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https://www.readbyqxmd.com/read/29334571/use-of-french-lyophilized-plasma-transfusion-in-severe-trauma-patients-is-associated-with-an-early-plasma-transfusion-and-early-transfusion-ratio-improvement
#1
Cédric Nguyen, Julien Bordes, Pierre-Julien Cungi, Pierre Esnault, Michael Cardinale, Quentin Mathais, Jean Cotte, Sébastien Beaume, Anne Sailliol, Bertrand Prunet, Eric Meaudre
BACKGROUND: Early transfusion of high ratio of fresh frozen plasma (FFP) and red blood cells (RBC) is associated with mortality reduction. However, time to reach high ratio is limited by the need to thaw the FFP. French lyophilized plasma (FLYP) used by French army and available in military teaching hospital does not need to be thawed and is immediately available. We hypothesize that the use of FLYP may reduce time to reach a plasma:RBC ratio of 1/1. METHODS: A retrospective study performed in a Level 1 trauma center between January 2012 and December 2015...
January 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29333619/surrogate-scale-for-evaluating-respiratory-function-based-on-complete-blood-count-parameters
#2
Yang Guang, Zhou Jie, Dong Feng, Liu Hui
BACKGROUND: In this study, we aimed to identify a simple method for evaluating respiratory function using complete blood count parameters. METHODS: The complete blood count parameters, including red blood cell (RBC) count, hemoglobin (Hb) level, lymphocyte (Lym) and platelet (Plt) count, and partial pressure of oxygen (PO2 ) level, were measured using automated analyzers in patients with chronic obstructive pulmonary disease (COPD), aged subjects, and young subjects (control group)...
January 15, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29332421/comparison-of-two-weight-based-desmopressin-dosing-strategies-for-spontaneous-bleeding
#3
Miguel J Franquiz, Michelle C Hines, Siu Yan Amy Yeung
BACKGROUND: The pharmacokinetics and pharmacodynamics of desmopressin are appropriate for adjusted body weight-based dosing, particularly in obese patients. OBJECTIVE: The objective of this study was to describe desmopressin dosing strategies, with emphasis on hemostatic outcomes among patients without preexisting bleeding disorders. METHODS: This was a single-center, retrospective cohort study of patients who received intravenous weight-based desmopressin for a hemostatic indication...
January 1, 2018: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/29332316/how-do-i-implement-a-whole-blood-program-for-massively-bleeding-patients
#4
Mark H Yazer, Andrew P Cap, Philip C Spinella, Louis Alarcon, Darrell J Triulzi
Building on the successful military experience, interest has been rekindled in transfusing whole blood (WB) early in the resuscitation of traumatically injured civilians, often before their ABO group is known. WB efficiently provides treatment for shock and coagulopathy, as well as platelet hemostatic function, to patients losing large volumes of blood. Unlike group O uncrossmatched red blood cells (RBCs), group O WB contains a substantial amount of plasma, which is incompatible with the RBCs of all non-group O recipients...
January 14, 2018: Transfusion
https://www.readbyqxmd.com/read/29332215/heparin-coated-grafts-reduce-mortality-in-pediatric-patients-receiving-systemic-to-pulmonary-shunts
#5
Adeel Ashfaq, Mohammad S Soroya, Amit Iyengar, Myke Federman, Brian L Reemtsen
We aimed to evaluate the outcomes of systemic-to-pulmonary (SP) shunt procedures utilizing heparin-coated (HC) polytetrafluoroethylene (PTFE) vascular grafts compared to uncoated (non-HC) grafts, in order to observe any benefits in pediatric patients. Our institution switched from using non-HC grafts to HC grafts in March 2011. We conducted a retrospective review of consecutive pediatric patients receiving SP shunts from May 2008 to December 2015. Perioperative variables including baseline characteristics, morbidity, mortality, and blood product utilization were evaluated between the HC and non-HC groups...
January 13, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29332028/possible-erythrocyte-contributions-to-and-exacerbation-of-the-post-thrombolytic-no-reflow-phenomenon
#6
Shang-Jen Yu, James P Buerck, Edgar A O'Rear, Thomas L Whitsett
BACKGROUND: Reperfusion injury often occurs with therapeutic intervention addressing the arterial occlusions causing acute myocardial infarction and stroke. The no-reflow phenomenon has been ascribed to leukocyte plugging and blood vessel constriction in the microcirculation. OBJECTIVE: To assess possible red cell contributions to post thrombolytic no-reflow phenomenon. METHODS: Blood clots were formed by recalcifying 1 ml of citrated fresh human venous blood and then lysed by adding 1,000 units of streptokinase (SK) at several intervals within 1 hour...
January 11, 2018: Biorheology
https://www.readbyqxmd.com/read/29331737/hematology-reference-intervals-for-neonatal-holstein-calves
#7
Nikolaos Panousis, Nektarios Siachos, Georgios Kitkas, Emmanouil Kalaitzakis, Maria Kritsepi-Konstantinou, Georgios E Valergakis
Data regarding hematologic reference intervals (RI) for neonatal calves have not been published yet. The aims of this study were: a) to establish hematology RIs for neonatal Holstein calves, b) to compare them with the RIs for lactating cows, and c) to investigate the relationship of age and gender with the hematologic profile of calves. Two-hundred and fifty-four clinically healthy Holstein calves (1-9days old, from 30 farms) and 82 healthy Holstein cows (between 30 and 150days in milk, from 10 farms) were blood sampled once for a complete blood count evaluation, using the ADVIA 120 hematology analyzer...
January 9, 2018: Research in Veterinary Science
https://www.readbyqxmd.com/read/29331635/sotatercept-with-long-term-extension-for-the-treatment-of-anaemia-in-patients-with-lower-risk-myelodysplastic-syndromes-a-phase-2-dose-ranging-trial
#8
Rami Komrokji, Guillermo Garcia-Manero, Lionel Ades, Thomas Prebet, David P Steensma, Joseph G Jurcic, Mikkael A Sekeres, Jesus Berdeja, Michael R Savona, Odile Beyne-Rauzy, Aspasia Stamatoullas, Amy E DeZern, Jacques Delaunay, Gautam Borthakur, Robert Rifkin, Thomas E Boyd, Abderrhamane Laadem, Bond Vo, Jennie Zhang, Marie Puccio-Pick, Kenneth M Attie, Pierre Fenaux, Alan F List
BACKGROUND: Myelodysplastic syndromes are characterised by ineffective erythropoiesis leading to anaemia. Sotatercept (ACE-011) is a novel activin receptor type IIA fusion protein that acts as a ligand trap to neutralise negative regulators of late-stage erythropoiesis. The aim of the study was to establish a safe and effective dose of sotatercept for the treatment of anaemia in patients with lower-risk myelodysplastic syndromes. METHODS: This open-label, multicentre, dose-ranging, phase 2 trial took place at 11 treatment centres in the USA and France...
January 10, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29330927/defined-serum-free-medium-for-bioreactor-culture-of-an-immortalized-human-erythroblast-cell-line
#9
Esmond Lee, Zhong Ri Lim, Hong Yu-Chen, Bin Xia Yang, Alan Tin-Lun Lam, Allen Kuan-Liang Chen, Jaichandran Sivalingam, Shaul Reuveny, Yuin-Han Loh, Steve Kah-Weng Oh
Anticipated shortages in donated blood supply have prompted investigation of alternative approaches for in-vitro production of red blood cells (RBCs), such as expansion of conditional immortalization erythroid progenitors. However, there is a bioprocessing challenge wherein factors promoting maximal cell expansion and growth-limiting inhibitory factors are yet to be investigated. We used an erythroblast cell line (ImEry) derived from immortalizing CD71+CD235a+ erythroblast from adult peripheral blood for optimization of expansion culture conditions...
January 13, 2018: Biotechnology Journal
https://www.readbyqxmd.com/read/29330815/supplementing-dietary-rosemary-rosmarinus-officinalis-l-powder-and-vitamin-e-in-broiler-chickens-evaluation-of-humoral-immune-response-lymphoid-organs-and-blood-proteins
#10
Hossein Rostami, Alireza Seidavi, Mohammad Dadashbeiki, Yadollah Asadpour, João Simões, Assar Ali Shah, Vito Laudadio, Caterina Losacco, Antonella Perillo, Vincenzo Tufarelli
The aim of the present study was to evaluate the effect rosemary (Rosmarinus officinalis L.) powder (RP) and vitamin E (VE) at different levels on humoral immunity of broilers during a 42-day production cycle. A total of 270 1-day-old male chicks were assigned to nine groups with three replicates of ten birds each, and diets were supplemented with 0, 0.5, or 1.0% RP and 0, 100, or 200 mg/kg VE, respectively. Commercial-inactivated vaccines against avian influenza (AI) and Newcastle disease (ND) viruses, and living infectious bronchitis virus (IBV) vaccine were administered by spray method...
January 12, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29330800/evaluation-of-erythrocyte-changes-after-normoxic-return-from-hypoxia
#11
Jihyun Song, Josef T Prchal
Hypoxia increases erythropoiesis by hypoxia-inducible factors (HIF), principally by HIF-2, which upregulates erythropoietin transcription. This results in an increase of red blood cell (RBC) production and delivery of more oxygen to tissues. Upon rapid return to normoxia, hypoxia-induced polycythemia is overcorrected by neocytolysis, a transient destruction of preferentially young RBCs bearing low catalase (downregulated by hypoxia-stimulated microRNA(miR)-21) caused by reactive oxygen species (ROS) from expanded mitochondria...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29330799/hypoxia-signaling-and-placental-adaptations
#12
Damayanti Chakraborty, Regan L Scott, Michael J Soares
Oxygen is an essential nutrient for cells. Oxygen is delivered to tissues via red blood cells through the vasculature. Molecular mechanisms mediating cellular responses to low oxygen tension have been identified. Hypoxia-inducible factors (HIFs) are activated by low oxygen and promote transcriptional regulation of downstream effector genes, which lead to cellular adaptations. Controlled hypoxia exposure is utilized as an experimental tool to investigate biological processes, regulating cellular adaptations...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29330271/vitamin-b12-deficiency-unusual-cause-of-jaundice-in-an-adolescent
#13
Phalguna Kousika Katakam, Asha P Hegde, Manju Venkataramaiahyappa
Vitamin B12 deficiency in vegans is a known cause of megaloblastic anaemia. We report an adolescent girl who presented with jaundice and weight loss for 6 months secondary to vitamin B12 deficiency, leading to megaloblastic anaemia. Replacement with vitamin B12 reversed her symptoms, resulting in weight gain, and normalised her haemoglobin, red blood cell morphology, bilirubin levels and serum vitamin B12 levels.
January 12, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29330014/frequency-of-red-blood-cell-genotypes-in-multi-transfused-patients-and-blood-donors-from-minas-gerais-southeast-brazil
#14
Vitor Mendonça Alves, Fernanda Bernadelli De Vito, Paulo Roberto Juliano Martins, Sheila Soares Silva, Lilian Castilho, Helio Moraes-Souza
BACKGROUND AND OBJECTIVES: The frequency of red blood cell (RBC) antigens in Brazil varies due to differences in the ethnic groups in different regions; however, these studies have not been performed in Minas Gerais, where African admixture is more prevalent in comparison with other states. Due to these facts, this study aimed to determine the frequency of RBC genotypes on Rh, Kell, Duffy and Kidd systems in blood donors and multi-transfused patients from Minas Gerais, Southeast Brazil...
December 16, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29328903/dysmorphic-red-blood-cell-formation
#15
José Lucas Daza, Marcelo De Rosa, Graciela De Rosa
No abstract text is available yet for this article.
January 2018: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/29328237/visible-light-optical-coherence-microscopy-of-the-brain-with-isotropic-femtoliter-resolution-in-vivo
#16
Conrad William Merkle, Shau Poh Chong, Aaron Michael Kho, Jun Zhu, Alfredo Dubra, Vivek Jay Srinivasan
Most flying-spot optical coherence tomography and optical coherence microscopy (OCM) systems use a symmetric confocal geometry, where the detection path retraces the illumination path starting from and ending with the spatial mode of a single-mode optical fiber. Here we describe a visible light OCM instrument that breaks this symmetry to improve transverse resolution without sacrificing collection efficiency in scattering tissue. This was achieved by overfilling a water immersion objective on the illumination path while maintaining a conventional Gaussian mode detection path (1/e2 intensity diameter ∼0...
January 15, 2018: Optics Letters
https://www.readbyqxmd.com/read/29327915/multispectral-atomic-force-microscopy-infrared-nano-imaging-of-malaria-infected-red-blood-cells
#17
David Perez-Guaita, Kamila Kochan, Mitchell Batty, Christian Doerig, Jose Garcia-Bustos, Shirley Josefina Espinoza Herrera, Don McNaughton, Philip Heraud, Bayden R Wood
Atomic Force Microscopy-Infrared (AFM-IR) spectroscopy is a powerful new technique that can be applied to study molecular composition of cells and tissues at the nano-scale. AFM-IR maps are acquired using single wavenumber value: they show either the absorbance plotted against a single wavenumber value, or a ratio of two absorbance values. Here we implement multivariate image analysis to generate multivariate AFM-IR maps, and use this approach to resolve subcellular structural information in red blood cells infected with Plasmodium falciparum at different stages of development...
January 12, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29327786/differential-effects-of-experimental-hyperthyroidism-on-declined-immunity-of-broiler-chicken
#18
M S Khilji, M A Sandhu, M S Yousaf, A A Saeed, H U Rehman, H Zaneb, M A Rashid
Thyroid hormones (THs) are involved in the development of lymphoid organs and regulation of immune function in birds. However, their role as an immune-modulator in the hyperthyroid state is still debatable. To explore the interrelationship of thyroxine (T4 ) and the immune system, chicks were divided into three groups. Group I was comprised of control birds, who received the basal diet while group II and III were given diets supplemented with 5 μg and 10 μg thyroxine/kg feed, respectively, from 15 to 28 days of age...
January 12, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29326843/risk-of-acute-kidney-injury-in-patients-randomized-to-a-restrictive-versus-liberal-approach-to-red-blood-cell-transfusion-in-cardiac-surgery-a-substudy-protocol-of-the-transfusion-requirements-in-cardiac-surgery-iii-noninferiority-trial
#19
Amit X Garg, Nadine Shehata, Shay McGuinness, Richard Whitlock, Dean Fergusson, Ron Wald, Chirag Parikh, Sean M Bagshaw, Boris Khanykin, Alex Gregory, Summer Syed, Gregory M T Hare, Meaghan S Cuerden, Kevin E Thorpe, Judith Hall, Subodh Verma, Pavel S Roshanov, Jessica M Sontrop, C David Mazer
Background: When safe to do so, avoiding blood transfusions in cardiac surgery can avoid the risk of transfusion-related infections and other complications while protecting a scarce resource and reducing costs. This protocol describes a kidney substudy of the Transfusion Requirements in Cardiac Surgery III (TRICS-III) trial, a multinational noninferiority randomized controlled trial to determine whether the risk of major clinical outcomes in patients undergoing planned cardiac surgery with cardiopulmonary bypass is no greater with a restrictive versus liberal approach to red blood cell transfusion...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29326805/detection-of-%C3%AE-thalassemia-carriers-by-red-cell-parameters-obtained-from-automatic-counters-using-mathematical-formulas
#20
Idit Lachover Roth, Boaz Lachover, Guy Koren, Carina Levin, Luci Zalman, Ariel Koren
Background: β-thalassemia major is a severe disease with high morbidity. The world prevalence of carriers is around 1.5-7%. The present study aimed to find a reliable formula for detecting β-thalassemia carriers using an extensive database of more than 22,000 samples obtained from a homogeneous population of childbearing age women with 3161 (13.6%) of β-thalassemia carriers and to check previously published formulas. Methods: We applied a mathematical method based on the support vector machine (SVM) algorithm in the search for a reliable formula that can differentiate between thalassemia carriers and non-carriers, including normal counts or counts suspected to belong to iron-deficient women...
2018: Mediterranean Journal of Hematology and Infectious Diseases
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