Abstract:
:This study describes the use of a simple charcoal product (DOAC-RemoveTM ) to allow haemostasis assays on patients taking direct oral anticoagulants (DOAC). In the proposed algorithm, patients taking DOAC are screened using the dilute thrombin time (dTT) and anti-Xa assay. If either are positive then DOAC-Remove is utilised. In a validation, DOAC-Remove did not interfere with coagulation testing in normal plasma or in patients on DOAC with a known lupus anticoagulant (LA). Of 1566 routine patient samples tested, 125 (8%) had evidence of anti-Xa activity (>0·1 iu/ml) or prolonged dTT suggestive of either a direct/indirect Xa inhibitor or direct thrombin inhibitor. All of these 125 patients had a prolonged dilute Russell viper venom time (dRVVT) screening test and 106 had a LA detected by dRVVT after phospholipid correction. After DOAC-Remove, 91 patients (73%) had a negative dRVVT screen. After further investigation only 9 (7%) had a positive LA. DOAC-Remove prevented 5% of patients having a LA inappropriately detected. DOAC did not significantly affect the LA activated partial thromboplastin time (aPTT) ratio, protein S antigen or protein C activity. DOAC cause low intrinsic factor assays, high prothrombin time/aPTT and high activated protein C sensitivity ratio, which DOAC-Remove reversed (P < 0·05). Despite recommendations, haemostasis testing for patients on DOAC continues; this algorithm aids diagnostic accuracy. Further validation and research are warranted.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Cox-Morton S,MacDonald S,Thomas Wdoi
10.1111/bjh.16091subject
Has Abstractpub_date
2019-11-01 00:00:00pages
377-385issue
3eissn
0007-1048issn
1365-2141journal_volume
187pub_type
临床试验,杂志文章abstract::Mature (peripheral) T-cell lymphoma (PTCL) other than anaplastic large cell lymphoma is a heterogeneous group of diseases and exceedingly rare in children and adolescents. Survival rates range between 46% and 85%. This study reports the disease characteristics, treatment and outcome of all patients with the diagnosis ...
journal_title:British journal of haematology
pub_type: 杂志文章,多中心研究
doi:10.1111/bjh.13216
更新日期:2015-03-01 00:00:00
abstract::An oscillatory pattern of platelet agglutination-disagglutination in response to Ristocetin (R) at narrow concentration ranges was observed in citrated platelet rich plasma (PRP) of 10 patients with Glanzmann's thrombasthenia. The cyclic pattern decreased in intensity over time, was reproducible, and was not pH depend...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1979.tb03726.x
更新日期:1979-09-01 00:00:00
abstract::A new method of in vivo bioassay for erythropoietin (EPO) is described. This method is based on the measurement of immature reticulocytes in EPO-treated mice using an automatic microcell counter, and is simpler and more precise than the existing methods of polycythaemic mouse assay and starved rat assay. Normal mice w...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1991.tb08595.x
更新日期:1991-03-01 00:00:00
abstract::Duffy blood group antigens are carried on a glycoprotein that is predicted to pass through the erythrocyte membrane seven times and is a promiscuous chemokine receptor. The Fy(a- b-) phenotype is present in two-thirds of African-American Blacks but is rare in Caucasians. In Blacks, the phenotype is due to a non-functi...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2000.01882.x
更新日期:2000-02-01 00:00:00
abstract::Management of the acute painful crisis (APC) of sickle cell disease (SCD) remains unsatisfactory despite advances in the understanding and management of acute pain in other clinical settings. One reason for this is an unsophisticated approach to the use of opioid analgesics for pain management. This applies to haemato...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/bjh.12879
更新日期:2014-07-01 00:00:00
abstract::Apoptosis is involved in many biological processes, especially during chemotherapy in cancer patients. Chemotherapy is also associated with an increased risk of thrombosis. The relationship between thrombogenicity and apoptosis was studied in various human tumour cell lines and non-tumour cell lines. Apoptosis was ind...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2001.03095.x
更新日期:2001-11-01 00:00:00
abstract::Purpura fulminans (PF) is a cutaneous manifestation of a dramatic and deadly syndrome of systemic disseminated intravascular coagulation (DIC). It is characterized by microvascular thrombosis in the dermis followed by perivascular haemorrhage. Since two other related syndromes involve the protein C (PC) system, we und...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1990.tb02625.x
更新日期:1990-05-01 00:00:00
abstract::A DNA-based method was developed to genotype donors for the human platelet antigens HPA-1a and -1b. Sequence-specific primers (SSP) were used in the polymerase chain reaction (PCR) which allowed the HPA-1a/1a, -1b/1b and -1a/1b genotypes to be determined by PCR alone, no second analytical stage was required. 10 donors...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb08680.x
更新日期:1993-09-01 00:00:00
abstract::Oxygen dissociation studies were carried out on red cells and lysates from a patient heterozygous for Hb Hammersmith. The oxygen affinity of the cells at pH 7.1 was decreased, partly by an increased cellular concentration of 2,3-DPG and more importantly by an intrinsic low affinity of Hb Hammersmity. Haem-haem interac...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1975.tb00533.x
更新日期:1975-06-01 00:00:00
abstract::We treated 21 elderly patients with high-risk myelodysplasia (n = 14) or secondary acute myeloid leukaemia (n = 7) with 2 mg of melphalan orally once a day until a complete peripheral response was obtained or until there was evidence of treatment failure. We observed seven (30%) complete and two (10%) partial peripher...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2000.01825.x
更新日期:2000-01-01 00:00:00
abstract::The continued improvement in the prognosis of childhood acute myeloid leukaemia (AML) has been paralleled by the use of increasingly intensive therapy. This has led to attempts to develop risk-directed strategies in which the most intensive treatment is reserved for those at highest risk of relapse. Unfortunately, cur...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2006.06182.x
更新日期:2006-08-01 00:00:00
abstract::This review will focus on the strengths and limitations associated with the current standard of care for primary prevention of ischaemic strokes in children with sickle cell anaemia (SCA) - transcranial Doppler ultrasound (TCD) screening followed by regular blood transfusion therapy when TCD measurement is above a thr...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2141.2011.09005.x
更新日期:2012-04-01 00:00:00
abstract::We performed a retrospective analysis of outcome in 45 patients with multiple myeloma receiving unrelated donor stem cell transplants (UD-SCT) in the UK between 1993 and 2002; 17 received myeloablative conditioning regimens and 28 received reduced intensity conditioning (RIC) protocols. Forty patients received pretran...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.2003.04714.x
更新日期:2003-12-01 00:00:00
abstract::The polymerase chain reaction (PCR) assay was used to detect human parvovirus B19 DNA in 38 blood products and start plasma pools from five different manufacturers. The products examined were albumin, factor VIII, intravenous (i.v.) and intramuscular (i.m) immunoglobulin batches. The majority of pools from all the man...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1996.d01-1679.x
更新日期:1996-06-01 00:00:00
abstract::The profile of thymidine kinase isoenzymes was determined in peripheral blood lymphocytes from 14 patients with chronic lymphocytic leukaemia (CLL) and 31 controls. Twelve patients with indolent disease showed TK2 isoenzyme activity, while two patients in whom the disease evolved and two patients who presented with ag...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1981.tb07251.x
更新日期:1981-11-01 00:00:00
abstract::Twenty-six members of four generations of one family in which a man was diagnosed in 1961 as having von Willebrand's disease (vWD) have been studied. Subtype IIB vWD and autosomal dominant inheritance was identified in 19 individuals with bleeding signs varying in severity and frequency. The absence of high molecular ...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1988.tb02406.x
更新日期:1988-08-01 00:00:00
abstract::The myelodysplastic syndromes (MDS) display both haematological and biological heterogeneity with variable leukaemia potential. MicroRNAs play an important role in tumour suppression and the regulation of self-renewal and differentiation of haematopoietic progenitors. Using a microarray platform, we evaluated microRNA...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2011.08581.x
更新日期:2011-04-01 00:00:00
abstract::Interleukin 17A (IL17A), a cytokine involved in allergy, inflammation and osteoclastogenesis, was investigated in multiple myeloma (MM) to assess its role in the osteoclast (OC)-like activity of marrow immature dendritic cells (iDCs). Comparing nine MM patients with control subjects affected by monoclonal gammopathy o...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.12333
更新日期:2013-06-01 00:00:00
abstract::The translocation t(14;18) and its t(2;18) and t(18,22) variants, which involve the BCL2 genetic hallmark for follicular lymphoma (FL), have been reported in several cases of chronic B-cell lymphoproliferative disease (CLPD) and frequently in chronic lymphocytic leukaemia (CLL). We describe here the clinical, morpholo...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2012.09178.x
更新日期:2012-08-01 00:00:00
abstract::The French-American-British (FAB) classification assigns patients with myelodysplastic syndromes to the category of refractory anaemia with excess blasts (RAEB) if they have a medullary blast count of 5-20%, and/or a peripheral blast count of 2-5%. The new World Health Organization (WHO) classification subdivides RAEB...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2005.05853.x
更新日期:2006-01-01 00:00:00
abstract::After T-cell depleted marrow transplantation, there is a rapid recovery of cytotoxic effector cells, with activity against targets not susceptible to killing by 'resting' natural killer cells. These targets include Epstein-Barr virus transformed B cells and leukaemic cell lines. Activated killer cell function declines...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1987.tb02347.x
更新日期:1987-11-01 00:00:00
abstract::A 6-month-old male infant with hereditary spherocytosis (HS) who was the first child of a cousin marriage is presented. The patient had splenomegaly and severe anaemia. Examination of the peripheral blood smear revealed spherocytes and the osmotic fragility of red blood cells was greatly increased. Physical examinatio...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1992.tb06473.x
更新日期:1992-11-01 00:00:00
abstract::Classical Hodgkin lymphoma (cHL) is characterized by a paucity of neoplastic Hodgkin/Reed Sternberg (HRS) cells within a complex cellular milieu that is rendered immunologically incapable of reacting against CD30(+) HRS cells due to a plethora of immune escape mechanisms initiated by the neoplastic cells. Accounting f...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/bjh.12759
更新日期:2014-05-01 00:00:00
abstract::Novel therapies with increased efficacy and decreased toxicity are desperately needed for the treatment of acute myeloid leukaemia (AML). The anti CD33 immunoconjugate, gemtuzumab ozogamicin (GO), was withdrawn with concerns over induction mortality and lack of efficacy. However a number of recent trials suggest that,...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/bjh.12691
更新日期:2014-02-01 00:00:00
abstract::Patients with idiopathic anaemias associated with abnormal sideroblasts were defined according to morphologic and ferrokinetic criteria and the haematologic and biochemical effects of vitamin B6 therapy were evaluated. While all patients presented similar clinical pictures, peripheral blood changes and bone marrow abn...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1979.tb01129.x
更新日期:1979-06-01 00:00:00
abstract::The BRAF V600E mutation has recently been described in all cases of hairy cell leukaemia (HCL). We have developed and validated a rapid and sensitive high-resolution melting analysis (HRMA) assay that detects BRAF exon 15 mutations when hairy cells are as low as 5-10% in a sample. All 48 HCL patients were positive for...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2011.08868.x
更新日期:2011-12-01 00:00:00
abstract::Expression of the mdr1 (multidrug resistance), mrp (multidrug resistance associated protein), and lrp (lung resistance related protein) genes is associated with transport related MDR (multidrug resistance). We quantified mRNA levels of these genes using competitive reverse transcription polymerase chain reaction (RT-P...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1046/j.1365-2141.1999.01611.x
更新日期:1999-09-01 00:00:00
abstract::A highly sensitive Y-microsatellite amplification system was developed for the detection of post bone marrow transplantation (BMT) chimaerism. The system is able to detect the DNA equivalent of a single male cell in a background of 10(5) female cells. For clinical applications it has the distinct advantage that the po...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1995.tb08380.x
更新日期:1995-03-01 00:00:00
abstract::In emicizumab prophylaxis, the concomitant therapy using bypassing agents (BPAs) is required for breakthrough bleeding and invasive procedures with attention to thrombotic complications. To predict coagulant effects of BPAs in emicizumab-treated patients with haemophilia A (PwHA) with inhibitor (PwHAwI), blood samples...
journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.16574
更新日期:2020-09-01 00:00:00
abstract::The blood-related cancer leukaemias were the first diseases where human cancer stem cells, or leukaemic stem cells (LSC), were isolated. The haematopoietic system is one of the best tissues for investigating cancer stem cells, because the developmental hierarchy of normal blood formation is well defined. Leukaemias ca...
journal_title:British journal of haematology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2141.2005.05596.x
更新日期:2005-08-01 00:00:00