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Blood componant transfusion

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https://www.readbyqxmd.com/read/28099525/polyethylene-glycol-camouflaged-earthworm-hemoglobin
#1
Vivek P Jani, Alborz Jelvani, Selamawit Moges, Parimala Nacharaju, Camille Roche, David Dantsker, Andre Palmer, Joel M Friedman, Pedro Cabrales
Nearly 21 million components of blood and whole blood and transfused annually in the United States, while on average only 13.6 million units of blood are donated. As the demand for Red Blood Cells (RBCs) continues to increase due to the aging population, this deficit will be more significant. Despite decades of research to develop hemoglobin (Hb) based oxygen (O2) carriers (HBOCs) as RBC substitutes, there are no products approved for clinical use. Lumbricus terrestris erythrocruorin (LtEc) is the large acellular O2 carrying protein complex found in the earthworm Lumbricus terrestris...
2017: PloS One
https://www.readbyqxmd.com/read/28099120/the-clinical-significance-of-platelet-microparticle-associated-micrornas
#2
Patrick Provost
Circulating blood platelets play a central role in the maintenance of hemostasis. They adhere to subendothelial extracellular matrix proteins that become exposed upon vessel wall damage, which is followed by platelet activation, further platelet recruitment, platelet aggregation and formation of an occlusive, or non-occlusive, platelet thrombus. Platelets host a surprisingly diverse transcriptome, which is comprised of ~9500 messenger RNAs (mRNAs) and different classes of non-coding RNAs, including microRNAs, as well as a significant repertoire of proteins that contribute to their primary (adhesion, aggregation, granule secretion) and alternative (RNA transfer, mRNA translation, immune regulation) functions...
January 18, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28089410/microparticle-detection-to-guide-platelet-management-for-the-reduction-of-platelet-refractoriness-in-children-a-study-proposal
#3
REVIEW
Peter Kanzler, Andrew Mahoney, Gerda Leitner, Volker Witt, Elisabeth Maurer-Spurej
Microparticles have been shown to shed from a variety of viable cells as a consequence of inflammatory processes, activation or physical stress. Seventy to 90% of circulating microparticles are thought to be platelet-derived. The content of microparticles in blood collected from normal blood donors is highly variable and transfers into the final blood component. Elevated microparticle content (MPC) in donor blood might indicate an asymptomatic clinical condition of the donor which might affect the transfusion recipient, particularly pediatric patients...
December 29, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28088436/injury-severity-sex-and-transfusion-volume-but-not-transfusion-ratio-predict-inflammatory-complications-after-traumatic-injury
#4
Allison R Jones, Heather M Bush, Susan K Frazier
BACKGROUND: Blood component (packed red blood cells [PRBC], fresh frozen plasma [FFP], platelets [PLT]) ratios transfused in a 1:1:1 fashion are associated with survival after trauma; the relationship among blood component ratios and inflammatory complications after trauma is not fully understood. OBJECTIVES: To evaluate the relationship among blood component ratios (1:1 vs other for PRBC:FFP and PRBC:PLT) and inflammatory complications (primary outcome) in patients with major trauma...
January 11, 2017: Heart & Lung: the Journal of Critical Care
https://www.readbyqxmd.com/read/28072844/exploring-the-possibility-of-cryopreservation-of-feline-and-canine-erythrocytes-by-rapid-freezing-with-penetrating-and-non-penetrating-cryoprotectants
#5
Denys Pogozhykh, Yuliya Pakhomova, Olga Pervushina, Nicola Hofmann, Birgit Glasmacher, Gennadiy Zhegunov
Efficient application of veterinary blood transfusion approaches for small companion animals requires readily available supply of the donor material. This can be achieved by developing of effective biobanking technologies allowing long-term storage of donor blood components via cryopreservation. Transfusion of an erythrocyte concentrate allows the successful correction of various hematological pathologies, severe bleeding, and etc. While in the past there were several approaches to cryopreserve red blood cells of dogs, to our knowledge there is virtually no data on cryopreservation of feline erythrocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28063764/plasma-transfusion-in-patients-with-cirrhosis-in-china-a-retrospective-multicenter-cohort-study
#6
REVIEW
Yao Lu, Guixiang Sun, Xiangfu Liu, Zhiguo Liu, Jianguo Tan, Yiwen Hao, Guiqiu Shan, Qun Luo, Deqing Wang, Yanchao Xing, Xianqing Zhang, Jiwu Gong, Simon J Stanworth, Jun Wang, Aiqing Wen
Patients with cirrhosis used to be associated with frequent use of blood components because of their complex disorder of hemostasis and bleeding complications. Recent findings have indicated that patients with cirrhosis have a state of "rebalanced" or even procoagulant hemostasis and have questioned the prophylactic use of plasma. To evaluate the current status of plasma use in patients with cirrhosis, we conducted a retrospective survey in 11 tertiary-care hospitals in China from September 1 to October 31, 2013...
December 2, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28057057/is-platelet-transfusion-associated-with-hospital-acquired-infections-in-critically-ill-patients
#7
Cécile Aubron, Andrew W Flint, Michael Bailey, David Pilcher, Allen C Cheng, Colin Hegarty, Antony Martinelli, Michael C Reade, Rinaldo Bellomo, Zoe McQuilten
BACKGROUND: Platelets are commonly transfused to critically ill patients. Reports suggest an association between platelet transfusion and infection. However, there is no large study to have determined whether platelet transfusion in critically ill patients is associated with hospital-acquired infection. METHODS: We conducted a multi-centre study using prospectively maintained databases of two large academic intensive care units (ICUs) in Australia. Characteristics of patients who received platelets in ICUs between 2008 and 2014 were compared to those of patients who did not receive platelets...
January 6, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28041822/effect-of-leukapheresis-on-blood-coagulation-in-patients-with-hyperleukocytic-acute-myeloid-leukemia
#8
Andry Van de Louw
INTRODUCTION: Leukapheresis has been proposed to reduce white blood cell (WBC) count in hyperleukocytic acute myeloid leukemia (AML). However, no survival benefit has been proven and leukapheresis can potentially affect coagulation and worsen bleeding and disseminated intravascular coagulation (DIC). We analyzed the effect of leukapheresis on coagulation tests in a cohort of hyperleukocytic AML patients. METHODS: Retrospective chart review of hyperleukocytic AML patients who underwent leukapheresis between 2003 and 2014...
December 29, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28032156/complex-truncal-masses-in-the-setting-of-cloves-syndrome-aesthetic-and-functional-implications
#9
Jason M Weissler, Valeriy Shubinets, Martin J Carney, David W Low
BACKGROUND: Congenital lipomatous overgrowth, vascular malformations, epidermal nevi, and skeletal abnormalities (CLOVES) is a complex overgrowth syndrome with dramatic aesthetic and functional implications. The truncal masses characteristic of CLOVES syndrome are described as vascular malformations or lipomatous lesions with variable vascular components. Herein, we describe our single-institution experience with surgical excision of CLOVES-related truncal masses and discuss future directions in treatment of these complex anomalies...
December 28, 2016: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28029568/differences-in-levels-of-platelet-derived-microparticles-in-platelet-components-prepared-using-the-platelet-rich-plasma-buffy-coat-and-apheresis-procedures
#10
Egarit Noulsri, Prapaporn Udomwinijsilp, Surada Lerdwana, Viroje Chongkolwatana, Parichart Permpikul
BACKGROUND: There has been an increased interest in platelet-derived microparticles (PMPs) in transfusion medicine. Little is known about PMP status during the preparation of platelet concentrates for transfusion. AIM: The aim of this study is to compare the PMP levels in platelet components prepared using the buffy coat (BC), platelet-rich plasma platelet concentrate (PRP-PC), and apheresis (AP) processes. METHODS: Platelet components were prepared using the PRP-PC and BC processes...
October 25, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28028997/comparative-analysis-of-clinical-samples-showing-weak-serum-reaction-on-autovue-system-causing-abo-blood-typing-discrepancies
#11
Su Yeon Jo, Ju Mi Lee, Hye Lim Kim, Kyeong Hwa Sin, Hyeon Ji Lee, Chulhun Ludgerus Chang, Hyung Hoi Kim
BACKGROUND: ABO blood typing in pre-transfusion testing is a major component of the high workload in blood banks that therefore requires automation. We often experienced discrepant results from an automated system, especially weak serum reactions. We evaluated the discrepant results by the reference manual method to confirm ABO blood typing. METHODS: In total, 13,113 blood samples were tested with the AutoVue system; all samples were run in parallel with the reference manual method according to the laboratory protocol...
March 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28027853/a-haemovigilance-team-provides-both-significant-financial-and-quality-benefits-in-a-university-hospital
#12
Ine Decadt, Els Costermans, Maai Van de Poel, Katrien Kesteloot, Timothy Devos
BACKGROUND: Haemovigilance is the process of surveillance of blood transfusion procedures including unexpected hazards and reactions during the transfusion pathway in both donors and recipients. The haemovigilance team aims to increase blood transfusion safety and to decrease both morbidity and mortality in donors and recipients. The team collects data about transfusion reactions and incidents, instructs the involved health workers and assures the tracing of blood components. The haemovigilance team at the University Hospitals Leuven has played a pioneering role in the development of haemovigilance in Belgium Although the literature about safety and quality improvements by haemovigilance systems is abundant, there are no published data available measuring their financial impact in a hospital...
December 7, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28001313/incidence-and-clinical-characteristics-of-transfusion-associated-circulatory-overload-using-an-active-surveillance-algorithm
#13
N H Roubinian, J E Hendrickson, D J Triulzi, J L Gottschall, D Chowdhury, D J Kor, M R Looney, M A Matthay, S H Kleinman, D Brambilla, E L Murphy
BACKGROUND: The concordance of haemovigilance criteria developed for surveillance of transfusion-associated circulatory overload (TACO) with its clinical diagnosis has not been assessed. In a pilot study to evaluate an electronic screening algorithm, we sought to examine TACO incidence and application of haemovigilance criteria in patients with post-transfusion pulmonary oedema. STUDY DESIGN AND METHODS: From June to September 2014, all transfused adult inpatients at four academic hospitals were screened with an algorithm identifying chest radiographs ordered within 12 h of blood component release...
January 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28001297/impact-of-platelet-pathogen-inactivation-on-blood-component-utilization-and-patient-safety-in-a-large-austrian-regional-medical-centre
#14
M Amato, H Schennach, M Astl, C Y Chen, J-S Lin, R J Benjamin, W Nussbaumer
BACKGROUND: In clinical studies, pathogen inactivation (PI) of platelet concentrates (PC) with amotosalen and UVA light did not impact patient risk for haemorrhage but may affect transfusion frequency and component utilization. We evaluated the influence of platelet PI on PC, red cell concentrate (RCC) and plasma use and safety in routine practice in a large regional hospital. STUDY DESIGN AND METHODS: Comparative effectiveness of conventional vs. PI-treated PC was analysed during two 21-month periods, before and after PI implementation...
January 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/27994524/blood-product-supply-in-germany-the-impact-of-apheresis-and-pooled-platelet-concentrates
#15
Karin Berger, Dorothee Schopohl, Georg Wittmann, Wolfgang Schramm, Helmut Ostermann, Christina Rieger
BACKGROUND: In Germany, about 60% of all produced platelet concentrates (PCs) are apheresis PCs (APCs). Ongoing discussions on APC reimbursement and costs might lead to a potential shift in pooled PC (PPC)/APC production. Objective of this analysis was to build a comprehensive model from the societal perspective to evaluate consequences associated with shifts in platelet supply and demand. METHODS: Literature search, desktop researches on platelet supply and demand...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27981769/documentation-of-consent-for-blood-transfusion
#16
C Hennessy, M Borosak, L Bielby, L J Stevenson, B Glazebrook
In 2012, 110 hospitals reported on consent policy against national guidelines, with 105 (95%) including a statement on blood transfusion. Of the 103 hospitals (1788 transfusion episodes) that participated in the consent practice component, 89 specified the method of consent used; 46 (52%) had a specific transfusion consent form and achieved compliance of 90% compared to 43-69% for most other methods. The consent audit shows that a specific blood consent form achieved a high rate of medical record documentation compliance...
December 2016: Internal Medicine Journal
https://www.readbyqxmd.com/read/27965664/transfusion-as-an-inflammation-hit-knowns-and-unknowns
#17
REVIEW
Olivier Garraud, S Tariket, C Sut, A Haddad, C Aloui, T Chakroun, S Laradi, F Cognasse
Transfusion of blood cell components is frequent in the therapeutic arsenal; it is globally safe or even very safe. At present, residual clinical manifestations are principally inflammatory in nature. If some rare clinical hazards manifest as acute inflammation symptoms of various origin, most of them linked with conflicting and undesirable biological material accompanying the therapeutic component (infectious pathogen, pathogenic antibody, unwanted antigen, or allergen), the general feature is subtler and less visible, and essentially consists of alloimmunization or febrile non-hemolytic transfusion reaction...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27957384/mitigating-the-risk-of-transfusion-transmitted-dengue-in-australia
#18
Kelly Rooks, Clive R Seed, Jesse J Fryk, Catherine A Hyland, Robert J Harley, Jerry A Holmberg, Denese C Marks, Robert L P Flower, Helen M Faddy
Dengue viruses (DENV 1-4) are a risk to transfusion safety, with several transfusion-transmitted (TT) cases reported globally. DENV 1-4 are endemic in over 100 countries, with seasonal outbreaks occurring in northeastern Australia. To mitigate TT-DENV risk in Australia, fresh blood components are not manufactured from donors returning from any area (domestic/overseas) with known dengue transmission. Alternatively, TT-DENV risk may be mitigated using an appropriate blood donor screening assay. We aimed to determine the rate of dengue infection in donors during dengue outbreaks in Australia...
2016: Journal of Blood Transfusion
https://www.readbyqxmd.com/read/27955922/-hemovigilance-state-2007-2013%C3%A2-tunis
#19
S Mahjoub, H Baccouche, A Raissi, L Ben Hamed, N Ben Romdhane
INTRODUCTION: Despite its lifesaving role, blood transfusion still has risks associated with it. Hemovigilance is a set of surveillance procedures of the transfusion chain intended to promote safe and effective use of blood components. This work aims to present a descriptive analysis of adverse reactions, which were notified over a period of 5 years (incidence and etiology); to identify malfunctions and to propose corrections. MATERIALS AND METHODS: All transfusion adverse reactions accidents reported to the blood bank of the hospital La Rabta (n=120) are explored (clinical and laboratory tests)...
December 7, 2016: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/27955683/a-multidimensional-approach-to-assessing-intervention-fidelity-in-a-process-evaluation-of-audit-and-feedback-interventions-to-reduce-unnecessary-blood-transfusions-a-study-protocol
#20
Fabiana Lorencatto, Natalie J Gould, Stephen A McIntyre, Camilla During, Jon Bird, Rebecca Walwyn, Robert Cicero, Liz Glidewell, Suzanne Hartley, Simon J Stanworth, Robbie Foy, Jeremy M Grimshaw, Susan Michie, Jill J Francis
BACKGROUND: In England, NHS Blood and Transplant conducts national audits of transfusion and provides feedback to hospitals to promote evidence-based practice. Audits demonstrate 20% of transfusions fall outside guidelines. The AFFINITIE programme (Development & Evaluation of Audit and Feedback INterventions to Increase evidence-based Transfusion practIcE) involves two linked, 2×2 factorial, cluster-randomised trials, each evaluating two theoretically-enhanced audit and feedback interventions to reduce unnecessary blood transfusions in UK hospitals...
December 12, 2016: Implementation Science: IS
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