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Transfusion Medicine Reviews

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https://www.readbyqxmd.com/read/28811051/patient-blood-management-in-the-intensive-care-unit
#1
REVIEW
Aryeh Shander, Mazyar Javidroozi, Gregg Lobel
Patient Blood Management underscores a fundamental shift from a product-centered approach to a patient-centric approach through timely application of evidence-based medical and surgical concepts designed to maintain hemoglobin concentration, optimize hemostasis, and minimize blood loss in an effort to improve patient outcome. In this concept, allogeneic blood transfusion is not viewed as the treatment of default for anemic patients, but one among many treatment modalities that should be weighed based on its merits-potentials risks and benefits-for the individual patient in the context of other alternatives...
July 31, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28800876/the-effects-of-red-blood-cell-transfusion-on-tissue-oxygenation-and-the-microcirculation-in-the-intensive-care-unit-a-systematic-review
#2
REVIEW
Nathan D Nielsen, Ignacio Martin-Loeches, Catherine Wentowski
The transfusion of red blood cells (RBCs) is a common intervention in intensive care unit (ICU) patients, yet the benefits are far from clear in patients with moderate anemia (eg, hemoglobin (Hb) levels of 7-10 g/dL). Determining which of these patients benefit, and how to even define benefit, from transfusion is challenging. As the intended physiological benefit underpinning RBC transfusion is to improve tissue oxygenation, several studies utilizing a wide range of assessment techniques have attempted to study the effects of transfusion on tissue oxygenation and microcirculatory function...
July 21, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28802751/acute-management-of-hemostasis-in-patients-with-neurological-injury
#3
REVIEW
M Irem Baharoglu, Anneke Brand, Maria M Koopman, Marinus Vermeulen, Yvo B W E M Roos
Neurological injuries can be divided into those with traumatic and nontraumatic causes. The largest groups are traumatic brain injury (TBI) and nontraumatic stroke. TBI patients may present with intracranial hemorrhages (contusions, or subdural or epidural hematomas). Strokes are ischemic or hemorrhagic. In all these disorders, thrombosis and hemostasis play a major role. Treatment aims to either cease bleeding and/or restore perfusion. We reviewed hemostatic and thrombolytic therapies in patients with neurological injuries by MEDLINE and EMBASE search using various key words for neurological disorders and hemostatic therapies restricted to English language and human adults...
July 13, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28803752/optimal-dose-timing-and-ratio-of-blood-products-in-massive-transfusion-results-from-a-systematic-review
#4
REVIEW
Zoe K McQuilten, Gemma Crighton, Susan Brunskill, Jessica K Morison, Tania H Richter, Neil Waters, Michael F Murphy, Erica M Wood
Optimal dose, timing and ratio to red blood cells (RBC) of blood component therapy (fresh frozen plasma [FFP], platelets, cryoprecipitate or fibrinogen concentrate) to reduce morbidity and mortality in critically bleeding patients requiring massive transfusion is unknown. We performed a systematic review for randomized controlled trials (RCT) in MEDLINE, The Cochrane Library, Embase, CINAHL, PubMed the Transfusion Evidence Library and using multiple clinical trials registries to 21 February 2017. Sixteen RCTs were identified: six completed (five in adult trauma patients, one pediatric burn patients) and ten ongoing trials...
July 6, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28778577/a-call-to-arms-wartime-blood-donor-recruitment
#5
REVIEW
Jean Cy Wang
To ensure an adequate blood supply, blood collection agencies must design campaigns to recruit and maintain an active donor pool. Such campaigns generally appeal to altruism and humanitarianism, which donors most commonly cite as their reasons for donating. However, large donor registries and the widespread recruitment campaigns that sustain them did not become a necessity until the technology for the collection, storage, and transfusion of blood had advanced to a point that enabled the establishment of transfusion services that could provide large amounts of stored blood to meet high demands...
July 6, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28734547/management-of-hemostatic-disorders-in-patients-with-advanced-liver-disease-admitted-to-an-intensive-care-unit
#6
REVIEW
Ton Lisman, William Bernal
Patients with liver diseases frequently acquire complex changes in their hemostatic system. Traditionally, bleeding complications in patients with liver disease were ascribed to these hemostatic changes, and liver diseases were considered as an acquired bleeding disorder. Nowadays, it is increasingly acknowledged that patients with liver diseases are in "hemostatic rebalance" due to a commensurate decline in pro- and anticoagulant drivers. Indeed, both thrombosis and bleeding may complicate liver disease. Such complications may be particularly worrisome in critically ill patients with liver disease...
June 23, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28647217/recognition-and-management-of-hemostatic-disorders-in-critically-ill-patients-needing-to-undergo-an-invasive-procedure
#7
REVIEW
Marcella C A Müller, Simon J Stanworth, Michiel Coppens, Nicole P Juffermans
Abnormal laboratory coagulation test results are frequently documented in critically ill patients, and these patients often also need to undergo invasive procedures. Clinicians have an understandable desire to minimize any perceived heightened risk of bleeding complications in those patients who require invasive procedures. In this setting, prophylactic administration of platelets or plasma is commonplace. This review explores the nature of these sequential statements and the degree to which these statements are supported by evidence...
June 15, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28545882/emerging-infectious-diseases-and-blood-safety-modeling-the-transfusion-transmission-risk
#8
REVIEW
Philip Kiely, Manoj Gambhir, Allen C Cheng, Zoe K McQuilten, Clive R Seed, Erica M Wood
While the transfusion-transmission (TT) risk associated with the major transfusion-relevant viruses such as HIV is now very low, during the last 20 years there has been a growing awareness of the threat to blood safety from emerging infectious diseases, a number of which are known to be, or are potentially, transfusion transmissible. Two published models for estimating the transfusion-transmission risk from EIDs, referred to as the Biggerstaff-Petersen model and the European Upfront Risk Assessment Tool (EUFRAT), respectively, have been applied to several EIDs in outbreak situations...
July 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28385575/intersecting-worlds-of-transfusion-and-transplantation-medicine-an-international-symposium-organized-by-the-canadian-blood-services-centre-for-innovation
#9
REVIEW
Kendra M Hodgkinson, Jeffrey Kiernan, Andrew W Shih, Ziad Solh, William P Sheffield, Nicolas Pineault
The principal theme of the symposium was centered on how the world of regenerative medicine intersects with that of transfusion medicine, with a particular focus on hematopoietic stem cells (HSCs) and stem cell therapies. The symposium highlighted several exciting developments and identified areas where additional research is needed. A revised map of human hematopoietic hierarchy was presented based on the functional and phenotypic analysis of thousands of single stem and progenitor cells from adult bone marrow and fetal liver...
July 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28366637/the-safety-and-efficacy-of-lysine-analogues-in-cancer-patients-a-systematic-review-and-meta-analysis
#10
REVIEW
Joshua Montroy, Nicholas A Fergusson, Brian Hutton, Luke T Lavallée, Chris Morash, Ilias Cagiannos, Sonya Cnossen, Dean A Fergusson, Rodney H Breau
Lysine analogues are effective agents used for the reduction of blood loss and transfusion. However, the safety of lysine analogues in cancer patients remains in question due to a potential risk of venous thromboembolism (VTE). The objective of our review is to investigate safety and efficacy of lysine analogue administration in the patients with cancer. Medline, Embase, and The Cochrane Library were searched from inception to June, 2016. Reference lists of retrieved studies were searched to identify additional publications...
July 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28065763/the-kidd-jk-blood-group-system
#11
REVIEW
Shaun Lawicki, Randal B Covin, Amy A Powers
The Kidd blood group system was discovered in 1951 and is composed of 2 antithetical antigens, Jk(a) and Jk(b), along with a third high-incidence antigen, Jk3. The Jk3 antigen is expressed in all individuals except those with the rare Kidd-null phenotype. Four Kidd phenotypes are therefore possible: Jk(a+b-), Jk(a-b+), Jk(a+b+), and Jk(a-b-). The glycoprotein carrying the Kidd antigens is a 43-kDa, 389-amino acid protein with 10 membrane-spanning domains which functions as a urea transporter on endothelial cells of the renal vasa recta as well as erythrocytes...
July 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28501326/management-of-platelet-disorders-and-platelet-transfusions-in-icu-patients
#12
REVIEW
Neil Blumberg, Jill M Cholette, Amy E Schmidt, Richard P Phipps, Sherry L Spinelli, Joanna M Heal, Anthony P Pietropaoli, Majed A Refaai, Patricia J Sime
Thrombocytopenia or receipt of antiplatelet drugs, with or without bleeding, is a common indication for platelet transfusions in the ICU. However, there is almost no evidence base for these practices other than expert opinion. Also common is use of platelet transfusions prior to invasive procedures or surgery in patients with thrombocytopenia. Likewise, there is no high-quality evidence that such practices are efficacious or safe. Recently, it has become clear that, whether causal or not, patients receiving prophylactic platelet transfusions experience high rates of nosocomial infection, thrombosis, organ failure, and mortality, which increase the urgency and need for randomized trials to assess these practices...
May 4, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28552276/adjuncts-to-blood-component-therapies-for-the-treatment-of-bleeding-in-the-intensive-care-unit
#13
REVIEW
Jerrold H Levy, Kamrouz Ghadimi, Quintin J Quinones, Raquel R Bartz, Ian Welsby
Patients who are critically ill following surgical or traumatic injury often present with coagulopathy as a component of the complex multisystem dysfunction that clinicians must rapidly diagnose and treat in the intensive care environment. Failure to recognize coagulopathy while volume resuscitation with crystalloid or colloid takes place, or an unbalanced transfusion strategy focused on packed red blood cell transfusion can all significantly worsen coagulopathy, leading to increased transfusion requirements and poor outcomes...
April 25, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28063764/plasma-transfusion-in-patients-with-cirrhosis-in-china-a-retrospective-multicenter-cohort-study
#14
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...
April 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28017498/red-cell-immunohematology-research-conducted-in-china
#15
REVIEW
Ziyan Zhu, Luyi Ye, Qin Li, Hongwei Gao, Yinxia Tan, Wei Cai
ABO subtypes and RhD variants are the most studied blood groups in China. Some of the polymorphisms in these two blood groups have direct clinical relevance. Molecular diagnosis of blood group polymorphisms is underway in China. In addition, research groups have developed methods such as screening for blood group mimetic peptides using phage display technology. New reagents, akin to antibodies directed against RhD and ABO, are being investigated using aptamer-based techniques. Progress is also being made in the development of synthetic exoglycosidases for conversion of group A and/or B antigens to group O...
April 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27707522/erythrocytes-as-carriers-for-drug-delivery-in-blood-transfusion-and-beyond
#16
REVIEW
Carlos H Villa, Douglas B Cines, Don L Siegel, Vladimir Muzykantov
Red blood cells (RBCs) are innate carriers that can also be engineered to improve the pharmacokinetics and pharmacodynamics of many drugs, particularly biotherapeutics. Successful loading of drugs, both internally and on the external surface of RBCs, has been demonstrated for many drugs including anti-inflammatory, antimicrobial, and antithrombotic agents. Methods for internal loading of drugs within RBCs are now entering clinical use. Although internal loading can result in membrane disruption that may compromise biocompatibility, surface loading using either affinity or chemical ligands offers a diverse set of approaches for the production of RBC drug carriers...
January 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27622549/practical-use-of-thromboelastometry-in-the-management-of-perioperative-coagulopathy-and-bleeding
#17
REVIEW
Brittney Williams, John McNeil, Andrew Crabbe, Kenichi A Tanaka
Achieving hemostasis after complex cardiovascular and transplant surgical procedures is one of the greatest challenges anesthesiologists face. Preoperative coagulation disturbances due to underlying disease or antithrombotic therapy are common, and they are worsened by intraoperative blood loss and fluid replacement. The coagulation reactions in vivo are incredibly complex interactions among blood cells, proteins, and vasculature, standing in sharp contrast to rather simple treatment options including transfusion of platelets, plasma, and cryoprecipitate...
January 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27569055/zika-virus-and-the-blood-supply-what-do-we-know
#18
REVIEW
Alexandra Jimenez, Beth H Shaz, Evan M Bloch
Zika virus (ZIKV), a mosquito-borne Flavivirus and emerging infectious disease, is the focus of an international public health emergency after its rapid spread through the Americas and the Caribbean. Although most ZIKV infections are subclinical or characterized by mild febrile illness, ZIKV has been implicated in severe complications, most notably microcephaly in babies born to incident infected mothers during pregnancy. As yet, the extent to which ZIKV is transfusion transmissible remains undefined. Nonetheless, a high prevalence of asymptomatic infection during outbreaks, the demonstration of ZIKV in blood donors, and 4 possible cases of transfusion-transmitted ZIKV in Brazil have raised concern for risk to the blood supply...
January 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27523957/regulatory-t-cells-central-concepts-from-ontogeny-to-therapy
#19
REVIEW
Bernard Khor
The balanced differentiation of naive CD4(+) T cells into either pro- or anti-inflammatory fates is a central regulator of immune homeostasis, dysregulation of which can lead to inflammatory disease or cancer. Accordingly, the development of diagnostics and therapeutics to measure and modulate this balance is of great interest. In this review, we focus on the predominant anti-inflammatory subset, regulatory T cells, discussing key concepts including development, function, antigen specificity, and lineage stability...
January 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27468945/clinical-and-laboratory-consequences-of-platelet-transfusion-in-shiga-toxin-mediated-hemolytic-uremic-syndrome
#20
REVIEW
Jan Beneke, Aleksej Sartison, Jan T Kielstein, Hermann Haller, Martin Nitschke, Ulrich Kunzendorf, Sebastian Loos, Markus J Kemper, Rolf A K Stahl, Jan Menne
Recent studies suggest that platelet transfusions are harmful in patients with thrombotic thrombocytopenic purpura, an entity of thrombotic microangiopathies. As the typical or Shiga toxin-producing Escherichia coli-induced hemolytic uremic syndrome (STEC-HUS) is also classified as thrombotic microangiopathy, we complement these data with an analysis of 250 patients from the German O104:H4 STEC-HUS outbreak. The effect of platelet transfusion in 44 patients who received platelet transfusions vs 206 control patients was investigated...
January 2017: Transfusion Medicine Reviews
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