Abstract：
INTRODUCTION:Anedoctal reports suggest that some thrombotic primary antiphospholipid antibody syndrome (PAPS) patients on oral anticoagulation require higher than average doses to achieve given targets international normalized ratios (INR). MATERIALS AND METHODS:To test the hypothesis of relative warfarin resistance in thrombotic PAPS and the effect of baseline IgG anticardiolipin antibodies, the cytochrome CYP2C9 and the vitamin K epoxide reductase (VKORC1) haplotypes we compared weekly warfarin consumption of 40 TPAPS (mean age 44 ± 16years) with that of 65 thrombotic patients with inherited thrombophilia (IT) (mean age 52 ± 18) at similar target INR 2.0-3.0 followed up between January-1994 and January 2003. To investigate an involvement of the epoxidation pathway in this difference and to assess enhanced residual fibrin turnover decarboxylated prothrombin (PIVKA-II) and D-dimers (DD) were cross-sectionally investigated in the same patients between March and May 2008. RESULTS:CEX7 and VKORC1 polymorphisms explained 45.1% of the variability in warfarin consumption, whose age-adjusted mean weekly consumption was greater in PAPS than IT (27.62 vs 21.24 mg, p = 0.03). In PAPS baseline IgG aCL and VKORC1 predicted weekly warfarin consumption (p = 0.028 and p = 0.024). IgG β(2)GPI and warfarin dose independently predicted plasma PIVKA-II (p = 0.01 and p = 0.02). Age and sex adjusted DD was greater in PAPS than IT (132 ± 34 vs 83 ± 37 mg/dl, p = 0.03). CONCLUSIONS:Thrombotic PAPS exhibit a degree of warfarin resistance partly accounted by antiphospholipid antibodies and are in a state of enhanced fibrin turnover despite oral anticoagulation that might have implications for re-thrombosis and atherosclerosis.
journal_name
Thromb Resjournal_title
Thrombosis researchauthors
Ames PR,Margaglione M,Ciampa A,Colaizzo D,Ferrara F,Iannaccone L,Vincenzobrancacciodoi
10.1016/j.thromres.2011.01.014subject
Has Abstractpub_date
2011-06-01 00:00:00pages
595-9issue
6eissn
0049-3848issn
1879-2472pii
S0049-3848(11)00064-8journal_volume
127pub_type
杂志文章abstract：BACKGROUND:Thrombin is the most potent platelet activator, and achieves rapid platelet activation even in the presence of antiplatelet therapy. Since activated platelets respond stronger to additional stimuli, the extent of endogenous thrombin generation may in part be responsible for the reported response variability ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2013.04.008
更新日期：2013-07-01 00:00:00
abstract：:Antithrombotic activity of ten pyrazolo pyrimidine derivatives was tested in mouse pulmonary thromboembolism model. Out of these compounds, Thiopurinol (C5H4N4S) showed dose-dependent protection in mice from death/paralysis induced by collagen + adrenaline. It also caused dose-dependent inhibition of thrombus formatio...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90138-2
更新日期：1989-06-15 00:00:00
abstract：:We have investigated the role of platelet activating factor (PAF) in the pathogenesis of a murine model of traumatic shock using WEB 2086, a specific antagonist of PAF. WEB 2086 (0.5 mg/kg) significantly reversed the decrease in mean arterial blood pressure (MABP) induced by PAF (0.3 micrograms/kg) in anesthetized rat...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90107-2
更新日期：1989-02-01 00:00:00
abstract：:Dextran sulfate and polybrene were immobilized on polypropylene tubes with plastic adhesive. Serum albumin was also immobilized on the tube by heat-denaturation. In the those tubes thrombin was protected from inactivation in the presence of 0.1 M NaCl remarkably. Cholesterol coated on the tube also protected the enzym...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(88)90277-0
更新日期：1988-07-01 00:00:00
abstract：:A simple and discriminating assay for the determination of the fast-acting plasminogen activator inhibitor (PAI) activity in human plasma is described. The method is based on the inhibition of purified tissue plasminogen activator (tPA) by plasma diluted with a PAI-depleted plasma and the subsequent measurement of res...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90250-8
更新日期：1989-11-01 00:00:00
abstract：:Two isozymes of a native form of human plasminogen (plg), Glu-plg I and II, were isolated. Glu-plg I or II was activated by urokinase (UK) or streptokinase (SK) in the presence of fibrinogen or fibrin. The activation of Glu-plg I was enhanced more than that of Glu-plg II in the presence of fibrin. Fibrin caused better...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90224-5
更新日期：1985-08-01 00:00:00
abstract：:Prothrombin time is a standard screening test to monitor patients treated with oral anticoagulants. We hypothesize that INR measurements will not vary a lot within a given day in a given patient. The present study was thus conducted to compare the change of the international normalized ratio (INR) of prothrombin time ...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章
doi：10.1016/s0049-3848(02)00339-0
更新日期：2002-09-01 00:00:00
abstract：:We characterized the antithrombotic, haemorrhagic, and ex vivo anticoagulant effects of a recently identified depolymerized holothurian glycosaminoglycan (DHG), and compared these effects with those of unfractionated heparin (UFH), low molecular weight heparin (LMWH), and dermatan sulfate (DS). In thrombin-induced ven...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(96)00166-1
更新日期：1996-10-15 00:00:00
abstract：:Forty women undergoing surgery under general anaesthesia for hyperplasia mammae were randomized to treatment with low dose heparin (5000 IU twice daily) or not. Preoperatively, and repeated on the 3. postoperative day, assays of euglobulin clot lysis time (ELT) after venous stasis, tissue plasminogen activator (t-PA) ...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/0049-3848(87)90318-5
更新日期：1987-03-01 00:00:00
abstract：:Retrievable filters are a new generation of inferior vena cava (IVC) filters and represent an attractive option because they may be either left in place permanently or safely retrieved after a quite long period when they become unnecessary. In this review the currently available literature regarding retrievable IVC fi...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/j.thromres.2007.06.017
更新日期：2008-01-01 00:00:00
abstract：:Venous thromboembolism (VTE) is a common complication in patients with malignant disease. In addition to well-established acquired risk factors for VTE, several genetic risk factors, mainly related to the haemostatic system, are known to influence thrombotic risk. However, the contribution of gene abnormalities to thr...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(03)00179-8
更新日期：2003-02-15 00:00:00
abstract：:A series of 8 analogues of platelet-activating factor (PAF) in which both the acetyl group and the polar head are changed, were tested for biological activities on human and rabbit platelets in plasma. Two of these compounds, 1-O-hexadecyl-2-O-ethyl-rac-glycero-3-phosphoric acid-5'-trimethylammoniumpentyl ester and 1-...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(88)90244-7
更新日期：1988-02-15 00:00:00
abstract：:It has previously been observed that aspirin diminishes the increase in blood fibrinolytic activity during arm venous occlusion. We studied the duration of this inhibitory effect on fibrinolytic response during 20 minutes arm venous occlusion and its effect on fibrinolytic response during acute physical activity (stan...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(87)90282-9
更新日期：1987-04-15 00:00:00
abstract：:Recent studies have demonstrated that neutrophilic granulocytes and platelets have the capability to interact with each other. Either type of cell may release soluble factors, which either activate the other or increase its response to separate stimulating agents. Direct contact between the two types of cell generally...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/s0049-3848(10)80002-7
更新日期：1994-01-01 00:00:00
abstract：INTRODUCTION:To validate the diagnostic criteria for disseminated intravascular coagulation (DIC) established by the Japanese Association for Acute Medicine (JAAM) at an early stage of trauma and to evaluate the hypothesis that the JAAM criteria can diagnose DIC with a higher sensitivity than the International Society ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2009.06.036
更新日期：2009-12-01 00:00:00
abstract：PURPOSE:The right ventricular outflow tract (RVOT) velocity time integral (VTI), an echocardiographic measure of stroke distance, correlates with cardiac index. We sought to determine the prognostic significance of low RVOT VTI on clinical outcomes among patients with acute pulmonary embolism (PE). MATERIALS AND METHO...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2020.06.049
更新日期：2020-11-01 00:00:00
abstract：INTRODUCTION:Plasma viscosity (PV) constitutes an independent important predictor of initial and recurrent cardiac events and mortality. It has been suggested that there is a geographical variation in PV values related to coronary event rates. Little information exists regarding PV in Spain. Therefore, our objective wa...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2006.11.009
更新日期：2007-01-01 00:00:00
abstract：:The influence of transmembrane Na+ and Ca2+ gradients on cytosolic pH (pHi) and free Ca2+ concentration ([Ca2+]i) have been examined in unstimulated human platelets with the aid of BCECF and Fura-2 fluorescent dyes. The removal of external Na+ (Na+o) acidified the cytosol in a pHo-dependent manner which was insensitiv...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(92)90233-z
更新日期：1992-01-15 00:00:00
abstract：:Bovine hide collagen dispersions were swollen in the pH range 1.6-7.0, treated with glutaraldehyde, and dialyzed to neutral pH. The intensity with which these collagens reacted with human platelets in plasma was studied by aggregometry and scanning electron microscopy. Collagen swollen at a pH below 4.25 +/- 0.30 and ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90463-5
更新日期：1989-07-01 00:00:00
abstract：INTRODUCTION:In contrast to unfractionated heparin (UFH), use of low-molecular weight heparin (LMWH) during pregnancy has not been reported to be associated with a significant decrease in bone mineral density (BMD). The aim of this study was to investigate whether long-term use of LMWH during pregnancy is associated wi...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2016.05.016
更新日期：2016-07-01 00:00:00
abstract：INTRODUCTION:Changes in platelet count and function contribute to thrombo-hemorrhagic episodes in chronic myeloproliferative syndromes (MPS). We used flow cytometry to study platelet-leukocyte conjugates and markers of platelet activation in patients with MPS. METHODS:Whole blood from patients with chronic myelogenous...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(02)00354-7
更新日期：2002-11-01 00:00:00
abstract：BACKGROUND AND PURPOSE:Miniplasmin was a des-kringle variant of plasminogen with potential pharmacological application. We investigated the thrombolytic effect of miniplasmin in a canine model of femoral artery thrombosis. METHODS:In anesthetized dogs, a stable occlusive thrombus was formed by mechanical and electroly...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2008.01.007
更新日期：2008-01-01 00:00:00
abstract：:The treatment of prostatic cancer with oestrogen has been reported to be associated with cardiovascular side effects. Twenty patients with recently diagnosed prostatic cancer were randomly allocated to oestrogen therapy or orchidectomy. As compared to healthy age matched controls the patients with prostatic cancer had...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1016/0049-3848(86)90024-1
更新日期：1986-12-15 00:00:00
abstract：:An in vitro model of platelet adhesion, the annular perfusion chamber, was utilized to test the effects of Interleukin 1 on vascular thrombogenicity for platelets. De-endothelialized, everted human umbilical arteries were placed in cell culture media with or without Interleukin 1. The arteries were later perfused with...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90235-1
更新日期：1989-11-15 00:00:00
abstract：OBJECTIVES:Elevated plasma homocysteine has been implicated as a risk factor for hypertension. C677T polymorphism in methylenetetrahydrofolate reductase gene (MTHFR) is a major determinant of hyperhomocysteinemia, which results in endothelial dysfunction. Angiotensin-converting enzyme (ACE) inhibitors appear to remedy ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2004.04.005
更新日期：2004-01-01 00:00:00
abstract：BACKGROUND:The Clauss fibrinogen method and thrombin clotting time (TCT) are still routinely used in patients with cirrhosis to define fibrinogen concentration and clotting potential. The thromboelastometric functional fibrinogen FIBTEM assay evaluates the strength of fibrin-based clots in whole blood, providing inform...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2015.04.003
更新日期：2015-06-01 00:00:00
abstract：:The present investigation has used an aggregation-disaggregation-reaggregation model to determine if exposure to potent aggregating agents causing a refractory state in deaggregated platelets results in down-regulation and clearance of GPIb/IX, the receptor for von willebrand factor. Thrombin, the thrombin receptor ac...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(96)00185-5
更新日期：1996-11-15 00:00:00
abstract：INTRODUCTION:Inherited thrombophilia has been associated with unexplained recurrent pregnancy loss (RPL) and stillbirth. This thrombotic tendency can manifest as thrombotic lesions in the placenta, and may lead to abortion and stillbirth. The aim of our case-control study was to investigate the prevalence of FVL and FI...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2005.06.005
更新日期：2006-01-01 00:00:00
abstract：:Human fibrinogen exposed to 46.5 degrees C was subjected to gel permeation chromatography. The protein eluted in two distinct peaks. The first peak appeared in the void volume containing soluble fibrinogen aggregates, while the other peak represented monomeric fibrinogen. In contrast to the monomeric peak material, th...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(96)00063-1
更新日期：1996-04-15 00:00:00
abstract：INTRODUCTION:Apoptotic cell death is a highly regulated genetic program, which has been observed in mature megakaryocytes fragmenting into platelets. The clock gene Per2, a key component of core clock oscillator, was involved in affecting both cell cycle control and apoptosis. Thus, loss of Per2 function may be conside...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2010.11.025
更新日期：2011-02-01 00:00:00
