Abstract：
:The influence of red blood cells on platelet aggregation has recently been a subject of considerable interest. We have studied the effect of red cells on spontaneously formed platelet aggregates in rotating vials at 37 degrees C. Platelet aggregation was quantified by measuring the fall in number of single platelets with a whole blood platelet counter. Autologous packed red cells, platelet rich plasma and platelet free plasma were used to reconstitute aliquots of blood with constant platelet count but 0-60% haematocrit (Hct). The fall in platelet count was minimal at zero Hct, increased markedly with the Hct in the anaemic range and less markedly in the normal to polycythaemic ranges of Hct. Scanning electron microscopic observation of whole blood showed the presence of small platelet aggregates after about 3 mins rotation and very large aggregates after about 12 mins. ADP from red cells has been implicated in triggering platelet aggregation in whole blood. Whether aggregates are formed as a result of ADP leaking from the red cells or by their jostling physical action on the platelets is discussed. The marked effect of the red cells on spontaneous platelet aggregation however, justifies the manipulation of the Hct as a useful therapeutic option in the control of thrombotic and bleeding tendencies.
journal_name
Thromb Resjournal_title
Thrombosis researchauthors
Saniabadi AR,Lowe GD,Barbenel JC,Forbes CDdoi
10.1016/0049-3848(85)90150-1subject
Has Abstractpub_date
1985-05-01 00:00:00pages
225-32issue
3eissn
0049-3848issn
1879-2472journal_volume
38pub_type
杂志文章abstract：:The perfusion technique to measure the relative adhesive and thrombogenic indices of vascular prostheses by a quantitative scanning electron microscopy has been described. To normalize the experiments with different samples of plasma we compared the adhesive and thrombogenic properties of the analyzed prostheses with ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(83)90038-5
更新日期：1983-02-01 00:00:00
abstract：:Patients with active cancer have a heightened risk of venous thromboembolism (VTE). This risk is further increased by the initiation of chemotherapy. Although previous studies have suggested that the use of parenteral thromboprophylaxis in all ambulatory cancer patients receiving chemotherapy significantly decreases t...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2018.01.018
更新日期：2018-04-01 00:00:00
abstract：:Homocystinuria due to cystathionine-beta-synthase deficiency (CBS-def-HOCY) initially often presents with vascular disorders, e.g. thromboembolic events. The measurement of vascular endothelial markers in plasma could help to assess endothelial damage. We determined von Willebrand factor (measured as Ristocetincofacto...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(95)90867-f
更新日期：1995-01-01 00:00:00
abstract：INTRODUCTION:Endothelial dysfunction plays an essential role in the pathogenesis of sepsis. The study aimed to illustrate the associations between the dynamic change (from day 1 to day 7) in biomarker concentration of endothelial dysfunction and outcomes in severe sepsis and septic shock in the intensive care unit (ICU...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2018.09.059
更新日期：2018-11-01 00:00:00
abstract：INTRODUCTION:Information regarding any possible additional effect of genetic variants other than CYP2C19*2 on platelet reactivity in patients undergoing percutaneous coronary intervention (PCI), while on dual antiplatelet therapy, is sparse. MATERIALS AND METHODS:Genotyping for CYP2C19*2, CYP2C19*17, CYP2C9*3, CYP2B6*...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章
doi：10.1016/j.thromres.2011.07.022
更新日期：2012-04-01 00:00:00
abstract：:Heparin-induced thrombocytopenia (HIT) is a transient hypercoagulability state initiated, paradoxically, by the anticoagulant, heparin. It is characterized by antibody-induced activation of platelets, leading to thrombin generation. Many patients with HIT develop thrombosis; even when heparin is stopped because of "is...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/s0049-3848(03)00336-0
更新日期：2003-05-01 00:00:00
abstract：:A platelet storage pool deficiency (SPD) is present in platelets from cattle with the Chediak-Higashi syndrome (CHS). The most plausible hypothesis for the SPD is that dense granule precursors are simply not formed in CHS megakaryocytes. There is, however, evidence that some recently acquired 5-hydroxytryptamine (5HT)...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(90)90096-u
更新日期：1990-05-01 00:00:00
abstract：:Cardiovascular disease (CVD) includes a number of conditions such as myocardial infarction, coronary heart disease, stroke, and venous thromboembolism. CVD is a leading health problem worldwide and a major cause of mortality, morbidity, and disability; it is also associated with high healthcare costs. The incidence of...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/j.thromres.2014.11.036
更新日期：2015-02-01 00:00:00
abstract：PURPOSE:By using endovascular techniques, we set up an animal model of mesenteric venous thrombosis to avoid surgical laparotomy. MATERIALS AND METHODS:Ten pigs underwent percutaneous transhepatic puncture to create animal model of acute superior mesenteric venous thrombosis. Experimental animals were injected with th...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2015.10.028
更新日期：2015-12-01 00:00:00
abstract：:It has become customary to regard the various glycerophospholipids as quite similar, and the acyl groups are considered to have little influence on the behaviour of the lipids in membranes or metabolism. Nevertheless, a number of recent observations by the authors and others indicate a high degree of metabolic compart...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/0049-3848(92)90006-v
更新日期：1992-08-01 00:00:00
abstract：:The aim of this study was to compare the efficacy and safety of prolonged (35 days) thromboprophylaxis with a standard length (7 days) regimen of a low molecular weight heparin in patients undergoing total hip arthroplasty. The study was multicentre, randomised, double-blind, and prospective with two groups. Following...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/s0049-3848(98)00018-8
更新日期：1998-03-15 00:00:00
abstract：:Antiphospholipid syndrome (APS) is an autoimmune disease characterized by arterial, venous or small-vessel thrombotic events, and recurrent miscarriages or fetal loss. APS diagnosis is based on the repeated detection of anti-phospholipid (PL) antibodies (Ab), typically associated with anti-β2 glycoprotein I (β2GPI)-Ab...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/j.thromres.2014.11.034
更新日期：2015-02-01 00:00:00
abstract：:A rapid method is described for the production of a human marrow cell suspension highly enriched in megakaryocytes. These concentrates were incubated with radiolabelled amino-acids, and cell lysates were then analysed for fibrinogen synthesis. Neosynthesized proteins were detected by immunoprecipitation, immuno-affini...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90133-1
更新日期：1985-05-15 00:00:00
abstract：:Human platelets synthesize nitric oxide (NO) through an endothelial-type NO synthase (ecNOS) activated also by substances enhancing 3',5'-cyclic adenosine monophosphate (cAMP) concentrations, such as catecholamines, beta-adrenoceptor agonists and adenosine. To verify whether cAMP directly activates ecNOS through the c...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2004.06.036
更新日期：2004-01-01 00:00:00
abstract：:Cross reactive antigens to factor VIII have been measured in a range of vertebrate phyla. VIII coagulant antigen (VIII:CAg) measured using a human antibody was in general, much lower than reported values of VIII coagulant activity (VIII:C) except in simians and the guinea pig. The dose response curve for the assay was...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(82)90132-3
更新日期：1982-03-01 00:00:00
abstract：:Thirty-four derivatives of benzamidine were tested for their inhibitory activities on bovine and human thrombins using the chromogenic peptide substrate N-D-Phe-Pip-Arg-pNA. The inhibition constants of small molecular size inhibitors of comparatively low affinity as well as those of tight binding inhibitors did not di...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(84)90302-5
更新日期：1984-12-01 00:00:00
abstract：:The soluble fibrin monomer complexes (SFMC) in 154 obstetric patients with possible disseminated intravascular coagulation (DIC) were evaluated in SDS polyacrylamide gel electrophoresis (PAGE) after precipitation with B-alanine. Other coagulation tests were performed on these patients. The patients were classified int...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(82)90007-x
更新日期：1982-09-15 00:00:00
abstract：:Lupus anticoagulants (LA) are IgG or IgM antibodies which prolong phospholipid-dependent coagulation tests. For the detection and quantitation of such antibodies, we have developed an ELISA with cephalin as the coating antigen. The sensitivity of this assay was compared to the activated partial thromboplastin time (AP...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(90)90323-5
更新日期：1990-01-15 00:00:00
abstract：INTRODUCTION:Patients with intracerebral hemorrhage during rivaroxaban treatment have small hematoma and favorable outcomes compared with those with warfarin. We investigated its possible mechanism, focusing on prothrombin fragment 1+2 (F1+2), a marker of thrombin generation. MATERIALS AND METHODS:In 65 patients with ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2016.10.011
更新日期：2016-12-01 00:00:00
abstract：:The coumarin derivative AD6 is known to inhibit platelet aggregation and release and it possesses vasodilatory properties on coronary arteries of laboratory animals. Furthermore, the inhibition of the production of TxB2 from endogenous substrates after stimulation of human platelets with collagen has been demonstrated...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(87)90236-2
更新日期：1987-07-01 00:00:00
abstract：:A B S T R A C T Thrombotic events are a major cause of morbidity and mortality in cancer. While the association of venous thromboembolic events with cancer is well documented, in recent years arterial events (i.e. acute myocardial infarction and ischemic strokes) have also emerged as relatively common complications am...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/S0049-3848(20)30398-4
更新日期：2020-07-01 00:00:00
abstract：BACKGROUND:There is a need to identify and develop novel thrombolytic agents that can directly digest fibrin clots from various biological resources. OBJECTIVE:To clone, express, purify, and characterize a recombinant protease named rvFMP capable of cleaving fibrinogen, fibrin polymer, and cross-linked fibrin in human...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2020.04.040
更新日期：2020-07-01 00:00:00
abstract：:Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is the third most common cardiovascular disease after coronary artery disease and cerebrovascular disease and is responsible for significant morbidity and mortality in the general population. Full dose anticoagulation is th...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/j.thromres.2011.11.003
更新日期：2012-04-01 00:00:00
abstract：:Antiphospholipid antibodies (APAs) are considered risk factors in patients with thromboembolic diseases. Although the incidence of such acquired coagulation disturbances in adults are well described, only few data exist for children. Therefore, in a first step to collect new data we analyzed the presence of different ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(99)00241-8
更新日期：2000-05-15 00:00:00
abstract：INTRODUCTION:There is some controversy regarding the effect of CYP2C19 polymorphism on clinical outcome in patients with dual antiplatelet therapy. Chronic kidney disease (CKD) is associated with increased risk of cardiovascular event, but the association between the possession of CYP2C19 loss-of-function (LOF) alleles...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2014.07.039
更新日期：2014-11-01 00:00:00
abstract：BACKGROUND:The purpose of this study was to determine whether the administration of multiple boluses of oral and intravenous tranexamic acid (TXA) postoperatively was equivalent in reducing blood loss in primary THA. METHODS:A total of 108 patients were randomized into two groups: oral TXA group (54 patients receiving...
journal_title：Thrombosis research
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.thromres.2018.02.007
更新日期：2018-04-01 00:00:00
abstract：:Defibrotide (D) is a natural polydeoxyribonucleotide from mammalian lungs with profibrinolytic and antithrombotic activities. D also has PGI2-stimulating and tissue plasminogen activator (TPA)-releasing activities, but has no anticoagulant properties. The protective effects of D were demonstrated very recently in a mo...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(86)90265-3
更新日期：1986-05-01 00:00:00
abstract：:It is known that a low-molecular-weight heparin (LMWH) is more effective than unfractionated heparin in unstable angina/non-Q-wave myocardial infarction (UA/NQMI) and the platelet GPIIb/IIIa receptors play an important role in acute myocardial infarction (AMI). Therefore, enoxaparin might have a similar advantage over...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(01)00242-0
更新日期：2001-05-01 00:00:00
abstract：:We have previously reported on a microassay based on human kininogens as cysteine proteinase inhibitors (CPIs), which could quantify partially purified kininogens from different biological fluids (J Pharmacol Meth 26, 113-124, 1991). In the present study we describe a functional method that, when assuming a 1:1 stoich...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(96)00073-4
更新日期：1996-05-01 00:00:00
abstract：:The concentration of tissue plasminogen activator (t-PA), plasminogen activator inhibitor 1 (PAI-1) and the complex of t-PA and PAI-1 (t-PA-PAI-1 complex) were measured using an enzyme immunoassay, where the first antibody was monoclonal antibody against PAI-1 and the second one was polyclonal anti-t-PA Fab' antibody....
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90392-7
更新日期：1989-09-01 00:00:00
