renal-replacement-therapy-with-regional-citrate-anticoagulation
#1
Dmytro Khadzhynov, Annette Dahlinger, Christin Schelter, Harm Peters, Detlef Kindgen-Milles, Klemens Budde, Lukas Johannes Lehner, Fabian Halleck, Oliver Staeck, Torsten Slowinski
OBJECTIVES: Citrate accumulation is a major complication of regional citrate anticoagulation during continuous renal replacement therapy. We studied the prediction of citrate accumulation during continuous veno-venous hemodialysis with regional citrate anticoagulation by initial lactate concentrations and lactate kinetics. DESIGN: A retrospective follow-up analysis from a cohort of critically ill patients. SETTING: Mixed medical-surgical ICUs at a university hospital...
May 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28535516/citrate-anticoagulation-during-continuous-renal-replacement-therapy
#2
Davide Ricci, Laura Panicali, Maria Grazia Facchini, Elena Mancini
During extracorporeal dialysis, some anticoagulation strategy is necessary to prevent the coagulation of blood. Heparin has historically been used as an anticoagulant because of its efficacy combined with low cost. However, a variable incidence of hemorrhagic complications (5-30%) has been documented in patients undergoing continuous renal replacement therapy (CRRT) with heparin as an anticoagulant. Citrate has anticoagulation properties secondary to its ability to chelate calcium, which is necessary for the coagulation cascade...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28509350/high-sodium-continuous-veno-venous-hemodialysis-with-regional-citrate-anticoagulation-and-online-dialysate-generation-in-patients-with-acute-liver-failure-and-cerebral-edema
#3
Tamim Hamdi, Lenar Yessayan, Jerry Yee, Balazs Szamosfalvi
INTRODUCTION: Acute liver failure is associated with a high mortality rate. Induction of plasma hypertonicity with mannitol or hypertonic saline remains the cornerstone in the management of resultant cerebral edema. Significant disadvantages of this approach include poor or unpredictable control of serum sodium concentration and volume expansion, among others. METHODS: We used high sodium continuous veno-venous hemodialysis with regional citrate anticoagulation and online dialysate generation to accurately control the serum sodium in eleven patients with acute liver failure, renal failure, and cerebral edema...
May 16, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28498319/ctc-mrna-ar-v7-analysis-from-blood-samples-impact-of-blood-collection-tube-and-storage-time
#4
Alison W S Luk, Yafeng Ma, Pei N Ding, Francis P Young, Wei Chua, Bavanthi Balakrishnar, Daniel T Dransfield, Paul de Souza, Therese M Becker
Circulating tumour cells (CTCs) are an emerging resource for monitoring cancer biomarkers. New technologies for CTC isolation and biomarker detection are increasingly sensitive, however, the ideal blood storage conditions to preserve CTC-specific mRNA biomarkers remains undetermined. Here we tested the preservation of tumour cells and CTC-mRNA over time in common anticoagulant ethylene-diamine-tetra-acetic acid (EDTA) and acid citrate dextrose solution B (Citrate) blood tubes compared to preservative-containing blood tubes...
May 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28485027/membrane-therapeutic-plasma-exchange-with-and-without-heparin-anticoagulation
#5
Bruna Brunetta Gavranić, Nikolina Bašić-Jukić, Vedran Premužić, Petar Kes
BACKGROUND: Administration of an anticoagulant during therapeutic plasma exchange (TPE) is necessary to avoid circuit clotting and impaired treatment effectiveness. Citrate is the preferred anticoagulant for apheresis worldwide, and unfractionated heparin (UH) is the second most preferred, yet there are only a few published studies regarding the use of UH during TPE. There are even fewer studies regarding the use of low-molecular-weight heparin (LMWH) and TPE performed without anticoagulation...
May 9, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28482382/-application-of-improved-regional-citrate-anticoagulation-in-continuous-hemofiltration-in-children
#6
K Bai, C J Liu, Y Q Fu, F Xu
Objective: To investigate the application of regional citrate anticoagulation with calcium hemofiltration basic solution in continuous hemofiltration in children. Method: The clinical data of 18 patients with citrate anticoagulation in continuous hemofiltration in children, excluding the hepatic failure and septic shock cases, were analyzed retrospectively, from September 2015 to August 2016 in Intensive Care Unit of the Children's Hospital of Chongqing Medical University.The commercial calcium hemofiltration basic solution was used as displacement liquid ...
May 4, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28481865/effect-of-hemodilution-in-vitro-with-hydroxyethyl-starch-on-hemostasis
#7
Shanliang Jin, Guifang Yu, Ruijiao Hou, Boxiong Shen, Hong Jiang
BACKGROUND Hydroxyethyl starch (HES) solutions are used for volume expansion during surgery. We aimed to investigate how 6%HES 130/0.4 affects hemostasis. MATERIAL AND METHODS Blood samples were collected from 12 healthy adult volunteers, diluting with 6%HES 130/0.4 (HES group) or Ringer lactate solution (RL control group). The hemodilution ratio (HR) of citrated blood volume to plasma substitute volume was 10: 0 (undiluted), 10: 2, 10: 4, and 10: 6. Clotting factors activity was measured. Thrombin generation was monitored...
May 8, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28468893/continuous-renal-replacement-therapy-a-potential-source-of-calories-in-the-critically-ill
#8
Andrea M New, Erin M Nystrom, Erin Frazee, John J Dillon, Kianoush B Kashani, John M Miles
Background: Overfeeding can lead to multiple metabolic and clinical complications and has been associated with increased mortality in the critically ill. Continuous venovenous hemofiltration (CVVH) represents a potential source of calories that is poorly recognized and may contribute to overfeeding complications.Objective: We aimed to quantify the systemic caloric contribution of acid-citrate-dextrose regional anticoagulation and dextrose-containing replacement fluids in the CVVH circuit.Design: This was a prospective study in 10 critically ill adult patients who received CVVH from April 2014 to June 2014...
May 3, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28462134/new-4-substituted-benzoyl-%C3%AE-d-glycoside-from-the-fruit-pulp-of-terminalia-belerica-with-antiplatelet-and-antioxidant-potency
#9
Vaseem Ahmad Ansari, Muhammad Arif, Md Sarfaraj Hussain, Hefazat Hussain Siddiqui, Rakesh Kumar Dixit
BACKGROUND: The fruit Terminalia belerica is a rich source of vitamins, acids, and nutraceuticals which have free radical scavenging activity. Thus, the ethanolic extract of fruit and its isolated compound (Tb-01) were intended to estimate antiplatelet and antioxidant activities. METHODS: The ethanolic extract was submitted to Si-gel CC and the compound was isolated. The compound Tb-01 was characterized as benzoyl-β-D-(4'→10″ geranilanoxy)-pyranosides on the basis of spectral data [ultra violet (UV), infrared (IR), (1)H nuclear magnetic resonance (NMR), (13)C NMR, and Mass Spectroscopy] and chemical analyses...
December 2016: Integr Med Res
https://www.readbyqxmd.com/read/28457369/safety-and-efficacy-of-citrate-anticoagulation-for-continuous-renal-replacement-therapy-for-acute-kidney-injury-after-liver-transplantation-a-single-center-experience
#10
N Pertica, L Cicciarella, A Carraro, U Montin, P Violi, A Lupo, G Zaza
BACKGROUND: Acute kidney injury (AKI) after liver transplantation (LT) is a frequent and serious complication. The incidence of AKI requiring continuous renal replacement therapy (CRRT) ranges from 10% to 30%. Kidney Disease: Improving Global Outcomes guidelines indicate the use of citrate as a locoregional anticoagulant drug for CRRT regardless of the patient's hemorrhagic risk. Despite this indication, however, the use of citrate is still under debate in patients with liver failure and/or LT owing to the potential risk of plasmatic citrate accumulation due to reduced liver clearance...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28446315/-research-on-relation-of-platelet-aggregation-rate-with-platelet-concentration-in-platelet-rich-plasma
#11
Song-Mei Han, Wen-Li Liao, Shuai Yu
OBJECTIVE: To explore the effect of platelet concentration in platelet-rich plasma (PRP)' on platelet aggregation rate, to determine the allowed range of inducer adenosine diphosphate (ADP: 5.0 µmol/L, ADP: 1.5 µmol/L) and arachidonic acid (AA: 500.0 µg/ml) for platelet concentration in platelet aggregation rate. METHODS: The venous blood samples of 72 healthy persons with citrate anticoagulation were selected and divided into groups, every 12 cases were mixed for each group...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28442516/in-vitro-study-of-the-thrombogenic-activity-of-platelet-derived-microparticles-from-patients-with-acute-coronary-syndrome
#12
Muyesai Nijiati, Abulijiang Saidaming, Li Guoqing
BACKGROUND: To observe the thrombogenic activity of platelet-derived microparticles (PMPs) in PMP-free plasma from non-coronary artery disease (non-CAD) patients and explore the relationship between PMPs and thrombosis in acute coronary syndrome (ACS) patients. METHODS: Patients with ACS who were diagnosed at the outpatient department of cardiology in the People's Hospital of Xinjiang Uygur Autonomous Region, and non-CAD subjects were enrolled in the study from January 2011 to December 2014...
March 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28431600/assessment-of-on-treatment-platelet-reactivity-and-relationship-with-cerebral-micro-embolic-signals-in-asymptomatic-and-symptomatic-carotid-stenosis
#13
Justin A Kinsella, W Oliver Tobin, Sean Tierney, Timothy M Feeley, Bridget Egan, Tara Coughlan, D Ronan Collins, Desmond O'Neill, Joseph A Harbison, Colin P Doherty, Prakash Madhavan, Dermot J Moore, Sean M O'Neill, Mary-Paula Colgan, Maher Saqqur, Raymond P Murphy, Niamh Moran, George Hamilton, Dominick J H McCabe
INTRODUCTION: The relationship between on-treatment platelet reactivity and cerebral micro-embolic signals (MES) is unknown, and has not been previously simultaneously assessed in asymptomatic and symptomatic carotid stenosis patients. METHODS: Consecutive eligible patients with ≥50% asymptomatic or recently symptomatic carotid stenosis (≤4weeks following TIA/ischaemic stroke) were recruited to this pilot study. Symptomatic patients were followed up to the 'late' phase (≥3months) following symptom onset or carotid intervention; longitudinal data were analysed from symptomatic patients with data available at both time-points...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431568/a-case-report-of-severe-calciphylaxis-suggested-approach-for-diagnosis-and-treatment
#14
Margret Patecki, Gabriele Lehmann, Jan Hinrich Bräsen, Jessica Schmitz, Anna Bertram, Lars Daniel Berthold, Hermann Haller, Wilfried Gwinner
BACKGROUND: Calciphylaxis is a serious complication in patients with chronic kidney disease associated mineral and bone disorder. It can occur in conditions with low and high bone turnover. So far, there are no definite diagnostic and therapeutic guidelines which may prevent the devastating outcome in many calciphylaxis patients. We report a case which clearly illustrates that knowledge of the underlying bone disorder is essential for a directed treatment. Based on this experience we discuss a systematic diagnostic and therapeutic approach in patients with calciphylaxis...
April 21, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28411369/comparison-of-equine-platelet-function-and-survival-in-whole-blood-collected-in-acid-citrate-dextrose-solution-or-citrate-phosphate-dextrose-adenine-solution
#15
Rana Bozorgmanesh, Julie W Sutton-Burges, Fern Tablin
BACKGROUND: Equine whole blood collection and storage methods have been evaluated to assess red blood cell viability; however, platelet (PLT) viability has not been comprehensively assessed. OBJECTIVES: The purpose of the study was to compare viability of PLTs collected in whole blood into 2 different anticoagulants. METHODS: Whole blood from 6 healthy adult Thoroughbred horses was collected into citrate-phosphate-dextrose-adenine (CPDA) or acid-citrate-dextrose (ACD)...
April 14, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28407129/a-noninferiority-trial-comparing-a-heparin-grafted-membrane-plus-citrate-containing-dialysate-versus-regional-citrate-anticoagulation-results-of-the-cited-study
#16
Björn Meijers, Christoph Metalidis, Thomas Vanhove, Ruben Poesen, Dirk Kuypers, Pieter Evenepoel
Background.: Anticoagulation is a prerequisite for successful haemodialysis. Heparin and low-molecular weight heparins are routinely used despite increased bleeding risk. Regional citrate anticoagulation (RCA) is efficacious, but is laborious and may induce metabolic disturbances. Heparin-grafted membranes are less efficacious. It is not known whether combining citrate-containing dialysate and a heparin-grafted membrane is a valid anticoagulation strategy. Methods.: We performed a randomized crossover noninferiority trial, with a prespecified noninferiority threshold of 10% in maintenance dialysis patients ( n  = 25)...
April 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28395656/citrate-shows-protective-effects-on-cardiovascular-and-renal-function-in-ischemia-induced-acute-kidney-injury
#17
Anja Bienholz, Jonas Reis, Pinar Sanli, Herbert de Groot, Frank Petrat, Hana Guberina, Benjamin Wilde, Oliver Witzke, Fuat H Saner, Andreas Kribben, Joel M Weinberg, Thorsten Feldkamp
BACKGROUND: Ischemia and reperfusion (I/R) is one of the major causes of acute kidney injury (AKI). Citrate reduces hypoxia-induced mitochondrial energetic deficits in isolated proximal tubules. Moreover, citrate anticoagulation is now frequently used in renal replacement therapy. In the present study a rat model of I/R-induced AKI was utilized to examine renal protection by citrate in vivo. METHODS: AKI was induced by bilateral renal clamping (40 min) followed by reperfusion (3 h)...
April 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28372501/hyperlactatemia-predicts-citrate-intolerance-with-regional-citrate-anticoagulation-during-continuous-renal-replacement-therapy
#18
Jia-Neng Tan, Sabrina Wong Peixin Haroon, Amartya Mukhopadhyay, Titus Lau, Tanusya M Murali, Jason Phua, Zong-Yao Tan, Nicholas Lee, Horng-Ruey Chua
PURPOSE: We aim to determine whether hyperlactatemia, which suggests multi-organ dysfunction and impaired organic substrate metabolism, may predict intolerance to regional citrate anticoagulation (RCA) during continuous venovenous hemofiltration (CVVH). METHODS: We performed a single-center, retrospective observational study in critically ill patients with acute kidney injury or end-stage renal disease and evaluated the association of peak serum lactate levels with citrate intolerance (CI) during the initial 72 hours of RCA-CVVH, defined by serum total-to-ionized calcium >2...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28370161/metabolomics-comparison-of-red-cells-stored-in-four-additive-solutions-reveals-differences-in-citrate-anticoagulant-permeability-and-metabolism
#19
Ó Rolfsson, Ó E Sigurjonsson, M Magnusdottir, F Johannsson, G Paglia, S Guðmundsson, A Bordbar, S Palsson, S Brynjólfsson, S Guðmundsson, B Palsson
BACKGROUND AND OBJECTIVES: Metabolomics studies have revealed transition points in metabolic signatures of red cells during storage in SAGM, whose clinical significance is unclear. We set out to investigate whether these transition points occur independent of storage media and define differences in the metabolism of red cells in additive solutions. MATERIALS AND METHODS: Red cell concentrates were stored in SAGM, AS-1, AS-3 or PAGGSM, and sampled fourteen times spanning Day 1-46...
March 31, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28362859/impact-of-experimental-hypercalcemia-on-routine-haemostasis-testing
#20
Giuseppe Lippi, Gian Luca Salvagno, Giorgio Brocco, Matteo Gelati, Elisa Danese, Emmanuel J Favaloro
BACKGROUND: The blood to anticoagulant ratio is standardized according to the physiological calcium concentration in blood samples conventionally used for hemostasis testing. Specifically, one fixed volume of 0.109 mmol/L sodium citrate is added to 9 volumes of blood. Since little is known about the impact of hypercalcemia on the calcium-binding capacity of citrate, this study was planned to investigate the effect of experimental hypercalcemia on routine hemostasis testing. METHODS: Fifteen pooled citrated plasmas with matching lithium-heparin pooled plasma from patients with different values of prothrombin time (PT) were divided in three aliquots of 0...
2017: PloS One
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