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Transfusion

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https://www.readbyqxmd.com/read/28734023/how-do-we-manage-blood-donors-and-recipients-after-a-positive-zika-screening-result
#1
Alexandra Jimenez, Beth H Shaz, Debra Kessler, Evan M Bloch
Zika virus (ZIKV) is a mosquito-borne flavivirus that is the focus of an ongoing pandemic. ZIKV is notable for its severe neurologic sequelae in babies born to infected mothers. High rates of subclinical infection, as evidenced by the finding of ZIKV RNA in asymptomatic donors, raise concerns of risk to the blood supply. To date, a total of four suspected cases of transfusion-transmitted ZIKV have been reported (all in Brazil), none of which were associated with clinical infection in the transfusion recipients...
July 21, 2017: Transfusion
https://www.readbyqxmd.com/read/28734018/influence-of-cryoprecipitate-factor-xiii-and-fibrinogen-concentrate-on-hyperfibrinolysis
#2
Melissa M Cushing, Meghann M Fitzgerald, Rebecca M Harris, Lars M Asmis, Thorsten Haas
BACKGROUND: Hyperfibrinolysis is a potentially life-threatening condition associated with poor clot integrity and excessive bleeding. Although antifibrinolytics are an effective treatment, more liberal use of these drugs may lead to a prothrombotic risk, and an earlier and potentially safer treatment option would be desirable. Hyperfibrinolysis has been shown to be attenuated by in vitro supplementation of purified human Factor (F)XIII concentrate. Cryoprecipitate represents an alternative source of FXIII and the only approved source of concentrated FXIII in some countries...
July 21, 2017: Transfusion
https://www.readbyqxmd.com/read/28727139/effect-of-solvent-detergent-treated-pooled-plasma-on-fibrinolysis-in-reconstituted-whole-blood
#3
Nicholas H Saadah, Pieter F van der Meer, Herm Jan M Brinkman, Dirk de Korte, Ido J Bontekoe, Herbert H Korsten, Rutger A Middelburg, Johanna G van der Bom, Martin R Schipperus
BACKGROUND: Hyperfibrinolysis has been observed in patients heavily transfused with solvent/detergent-treated pooled plasma (S/D plasma). We compared coagulation and fibrinolytic variables in blood containing S/D plasma with blood containing fresh-frozen plasma (FFP), with and without α2-antiplasmin or tranexamic acid (TXA) supplementation. STUDY DESIGN AND METHODS: Whole blood samples were reconstituted from red blood cells, platelet (PLT) concentrates, and varying mixtures of FFP and S/D plasma...
July 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28718518/reduction-of-zika-virus-infectivity-in-platelet-concentrates-after-treatment-with-ultraviolet-c-light-and-in-plasma-after-treatment-with-methylene-blue-and-visible-light
#4
Jesse J Fryk, Denese C Marks, Jody Hobson-Peters, Daniel Watterson, Roy A Hall, Paul R Young, Stefan Reichenberg, Frank Tolksdorf, Chryslain Sumian, Ute Gravemann, Axel Seltsam, Helen M Faddy
BACKGROUND: Zika virus (ZIKV) has emerged as a potential threat to transfusion safety worldwide. Pathogen inactivation is one approach to manage this risk. In this study, the efficacy of the THERAFLEX UV-Platelets system and THERAFLEX MB-Plasma system to inactivate ZIKV in platelet concentrates (PCs) and plasma was investigated. STUDY DESIGN AND METHODS: PCs spiked with ZIKV were treated with the THERAFLEX UV-Platelets system at 0.05, 0.10, 0.15, and 0.20 J/cm(2) UVC...
July 17, 2017: Transfusion
https://www.readbyqxmd.com/read/28714229/implementing-a-protocol-to-optimize-blood-use-in-a-cardiac-surgery-service-results-of-a-pre-post-analysis-and-the-impact-of-high-volume-blood-users
#5
Juan B Grau, Jacqueline H Fortier, Cyrus Kuschner, Giovanni Ferrari, Mariano E Brizzio, Alex Zapolanski, Richard E Shaw
BACKGROUND: Blood transfusions are a common and costly intervention for cardiac surgery patients. Evidence suggests that a more restrictive transfusion strategy may reduce costs and transfusion-related complications without increasing perioperative morbidity and mortality. STUDY DESIGN AND METHODS: A transfusion-limiting protocol was developed and implemented in a cardiovascular surgery unit. Over a 5-year period, data were collected on patient characteristics, procedures, utilization of blood products, morbidity, and mortality, and these were compared before and after the protocol was implemented...
July 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28714065/genotyping-by-sequencing-defines-independent-novel-rhd-variants-for-an-antenatal-patient-and-a-blood-donor
#6
Genghis H Lopez, Eunike C McGowan, Jennifer A Condon, Elizna M Schoeman, Glenda M Millard, Helen O'Brien, Eileen V Roulis, Gorka Ochoa-Garay, Yew-Wah Liew, Robert L Flower, Catherine A Hyland
No abstract text is available yet for this article.
July 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28707410/treatment-of-an-acquired-factor-xiii-inhibitor-in-an-adolescent-with-systemic-lupus-erythematosus-and-renal-failure
#7
Cara A Rabik, Meredith A Atkinson, Sangeeta Sule, John J Strouse
BACKGROUND: Factor (F)XIII deficiency is a rare inherited bleeding disorder, but can also be acquired due to the development of inhibitors. CASE REPORT: A 17-year-old female with systemic lupus erythematosus and end-stage kidney disease secondary to Class IV lupus nephritis developed spontaneous subcutaneous and muscular hematomas and delayed major bleeding after invasive procedures. She had abnormal kaolin thromboelastography (kTEG; decreased maximal amplitude, representative of clot strength) initially attributed to thrombocytopenia and uremic platelet dysfunction, but her FXIII activity was undetectable, and a high-titer antibody against FXIII was identified...
July 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28703920/neutrophil-specific-antigens-immunobiology-and-implications-in-transfusion-medicine-and-blood-disorders
#8
Parviz Lalezari
No abstract text is available yet for this article.
July 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28703889/implementation-of-a-new-blood-cooler-insert-and-tracking-technology-with-educational-initiatives-and-its-effect-on-reducing-red-blood-cell-wastage
#9
Emmanuel A Fadeyi, Wanda Emery, Julie H Simmons, Mary Rose Jones, Gregory J Pomper
BACKGROUND: The objective was to report a successful implementation of a blood cooler insert and tracking technology with educational initiatives and its effect on reducing red blood cell (RBC) wastage. STUDY DESIGN AND METHODS: The blood bank database was used to quantify and categorize total RBC units issued in blood coolers from January 2010 to December 2015 with and without the new inserts throughout the hospital. Radiofrequency identification tags were used with special software to monitor blood cooler tracking...
July 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28703878/obstetric-hemorrhage-and-safe-blood-for-transfusion-in-ethiopia-the-challenges-of-bridging-the-gap
#10
REVIEW
Addisalem Taye Makuria, Daniel Gebremichael, Habtemariam Demoz, Azmach Hadush, Yetmgeta Abdella, Yemane Berhane, Naynesh Kamani
BACKGROUND: Obstetric hemorrhage is a leading cause of maternal death in sub-Saharan Africa, and the shortage of blood for transfusion is a contributory factor. In Ethiopia, the National Blood Bank Service continues to be confronted with challenges in its efforts to ensure the availability of blood for health care facilities. This paper reviews the available data on the contribution of obstetric hemorrhage to maternal mortality and examines the current status of the blood supply in Ethiopia...
July 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28703859/the-operational-implications-of-donor-behaviors-following-enrollment-in-stride-strategies-to-reduce-iron-deficiency-in-blood-donors
#11
Ritchard G Cable, Rebecca J Birch, Bryan R Spencer, David J Wright, Walter Bialkowski, Joseph E Kiss, Jorge Rios, Barbara J Bryant, Alan E Mast
BACKGROUND: Donor behaviors in STRIDE (Strategies to Reduce Iron Deficiency), a trial to reduce iron deficiency, were examined. STUDY DESIGN AND METHODS: Six hundred ninety-two frequent donors were randomized to receive either 19 or 38 mg iron for 60 days or an educational letter based on their predonation ferritin. Compliance with assigned pills, response to written recommendations, change in donation frequency, and future willingness to take iron supplements were examined...
July 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28691321/possible-trali-is-a-real-entity
#12
Nicole P Juffermans, Alexander P Vlaar
After the consensus definition of transfusion-related acute lung injury (TRALI), studies have shown that the incidence of TRALI is high in critically ill and injured patients. When another risk factor for lung injury is present in these patients, the term "possible TRALI" is used. In the past years, both animal and clinical studies have taught us that a predisposing inflammatory risk factor is frequently present in TRALI, if not mandatory. The decline in the incidence of TRALI after implementation of the use of male-only plasma as observed in general hospital patients is also seen in the critically ill and injured, suggesting that antibodies play a role in possible TRALI...
July 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28691218/safety-of-a-pasteurized-plasma-derived-factor-viii-and-von-willebrand-factor-concentrate-analysis-of-33-years-of-pharmacovigilance-data
#13
Peter Kouides, Kathrin Wawra-Hehenberger, Anna Sajan, Henry Mead, Toby Simon
BACKGROUND: Haemate-P/Humate-P (Humate-P) is a pasteurized human plasma-derived concentrate containing both Factor VIII and von Willebrand factor for treatment of hemophilia A and von Willebrand disease (VWD). STUDY DESIGN AND METHODS: We analyzed the safety of Humate-P based on more than 33 years of postmarketing pharmacovigilance data, representing an estimated exposure of approximately 25,000 patient-years. The analysis comprises reports of potential adverse drug reactions (ADRs) from all sources, reported as part of routine pharmacovigilance at CSL Behring...
July 10, 2017: Transfusion
https://www.readbyqxmd.com/read/28681548/how-do-we-reduce-plasma-transfusion-in-rhode-island
#14
Christian P Nixon, Maria F Tavares, Joseph D Sweeney
BACKGROUND: Plasma transfusions are given to patients with coagulopathy, either prophylactically, before an invasive procedure; or therapeutically, in the presence of active bleeding; and as an exchange fluid in therapeutic plasma exchange for disorders such as thrombotic thrombocytopenic purpura. There is consensus that many prophylactic plasma transfusions are non-efficacious, and the misdiagnosis of thrombotic thrombocytopenic purpura results in unnecessary therapeutic plasma exchange...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681518/the-beliefs-and-willingness-of-men-who-have-sex-with-men-to-comply-with-a-one-year-blood-donation-deferral-policy-a-cross-sectional-study
#15
Walter Liszewski, Christopher Terndrup, Nicole R Jackson, Sarah Helland, Bridget C Lavin
BACKGROUND: In 2016, the US Food and Drug Administration ended the lifetime blood donation deferral for men who have sex with men (MSM) and replaced it with a 1-year deferral period. It is currently unknown how many MSM may meet the new deferral policy and how many are willing to comply with it. STUDY DESIGN AND METHODS: An anonymous survey was shared on MSM-focused social media sites between May and July 2016 and enrolled self-identified American MSM who were at least 18 years old...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681482/optimal-hematocrit-in-an-artificial-microvascular-network
#16
Nathaniel Z Piety, Walter H Reinhart, Julianne Stutz, Sergey S Shevkoplyas
BACKGROUND: Higher hematocrit increases the oxygen-carrying capacity of blood but also increases blood viscosity, thus decreasing blood flow through the microvasculature and reducing the oxygen delivery to tissues. Therefore, an optimal value of hematocrit that maximizes tissue oxygenation must exist. STUDY DESIGN AND METHODS: We used viscometry and an artificial microvascular network device to determine the optimal hematocrit in vitro. Suspensions of fresh red blood cells (RBCs) in plasma, normal saline, or a protein-containing buffer and suspensions of stored red blood cells (at Week 6 of standard hypothermic storage) in plasma with hematocrits ranging from 10 to 80% were evaluated...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681458/refined-methods-to-evaluate-the-in-vivo-hemostatic-function-and-viability-of-transfused-human-platelets-in-rabbit-models
#17
Naohide Watanabe, Masayuki Nogawa, Mariko Ishiguro, Hitomi Maruyama, Masayuki Shiba, Masahiro Satake, Koji Eto, Makoto Handa
BACKGROUND: To bridge the gap between in vitro function and clinical efficacy of platelet (PLT) transfusion products, reliable in vivo PLT functional assays for hemostasis and survival in animal models are required. However, there are no standardized methods for assessing the in vivo quality of transfused human PLTs. STUDY DESIGN AND METHODS: Plasma-depleted human PLT concentrates (PCs; Day 3, Day 5, Day 7, Day 10, and damaged) were transfused into busulfan-induced rabbits with thrombocytopenia with prolonged bleeding times 1 day after treatment with ethyl palmitate (EP) to block their reticuloendothelial systems...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681435/impact-of-lenalidomide-based-induction-therapy-on-the-mobilization-of-cd34-cells-blood-graft-cellular-composition-and-post-transplant-recovery-in-myeloma-patients-a-prospective-multicenter-study
#18
Anu Partanen, Jaakko Valtola, Raija Silvennoinen, Antti Ropponen, Timo Siitonen, Mervi Putkonen, Marja Sankelo, Jukka Pelkonen, Pentti Mäntymaa, Ville Varmavuo, Esa Jantunen
BACKGROUND: Lenalidomide is an immunomodulatory drug that is also currently used in transplant-eligible patients with multiple myeloma. Previous studies have suggested a negative impact of lenalidomide on the mobilization of CD34(+) cells. No data are available regarding the more detailed composition of blood grafts after lenalidomide. STUDY DESIGN AND METHODS: In a multicenter, prospective study, we analyzed the mobilization of CD34(+) cells, graft cellular composition, and post-transplant hematologic recovery in 26 patients with multiple myeloma after lenalidomide-based induction and in 34 lenalidomide-naive controls with multiple myeloma...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681433/prevalence-of-positive-direct-antiglobulin-test-and-clinical-outcomes-in-surinamese-newborns-from-d-negative-women
#19
Rens Zonneveld, Margriet Lamers, Henk Schonewille, Anneke Brand, Humphrey H H Kanhai, Wilco C W R Zijlmans
BACKGROUND: In low-resource countries, screening for D antibodies to detect pregnancies at risk for hemolytic disease of the newborn is not routine practice. Retrospective data showed that 5.5% of Surinamese newborns of D-negative women had a positive direct antiglobulin test (DAT), indicating the presence of maternal antibodies against fetal antigens. Here, the frequency and clinical relevance of DAT positivity is evaluated. STUDY DESIGN AND METHODS: Between April 2015 and June 2016, an observational, multicenter cohort study was undertaken among Surinamese newborns born to D-negative women...
July 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28681400/epidemiological-trends-of-hiv-1-infection-in-blood-donors-from-catalonia-spain-2005-2014
#20
Marta Bes, Maria Piron, Natàlia Casamitjana, Josep Gregori, Juan Ignacio Esteban, Esteban Ribera, Josep Quer, Lluís Puig, Sílvia Sauleda
BACKGROUND: Human immunodeficiency virus 1 (HIV-1) subtype B is predominant in Spain. However, the recent arrival of immigrant populations has increased the prevalence of non-B subtypes and circulating recombinant forms. The objective of this study was to determine the prevalence of HIV-1 subtypes and transmitted drug-resistance mutations in blood donors from the Catalonian region (northeastern Spain). STUDY DESIGN AND METHODS: HIV-1-positive blood donors identified in Catalonia from 2005 to 2014 were included...
July 5, 2017: Transfusion
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