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anticoagulate biomarker

Qi Jin, Qin Luo, Zhihui Zhao, Qing Zhao, Xue Yu, Lu Yan, Liu Gao, Zhihong Liu
BACKGROUND: Takotsubo syndrome (TTS) is an acute cardiac condition with reversible heart failure which is often triggered by psychological and physical stressful events. Although pulmonary embolism (PE) was reported as a trigger for TTS, the concurrence of TTS and PE has been rarely reported, let alone that triggered by PE. Here we describe a case of a postmenopausal female presenting with symptoms similar to myocardial ischemia, which may be caused by PE, and review the available literature that may help clinicians with their practice to similar situations since no published guidelines are available...
December 10, 2018: BMC Cardiovascular Disorders
Roopinder K Sandhu, Justin A Ezekowitz, Ziad Hijazi, Johan Westerbergh, Julia Aulin, John H Alexander, Christopher B Granger, Sigrun Halvorsen, Michael S Hanna, Renato D Lopes, Agneta Siegbahn, Lars Wallentin
Objective: We investigated the association between obesity and biomarkers indicating cardiac or renal dysfunction or inflammation and their interaction with obesity and outcomes. Methods: A total of 14 753 patients in the Apixaban for Reduction In STroke and Other ThromboemboLic Events in Atrial Fibrillation (ARISTOTLE) trial provided plasma samples at randomisation to apixaban or warfarin. Median follow-up was 1.9 years. Body Mass Index (BMI) was measured at baseline and categorised as normal, 18...
2018: Open Heart
Simin Jamaly, Cathrine Ramberg, Randi Olsen, Nadezhda Latysheva, Paul Webster, Timofey Sovershaev, Sigrid K Brækkan, John-Bjarne Hansen
Optimal pre-analytical handling is essential for valid measurements of plasma concentration and size distribution of extracellular vesicles (EVs). We investigated the impact of plasma preparation, various anticoagulants (Citrate, EDTA, CTAD, Heparin), and fasting status on concentration and size distribution of EVs measured by Nanoparticle Tracking Analysis (NTA). Blood was drawn from 10 healthy volunteers to investigate the impact of plasma preparation and anticoagulants, and from 40 individuals from a population-based study to investigate the impact of postprandial lipidemia...
November 21, 2018: Scientific Reports
Donato Gemmati, Savino Occhionorelli, Veronica Tisato, Marco Vigliano, Giovanna Longo, Arianna Gonelli, Maria G Sibilla, Maria L Serino, Paolo Zamboni
Abdominal adhesions (AA) account for the most common complication of peritoneal surgery with bowel obstruction being the severest problem in the absence of effective predicting biomarkers. Anti-AA-barriers or adhesiolysis did not completely prevent bowel obstruction, although there is evidence they might reduce related complications requiring reoperation. In addition, gender-related predispositions have not been adequately investigated. We explored the role of coagulation Factor XIII (F13A1 and F13B subunit-genes) in patients following laparotomy, mostly median/lower median incision line...
November 16, 2018: Scientific Reports
Miguel Alejandro Lopez-Ramirez, Angela Pham, Romuald Girard, Tine Wyseure, Preston Hale, Atsuki Yamashita, Janne Koskimäki, Sean Polster, Laleh Saadat, Ignacio A Romero, Charles T Esmon, Frederic Lagarrigue, Issam A Awad, Laurent O Mosnier, Mark H Ginsberg
Cerebral cavernous malformations (CCM) are common brain vascular dysplasias prone to acute and chronic hemorrhage with significant clinical sequelae. The pathogenesis of recurrent bleeding in CCM is incompletely understood. Here we show that central nervous system (CNS) hemorrhage in CCM is associated with locally elevated expression of the anticoagulant endothelial receptors thrombomodulin (TM) and endothelial protein C receptor (EPCR). TM levels are increased in human CCM lesions and in the plasma of patients with CCMs...
November 15, 2018: Blood
Rongmei Lin, Matthew D Stanley, Mohammad M Ghassemi, Shamim Nemati
Medication dosing in a critical care environment is a complex task that involves close monitoring of relevant physiologic and laboratory biomarkers and corresponding sequential adjustment of the prescribed dose. Misdosing of medications with narrow therapeutic windows (such as intravenous [IV] heparin) can result in preventable adverse events, decrease quality of care and increase cost. Therefore, a robust recommendation system can help clinicians by providing individualized dosing suggestions or corrections to existing protocols...
July 2018: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
E Gezelius, A Flou Kristensen, P O Bendahl, Y Hisada, S Risom Kristensen, L Ek, B Bergman, M Wallberg, U Falkmer, N Mackman, S Pedersen, M Belting
Coagulation activation and venous thromboembolism (VTE) are hallmarks of cancer; however, there is an unmet need of improved biomarkers for individualized anticoagulant treatment. The present sub-study of the RASTEN trial was designed to explore the role of coagulation biomarkers in predicting VTE risk and outcome in a homogenous cancer patient population. RASTEN is a multicenter, randomized phase-3 trial investigating the survival effect of low molecular weight heparin enoxaparin when added to standard treatment in newly diagnosed small cell lung cancer (SCLC) patients...
2018: PloS One
Allan K Metz, Jose A Diaz, Andrea T Obi, Thomas W Wakefield, Daniel D Myers, Peter K Henke
Deep vein thrombosis (DVT) is a common disease that carries serious ramifications for patients, including pulmonary embolism and post-thrombotic syndrome (PTS). Although standard treatment for DVT is anticoagulation, this carries an added risk of bleeding and increased medication monitoring. Identifying those at risk for DVT and PTS can be difficult, and current research with murine models is helping to illuminate the biologic changes associated with these two disorders. Potential novel biomarkers for improving the diagnosis of DVT and PTS include ICAM-1, P-selectin, and cell-free DNA...
July 2018: Methodist DeBakey Cardiovascular Journal
Jason H Karnes
Heparin-induced thrombocytopenia (HIT) is a life-threatening, immune-mediated adverse reaction to heparin anticoagulants. The inability to predict HIT represents a considerable liability associated with heparin administration. Genetic studies of HIT are challenging due to the scarcity of true HIT cases, potential for misclassification, and many environmental risk factors. Genetic studies have not consistently identified risk alleles for HIT, the production of platelet factor 4/heparin antibodies or the thromboembolic complications of HIT...
November 6, 2018: Pharmacogenomics
Ethan D Borre, Adam Goode, Giselle Raitz, Bimal Shah, Angela Lowenstern, Ranee Chatterjee, Lauren Sharan, Nancy M Allen LaPointe, Roshini Yapa, J Kelly Davis, Kathryn Lallinger, Robyn Schmidt, Andrzej Kosinski, Sana M Al-Khatib, Gillian D Sanders
BACKGROUND:  Atrial fibrillation (AF) is a common cardiac arrhythmia that increases the risk of stroke. Medical therapy for decreasing stroke risk involves anticoagulation, which may increase bleeding risk for certain patients. In determining the optimal therapy for stroke prevention for patients with AF, clinicians use tools with various clinical, imaging and patient characteristics to weigh stroke risk against therapy-associated bleeding risk. AIM:  This article reviews published literature and summarizes available risk stratification tools for stroke and bleeding prediction in patients with AF...
October 30, 2018: Thrombosis and Haemostasis
Yusheng Lu, Shu Lian, Yuying Ye, Ting Yu, Haiyan Liang, Yunlong Cheng, Jingjing Xie, Yewei Zhu, Xiaodong Xie, Suhong Yu, Yu Gao, Lee Jia
A perfect microenvironment facilitates the activated circulating tumor cells (CTCs) to spark the adhesion-invasion-extravasation metastatic cascade in their premetastatic niche. Platelet-CTC interaction contributes to the progression of tumor malignancy by protecting CTCs from shear stress and immunological assault, aiding CTCs entrapment in the capillary bed, enabling CTCs to successfully exit the bloodstream and enter the tissue, inducing epithelial-mesenchymal-like transition (EMT), and assisting in the establishment of metastatic foci...
October 23, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
Stefano Barco, Stavros V Konstantinides
Acute pulmonary embolism (PE) contributes significantly to the global burden of cardiovascular disease. The severity of the acute PE event determines the expected estimated risk of early death. This risk is influenced by the degree of dysfunction of the right ventricle (RV), as assessed by the presence of acute RV pressure overload on imaging and/or elevated cardiac biomarkers, and by demographic and clinical factors, including relevant comorbidities. Haemodynamic instability and cardiogenic shock is at the top of the PE severity spectrum, as it represents the most extreme manifestation of RV failure and a key determinant of poor prognosis...
October 18, 2018: Hämostaseologie
Luis Jara-Palomares, Aurora Solier-Lopez, Teresa Elias-Hernandez, Maria Isabel Asensio-Cruz, Isabel Blasco-Esquivias, Veronica Sanchez-Lopez, Maria Rodriguez de la Borbolla, Elena Arellano-Orden, Lionel Suarez-Valdivia, Samira Marin-Romero, Lucia Marin-Barrera, Aranzazu Ruiz-Garcia, Emilio Montero-Romero, Silvia Navarro-Herrero, Jose Luis Lopez-Campos, Maria Pilar Serrano-Gotarredona, Juan Manuel Praena-Fernandez, Jose Maria Sanchez-Diaz, Remedios Otero-Candelera
BACKGROUND: Optimal duration of anticoagulation for cancer-associated thrombosis (CAT) remains unclear. This study assessed D-dimer (DD) and high-sensitivity C-reactive protein (hs-CRP) levels after the withdrawal of anticoagulation treatment to predict the risk of venous thromboembolism (VTE) recurrence among patients with CAT. METHODS: Prospective, multicentre study to evaluate CAT with ≥3 months of anticoagulation that was subsequently discontinued. Blood samples were taken when patients stopped the anticoagulation and 21 days later to determine the DD and hs-CRP levels...
October 2018: British Journal of Cancer
Kumar Digvijay, Mauro Neri, Weixuan Fan, Zaccaria Ricci, Claudio Ronco
INTRODUCTION: Definition, prevention, and management of acute kidney injury (AKI) and the optimal prescription and delivery of renal replacement therapy (RRT) are currently matters of ongoing discussion. Due to the lack of definitive published literature, a wide gap might exist between routine clinical practice and available recommendations. The aim of this survey was to explore the clinical approach to AKI and RRT in a broad population of nephrologists and intensivists participating in the 36th International course on AKI and Continuous RRT (CRRT), held in Vicenza in June 2018...
September 28, 2018: Blood Purification
Nicolas Meneveau
The therapeutic strategy of acute pulmonary embolism (PE) is based on risk stratification of early mortality in the emergency department. Anticoagulant therapy should be given to all PE patients as early as possible, and direct oral anticoagulants are expected to replace vitamin K antagonists in the majority of cases. The use of a reperfusion strategy should always be considered in patients with high-risk PE defined as PE with clinical hemodynamic instability. Surgical or percutaneous embolectomy is an alternative in case of contraindication to thrombolytic therapy in these patients...
September 2018: La Presse Médicale
Li Tao, Min Xu, Xiaojun Dai, Tengyang Ni, Dan Li, Feng Jin, Haibo Wang, Lide Tao, Bo Pan, James R Woodgett, Yayun Qian, Yanqing Liu
Danshen, the dried root of Salvia miltiorrhiza , one of the most investigated medicinal plants with well-defined phytochemical constituents, has shown prominent clinical outcomes for antioxidant, anti-inflammatory, and anticoagulant activities to attain vascular protection and additional benefits for cancer therapy. More recently, activation of neutrophil and excessive formation of neutrophil extracellular traps (NETs) have been observed in pathological conditions of metastatic cancers; thus, we hypothesized that suppression of NETs could account for an essential cellular event underlying Danshen-mediated reduction of the incidence of metastasis...
2018: Oxidative Medicine and Cellular Longevity
Rocco J Cannistraro, James F Meschia
PURPOSE OF REVIEW: This review highlights current management of patients with concomitant cerebral amyloid angiopathy (CAA) and atrial fibrillation (AF). We review quantifying risk of ischemic and hemorrhagic stroke as well as treatments to minimize future risk. RECENT FINDINGS: Ischemic stroke risk in AF can be quantified by CHA2 DS2 -VASc and assessing left atrial echocardiographic characteristics. Patients deemed not low risk by CHA2 DS2 -VASC should be anticoagulated...
September 12, 2018: Current Cardiology Reports
Hooman Kamel, W T Longstreth, David L Tirschwell, Richard A Kronmal, Joseph P Broderick, Yuko Y Palesch, Caitlyn Meinzer, Catherine Dillon, Irene Ewing, Judith A Spilker, Marco R Di Tullio, Eldad A Hod, Elsayed Z Soliman, Seemant Chaturvedi, Claudia S Moy, Scott Janis, Mitchell Sv Elkind
Rationale Recent data suggest that a thrombogenic atrial substrate can cause stroke in the absence of atrial fibrillation. Such an atrial cardiopathy may explain some proportion of cryptogenic strokes. Aims The aim of the ARCADIA trial is to test the hypothesis that apixaban is superior to aspirin for the prevention of recurrent stroke in subjects with cryptogenic ischemic stroke and atrial cardiopathy. Sample size estimate 1100 participants. Methods and design Biomarker-driven, randomized, double-blind, active-control, phase 3 clinical trial conducted at 120 U...
September 10, 2018: International Journal of Stroke: Official Journal of the International Stroke Society
Steve Goodacre, Kimberley Horspool, Neil Shephard, Daniel Pollard, Beverley J Hunt, Gordon Fuller, Catherine Nelson-Piercy, Marian Knight, Steven Thomas, Fiona Lecky, Judith Cohen
BACKGROUND: Pulmonary embolism (PE) is a leading cause of death in pregnancy and post partum, but the symptoms of PE are common in normal pregnancy. Simple diagnostic tests are needed to select women for diagnostic imaging. OBJECTIVE: To estimate the accuracy, effectiveness and cost-effectiveness of clinical features, decision rules and biomarkers for selecting pregnant or postpartum women with a suspected PE for imaging. DESIGN: An expert consensus study to develop new clinical decision rules, a case-control study of women with a diagnosed PE or a suspected PE, a biomarker study of women with a suspected PE or diagnosed deep-vein thrombosis (DVT) and decision-analysis modelling...
August 2018: Health Technology Assessment: HTA
Ioannis Bellos, Georgia Fitrou, Vasilios Pergialiotis, Nikolaos Papantoniou, Georgios Daskalakis
OBJECTIVE: Mean platelet volume (MPV) has been explored in several observational studies in the field of preeclampsia and current evidence seem to be conflicting. The purpose of the present meta-analysis is to evaluate the reported MPV differences in patients that develop preeclampsia and to compare them to those of otherwise healthy women. DESIGN AND METHODS: We searched the international literature using the Medline (1966-2018), Scopus (2004-2018), EMBASE (1947-2018) and Clinicaltrials...
July 2018: Pregnancy Hypertension
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