Abstract：
BACKGROUND:Systemic thrombolysis rapidly improves right ventricular (RV) dysfunction in patients with acute pulmonary embolism (PE) but is associated with major bleeding complications in up to 20%. The efficacy of low-dose, catheter-directed ultrasound-accelerated thrombolysis (USAT) on the reversal of RV dysfunction is unknown. MATERIALS AND METHODS:We performed a retrospective analysis of 24 PE patients (60 ± 16 years) at intermediate (n = 19) or high risk (n = 5) from the East Jefferson General Hospital who were treated with USAT (mean rt-PA dose 33.5 ± 15.5mg over 19.7 hours) and received multiplanar contrast-enhanced chest computed tomography (CT) scans at baseline and after USAT at 38 ± 14 hours. All CT measurements were performed by an independent core laboratory. RESULTS:The right-to-left ventricular dimension ratio (RV/LV ratio) from reconstructed CT four-chamber views at baseline of 1.33 ± 0.24 was significantly reduced to 1.00 ± 0.13 at follow-up by repeated-measures analysis of variance (p < 0.001). The CT-angiographic pulmonary clot burden as assessed by the modified Miller score was significantly reduced from 17.8 ± 5.3 to 8.7 ± 5.1 (p < 0.001). All patients were discharged alive, and there were no systemic bleeding complications but four major access site bleeding complications requiring transfusion and one suspected recurrent massive PE event. CONCLUSIONS:In patients with intermediate and high risk PE, low-dose USAT rapidly reverses right ventricular dilatation and pulmonary clot burden.
journal_name
Thromb Resjournal_title
Thrombosis researchauthors
Engelhardt TC,Taylor AJ,Simprini LA,Kucher Ndoi
10.1016/j.thromres.2011.05.014subject
Has Abstractpub_date
2011-08-01 00:00:00pages
149-54issue
2eissn
0049-3848issn
1879-2472pii
S0049-3848(11)00248-9journal_volume
128pub_type
杂志文章abstract：INTRODUCTION:Tissue Factor Pathway Inhibitor-2 (TFPI-2) is a Kunitz-type serine proteinase inhibitor whose expression is up-regulated by VEGF in microvascular and umbilical vein endothelial cells (EC). Despite this, TFPI-2 has been suggested as anti-angiogenic molecule, due to its ability to inhibit the migration/proli...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/S0049-3848(16)30177-3
更新日期：2016-04-01 00:00:00
abstract：:Cell lysates of the human monoblastic leukemia cell line, THP-1, have procoagulant activity (PCA) that is Ca++-dependent and not demonstrable in either Factor VII-, or Factor X-deficient plasma. The PCA of THP-1 cells was enhanced by human recombinant tumor necrosis factor-alpha (TNF-alpha) up to five fold. There was ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90162-x
更新日期：1989-10-15 00:00:00
abstract：:The enzymatic and fibrinolytic properties of glycosylated and nonglycosylated recombinant human pro-urokinase (pro-UK) produced in yeast Pichia pastoris were characterized and compared with those of Escherichia coli and mammalian cell-derived pro-UK. Among the five different forms of pro-UK, the yeast glycosylated pro...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(00)00349-2
更新日期：2000-12-01 00:00:00
abstract：:Four novel polymorphisms were identified in the fibrinogen gene cluster. Three of them were localized in the promoter regions of the Aalpha-chain (alpha -128 C/G, alpha -58 G/A) or the gamma-chain (gamma -239 A/G) gene, while the remaining one was identified in intron 9 of the gamma-chain gene (gamma 7792 C/T). Genoty...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(01)00329-2
更新日期：2001-08-15 00:00:00
abstract：:Bleeding events are a common adverse effect in oral anticoagulation that frequently depend on the duration and intensity of treatment. Major bleeding events, particularly intracerebral hemorrhages, are a serious complication in cases that require the rapid reversal of anticoagulation. Urgent correction of the coagulat...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/s0049-3848(99)00085-7
更新日期：1999-08-15 00:00:00
abstract：:We investigated on how to effectively administer orally factor VIII preparation to two patients with von Willebrand's disease as volunteers, and the following results were obtained: Bleeding time and aPTT were shortened, but no change of PT was observed. Factor VIII:C increased slightly, but no significant increase wa...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90211-7
更新日期：1985-06-15 00:00:00
abstract：:Activation of human plasminogen by human tissue-type plasminogen activator (t-PA) is accelerated in the presence of cyanogen bromide digests of human fibrin(ogen). In the present study a possible species specificity of this phenomenon was investigated. All combinations of the plasminogens, fibrin monomers and cyanogen...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90209-9
更新日期：1985-06-15 00:00:00
abstract：:D-dimer of human fibrin was used as antigen to obtain monoclonal antibodies (mAbs). We have obtained 16 hybridomas producing mAbs of different specificity. Only two of these mAbs inhibited fibrin polymerization. They are of the IgG-class. One mAb (II-4d) inhibited fibrin polymerization to 100% and another (II-3b) to 6...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2004.03.005
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：:Heparin is known to exert its antithrombotic effects by accelerating the effect of antithrombin (AT) and by mobilizing tissue factor pathway inhibitor (TFPI) into the circulation from vascular endothelium. Heparin treatment has been reported to decrease FVIIa activity by 40%; this was suggested as a new antithrombotic...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(00)00343-1
更新日期：2000-12-01 00:00:00
abstract：:18F-Fluorodesoxyglucose Positron-Emission-Tomography combined with Computed-Tomography (FDG PET/CT) might be an attractive tool for cancer screening in patients with venous thromboembolism (VTE), allowing non-invasive whole-body imaging. One of the frequent criticisms to the use of FDG PET/CT for screening is the pote...
journal_title：Thrombosis research
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.thromres.2017.04.022
更新日期：2017-07-01 00:00:00
abstract：:The inability of the heparin-antithrombin complex to inhibit fibrin-bound thrombin limits the utility of heparin for treatment of arterial thrombosis. In contrast with heparin, melagatran, a direct thrombin inhibitor (DTI), is equally effective at inhibiting fluid-phase thrombin and thrombin bound to fibrin. This refl...
journal_title：Thrombosis research
pub_type： 杂志文章,评审
doi：10.1016/s0049-3848(03)00251-2
更新日期：2003-07-15 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：INTRODUCTION:Z4A5 is a novel peptide that inhibits platelet aggregation and formation of platelet thrombi, but the mechanism of its anti-platelet effects remains unknown. This study explores the anti-platelet effect and mechanism of Z4A5. METHODS:We investigated the anti-platelet activity of Z4A5 on platelet aggregati...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2012.02.047
更新日期：2012-05-01 00:00:00
abstract：:We have studied the synthesis and subcellular distribution of the glycosylated membrane protein tissue factor (TF) in human blood monocytes and the inducible monocyte like cell line, HL-60. Following induction with endotoxin or the phorbol ester, TPA, tissue factor specific activity was measured in intact cells, sonic...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(87)90405-1
更新日期：1987-11-15 00:00:00
abstract：:Plasma homocysteine levels result from the effect of genetic and environmental factors. We investigated the hypothesis of familial association between folates, methylenetetrahydrofolate reductase (MTHFR) and hyperhomocysteinemia with acute events, studying three families through pedigree analysis and log-linear graphi...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(01)00408-x
更新日期：2002-01-15 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：: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：INTRODUCTION:Recombinant members of the vitamin K-dependent protein family (factors IX and VII and protein C) have become important pharmaceuticals in treatment of bleeding disorders and sepsis. However, because the in vivo gamma-carboxylation system in stable cell lines used for transfection has a limited capacity of ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2007.11.002
更新日期：2008-01-01 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：:Radioactivity from I125-labeled human platelets was measured to estimate the extent of binding of platelet surface proteins to immobilized thrombin. 1-3% of the radioactivity was bound with 10-20% of this amount apparently irreversibly bound to the thrombin matrix. Site-specific chemical modification of thrombin with ...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(92)90271-b
更新日期：1992-08-15 00:00:00
abstract：:The levels of protein C (PC) and other coagulation factors were monitored during endotoxin-induced disseminated intravascular coagulation (DIC) in the dog. Initial evaluation of the effectiveness of intradermal administration of bolus endotoxin quantities into the dog, demonstrated induction of DIC in the canine, with...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(89)90062-5
更新日期：1989-08-01 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：:Adenosine is an endogenous antiaggregating substance that influences the platelet responses through specific A-type receptors that activate adenylate cyclase increasing the levels of 3',5'-cyclic adenosine monophosphate (cAMP). In this study, we investigated whether adenosine can also influence the levels of 3',5'-cyc...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(01)00412-1
更新日期：2002-01-01 00:00:00
abstract：:The turnover of tissue plasminogen activator (tPA) was studied in rabbits using a double-label technique which allowed the comparison of various tPA derivatives with a standard tPA in individual animals. Purified recombinant tPA (Alteplase) was labelled with 125I and used as a standard for each experiment. Various tPA...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(88)90278-2
更新日期：1988-07-01 00:00:00
abstract：INTRODUCTION:Coagulation factor XIII (FXIII) is a fibrin-stabilizing factor, which contributes to hemostasis, wound healing, and maintenance of pregnancy. Accordingly, patients with congenital FXIII deficiency manifest a life-long bleeding tendency, abnormal wound healing and recurrent miscarriage. In order to understa...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/j.thromres.2012.05.003
更新日期：2012-09-01 00:00:00
abstract：:Hemostasis, the system of generation and degradation of thrombi, consists of coagulation and fibrinolysis. Whereas global assays to study coagulation have existed for many years, there has been no simple, rapid, and economic routine test for the plasmatic fibrinolysis parameters plasminogen activator inhibitor-1, alph...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/s0049-3848(99)00165-6
更新日期：2000-02-15 00:00:00
abstract：:From kinetic analysis on the initial stage of the fibrinogen-fibrin conversion catalyzed by thrombin, inhibition constants, Kip, of heparin and heparin analogues were obtained by the turbidimetrical method. The inhibitory effect per unit amount in weight of heparin and heparin analogues increased generally with decrea...
journal_title：Thrombosis research
pub_type： 杂志文章
doi：10.1016/0049-3848(85)90235-x
更新日期：1985-09-01 00:00:00
abstract：BACKGROUND:In the rat liver, growth hormone (GH) affects the synthesis of vitamin-K-dependent factors, including Protein C (prot.C) and protein S (prot.S), two natural anticoagulants that prevent hypercoagulable states. Adults with GH deficiency (GHD) are at risk of thrombotic events. High circulating levels of PAI-1 a...
journal_title：Thrombosis research
pub_type： 杂志文章,多中心研究,随机对照试验
doi：10.1016/j.thromres.2010.08.028
更新日期：2010-12-01 00:00:00
abstract：BACKGROUND:Treatment of deep-vein thrombosis (DVT) with a once-daily regimen of enoxaparin, rather than a continuous infusion of unfractionated heparin (UFH) is more convenient and allows for home care in some patients. This study was designed to compare the efficacy and safety of these two regimens for the treatment o...
journal_title：Thrombosis research
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1016/j.thromres.2004.05.009
更新日期：2004-01-01 00:00:00
