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Transfusion Medicine and Hemotherapy

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https://www.readbyqxmd.com/read/28503128/a-confounding-case-of-inherited-factor-v-deficiency-complicated-by-inhibitors-at-first-presentation
#1
Hema Subramanian, Rakhee Kar, Deepak Charles, Hitha Babu, Pagadalu Ambika, Tarun Kumar Dutta
INTRODUCTION: Inherited factor V deficiency / Owren's disease has varied clinical manifestations ranging from asymptomatic laboratory abnormalities to massive hemorrhage. The acquired form due to inhibitors following antibiotic therapy, infection, or surgery is less common, and spontaneous development of inhibitors is not known. CASE REPORT: An 18-year-old boy presented with bleeding axillary and groin ulcers. At the age of 15, due to recurrent epistaxis and gum bleed, he was diagnosed with acquired factor V deficiency with positive inhibitor screen and treated with fresh frozen plasma (FFP) transfusion and temporary azathioprine...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503127/the-role-of-platelet-function-analyzer-testing-in-cardiac-surgery-transfusion-management
#2
Dejana Bogdanic, Nenad Karanovic, Jela Mratinovic-Mikulandra, Branka Paukovic-Sekulic, Dijana Brnic, Ivanka Marinovic, Diana Nonkovic, Nikolina Bogdanic
BACKGROUND: Identifying high-risk patients for transfusion after cardiac operations would alter postoperative management. The aim of this study was to investigate closure time (CT) measured by platelet function analyzer (PFA) for prediction of bleeding and transfusions. METHODS: 66 patients were scheduled for coronary artery bypass graft (CABG) surgery and 30 patients for valve repair and replacement (non-CABG). Measurements of PFA-100® CT for collagen and adenosine diphosphate (cADP) and collagen and epinephrine (cEPI) were performed 15 min after protamine administration...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503126/in-vitro-and-ex-vivo-measurement-of-prophylactic-dabigatran-concentrations-with-a-new-ecarin-based-thromboelastometry-test
#3
Mareike Kristina Körber, Elisabeth Langer, Martin Köhr, Klaus-Dieter Wernecke, Wolfgang Korte, Christian von Heymann
BACKGROUND: An increasing number of oral anticoagulants has been approved, including dabigatran etexilate (DE). DE is a direct thrombin inhibitor that requires no routine monitoring, but, if necessary (e.g. urgent surgery etc.), the diluted thrombin time measured with Hemoclot® has shown reliable results. So far, no point-of-care (PoC) assay is available to measure DE effects. The EcaTEM assay uses ecarin to initiate the coagulation cascade at the step of thrombin generation and measures the clotting time (CT) by thromboelastometry...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503125/thawing-of-pooled-solvent-detergent-treated-plasma-octaplaslg%C3%A2-validation-studies-using-different-thawing-devices
#4
Andrea Heger, Katharina Pock, Jürgen Römisch
BACKGROUND: The aim of this study was to perform validation of the thawing process for solvent/detergent-treated plasma octaplasLG® using different thawing devices. Optimized settings for temperature and thawing time should be defined based on the results of both temperature measurements and extensive biochemical characterization studies. METHODS: octaplasLG units were thawed using water bath systems (i.e. MB-13A, QuickThaw® DH4), dry tempering systems (i.e. plasmatherm, SAHARA-III), and microwave oven (i...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503124/factor-xiii-deficiency-and-thrombocytopenia-are-frequent-modulators-of-postoperative-clot-firmness-in-a-surgical-intensive-care-unit
#5
Sarah von Rappard, Corina Hinnen, Roger Lussmann, Manuela Rechsteiner, Wolfgang Korte
OBJECTIVE: Fibrinogen and factor XIII (FXIII) have been shown to critically influence clot firmness in the intraoperative setting and thus likely influence intraoperative bleeding. We were interested to identify potential modulators of postoperative clot firmness in a tertiary care hospital surgical intensive care unit setting, independent of their clinical course during surgery. METHODS: 272 day-shift consecutive patients were evaluated for whole blood clot firmness evaluated by the ROTEM® EXTEM thrombelastometric assay and various potential modulators of clot firmness upon arrival at the surgical intensive care unit (SICU)...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503123/thromboelastometry-and-thrombelastography-analysis-under-normal-physiological-conditions-systematic-review
#6
Marcel Adler, Sandra Ivic, Nicolas S Bodmer, Hugo Ten Cate, Lucas M Bachmann, Walter A Wuillemin, Michael Nagler
BACKGROUND: Studies investigating thromboelastometry or thrombelastography analyses in a physiological context are scattered and not easy to access. OBJECTIVE: To systematically retrieve and describe published reports studying healthy subjects and targeting at the correlation of ROTEM® and TEG® measurements with conventional parameters of hemostasis. METHODS: Systematic Review: Papers were searched in Medline, Scopus and the Science Citation Index database...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503122/thrombosis-in-inherited-fibrinogen-disorders
#7
REVIEW
Wolfgang Korte, Man-Chiu Poon, Alfonso Iorio, Michael Makris
Although inherited fibrinogen disorders (IFD) are primarily considered to be bleeding disorders, they are associated with a higher thrombotic complication risk than defects in other clotting factors. Managing IFD patients with thrombosis is challenging as anticoagulant treatment may exacerbate the underlying bleeding risk which can be life-threatening. Due to the low prevalence of IFD, there is little information on pathophysiology or optimal treatment of thrombosis in these patients. We searched the literature for cases of thrombosis among IFD patients and identified a total of 128 patient reports...
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28503121/hemostasis-and-hemotherapy
#8
EDITORIAL
Wolfgang Korte, Marco Cattaneo
No abstract text is available yet for this article.
April 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275334/clinical-significance-of-an-alloantibody-against-the-kell-blood-group-glycoprotein
#9
Stella Maris Mattaloni, Carine Arnoni, Rosario Céspedes, Claudia Nonaka, Carolina Trucco Boggione, Melina Eliana Luján Brajovich, Andrea Trejo, Néstor Zani, Claudia Silvia Biondi, Lilian Castilho, Carlos Miquel Cotorruelo
BACKGROUND: Kell null (K0) individuals can produce anti-Ku, an antibody against many epitopes in the Kell glycoprotein, after transfusion and/or pregnancy. Since sensitized K0 patients are rare, little is known about anti-Ku clinical relevance and in particular about its association to hemolytic disease of the fetus and newborn. CASE REPORT: This work describes a case of neonatal hyperbilirubinemia due to immune-mediated erythrocyte destruction by an alloantibody directed against the Kell glycoprotein...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275333/abo-incompatible-living-donor-liver-transplantation-in-focus-of-antibody-rebound
#10
Silke Rummler, Astrid Bauschke, Erik Baerthel, Heike Juette, Katrin Maier, Christina Malessa, Dagmar Barz, Utz Settmacher
BACKGROUND: Living donor liver transplantation (LDLT) is an option to expand the donor organ pool for patients with life-threatening diseases who cannot be supplied with a cadaver organ. Next to the donor risks, complications after ABO-incompatible LDLT (ABOi LDLT) in the recipient are subject to controversial discussion. Improvement in ABOi graft survival rates have been achieved with plasma treatment procedures (PTP) and immunosuppression but antibody-mediated rejection (AMR) and graft loss still occur...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275332/hcv-rna-testing-of-plasma-samples-from-cornea-donors-suitability-of-plasma-samples-stored-at-4-%C3%A2-c-for-up-to-8-days
#11
Annemarie Berger, Sabine Salla, Oliver T Keppler, Holger F Rabenau
BACKGROUND: The HCV RNA testing of potential cornea donors frequently relies on blood samples stored pre mortem. The recommended storage time of maximum 72 h frequently excludes a significant fraction of donors. METHODS: The influence of storage time of EDTA plasma samples at 4 °C on the viral load measured with the Roche HCV Quantitative Test vs. 2.0 was evaluated for 43 samples from HCV-positive individuals. RESULTS: The mean reduction of the viral load after 4 °C storage for 6-8 days was 0...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275331/from-development-to-implementation-adjusting-the-hematocrit-of-deglycerolized-red-cell-concentrates-to-meet-regulatory-standards
#12
Tracey Turner, Adele Hansen, Jayme Kurach, Jason P Acker
BACKGROUND: Before transfusion, thawed frozen red cell concentrates (RCCs) must be deglycerolized. In order to ensure that these products meet regulatory standards for hematocrit, an approach to manipulate hematocrit post deglycerolization was developed and implemented. METHODS: Glycerolized and frozen RCCs were thawed and deglycerolized using the COBE 2991 cell processor, and the final product's hematocrit was adjusted by addition of various volumes of 0.9% saline / 0...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275330/is-autoimmune-thrombocytopenia-itself-the-primary-disease-in-the-presence-of-second-diseases-data-from-a-long-term-observation
#13
Nasra Aboud, Fabian Depré, Abdulgabar Salama
BACKGROUND: Dependent on the absence or presence of associated diseases, autoimmune thrombocytopenia (ITP) can be classified as primary or secondary form. The manifestation of the associated diseases is not temporally defined and may occur during observation. Thus the question which disease is the primary one remains unanswered. METHODS: All 386 patients included in this study were treated by a single primary physician between 1996 and 2015 at the Charité Berlin and met current ITP criteria...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275329/characterization-of-human-ab-serum-for-mesenchymal-stromal-cell-expansion
#14
Vanessa Tieko Marques Dos Santos, Amanda Mizukami, Maristela Delgado Orellana, Samia Rigotto Caruso, Fernanda Borges da Silva, Fabiola Traina, Karen de Lima Prata, Dimas Tadeu Covas, Kamilla Swiech
BACKGROUND: So far, using human blood-derived components appears to be the most efficient and safest approach available for mesenchymal stromal cell (MSC) expansion. In this paper, we report on the characterization of human AB serum (AB HS) produced by using different plasma sources, and its use as an alternative supplement to MSC expansion. METHODS: Two plasma sources were used for AB HS production: plasma removed from whole blood after 24 h of collection (PC > 24 h) and plasma, cryoprecipitate reduced (PCryoR)...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28275328/assessment-of-the-clinical-performance-of-platelet-concentrates-treated-by-pathogen-reduction-technology-in-santiago-de-compostela
#15
M Dolores Vilariño, Azucena Castrillo, Alfredo Campos, Rachel Kilian, Mercedes Villamayor, Marcia Cardoso
INTRODUCTION: This study assessed the feasibility, performance, and safety of Mirasol®-treated platelet concentrates (M-PC) stored for up to 7 days. METHODS: This prospective observational study was approved by the ethical committee of the University Clinic of Santiago de Compostela. Informed consent was asked from patients receiving M-PC. M-PCs were treated with the Mirasol system according to the manufacturer's instructions. Thrombocytopenic patients were transfused according to the Spanish transfusion guidelines...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27994533/zika-virus-zikv
#16
(no author information available yet)
No abstract text is available yet for this article.
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27994532/severe-hypoxemia-in-a-healthy-donor-for-allogeneic-hematopoietic-stem-cell-transplantation-after-only-the-first-administration-of-granulocyte-colony-stimulating-factor
#17
Keita Yamamoto, Noriko Doki, Yasushi Senoo, Yuho Najima, Takeshi Kobayashi, Kazuhiko Kakihana, Kyoko Haraguchi, Yoshiki Okuyama, Hisashi Sakamaki, Kazuteru Ohashi
BACKGROUND: Granulocyte-colony stimulating factor (G-CSF) is widely used to mobilize peripheral blood stem cells (PBSCs) in healthy donors. A few reports have shown that some healthy donors developed acute respiratory distress syndrome or capillary leak syndrome after more than several rounds of G-CSF administration or leukapheresis. CASE REPORT: We report the case of a healthy donor for allogeneic stem cell transplantation who developed severe hypoxemia 1 h after only the first administration of G-CSF...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27994531/kinship-testing-based-on-snps-using-microarray-system
#18
Sohee Cho, Hee Jin Seo, Jihyun Lee, Hyung Jin Yu, Soong Deok Lee
BACKGROUND: Kinship testing using biallelic SNP markers has been demonstrated to be a promising approach as a supplement to standard STR typing, and several systems, such as pyrosequencing and microarray, have been introduced and utilized in real forensic cases. The Affymetrix microarray containing 169 autosomal SNPs developed for forensic application was applied to our practical case for kinship analysis that had remained inconclusive due to partial STR profiles of degraded DNA and possibility of inbreeding within the population...
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27994530/knowledge-is-safety-the-time-is-ripe-for-hepatitis-e-virus-blood-donor-screening
#19
EDITORIAL
Tanja Vollmer, Cornelius Knabbe, Jens Dreier
No abstract text is available yet for this article.
November 2016: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/27994529/anti-d-antibodies-in-pregnant-d-variant-antigen-carriers-initially-typed-as-rhd
#20
Jelena Lukacevic Krstic, Slavica Dajak, Jasna Bingulac-Popovic, Vesna Dogic, Jela Mratinovic-Mikulandra
BACKGROUND: To evaluate the incidence, the consequences, and the prevention strategy of anti-D alloimmunizations of D variant carriers in the obstetric population of Split-Dalmatia County, Croatia. METHODS: RhD immunization events were evaluated retrospectively for the period between 1993 and 2012. Women were tested for RhD antigen and irregular antibodies. Those with anti-D antibody who were not serologically D- were genotyped for RHD. They were evaluated for their obstetric and transfusion history and their titer of anti-D...
November 2016: Transfusion Medicine and Hemotherapy
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