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https://www.readbyqxmd.com/read/29780001/automated-typing-of-red-blood-cell-and-platelet-antigens-a-whole-genome-sequencing-study
#1
William J Lane, Connie M Westhoff, Nicholas S Gleadall, Maria Aguad, Robin Smeland-Wagman, Sunitha Vege, Daimon P Simmons, Helen H Mah, Matthew S Lebo, Klaudia Walter, Nicole Soranzo, Emanuele Di Angelantonio, John Danesh, David J Roberts, Nick A Watkins, Willem H Ouwehand, Adam S Butterworth, Richard M Kaufman, Heidi L Rehm, Leslie E Silberstein, Robert C Green
BACKGROUND: There are more than 300 known red blood cell (RBC) antigens and 33 platelet antigens that differ between individuals. Sensitisation to antigens is a serious complication that can occur in prenatal medicine and after blood transfusion, particularly for patients who require multiple transfusions. Although pre-transfusion compatibility testing largely relies on serological methods, reagents are not available for many antigens. Methods based on single-nucleotide polymorphism (SNP) arrays have been used, but typing for ABO and Rh-the most important blood groups-cannot be done with SNP typing alone...
May 17, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29779827/zika-virus-report-from-the-task-force-on-tropical-diseases-by-the-world-federation-of-societies-of-intensive-and-critical-care-medicine
#2
Gisele Sampaio Silva, Guy A Richards, Tim Baker, Jorge Hidalgo, Juan Ignacio Silesky Jiménez, Pravin Amin
Zika fever is an acute infectious disease caused by the Zika virus (ZIKV), an RNA virus belonging to the genus Flavivirus. ZIKV can be transmitted by bites from Aedes aegypti and Aedes albopictus species, sexual activity, blood transfusion and from mother to fetus during pregnancy and delivery. A total of 50 territories and countries in the Americas had reported ZIKV infections. For those with symptoms, the presentation is similar to dengue fever with body aches, joint pain, fatigue, malaise, fever and conjunctivitis lasting up to seven days...
April 5, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29779312/-the-safety-and-effect-of-transhepatic-hilar-approach-for-the-treatment-of-bismuth-type-%C3%A2-and-%C3%A2-hilar-cholangiocarcinoma
#3
M He, H L Wang, J Y Yan, S W Xu, W Chen, J Wang
Objective: To compare the efficiency between the transhepatic hilar approach and conventional approach for the surgical treatment of Bismuth type Ⅲ and Ⅳ hilar cholangiocarcinoma. Methods: There were 42 consecutive patients with hilar cholangiocarcinoma of Bismuth type Ⅲ and Ⅳ who underwent surgical treatment at Department of Biliary-Pancreatic Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University from January 2008 to December 2013.The transhepatic hilar approach was used in 19 patients and conventional approach was performed in 23 patients...
May 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29776631/molecular-pathology-in-transfusion-medicine-new-concepts-and-applications
#4
REVIEW
Matthew B Elkins, Robertson D Davenport, Martin H Bluth
Virtually all the red blood cell and platelet antigen systems have been characterized at the molecular level. Highly reliable methods for red blood cell and platelet antigen genotyping are now available. Genotyping is a useful adjunct to traditional serology and can help resolve complex serologic problems. Although red blood cell and platelet phenotypes can be inferred from genotype, knowledge of the molecular basis is essential for accurate assignment. Genotyping of blood donors is an effective method of identifying antigen-negative and/or particularly rare donors...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29771998/risk-factors-for-inappropriate-blood-requisition-among-hospitals-in-tanzania
#5
Wilhellmuss I Mauka, Tara B Mtuy, Michael J Mahande, Sia E Msuya, Innocent B Mboya, Abdul Juma, Rune N Philemon
BACKGROUND: Blood is a critical aspect of treatment in life saving situations, increasing demand. Blood requisition practices greatly effect sufficient supply in blood banks. This study aimed to determine the risk factors for inappropriate blood requisition in Tanzania. METHODS: This was a cross sectional study using secondary data of 14,460 patients' blood requests from 42 transfusion hospitals. Primary data were obtained by using cluster-sampling design. Data were analysed using a two-level mixed-effects Poisson regression to determine fixed-effects of individual-level factors and hospital level factors associated with inappropriate blood requests...
2018: PloS One
https://www.readbyqxmd.com/read/29765296/peripartum-haemorrhage-haemostatic-aspects-of-the-new-german-pph-guideline
#6
REVIEW
Heiko Lier, Christian von Heymann, Wolfgang Korte, Dietmar Schlembach
Summary Peripartum haemorrhage remains one of the main causes of maternal mortality world-wide. The German, Austrian and Swiss Societies of Gynaecology and Obstetrics have updated the current guidelines for the treatment of peripartum haemorrhage together with the German Society of Anaesthesiology and Intensive Care Medicine and the Society of Thrombosis and Haemostasis Research. The recommendations have been the result of a thorough review of the available scientific literature and a consensus process involving all members of the guideline group...
April 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29761923/accuracy-of-a-history-of-blood-donation-from-surrogate-witnesses-data-from-the-uk-tmer-study
#7
J M Mackenzie, M Turner, K Morris, S Field, A M Molesworth, S Pal, R G Will, C A Llewelyn, P E Hewitt
Look-back studies of blood transfusion in Creutzfeldt-Jakob disease commonly rely on reported history from surrogate witnesses. Data from the UK Transfusion Medicine Epidemiology Review have been analysed to determine the accuracy of the blood donation history provided by the relatives of cases. Our results show that only a small percentage of cases were found to be registered as donors on UK Blood Service (UKBS) databases when there was no family report of blood donation. In contrast, a history of reported donation was less accurate...
May 15, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29757135/a-nationwide-retrospective-study-on-prevalence-of-hepatitis-e-virus-infection-in-italian-blood-donors
#8
Enea Spada, Simonetta Pupella, Giulio Pisani, Roberto Bruni, Paola Chionne, Elisabetta Madonna, Umbertina Villano, Matteo Simeoni, Sara Fabi, Giuseppe Marano, Cinzia Marcantonio, Patrizio Pezzotti, Anna R Ciccaglione, Giancarlo M Liumbruno
BACKGROUND: In Europe, hepatitis E virus (HEV) infection is mainly a food-borne zoonosis, but it can also be transmitted by blood transfusion. It is usually a mild and self-limited infection. However, immunocompromised persons, who are also those more likely to undergo blood transfusions, may develop chronic hepatitis and often cirrhosis. Since this is a potential threat to blood safety, we aimed to investigate HEV prevalence in Italian blood donors. MATERIALS AND METHODS: We used plasma donations collected during 2015-2016 by blood services (BS) scattered throughout the Italian regions and intended for the production of plasma-derived medicines...
May 4, 2018: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29744976/what-in-the-world-of-transfusion-medicine-isn-t-patient-blood-management
#9
EDITORIAL
M H Yazer, J H Waters
No abstract text is available yet for this article.
April 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29744975/patient-blood-management-a-renaissance-of-transfusion-medicine
#10
EDITORIAL
L J Estcourt, D J Roberts
No abstract text is available yet for this article.
April 2018: Transfusion Medicine
https://www.readbyqxmd.com/read/29742788/-the-relevance-of-hemolysis-in-anesthesia-and-intensive-care-medicine
#11
Jan A Graw, David M Baron, Roland C E Francis
Hemolysis leads to an increase of circulating intravascular cell-free hemoglobin. Increased plasma concentrations of cell-free hemoglobin are relevant in critically ill patients because cell-free hemoglobin causes vasoconstriction by depletion of endothelial nitric oxide, oxidative stress, and inflammation. Furthermore, cell-free hemoglobin contributes to tissue injuries such as renal failure and intestinal mucosa damage after cardiac surgery. High concentrations of cell-free hemoglobin are associated with an increased mortality in patients with sepsis...
April 2018: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29742375/investigational-testing-for-zika-virus-among-u-s-blood-donors
#12
MULTICENTER STUDY
Paula Saá, Melanie Proctor, Gregory Foster, David Krysztof, Colleen Winton, Jeffrey M Linnen, Kui Gao, Jaye P Brodsky, Ronald J Limberger, Roger Y Dodd, Susan L Stramer
BACKGROUND: Because of the potential severe clinical consequences of Zika virus (ZIKV) infection, the large numbers of asymptomatic travelers returning from ZIKV-active areas, the detection of ZIKV nucleic acid in blood, and reports of transmission of ZIKV through transfusion, in 2016 the Food and Drug Administration released recommendations for individual-unit nucleic acid testing to minimize the risk of transmission of ZIKV through blood transfusions. METHODS: The American Red Cross implemented investigational screening of donated blood for ZIKV RNA by means of transcription-mediated amplification (TMA)...
May 10, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29728794/correction-to-circulating-t-cells-of-patients-with-nijmegen-breakage-syndrome-show-signs-of-senescence
#13
Ruud W J Meijers, Katarzyna Dzierzanowska-Fangrat, Magdalena Zborowska, Iwona Solarska, Dennis Tielemans, Bob A C van Turnhout, Gertjan Driessen, Mirjam van der Burg, Jacques J M van Dongen, Krystyna H Chrzanowska, Anton W Langerak
The original version of the article, "Circulating T Cells of Patients with Nijmegen Breakage Syndrome Show Signs of Senescence" incorrectly listed the affiliation of the fourth author, Iwona Solarska. The correct affiliation is "Molecular Biology Laboratory, Institute of Hematology and Transfusion Medicine.
April 23, 2018: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/29697510/the-incidence-of-transfusion-related-acute-lung-injury-at-a-large-urban-tertiary-medical-center-a-decade-s-experience
#14
David E Meyer, Jacob W Reynolds, Rhonda Hobbs, Yu Bai, Beth Hartwell, Matthew J Pommerening, Erin E Fox, Charles E Wade, John B Holcomb, Bryan A Cotton
BACKGROUND: While transfusion-related acute lung injury (TRALI) remains the primary cause of transfusion-related fatalities (37%), recent reports estimate the incidence of TRALI at 0.008% per unit of plasma transfused and 0.004% per all products transfused. Because blood banks have moved toward male-predominant plasma, TRALI appears, anecdotally, to have been reduced to an extremely rare event. The purpose of this study was to estimate the current incidence of TRALI at a large, urban center known for its early and aggressive use of plasma in the setting of trauma, hemorrhagic shock, and massive transfusion...
April 23, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29697146/red-blood-cell-specifications-for-patients-with-hemoglobinopathies-a-systematic-review-and-guideline
#15
REVIEW
Veerle Compernolle, Stella T Chou, Susano Tanael, William Savage, Jo Howard, Cassandra D Josephson, Isaac Odame, Christopher Hogan, Gregory Denomme, Nadine Shehata
BACKGROUND: Red blood cell (RBC) transfusions remain essential in the treatment of patients with sickle cell disease (SCD) and β-thalassemia. Alloimmunization, a well-documented complication of transfusion, increases the risk of delayed hemolytic transfusion reactions, complicates crossmatching and identifying compatible units, and delays provision of transfusions. Guidance is required to optimize the RBC product administered to these patients. STUDY DESIGN AND METHODS: An international, multidisciplinary team conducted a systematic review and developed, following the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) methodology, recommendations to assist treating physicians and transfusion specialists in their decision to select RBCs for these patients...
April 26, 2018: Transfusion
https://www.readbyqxmd.com/read/29691151/red-blood-cells-still-vital-after-all-these-years-commentary-on-canadian-blood-services-international-symposium-2017
#16
REVIEW
Syed M Qadri, David A Donkor, Matthew Yan, Shuoyan Ning, Donald R Branch, Jerard Seghatchian, William P Sheffield
Canadian Blood Services (CBS), Canada's national blood transfusion service, has for many years sponsored an annual conference, for the education and awareness of interested participants, showcasing the latest evidence-based understanding of both basic science and clinical issues in transfusion medicine and science. The 15th iteration of this symposium took place September 9, 2017 and focused on some of the vital aspects of red blood cells (RBC), in line with the" 3Rs" concept, namely the provision of the Right red blood cell (RBC) product to the Right patient at the Right time...
April 19, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29689578/peripartum-morbidity-after-cesarean-delivery-for-arrest-of-dilation-at-4-to-5-cm-compared-with-6-to-10-cm
#17
Joshua D Dahlke, Jeffrey D Sperling, Phinnara Has, Todd R Lovgren, Brendan D Connealy, Dwight J Rouse
OBJECTIVE:  Given that recent consensus guidelines established to decrease cesarean delivery (CD) rates use 6 cm to define the onset of the active phase of labor, our objective was to evaluate maternal and neonatal outcomes after CD for the indication of arrest of dilation at 4 to 5 cm compared with ≥ 6 cm. STUDY DESIGN:  We performed a secondary analysis using data from the Maternal Fetal-Medicine Units Network Cesarean Registry. We included nulliparous women with term, singleton, vertex gestations who underwent primary CD for arrest of dilation...
April 24, 2018: American Journal of Perinatology
https://www.readbyqxmd.com/read/29688161/brain-injured-survivors-of-monochorionic-twin-pregnancies-complicated-by-single-intrauterine-death-mr-findings-in-a-multicenter-study
#18
Giorgio Conte, Andrea Righini, Paul D Griffiths, Mariangela Rustico, Mariano Lanna, Fiona L Mackie, Lorenzo Pinelli, Federico Prefumo, Nicola Persico, Mark S Igra, Cecilia Parazzini, Chiara Doneda, Anna Fichera, Claudia Ambrosi, Mark Kilby, Mariasavina Severino, Fabio Triulzi, Andrea Rossi, Nicholas Skipper
Purpose To describe and classify the range of brain injuries present at prenatal, in-utero magnetic resonance (MR) imaging in co-twin survivors of monochorionic (MC) twin pregnancies complicated by single intrauterine death (SIUD). Materials and Methods This retrospective, observational study from six tertiary fetal medicine centers that perform tertiary-level prenatal in-utero MR studies reviewed cases in which prenatal in-utero MR imaging had shown a brain injury in a surviving co-twin of a twin pregnancy with a MC component complicated by SIUD...
April 24, 2018: Radiology
https://www.readbyqxmd.com/read/29687885/antimicrobial-peptides-an-effective-approach-to-prevent-bacterial-biofilm-formation-in-platelet-concentrates
#19
Meshari Alabdullatif, Chintamani D Atreya, Sandra Ramirez-Arcos
BACKGROUND: The safety of platelet concentrates (PCs) is a major concern in transfusion medicine due to contamination mainly with skin Gram-positive bacteria. The predominant contaminant, Staphylococcus epidermidis, forms bacterial cell aggregates (biofilms) in PCs posing a safety risk for transfusion patients. Combinations of synthetic antimicrobial peptides (AMPs) have demonstrated bactericidal activity in PCs. Herein, we have evaluated the ability of a mix of AMPs to inhibit biofilm formation and/or eradicate S...
April 24, 2018: Transfusion
https://www.readbyqxmd.com/read/29686986/blood-and-blood-components-from-similarities-to-differences
#20
REVIEW
Olivier Garraud, Jean-Daniel Tissot
Blood transfusion is made possible because, in most countries and organizations, altruistic individuals voluntarily, anonymously, and generously donate (without compensation) either whole blood or separated components that are then processed and distributed by professionals, prior to being allocated to recipients in need. Being part of modern medicine, blood transfusion uses so-called standard blood components when relative to cellular fractions and fresh plasma. However, as will be discussed in this paper, strictly speaking, such so-called labile blood components are not completely standard...
2018: Frontiers in Medicine
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