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https://www.readbyqxmd.com/read/29842785/multiplex-lateral-flow-assay-for-rapid-visual-blood-group-genotyping
#1
Julien Gomez-Martinez, Monique Silvy, Jacques Chiaroni, Chantal Fournier-Wirth, Francis Roubinet, Pascal Bailly, Jean-Charles Henri Brès
Conventional blood group phenotyping by hemagglutination assays, carried out pretransfusion, is unsuitable in certain clinical situations. Molecular typing offers an alternative method, allowing the deduction of blood group phenotype from genotype. However, current methods require a long turnaround time and are not performed on-site, limiting their application in emergency situations. Here, we report the development of a novel, rapid multiplex molecular method to identify seven alleles in three clinically relevant blood group systems (Kidd, Duffy and MNS)...
May 29, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29668135/-costs-of-chagas-disease-screening-test-in-blood-donors-in-two-colombian-blood-banks-2015
#2
Nelson José Alvis, Diana Patricia Díaz, Liliana Castillo, Nelson Rafael Alvis, María Isabel Bermúdez, Olga Maritza Berrío, Mauricio Beltrán, Carlos Andrés Castañeda-Orjuela
INTRODUCTION: Transfusion is a mechanism of transmission of Chagas' disease. There are no studies on the costs of the screening test in Colombian blood banks. OBJECTIVE: To estimate the costs of the screening test for Chagas' disease among blood donors in two Colombian blood banks, 2015. MATERIALS AND METHODS: We conducted a micro-costing study from the perspective of the health care provider to estimate the cost of Chagas' disease testing in two blood banks, Banco de Sangre de la Cruz Roja, Seccional Bolívar, and Banco de Sangre del Hospital de Yopal, Casanare, taking into account four cost categories: 1) Administrative costs: public services and insurance costs were calculated based on the blood bank area in square meters; 2) capital costs: building and equipment costs that were annualized using a 3% discount rate and a lifespan of 20 years for building and five for equipment; 3) costs of Chagas' disease test materials and reagents adjusted by blood bank production level, and 4) costs of staff in charge of Chagas' disease test processing...
March 15, 2018: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/29608322/a-review-of-in-vitro-methods-to-predict-the-clinical-significance-of-red-blood-cell-alloantibodies
#3
Sandra J Nance
This review was derived from a presentation made on September 2, 2016, for the first Academy Day presented by the Working Party on Immunohematology at the International Society of Blood Transfusion (ISBT) Congress in Dubai. The focus of this review is on the clinical significance of alloimmunization in transfusion-specifically, the parameters that contribute to a clinically significant alloantibody. The areas of focus were as follows: Introduction, Technical Aspects, and Indications and Limitations. Each section contains a brief review of selected literature and experiential knowledge...
January 2018: Immunohematology
https://www.readbyqxmd.com/read/29608320/a-brief-overview-of-clinical-significance-of-blood-group-antibodies
#4
Manish J Gandhi, D M Strong, Barbee I Whitaker, Evangelia Petrisli
This review was derived from a presentation made on September 2, 2016 for the first Academy Day presented by the Working Party on Immunohematology at the International Society of Blood Transfusion (ISBT) Congress in Dubai. The focus of this review is to provide a brief overview of the clinical significance of blood group antibodies. Blood group antibodies can be naturally occurring (e.g., anti-A and anti-B through exposure to naturally occurring red blood cell [RBC] antigen-like substances) or can occur via exposure to foreign (donor) RBC antigens through previous transfusions, transplants, or exposure to fetal RBCs during or after pregnancy...
January 2018: Immunohematology
https://www.readbyqxmd.com/read/29563676/an-approach-to-incompatible-cross-matched-red-cells-our-experience-in-a-major-regional-blood-transfusion-center-at-kolkata-eastern-india
#5
Prasun Bhattacharya, Eeshita Samanta, Nowroz Afroza, Archana Naik, Rathindranath Biswas
INTRODUCTION: With the increased utilization of immunohematology (IH) analyzers in the transfusion medicine, type, and screen policy is the method of choice. Still, the importance of routine crossmatching could not be overruled. Here, we tried to understand the clinical conditions and safety of red cell transfusion and their outcomes. MATERIALS AND METHODS: This prospective study was conducted by IH laboratory, Medical College Kolkata, Blood Bank from October 1, 2015 to March 31, 2016...
January 2018: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/29563670/prevalence-of-irregular-red-cell-antibody-in-healthy-blood-donors-attending-a-tertiary-care-hospital-in-north-india
#6
Raj Nath Makroo, Saroj Rajput, Soma Agarwal, Mohit Chowdhry, Bindu Prakash, Prashant Karna
BACKGROUND: Alloantibodies may be detected in blood donors who have either been transfused previously or female donors with previous obstetric events. These antibodies can occasionally cause severe transfusion reaction, if a large amount of plasma or whole blood is transfused, as in massive transfusions and pediatric patients. AIMS: The present study aims to assess the prevalence of red cell antibodies in healthy blood donors at a tertiary care hospital-based blood bank in India...
January 2018: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/29519368/transfusion-management-for-patients-taking-an-anti-cd38-monoclonal-antibody
#7
Carolina Bonet Bub, Isabel Nagle Dos Reis, Maria Giselda Aravechia, Leandro Dinalli Santos, Eduardo Peres Bastos, José Mauro Kutner, Lilian Castilho
INTRODUCTION: Pre-transfusion tests, essential for the release of blood components, may be affected by drugs. Monoclonal antibodies represent a class of medications increasingly used in the clinical practice, with anti-CD38 monoclonal antibodies (daratumumab) being a promising resource in the treatment of refractory myeloma. This monoclonal antibody recognizes CD38 in myeloma cells and interferes with pre-transfusion tests by causing panreactivity in indirect antiglobulin tests thereby clinically masking alloantibodies...
January 2018: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/29487473/establishment-of-immunohematological-reference-values-among-hiv-sero-negative-pregnant-women-at-st-paul-s-hospital-millennium-medical-college-sphmmc-addis-ababa-ethiopia
#8
Addisu Gize Yeshanew, Yeshwondm Mamuye GebreSilasie, Hirut Tadesse Mengesha
Background: Normal pregnancy is characterized by profound changes in almost every organ and system. Immunohematological parameters are important in clinical practice for the assessment of health and disease. Therefore, this study was aimed to establish immunohematological reference range among HIV sero-negative pregnant women. Methods: A cross-sectional study was conducted among HIV sero-negative pregnant women at St. Paul's Hospital Millennium Medical College (SPHMMC), Addis Ababa, Ethiopia, from 20/1-30/6/ 2016...
November 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/29398823/importance-of-indigenous-lectin-panel-in-immunohematology
#9
Ritam Chakrabarty, Suvro Sankha Datta, Sudipta Sekhar Das, Susanta Ghosh
No abstract text is available yet for this article.
January 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29378149/clinical-and-laboratory-profile-of-anti-m
#10
Debapriya Basu, Sabita Basu, Mahua Reddy, Kaushik Gupta, Mammen Chandy
Anti-M is a frequently detected naturally occurring antibody that has been reported in various clinical settings and also in voluntary donors. We describe here the clinical and laboratory findings of 11 cases with anti-M detected at our center. This report is a retrospective study in which we reviewed our immunohematology laboratory records for cases involving anti-M. Both donor and patient data from a 28-month period (September 2014 to December 2016) were reviewed. During this period, 11 examples of anti-M were detected (8 patients, 1 voluntary whole blood donor, and 1 hematopoietic stem cell donor...
December 2017: Immunohematology
https://www.readbyqxmd.com/read/29378148/hemovigilance-and-the-notify-library
#11
Barbee I Whitaker, D M Strong, Manish J Gandhi, Evangelia Petrisli
Hemovigilance systems allow reporting of adverse occurrences associated with blood transfusion to a central database where events can be reviewed and analyzed for the benefit of patients and donors. Hemolytic and serologic transfusion reactions are among the many types of reactions reported to these systems. The Notify Library, a database of adverse events associated with medical products of human origin, has incorporated hemovigilance into its didactic resources. Students and practitioners are encouraged to use the electronic library and to further enhance this resource through review and recommendation of additional publications in the area of immunohematology...
December 2017: Immunohematology
https://www.readbyqxmd.com/read/29344016/coding-of-tissue-and-cell-preparations-using-eurocode
#12
REVIEW
Ralf Knels, Kirstin Stüpmann, Axel Pruß, Jan Klerke, Joachim Kardoeus, Jens Hiller
Traceability of products requires their unique identification. In Germany blood products have been encoded by Eurocode since 1998. EU Directives 2004/23/EC, 2006/86/EC and 2015/565/EC demanded unique identification and safe traceability procedure also for tissues and cells. Eurocode IBLS e.V. and the German Society of Transfusion Medicine and Immunohematology (DGTI) working parties '!' within the Single European Code (SEC). Several data elements of Eurocode can be used to create the complete SEC data structure, except the tissue establishment number...
November 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29070972/congress-of-the-german-society-of-transfusion-medicine-and-immunohematology-50th-anniversary
#13
EDITORIAL
Harald Klüter, Birgit Gathof, Peter Schlenke
No abstract text is available yet for this article.
September 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29051799/red-cell-genotyping-precision-medicine-a-conference-summary
#14
REVIEW
Gregory A Denomme, Waseem Q Anani, Neil D Avent, Gregor Bein, Lynne B Briggs, Razvan C Lapadat, Celina Montemayor, Maria Rios, Maryse St-Louis, Lynne Uhl, Silvano Wendel, Willy A Flegel
This review summarizes the salient points of the symposium 'Red Cell Genotyping 2015: Precision Medicine' held on 10 September 2015 in the Masur Auditorium of the National Institutes of Health. The specific aims of this 6th annual symposium were to: (1) discuss how advances in molecular immunohematology are changing patient care; (2) exemplify patient care strategies by case reports (clinical vignettes); (3) review the basic molecular studies and their current implications in clinical practice; (4) identify red cell genotyping strategies to prevent alloimmunization; and (5) compare and contrast future options of red cell genotyping in precision transfusion medicine...
October 2017: Therapeutic Advances in Hematology
https://www.readbyqxmd.com/read/29043828/a-lu-16-individual-with-antibodies
#15
Carole Éthier, Cynthia Parent, Anne-Sophie Lemay, Nadia Baillargeon, Geneviève Laflamme, Josée Lavoie, Josée Perreault, Maryse St-Louis
Antibodies against Lutheran blood group antigens have been observed during first-time pregnancy. Samples from a woman of African descent were tested in our immunohematology laboratory on several occasions since 2001. Her samples were phenotyped as Lu(a+b-), and anti-Lub was suspected but not identified. She was asked to make autologous donations in preparation for her delivery, which she did. In 2010, two antibodies were identified: anti-Lea and -Lub. Six years later, a third investigation was requested. This time, an antibody directed at a high-prevalence Lutheran antigen was found in addition to the anti-Lea and -Lub previously observed...
September 2017: Immunohematology
https://www.readbyqxmd.com/read/29021165/preclinical-modeling-highlights-the-therapeutic-potential-of-hematopoietic-stem-cell-gene-editing-for-correction-of-scid-x1
#16
Giulia Schiroli, Samuele Ferrari, Anthony Conway, Aurelien Jacob, Valentina Capo, Luisa Albano, Tiziana Plati, Maria C Castiello, Francesca Sanvito, Andrew R Gennery, Chiara Bovolenta, Rahul Palchaudhuri, David T Scadden, Michael C Holmes, Anna Villa, Giovanni Sitia, Angelo Lombardo, Pietro Genovese, Luigi Naldini
Targeted genome editing in hematopoietic stem/progenitor cells (HSPCs) is an attractive strategy for treating immunohematological diseases. However, the limited efficiency of homology-directed editing in primitive HSPCs constrains the yield of corrected cells and might affect the feasibility and safety of clinical translation. These concerns need to be addressed in stringent preclinical models and overcome by developing more efficient editing methods. We generated a humanized X-linked severe combined immunodeficiency (SCID-X1) mouse model and evaluated the efficacy and safety of hematopoietic reconstitution from limited input of functional HSPCs, establishing thresholds for full correction upon different types of conditioning...
October 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28966502/rare-presentation-of-mixed-autoimmune-hemolytic-anemia-in-children-report-of-2-cases
#17
Preeti Rai, Geetika Sharma, Deeksha Singh, Jyoti Garg
Immune hemolytic anemia is characterized by clinical and laboratory features of hemolytic anemia with direct antiglobulin test (DAT) positivity. It could be autoimmune hemolytic anemia (AIHA), alloimmune, or drug-induced hemolysis based on the antigenic stimulus. Furthermore, based on thermal amplitude of autoantibody, AIHA is classified as warm (65%), cold (30%), and mixed (5%) type. Mixed AIHA is extremely rare in children and must be differentiated from warm AIHA with clinically insignificant cold agglutinins and cold hemagglutinin disease as their treatment is different...
October 2017: Journal of Laboratory Physicians
https://www.readbyqxmd.com/read/28905389/the-first-reported-case-of-concurrent-trimethoprim-sulfamethoxazole-induced-immune-hemolytic-anemia-and-thrombocytopenia
#18
Yevgeniy A Linnik, Edison W Tsui, Isabella W Martin, Zbigniew M Szczepiorkowski, Gregory A Denomme, Jerome L Gottschall, John M Hill, Nancy M Dunbar
BACKGROUND: Drug-induced immune hemolytic anemia (DIIHA) and drug-induced immune thrombocytopenia (DIIT) are rare but dangerous complications of pharmacotherapy that may be underrecognized in hematopoietic stem cell transplant (HSCT) patients due to overlap of signs and symptoms with those of more common disease processes. CASE REPORT: A 61-year-old woman with NK-cell deficiency and GATA-2-associated myelodysplastic syndrome, status post-recent allogeneic HSCT (Day +58), presented with 3 days of acute-onset severe back pain, muscle cramps, and increasingly dark urine...
December 2017: Transfusion
https://www.readbyqxmd.com/read/28854790/neopterin-and-soluble-cd14-levels-as-indicators-of-immune-activation-in-cases-with-low-anti-hcv-reactivity-and-true-hcv-infection
#19
MULTICENTER STUDY
Z Habip, P Sohrabi, S Saribas, R Caliskan, M Demirci, A Karakullukcu, K Atalik, P Yuksel, O Uysal, E Kosan, H Bahar Tokman, B Kocazeybek
Neopterin and soluble CD14 (sCD14) are detected at high levels in hepatitis C virus (HCV) infections. We aimed to evaluate the role of these plasma immune activation biomarkers, for the indirect assessment of immune activation status of patients with low anti-HCV reactivity and a HCV infection. Low anti-HCV reactivity group (LRG, n: 70), true positive HCV infection group (THG, 30) and healthy control group (HCG, 30) were analyzed in this study. We have used ELISA, HCV RIBA/LIA and HCV-RNA methods. Mean neopterin levels were significantly lower in LRG than THG (p <0...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28729746/the-incidence-and-effects-of-alloimmunization-in-pregnancy-during-the-period-2000-2013
#20
Marjana Jerković Raguž, Darinka Šumanovic Glamuzina, Jerko Brzica, Tonći Gruica
INTRODUCTION: The objective of the analysis was to examine the epidemiological aspects of maternal alloimmunization and to determine the most common antibody specificities resulting in hemolytic disease of the newborn (HDN). MATERIALS AND METHODS: The retrospective epidemiological study encompasses all pregnant women who underwent immunohematological screening and the newborn treated for HDN in the period from 2000 to 2013 in the Herzegovina region. RESULTS: The indirect Coombs test (ICT) detected antibodies against antigens in 384 (2...
July 2017: Geburtshilfe und Frauenheilkunde
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