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lactate clearance

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https://www.readbyqxmd.com/read/28343695/treatment-with-milk-fat-globule-epidermal-growth-factor-factor-8-mfg-e8-reduces-inflammation-and-lung-injury-in-neonatal-sepsis
#1
Laura W Hansen, Weng Lang Yang, Alexandra C Bolognese, Asha Jacob, Tracy Chen, Jose M Prince, Jeffrey M Nicastro, Gene F Coppa, Ping Wang
BACKGROUND: Sepsis remains one of the leading causes of infant death worldwide. It is characterized by uncontrolled inflammatory responses due to proven bacterial infection. Despite improvement in supportive care and the availability of effective antibiotics, no specific therapy targeting the dysregulated inflammatory response is available for neonatal sepsis. Milk fat globule epidermal growth factor-factor 8 (MFG-E8) is a secretory glycoprotein abundantly present in human milk. MFG-E8 suppresses the systemic inflammatory responses in adult murine injury models by improving the clearance of dying cells...
March 23, 2017: Surgery
https://www.readbyqxmd.com/read/28328649/early-lactate-clearance-is-associated-with-improved-outcomes-in-patients-with-postcardiac-arrest-syndrome-a-prospective-multicenter-observational-study-sos-kanto-2012-study
#2
Kei Hayashida, Masaru Suzuki, Naohiro Yonemoto, Shingo Hori, Tomoyoshi Tamura, Atsushi Sakurai, Yoshio Tahara, Ken Nagao, Arino Yaguchi, Naoto Morimura
OBJECTIVES: To determine whether early lactate reduction is associated with improved survival and good neurologic outcome in patients with out-of-hospital cardiac arrest. DESIGN: Ad hoc data analysis of a prospective, multicenter observational study. SETTING: Out-of-hospital cardiac arrest patients at 67 emergency hospitals in Kanto, Japan between January 2012 and March 2013. PATIENTS: Adult patients with out-of-hospital cardiac arrest admitted to the hospital after successful resuscitation were identified...
March 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28325783/renal-handling-of-ketones-in-response-to-sodium-glucose-cotransporter-2-inhibition-in-patients-with-type-2-diabetes
#3
Ele Ferrannini, Simona Baldi, Silvia Frascerra, Brenno Astiarraga, Elisabetta Barsotti, Aldo Clerico, Elza Muscelli
OBJECTIVE: Pharmacologically induced glycosuria elicits adaptive responses in glucose homeostasis and hormone release, including decrements in plasma glucose and insulin levels, increments in glucagon release, enhanced lipolysis, and stimulation of ketogenesis, resulting in an increase in ketonemia. We aimed at assessing the renal response to these changes. RESEARCH DESIGN AND METHODS: We measured fasting and postmeal urinary excretion of glucose, β-hydroxybutyrate (β-HB), lactate, and sodium in 66 previously reported patients with type 2 diabetes and preserved renal function (estimated glomerular filtration rate ≥60 mL · min(-1) · 1...
March 21, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28293125/trajectory-of-chemotherapy-for-patients-with-egfr-wild-type-advanced-pulmonary-adenocarcinoma-a-single-institution-retrospective-study
#4
Seigo Minami, Yoshitaka Ogata, Shouichi Ihara, Suguru Yamamoto, Kiyoshi Komuta
BACKGROUND: Pulmonary adenocarcinoma, recently benefited by new cytotoxic and molecularly targeted drugs, has been classified by driver mutations, such as EGFR mutations. The aim of this study was to research the proportions of patients treated with first- to third-line chemotherapy and to find influential factors for the introduction of chemotherapy and survival benefit from chemotherapy. MATERIALS AND METHODS: Data were collected retrospectively on patients who met the following criteria: adenocarcinoma, diagnosed between June 2007 and March 2015 at our hospital, stage IIIB or IV, and EGFR wild type...
2017: Lung Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28292981/vaginal-heparan-sulfate-linked-to-neutrophil-dysfunction-in-the-acute-inflammatory-response-associated-with-experimental-vulvovaginal-candidiasis
#5
Junko Yano, Mairi C Noverr, Paul L Fidel
Despite acute inflammation by polymorphonuclear neutrophils (PMNs) during vulvovaginal candidiasis (VVC), clearance of Candida fails to occur. The purpose of this study was to uncover the mechanism of vaginal PMN dysfunction. Designs included assessing PMN migration, proinflammatory mediators, and tissue damage (by analysis of the activity of lactate dehydrogenase [LDH]) in mice susceptible (C3H/HeN-C57BL/6) or resistant (CD-1) to chronic VVC (CVVC-S or CVVC-R) and testing morphology-specific Candida albicans strains under conditions of preinduced PMN migration (CVVC-S mice) or PMN depletion (CVVC-R mice)...
March 14, 2017: MBio
https://www.readbyqxmd.com/read/28281216/a-hypoperfusion-context-may-aid-to-interpret-hyperlactatemia-in-sepsis-3-septic-shock-patients-a-proof-of-concept-study
#6
Leyla Alegría, Magdalena Vera, Jorge Dreyse, Ricardo Castro, David Carpio, Carolina Henriquez, Daniela Gajardo, Sebastian Bravo, Felipe Araneda, Eduardo Kattan, Pedro Torres, Gustavo Ospina-Tascón, Jean-Louis Teboul, Jan Bakker, Glenn Hernández
BACKGROUND: Persistent hyperlactatemia is particularly difficult to interpret in septic shock. Besides hypoperfusion, adrenergic-driven lactate production and impaired lactate clearance are important contributors. However, clinical recognition of different sources of hyperlactatemia is unfortunately not a common practice and patients are treated with the same strategy despite the risk of over-resuscitation in some. Indeed, pursuing additional resuscitation in non-hypoperfusion-related cases might lead to the toxicity of fluid overload and vasoactive drugs...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28277327/lactate-elevation-during-and-after-major-cardiac-surgery-in-adults-a-review-of-etiology-prognostic-value-and-management
#7
Lars W Andersen
Elevated lactate is a common occurrence after cardiac surgery. This review summarizes the literature on the complex etiology of lactate elevation during and after cardiac surgery, including considerations of oxygen delivery, oxygen utilization, increased metabolism, lactate clearance, medications and fluids, and postoperative complications. Second, the association between lactate and a variety of outcomes are described, and the prognostic role of lactate is critically assessed. Despite the fact that elevated lactate is strongly associated with many important outcomes, including postoperative complications, length of stay, and mortality, little is known about the optimal management of postoperative patients with lactate elevations...
March 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28219189/-effects-of-phentolamine-on-haemodynamics-of-patients-with-severe-sepsis
#8
W Yang, X B Li, Y Zhou, X M Mo
Objective: To explore the effects of phentolamine on hemodynamic of patients with severe sepsis . Methods: From January 2015 to August 2016, using random number table, 59 patients with severe sepsis were divided into research group and the control group by conventional treatment in Department of Emergency, the Second People's Hospital of Nanning City. The patients of the research group were given phentolamine injection. The CI, ITBVI, EVLWI, SVRI of the patients were monitored by PICCO on 6, 12, 24, 48, 72 h before and after treatment...
February 7, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28209214/effects-of-concentrate-type-and-chromium-propionate-on-insulin-sensitivity-productive-and-reproductive-parameters-of-lactating-dairy-cows-consuming-excessive-energy
#9
T Leiva, R F Cooke, A P Brandão, U Pardelli, R O Rodrigues, F N Corrá, J L M Vasconcelos
This experiment compared insulin sensitivity parameters, milk production and reproductive outcomes in lactating dairy cows consuming excessive energy, and receiving in a 2×2 factorial arrangement design: (1) concentrate based on ground corn (CRN; n=13) or citrus pulp (PLP; n=13), and (2) supplemented (n=14) or not (n=12) with 2.5 g/day of chromium (Cr)-propionate. During the experiment (day 0 to 182), 26 multiparous, non-pregnant, lactating Gir×Holstein cows (initial days in milk=80±2) were offered corn silage for ad libitum consumption, and individually received concentrate formulated to allow diets to provide 160% of their daily requirements of net energy for lactation...
March 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28193740/development-of-delayed-hemolytic-anemia-after-treatment-with-oral-artemether-lumefantrine-in-two-patients-with-severe-falciparum-malaria
#10
Yasuhiro Tsuchido, Fukumi Nakamura-Uchiyama, Kasumi Toyoda, Moritoshi Iwagami, Kentaro Tochitani, Koh Shinohara, Naokuni Hishiya, Taku Ogawa, Kenji Uno, Kei Kasahara, Yukiteru Ouji, Shigeyuki Kano, Keiichi Mikasa, Tsunehiro Shimizu, Masahide Yoshikawa, Haruhiko Maruyama
Recently, reports of delayed hemolytic anemia after treatment with artemisinin and its derivatives have emerged. Here we report two cases of delayed hemolytic anemia in a patient with severe falciparum malaria after treatment with oral artemether-lumefantrine (AL). The first patient, a 20-year-old Japanese male student, was diagnosed with falciparum malaria and was administered AL. As having a high parasitemia rate (20.6%) was the only severe malaria criterion met in this case and his general condition was stable, we continued with AL treatment...
February 13, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28166165/automated-variable-aortic-control-versus-complete-aortic-occlusion-in-a-swine-model-of-hemorrhage
#11
Timothy K Williams, Lucas P Neff, Michael Austin Johnson, Rachel M Russo, Sarah-Ashley Ferencz, Anders J Davidson, Nathan F Clement, John Kevin Grayson, Todd E Rasmussen
BACKGROUND: Future endovascular hemorrhage control devices will require features that mitigate the adverse effects of vessel occlusion. Permissive regional hypoperfusion (PRH) with variable aortic control (VAC) is a novel strategy to minimize hemorrhage and reduce the ischemic burden of complete aortic occlusion (AO). The objective of this study was to compare PRH with VAC to AO in a lethal model of hemorrhage. METHODS: Twenty-five swine underwent cannulation of the supraceliac aorta, with diversion of aortic flow through an automated extracorporeal circuit...
April 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28145808/characterization-of-the-l-glutamate-clearance-pathways-across-the-blood-brain-barrier-and-the-effect-of-astrocytes-in-an-in%C3%A2-vitro-blood-brain-barrier-model
#12
Hans Cc Helms, Blanca I Aldana, Simon Groth, Morten M Jensen, Helle S Waagepetersen, Carsten U Nielsen, Birger Brodin
The aim was to characterize the clearance pathways for L-glutamate from the brain interstitial fluid across the blood-brain barrier using a primary in vitro bovine endothelial/rat astrocyte co-culture. Transporter profiling was performed using uptake studies of radiolabeled L-glutamate with co-application of transporter inhibitors and competing amino acids. Endothelial abluminal L-glutamate uptake was almost abolished by co-application of an EAAT-1 specific inhibitor, whereas luminal uptake was inhibited by L-glutamate and L-aspartate (1 mM)...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28143953/hemolytic-anemia-repressed-hepcidin-level-without-hepatocyte-iron-overload-lesson-from-g%C3%A3-nther-disease-model
#13
Sarah Millot, Constance Delaby, Boualem Moulouel, Thibaud Lefebvre, Nathalie Pilard, Nicolas Ducrot, Cécile Ged, Philippe Lettéron, Lucia de Franceschi, Jean Charles Deybach, Carole Beaumont, Laurent Gouya, Hubert De Verneuil, Saïd Lyoumi, Hervé Puy, Zoubida Karim
Hemolysis occurring in hematologic diseases is often associated with an iron loading anemia. This iron overload is the result of a massive outflow of hemoglobin into the bloodstream, but the mechanism of hemoglobin handling has not been fully elucidated. Here, in a congenital erythropoietic porphyria mouse model, we evaluate the impact of hemolysis and regenerative anemia on hepcidin synthesis and iron metabolism. Hemolysis was confirmed by a complete drop in haptoglobin, hemopexin and increased plasma lactate dehydrogenase, an increased red blood cell distribution width and osmotic fragility, a reduced half-life of red blood cells, and increased expression of heme oxygenase 1...
February 2017: Haematologica
https://www.readbyqxmd.com/read/28131575/responses-of-plasma-glucose-and-nonesterified-fatty-acids-to-intravenous-insulin-tolerance-tests-in-dairy-cows-during-a-670-day-lactation
#14
L C Marett, M J Auldist, W J Wales, K L Macmillan, F R Dunshea, B J Leury
The metabolic response of dairy cows undergoing an extended lactation to an insulin tolerance test (ITT) was investigated. Twelve multiparous Holstein-Friesian cows that calved in late winter in a pasture-based system were managed for a 670-d lactation by delaying rebreeding. Four 5-wk experimental periods commenced at approximately 73, 217, 422, and 520 d in milk (DIM). Cows were offered a diet of perennial ryegrass (73 and 422 DIM) or pasture hay and silage (217 and 520 DIM) supplemented with 1 kg dry matter (DM) of grain (control; CON) or 6 kg DM of grain (GRN)...
January 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28116922/protective-effect-of-apocynin-against-gentamicin-induced-nephrotoxicity-in-rats
#15
R S Abdelrahman
Gentamicin (GNT) is an aminoglycoside antibiotic used for treatment of serious infections, and the nephrotoxic adverse effect is one of the main therapeutic limitations. This study aimed to investigate the possible protective effect of apocynin (APO) on nephrotoxicity induced by GNT in rats. Twenty-four rats were allocated into three groups: control, GNT (100 mg/kg, intraperitoneally (i.p.)), and GNT plus APO (10 mg/kg, i.p.). All rats were killed at the end of the experiment, and then the blood, urine, and kidneys samples were taken...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28109592/short-communication-limitations-of-glucose-tolerance-tests-in-the-assessment-of-peripheral-tissue-insulin-sensitivity-during-pregnancy-and-lactation-in-dairy-heifers
#16
J De Koster, M Van Eetvelde, K Hermans, W Van den Broeck, M Hostens, G Opsomer
The aim of the present study was to point at the limitations of glucose tolerance tests (GTT) to assess peripheral tissue insulin sensitivity in dairy heifers in different physiological states (pregnancy and lactation). Intravenous GTT were performed in 5 nonpregnant, nonlactating heifers, 5 heifers at the end of pregnancy (12-7 d before calving), and 5 lactating primiparous cows (11-14 d after calving). Glucose and insulin concentrations were determined and area under the curve (AUC) and clearance rate of glucose and insulin were calculated...
March 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28099979/milrinone-pharmacokinetics-and-pharmacodynamics-in-neonates-with-persistent-pulmonary-hypertension-of-the-newborn
#17
Annie Giaccone, Athena F Zuppa, Beena Sood, Meryl S Cohen, Michael L O'Byrne, Ganesh Moorthy, Amit Mathur, Haresh Kirpalani
Objective To describe the pharmacokinetics and pharmacodynamics of milrinone in infants with persistent pulmonary hypertension of the newborn (PPHN) and to explore the impact of age on milrinone disposition. Design Randomized, open label pilot study. Setting Multicenter; level 3 and level 4 neonatal intensive care units. Patients Six infants ≥34 weeks' gestational age and <10 days of life with persistent hypoxemia receiving inhaled nitric oxide. Intervention Intravenous milrinone lactate in one of two dosing regimens: (1) low dose, 20 mcg/kg bolus followed by 0...
January 18, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28063218/cyclic-glycine-proline-accelerates-mammary-involution-by-promoting-apoptosis-and-inhibiting-igf-1-function
#18
Gagandeep Singh-Mallah, Christopher D McMahon, Jian Guan, Kuljeet Singh
In rodents, post-lactational involution of mammary glands is characterized by the loss of mammary epithelial cells via apoptosis, which is associated with a decline in the expression of insulin-like growth factor-1 (IGF-1). Overexpression of IGF-1 delays involution by inhibiting apoptosis of epithelial cells and preserving the remaining secretory alveoli. Cyclic-glycine-proline (cGP), a metabolite of IGF-1, normalizes IGF-1 function under pathological conditions by regulating the bioavailability of IGF-1. The present study investigated the effect of cGP on the physiological decline in IGF-1 function during post-lactational mammary involution...
January 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28019091/model-based-population-pharmacokinetic-analysis-of-nivolumab-in-patients-with-solid-tumors
#19
G Bajaj, X Wang, S Agrawal, M Gupta, A Roy, Y Feng
Nivolumab is a fully human monoclonal antibody that inhibits programmed death-1 activation. The clinical pharmacology profile of nivolumab was analyzed by a population pharmacokinetics model that assessed covariate effects on nivolumab concentrations in 1,895 patients who received 0.3-10.0 mg/kg nivolumab in 11 clinical trials. Nivolumab pharmacokinetics is linear with a time-varying clearance. A full covariate model was developed to assess covariate effects on pharmacokinetic parameters. Nivolumab clearance and volume of distribution increase with body weight...
January 2017: CPT: Pharmacometrics & Systems Pharmacology
https://www.readbyqxmd.com/read/28013058/leg-compressions-improve-ventilatory-efficiency-while-reducing-peak-and-post-exercise-blood-lactate-but-does-not-improve-perceived-exertion-exercise-economy-or-aerobic-exercise-capacity-in-endurance-trained-runners
#20
Eric Rivas, John D Smith, Nestor W Sherman
PURPOSE: The objective of this study was to determine if leg compressions would alter cardiorespiratory and perceived exertion measures during rest, submaximal and maximal exercise in endurance-trained runners. METHOD: Thirteen young, endurance trained runners (10 males, 20.9±3y, 58.9±5.7mlkgmin(-1)) completed a randomized design, leg compressions and non-compression control condition. The incremental graded exercise test consisted of baseline rest and submaximal intensities at 23%, 70%, 75%, 85% and then a progressive increase to 100% VO2max...
March 2017: Respiratory Physiology & Neurobiology
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