Abstract:
:The PFA-100(R) (PFA) diagnostic system for the detection of platelet dysfunction was evaluated to determine reference ranges in a normal population. The PFA determines the primary haemostasis capacity (PHC) of anticoagulated whole blood, expressed by the system's closure time (CT). In this study the CT reference ranges were determined for blood samples collected in 105 mmol/l (3.2%) buffered citrate and the effect of gender, smoking, and use of oral contraceptives on reference ranges was assessed. Each of the 309 healthy blood donors from five blood centres was confirmed to have normal platelet function before inclusion in the study. Blood samples were tested in duplicate with both the collagen/epinephrine (Col/Epi) and collagen/ADP (Col/ADP) test cartridges. PFA reference ranges (90% central intervals of measured closure times) for both cartridge types were similar for all groups. Subgroup analysis showed that neither gender nor oral contraceptive usage had any effect on PHC. The 95% cut-off value for the Col/Epi CT was slightly higher for smokers than for non-smokers, an effect more pronounced in female than in male donors. However, the small difference did not justify establishment of specific reference ranges for smokers. Data from all included subjects were pooled to calculate the CT reference ranges for blood samples collected in 105 mmol/l buffered citrate (Col/Epi 82-150 s; Col/ADP 62-100 s). Normal levels of fibrinogen, as well as normal platelet counts and normal haematocrit levels, appeared not to influence the PHC. Because slight but significant differences of the reference ranges were observed between some of the participating sites, in-house confirmation of these reference range guidelines is recommended.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Böck M,De Haan J,Beck KH,Gutensohn K,Hertfelder HJ,Karger R,Heim MU,Beeser H,Weber D,Kretschmer Vdoi
10.1046/j.1365-2141.1999.01660.xsubject
Has Abstractpub_date
1999-09-01 00:00:00pages
898-904issue
4eissn
0007-1048issn
1365-2141pii
bjh1660journal_volume
106pub_type
杂志文章abstract::It has been suggested that in blast crisis (BC) of chronic myeloid leukaemia (CML) the clinical and laboratory features of patients with 'lymphoid' phenotype differ from those of patients with non-lymphoid BC. In order to assess any differences, 97 patients consecutively diagnosed with BC that followed a known chronic...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1998.00542.x
更新日期:1998-01-01 00:00:00
abstract::Tissue factor pathway inhibitor (TFPI) is released to circulating blood after intravenous (i.v.) and subcutaneous (s.c.) injections of heparins, and may thus contribute to the antithrombotic effect of heparins. We have recently shown that total TFPI activity, plasma free TFPI antigen, and heparin releasable TFPI were ...
journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1046/j.1365-2141.1999.01791.x
更新日期:1999-12-01 00:00:00
abstract::Three certified reference materials for thromboplastins are available from the Community Bureau of Reference (BCR) of the European Commission for calibration of commercial thromboplastins used for control of oral anticoagulant therapy. The long-term stability of these reference materials has been monitored by two inde...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb04209.x
更新日期:1988-03-01 00:00:00
abstract::A human plasma cell leukaemia cell line (HSM-2) and a subclone (HSM-2.3) have been established from the bone marrow of a patient with bi-phenotypic leukaemia. Proliferation assays using a variety of cytokines demonstrated that HSM-2 proliferated in response to recombinant interleukin-6 (rIL-6), but did not respond to ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1991.tb04419.x
更新日期:1991-06-01 00:00:00
abstract::Iron uptake and storage in peripheral blood leucocytes has been studies to test the hypothesis that the basic lesion in idiopathic haemochromatosis resides in a failure of mononuclear phagocytic cells to store iron. In seven fully treated cases of this disease there was no evidence of any abnormality in iron uptake, s...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1981.tb07276.x
更新日期:1981-12-01 00:00:00
abstract::An enzyme linked immunoassay incorporating antihuman globulin coupled with alkaline phosphatase has been developed to measure platelet associated IgG (PAIgG). Using a method in which platelet IgG is extracted into the fluid phase after appropriate procedures, we were able to bind the 'solubilized' PAIgG to commerciall...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1981.00039.x
更新日期:1981-05-01 00:00:00
abstract::To investigate the relationship between normal B-cells, B-cell chronic lymphocytic leukaemia (B-CLL) cells and hairy cell leukaemia (HCL) cells the three cell types were incubated with phorbol myristic acetate (PMA). The parameters studied were morphology, immunophenotype and tartrate resistant acid phosphatase (TRAP)...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1990.tb04349.x
更新日期:1990-07-01 00:00:00
abstract::Imatinib mesylate (IM, STI 571, Glivec) can induce a high rate of complete cytogenetic response (CCR) in chronic myeloid leukaemia (CML) patients, although to date the majority of patients continue to have detectable disease by sensitive reverse transcription polymerase chain reaction (RT-PCR). It is therefore possibl...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2003.04599.x
更新日期:2003-11-01 00:00:00
abstract::Immune reconstitution was studied prospectively in 66 children who underwent 77 haematopoietic cell transplantations (HCT): 46 autologous HCTs in 39 patients and 31 allogeneic HCTs in 27 patients. We studied the dynamic analysis of immune recovery with regard to potential factors affecting its speed, including age, ty...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03560.x
更新日期:2002-07-01 00:00:00
abstract::Major histocompatibility complex class I molecule expression is reduced in some malignant tumours permitting escape from immune surveillance and is therefore associated with a poor prognosis. Seven cases of non-Hodgkin lymphomas out of 300 cases of malignant lymphoproliferative disorders totally lacked expression of c...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1998.00631.x
更新日期:1998-03-01 00:00:00
abstract::Prospective studies in children with B-precursor acute lymphoblastic leukaemia (ALL) have shown that polymerase chain reaction (PCR)-based detection of minimal residual disease (MRD) using immunoglobin (Ig) and T-cell receptor (TCR) gene rearrangements as targets can be used to identify patients with a high relapse ri...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2002.03228.x
更新日期:2002-01-01 00:00:00
abstract::The mechanisms involved in regulating von Willebrand factor (VWF) clearance remain poorly understood. However recent studies have shown that macrophages play a critical role in regulating the half-life of VWF, and have identified specific lectin (including asialoglycoprotein, macrophage galactose-type lectin, Sigec-5 ...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/bjh.15565
更新日期:2018-10-01 00:00:00
abstract::Myelofibrosis with myeloid metaplasia (MMM) is uniquely characterized by macroscopic bone marrow stromal changes that are believed to be both reactive and cytokine mediated. Furthermore, a prognostically detrimental increase in bone marrow angiogenesis has recently been demonstrated. These observations suggest a poten...
journal_title:British journal of haematology
pub_type: 临床试验,杂志文章,多中心研究
doi:10.1046/j.1365-2141.2002.03443.x
更新日期:2002-05-01 00:00:00
abstract::Thrombocytopenia is common (40-65%) and potentially serious in myelodysplastic syndromes (MDS). A systematic review was conducted to determine the safety and efficacy of adding a thrombopoietin-receptor (THPO-R) agonist to standard MDS treatment. MEDLINE, EMBASE and CENTRAL databases were searched. We included randomi...
journal_title:British journal of haematology
pub_type: 杂志文章,meta分析,评审
doi:10.1111/bjh.13088
更新日期:2014-12-01 00:00:00
abstract::Pralatrexate inhibits folic acid metabolism, and preclinical studies have shown that it is cytotoxic to multiple myeloma cells. This phase 1 study investigated the safety and efficacy of pralatrexate in combination with bortezomib in adults with relapsed or refractory multiple myeloma. A standard 3 + 3 design was used...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.13946
更新日期:2016-04-01 00:00:00
abstract::We report the characterization of three variant antithrombins with reduced heparin binding as the primary abnormality. Two of these variants, antithrombin Southport (Leu 99 to Val, 2759 C to G) and antithrombin Vienna (Gln 118 to Pro, 5349 A to C) were novel, whereas the third, Pro 41 to Leu, has been previously descr...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1995.tb08369.x
更新日期:1995-03-01 00:00:00
abstract::Bacteria in platelet components (PC) may result in transfusion-related sepsis (TRS). Pathogen inactivation of PC with amotosalen (A-PC) can abrogate the risk of TRS and hence facilitate storage to 7 d. A randomized, controlled, double-blinded trial to evaluate the efficacy and safety of A-PC stored for 6-7 d was condu...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1111/j.1365-2141.2011.08635.x
更新日期:2011-05-01 00:00:00
abstract::The 32 kD lipid-raft-associated membrane protein 'stomatin' is deficient from the erythrocyte membrane in the Na+-K+ leaky haemolytic anaemia, overhydrated hereditary stomatocytosis (OHSt). To date, no mutation in the gene coding for this protein has so far been found in OHSt. In this study, we have analysed the distr...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05742.x
更新日期:2005-10-01 00:00:00
abstract::Immuno-alkaline phosphatase staining (by the APAAP technique) has been used to identify promegakaryoblasts in cell smears from 10 cases of leukaemia (three acute leukaemia, seven blast transformations). In all cases promegakaryoblasts were labelled by at least two anti-platelet glycoprotein (gp) antibodies, the highes...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1987.tb06140.x
更新日期:1987-01-01 00:00:00
abstract::To investigate the role of neutrophils in complement-induced changes in vascular permeability, skin wheal and flare responses to intradermal injection of autologous activated serum complement were measured in normal and neutropenic subjects. In normal subjects, responses were dose-dependent and were abolished by remov...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1986.tb04131.x
更新日期:1986-10-01 00:00:00
abstract::A patient presented with haemolytic anaemia and a negative direct antiglobulin test (DAT), and was found to have an IgG antibody with anti-Jka specificity in his serum. His red cells were typed as Jk(a-b+). Later he developed idiopathic thrombocytopenic purpura (ITP), and had a positive DAT due to anti-Jka bound to hi...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb02411.x
更新日期:1988-08-01 00:00:00
abstract::Antithrombin III (AT III) activity has been measured in 9669 healthy blood donors (5525 male and 4144 female). The distribution of AT III is approximately 'normal' with mean 105.6 IU/dl and standard deviation 11.2; however, definite age and sex related variations are evident. Pre-menopausal females have lower mean AT ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb03104.x
更新日期:1993-07-01 00:00:00
abstract::Previously described platelet-aggregating antibodies associated with thrombosis and thrombocytopenia required heparin for their in vivo and in vitro expression. We have observed a patient with thrombosis who became thrombocytopenic during heparin treatment, but who suffered further thrombotic events and continued thro...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1990.tb02592.x
更新日期:1990-03-01 00:00:00
abstract::A patient with pure red cell aplasia (PRCA) and autoimmune haemolytic anaemia (AIHA), associated with a thymoma which had already been removed, was studied in order to investigate the pathogenesis of PRCA and AIHA. The autoantibody eluted from the surface of the patient's red blood cells (RBC) reacted with the large E...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb04239.x
更新日期:1988-04-01 00:00:00
abstract::Ibrutinib is associated with durable responses in patients with Waldenström macroglobulinaemia (WM). We hypothesized that response depth is predictive of progression-free survival (PFS) in WM patients treated with ibrutinib. Using landmark analyses, we evaluated response depth in two cohorts of WM patients treated wit...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.17225
更新日期:2020-11-18 00:00:00
abstract::Terminal B-cell differentiation is a multi-step process, from short-lived plasmablasts to mature long-lived plasma cells (PC). The anti-apoptotic Bcl-2 family member Bfl-1/A1 plays a critical role in the survival of mature B cells. However, its potential involvement at the later stages of B-cell development remains hi...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2004.04908.x
更新日期:2004-05-01 00:00:00
abstract::In myeloproliferative neoplasms (MPN), JAK2V617F allele burden measurement has an impact on prognosis that helps in patient monitoring. Less is known about its usefulness in CALR-mutated cases. Additional mutations found by next-generation sequencing have also shown an impact on prognosis that may drive therapeutic ch...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.16276
更新日期:2020-03-01 00:00:00
abstract::Previous studies report conflicting results concerning the potential significance of thrombophilic genotypes in postarthroplasty venous thromboembolism (VTE). This study assessed thrombophilic genotypes, haemostatic and clinical variables as independent risk factors for VTE postarthroplasty. A total number of 569 pati...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05419.x
更新日期:2005-04-01 00:00:00
abstract::In a 61-year-old man with glucose-6-phosphate dehydrogenase (G6PD) deficiency and poorly controlled non-insulin-dependent diabetes mellitus, an episode of acute haemolysis occurred after the administration of glyburide (glibenclamide). Erythrocyte fragmentation, with haemoglobin condensation zones next to clear zones,...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1996.275810.x
更新日期:1996-01-01 00:00:00
abstract::The close association between translocation of the proto-oncogene bcl-2 and follicular lymphomas has been well established in Caucasian patients and the de-regulation of bcl-2 has been implicated in follicular lymphomagenesis. Similar molecular structural alterations have also been detected in diffuse lymphomas with a...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1990.tb07837.x
更新日期:1990-09-01 00:00:00