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Anticoagulants os aspirin

Dylan A Mistry, Amit Chandratreya, Paul Y F Lee
Introduction  Currently there are no consensuses in the national guidance on thromboprophylaxis following major elective lower limb surgery. Emerging clinical evidence suggests that aspirin could be just as effective as anticoagulants with a lower cost. The aim of this study was to provide an update based on literature of the past 3 years for the use of aspirin as thromboprophylaxis after knee and hip arthroplasty. Materials and Methods  MEDLINE/EMBASE search was performed with appropriate terms for original articles from 2014 to 2017...
October 2017: The surgery journal
Yue-Meng Wan, Yu-Hua Li, Hua-Mei Wu, Zhi-Yuan Xu, Ying Xu, Li-Hong Yang, Xi-Nan Wu, Jin-Hui Yang
Portal vein thrombosis (PVT) is common in patients with cirrhosis undergoing transjugular intrahepatic portosystemic shunt (TIPS). This study had 3-fold aims: to assess risk factors for PVT; to determine the efficacy of anticoagulant therapy; to investigate the impact of PVT on clinical outcomes in TIPS-treated cirrhosis.Between June 2012 and February 2016, 126 TIPS-treated patients with cirrhosis were enrolled and studied prospectively. Enrolled patients were screened for PVT before TIPS and at 3, 6, 12, and 24 months post-TIPS...
November 2017: Medicine (Baltimore)
Dilli Ram Poudel, Sushil Ghimire, Rashmi Dhital, Daniel A Forman, Theodore E Warkentin
Recently published reports have established a heparin-induced thrombocytopenia (HIT)-mimicking thromboembolic disorder without proximate heparin exposure, called spontaneous HIT syndrome. Although the pathophysiology remains unclear, anti-platelet factor 4 (PF4)/heparin antibodies possibly triggered by exposure to knee cartilage glycosaminoglycans or other non-heparin polyanions found on bacterial surfaces and nucleic acids have been postulated. We present a 53-year-old female receiving antithrombotic prophylaxis with aspirin following right total knee replacement surgery (without perioperative or any previous lifetime heparin exposure) who acutely presented with high-risk pulmonary embolism (PE) and right great saphenous vein thrombophlebitis on postoperative day (POD) 14; her platelet count at presentation was 13 × 10(9)/L...
September 2017: Platelets
Cenk Oezpeker, Armin Zittermann, Thomas Pühler, Stephan Ensminger, Jan F Gummert, Michiel Morshuis
Atrial fibrillation (AF) may increase the risk of thromboembolic (TE) complications in patients with left ventricular assist devices (LVADs). In a single-center study, we investigated 205 patients with sinus rhythm (SR group) and 117 patients with AF (AF group). Our main read outs were 2 year overall survival (primary end point), perioperative right heart failure (RHF), and 2 year freedom from stroke, pump thrombosis, and gastrointestinal bleeding (secondary end points). Oral anticoagulation was performed with phenprocoumon (international normalized ratio target range: 2...
July 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Tamer Owais, Mina Rouman, Martin Breuer, Lars Hüter, Jürgen Fuchs, Bernward Lauer, Thomas Kuntze
BACKGROUND: The anticoagulation of biological heart valves remains a 'hot spot' of discussion in various domains due to the risk of developing valve thrombosis and arterial thromboembolism. The situation has always been controversial, especially during the early postoperative phase. The American College of Cardiology/ American Heart Association and European Society of Cardiology guidelines recommend the use of warfarin for the first three months after biological aortic valve replacement (BAVR), although the American College of Chest Physicians guidelines suggest that these recommendations are experience-based and that the risk/benefit is unclear...
March 2016: Journal of Heart Valve Disease
Vera Erdman, Ilsia Tuktarova, Timur Nasibullin, Ianina Timasheva, Olga Mustafina
OBJECTIVE: Physiological and biochemical changes during aging alter drug metabolism. Drug intake is increased with age because of cumulative morbidity, in particular, high prevalence of cardiovascular diseases. Antihypertensive medications are the most commonly used drugs. Individual drug sensitivity or resistance may be influenced by the variance of the "pharmacological response" genes.Our purpose was to search for the polymorphic variants of "pharmacological response" genes associated with survival in different age periods...
September 2016: Journal of Hypertension
Vera Erdman, Ilsia Tuktarova, Timur Nasibullin, Ianina Timasheva, Olga Mustafina
OBJECTIVE: Physiological and biochemical changes during aging alter drug metabolism. Drug intake is increased with age because of cumulative morbidity, in particular, high prevalence of cardiovascular diseases. Antihypertensive medications are the most commonly used drugs. Individual drug sensitivity or resistance may be influenced by the variance of the "pharmacological response" genes.Our purpose was to search for the polymorphic variants of "pharmacological response" genes associated with survival in different age periods...
September 2016: Journal of Hypertension
Ayrton R Massaro, Gregory Y H Lip
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, with an estimated prevalence of 1-2% in North America and Europe. The increased prevalence of AF in Latin America is associated with an ageing general population, along with poor control of key risk factors, including hypertension. As a result, stroke prevalence and associated mortality have increased dramatically in the region. Therefore, the need for effective anticoagulation strategies in Latin America is clear. The aim of this review is to provide a contemporary overview of anticoagulants for stroke prevention...
August 11, 2016: Arquivos Brasileiros de Cardiologia
Melissa A Herschman, Frank S Rigelsky, Sandra S Axtell
PURPOSE: A pilot study was conducted to determine whether rivaroxaban (Xarelto, Janssen Pharmaceuticals) resulted in a lower 30-day all-cause readmission rate compared with enoxaparin (Lovenox, Sanofi-Aventis) after total hip arthroplasty (THA) or total knee arthroplasty (TKA) at a community hospital. METHODS: The study was a single-center, retrospective, chart-review investigation involving patients who underwent THA or TKA between May 2013 and May 2014. The study's primary endpoint was the 30-day all-cause readmission rate...
June 2016: P & T: a Peer-reviewed Journal for Formulary Management
Jason M Cuellar, Anthony Petrizzo, Ravi Vaswani, Jeffrey A Goldstein, John A Bendo
STUDY DESIGN: Cohort. OBJECTIVE: To compare the perioperative morbidity of patients with cardiac stents after spine surgery who continue to take aspirin before and after the operation with a similar group of patients who preoperatively discontinued aspirin. SUMMARY OF BACKGROUND DATA: The preoperative discontinuation of anticoagulant therapy has been the standard of care for orthopedic surgical procedures. However, recent literature has demonstrated significant cardiac risk associated with aspirin withdrawal in patients with cardiac stents...
May 1, 2015: Spine
M M Bern, D Hazel, D T Reilly, D M Adcock, L Hou
INTRODUCTION: This study examines makers of activation of clotting following three chemoprophylactic regimens used for prevention of postoperative venous thromboembolic disease (TED) following high-risk surgery for TED. METHODS: Patients having elective primary knee or hip replacement surgery received variable dose warfarin (target international normalized ratios 2.0-2.5), 1 mg warfarin daily starting 7 days preoperatively or aspirin 325 mg daily starting on the day of surgery...
October 2015: International Journal of Laboratory Hematology
Frank S Drescher, Brenda E Sirovich, Alexandra Lee, Daniel H Morrison, Wesley H Chiang, Robin J Larson
BACKGROUND: Hip fracture surgery and lower extremity arthroplasty are associated with increased risk of both venous thromboembolism and bleeding. The best pharmacologic strategy for reducing these opposing risks is uncertain. PURPOSE: To compare venous thromboembolism (VTE) and bleeding rates in adult patients receiving aspirin versus anticoagulants after major lower extremity orthopedic surgery. DATA SOURCES: Medline, Cumulative Index to Nursing and Allied Health Literature, and the Cochrane Library through June 2013; reference lists, ClinicalTrials...
September 2014: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
Xinbing Liu, Hongman Huang, Jianhua Yu, Guoliang Cao, Liuliu Feng, Qitan Xu, Shufu Zhang, Mingcheng Zhou, Yigang Li
OBJECTIVE: To compare the therapeutic warfarin and aspirin efficacies for treatments of atrial fibrillation (AF) complicated with stable coronary heart disease particularly in older Chinese patients. METHODS: In our prospective study 101 patients with AF and stable coronary heart disease older than 80 years were randomized into two groups. One group (n = 51) basically received 1.25 mg/day warfarin per os, followed by addition of 0.5 - 1.0 mg/day from day 3 - 5 if the international normalized ratio (INR) was initially < 1...
June 2014: International Journal of Clinical Pharmacology and Therapeutics
Corbin D Jacobs, Stephen G Chun, Jingsheng Yan, Xian-Jin Xie, David A Pistenmaa, Raquibul Hannan, Yair Lotan, Claus G Roehrborn, Kevin S Choe, D W Nathan Kim
PURPOSE: High-risk prostate cancer (PC) has poor outcomes due to therapeutic resistance to conventional treatments, which include prostatectomy, radiation, and hormone therapy. Previous studies suggest that anticoagulant (AC) use may improve treatment outcomes in PC patients. We hypothesized that AC therapy confers a freedom from biochemical failure (FFBF) and overall survival (OS) benefit when administered with radiotherapy in patients with high-risk PC. MATERIALS AND METHODS: Analysis was performed on 74 high-risk PC patients who were treated with radiotherapy from 2005 to 2008 at UT Southwestern...
June 1, 2014: Cancer Biology & Therapy
Steven R Steinhubl, John W Eikelboom, Elaine M Hylek, Harold L Dauerman, Susan S Smyth, Richard C Becker
The contribution of platelets in the pathophysiology of low-shear thrombosis-specifically, in atrial fibrillation (AF) and venous thromboembolic events (VTE)-remains less clear than for arterial thrombosis. AF itself appears to lead to platelet activation, offering a potential target for aspirin and other antiplatelet agents. Randomized trial results suggest a small benefit of aspirin over placebo, and of dual antiplatelet therapy (aspirin plus clopidogrel) over aspirin alone, for prevention of cardioembolic events in AF...
April 2014: Journal of Thrombosis and Thrombolysis
Faryal Tahir, Haris Riaz, Talha Riaz, Maaz B Badshah, Irbaz B Riaz, Ameer Hamza, Hafsa Mohiuddin
BACKGROUND: Anticoagulation with vitamin K antagonists such as warfarin has historically been used for the long term management of patients with thromboembolic disease. However, these agents have a slow onset of action which requires bridging therapy with heparin and its analogues, which are available only in parenteral route. To overcome these limitations, new oral anticoagulants such as factor Xa inhibitors and direct thrombin inhibitors have been developed. The aim of this article is to systematically review the phase 3 clinical trials of new oral anticoagulants in common medical conditions...
September 3, 2013: Thrombosis Journal
L Pujadas-Mestres, G Escolar, E Arellano-Rodrigo, A M Galán
Conventional anticoagulant therapies can significantly reduce the risk of stroke and related complications in patients with atrial fibrillation (AF). Classic oral anticoagulants based on vitamin K antagonism have shown effectiveness in the prevention of thromboembolic complications in this clinical setting. Unfortunately, vitamin K antagonists that have shown effectiveness in the prevention of thromboembolic complications in patients with nonvalvular AF hold inherent limitations including delayed onset of action, narrow therapeutic index, variability of their response, need for repeated control and numerous interactions with food and other drugs...
July 2013: Drugs of Today
Alexandra Lee, Robin Larson, Daniel Morrison, Wesley Chiang, Frank Drescher
SESSION TYPE: DVT/PE/Pulmonary Hypertension Posters IIPRESENTED ON: Wednesday, October 24, 2012 at 01:30 PM - 02:30 PMPURPOSE: To assess bleeding complications, venous thromboembolism (VTE) event rates, and mortality when comparing aspirin to anticoagulation in orthopedic patients after lower extremity reconstructive surgery.METHODS: We searched MEDLINE (1966-September 2011), CINAHL (1974-October 2011) and the Cochrane Controlled Clinical Trials Register Database (1966-October 2011), in addition to manual review of meeting abstracts and reference lists...
October 1, 2012: Chest
Michael J Lipsky, Gina M Badalato, Piruz Motamedinia, Greg W Hruby, James M McKiernan
OBJECTIVE: To determine if there is a difference in clinical outcomes among non-muscle-invasive bladder cancer patients taking fibrin clot-inhibiting (FCI) medications (aspirin, clopidogrel, or warfarin) while receiving Bacillus Calmette-Guérin (BCG) therapy compared with their counterparts not taking anticoagulation. MATERIALS AND METHODS: Our Investigational Review Board-approved database was queried for patients who received an induction course of BCG from 2001 to 2011...
June 2013: Urology
I Lisanne Holster, Vera E Valkhoff, Ernst J Kuipers, Eric T T L Tjwa
BACKGROUND & AIMS: A new generation of oral anticoagulants (nOAC), which includes thrombin and factor Xa inhibitors, has been shown to be effective, but little is known about whether these drugs increase patients' risk for gastrointestinal bleeding (GIB). Patients who require OAC therapy frequently have significant comorbidities and may also take aspirin and/or thienopyridines. We performed a systematic review and meta-analysis of the risk of GIB and clinically relevant bleeding in patients taking nOAC...
July 2013: Gastroenterology
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