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Transfusion Medicine and Hemotherapy

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https://read.qxmd.com/read/30574061/fatal-acute-hemolytic-transfusion-reaction-due-to-anti-wr-a
#1
Tanaz Bahri, Kim de Bruyn, Rineke Leys, Floor Weerkamp
Background: The Wra blood group antigen is a low-frequency antigen. Antibody screening sets used in pretransfusion laboratory investigations usually do not contain a Wr(a+) cell. If subsequent cross-matching is performed without indirect antiglobulin test (IAT), Wra antibodies reacting with donor red blood cells (RBCs) will be missed. For reasonable economic and time-saving arguments the risk of missing the detection of a potential clinically relevant antibody is worldwide accepted. Case Report: A 66-year-old women with a negative antibody screen rapidly deteriorated after she received two units of RBCs for symptomatic anemia after hip surgery...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574060/efficacy-of-antenatal-intravenous-immunoglobulin-treatment-in-pregnancies-at-high-risk-due-to-alloimmunization-to-red-blood-cells
#2
Beate Mayer, Larry Hinkson, Wiebke Hillebrand, Wolfgang Henrich, Abdulgabar Salama
Background: Alloimmunization to red blood cells (RBCs) may result in fetal anemia prior to 20 weeks gestation. The question as to whether early commencement of antenatal treatment with high-dose intravenous immunoglobulins (IVIG) may prevent or at least delay the development of fetal anemia in the presence of alloantibodies to RBCs is highly relevant. Patients and Results: Here we describe a patient with high-titer anti-K and two other severely affected pregnant women with a history of recurrent pregnancy loss due to high-titer anti-D or anti-D plus anti-C...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574059/the-blood-bag-plasticizer-di-2-ethylhexylphthalate-causes-red-blood-cells-to-form-stomatocytes-possibly-by-inducing-lipid-flip-flop
#3
Kathryn A Melzak, Stefanie Uhlig, Frank Kirschhöfer, Gerald Brenner-Weiss, Karen Bieback
Background: During storage of red blood cell (RBC) concentrates, the plasticizer di-2-ethylhexylphthalate (DEHP) that keeps the blood bags soft leaches out and can be taken up by the RBCs. DEHP is known to be beneficial for the RBC storage quality, but the molecular mechanisms of the action are unknown. Methods: Aqueous suspensions of DEHP were added to RBCs in buffer. The morphological effects were observed on RBCs from 5 donors. Flow cytometry with annexin A5 binding was used to measure the exposed phosphatidylserine...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574058/perioperative-thromboelastometry-for-adult-living-donor-liver-transplant-recipients-with-a-tendency-to-hypercoagulability-a-prospective-observational-cohort-study
#4
Yasmin Kamel, Ashraf Hassanin, Abdel Rahman Ahmed, Emad Gad, Mohamed Afifi, Magdy Khalil, Klaus Görlinger, Khaled Yassen
Background: Hypercoagulability can lead to serious thromboembolic events. The aim of this study was to assess the perioperative coagulation status in liver transplant recipients with a tendency to hypercoagulability. Methods: In a prospective observational study (South African Cochrane Registry 201405000814129), 151 potential liver transplant recipients were screened for thrombophilic factors from October 2014 to June 2017, and 57 potential recipients fulfilled the inclusion criterion of presenting two or more of the following thrombophilic factors: low protein C, low protein S, low anti-thrombin, increased homocystein, increased antiphospholipid IgG/IgM antibodies, increased lupus anticoagulant, and positive Factor V Leiden mutation...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574057/microrna-dysregulation-associated-with-red-blood-cell-storage
#5
Xiaojie Chen, Xuhong Xie, Yanfen Xing, Xiuhua Yang, Zhaohu Yuan, Yaming Wei
Introduction: Stored red blood cells (RBCs) undergo storage lesions involving morphological, physiological and biochemical changes. MicroRNAs (miRNAs) have important functions in cell apoptosis and life processes. Therefore, the aim of this study was to explore potential roles of miRNAs in the damage of stored RBCs. Methods: Blood samples were collected from 13 healthy male O-type donors, and leuko-reduced RBCs were divided into fresh RBC group and 20-day storage RBC group...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574056/human-platelet-antigens-in-brazilian-multiethnic-populations-occurrence-of-regional-variation-and-frequency-in-a-large-urban-center-belo-horizonte
#6
Maria Clara Fernandes Silva-Malta, Lucas Gabriel Tavares de Oliveira, Luísa Ferreira Barreiros, Dilson Rocha do Amaral, Marina Lobato Martins
Background: The frequency of human platelet antigens (HPA) varies according to ethnicity, which causes differences in the morbidity of alloimmune and autoimmune thrombocytopenic disorders in different populations. Studies on HPA frequencies in Brazil have reported differences among Brazilian populations produced by the diverse degrees of admixture throughout the country. Methods: In the present study, we investigated the variation of HPA distribution in Brazil, compared with worldwide populations, and describe the frequencies of HPA-1, -2, -3, -5, and -15 in a large urban center in Southern Brazil (Belo Horizonte) based on a sample of blood donors...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574055/rotational-thromboelastometry-helps-to-reduce-blood-product-consumption-in-critically-ill-patients-during-small-surgical-procedures-at-the-intensive-care-unit-a-retrospective-clinical-analysis-and-literature-search
#7
Tomas Vymazal, Marta Astraverkhava, Miroslav Durila
Background: Patients at intensive care units (ICUs) are often transfused to correct increased coagulation parameters (prothrombin time and activated partial thromboplastine time) and/or low platelet count. Thromboelastometry using whole blood is considered to be superior to these tests. In clinical praxis, prolonged standard tests are seen but thromboelastometry values are normal. The objective was to compare the blood product consumptions before and after the introduction of thromboelastometry assays into the treatment protocol during small surgical procedures at our mixed ICU...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30574054/complement-deposition-and-igg-binding-on-stored-red-blood-cells-are-independent-of-storage-time
#8
Astrid J F Thielen, Elisabeth M Meulenbroek, Inge Baas, Robin Bruggen, Sacha S Zeerleder, Diana Wouters
Background: In the Netherlands, red blood cells (RBCs) are allowed to be stored up to 35 days at 2-6 °C in saline-adenine-glucose-mannitol (SAGM). During storage, RBCs undergo several changes that are collectively known as storage lesion. We investigated to what extent complement deposition and antibody binding occurred during RBC storage and investigated phagocytic uptake in vitro. Methods: RBCs were stored for different lengths of time at 2-6 °C in SAGM. Complement deposition and antibody binding were assessed upon storage and after incubation with serum...
November 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498414/mortality-morbidity-and-related-outcomes-following-perioperative-blood-transfusion-in-patients-with-major-orthopaedic-surgery-a-systematic-review
#9
REVIEW
Susanne Müller, Doris Oberle, Ursula Drechsel-Bäuerle, Jutta Pavel, Brigitte Keller-Stanislawski, Markus B Funk
Background: Benefits and risks of liberal and restrictive transfusion regimens are under on-going controversial discussion. This systematic review aimed at assessing both regimens in terms of pre-defined outcomes with special focus on patients undergoing major orthopaedic surgery. Methods: We performed a literature search for mortality, morbidity and related outcomes following peri-operative blood transfusion in patients with major orthopaedic surgery in electronic databases...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498413/vitamin-e-analogue-protects-red-blood-cells-against-storage-induced-oxidative-damage
#10
Adam Antosik, Kamila Czubak, Natalia Cichon, Pawel Nowak, Halina Zbikowska
Background: To investigate i) the effects of Trolox® or mannitol, which represent two different classes of antioxidants, on oxidative changes generated in manually isolated red blood cells (RBCs) from citrate-phosphate-dextrose (CPD) preserved whole blood, followed by up to 20 days refrigerated storage, and ii) whether Trolox supplemented to the blood bank-manufactured saline-adenine-glucose-mannitol (SAGM) preserved RBC units would offer better storage conditions compared with SAGM alone...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498412/evaluation-of-the-new-lateral-flow-card-mdmulticard%C3%A2-basic-extended-phenotype-in-routine-clinical-practice
#11
Beate Mayer, Julia Müller, María-José Candela-García, Annie-Claude Manteau, Christof Weinstock, Axel Pruß
Background: Transfusion emergencies and critical situations require specifically designed devices to simplify and optimize the standard procedures. In addition, matching antigens over and above ABO-Rh-K would be beneficial. Methods: Routine blood samples were collected in four immunohematology centers and tested with the new MDmulticard Basic Extended Phenotype for the simultaneous detection of the Duffy, Kidd, and Ss antigens, according to the principle of the lateral flow...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498411/towards-a-regional-registry-of-extended-typed-blood-donors-molecular-typing-for-blood-group-platelet-and-granulocyte-antigens
#12
Jan Portegys, Gabi Rink, Pia Bloos, Erwin A Scharberg, Harald Klüter, Peter Bugert
Background: The provision of compatible blood products to patients is the most essential task of transfusion medicine. Besides ABO and Rh, a number of additional blood group antigens often have to be considered for the blood supply of immunized or chronically transfused patients. It also applies for platelet antigens (HPA) and neutrophil antigens (HNA) for patients receiving platelet or granulocyte concentrates. Here, we describe the molecular screening for a number of blood group, HPA, and HNA alleles...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498410/low-volume-leukapheresis-in-non-cytokine-stimulated-donors-for-the-collection-of-mononuclear-cells
#13
Adamma Anyanwu, Nicole Sitzmann, Svetlana Hetjens, Harald Klüter, Patrick Wuchter
Background: There is an increasing demand for products containing mononuclear cells (MNCs) for cellular immune therapy. Hence, leukapheresis is increasingly performed in healthy volunteer donors. Methods: We evaluated 147 low-volume leukapheresis procedures from 77 healthy non-cytokine-stimulated donors. Complete blood counts (CBCs) of the donors were measured before and directly after the procedures as well as from the MNC products. Follow-up CBCs were collected from donors within 21 days...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498409/an-international-registry-of-granulocyte-transfusions
#14
REVIEW
Monica B Pagano, Suzy Morton, Claudia S Cohn, Sylvie Gross, Jose Kutner, Antoine Lewin, Jeffrey McCullough, Irwin Schweitzer, Alan T Tinmouth, Kamille West, Simon J Stanworth
Introduction: Granulocyte transfusions are used to either treat or prevent life-threatening infections in neutropenic patients. Current evidence from clinical trials does not support or reject efficacy, nor guide practice. Methods: A group of investigators have led the efforts to create an online registry to gather information on granulocyte transfusion practices from as broad a range of international settings. The data forms were adapted from an on-going study in England for electronic data management...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498408/molecular-genetics-of-the-human-neutrophil-antigens
#15
REVIEW
Brigitte Katharina Flesch, Angelika Reil
Background and Objective: Antibodies to human neutrophil antigens (HNAs) have been implicated in transfusion-related acute lung injury and allo- and autoimmune neutropenia. To date, five HNA systems are assigned, and during the last decades enormous efforts have been undertaken to identify the underlying genes and to characterize the antigens. This review of the literature will provide the current genetic, molecular and functional information on HNAs. Recent Findings: New information on alleles and antigens has been added to nearly each of the five HNA systems...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498407/the-pathogenic-involvement-of-neutrophils-in-acute-respiratory-distress-syndrome-and-transfusion-related-acute-lung-injury
#16
REVIEW
Johan Rebetz, John W Semple, Rick Kapur
The acute respiratory distress syndrome (ARDS) is a serious and common complication of multiple medical and surgical interventions, with sepsis, pneumonia, and aspiration of gastric contents being common risk factors. ARDS develops within 1 week of a known clinical insult or presents with new/worsening respiratory symptoms if the clinical insult is unknown. Approximately 40% of the ARDS cases have a fatal outcome. Transfusion-related acute lung injury (TRALI), on the other hand, is characterized by the occurrence of respiratory distress and acute lung injury, which presents within 6 h after administration of a blood transfusion...
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30498406/granulocytes-from-basic-research-to-clinical-use
#17
EDITORIAL
Torsten J Schulze, Peter Bugert
No abstract text is available yet for this article.
October 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30283277/transfusion-support-of-minority-patients-extended-antigen-donor-typing-and-recruitment-of-minority-blood-donors
#18
REVIEW
Jenna Khan, Meghan Delaney
One of the most important and persistent complications of blood transfusion is red blood cell (RBC) alloimmunization. When a patient is exposed to RBC antigens that differ from their own they can form alloantibodies to these foreign antigens. Blood group antigens are highly conserved and follow ancestral patterns of inheritance that may demonstrate population restriction. Minority populations who require chronic transfusion are at particularly high risk of alloimmunization when the blood donor population does not share the same ancestral background, resulting in exposure to non-self RBC antigens...
July 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30283276/genotyping-in-sickle-cell-disease-patients-the-french-strategy
#19
REVIEW
Aline Floch, Christophe Tournamille, Btissam Chami, France Pirenne
This review presents the French strategy for blood group genotyping in high-responder and newly diagnosed sickle cell disease (SCD) patients. In addition to FY , JK , and MNS genotyping, the RH blood group system is now explored in SCD patients in France. Molecular typing has been used for the deduction of partial RH2 (C) antigens since 2010, and the gradual implementation of systematic RHD and RHCE genotyping nationwide was initiated in late 2014. In our laboratory, 962 RH:2 (C-positive) SCD patients have been tested since 2010, and 1,148 SCD patients of all RH phenotypes have been genotyped for clinically relevant alleles of RHD and RHCE since late 2014...
July 2018: Transfusion Medicine and Hemotherapy
https://read.qxmd.com/read/30283275/optimized-antigen-matched-in-sickle-cell-disease-patients-chances-and-challenges-in-molecular-times-the-brazilian-way
#20
REVIEW
Lilian Castilho, Carla Luana Dinardo
The development of red blood cell (RBC) alloantibodies and autoantibodies complicates transfusion therapy in sickle cell disease (SCD) patients. In an effort to reduce the risk of alloimmunization, some strategies have been used to provide antigen-matched RBC transfusions to patients with SCD in Brazil, including molecular matching in 3 levels: RH and K matching; extended matching (RH, KEL, FY, JK, MNS, DI), and extended matching including RHD and RHCE variant alleles. Molecular matching has shown clinical benefits to the patients with SCD, contributing significantly to reduce the rates of alloimmunization...
July 2018: Transfusion Medicine and Hemotherapy
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