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Transfusion

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https://www.readbyqxmd.com/read/28518345/severe-neonatal-alloimmune-thrombocytopenia-caused-by-maternal-sensitization-against-a-new-low-frequency-alloantigen-dom-b-located-on-platelet-glycoprotein-iiia
#1
Mia J Sullivan, Randy Kuhlmann, Julie A Peterson, Brian R Curtis
No abstract text is available yet for this article.
May 18, 2017: Transfusion
https://www.readbyqxmd.com/read/28518220/postdonation-iron-replacement-for-maintaining-iron-stores-in-female-whole-blood-donors-in-routine-donor-practice-results-of-two-feasibility-studies-in-australia
#2
Sant-Rayn Pasricha, Denese C Marks, Hannah Salvin, Tania Brama, Anthony J Keller, Joanne Pink, Joanna Speedy
BACKGROUND: Iron deficiency represents a risk to donor health and the blood supply. Efficacy trials indicate that postdonation iron replacement improves iron stores but they do not account for complexities of implementation in the routine collection context. We therefore conducted two prospective feasibility studies in Australian donor centers. STUDY DESIGN AND METHODS: In both studies we recruited female donors between 18 and 45 years who had made at least one donation in the previous 12 months...
May 18, 2017: Transfusion
https://www.readbyqxmd.com/read/28508402/risk-factors-for-human-immunodeficiency-virus-among-blood-donors-in-cameroon-evidence-for-the-design-of-an-africa-specific-donor-history-questionnaire
#3
Claude T Tagny, Georges Nguefack-Tsague, Diderot Fopa, Celestin Ashu, Estel Tante, Pauline Ngo Balogog, Olivier Donfack, Dora Mbanya, Syria Laperche, Edward Murphy
BACKGROUND: In sub-Saharan Africa improving the deferral of at-risk blood donors would be a cost-effective approach to reducing transfusion-transmitted human immunodeficiency virus (HIV) infections. We performed a pilot case-control study to identify the risk factors for HIV infection and to develop an adapted donor history questionnaire (DHQ) for sub-Saharan Africa. STUDY DESIGN AND METHODS: We recruited 137 HIV-positive donors (cases) and 256 HIV-negative donors (controls) and gathered risk factor data using audio computer-assisted self-interview...
May 15, 2017: Transfusion
https://www.readbyqxmd.com/read/28500682/red-blood-cell-transfusions-during-sickle-cell-anemia-vaso-occlusive-crises-a-report-from-the-magnesium-in-crisis-magic-study
#4
Monica L Hulbert, Julie A Panepinto, J Paul Scott, Robert I Liem, Lawrence J Cook, Timothy Simmons, David C Brousseau
BACKGROUND: Little is known about red blood cell (RBC) transfusion practices for children hospitalized for a sickle cell vaso-occlusive pain crisis (VOC). We hypothesized that transfusion would be associated with the development of acute chest syndrome (ACS), lower hemoglobin (Hb) concentration, and lack of hydroxyurea therapy. STUDY DESIGN AND METHODS: This is a secondary analysis of all children admitted for a sickle cell pain crisis enrolled in the Magnesium in Crisis (MAGiC) randomized trial; all had HbSS or S-β(0) thalassemia...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500654/altered-timing-of-riboflavin-and-ultraviolet-light-pathogen-inactivation-improves-platelet-in-vitro-quality
#5
Peter Schubert, Brankica Culibrk, Simrath Karwal, Katherine Serrano, Elena Levin, QiLong Yi, Thomas Thiele, Andreas Greinacher, Susanne Marschner, Dana V Devine
BACKGROUND: The platelet (PLT) storage lesion is in part caused by the collection and/or production process. Pathogen inactivation (PI) further accelerates its development leading to a reduced in vitro PLT functionality and hence quality. Although the treatment of PLT concentrates (PCs) with riboflavin and ultraviolet light PI should occur within 22 hours of collection, in this study the impact of treatment timing on in vitro PLT quality was investigated. STUDY DESIGN AND METHODS: Apheresis PCs were PI treated on the day of production or on Days 1, 3, or 4 of storage or left untreated as control...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500653/blood-transfusion-in-the-surgical-treatment-of-adolescent-idiopathic-scoliosis-a-single-center-experience-of-patient-blood-management-in-210-cases
#6
Søren Ohrt-Nissen, Naeem Bukhari, Casper Dragsted, Martin Gehrchen, Pär I Johansson, Jesper Dirks, Jakob Stensballe, Benny Dahl
BACKGROUND: The surgical treatment of adolescent idiopathic scoliosis can be associated with substantial blood loss, requiring allogeneic red blood cell (RBC) transfusion. This study describes the use of RBC and the effect of a standardized perioperative patient blood management program. STUDY DESIGN AND METHODS: Patients treated with posterior instrumented fusion were consecutively enrolled over a 6-year period. Patient blood management strategies were implemented in 2011, including prophylactic tranexamic acid, intraoperative permissive hypotension, restrictive fluid therapy (including avoidance of synthetic colloids), restrictive RBC trigger according to institutional standardized protocol, the use of cell savage, and goal-directed therapy according to thrombelastography...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500652/freeze-dried-plasma-enhances-clot-formation-and-inhibits-fibrinolysis-in-the-presence-of-tissue-plasminogen-activator-similar-to-pooled-liquid-plasma
#7
Benjamin R Huebner, Ernest E Moore, Hunter B Moore, Angela Sauaia, Gregory Stettler, Monika Dzieciatkowska, Kirk Hansen, Anirban Banerjee, Christopher C Silliman
BACKGROUND: Systemic hyperfibrinolysis is an integral part of trauma-induced coagulopathy associated with uncontrolled bleeding. Recent data suggest that plasma-first resuscitation attenuates hyperfibrinolysis; however, the availability, transport, storage, and administration of plasma in austere environments remain challenging and have limited its use. Freeze-dried plasma (FDP) is a potential alternative due to ease of storage, longer shelf life, and efficient reconstitution. FDP potentially enhances clot formation and resists breakdown better than normal saline (NS) and albumin and similar to liquid plasma...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500639/comparison-of-transfusion-thresholds-during-neonatal-extracorporeal-membrane-oxygenation
#8
Alexandra A Sawyer, Linda Wise, Santu Ghosh, Jatinder Bhatia, Brian K Stansfield
BACKGROUND: The objective of this study was to assess complications and patient outcomes associated with a lower reflexive red blood cell (RBC) transfusion threshold for neonates undergoing extracorporeal membrane oxygenation (ECMO) for hypoxic respiratory failure. STUDY DESIGN AND METHODS: A retrospective cohort study was conducted at a single tertiary neonatal intensive care unit of neonates undergoing ECMO support for refractory hypoxic respiratory failure for more than 24 hours between December 2009 and December 2014...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28500622/implementation-of-a-rapid-assay-of-adamts13-activity-was-associated-with-improved-30-day-survival-rate-in-patients-with-acquired-primary-thrombotic-thrombocytopenic-purpura-who-received-platelet-transfusions
#9
Yumi Yoshii, Yoshihiro Fujimura, Charles L Bennett, Ayami Isonishi, Norio Kurumatani, Masanori Matsumoto
BACKGROUND: Platelet (PLT) transfusions are probably harmful in patients with acquired idiopathic thrombotic thrombocytopenic purpura (aTTP). Introduction of a rapid assay for ADAMTS13 activity should reduce the time to definite diagnosis of aTTP, reduce the amount of inappropriately transfused PLT concentrates, and improve mortality and morbidity. STUDY DESIGN AND METHODS: We selected 265 aTTP patients with severe ADAMTS13 deficiency. Of these, 91 patients were diagnosed by March 2005 (Period 1), when ADAMTS13 activity was measured by von Willebrand factor multimer assay, which took 4 to 7 days until the result was reported...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28497550/metagenomics-analysis-of-red-blood-cell-and-fresh-frozen-plasma-units
#10
Pierre Lau, Samuel Cordey, Francisco Brito, Diderik Tirefort, Thomas J Petty, Lara Turin, Arthur Guichebaron, Mylène Docquier, Evgeny M Zdobnov, Sophie Waldvogel-Abramowski, Thomas Lecompte, Laurent Kaiser, Olivier Preynat-Seauve
BACKGROUND: Although the risk of transmitting infectious agents by blood transfusion is dramatically reduced after donor selection, leukoreduction, and laboratory testing, some could still be present in donor's blood. A description of metagenomes in blood products eligible for transfusion represents relevant information to evaluate the risk of pathogen transmission by transfusion. STUDY DESIGN AND METHODS: Detection of viruses, bacteria, and fungi genomes was made by high-throughput sequencing (HTS) of 600 manufactured blood products eligible for transfusion: 300 red blood cell (RBC) and 300 fresh-frozen plasma (FFP) units...
May 11, 2017: Transfusion
https://www.readbyqxmd.com/read/28474469/how-do-i-work-up-pretransfusion-samples-containing-anti-cd38
#11
Waseem Q Anani, Kathleen Duffer, Richard M Kaufman, Gregory A Denomme
Anti-CD38 is used to treat relapsed or treatment-refractory multiple myeloma. CD38 monoclonal antibodies, however, can interfere with routine blood bank serologic tests. Agglutination is observed at the indirect phase of testing as the drug binds to red blood cells (RBCs). Resolving the testing interference causes delays issuing RBC units to patients with anemia. A number of devised methods to eliminate or bypass the effects of anti-CD38 on serologic tests are in use but no panacea exists. The limitations of each method require each testing site tailor an approach to best fit their needs...
May 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28474337/impact-of-predictive-scoring-model-and-e-mail-messages-on-african-american-blood-donors
#12
Lohith S Bachegowda, Brad Timm, Pinaki Dasgupta, Christopher D Hillyer, Debra Kessler, Mark Rebosa, Christopher R France, Beth H Shaz
BACKGROUND: Expanding the African American (AA) donor pool is critical to sustain transfusion support for sickle cell disease patients. STUDY DESIGN AND METHODS: The aims were to: 1) apply cognitive computing on donation related metrics to develop a predictive model that effectively identifies repeat AA donors, 2) determine whether a single e-mail communication could improve AA donor retention and compare retention results on higher versus lower predictive score donors, and 3) evaluate the effect of e-mail marketing on AA donor retention with culturally versus nonculturally tailored message...
May 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28474347/optimization-of-cord-blood-unit-sterility-testing-impact-of-dilution-analysis-delay-and-inhibitory-substances
#13
Mélissa Girard, Audrey Laforce-Lavoie, Marie Joëlle de Grandmont, Marie-Pierre Cayer, Diane Fournier, Gilles Delage, Louis Thibault
BACKGROUND: Different methods are used by cord blood banks to prepare samples for sterility testing. Suboptimal methods can result in the release of contaminated products. In our organization, samples are prepared by diluting the final product in RPMI-1640 medium. In this work, we have compared our method with different approaches to verify whether optimization should be sought. STUDY DESIGN AND METHODS: Cord blood units (n = 6 units per bacterial strain) characterized to contain inhibitory substances or not were inoculated (10 colony-forming units/mL) with Streptococcus agalactiae, Staphylococcus epidermidis, Klebsiella pneumoniae, Escherichia coli, or Bacteroides fragilis...
May 4, 2017: Transfusion
https://www.readbyqxmd.com/read/28470742/platelet-proteins-cause-basophil-histamine-release-through-an-immunoglobulin-dependent-mechanism
#14
Donna Dong-Young Lee, Igla Muskaj, William Savage
BACKGROUND: A general understanding of allergic transfusion reaction mechanisms remains elusive. Multiple mechanisms have been proposed, but none have been compared experimentally. STUDY DESIGN AND METHODS: We used histamine release (HR) from healthy human donor basophils to model allergic transfusion reactions. Platelet component supernatant (plasma), platelet lysate, and manipulated platelet lysates (dialyzed, delipidated, trypsinized, mild heat-inactivated, and ultracentrifuged) were used to characterize allergic stimuli...
May 4, 2017: Transfusion
https://www.readbyqxmd.com/read/28470789/first-report-of-rhnull-individuals-in-the-indian-population-and-characterization-of-the-underlying-molecular-mechanisms
#15
Swati S Kulkarni, Kasiviswanathan Vasantha, Harita Gogri, Disha Parchure, Manisha Madkaikar, Claude Férec, Yann Fichou
BACKGROUND: Rhnull phenotype is an extremely rare condition characterized by no expression of Rh antigens at the surface of red blood cells. Although rare, genetic bases of this phenotype are well known and include mutations within either the RH (RHD and RHCE) genes or the RHAG gene. So far Rhnull has been reported in individuals of Caucasian, African, and Asian origin. Here, we report individuals from two families of Indian origin representing such a rare phenotype. STUDY DESIGN AND METHODS: Serologic analysis was carried out by testing with anti-D, -C, -c, -E, and -e in Rhnull individuals and their family members...
May 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28470756/differentiating-pulmonary-transfusion-reactions-using-recipient-and-transfusion-factors
#16
Nareg H Roubinian, Mark R Looney, Sheila Keating, Daryl J Kor, Clifford A Lowell, Ognjen Gajic, Rolf Hubmayr, Michael Gropper, Monique Koenigsberg, Gregory A Wilson, Michael A Matthay, Pearl Toy, Edward L Murphy
BACKGROUND: It is increasingly recognized that recipient risk factors play a prominent role in possible transfusion-related acute lung injury (pTRALI) and transfusion-associated circulatory overload (TACO). We hypothesized that both transfusion and recipient factors including natriuretic peptides could be used to distinguish TRALI from TACO and pTRALI. STUDY DESIGN AND METHODS: We performed a post hoc analysis of a case-control study of pulmonary transfusion reactions conducted at the University of California at San Francisco and Mayo Clinic, Rochester...
May 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28470719/from-total-blood-exchange-to-erythrocytapheresis-and-back-to-treat-complications-of-sickle-cell-disease
#17
Samir K Ballas
Erythrocytapheresis is an important procedure in the management of certain complications of sickle cell disease, including acute stroke, stroke prevention, acute chest syndrome, and multiorgan failure. Erythrocytapheresis in sickle cell disease simply entails the removal of the patient's red blood cells containing the abnormal sickle hemoglobin and replacing them with normal red blood cells carrying normal hemoglobin. In these procedures, the patient's plasma is not exchanged but is returned to the patient...
May 3, 2017: Transfusion
https://www.readbyqxmd.com/read/28453219/clinical-methods-of-cryopreservation-for-donor-lymphocyte-infusions-vary-in-their-ability-to-preserve-functional-t-cell-subpopulations
#18
D Nicole Worsham, Jo-Anna Reems, Zbigniew M Szczepiorkowski, David H McKenna, Thomas Leemhuis, Aby J Mathew, Jose A Cancelas
BACKGROUND: Cryopreserved donor lymphocyte infusion (DLI) products are manufactured and administered to treat relapse after allogeneic hematopoietic stem cell transplantation. Reported clinical responses to DLIs vary broadly, even within the same group of patients. While there is an implicit recognition of the fact that different manufacturing protocols may have specific effects on different cell types, cryopreservation protocols are frequently derived from our experience in the cryopreservation of stem cell products and do not account for the heterogeneous functional nature of DLI T-cell populations...
April 28, 2017: Transfusion
https://www.readbyqxmd.com/read/28453188/description-of-15-dna-positive-and-antibody-negative-window-period-blood-donations-identified-during-prospective-screening-for-babesia-microti
#19
Erin D Moritz, Mary Ellen Hewins, Victor P Berardi, Roger Y Dodd, Susan L Stramer
BACKGROUND: Blood donation screening detecting only antibodies fails to identify donors in the earliest stage of infection, before a detectable immunologic response, that is, the "window period" (WP). We present data on WP donations identified during prospective screening for Babesia microti, a transfusion-transmissible parasite of increasing concern in the United States. STUDY DESIGN AND METHODS: Blood donations collected in Connecticut, Massachusetts, Minnesota, and Wisconsin were screened using polymerase chain reaction (PCR) and arrayed fluorescence immunoassay (AFIA) to detect B...
April 28, 2017: Transfusion
https://www.readbyqxmd.com/read/28453178/seroprevalence-of-hepatitis-e-virus-among-blood-donors-in-qatar-2013-2016
#20
Gheyath K Nasrallah, Enas S Al Absi, Rula Ghandour, Nadima H Ali, Sara Taleb, Laila Hedaya, Fatima Ali, Mariam Huwaidy, Abdullatif Husseini
BACKGROUND: Hepatitis E virus (HEV) is an RNA virus transmitted mainly through zoonotic transmission or fecal-oral route. More than 80% of Qatar's population are expatriates, including many coming from hyperendemic countries; thus, it is important to estimate the seroprevalence and to compare between different nationalities. The results can be useful in alerting blood banks to the importance of HEV screening. STUDY DESIGN AND METHODS: Samples from 5854 blood donations provided by Hamad Medical Corporation were tested in the period between June 2013 to June 2016...
April 28, 2017: Transfusion
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