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International Journal of Laboratory Hematology

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https://www.readbyqxmd.com/read/28444873/hematologic-hepatic-and-renal-function-changes-in-hospitalized-patients-with-middle-east-respiratory-syndrome-coronavirus
#1
J A Al-Tawfiq, K Hinedi, S Abbasi, M Babiker, A Sunji, M Eltigani
BACKGROUND: There are no longitudinal data on the changes in hematologic, hepatic, and renal function findings in patients with Middle East respiratory syndrome coronavirus (MERS-CoV) infection. METHODS: This is a retrospective cohort study of 16 MERS-CoV patients, to describe the hematological, hepatic, and renal findings of patients with MERS-CoV. RESULTS: During the 21 days of observation, there was no significant change in the hepatic panel or creatinine tests...
April 26, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28444843/evaluation-of-two-automated-cell-counters-for-the-analysis-of-hematopoietic-progenitor-cell-apheresis-products
#2
S Gils, B Cauwelier, H Devos, I Vanlaere, S Roggeman, J Emmerechts
INTRODUCTION: Routine hematology parameters in hematopoietic progenitor cell apheresis products (HPC-A) are usually determined using automated cell counters. These instruments, however, are designed to analyze whole blood samples, that differ considerably from HPC-A in blood cell composition. This study evaluates the performance of two automated cell counters for the analysis of HPC-A. METHODS: Routine hematology parameters [red blood cells (RBC), hematocrit (HCT), mean corpuscular volume (MCV), white blood cells (WBC), WBC differentiation, and platelets (PLT)] were determined on the Unicel DxH 800 instrument (Beckman Coulter) and the XN-350 instrument (Sysmex)...
April 26, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28432724/fluorescent-aerolysin-flaer-based-paroxysmal-nocturnal-hemoglobinuria-pnh-screening-a-single-center-experience-from-india
#3
K Rahman, R Gupta, G Yadav, N Husein, M K Singh, S Nityanand
BACKGROUND: Fluorescent aerolysin (FLAER) has been recommended as an important part of antibody panel used for flow cytometric detection of paroxysmal nocturnal hemoglobinuria (PNH) clone. This study was aimed to observe the frequency of PNH-positive clones and their sizes in patients screened for various indications. METHOD: A retrospective analysis of 624 patients screened over a period of 30 months. Frequency and size of clone sizes noted, and laboratory parameters were compared among different groups of patient being screened...
April 22, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28422443/role-of-cd200-in-differential-diagnosis-of-mature-b-cell-neoplasm
#4
K Rahman, P Kumar, R Gupta, M K Singh, S Nityanand
INTRODUCTION: CD 200 is a type I immunoglobulin super family membrane glycoprotein, which is expressed in various mature B-cell neoplasm (MBN). This study aimed at analyzing the expression pattern of CD200 by flow cytometry immunophenotyping (FCI) and to evaluate its utility in narrowing down the differential diagnosis of MBN, particularly in low-grade lymphomas. METHODS: A total of 160 samples were evaluated by FCI over a period of 2 years (July 2014-June 2016), by a panel of antibodies including CD200...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28422440/blood-parameters-of-preterm-neonates-postnatal-evolution-according-to-gestational-age
#5
P Roudil, C Vasselon, B Trombert-Paviot, C Berger, H Patural
INTRODUCTION: The blood count provides qualitative and quantitative essential information on bloodlines. Reference hematologic parameters have been established in children and neonates, but few data are available regarding the premature population during the first month of life. The main objective of this study was to establish normative values for blood parameters for premature infants born between 26 and <37 weeks of gestation, during the first month of life, taking into account gestational and postnatal age and treatments that can impact the threshold values...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28422420/a-study-of-disseminated-intravascular-coagulation-in-acute-leukemia-reveals-markedly-elevated-d-dimer-levels-are-a-sensitive-indicator-of-acute-promyelocytic-leukemia
#6
N Shahmarvand, J S Oak, M J Cascio, M Alcasid, E Goodman, B C Medeiros, D A Arber, J L Zehnder, R S Ohgami
INTRODUCTION: While the presence of disseminated intravascular coagulation (DIC) has been implicated in worse clinical outcome in acute leukemia, the relationship between different subtypes of acute leukemia and the clinicopathologic features of DIC has not been systematically well studied. METHODS: In this study, we retrospectively reviewed 149 cases of newly diagnosed acute leukemia and assessed the utility of evaluating red blood cell morphologic features, and coagulation parameters in determining the presence of DIC as well as differentiating subtypes of acute leukemia...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28422416/clot-wave-analysis-and-thromboembolic-score-in-liver-cirrhosis-two-opposing-phenomena
#7
M F Ruberto, O Sorbello, A Civolani, D Barcellona, L Demelia, F Marongiu
INTRODUCTION: Prothrombin time (PT) and activated partial thromboplastin time (aPTT) are abnormal but unreliable in cirrhotic patients to express their risk of bleeding. However, these patients may also suffer from thrombotic episodes. In order to investigate the dynamics of the formation of fibrin, the clot waveform analysis (CWA) of aPTT was studied together with a score for the evaluation of the thromboembolic risk. METHODS: CWA in terms of velocity (1st derivative), acceleration (2nd derivatives) and density (Delta) of aPTT and the Padua Prediction Score (PPS) for venous thromboembolism were studied in 191 cirrhotic patients...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28406575/monitoring-once-weekly-recombinant-factor-ix-prophylaxis-in-hemophilia-b-with-thrombin-generation-assay-and-factor-ix-activity
#8
V Nummi, A Jouppila, R Lassila
INTRODUCTION: Prophylaxis is the recommended treatment mode for severe hemophilia B. However, no single treatment regimen fits for all patients. Once-weekly prophylaxis with high-dose recombinant factor IX (rFIX) is efficacious, nevertheless, laboratory outcomes following 72 h after administration are lacking. METHODS: In a prospective open-label noncomparative study, 10 severe/moderate (FIX ≤2 IU/dL) adult patients received rFIX dose (60-100 IU/kg) after >72 h washout on two occasions, separated by 7 days...
April 13, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28406553/detection-of-factor-xiii-deficiency-data-from-multicentre-exercises-amongst-uk-neqas-and-pro-rbdd-project-laboratories
#9
I Jennings, S Kitchen, M Menegatti, R Palla, I Walker, M Makris, F Peyvandi
INTRODUCTION: FXIII deficiency is a rare bleeding disorders, and specific FXIII assays are recommended to detect this deficiency. We investigated the performance and accuracy of FXIII investigations in two exercises, comparing centres enrolled in the PRO-RBDD project (prospective data collection on patients with fibrinogen and Factor XIII deficiencies), and UK NEQAS BC centres. METHODS: Samples from a FXIII deficient subject and a normal donor were sent to participating centres, to investigate for FXIII deficiency, and interpret their results...
April 13, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28406545/diagnosing-nocturnal-paroxysmal-hemoglobinuria-a-single-center-4-year-experience
#10
T Mercier, T Devos, M Mukovnikova, N Boeckx
INTRODUCTION: Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disease and can present as a wide range of signs and symptoms. As such, the indication for diagnostic testing for PNH is not always straightforward. Therefore, we analyzed all first-time samples tested over a 56-month period to determine the clinical settings with a high probability of detecting a PNH clone. METHODS: We retrospectively analyzed 323 first-time PNH flow cytometry tests, including LDH, cytopenias, direct antiglobulin test (DAT), and clinical indication for testing as available at the time of testing...
April 13, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28333408/paroxysmal-nocturnal-haemoglobinuria-diagnosis-in-a-woman-after-foetal-loss
#11
LETTER
M Vasbien, J M Minon
No abstract text is available yet for this article.
March 23, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28333407/the-use-of-cellavision%C3%A2-dm96-in-the-verification-of-the-presence-of-blasts-in-samples-flagged-by-the-sysmex-xe-5000
#12
H Eilertsen, C E Henriksson, T-A Hagve
INTRODUCTION: The CellaVision™DM96 is a digital pattern recognition system that classifies white blood cells. The aim of this study was to evaluate whether the CellaVision preclassification feature, without a subsequent re-classification, was a sufficient approach to follow up flags reported by Sysmex XE-5000. METHODS: Pairs of blood smears from 400 samples reported with suspect flags were examined using conventional microscopy and the CellaVision features. The effect of pre- vs...
March 23, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318150/expression-of-cd4-is-correlated-with-an-unfavorable-prognosis-in-wild-type-npm1-flt3-itd-negative-cytogenetically-normal-adult-acute-myeloid-leukemia
#13
R J Guo, E G Atenafu, A D Schimmer, M D Minden, H Chang
INTRODUCTION: In the cytogenetically normal population of AML (CN-AML), FLT3-ITD-positive and wild-type NPM1 is correlated with a worse outcome, and FLT3-ITD-negative with NPM1-mut is correlated with a better outcome. This leaves a large subpopulation of CN-AML patients without NPM1 or FLT3-ITD mutations with heterogeneous outcomes with overall survivals (OS) ranging from several weeks to years. Therefore, new prognostic markers are needed to better risk stratify this subset of patients...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318145/a-multicenter-study-on-pivka-reference-interval-of-healthy-population-and-establishment-of-pivka-cutoff-value-for-hepatocellular-carcinoma-diagnosis-in-china
#14
X Qin, G Tang, R Gao, Z Guo, Z Liu, S Yu, M Chen, Z Tao, S Li, M Liu, L Wang, L Hou, L Xia, X Cheng, J Han, L Qiu
INTRODUCTION: The aim of this study was to investigate the reference interval of protein-induced vitamin K absence or antagonist-II (PIVKA-II) in China population and to evaluate its medical decision level for hepatocellular carcinoma (HCC) diagnosis. METHODS: To determine the reference range for Chinese individuals, a total of 855 healthy subjects in five typical regions of China were enrolled in this study to obtain a 95% reference interval. In a case-control study which recruited the subjects diagnosed with HCC, metastatic liver cancer, bile duct cancer, hepatitis, cirrhosis, other benign liver diseases and the subjects administrated anticoagulant, receiver operating characteristic analysis was used to determine PIVKA-II cutoff value for a medical decision...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318109/agreement-between-factor-xiii-activity-and-antigen-assays-in-measurement-of-factor-xiii-a-french-multicenter-study-of-147-human-plasma-samples
#15
C Caron, R Meley, V Le Cam Duchez, M F Aillaud, C Lavenu-Bombled, F Dutrillaux, C Flaujac, A Ryman, C Ternisien, D Lasne, H Galinat, C Pouplard
INTRODUCTION: Factor XIII (FXIII) deficiency is a rare hemorrhagic disorder whose early diagnosis is crucial for appropriate treatment and prophylactic supplementation in cases of severe deficiency. International guidelines recommend a quantitative FXIII activity assay as first-line screening test. FXIII antigen measurement may be performed to establish the subtype of FXIII deficiency (FXIIID) when activity is decreased. METHODS: The aim of this multicenter study was to evaluate the analytical and diagnostic levels of performance of a new latex immunoassay, K-Assay(®) FXIII reagent from Stago, for first-line measurement of FXIII antigen...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318107/the-amplitude-of-coagulation-curves-from-thrombin-time-tests-allows-dysfibrinogenemia-caused-by-the-common-mutation-fgg-arg301-to-be-distinguished-from-hypofibrinogenemia
#16
M Jacquemin, I Vanlinthout, I Van Horenbeeck, M Debasse, J Toelen, J Schoeters, R Lavend'homme, K Freson, K Peerlinck
INTRODUCTION: Thrombin time (TT) tests are useful for diagnosing coagulation disorders involving abnormal fibrinogen but do not allow us to distinguish between qualitative and quantitative defects. However, with the widening availability of optical coagulation automates, more information about the coagulation process is becoming increasingly accessible. METHODS: In this study, we compared the coagulation curves of TT tests carried out with plasma from healthy donors with those from patients with acquired low Clauss fibrinogen levels or with dysfibrinogenemia caused by a heterozygous point mutation in the fibrinogen γ-chain that results in a p...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318106/lack-of-rivaroxaban-influence-on-a-prothrombinase-based-assay-for-the-detection-of-activated-c-protein-resistance-an-italian-ex-vivo-and-in-vitro-study-in-normal-subjects-and-factor-v-leiden-carriers
#17
G Gessoni, S Valverde, L Valle, F Gessoni, P Caruso, R Valle
INTRODUCTION: Activated protein C resistance (APCr) leads to hypercoagulability and is due, often but not exclusively, to Factor V Leiden (FVL). The aim of this study was to assess the ex vivo and in vitro interference of the direct factor Xa inhibitor rivaroxaban (RIV) on a prothrombinase-based assay for APCr detection. METHODS: An ex vivo study was performed on fresh plasma samples obtained from 44 subjects with FV wild-type and seven with FVL heterozygous, all treated with RIV...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318100/abrogation-of-red-blood-cell-g6pd-enzyme-activity-through-heat-treatment-development-of-survey-material-for-the-uk-neqas-g6pd-scheme
#18
D R Roper, B De la Salle, V Soni, K Fletcher, J A Green
INTRODUCTION: Participation in external quality assessment (EQA) is central to the maintenance of high-quality laboratory results in patient diagnosis and clinical trials. Laboratories in the TAF112582 DETECTIVE study (ClinicalTrials.gov identifier: NCT01376167) are enrolled in the United Kingdom National Quality Assessment Scheme (UK NEQAS) for glucose-6-phosphate dehydrogenase (G6PD) quantitative assay, which utilizes ovine (sheep) blood as a readily available source of apparently G6PD-deficient survey material...
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318097/a-novel-%C3%AE-0-thalassemia-deletion-in-a-brazilian-child-with-hb-h-disease-braz
#19
LETTER
N O Mota, E M Kimura, R D Ferreira, D M Albuquerque, D M Ribeiro, M N N Santos, F F Costa, M F Sonati
No abstract text is available yet for this article.
March 20, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28318095/clinicopathologic-and-molecular-characterization-of-myeloid-neoplasms-with-isolated-t-6-9-p23-q34
#20
V Visconte, S Shetty, B Przychodzen, C Hirsch, J Bodo, J P Maciejewski, E D Hsi, H J Rogers
INTRODUCTION: The t(6;9)(p23;q34);DEK-NUP214 [t(6;9)] abnormality is found in 0.7-1.8% of patients with acute myeloid leukemia (AML) or myelodysplastic syndromes (MDS). FLT3-ITD mutations are detected in t(6;9) patients. The t(6;9) abnormality is associated with poor outcomes. We studied the clinicopathologic and molecular profiles of patients with AML/MDS carrying t(6;9). METHODS: We collected clinical data of nine patients with AML/MDS with isolated t(6;9) (median age = 41 years; male/female = 4/5) and genotyped DNAs using whole exome, Sanger, and targeted sequencing...
March 20, 2017: International Journal of Laboratory Hematology
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