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Hydroxyethyl starch

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https://www.readbyqxmd.com/read/29780258/influence-of-different-ex-vivo-cell-culture-methods-on-the-proliferation-and-anti-tumor-activity-of-cytokine-induced-killer-cells-from-gastric-cancer-patients
#1
Bin Shi, Aixia Sun, Xiaorui Zhang
Purpose: In cytokine-induced killer (CIK) cell therapy, the phenotypes and the numbers of CIK cells have a great influence on the therapeutic effects. This study aimed to investigate the effects of different ex vivo cell culture methods on the proliferation and cytotoxicity of CIK cells that were obtained from gastric cancer patients. Patients and methods: CIK precursor (Pre-CIK) cells were collected by either hydroxyethyl starch (HES) sedimentation (HES method, unpurified group) or Ficoll-Hypaque density gradient centrifugation (Ficoll method, purified group)...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29746307/erythropoietin-mimetic-peptides-and-erythropoietin-fusion-proteins-for-treating-anemia-of-chronic-kidney-disease
#2
Nupur Gupta, Jay B Wish
PURPOSE OF REVIEW: First generation erythropoiesis stimulating agents (ESAs) have short duration of action which requires administration once weekly or greater. Second generation ESAs were developed which have longer duration of action and can be administered one to two times monthly. Erythropoietin (EPO) mimetic peptides (EMPs) activate the EPO receptor but have no structural analogy to EPO, offering the potential for lower cost as they are not biologic drugs. The first approved EMP, peginesatide, was withdrawn from the market within a year of its approval because of fatal anaphylactic reactions...
May 4, 2018: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29728805/large-volume-crystalloid-fluid-is-associated-with-increased-hyaluronan-shedding-and-inflammation-in-a-canine-hemorrhagic-shock-model
#3
Lisa Smart, C J Boyd, M A Claus, E Bosio, G Hosgood, A Raisis
Shedding of the endothelial glycocalyx precedes leukocyte activation and adherence in acute inflammation. Rapid administration of crystalloid or colloid fluids for treating hemorrhagic shock may cause endothelial glycocalyx shedding, thereby increasing inflammation. This study aimed to compare the effect of different fluid treatments in a canine shock model on glycocalyx biomarker, hyaluronan, and inflammatory biomarkers. Greyhound dogs under general anesthesia subject to hemorrhage for 60 min were given 20 mL kg-1 of either fresh whole blood (FWB), hydroxyethyl starch (HES) 130/0...
May 4, 2018: Inflammation
https://www.readbyqxmd.com/read/29728756/postoperative-renal-function-in-parturients-with-severe-preeclampsia-who-underwent-cesarean-delivery-a-retrospective-observational-study
#4
Yusuke Mazda, Motoshi Tanaka, Katsuo Terui, Sayuri Nagashima, Rie Inoue
Although postoperative renal dysfunction is relatively rare after cesarean delivery, preeclampsia is considered as the high-risk population. On the other hand, hydroxyethyl starch (HES) administration for preventing maternal hypotension induced by spinal anesthesia for cesarean delivery is a common practice. However, the effect of HES administration during cesarean delivery on postoperative kidney function in parturients with severe preeclampsia is not well investigated. We retrospectively reviewed both medical and anesthesia records of patients with severe preeclampsia who underwent cesarean delivery from January 2011 to December 2013...
May 4, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29716625/6-hydroxyethyl-starch-hes-130-0-4-diminishes-glycocalyx-degradation-and-decreases-vascular-permeability-during-systemic-and-pulmonary-inflammation-in-mice
#5
Andreas Margraf, Jan M Herter, Katharina Kühne, Anika Stadtmann, Thomas Ermert, Manuel Wenk, Melanie Meersch, Hugo Van Aken, Alexander Zarbock, Jan Rossaint
BACKGROUND: Increased vascular permeability is a pathophysiological hallmark of sepsis and results in increased transcapillary leakage of plasma fluid, hypovolemia, and interstitial edema formation. 6% hydroxyethyl starch (HES 130/0.4) is commonly used to treat hypovolemia to maintain adequate organ perfusion and oxygen delivery. The present study was designed to investigate the effects of 6% HES 130/0.4 on glycocalyx integrity and vascular permeability in lipopolysaccharide (LPS)-induced pulmonary inflammation and systemic inflammation in mice...
May 1, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29703051/balanced-10-hydroxyethyl-starch-compared-with-balanced-6-hydroxyethyl-starch-and-balanced-crystalloid-using-a-goal-directed-hemodynamic-algorithm-in-pancreatic-surgery-a-randomized-clinical-trial
#6
Julia Werner, Oliver Hunsicker, Anja Schneider, Henryk Stein, Christian von Heymann, Adrian Freitag, Aarne Feldheiser, Klaus-Dieter Wernecke, Claudia Spies
BACKGROUND: While hydroxyethyl starch (HES) solutions are not recommended any longer in critically ill patients, data on efficacy and safety during surgery are still limited. METHODS: In a randomized controlled trial 63 patients were assigned to receive 10% HES (130/0.42), 6% HES (130/0.42), or crystalloid within a goal-directed hemodynamic algorithm during pancreatic surgery. The primary endpoints were intraoperative volume of HES and time until fully on oral diet...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29702553/cytokine-and-chemokine-recovery-is-increased-by-colloid-perfusates-during-dermal-microdialysis
#7
Sven R Quist, Claudia Kirbs, Charlotte Kloft, Harald P Gollnick
Cytokines and chemokines play important roles in cell signalling, and microdialysis is a promising tool for monitoring these inflammation markers ex vivo. Therefore, the collecting of these mediators at the highest concentrations possible is crucial. Depending on the size of the mediator of interest, the collection of these high molecular mass molecules has thus far been difficult due to their low recovery, even when using high cut-off (100 kDa) microdialysis membranes. This study aimed to optimize the recovery of various cytokines and chemokines by validating the use of different perfusates in cutaneous microdialysis, and comparing intravenous (i...
April 27, 2018: Materials
https://www.readbyqxmd.com/read/29692610/preparation-characterization-and-systemic-application-of-self-assembled-hydroxyethyl-starch-nanoparticles-loaded-flavonoid-morin-for-hyperuricemia-therapy
#8
Jianbo Li, Yang Yang, Likang Lu, Qiujin Ma, Jinjie Zhang
Background: Morin, one of the most widely distributed flavonoids in plants, has been identified as a potent antihyperuricemic agent. Its poor water solubility and fast in vivo clearance, however, have limited its application in the treatment of hyperuricemia. In this study, a novel amphiphilic polymer (hydroxyethyl starch-deoxycholic acid [HES-DOCA]) was synthesized to overcome these limitations. Methods: HES-DOCA conjugates with various substitution degrees were prepared by chemical grafting DOCA to HES through ester formation...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29692217/assessing-feasibility-and-safety-of-hydroxyethyl-starch-as-priming-solution-of-cardiopulmonary-bypass
#9
Gui-Zhen Yang, Fu-Shan Xue, Hui-Xian Li, Ya-Yang Liu
No abstract text is available yet for this article.
April 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29684990/acid-base-alterations-during-major-abdominal-surgery-6-hydroxyethyl-starch-infusion-versus-5-albumin
#10
Hyun Jeong Kwak, Oh Kyung Lim, Jae Myung Baik, Youn Yi Jo
Background: To compare the effects of intraoperative infusions of balanced electrolyte solution (BES)-based hydroxyethyl starch (HES) and saline-based albumin on metabolic acidosis and acid/base changes during major abdominal surgery conducted using Stewart's approach. Methods: Forty patients, aged 20-65 years, undergoing major abdominal surgery, were randomly assigned to the HES group (n = 20; received 500 ml of BES-based 6% HES 130/0.4) or the albumin group (n = 20; received 500 ml of normal saline-based 5% albumin)...
April 24, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29683376/reply-to-assessing-feasibility-and-safety-of-hydroxyethyl-starch-as-priming-solution-of-cardiopulmonary-bypass
#11
Ø S Svendsen, M Farstad, A Mongstad, R Haaverstad, P Husby, V L Kvalheim
No abstract text is available yet for this article.
April 1, 2018: Perfusion
https://www.readbyqxmd.com/read/29627628/early-administration-of-hypertonic-hyperoncotic-hydroxyethyl-starch-hyperhes-improves-cerebral-blood-flow-and-outcome-after-experimental-subarachnoid-hemorrhage-in-rats
#12
Nadine Lilla, Christoph Rinne, Judith Weiland, Thomas Linsenmann, Ralf-Ingo Ernestus, Thomas Westermaier
OBJECTIVE: Early cytotoxic brain edema may be one decisive factor which maintains a vicious of cerebral malperfusion after subarachnoid hemorrhage (SAH). In addition, endothelial cell swelling may be an independent factor restricting cerebral blood flow (CBF) in a very early stage after SAH. Immediate and aggressive treatment may be able to restore CBF in this critical period. MATERIALS AND METHODS: Male Sprague-Dawley rats were subjected to SAH by the endovascular filament model and treated by a bolus of hyperoncotic-hypertonic hydroxyethyl starch (HyperHES 4 ml/kg body weight) immediately after vessel perforation and 150 min later (n = 12) or by the same amount of normal saline (n = 9)...
April 5, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29605028/pyruvate-as-a-novel-carrier-of-hydroxyethyl-starch-130-0-4-may-protect-kidney-in-rats-subjected-to-severe-burns
#13
Sen Hu, Yue-Long Dai, Ming-Juan Gao, Xiao-Na Wang, Hai-Bin Wang, Yong-Qi Dou, Xiao-Dong Bai, Fang-Qiang Zhou
BACKGROUND: The carrier of hydroxyethyl starch (HES) may play a critical role in kidney injury in fluid resuscitation. This study aimed mainly to compare effects of pyruvate-enriched saline with normal saline (NS) and acetate Ringer's (AR) solution as a carrier in HES130/0.4 on kidney function in rats subjected to severe burns. METHODS: Using a lethal burn model, 140 rats were randomly allocated in seven groups (n = 20): sham group (group S); no fluid after burn (group N); burn resuscitated with NS (group NS); burn resuscitated with pyruvate saline (group PS); burn resuscitated with AR plus pyruvate-HES (group SP); burn resuscitated with AR plus acetate-HES (group SA), and burn resuscitated with AR plus NS-HES (group SN)...
May 2018: Journal of Surgical Research
https://www.readbyqxmd.com/read/29572534/the-effects-of-hydroxyethyl-starch-and-gelatine-on-pulmonary-cytokine-production-and-oedema-formation
#14
Julia Krabbe, Nadine Ruske, Till Braunschweig, Svetlana Kintsler, Jan W Spillner, Thomas Schröder, Sebastian Kalverkamp, Stephanie Kanzler, Annette D Rieg, Stefan Uhlig, Christian Martin
Recently, side effects of plasma expanders like hydroxyethyl starch and gelatine gained considerable attention. Most studies have focused on the kidneys; lungs remain unconsidered. Isolated mouse lungs were perfused for 4 hours with buffer solutions based on hydroxyethyl starch (HES) 130/0.4, HES 200/0.5 or gelatine and ventilated with low or high pressure under physiological pH and alkalosis. Outcome parameters were cytokine levels and the wet-to-dry ratio. For cytokine release, murine and human PCLS were incubated in three different buffers and time points...
March 23, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29559433/ema-recommendation-on-hydroxyethyl-starch-solutions-obscured-controversy
#15
Peter Doshi
No abstract text is available yet for this article.
March 20, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29547998/damage-control-resuscitation-supplemented-with-vasopressin-in-a-severe-polytrauma-model-with-traumatic-brain-injury-and-uncontrolled-internal-hemorrhage
#16
J Michael Dickson, Xu Wang, Alexander E St John, Esther B Lim, Susan A Stern, Nathan J White
Introduction: Traumatic brain injury (TBI) and hemorrhagic shock (HS) are the leading causes of traumatic death worldwide and particularly on the battlefield. They are especially challenging when present simultaneously (polytrauma), and clear blood pressure end points during fluid resuscitation are not well described for this situation. The goal of this study is to evaluate for any benefit of increasing blood pressure using a vasopressor on brain blood flow during initial fluid resuscitation in a swine polytrauma model...
March 14, 2018: Military Medicine
https://www.readbyqxmd.com/read/29546060/acute-effect-of-hypervolemic-hemodilution-on-retrobulbar-hemodynamics-in-anterior-ischemic-optic-neuropathy
#17
Marion Bienert, Niklas Plange, Andreas Remky, Kay Oliver Arend, David Kuerten
Purpose: Ischemic ocular disorders may be treated by hypervolemic hemodilution. The presumed therapeutic benefit is based on a volume effect and improved rheological factors. The aim was to investigate the acute effect of intravenous hydroxyethyl starch on retrobulbar hemodynamics in patients with nonarteritic anterior ischemic optic neuropathy (NAION). Methods: 24 patients with acute NAION were included. Retrobulbar hemodynamics were measured using color Doppler imaging before and 15 min after intravenous infusion of 250 cc 10% hydroxyethyl starch (HES)...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29538225/interventional-vitamin-c-a-strategy-for-attenuation-of-coagulopathy-and-inflammation-in-a-swine-polytrauma-model
#18
Penny S Reynolds, Bernard J Fisher, Jacquelyn McCarter, Christopher Sweeney, Erika J Martin, Paul Middleton, Matthew Ellenberg, Evan Fowler, Donald F Brophy, Alpha A Fowler, Bruce D Spiess, Ramesh Natarajan
BACKGROUND: Coagulopathy and inflammation induced by hemorrhagic shock and traumatic injury are associated with increased mortality and morbidity. Vitamin C (VitC) is an antioxidant with potential protective effects on the pro-inflammatory and pro-coagulant pathways. We hypothesized that high-dose VitC administered as a supplement to fluid resuscitation would attenuate inflammation, coagulation dysfunction, and end-organ tissue damage in a swine model of polytrauma and hemorrhage. METHODS: Male Sinclair swine (n = 24; mean body weight 27 kg) were anesthetized, intubated, mechanically ventilated, and instrumented for physiological monitoring...
March 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29514510/inaction-over-retractions-of-identified-fraudulent-publications-ongoing-weakness-in-the-system-of-scientific-self-correction
#19
Christian J Wiedermann
Published articles may be retracted when their findings are no longer considered reliable due to honest error, publication misconduct, or research misconduct. This article focuses on the case of a single serial violator of research and publication ethics in anesthesiology and critical care, which is widely publicized. A chain of events led to detection of misconduct that had substantial impact on the evidence base for the safety of hydroxyethyl starch, an intravenous artificial colloid solution, which is reflected in current guidelines on fluid management and volume resuscitation...
2018: Accountability in Research
https://www.readbyqxmd.com/read/29509042/lactated-ringer-solution-may-be-superior-to-saline-based-6-hydroxyethyl-starch-130-0-4-for-early-resuscitation-within-12-hours-from-hemorrhagic-shock
#20
Xinyue Gao, Qiang Tao, Xun Zhou, WeiFu Lei
PURPOSE: To compare the effects of fluid resuscitation with lactated Ringer's solution (LR) and saline-based 6% hydroxyethyl starch 130/0.4 (HES) on the inflammatory response and oxidative stress in the small intestine as well as on bacterial translocation to the liver. METHODS: Sprague-Dawley rats were subjected to blood pressure-controlled hemorrhagic shock and then resuscitated with LR or HES. At 1, 3, 6, 12, and 24 hr after resuscitation, liver tissues were collected to count the bacterial colonies, and small intestines were harvested to analyze the levels of inflammatory (TNF-α and HO-1) and oxidative stress (MPO) mediators as well as the intestinal injury by immunohistochemistry, colorimetry and hematoxylin & eosin staining, respectively...
March 6, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
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