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Transfusion and Apheresis Science

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https://www.readbyqxmd.com/read/28803005/safety-and-feasibility-of-therapeutic-platelet-depletion-with-spectra-optia-in-a-pregnant-woman
#1
Roman Małachowski, Olga Grzybowska-Izydorczyk, Nelly Besson, Anna Szmigielska-Kapłon, Mateusz Nowicki, Agnieszka Wierzbowska
INTRODUCTION: Thrombocytapheresis is an alternative treatment beneficial in rare circumstances, when cytoreductive agents are contraindicated, drug therapy gave no response or the expected response would be too slow. Here we present a case of a pregnant woman who underwent 5 thrombocytaphereses using Spectra Optia device to reduce circulating platelets (PLT) count and prepare for Cesarian section. PATIENT CHARACTERISTICS AND PERFORMED TREATMENT: A 39-year-old woman with diagnosed chronic myeloid leukemia (CML) was treated with interferon because of too high PLT count...
July 27, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28803004/-just-blood-donors-a-study-on-the-multi-affiliations-of-blood-donors
#2
Sara Alfieri, Maura Pozzi, Elena Marta, Vincenzo Saturni, Giovanni Aresi, Paolo Guiddi
BACKGROUND: The present work proposes to explore a phenomenon well known in the world of blood donation, but little explored by literature: multi-affiliations. By that term, in this paper we mean blood donors' engagement in multiple associations of various natures (donation, recreation, sports, etc.) simultaneously. The first objective proposes to explore the phenomenon of multi-affiliations in descriptive terms; the second is to look into the differences-in terms of motivations, family-work-volunteerism reconciliation, life satisfaction, and membership satisfaction-between those who "only" carry out blood donation activity and those who instead participate in multiple associative realities concurrently...
July 25, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28800845/assessment-of-stability-of-cd34-cell-products-enriched-by-immunoselection-from-peripheral-blood-mononuclear-cells-during-refrigerated-storage
#3
Metka Krasna, Elvira Malicev, Jasmina Ziva Rozman, Bojan Vrtovec
Durable engraftment of transplanted CD34+ cells largely depends on the quality of the cell product. Limited data are currently available about extended storage of immunoselected CD34+ cells. The aim of our study was to assess the stability of CD34+ cell product with the cells stored in high concentration (80×10(6) in 6mL) in small bags intended for cell implantation. Cell products were prepared by leukapheresis and immunoselection (Clinimacs(plus) procedure) from 13 patients with chronic dilated cardiomyopathy...
July 22, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774824/hla-frequency-in-candidates-to-transplant-without-compatible-cord-blood-at-the-national-center-of-blood-transfusion-mexico
#4
Julieta Rojo-Medina, Juan Manuel Bello-López
INTRODUCTION: Umbilical Cord Blood Units (UCBU) for transplantation, are a therapeutic possibility for patients with a wide range of oncohaematological diseases and other immunologic disorders. The search of compatible donors for bone marrow transplantation is increasingly difficult for patients of mixed ethnicity. The aim of this work was determine the HLA frequency of candidates for transplantation without compatible UCBU at the National Center of from Blood Transfusion (NCBT) - Mexico...
July 19, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774828/flow-rate-calibration-to-determine-cell-derived-microparticles-and-homogeneity-of-blood-components
#5
Egarit Noulsri, Surada Lerdwana, Kulvara Kittisares, Attakorn Palasuwan, Duangdao Palasuwan
BACKGROUND: Cell-derived microparticles (MPs) are currently of great interest to screening transfusion donors and blood components. However, the current approach to counting MPs is not affordable for routine laboratory use due to its high cost. AIM: The current study aimed to investigate the potential use of flow-rate calibration for counting MPs in whole blood, packed red blood cells (PRBCs), and platelet concentrates (PCs). METHODS: The accuracy of flow-rate calibration was investigated by comparing the platelet counts of an automated counter and a flow-rate calibrator...
July 18, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774826/erythrocyte-based-drug-delivery-in-transfusion-medicine-wandering-questions-seeking-answers
#6
REVIEW
Vassilis L Tzounakas, Dimitrios G Karadimas, Issidora S Papassideri, Jerard Seghatchian, Marianna H Antonelou
Red blood cells (RBCs) represent the most commonly used and best-studied natural carriers in the history of drug delivery. Their abundance and long circulation half-life, their great immune-biocompatibility and biodegradability profiles, along with the availability of well established protocols for their safe collection, ex vivo processing and quality control make them advantageous as drug delivery systems (DDS). As a result, several drug-loading techniques (including encapsulation and surface conjugation) have been developed in order to construct RBC-based or RBC-inspired drug delivery vehicles for the effective treatment of infections, cancer, chronic and autoimmune diseases in both pre-clinical protocols and clinical trials...
July 16, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28807559/world-apheresis-association-member-society-updates
#7
EDITORIAL
Jean O'Brien-Louis
No abstract text is available yet for this article.
July 15, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28803708/anti-phospholipid-syndrome-current-opinion-on-mechanisms-involved-laboratory-characterization-and-diagnostic-aspects
#8
REVIEW
Jean Amiral, Marie Peyrafitte, Claire Dunois, Anne Marie Vissac, Jerard Seghatchian
Anti-phospholipid syndrome is a complex and severe clinical situation, associated with symptoms such as recurrent thrombosis, arterial or venous, at any site, pregnancy loss, and other related syndromes. These clinical burdens, are highly variable from patient to patient, and are associated with biological abnormalities, such as the presence of the Lupus Anticoagulant or phospholipid dependent antibodies, confirmed on two occasions at least 12 weeks apart. From the diagnosis standpoint, both, functional (clotting) or immunological assays, are difficult to standardize and to optimize, due to the absence of reference material, or a characteristic clinical group, and international reference preparations...
July 15, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774823/a-joint-narrative-on-methodological-standardization-aspects-of-the-lupus-anticoagulant-and-erythrocyte-based-drug-delivery-in-transfusion-medicine
#9
EDITORIAL
Jerard Seghatchian
No abstract text is available yet for this article.
July 15, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28800844/first-comparative-analysis-concerning-the-plasma-platelet-contamination-during-mnc-collection
#10
Hella Pfeiffer, Susanne Achenbach, Julian Strobel, Robert Zimmermann, Reinhold Eckstein, Erwin F Strasser
BACKGROUND AND OBJECTIVES: Monocytes can be cultured into dendritic cells with addition of autologous plasma, which is highly prone to platelet contamination due to the apheresis process. Since platelets affect the maturation process of monocytes into dendritic cells and might even lead to a diminished harvest of dendritic cells, it is very important to reduce the platelet contamination. A new collection device (Spectra Optia) was analyzed, compared to two established devices (COM.TEC, Cobe Spectra) and evaluated regarding the potential generation of source plasma...
July 13, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28754214/a-systematic-review-and-meta-analysis-of-the-prevalence-of-leishmania-infection-in-blood-donors
#11
REVIEW
Masoud Foroutan, Sahar Dalvand, Shahram Khademvatan, Hamidreza Majidiani, Hamidreza Khalkhali, Sajjad Masoumifard, Gebraeil Shamsaddin
BACKGROUND: The risk of transfusion transmitted leishmaniasis (TTL) from apparently healthy persons or asymptomatic individuals, should not be ignored. Lack of a comprehensive review, encouraged us to design a systematic review with meta-analysis approach to assess the prevalence of Leishmania infection in healthy blood donors. METHODS: For this purpose, 6 English databases (PubMed, Scopus, Web of Sciences, Science Direct, EMBASE and CINAHL) were browsed from January 1990 to July 2016...
July 11, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28780993/younger-blood-from-older-donors-admitting-ignorance-and-seeking-stronger-data-and-clinical-trials
#12
REVIEW
Olivier Garraud
No abstract text is available yet for this article.
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774829/extracorporeal-photopheresis-and-liver-transplantation-our-experience-and-preliminary-data
#13
REVIEW
A Mazzoni, C Giampietro, I Bianco, T Grazzini, C Nencini, C Pileggi, F Scatena, F Filipponi, D Ghinolfi, G Catalano, G Biancofiore, M L Bindi, L Urbani
No abstract text is available yet for this article.
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774827/therapeutic-apheresis-in-kidney-ab0-incompatible-transplantation
#14
REVIEW
Anna Parolo, Cristina Silvestre, Flavia Neri, Paolo Rigotti, Lucrezia Furian
Desensitization strategies to safely perform ABO incompatible living donor kidney transplantations are various and still evolving. Given the successful outcome of the majority of the approaches, the current trend is focused on a minimization of treatments. Based on this consideration, the evolution at a single Center of the desensitization protocol is herein described. Starting from 2010, 58 AB0 incompatible living donor kidney transplantations were performed at the University-Hospital of Padua. Over the years, the initial desensitization strategy with rituximab single-dose induction, pre-and post-transplant plasmapheresis and CMV-specific immunoglobulin administration has been shifted to a minimized approach, omitting post-transplant antibody removal in 25 cases...
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28774825/extracorporeal-photochemotherapy-in-heart-transplant-rejection-a-single-center-experience
#15
REVIEW
Chiara Savignano, Cristina Rinaldi, Vincenzo Tursi, Cecilia Dolfini, Miriam Isola, Ugolino Livi, Vincenzo De Angelis
BACKGROUND: The addition of extracorporeal photochemotherapy (ECP) to standard immunosuppressive therapy has been suggested to be beneficial in the treatment of recurrent/persistent heart rejection. METHODS: We reviewed medical data of heart transplant recipients who received ECP between 2010 and 2016 at our institution. RESULTS: During the study period, eight patients underwent nine ECP courses. The median time from transplant to ECP was 18 months (range 9-54)...
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28764999/implementing-the-canadian-apheresis-registry-a-programmer-s-point-of-view
#16
REVIEW
Albert Ebidia
Many articles in today's medical journals, including this very publication, support their findings by providing data collected during the research of their selected study. Various terms used include a randomized group of patients, outcome data, total counts and averages. Many of these terms are then supported by figures and tables depicted by line graphs, bar graphs and histograms. The question to answer is how was all this data gathered? The following discussion will attempt to explain, in simple terms, how the data entry and collection was implemented for the Canadian Apheresis Registry database...
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28760487/complications-of-therapeutic-apheresis-in-pediatric-kidney-transplantation
#17
REVIEW
Mattia Parolin, Enrico Vidal
In the setting of kidney transplantation, therapeutic apheresis (TA) is employed both for pre-intervention procedures and during the post-transplant period. In pediatric nephrology units, TA is usually performed as a therapeutic plasma exchange (TPE) with dialysis equipment, and using non-plasma replacement fluids. In children undergoing kidney transplantation, complications of TPE are mainly related to its depletive properties combined with the iatrogenic immunodeficiency status of the patient. Moreover, the use of small central venous catheters and the equipment standardized for adults can increase the risk of adverse events...
July 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28764998/validation-of-the-plasmic-score-at-a-university-medical-center
#18
Ryan Jajosky, Mark Floyd, Thomas Thompson, James Shikle
BACKGROUND: The PLASMIC score was recently described as a convenient tool for predicting ADAMTS13 activity ≤10% in patients with possible thrombotic thrombocytopenic purpura (TTP), while awaiting the results of this send-out test. The purpose of this study was to validate the PLASMIC score at our University Medical Center. METHODS: Apheresis records were reviewed from 2008 to 2017 to identify patients who received plasma exchange (PLEX) for suspected TTP. The ADAMTS13 activity and PLASMIC scoring criteria were recorded, and the PLASMIC score was calculated...
July 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28778664/high-discard-rate-of-collected-blood-units-in-brazilian-blood-banks
#19
LETTER
Kanjaksha Ghosh, Keyuri Jariwala, Kanchan Mishra
No abstract text is available yet for this article.
July 6, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28711333/b12-deficiency-leading-to-marked-poikilocytosis-versus-true-schistocytosis-a-pernicious-problem
#20
James A Hall, James Mason, Julia Choi, Mark Holguin
Severe vitamin B12 deficiency is caused most commonly by autoimmune atrophic gastritis leading to loss of intrinsic factor. Vitamin B12 deficiency leading to megaloblastic anemia and demyelinating central nervous system disease is well known; however, a rare presentation of B12 deficiency described as pseudothrombotic microangiopathy is not well known. This complication presents with signs of mechanical hemolysis, elevated lactate dehydrogenase (LDH), thrombocytopenia, and a low reticulocyte count, which can be incorrectly diagnosed as thrombotic thrombocytopenic purpura and managed incorrectly...
June 20, 2017: Transfusion and Apheresis Science
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