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Transfusion

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https://www.readbyqxmd.com/read/28205241/septic-transfusion-case-caused-by-a-platelet-pool-with-visible-clotting-due-to-contamination-with-staphylococcus-aureus
#1
Maria Loza-Correa, Yuntong Kou, Mariam Taha, Miloslav Kalab, Jennifer Ronholm, Patrick M Schlievert, Michael P Cahill, Robert Skeate, Christine Cserti-Gazdewich, Sandra Ramirez-Arcos
BACKGROUND: Contamination of platelet concentrates (PCs) with Staphylococcus aureus is one of the most significant ongoing transfusion safety risks in developed countries. CASE REPORT: This report describes a transfusion reaction in an elderly patient diagnosed with acute myeloid leukemia, transfused with a 4-day-old buffy coat PC through a central venous catheter. The transfusion was interrupted when a large fibrous clot in the PC obstructed infusion pump flow...
February 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28205236/trends-in-us-minority-red-blood-cell-unit-donations
#2
Mark H Yazer, Meghan Delaney, Marc Germain, Matthew S Karafin, Merlyn Sayers, Ralph Vassallo, Alyssa Ziman, Beth Shaz
BACKGROUND: To provide the appropriately diverse blood supply necessary to support alloimmunized and chronically transfused patients, minority donation recruitment programs have been implemented. This study investigated temporal changes in minority red blood cell (RBC) donation patterns in the United States. STUDY DESIGN AND METHODS: Data on donor race and ethnicity from 2006 through 2015, including the number of unique donors, collections, RBCs successfully donated, and average annual number of RBC donations per donor (donor fraction), were collected from eight US blood collectors...
February 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28194799/relative-analytical-sensitivity-of-donor-nucleic-acid-amplification-technology-screening-and-diagnostic-real-time-polymerase-chain-reaction-assays-for-detection-of-zika-virus-rna
#3
Mars Stone, Marion C Lanteri, Sonia Bakkour, Xutao Deng, Susan A Galel, Jeffrey M Linnen, Jorge L Muñoz-Jordán, Robert S Lanciotti, Maria Rios, Pierre Gallian, Didier Musso, José E Levi, Ester C Sabino, Lark L Coffey, Michael P Busch
BACKGROUND: Zika virus (ZIKV) has spread rapidly in the Pacific and throughout the Americas and is associated with severe congenital and adult neurologic outcomes. Nucleic acid amplification technology (NAT) assays were developed for diagnostic applications and for blood donor screening on high-throughput NAT systems. We distributed blinded panels to compare the analytical performance of blood screening relative to diagnostic NAT assays. STUDY DESIGN AND METHODS: A 25-member, coded panel (11 half-log dilutions of a 2013 French Polynesia ZIKV isolate and 2015 Brazilian donor plasma implicated in transfusion transmission, and 3 negative controls) was sent to 11 laboratories that performed 17 assays with 2 to 12 replicates per panel member...
February 14, 2017: Transfusion
https://www.readbyqxmd.com/read/28194794/mutations-of-the-klf1-gene-detected-in-japanese-with-the-in-lu-phenotype
#4
Miho Kawai, Kumi Obara, Takayuki Onodera, Takayuki Enomoto, Kenichi Ogasawara, Hatsue Tsuneyama, Makoto Uchikawa, Shoichi Inaba
BACKGROUND: In(Lu) is characterized by a reduced expression of antigens in the Lutheran blood group system as well as other blood group antigens. Mutations of the erythroid transcription factor, KLF1, have been reported to cause the In(Lu) phenotype, and we investigated Japanese In(Lu) to estimate the prevalence of the phenotype and KLF1 polymorphism. STUDY DESIGN AND METHODS: Blood samples were screened by monoclonal anti-CD44 and the In(Lu) phenotype was confirmed by tube tests including adsorption and elution tests using anti-Lu(a) and anti-Lu(b) ...
February 14, 2017: Transfusion
https://www.readbyqxmd.com/read/28191640/pathogen-safety-of-a-pasteurized-four-factor-human-prothrombin-complex-concentrate-preparation-using-serial-20n-virus-filtration
#5
Thomas Nowak, Birgit Popp, Albrecht Gröner, Wolfram Schäfer, Uwe Kalina, Karlheinz Enssle, Nathan J Roth
BACKGROUND: Beriplex P/N/Kcentra/Coaplex/Confidex is a four-factor human prothrombin complex concentrate (PCC). Here, we describe the pathogen safety profile and biochemical characteristics of an improved manufacturing process that further enhances the virus safety of Beriplex P/N. STUDY DESIGN AND METHODS: Samples of product intermediates were spiked with test viruses, and prions were evaluated under routine production and robustness conditions of the scale-down version of the commercial manufacturing process for their capacity to inactivate or remove pathogens...
February 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28191636/cancer-type-predicts-alloimmunization-following-rhd-incompatible-rbc-transfusions
#6
Komal Arora, James Kelley, Dawen Sui, Jing Ning, Fernando Martinez, Benjamin Lichtiger, Ashok Tholpady
BACKGROUND: Immunosuppressed, RhD-negative oncology patients tend to have lower rates of sensitization to the D antigen when they receive transfusion with RhD-positive blood components. Clinical factors associated with alloimmunization to the D antigen in RhD-negative oncology patients when they receive transfusion with RhD-positive red blood cells (RBCs) have not been well defined. STUDY DESIGN AND METHODS: This was a 4-year, retrospective analysis identifying RhD-negative oncology patients who received RhD-positive RBCs and were not previously alloimmunized to the D antigen...
February 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28185296/a-report-of-cerebral-malaria-treated-with-automated-red-blood-cell-exchange
#7
Waseem Q Anani, Gerald P Smith, Mehraboon Irani, Kathleen E Puca
BACKGROUND: Adjunctive automated whole blood or red blood cell exchange (RBCEx) can rapidly decrease malarial hyperparasitemia. Several case reports and series suggest improvement in clinical symptomatology; however, recent Centers of Disease Control and Prevention (CDC) recommendations concluded that RBCEx has no efficacy as an adjunctive therapy. We present a case of mental status changes secondary to cerebral malaria treated with automated RBCEx resulting in rapid and dramatic neurologic improvement...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28185286/a-high-resolution-process-based-view-of-a-red-blood-cell-unit-inventory-using-a-process-mining-method
#8
Calvino Ka-Wing Cheng
No abstract text is available yet for this article.
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28185278/zika-virus-and-blood-transfusion-the-experience-of-french-polynesia
#9
Damien Bierlaire, Sylvie Mauguin, Julien Broult, Didier Musso
BACKGROUND: Between October 2013 and March 2014, French Polynesia experienced the largest Zika virus (ZIKV) outbreak ever described before the emergence of ZIKV in the Americas in 2015. As arbovirus transfusion-transmitted (TT) infections have been previously reported, we hypothesized that transfusion of blood products could also transmit ZIKV. STUDY DESIGN AND METHODS: Mitigation strategies to prevent ZIKV-TT infections included nonspecific measures and the implementation of a laboratory developed ZIKV-specific nucleic acid testing (NAT) assay...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28185276/patient-age-and-number-of-apheresis-days-may-predict-development-of-secondary-myelodysplastic-syndrome-and-acute-myelogenous-leukemia-after-high-dose-chemotherapy-and-autologous-stem-cell-transplantation-for-lymphoma
#10
Isabell Ge, Rima M Saliba, Farzaneh Maadani, Uday R Popat, Muzaffar H Qazilbash, Sai Ravi Pingali, Nina Shah, Sairah Ahmed, Qaiser Bashir, Yago Nieto, Richard E Champlin, Chitra Hosing
BACKGROUND: The goal of our study was to find predictors for the development of secondary myelodysplastic syndrome or acute myelogenous leukemia (s-MDS/AML) in patients with relapsed or refractory lymphoma who received high-dose chemotherapy and autologous stem cell transplantation (ASCT). STUDY DESIGN AND METHODS: We conducted a retrospective review of 295 patients with relapsed or refractory lymphoma who had undergone their first stem cell collection and ASCT...
February 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28182293/standardizing-the-freeze-thaw-preparation-of-growth-factors-from-platelet-lysate
#11
Gabriel Strandberg, Felix Sellberg, Pehr Sommar, Martin Ronaghi, Norbert Lubenow, Folke Knutson, David Berglund
BACKGROUND: Over the past decades, the focus on the regenerative properties of platelets (PLTs) has intensified and many PLT-derived growth factors are readily used in medical settings. A general lack of standardization in the preparation of these growth factors remains, however, and this study therefore examines the dynamics of growth factors throughout the freeze-thaw procedure. STUDY DESIGN AND METHODS: Plateletpheresis (PA) and PLT-poor plasma (PPP) samples were collected from 10 healthy donors...
February 9, 2017: Transfusion
https://www.readbyqxmd.com/read/28168852/hemoglobin-screening-in-blood-donors-a-prospective-study-assessing-the-value-of-an-invasive-and-a-noninvasive-point-of-care-device-for-donor-safety
#12
Dorien De Clippel, Leen Van Heddegem, Giovani Vandewalle, Philippe Vandekerckhove, Veerle Compernolle
BACKGROUND: Low hemoglobin (Hb) levels are a common reason for whole blood donor deferral. As some of the deferred donors do not return to donate blood later, the development of accurate tools to reliably detect low Hb levels is therefore important for donor safety and retention. STUDY DESIGN AND METHODS: In a prospective study, 1483 whole blood donors were enrolled in three study arms. In each study arm the Hb results measured with a point-of-care testing device were compared with the venous Hb results obtained in our central laboratory...
February 6, 2017: Transfusion
https://www.readbyqxmd.com/read/28164344/qualitative-assessment-of-pica-experienced-by-frequent-blood-donors
#13
Melanie C Chansky, Melissa R King, Walter Bialkowski, Barbara J Bryant, Joseph E Kiss, Pam D'Andrea, Ritchard G Cable, Bryan R Spencer, Alan E Mast
BACKGROUND: Pica, the compulsive consumption of ice or other nonnutritious substances, is associated with iron deficiency, a common negative consequence of frequent blood donation. Because of this, blood donors, such as those participating in the Strategies to Reduce Iron Deficiency (STRIDE) study, are an ideal population to explore pica and iron deficiency. STUDY DESIGN AND METHODS: STRIDE was a 2-year intervention trial to assess the effectiveness of iron supplementation for mitigating iron deficiency in frequent blood donors...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164316/first-description-of-a-d-ce-d-hybrid-gene-on-a-weak-d-type-2-molecular-background
#14
Thomas Granier, Jacques Chiaroni, Pascal Bailly, Monique Silvy
BACKGROUND: RhD phenotypes that express a significantly reduced amount of RhD antigen per red blood cell may be mistyped as RhD-negative by standard serologic methods. The molecular identification of weak D Type 1, 2, or 3 carriers allows managing them as RhD-positive and, thus, rationalizes the use of RhD-negative stock units and the administration of Rh-immunoglobulin prophylaxis, avoiding unnecessary costs and possible side effects. STUDY DESIGN AND METHODS: One sample was investigated for confirming a D-C-E+c+e- phenotype...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164314/a-probable-case-of-west-nile-virus-transfusion-transmission
#15
Jamel A Groves, Hedyeh Shafi, Jim H Nomura, Ross M Herron, Devin Baez, Roger Y Dodd, Susan L Stramer
BACKGROUND: Transfusion-transmitted West Nile virus (WNV) infection is infrequent as a result of minipool (MP) and individual-donation (ID) nucleic acid testing (NAT) of blood donations. ID-NAT is triggered on the basis of local WNV activity identified by MP-NAT. STUDY DESIGN AND METHODS: A 78-year-old male patient who was treated for cardiac disease received 14 blood components from 30 donors in August 2016. He was discharged 7 days after aortic valve replacement and coronary bypass surgery, but was re-admitted on Day 12 with symptoms of viral infection, and eventually was diagnosed with aseptic meningitis...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164313/the-characteristics-of-hepatitis%C3%A2-b-surface-antigen-hbsag-negative-hepatitis%C3%A2-b-virus-hbv-infection-in-chinese-blood-donors-a-follow-up-study-of-donors-tested-negative-for-hbsag-and-reactive-for-simultaneous-nucleic-acid-testing-of-hbv-hepatitis%C3%A2-c-virus-and
#16
Zhaofu Guo, Ping Fu, Yijin Yin, Funeng Wang, Yiqing Yin, Jingxing Wang, Yu Liu
BACKGROUND: The real infection status of hepatitis B virus (HBV) of hepatitis B surface antigen (HBsAg)-negative yet nucleic acid test (NAT)-positive blood donors is difficult to clarify. Detailed follow-up study is needed for analyzing the infectivity of these blood donors. STUDY DESIGN AND METHODS: Blood donors who screened negative for HBsAg and reactive for simultaneous NAT of HBV, hepatitis C virus (HCV), and human immunodeficiency virus (HIV) were included in a follow-up epidemiologic questionnaire survey and contributed follow-up samples for further testing...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164310/first-zika-positive-donations-in-the-continental-united-states
#17
Susan A Galel, Phillip C Williamson, Michael P Busch, Danielle Stanek, Sonia Bakkour, Mars Stone, Kai Lu, Scott Jones, Susan N Rossmann, Lisa Lee Pate
BACKGROUND: Zika virus (ZIKV) has spread in the Americas, including parts of the southern United States, and infection can be associated with serious complications, including congenital brain abnormalities. Probable transfusion transmission of ZIKV has been documented in Brazil. STUDY DESIGN AND METHODS: Preemptive testing of blood donations for ZIKV RNA was implemented in southern US states at risk of local transmission using a test approved under a Food and Drug Administration (FDA) investigational new drug application, cobas Zika...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164309/the-thor-group-and-the-way-far-forward-transfusion-medicine-support-is-vital-to-the-mission
#18
James R Stubbs
No abstract text is available yet for this article.
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164307/how-to-quantify-microparticles-in-rbcs-a-validated-flow-cytometry-method-allows-the-detection-of-an-increase-in-microparticles-during-storage
#19
Clémentine Gamonet, Guillaume Mourey, Sophie Aupet, Sabéha Biichle, Régis Petitjean, Chrystelle Vidal, Aurore Pugin, Christian Naegelen, Pierre Tiberghien, Pascal Morel, Fanny Angelot-Delettre, Estelle Seilles, Philippe Saas, Laurent Bardiaux, Francine Garnache-Ottou
BACKGROUND: The procoagulant and proinflammatory microparticles (MPs) released during storage of packed red blood cells (pRBCs) can potentially modify transfusion benefits. A robust method to quantify MPs in pRBCs is needed to evaluate their impact in clinical trials. STUDY DESIGN AND METHODS: The objective was to validate the preanalytic conditions required to prepare pRBC supernatant as well as a method to quantify and evaluate MP variations over 42 days of pRBC storage...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28164306/amustaline-s-303-treatment-inactivates-high-levels-of-zika-virus-in-red-blood-cell-components
#20
Andrew Laughhunn, Felicia Santa Maria, Julien Broult, Marion C Lanteri, Adonis Stassinopoulos, Didier Musso, Maite Aubry
BACKGROUND: The potential for Zika virus (ZIKV) transmission by blood transfusion (TT) has been demonstrated in French Polynesia and Brazil. Pathogen inactivation (PI) of blood products is a proactive strategy to inactivate TT pathogens including arboviruses. Inactivation of West Nile, dengue, Zika, and chikungunya viruses was previously demonstrated by photochemical treatment with amotosalen and ultraviolet A (UVA) illumination. In this study, we evaluated ZIKV inactivation in red blood cell (RBC) components by a chemical approach that uses amustaline (S-303) and glutathione (GSH)...
February 5, 2017: Transfusion
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