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neutrophil transfusion

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https://www.readbyqxmd.com/read/28620491/pseudo-thrombotic-thrombocytopenic-purpura-presenting-as-multi-organ-dysfunction-syndrome-a-rare-complication-of-pernicious-anemia
#1
Saroj Kandel, Nibash Budhathoki, Shanta Pandey, Bikash Bhattarai, Aam Baqui, Ramesh Pandey, Divya Salhan, Danilo Enriquez, Joseph Quist, Frances M Schmidt
OBJECTIVE: We present a rare case of pernicious anemia presented as multi-organ dysfunction syndrome, later found to have pseudo-thrombotic thrombocytopenic purpura. METHODS: An 86-year-old female presented with respiratory distress, altered mental status, acute renal failure and was intubated in emergency room. She was found to have severe anemia, thrombocytopenia, high lactate, high lactate dehydrogenase and low haptoglobin. Peripheral smear revealed multilobulated neutrophils with schistocytes, poikilocytes and anisocytes...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28608441/transfusion-related-acute-lung-injury-critical-neutrophil-activation-by-anti-hla-a2-antibodies-for-endothelial-permeability
#2
Kathy Khoy, Minh Vu Chuong Nguyen, Dominique Masson, Béatrice Bardy, Christian Drouet, Marie-Hélène Paclet
BACKGROUND: Transfusion-related acute lung injury (TRALI) is a major complication of hemotherapy that may occur after the transfusion of any blood type component. Several clinical reports have suggested the presence of anti-HLA antibodies in the blood product. This study sought to examine the role of anti-HLA-A2 antibodies in polymorphonuclear neutrophil (PMN) activation and thus in endothelial permeability. STUDY DESIGN AND METHODS: PMN activation was assessed by both nicotinamide adenine dinucleotide phosphate oxidase (NADPH oxidase) activity and reactive oxygen species (ROS) production...
June 13, 2017: Transfusion
https://www.readbyqxmd.com/read/28603827/prognostic-factors-predicting-overall-survival-in-moroccan-patients-with-myelodysplastic-syndrome
#3
Selim Jennane, Sanae Amelal, Mahtat El Mehdi, Samir Ahid, Nezha Messaoudi, Kamal Doghmi, Mohammed Mikdame
BACKGROUND: Prognostic scores are an indispensable tool in the management of myelodysplastic syndromes. AIM: Identify prognostic factors influencing overall survival of patients with myelodysplastic syndromes. METHODS: We included all patients with myelodysplastic syndromes treated in the clinical hematology department of the military hospital of Rabat (Morocco). RESULTS: Seventy-four patients were included. The sex ratio [M / F] was 1...
August 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28589653/assessment-of-hna-alloimmunisation-risk-in-northeastern-thais-burmese-and-karen
#4
P Simtong, C Puapairoj, C Leelayuwat, S Santoso, A V Romphruk
OBJECTIVES: This study aimed to determine human neutrophil antigen (HNA) frequency, estimate possible HNA incompatibilities and predict the risk of HNA alloimmunisation in the Northeastern Thai, Burmese and Karen populations. BACKGROUND: Alloantibodies against HNA are implicated in a number of clinical conditions, including immune-mediated neutropenia and transfusion reactions. METHODS: A total of 400 unrelated healthy Thais, 261 Burmese and 249 Karen was included in this study...
June 7, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28570672/mirasol-pathogen-reduction-technology-treatment-of-human-whole-blood-does-not-induce-acute-lung-injury-in-mice
#5
Beñat Mallavia, Nicholas Kwaan, Susanne Marschner, Susan Yonemura, Mark R Looney
In resource-limited settings and in the military theater, fresh human whole blood is commonly transfused, but infectious risks are a concern. Sophisticated molecular testing for potential infectious agents in the whole blood is often unavailable. To address this unmet need, pathogen reduction technology (PRT) has been developed, and it is an effective approach to inactivate a broad range of pathogens found in human blood. However, studies are needed to determine if it is harmful to blood cells and whether these cells could damage the transfused recipient, including the development of acute lung injury/acute respiratory distress syndrome...
2017: PloS One
https://www.readbyqxmd.com/read/28548643/condensed-versus-standard-schedule-of-high-dose-cytarabine-consolidation-therapy-with-pegfilgrastim-growth-factor-support-in-acute-myeloid-leukemia
#6
S Jaramillo, A Benner, J Krauter, H Martin, T Kindler, M Bentz, H R Salih, G Held, C-H Köhne, K Götze, M Lübbert, A Kündgen, P Brossart, M Wattad, H Salwender, B Hertenstein, D Nachbaur, G Wulf, H-A Horst, H Kirchen, W Fiedler, A Raghavachar, G Russ, S Kremers, E Koller, V Runde, G Heil, D Weber, G Göhring, K Döhner, A Ganser, H Döhner, R F Schlenk
The aim of this cohort study was to compare a condensed schedule of consolidation therapy with high-dose cytarabine on days 1, 2 and 3 (HDAC-123) with the HDAC schedule given on days 1, 3 and 5 (HDAC-135) as well as to evaluate the prophylactic use of pegfilgrastim after chemotherapy in younger patients with acute myeloid leukemia in first complete remission. One hundred and seventy-six patients were treated with HDAC-135 and 392 patients with HDAC-123 with prophylactic pegfilgrastim at days 10 and 8, respectively, in the AMLSG 07-04 and the German AML Intergroup protocol...
May 26, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28535135/recovery-from-cyclophosphamide-overdose-in-a-dog
#7
Jessica Renee Finlay, Kenneth Wyatt, Courtney North
An adult female spayed dog was evaluated after inadvertently receiving a total dose of 1,750 mg oral cyclophosphamide, equivalent to 2,303 mg/m(2), over 21 days (days -21 to 0). Nine days after the last dose of cyclophosphamide (day +9), the dog was evaluated at Perth Veterinary Specialists. Physical examination revealed mucosal pallor, a grade 2/6 systolic heart murmur, and severe hemorrhagic cystitis. Severe nonregenerative pancytopenia was detected on hematology. Broad spectrum antibiotics, two fresh whole blood transfusions, granulocyte colony stimulating factor, and tranexamic acid were administered...
May 23, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28515091/angiotensin-converting-enzyme-enhances-the-oxidative-response-and-bactericidal-activity-of-neutrophils
#8
Zakir Khan, Xiao Z Shen, Ellen A Bernstein, Jorge F Giani, Masahiro Eriguchi, Tuantuan V Zhao, Romer A Gonzalez-Villalobos, Sebastien Fuchs, George Y Liu, Kenneth E Bernstein
Angiotensin converting enzyme (ACE) inhibitors are widely used to reduce blood pressure. Here, we examined if ACE is important for the antibacterial effectiveness of neutrophils. ACE knockout mice or mice treated with an ACE inhibitor were more susceptible to bacterial infection by methicillin-resistant S. aureus (MRSA). In contrast, mice over expressing ACE in neutrophils (Neu(ACE) mice) have increased resistance to MRSA, and better in vitro killing of MRSA, P. aeruginosa, and K. pneumoniae ACE overexpression increased neutrophil production of reactive oxygen species (ROS) following MRSA challenge, an effect independent of the angiotensin II AT1 receptor...
May 17, 2017: Blood
https://www.readbyqxmd.com/read/28446307/-effect-of-abo-incompatibility-on-outcome-of-allogeneic-hematopoietic-stem-cell-transplantation
#9
Bing-Bing Yang, Yi-Feng Gan, Peng Chen, Yi Chen, Kang Yu
OBJECTIVE: To investigate the effect of ABO-incompatibility on the efficacy and complications of allogeneic hematopoietic stem cell transplantation(HSCT). METHODS: The clinical data of 54 recipients who received ABO-incompatible allo-HSCT were retrospectively analyzed and were compared with 54 ABO-identical recipients as controls. Hematopoietic reconstruction and the blood type conversion time were dynamically observed and compared between 2 groups. RESULTS: The time of erythrocyte reconstitution was prolonged to 24 d in ABO-incompatible group, compared with that of 19 d in ABO-compatible group (P<0...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28426137/hydroxyurea-hydroxycarbamide-for-sickle-cell-disease
#10
REVIEW
Sarah J Nevitt, Ashley P Jones, Jo Howard
BACKGROUND: Sickle cell disease (SCD) is one of the most common inherited diseases worldwide. It is associated with lifelong morbidity and a reduced life expectancy. Hydroxyurea (hydroxycarbamide), an oral chemotherapeutic drug, ameliorates some of the clinical problems of SCD, in particular that of pain, by raising fetal haemoglobin. This is an update of a previously published Cochrane Review. OBJECTIVES: To assess the effects of hydroxyurea therapy in people with SCD (all genotypes), of any age, regardless of setting...
April 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28361596/a-case-of-fatal-agranulocytosis-that-developed-in-a-patient-with-%C3%AE-thalassemia-major-treated-with-deferiprone
#11
Maria Mainou, Aggeliki Kotsiafti, Philippos Klonizakis, Vasiliki Soulountsi, Chrysoula Apostolou, Kiriakos Psarras, Efthymia Vlachaki
A 29-year-old male with transfusion-dependent β-thalassemia major (β-TM), splenectomized and on chelation therapy with deferiprone (DFP or L1) due to heart and liver hemosiderosis, presented with high fever and agranulocytosis. Deferiprone was discontinued and a broad spectrum antibiotic therapy was started intravenously. The patient remained febrile and showed no recovery of neutrophil count even after the initiation of granulocyte colony-stimulation factor (G-CSF). After 12 days at the hospital, he developed respiratory failure and was transferred to the intensive care unit (ICU) where he developed multi-organ failure and died 3 days later...
November 2016: Hemoglobin
https://www.readbyqxmd.com/read/28332137/correction-of-dilutional-anemia-induces-renal-dysfunction-in-diabetic-patients-undergoing-coronary-artery-bypass-grafting-a-consequence-of-microcirculatory-alterations
#12
Güçlü Aykut, Meltem Kilercik, Cem Arıtürk, Halim Ulugöl, Uğur Aksu, Türkan Kudsioğlu, Nazan Atalan, Nihan Yapıcı, Hasan Karabulut, Fevzi Toraman
BACKGROUND: In this study we aimed to evaluate the effects of dilutional anemia resulting from cardiopulmonary bypass (CPB) and its correction with red blood cell (RBC) transfusion on tissue oxygenation and renal function in diabetic patients undergoing coronary artery bypass grafting (CABG). METHOD: 70 diabetic patients who underwent elective CABG and whose hematocrit values had been between 24-28% at any time during CBP were prospectively randomized and equally allocated to two groups: patients who received RBC during CPB (group I, n = 35) vs...
March 22, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28320485/mesenchymal-stem-cells-increase-expression-of-heme-oxygenase-1-leading-to-anti-inflammatory-activity-in-treatment-of-acute-liver-failure
#13
Zhi-Heng Zhang, Wei Zhu, Hao-Zhen Ren, Xin Zhao, Shuai Wang, Hu-Cheng Ma, Xiao-Lei Shi
BACKGROUND: Mesenchymal stem cells (MSCs) have been studied for the treatment of acute liver failure (ALF) for several years. MSCs may exert their effect via complex paracrine mechanisms. Heme oxygenase (HO) 1, a rate-limiting enzyme in heme metabolism, exerts a wide range of anti-inflammatory, anti-apoptotic and immunoregulatory effects in a variety of diseases. However, the relationship between MSCs and HO-1 in the treatment of ALF is still unclear. We investigated the preventive and therapeutic potential of intravenously administered BMSCs...
March 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28314085/targeted-next-generation-sequencing-and-identification-of-risk-factors-in-world-health-organization-defined-atypical-chronic-myeloid-leukemia
#14
Mrinal M Patnaik, Daniela Barraco, Terra L Lasho, Christy M Finke, Kaaren Reichard, Katherine P Hoversten, Rhett P Ketterling, Naseema Gangat, Ayalew Tefferi
Atypical chronic myeloid leukemia (aCML) is an aggressive myeloid neoplasm with overlapping features of myelodysplastic syndromes (prominent granulocytic dysplasia) and myeloproliferative neoplasms (neutrophilic leukocytosis). We studied 25 molecularly-annotated and World Health Organization defined aCML patients; median age 70 years, 84% males. Cytogenetic abnormalities were seen in 36% and gene mutations in 100%. Mutational frequencies were, ASXL1 28%, TET2 16%, NRAS 16%, SETBP1 12%, RUNX1 12%, ETNK1 8%, and PTPN11 4%...
June 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28295178/granulocyte-transfusions-in-the-management-of-invasive-fungal-infections
#15
REVIEW
Kamille A West, Juan Gea-Banacloche, David Stroncek, Sameer S Kadri
Granulocyte transfusions have a long history of being used in patients with neutropenia or neutrophil dysfunction to prevent and treat invasive fungal infections. However, there are limited and conflicting data concerning its clinical effectiveness, considerable variations in current granulocyte transfusion practices, and uncertainties about its benefit as an adjunct to modern antifungal therapy. In this review, we provide an overview on granulocyte transfusions and summarize the evidence on their role in the prevention and treatment of invasive fungal infections...
May 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28283474/acid-sphingomyelinase-mediates-murine-acute-lung-injury-following-transfusion-of-aged-platelets
#16
Mark John McVey, Michael Kim, Arata Tabuchi, Victoria Srbely, Lukasz Japtok, Christoph Arenz, Ori Rotstein, Burkhard Kleuser, John Wesley Semple, Wolfgang Michael Kuebler
Pulmonary complications from stored blood products are the leading cause of mortality related to transfusion. Transfusion related acute lung injury is mediated by antibodies or bioactive mediators, yet, underlying mechanisms are incompletely understood. Sphingolipids such as ceramide regulate lung injury, and their composition changes as a function of time in stored blood. Here, we tested the hypothesis that aged platelets may induce lung injury via a sphingolipid-mediated mechanism. To assess this hypothesis, a two hit mouse model was devised...
March 10, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28211956/transfused-neutrophils-home-to-a-joint-with-fungal-infection
#17
Dawn C Ward, Gregory P Beaulieu, Susan F Leitman, Willy A Flegel
No abstract text is available yet for this article.
November 2016: Transfusion
https://www.readbyqxmd.com/read/28178130/de-escalation-empirical-antibiotic-therapy-improved-survival-for-patients-with-severe-aplastic-anemia-treated-with-antithymocyte-globulin
#18
COMPARATIVE STUDY
Rong Fu, Tong Chen, Jia Song, Guojin Wang, Lijuan Li, Erbao Ruan, Hui Liu, Yihao Wang, Huaquan Wang, Limin Xing, Yuhong Wu, Hong Liu, Wen Qu, Zonghong Shao
We aimed to investigate the efficacy and safety of de-escalation empirical therapy for controlling infection in patients with severe aplastic anaemia (SAA) treated with antithymocyte globulin (ATG). Eighty-seven ATG-treated SAA patients who had microbiological culture-confirmed infections from 2006 to 2015 in our center were retrospectively analyzed. The efficacy of de-escalation and non-de-escalation therapy was compared. Among all 87 patients, 63 patients were treated with de-escalation therapy and 24 patients with non-de-escalation therapy...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28164668/development-of-a-multiplex-pcr-for-human-neutrophil-antigens-1-3-4-and-5-genotyping-among-thai-blood-donors
#19
Oytip Nathalang, Kamphon Intharanut, Kanokpol Siriphanthong, Wiradee Sasikarn, Siriporn Nathalang
BACKGROUND: Different polymerase chain reaction (PCR) techniques for human neutrophil antigens (HNA) genotyping have been implemented to diagnose the clinical conditions of patients with alloimmune neutropenia, febrile non-hemolytic transfusion reactions, and transfusion-related acute lung injury and to provide effective HNAmatched granulocyte transfusions. The present study aimed to develop an in-house multiplex-PCR for HNA-1, -3, -4, and -5 genotyping in the Thai population. METHODS: Altogether, 500 DNA samples obtained from unrelated, healthy Thai blood donors at the National Blood Centre, Thai Red Cross Society, Bangkok, Thailand were included...
November 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28155889/platelets-protect-lung-from-injury-induced-by-systemic-inflammatory-response
#20
Shuhua Luo, Yabo Wang, Qi An, Hao Chen, Junfei Zhao, Jie Zhang, Wentong Meng, Lei Du
Systemic inflammatory responses can severely injure lungs, prompting efforts to explore how to attenuate such injury. Here we explored whether platelets can help attenuate lung injury in mice resulting from extracorporeal circulation (ECC)-induced systemic inflammatory responses. Mice were subjected to ECC for 30 min, then treated with phosphate-buffered saline, platelets, the GPIIb/IIIa inhibitor Tirofiban, or the combination of platelets and Tirofiban. Blood and lung tissues were harvested 60 min later, and lung injury and inflammatory status were assessed...
February 3, 2017: Scientific Reports
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