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https://www.readbyqxmd.com/read/29243830/proceedings-of-the-food-and-drug-administration-s-public-workshop-on-new-red-blood-cell-product-regulatory-science-2016
#1
Jaroslav G Vostal, Paul W Buehler, Monique P Gelderman, Abdu I Alayash, Alan Doctor, James C Zimring, Simone A Glynn, John R Hess, Harvey Klein, Jason P Acker, Philip C Spinella, Angelo D'Alessandro, Bernhard Palsson, Thomas J Raife, Michael P Busch, Timothy J McMahon, Marcos Intaglietta, Harold M Swartz, Michael A Dubick, Sylvain Cardin, Rakesh P Patel, Charles Natanson, John W Weisel, Jennifer A Muszynski, Philip J Norris, Paul M Ness
The US Food and Drug Administration (FDA) held a workshop on red blood cell (RBC) product regulatory science on October 6 and 7, 2016, at the Natcher Conference Center on the National Institutes of Health (NIH) Campus in Bethesda, Maryland. The workshop was supported by the National Heart, Lung, and Blood Institute, NIH; the Department of Defense; the Office of the Assistant Secretary for Health, Department of Health and Human Services; and the Center for Biologics Evaluation and Research, FDA. The workshop reviewed the status and scientific basis of the current regulatory framework and the available scientific tools to expand it to evaluate innovative and future RBC transfusion products...
December 15, 2017: Transfusion
https://www.readbyqxmd.com/read/29243334/effects-of-a-targeted-blood-management-programme-on-allogeneic-blood-transfusion-in-abdominal-aortic-aneurysm-surgery
#2
M D Stoneham, S Von Kier, L Harvey, M Murphy
OBJECTIVES: To investigate the impact of a dedicated cell salvage practitioner team on blood loss and allogeneic transfusion in abdominal aortic aneurysm (AAA) surgery. BACKGROUND: Cell salvage reduces allogeneic transfusion in AAA surgery, but is commonly performed by the anaesthetic nurse. At our hospital, a dedicated patient blood management practitioner is present for all elective open AAA repairs. METHODS/MATERIALS: Data were collected on 171 AAA patients operated on at the John Radcliffe Hospital, Oxford over a 3-year period, looking at the Patient Blood Management processes, including: blood loss, cell salvage, near-patient testing (thrombelastography) and transfusion rates of allogeneic blood products...
December 15, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/29243264/prolonged-platelet-storage-associated-with-increased-frequency-of-transfusion-related-adverse-events
#3
M Losos, E Biller, J Li, L Blower, D Hamad, G Patel, S Scrape, S Cataland, J Chen
BACKGROUND: Platelets (PLTs) have been associated with the highest rate of transfusion-associated adverse events (AEs) among all blood products. Most of PLT-associated AEs are considered to have an inflammatory mechanism. However, it is still unclear whether prolonged storage of platelets is associated with an increased rate of transfusion-related AEs, especially in the era of universal prestorage leucoreduction. METHODS/MATERIALS: In this retrospective study, 52 649 PLT products consisting of about 80% apheresis PLTs and 20% whole blood-derived (WBD) PLTs were transfused to 9415 patients from July 2011 to March 2017...
December 15, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29238996/quality-management-of-a-massive-transfusion-protocol
#4
John R Hess, Patrick J Ramos, Nina E Sen, Virginia G Cruz-Cody, Erin E Tuott, Max J Louzon, Eileen M Bulger, Saman Arbabi, Monica B Pagano, Ryan A Metcalf
BACKGROUND: Massive transfusion is a response to massive uncontrolled hemorrhage. To be effective, it must be timely and address the patient's needs for blood volume, oxygen transport, and hemostasis. STUDY DESIGN AND METHODS: A review was performed on all activations of the massive transfusion protocol (MTP) in a hospital with large emergency medicine, trauma, and vascular surgery programs. Indications, transfused amounts, and outcomes were determined for each MTP event to determine appropriateness of MTP use...
December 13, 2017: Transfusion
https://www.readbyqxmd.com/read/29238987/modeling-the-effect-of-platelet-concentrate-supernatants-on-endothelial-cells-focus-on-endocan-esm-1
#5
Sofiane Tariket, Caroline Sut, Charles-Antoine Arthaud, Marie-Ange Eyraud, Astrid Meneveaux, Sandrine Laradi, Hind Hamzeh-Cognasse, Olivier Garraud, Fabrice Cognasse
BACKGROUND: Platelets (PLTs) are prone to activation and the release of biologic response modifiers (BRMs) under storage conditions. The transfusion inflammatory reaction in the vascular compartment involves endothelial cell activation due to cell-cell interactions and BRMs infused with the blood products. Endocan/ESM-1 is a proteoglycan secreted by endothelial cells under the control of proinflammatory cytokines. We aimed to measure endocan activity in supernatants of PLT components (PCs), implicated in serious adverse reactions (SARs) or not (no...
December 13, 2017: Transfusion
https://www.readbyqxmd.com/read/29225746/comparison-of-the-impact-of-applications-of-targeted-transfusion-protocol-and-massive-transfusion-protocol-in-trauma-patients
#6
Shahram Paydar, Hosseinali Khalili, Golnar Sabetian, Behnam Dalfardi, Shahram Bolandparvaz, Mohammad Hadi Niakan, Hamidreza Abbasi, Donat R Spahn
Background: The current study assessed a recently developed resuscitation protocol for bleeding trauma patients called the Targeted Transfusion Protocol (TTP) and compared its results with those of the standard Massive Transfusion Protocol (MTP). Methods: Per capita utilization of blood products such as packed red blood cells (RBCs), fresh frozen plasma (FFP), and platelet concentrates was compared along with mortality rates during two 6-month periods, one in 2011 (when the standard MTP was followed) and another in 2014 (when the TTP was used)...
December 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29223684/thromboelastometry-as-guidance-for-blood-management-in-patients-undergoing-cardiac-surgery
#7
C Sarrais Polo, A Alonso Morenza, J Rey Picazo, L Álvarez Mercadal, R Beltrao Sial, C Aguilar Lloret
OBJECTIVE: Thromboelastometry is a viscoelastometric method for haemostasis testing in a whole blood sample. The aim of this study was to assess the results of using thromboelastometry as guidance for blood management in cardiac surgery, postoperative adverse events and ICU stay. MATERIAL AND METHOD: Analytical and comparative non-randomised quasi-experimental prospective study with a retrospective control group. The inclusion criteria for the 80 patients were: patients undergoing cardiac surgery who had had prior cardiac surgery, endocarditis surgery or aortic arch surgery...
December 6, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/29219637/first-cases-of-hb-agrinio-described-in-patients-from-the-republic-of-macedonia
#8
Marija Dimishkovska, Maja Kuzmanovska, Svetlana Kocheva, Kata Martinova, Oliver Karanfilski, Zlate Stojanoski, Dijana Plaseska-Karanfilska
Previous molecular analyses of α-thalassemia (α-thal) in the Republic of Macedonia have identified the following genetic defects: -α3.7 (rightward), -(α)20.5 and - -MED I deletions and Hb Icaria [α142, Term→Lys (α2), HBA2: c.427T>A] and polyadenylation signal (polyA) [AATAAA>AATGAA (α2), HBA2: c.*92A>G] point mutations. Here, we report two unrelated patients from the Romani population in the Republic of Macedonia, homozygotes for the α2-globin gene variant Hb Agrinio [α29(B10)Leu→Pro; HBA2: c...
December 8, 2017: Hemoglobin
https://www.readbyqxmd.com/read/29217251/effectiveness-and-safety-of-aprotinin-use-in-thoracic-aortic-surgery
#9
Pierpaolo Chivasso, Vito D Bruno, Roberto Marsico, Anilkumar Sankanahalli Annaiah, Alexander Curtis, Carlo Zebele, Gianni D Angelini, Alan J Bryan, Cha Rajakaruna
OBJECTIVE: To determine the effectiveness and safety of aprotinin use in adult patients undergoing thoracic aortic surgery. DESIGN: Single-center, retrospective study. SETTING: All cases performed at a single university hospital. PARTICIPANTS: Between January 2004 and December 2014, 846 adult patients underwent thoracic aortic surgery. Due to missing or duplicated data on primary outcomes, 314 patients were excluded...
June 23, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29212421/antineoplastic-chemotherapy-in-jehovah-s-witness-patients-with-acute-myelogenous-leukemia-refusing-blood-products-a-matched-pair-analysis
#10
Stefan Wilop, Rainhardt Osieka
BACKGROUND: Acute myelogenous leukemia (AML) may be cured in a substantial number of patients using intensive chemotherapeutic regimens leading to temporary severe myelosuppression. Patients belonging to the denomination of Jehovah's Witnesses (JW), however, are bound by their religious convictions not to accept blood products and are therefore at higher risk for life-threatening events. Reports how to handle this challenge are mainly anecdotal. MATERIAL AND METHODS: We here report in much more detail about our experience with nine patients belonging to the denomination of JW who were treated for AML in our department from 1998 to 2007 and who explicitly wished to receive chemotherapy without blood transfusions...
December 7, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29211220/blood-transfusion-and-increased-perioperative-risk-in-coronary-artery-bypass-grafts
#11
Igor C Campos, Valessa Tanganelli, Hugo P Maues, Marcio C M Coelho, Fernanda A Martins, Giovana Munhoz, Julyana G T Egito, Hayala C C Souza, Cássio M C Giannini, Pedro S Farsky
OBJECTIVE: To correlate blood transfusions and clinical outcomes during hospitalization in coronary artery bypass grafting surgery (CABG). METHODS: Transfusion, clinical and hematological data were collected for 1,378 patients undergoing isolated or combined CABG between January 2011 and December 2012. The effect of blood transfusions was evaluated through multivariate analysis to predict three co-primary outcomes: composite ischemic events, composite infectious complications and hospital mortality...
September 2017: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29210786/selective-serotonin-reuptake-inhibitors-and-serotonin-norepinephrine-reuptake-inhibitors-are-not-associated-with-bleeding-or-transfusion-in-cardiac-surgical-patients
#12
Mark M Smith, Bradford B Smith, Brian D Lahr, Gregory A Nuttall, William J Mauermann, Timothy J Weister, Joseph A Dearani, David W Barbara
BACKGROUND: Selective serotonin reuptake inhibitor (SSRI) and serotonin-norepinephrine reuptake inhibitor (SNRI) use is known to alter platelet activation and aggregation leading to impairment in hemostasis. Previous studies are ambiguous with regard to bleeding, transfusion, and perioperative complications in patients undergoing cardiac surgery. The purpose of this study was to evaluate the risk of perioperative bleeding, transfusion, morbidity, and mortality in cardiac surgical patients taking SSRI/SNRIs compared with propensity-matched controls...
November 22, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29210068/optimal-storage-conditions-for-apheresis-research-oscar-a-biomedical-excellence-for-safer-transfusion-best-collaborative-study
#13
Thomas J Gniadek, Henk S P Garritsen, David Stroncek, Zbigniew M Szczepiorkowski, David H McKenna
BACKGROUND: Cell therapy products are often stored and transported between sites. The aim of this study was to determine the effect of storage temperature, solution, and cell concentration on nonmobilized, peripheral blood-derived mononuclear cells (MNCs). STUDY DESIGN AND METHODS: This was a multicenter prospective study involving healthy volunteers who underwent nonmobilized MNC collection by apheresis. Products were processed at local laboratories and concentrated to either 100 × 106 or 300 × 106 nucleated cells/mL in 5% human serum albumin (HSA) or HypoThermosol FRS (HT; BioLife Solutions)...
December 6, 2017: Transfusion
https://www.readbyqxmd.com/read/29208320/efficacy-of-a-massive-transfusion-protocol-for-hemorrhagic-trauma-resuscitation
#14
George Lim, Katrina Harper-Kirksey, Ram Parekh, Alex F Manini
OBJECTIVES: New paradigm shifts in trauma resuscitation recommend that early reconstitution of whole blood ratios with massive transfusion protocols (MTP) may be associated with improved survival. We performed a preliminary study on the efficacy of MTP at an urban, Level 1 trauma center and its impact on resuscitation goals. METHODS: A case-control study was performed on consecutive critically-ill trauma patients over the course of 1 year. The trauma captain designated patients as either MTP activation (cases) or routine care without MTP (controls) in matched, non-randomized fashion...
November 29, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29207734/prenatal-screening-for-rare-co-inheritance-of-hbe-and-%C3%AE-thalassaemia-traits-in-western-india
#15
Parth S Shah, Hari Shankar P Ray, Ketan K Vaghasia, Sandip C Shah, Mandava V Rao
The mutations in Haemoglobin Beta (HBB) gene, bring about less or no production of Hb β-chain synthesis in affected cases, leading from minor to major types depending on haematological indices. In compound heterozygotic conditions, two traits are involved, in which one parent has HbE trait and the other has β-thalassaemia carrier (trait). Here, we report a family of Rajasthan, West India which had a proband (son) having HbE/ β-thalassaemia a co-inherited compound heterozygosity as revealed by DNA sequencing...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29201777/current-treatment-of-acute-and-chronic-hepatitis-e-virus-infection-role-of-antivirals
#16
REVIEW
Ananta Shrestha, Birendra P Gupta, Thupten K Lama
Hepatitis E virus (HEV) infection results in nearly 20 million new infections, resulting in 70,000 deaths globally each year. Previously thought as a disease limited to developing nations with poor sanitation and hygiene, it is increasingly recognized that even the most developed nations are not spared. A clear dichotomy in epidemiology of HEV is noted between developing and industrialized nations. The HEV genotypes 1 and 2 are common in Asia and Africa and are transmitted mainly by contaminated drinking water...
January 2017: Euroasian Journal of Hepato-Gastroenterology
https://www.readbyqxmd.com/read/29198634/intraoperative-administration-of-4-factor-prothrombin-complex-concentrate-reduces-blood-requirements-in-cardiac-transplantation
#17
Gina H Sun, Visal Patel, Ingrid Moreno-Duarte, Farhad Zahedi, Eric Ursprung, Greg Couper, Fred Y Chen, Ian J Welsby, Raymond Comenzo, Grace Kao, Frederick C Cobey
OBJECTIVE: Assessing the efficacy of intraoperative 4-factor prothrombin complex concentrate (4F-PCC) use in blood product utilization, time to chest closure, intensive care unit (ICU) and hospital length of stay (LOS), thromboembolic complications, renal injury and mortality in left ventricular assist device (LVAD) patients on home anticoagulation therapy with warfarin, undergoing orthotopic heart transplantation (OHT). DESIGN: Retrospective analysis of OHT patients at Tufts Medical Center from May 2013 to October 2016...
August 3, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29195008/consensus-predictive-model-for-the-prediction-of-human-k562-cell-growth-inhibition-through-enalos-cloud-platform
#18
Antreas Afantitis, Georgios Leonis, Roberto Gambari, Georgia Melagraki
Beta thalassemia is an inherited hematologic disorder caused by various mutations of the β-globin gene, thus resulting in a significant decrease of adult hemoglobin (HbA) production. Since no other specific treatment exists to date, apart from blood transfusion and chelation therapy, the increase of fetal hemoglobin (HbF) levels by drug molecules is considered of great potential in β-thalassemia treatment, being expected to counterbalance the impaired production of HbA. Within this context, we have worked towards the development of a predictive model that will allow the identification of new possible HbF inducers...
December 1, 2017: ChemMedChem
https://www.readbyqxmd.com/read/29194339/risk-factors-for-the-development-of-acute-respiratory-distress-syndrome-following-hemorrhage
#19
Bryce R H Robinson, Mitchell J Cohen, John B Holcomb, Timothy A Pritts, Dina Gomaa, Erin E Fox, Richard D Branson, Rachael A Callcut, Bryan A Cotton, Martin A Schreiber, Karen J Brasel, Jean-Francois Pittet, Kenji Inaba, Jeffery D Kerby, Thomas M Scalea, Charlie E Wade, Eileen M Bulger
BACKGROUND: The Pragmatic Randomized Optimal Platelet and Plasma Ratios (PROPPR) study evaluated the effects of plasma and platelets on hemostasis and mortality after hemorrhage. The pulmonary consequences of resuscitation strategies that mimic whole blood, remain unknown. METHODS: A secondary analysis of the PROPPR study was performed. Injured patients predicted to receive a massive transfusion were randomized to 1:1:1 vs. 1:1:2 plasma-platelet-RBC ratios at 12 Level I North American trauma centers...
November 30, 2017: Shock
https://www.readbyqxmd.com/read/29194281/rbc-transfusions-are-associated-with-prolonged-mechanical-ventilation-in-pediatric-acute-respiratory-distress-syndrome
#20
Michael E Zubrow, Neal J Thomas, David F Friedman, Nadir Yehya
OBJECTIVES: Blood products are often transfused in critically ill children, although recent studies have recognized their potential for harm. Translatability to pediatric acute respiratory distress syndrome is unknown given that hypoxemia has excluded pediatric acute respiratory distress syndrome patients from clinical trials. We aimed to determine whether an association exists between blood product transfusion and survival or duration of ventilation in pediatric acute respiratory distress syndrome...
November 30, 2017: Pediatric Critical Care Medicine
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