Quantification of hemoglobin Constant Spring in heterozygote and homozygote by a capillary electrophoresis method.

abstract：INTRODUCTION:New methods for coagulation tests require careful assessment before routine use. We evaluated the analytical performance of five new coagulation assays for measuring prothrombin time (PT) and activated partial thromboplastin time (aPTT). METHODS:PT Rec, PT Owren, aPTT, aPTT Lupus and aPTT Screen assays (R...

journal_title：International journal of laboratory hematology

authors： Kitchen S,Geisen U,Kappelmayer J,Quehenberger P,Drieß J,Lowe A,Jones R,Boehm JG,Miles G,Rozsnyai G

更新日期：2018-12-01 00:00:00

abstract：:Chronic active Epstein-Barr virus infection of T- and NK-cell type, systemic form, is a rare entity within the spectrum of EBV-driven T- and NK-cell lymphoproliferative disorders. Established diagnostic criteria and a characteristic clinical course help to differentiate it from other closely related EBV-positive neopl...

journal_title：International journal of laboratory hematology

authors： Ondrejka SL,Hsi ED

更新日期：2020-06-01 00:00:00

abstract：INTRODUCTION:Direct oral anticoagulants (DOAC) are commonly prescribed and measuring drug levels may be useful in a number of contexts. However, data on DOAC level measurement and their clinical utility in real-world studies are limited. METHODS:We carried out a 2-year retrospective cohort study of DOAC levels measure...

journal_title：International journal of laboratory hematology

authors： Denny NDR,Keighley L,Siganporia Z,Thachil J,Nash MJ

更新日期：2019-04-01 00:00:00

abstract：:The performance of factor VII (FVII) assays currently used by clinical laboratories was examined in North American Specialized Coagulation Laboratory Association (NASCOLA) proficiency tests. Data from 12 surveys conducted between 2008 and 2010, involving 20 unique specimens plus four repeat-tested specimens, were anal...

journal_title：International journal of laboratory hematology

authors： Zantek ND,Hsu P,Refaai MA,Ledford-Kraemer M,Meijer P,Van Cott EM

更新日期：2013-06-01 00:00:00

abstract：INTRODUCTION:TET2, a member of the Ten-Eleven translocation gene family, catalyzes the conversion of 5-methylcytosine to 5-hydroxymethylcytosine in DNA. Low expression of TET2 has been reported as a prognostic factor for several types of malignancies in adult patients. However, there have been few data on the effect of...

journal_title：International journal of laboratory hematology

authors： Zhang P,Weng WW,Chen P,Zhang Y,Ruan JF,Ba DD,Xu WQ,Tang YM

更新日期：2019-10-01 00:00:00

abstract：:Before a new method is used for clinical testing, it is essential that it is evaluated for suitability for its intended purpose. This document gives guidance for the performance of verification, validation and implementation processes required by regulatory and accreditation bodies. It covers the planning and executio...

journal_title：International journal of laboratory hematology

authors： Gardiner C,Coleman R,de Maat MPM,Dorgalaleh A,Echenagucia M,Gosselin RC,Ieko M,Kitchen S

更新日期：2020-11-29 00:00:00

abstract：BACKGROUND:White blood cell (WBC) counts are used to monitor bone marrow function and to screen for infections. The HemoCue WBC DIFF Point-Of-Care (POC) instrument classifies WBCs through cell image recognition. To evaluate its suitability for monitoring cancer patients, we examined its performance in samples from pati...

journal_title：International journal of laboratory hematology

authors： Kur DK,Agersnap N,Holländer NH,Pedersen OBV,Friis-Hansen L

更新日期：2020-06-01 00:00:00

abstract：:Treatment of malignant blood disorders, such as leukemia, that can provide a better chance of long-term remission involves myeloablation followed by transplantation of matched donor hematopoietic stem cells (HSCs). For successful engraftment and re-establishment of hematopoiesis to occur in the recipient, the transpla...

journal_title：International journal of laboratory hematology

authors： Lam BS,Adams GB

更新日期：2010-12-01 00:00:00

abstract：:Measurement of the Haemoglobin F in red cell haemolysates is important in the diagnosis of δβ thalassaemia, hereditary persistence of fetal haemoglobin (HPFH) and in the diagnosis and management of sickle cell disease. The distribution of Hb F in red cells is useful in the diagnosis of HPFH and in the assessment of fe...

journal_title：International journal of laboratory hematology

authors： Stephens AD,Angastiniotis M,Baysal E,Chan V,Davis B,Fucharoen S,Giordano PC,Hoyer JD,Mosca A,Wild B,International Council for The Standardisation of Haematology (ICSH).

更新日期：2012-02-01 00:00:00

abstract：INTRODUCTION:New generation osmotic gradient ektacytometry has become a powerful procedure for measuring red blood cell deformability and therefore for the diagnosis of red blood cell membrane disorders. In this study, we aim to provide further support to the usefulness of osmotic gradient ektacytometry for the differe...

journal_title：International journal of laboratory hematology

authors： Llaudet-Planas E,Vives-Corrons JL,Rizzuto V,Gómez-Ramírez P,Sevilla Navarro J,Coll Sibina MT,García-Bernal M,Ruiz Llobet A,Badell I,Velasco-Puyó P,Dapena JL,Mañú-Pereira MM

更新日期：2018-02-01 00:00:00

abstract：:The paucity of clinical reports in the world literature suggests that, as a disease entity, haemoglobin SE compound heterozygosity is of negligible importance. In view of the significant community prevalence of this haemoglobinopathy in the Sultanate of Oman where it is the second most prevalent sickling disorder, a h...

journal_title：International journal of laboratory hematology

authors： Knox-Macaulay HH,Ahmed MM,Gravell D,Al-Kindi S,Ganesh A

更新日期：2007-08-01 00:00:00

abstract：INTRODUCTION:The body fluid mode of the Sysmex XN-2000 hematology analyzer differentiates cells into mononuclear and polymorphonuclear white blood cells (WBC) and high-fluorescent cells (HFC). The aim of this study was to evaluate the performance of the HFC count for detecting malignant cells in serous body fluids. ME...

journal_title：International journal of laboratory hematology

authors： Labaere D,Boeckx N,Geerts I,Moens M,Van den Driessche M

更新日期：2015-10-01 00:00:00

abstract：INTRODUCTION:The IgV(H) mutational status of B-cell chronic lymphocytic leukemia (B-CLL) is of prognostic value. Expression of ZAP-70 in B-CLL is a surrogate marker for IgV(H) unmutated (UM). As determination of IgV(H) mutational status involves a methodology currently unavailable for most clinical laboratories, it is ...

journal_title：International journal of laboratory hematology

authors： Marquez ME,Deglesne PA,Suarez G,Romano E

更新日期：2011-04-01 00:00:00

abstract：INTRODUCTION:Physiological changes during pregnancy affect routine tests for iron deficiency. The reticulocyte haemoglobin equivalent (RET-He) and serum-soluble transferrin receptor (sTfR) assay are newer diagnostic parameters for the detection of iron deficiency, combined in the Thomas diagnostic plot. We used this pl...

journal_title：International journal of laboratory hematology

authors： Weyers R,Coetzee MJ,Nel M

更新日期：2016-04-01 00:00:00

abstract：INTRODUCTION:In acute myeloid leukemia (AML), it has been shown that AML-derived cells often remain sensitive to autophagy-inducing stimuli, leading to the idea that harnessing the autophagy can be pertinent to AML cytotoxic therapy. Despite this promising notion, to date, there is no comprehensive study addressing aut...

journal_title：International journal of laboratory hematology

authors： Zare-Abdollahi D,Safari S,Movafagh A,Ghadiani M,Tabarraee M,Riazi-Isfahani S,Gorji S,Keyvan L,Gachkar L

更新日期：2016-04-01 00:00:00

abstract：INTRODUCTION:This study was aimed to compare the analytical performance of traditional and new parameters and morphological flags of CAL-8000 and XN-9000. The automated differential leukocyte count (DIFF profile) and morphological flags were compared with optical microscopy (OM). METHODS:A total of 1025 peripheral blo...

journal_title：International journal of laboratory hematology

authors： Buoro S,Mecca T,Seghezzi M,Manenti B,Azzarà G,Dominoni P,Crippa A,Ottomano C,Lippi G

更新日期：2017-04-01 00:00:00

abstract：INTRODUCTION:Severe COVID-19 is often compounded by a prothrombotic state that is associated with poor outcomes. In this investigation, we aimed to evaluate ADAMTS13 activity, von Willebrand factor level (VWF:Ag), and the corresponding ADAMTS13 activity/VWF:Ag ratio, in patients with COVID-19 and for associations with ...

journal_title：International journal of laboratory hematology

authors： Henry BM,Benoit SW,de Oliveira MHS,Lippi G,Favaloro EJ,Benoit JL

更新日期：2020-12-03 00:00:00

abstract：BACKGROUND:Argatroban is licensed for patients with heparin-induced thrombocytopenia and monitoring is conventionally by activated partial thromboplastin time (APTT) ratio with a target of 1.5-3.0 and not exceeding 100 s. The APTT may be influenced by coagulopathies, lupus anticoagulant and raised FVIII levels. Variabl...

journal_title：International journal of laboratory hematology

authors： Guy S,Kitchen S,Maclean R,Van Veen JJ

更新日期：2015-12-01 00:00:00

abstract：INTRODUCTION:Atypical chronic lymphocytic leukemia (aCLL) is a morphologic variant found in approximately 25% of patients with chronic lymphocytic leukemia (CLL). Although aCLL has a more aggressive course compared to typical CLL (tCLL), it is not usually reported. This retrospective study used digital microscopy to mo...

journal_title：International journal of laboratory hematology

authors： Marionneaux S,Maslak P,Keohane EM

更新日期：2014-08-01 00:00:00

abstract：:Bone marrow BCR-ABL transcript levels were monitored serially by real-time quantitative PCR in 46 imatinib-treated chronic myeloid leukemia patients after achieving complete cytogenetic response (CCyR) for a median of 42 months (range: 9-53). Of 41 patients in continuous CCyR, 32 and nine could achieve a >/=3-log (MMo...

journal_title：International journal of laboratory hematology

authors： Qin YZ,Liu YR,Zhu HH,Li JL,Ruan GR,Zhang Y,Jiang Q,Jiang H,Li LD,Chang Y,Huang XJ,Chen SS

更新日期：2008-08-01 00:00:00

abstract：INTRODUCTION:Paroxysmal nocturnal hemoglobinuria (PNH) is a hemolytic, clonal and acquired disorder of the hematopoietic stem cell with a deficiency of all glycophosphatidyl-inositol (GPI) linked proteins. The aim of this retrospective study was to analyse haematological and biochemical data from 152 patients referred ...

journal_title：International journal of laboratory hematology

authors： Canalejo K,Riera Cervantes N,Felippo M,Sarandría C,Aixalá M

更新日期：2014-04-01 00:00:00

abstract：:Significant advances have been made in our understanding of the structural basis for altered cell function in various inherited red cell membrane disorders with reduced red cell survival and resulting hemolytic anemia. The current review summarizes these advances as they relate to defining the molecular and structural...

journal_title：International journal of laboratory hematology

authors： Narla J,Mohandas N

更新日期：2017-05-01 00:00:00

abstract：:Though not very common, solid tumor involvement of the bone marrow (BM) may have serious consequences. Recent studies have shown that mean platelet volume (MPV) is a good indicator for BM disease in the differential diagnosis of thrombocytopenia. We investigated the significance of MPV in the diagnosis of BM metastasi...

journal_title：International journal of laboratory hematology

authors： Aksoy S,Kilickap S,Hayran M,Harputluoglu H,Koca E,Dede DS,Erman M,Turker A

更新日期：2008-06-01 00:00:00

abstract：INTRODUCTION:Thrombocytopenia-absent radius (TAR) syndrome is a rare autosomal recessive disease. Patients are compound heterozygotes for a loss-of-function allele, which in most cases is a large genomic deletion on chromosome 1q21.1 containing the RBM8A gene, and a noncoding variant located in the 5'UTR (rs139428292) ...

journal_title：International journal of laboratory hematology

authors： Nicchia E,Giordano P,Greco C,De Rocco D,Savoia A

更新日期：2016-08-01 00:00:00

abstract：INTRODUCTION:Variability in FVIII measurement is a recognized problem. There are limited data for samples containing recombinant Factor VIII Fc fusion protein (rFVIIIFc). Many studies use samples for which factor concentrate has been spiked into FVIII deficient plasma in vitro. This approach requires validation. AIM/M...

journal_title：International journal of laboratory hematology

authors： Kitchen S,Jennings I,Makris M,Kitchen DP,Woods TAL,Walker ID

更新日期：2019-04-01 00:00:00

abstract：INTRODUCTION:Point-of-care (POC) international normalized ratio (INR) values above an institutional cutoff are confirmed in the laboratory using a gold standard venous specimen. This can be problematic in a pediatric setting. METHOD:In this study, 449 consecutive POC INR results were compared to an INR performed in th...

journal_title：International journal of laboratory hematology

authors： Williams VK

更新日期：2019-02-01 00:00:00

abstract：:Acquired haemophilia is a rare phenomenon and prompt diagnosis is essential for successful treatment. Early laboratory detection could minimize its potentially devastating consequences and reduce mortality but when a masking element such as anticoagulant therapy is present, delay in diagnosis is not uncommon. A prolon...

journal_title：International journal of laboratory hematology

authors： Vadikolia CM,Riddell A,Brooks S,Yee TT,Brown S,Lee C

更新日期：2007-02-01 00:00:00

abstract：:Platelets play a central role in physiological hemostasis and also in pathological thrombosis. It is well established that congenital or acquired abnormalities of platelet function are associated with a heightened risk of bleeding of variable severity and excessive hemorrhage after surgery or trauma. Several kinds of ...

journal_title：International journal of laboratory hematology

authors： Podda G,Femia EA,Cattaneo M

更新日期：2016-05-01 00:00:00

abstract：INTRODUCTION:Mean platelet volume (MPV) and platelet (PLT) count are the two major parameters that reflect the functions and activities of PLTs. The associations of MPV and PLT count with the occurrence and prognosis of stroke have not been fully clarified. This study aimed to investigate the association of MPV and PLT...

journal_title：International journal of laboratory hematology

authors： Du J,Wang Q,He B,Liu P,Chen JY,Quan H,Ma X

更新日期：2016-06-01 00:00:00

abstract：INTRODUCTION:The Hematoflow (Beckman Coulter, USA) is a new automated hematology analyzer, which provides a 16-part white blood cell count (WBC) differential. METHODS:We evaluated the differential WBC count performance of the Hematoflow. 101 blood samples from patients were selected for comparison analysis. RESULTS:T...

journal_title：International journal of laboratory hematology

authors： Kim JE,Kim BR,Woo KS,Han JY

更新日期：2012-10-01 00:00:00