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Journal of Thrombosis and Thrombolysis

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https://www.readbyqxmd.com/read/28730407/venous-thromboembolism-thrombosis-inflammation-and-immunothrombosis-for-clinicians
#1
REVIEW
Eduardo Vazquez-Garza, Carlos Jerjes-Sanchez, Aline Navarrete, Jorge Joya-Harrison, David Rodriguez
Venous thromboembolism (VTE) is a worldwide disease related with mortality, cardiovascular disability, impaired quality of life and, cause major long-term complications. Clinicians related to the acute and long-term patients care must be involved in the molecular mechanisms of thrombosis. The vessel wall and its inner lining of the endothelium are critical to the maintenance of a patent vasculature. After endothelial disruption, collagen (first line of endothelial defense) and intravascular tissue factor (second line of endothelial defense) are exposed to blood flow, starting the formation of a thrombus...
July 20, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28730406/benefits-and-risks-of-p2y12-inhibitor-preloading-in-patients-with-acute-coronary-syndrome-and-stable-angina
#2
REVIEW
Taylor C Bazemore, Michael G Nanna, Sunil V Rao
Treatment with P2Y12 inhibitors is an integral part of the standard of care for patients undergoing percutaneous coronary intervention. However, the most appropriate timing for P2Y12 inhibitor administration remains unclear, and the value of "preloading" with P2Y12 inhibitors prior to cardiac catheterization is controversial. While pre-catheterization treatment with P2Y12 inhibitors is performed with the goal of decreasing adverse cardiovascular events, this potential benefit must be weighed against the increased risk of bleeding complications and operative delay if coronary artery bypass graft surgery is indicated...
July 20, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28717966/association-between-aspirin-use-and-deep-venous-thrombosis-in-mechanically-ventilated-icu-patients
#3
Ena Gupta, Furqan S Siddiqi, Ryan Kunjal, Muhammad Faisal, Farah Al-Saffar, Abubakr A Bajwa, Lisa M Jones, Vandana Seeram, James D Cury, Adil Shujaat
Deep venous thrombosis (DVT) is common in intensive care unit (ICU) patients. It is often silent and may be complicated by pulmonary embolism and death. Thromboprophylaxis with heparin does not always prevent venous thromboembolism (VTE). Aspirin (ASA) reduces the risk of VTE in surgical and high-risk medical patients but it is unknown if ASA may prevent DVT in mechanically ventilated ICU patients. We performed a retrospective chart review of critically ill patients who received mechanical ventilation for >72 h and underwent venous ultrasonography for suspected DVT between Jan 2012 and Dec 2013...
July 17, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28534102/circulating-microaggregates-during-cardiac-surgery-precedes-postoperative-stroke
#4
Zühre Uz, Dan M J Milstein, Can Ince, Bastian A J M de Mol
Postoperative stroke and encephalopathy are potentially serious complications associated with coronary artery bypass grafting. In this case report a 78-year-old male patient receiving routine elective cardiac surgery presented with microaggregations in the sublingual microcirculation while on cardiopulmonary bypass that was undetected by routine intraoperative anticoagulation assessment. Microaggregates identified using video microscopy on his sublingual microcirculation during the procedure preceded a stroke postoperatively...
May 22, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28497223/successful-endovascular-treatment-of-popliteal-artery-entrapment-syndrome-a-case-report-with-3-years-follow-up
#5
Xiaodong Wang, Hongkun Zhang, Jin Yan, Ziying Lu
Popliteal artery entrapment syndrome (PAES) is a rare cause of lower extremity arterial ischemia, especially in elder patients. At present, the role of the endovascular technique for PAES is still mainly auxiliary, there is no successful case treated successfully by endovascular treatment without open surgery, and also the long-term follow-up after endovascular treatment are lacking. We successfully treated a 51-year-old man with pale, cold right foot by endovascular therapy only, including percutaneous transluminal angioplasty and catheter directed thrombolysis...
May 11, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28488236/dabigatran-plasma-levels-aptt-and-thromboelastography-in-patients-with-af-implications-for-allowing-early-non-elective-surgical-procedures
#6
Athanasios Pipilis, Stamatis Makrygiannis, Georgios Anagnostou, Sotirios Kaliampakos, Georgios Tsakonas, Nikolaos Sourlas, Panagiotis Mallios, Theodora Kostelidou
According to current recommendations, patients on dabigatran should stop the drug 24-96 h before scheduled surgery. This may seem too long for non-elective cases. The aim of our study was to assess the number of patients on dabigatran who could theoretically undergo surgery 12 h post last drug dosing. We measured dabigatran plasma trough concentration by Hemoclot assay in 75 consecutive patients receiving dabigatran. Coagulation was assessed by aPTT and thromboelastography (TEG). Plasma levels ≤30 ng/ml were considered low...
May 9, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28702769/short-and-long-term-outcomes-after-combined-intravenous-thrombolysis-and-mechanical-thrombectomy-versus-direct-mechanical-thrombectomy-a-prospective-single-center-study
#7
Giovanni Merlino, Massimo Sponza, Benedetto Petralia, Alessandro Vit, Vladimir Gavrilovic, Andrea Pellegrin, Michele Rana, Iacopo Cancelli, Sara Naliato, Simone Lorenzut, Roberto Marinig, Ferdinando Calzolari, Roberto Eleopra
Recent clinical trials demonstrated that mechanical thrombectomy (MT) using second-generation endovascular devices has beneficial effects in acute ischemic stroke (AIS) due to large vessel occlusion (LVO). However, it remains controversial if intravenous thrombolysis (IVT) prior to MT is superior compared to direct mechanical thrombectomy (DMT). The aims of this study were to compare short and long-term outcomes between IVT + MT and DMT patients. We prospectively recruited AIS patients with LVO in the anterior or posterior circulation eligible for MT with and without prior IVT...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28695310/central-aortic-pulse-pressure-thrombogenicity-and-cardiovascular-risk
#8
Gailing Chen, Kevin P Bliden, Rahul Chaudhary, Fang Liu, Himabindu Kaza, Eliano P Navarese, Udaya S Tantry, Paul A Gurbel
High central aortic pulse pressure (CPP) and thrombin-induced platelet-fibrin clot strength (TIP-FCS) have been associated with ischemic outcomes in patients with coronary artery disease in separate studies. But, the ischemic risk associated with these factors has never been analyzed in a single study and their interrelation is unknown. The primary aim of the study was to establish cut points for CPP and TIP-FCS measured at the time of catheterization associated with long term major adverse cardiovascular events...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28677023/erratum-to-comparison-of-body-mass-index-waist-circumference-and-waist-height-ratio-in-predicting-functional-outcome-following-ischemic-stroke
#9
Kyusik Kang, Wong-Woo Lee, Jung-Ju Lee, Jong-Moo Park, Ohyun Kwon, Byung Kun Kim
No abstract text is available yet for this article.
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28677022/performance-of-4t-score-and-heparin-platelet-factor-4-antibody-in-the-diagnosis-of-heparin-induced-thrombocytopenia-hit-in-cancer
#10
Myra Wong, Thein Hlaing Oo, Wei Qiao, Naveen Garg, Cristhiam M Rojas-Hernandez
Cancer patients have characteristics which significantly influence the 4T score and heparin-platelet factor 4 antibody (H-PF4 ab). Our aim was to determine among cancer patients the correlation of the 4T score and H-PF4 ab with the serotonin release assay (SRA). We performed a retrospective analysis of records of cancer patients in whom H-PF4 polyclonal (IgG, IgM and IgA) enzyme-linked immunosorbent assay (ELISA) and SRA were evaluated. Cases were defined as heparin induced thrombocytopenia (HIT) when SRA confirmed the diagnosis...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28667425/effectiveness-of-catheter-directed-thrombolysis-and-stent-implantation-on-iliofemoral-vein-thrombosis-caused-by-iliac-vein-compression
#11
Zhi-Bing Ming, Wen-Dong Li, Rui-Fan Yuan, Xiao-Qiang Li, Wen-Bin Ding
The purpose of this study was to objectively assess the morbidity of post-thrombotic syndrome (PTS) in iliofemoral vein thrombosis treated with catheter-directed thrombolysis (CDT) and stenting under the protection of inferior vena cava (IVC) filter. All patients with an unprovoked episode of iliofemoral vein thrombosis combined with iliac vein compression syndrome (IVCS) during January 2011 and January 2015 were enrolled. Clinical records of all patients were evaluated. Firstly, cox regression was performed to find out the factors impacted the incidence of PTS...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28647870/prothrombotic-genetic-risk-factors-in-patients-with-very-early-st-segment-elevation-myocardial-infarction
#12
Loukianos S Rallidis, Argyri Gialeraki, Georgios Tsirebolos, Stylianos Tsalavoutas, Maria Rallidi, Efstathios Iliodromitis
The contribution of prothrombotic genetic risk factors in the pathogenesis of premature acute myocardial infarction (MI) is controversial. We examined the prevalence of prothrombotic polymorphisms (G1691A of factor V gene [FV Leiden] and G20210A of prothrombin [FII] gene), deficiencies of natural anticoagulants (protein C, protein S and antithrombin III) and antiphospholipid syndrome (APS) in patients with early ST-segment elevation MI (STEMI). We recruited 255 consecutive patients who had survived a STEMI ≤ 35 years of age (224 men)...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28646403/routine-ct-angiography-to-detect-severe-coronary-artery-disease-prior-to-transcatheter-aortic-valve-replacement
#13
S Chava, G Gentchos, A Abernethy, B Leavitt, E Terrien, H L Dauerman
Patients undergoing TAVR undergo routine CT angiography (CTA) to assess aorto-iliac pathology and annular dimensions. While coronary CTA may exclude severe CAD in younger patients, its efficacy in defining CAD severity prior to TAVR may be limited. We retrospectively studied 50 consecutive patients undergoing both invasive coronary angiography (ICA) and routine pre-TAVR CTA. Severe CAD was defined as ≥50% stenosis by quantitative coronary angiography and compared to a blinded CTA visual estimation of ≥50% stenosis...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28643004/effectiveness-and-safety-of-apixaban-therapy-in-daily-care-patients-with-atrial-fibrillation-results-from-the-dresden-noac-registry
#14
Sindy Helmert, Sandra Marten, Heike Mizera, Antje Reitter, Kurtulus Sahin, Luise Tittl, Jan Beyer-Westendorf
The effectiveness and safety of apixaban for stroke prevention in atrial fibrillation (SPAF) demonstrated in ARISTOTLE needs to be confirmed in daily care. To evaluate effectiveness and safety of apixaban therapy in SPAF patients in daily care, we used data from an ongoing, prospective, non-interventional registry of more than 3000 patients on novel oral anticoagulants in daily care. Between 1 December 2012 and 31 August 2015, 514 patients receiving apixaban were enrolled. During a mean follow-up of 803.5 ± 228...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28620756/preliminary-data-on-utility-of-subcutaneous-unfractionated-heparin-in-patients-with-deep-cerebral-venous-thrombosis
#15
Girish Baburao Kulkarni, Abbas Masoom Mirza, Subasree Ramakrishnan, Veerendrakumar Mustare
Subcutaneous unfractionated heparin (SCUFH) has been proved effective in puerperal cerebral venous thrombosis (CVT), but its efficacy in the more serious form of the disease such as deep CVT patients (DCVT) unreported. We describe the outcomes of 37 (isolated:combined: 11:26) patients of DCVT diagnosed by MRI, treated with SCUFH in a tertiary care stroke unit. It was a prospective observational cohort study using 5000 U of SCUFH every 6 hourly for 10 days with oral Acenocoumarol started on day 7, with monitoring...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28612112/sex-disparities-in-hospitalization-and-mortality-rates-for-venous-thromboembolism
#16
Sola Mansour, Ghazi Alotaibi, Cynthia Wu, Khalid Alsaleh, Michael Sean McMurtry
Venous thromboembolism (VTE) is a major health problem for both men and women. Whether sex disparities exist for outcomes after acute VTE is unknown. We sought to measure sex-specific rates of hospitalization for and mortality from acute VTE. We used a population-based administrative dataset from Alberta, Canada, covering the years 2002 to 2012. We used Poisson regression to measure the incidence rate ratio for hospitalization and Cox regression to test for sex disparities in short-term all-cause mortality after adjusting for potential confounders...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28608165/platelet-related-biomarkers-and-their-response-to-inhibition-with-aspirin-and-p2y12-receptor-antagonists-in-patients-with-acute-coronary-syndrome
#17
Angela Lowenstern, Robert F Storey, Megan Neely, Jie-Lena Sun, Dominick J Angiolillo, Christopher P Cannon, Anders Himmelmann, Kurt Huber, Stefan K James, Hugo A Katus, Joao Morais, Agneta Siegbahn, Phillippe Gabriel Steg, Lars Wallentin, Richard C Becker
The PLATelet inhibition and patient Outcomes (PLATO) trial showed that treatment with ticagrelor reduced the rate of death due to vascular causes, myocardial infarction and stroke when compared to clopidogrel in patients with ST-elevation or non-ST-elevation acute coronary syndrome (ACS). While the comparative benefit of ticagrelor over clopidogrel increased over time, event rates accrued in both groups during the study period. The purpose of our biomarker-based exploratory analysis was to determine whether long-term platelet inhibition may be associated with platelet adaptation...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28600623/fibrin-specific-and-effective-clot-lysis-requires-both-plasminogen-activators-and-for-them-to-be-in-a-sequential-rather-than-simultaneous-combination
#18
R Pannell, S Li, V Gurewich
Thrombolysis with tissue plasminogen activator (tPA) has been a disappointment and has now been replaced by an endovascular procedure whenever possible. Nevertheless, thrombolysis remains the only means by which circulation in a thrombosed artery can be restored rapidly. In contrast to tPA monotherapy, endogenous fibrinolysis uses both tPA and urokinase plasminogen activator (uPA), whose native form is a proenzyme, prouPA. This combination is remarkably effective as evidenced by the fibrin degradation product, D-dimer, which is invariably present in plasma...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28597206/effect-of-strut-distribution-on-neointimal-coverage-of-everolimus-eluting-bioresorbable-scaffolds-an-optical-coherence-tomography-study
#19
Takao Sato, John Jose, Abdelhakim Allai, Mohamed El-Mawardy, Ralph Tölg, Gert Richardt, Mohamed Abdel-Wahab
The thick struts of bioresorbable vascular scaffolds (BRS) are associated with changes in wall shear stress and contribute to neointimal proliferation. We aimed to evaluate the relationship between the BRS strut distribution and the neointimal proliferation. 50 lesions underwent optical coherence tomography, 12 months after BRS implantation. Scaffold area and neointimal thickness were evaluated in each cross-sectional area (CSA). Scaffold eccentricity was defined as follows: (maximum diameter - minimum diameter) × 100/maximum diameter...
August 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28589302/implementation-of-an-institutional-protocol-to-improve-inferior-vena-cava-utilization-and-outcomes
#20
Amihai Rottenstreich, Ariela Arad, Naama Lev Cohain, Allan I Bloom, David Varon, Alexander Klimov, Batia Roth, Yosef Kalish
To evaluate the impact of an institutional protocol on patterns of use and outcomes of inferior vena cava filters (IVCF). Following a multidisciplinary effort, an institutional protocol involving dedicated follow-up of patients receiving IVCF and a physician education program regarding IVCF utilization, was established. We prospectively collected data of patients who received IVCF during 2015-2016, following protocol implementation (POST group). For comparison, we reviewed records of patients who received IVCF during 2009-2014, before implementation of the institutional protocol (PRE group)...
August 2017: Journal of Thrombosis and Thrombolysis
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