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Anticoagulants

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https://www.readbyqxmd.com/read/28538931/cross-cultural-adaptation-of-the-oral-anticoagulation-knowledge-test-to-the-brazilian-portuguese
#1
Marcus Fernando da Silva Praxedes, Mauro Henrique Nogueira Guimarães Abreu, Daniel Dias Ribeiro, Milena Soriano Marcolino, Saul Martins de Paiva, Maria Auxiliadora Parreiras Martins
Patients' knowledge about oral anticoagulant therapy may favor the achievement of therapeutic results and the prevention of adverse pharmacotherapy-related events. Brazil lacks validated instruments for assessing the patient's knowledge about treatment with warfarin. This study aimed to perform the cross-cultural adaptation of the Oral Anticoagulation Knowledge (OAK) Test instrument from English into Portuguese. This is a methodological study developed in an anticoagulation clinic of a public university hospital...
May 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28538758/same-tt2r2-score-in-the-outpatient-anticoagulation-clinic-to-predict-time-in-therapeutic-range-and-adverse-events
#2
Fernando Pivatto, Rafael Selbach Scheffel, Lucas Ries, Ricardo Roitman Wolkind, Roberta Marobin, Sabrina Sigal Barkan, Luís Carlos Amon, Andréia Biolo
Background: The SAMe-TT2R2 score was developed to predict which patients on oral anticoagulation with vitamin K antagonists (VKAs) will reach an adequate time in therapeutic range (TTR) (> 65%-70%). Studies have reported a relationship between this score and the occurrence of adverse events. Objective: To describe the TTR according to the score, in addition to relating the score obtained with the occurrence of adverse events in patients with nonvalvular atrial fibrillation (AF) on oral anticoagulation with VKAs...
April 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28538699/cholesterol-crystal-embolism-and-chronic-kidney-disease
#3
REVIEW
Xuezhu Li, George Bayliss, Shougang Zhuang
Renal disease caused by cholesterol crystal embolism (CCE) occurs when cholesterol crystals become lodged in small renal arteries after small pieces of atheromatous plaques break off from the aorta or renal arteries and shower the downstream vascular bed. CCE is a multisystemic disease but kidneys are particularly vulnerable to atheroembolic disease, which can cause an acute, subacute, or chronic decline in renal function. This life-threatening disease may be underdiagnosed and overlooked as a cause of chronic kidney disease (CKD) among patients with advanced atherosclerosis...
May 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28538688/in-silico-study-and-bioprospection-of-the-antibacterial-and-antioxidant-effects-of-flavone-and-its-hydroxylated-derivatives
#4
Camila de Albuquerque Montenegro, Gregório Fernandes Gonçalves, Abrahão Alves de Oliveira Filho, Andressa Brito Lira, Thays Thyara Mendes Cassiano, Natanael Teles Ramos de Lima, José Maria Barbosa-Filho, Margareth de Fátima Formiga Melo Diniz, Hilzeth Luna Freire Pessôa
Flavonoid compounds are widely used as natural protective species, which can act as anti-inflammatory, antioxidant, anticoagulant, antihypertensive and antitumor agents. This study set out to investigate the probable pharmacological activities, along with the antibacterial and antioxidant effects, of flavone and its hydroxy derivatives: 3-hydroxyflavone, 5-hydroxyflavone and 6-hydroxyflavone. To do so, we investigated their pharmacological characteristics, using in silico tests that indicate likelihood of activity or inactivity, with the PASS online software, and the antimicrobial potential against Gram positive and Gram negative bacteria was also analyzed, including bacteria of clinical importance...
May 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28538641/prehospital-plasma-resuscitation-associated-with-improved-neurologic-outcomes-after-traumatic-brain-injury
#5
Matthew C Hernandez, Cornelius A Thiels, Johnathon M Aho, Elizabeth B Habermann, Martin D Zielinski, James A Stubbs, Donald H Jenkins, Scott P Zietlow
INTRODUCTION: Trauma related hypotension and coagulopathy worsen secondary brain injury in patients with traumatic brain injuries (TBI). Early damage control resuscitation with blood products may mitigate hypotension and coagulopathy. Preliminary data suggest resuscitation with plasma in large animals improve neurologic function after TBI; however, data in humans are lacking. METHODS: We retrospectively identified all poly-trauma patients age >15 years with head injuries undergoing prehospital resuscitation with blood products at a single level I trauma center from 01/2002 to 12/2013...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28538441/hyperlactatemia-lactate-kinetics-and-prediction-of-citrate-accumulation-in-critically-ill-patients-undergoing-continuous-renal-replacement-therapy-with-regional-citrate-anticoagulation
#6
Dmytro Khadzhynov, Annette Dahlinger, Christin Schelter, Harm Peters, Detlef Kindgen-Milles, Klemens Budde, Lukas Johannes Lehner, Fabian Halleck, Oliver Staeck, Torsten Slowinski
OBJECTIVES: Citrate accumulation is a major complication of regional citrate anticoagulation during continuous renal replacement therapy. We studied the prediction of citrate accumulation during continuous veno-venous hemodialysis with regional citrate anticoagulation by initial lactate concentrations and lactate kinetics. DESIGN: A retrospective follow-up analysis from a cohort of critically ill patients. SETTING: Mixed medical-surgical ICUs at a university hospital...
May 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28538440/neurologic-injury-in-adults-supported-with-veno-venous-extracorporeal-membrane-oxygenation-for-respiratory-failure-findings-from-the-extracorporeal-life-support-organization-database
#7
Roberto Lorusso, Sandro Gelsomino, Orlando Parise, Michele Di Mauro, Fabio Barili, Gijs Geskes, Enrico Vizzardi, Peter T Rycus, Raf Muellenbach, Thomas Mueller, Antonio Pesenti, Alain Combes, Giles Peek, Bjorn Frenckner, Matteo Di Nardo, Justyna Swol, Jos Maessen, Ravi R Thiagarajan
OBJECTIVES: To assess in-hospital neurologic (CNS) complications in adult patients undergoing veno-venous extracorporeal membrane oxygenation for respiratory failure. DESIGN: Retrospective analysis of the Extracorporeal Life Support Organization's data registry. SETTING: Data reported to Extracorporeal Life Support Organization from 350 international extracorporeal membrane oxygenation centers during 1992-2015. PATIENTS: Adults (≥ 18 yr old) supported with veno-venous extracorporeal membrane oxygenation for respiratory failure...
May 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28538402/dissection-extending-from-extra-to-intracranial-arteries-a-case-report-of-progressive-ischemic-stroke
#8
Fu-Liang Zhang, Zhen-Ni Guo, Yang Liu, Yun Luo, Yi Yang
RATIONALE: Cervicocephalic artery dissections, once considered a rare disease, have become increasingly recognized as a cause of stroke in young and middle-aged individuals. Early diagnosis is mandatory because anticoagulation or antithrombotic therapy can help prevent primary or secondary ischemic events. However, the diagnosis is still a crucial challenge for radiologists and neurologists. PATIENT CONCERNS: We reported a rare case of 33-year-old patient with progressive ischemic stroke due to dissection from an intimal tear in the right proximal internal carotid artery to distal middle cerebral artery...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28538271/pulmonary-transplant-salvage-using-ultrasound-assisted-thrombolysis-of-subacute-occlusive-main-pulmonary-artery-embolus
#9
John R Spratt, Prashant Shrestha, Gabriel Loor, Jagadish M Patil, Marshall I Hertz, Gosta B Pettersson, Michael S Rosenberg
A 53-year-old woman who underwent bilateral lung transplantation 14 months before presented with 2 to 3 weeks of severe exertional dyspnea. Workup revealed a complete embolic occlusion of her left main pulmonary artery related to a femoral deep venous thrombosis. The occlusion did not respond to systemic anticoagulation, and a trial of catheter-directed thrombolysis was pursued. Flow to the left lower lobe was restored after 2 days of thromobolytic therapy. The patient is alive and well at more than 1 year of follow-up...
May 19, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28538190/post-traumatic-inferior-vena-cava-thrombosis-a-case-report-and-review-of-literature
#10
Amine Chakroun, Mohamed Said Nakhli, Mohamed Kahloul, Mohamed Amine Harrathi, Walid Naija
INTRODUCTION: Post traumatic inferior vena cava (IVC) thrombosis is a rare and not well described entity with nonspecific clinical presentation. It remains a therapeutic challenge in traumatic context because of haemorrhagic risk due to anticoagulation. PRESENTATION OF CASE: We report a case of IVC thrombosis in an 18 year-old man who presented with liver injury following a traffic crash. The thrombosis was incidentally diagnosed on admission by computed tomography...
May 15, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28538012/antiphospholipid-syndrome-an-update-for-clinicians-and-scientists
#11
Andrew P Vreede, Paula L Bockenstedt, Jason S Knight
PURPOSE OF REVIEW: Antiphospholipid syndrome (APS) is a leading acquired cause of thrombosis and pregnancy loss. Upon diagnosis (which is unlikely to be made until at least one morbid event has occurred), anticoagulant medications are typically prescribed in an attempt to prevent future events. This approach is not uniformly effective and does not prevent associated autoimmune and inflammatory complications. The goal of this review is to update clinicians and scientists on mechanistic and clinically relevant studies from the past 18 months, which have especially focused on inflammatory aspects of APS pathophysiology...
May 22, 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/28535516/citrate-anticoagulation-during-continuous-renal-replacement-therapy
#12
Davide Ricci, Laura Panicali, Maria Grazia Facchini, Elena Mancini
During extracorporeal dialysis, some anticoagulation strategy is necessary to prevent the coagulation of blood. Heparin has historically been used as an anticoagulant because of its efficacy combined with low cost. However, a variable incidence of hemorrhagic complications (5-30%) has been documented in patients undergoing continuous renal replacement therapy (CRRT) with heparin as an anticoagulant. Citrate has anticoagulation properties secondary to its ability to chelate calcium, which is necessary for the coagulation cascade...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535419/comparison-of-the-efficacy-of-fixed-dose-enoxaparin-and-adjusted-dose-unfractionated-heparin-in-patients-with-cerebral-venous-thrombosis
#13
Pat Korathanakhun, Chusana Petpichetchian, Wongchan Petpichetchian, Pornchai Sathirapanya
OBJECTIVE: Anticoagulants are the standard treatment for cerebral venous thrombosis (CVT). Although low-molecular-weight heparin (LMWH) is recommended in CVT, the specific type and dosage regimen of LMWH have never been specifically suggested. This study compared the clinical outcomes and adverse events in patients who received adjusted-dose unfractionated heparin (AD-UFH) versus fixed-dose enoxaparin (FD-E). METHODS: A retrospective cohort study was conducted at a university hospital in Thailand...
May 10, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28535134/upper-airway-obstruction-secondary-to-anticoagulant-rodenticide-toxicosis-in-five-dogs
#14
Corinne Lawson, Mauria O'Brien, Maureen McMichael
Five dogs were presented with clinical signs compatible with upper airway obstruction, including stridor, stertor, coughing, gagging, and varying degrees of respiratory distress. All dogs had radiographic findings of soft tissue opacity in the area of the pharynx, larynx, or trachea, and several had narrowing of the tracheal lumen. Coagulation abnormalities (prolonged prothrombin time, activated partial thromboplastin time) were present in the four dogs that underwent testing. Four of five dogs were treated for the coagulopathy, presumably due to anticoagulant rodenticide toxicosis, and survived to discharge...
May 23, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28535119/comparison-of-effectiveness-and-safety-of-treatment-with-apixaban-vs-other-oral-anticoagulants-among-elderly-nonvalvular-atrial-fibrillation-patients
#15
Steven Deitelzweig, Xuemei Luo, Kiran Gupta, Jeffrey Trocio, Jack Mardekian, Tammy Curtice, Melissa Lingohr-Smith, Brandy Menges, Jay Lin
OBJECTIVE: To compare the risk of stroke/systemic embolism (S/SE) and major bleeding (MB) of elderly (≥65 years of age) nonvalvular atrial fibrillation (NVAF) patients initiating apixaban vs. rivaroxaban, dabigatran, or warfarin. METHODS: NVAF patients with Medicare Advantage coverage in the US initiating oral anticoagulants (OACs, index event) were identified from the Humana database (1/1/2013-9/30/2015) and grouped into cohorts depending on OAC initiated. Propensity score matching (PSM), 1:1, was conducted among patients treated with apixaban vs...
May 23, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28534833/coagulating-colubrids-evolutionary-pathophysiological-and-biodiscovery-implications-of-venom-variations-between-boomslang-dispholidus-typus-and-twig-snake-thelotornis-mossambicanus
#16
Jordan Debono, James Dobson, Nicholas R Casewell, Anthony Romilio, Bin Li, Nyoman Kurniawan, Karine Mardon, Vera Weisbecker, Amanda Nouwens, Hang Fai Kwok, Bryan G Fry
Venoms can deleteriously affect any physiological system reachable by the bloodstream, including directly interfering with the coagulation cascade. Such coagulopathic toxins may be anticoagulants or procoagulants. Snake venoms are unique in their use of procoagulant toxins for predatory purposes. The boomslang (Dispholidus typus) and the twig snakes (Thelotornis species) are iconic African snakes belonging to the family Colubridae. Both species produce strikingly similar lethal procoagulant pathologies. Despite these similarities, antivenom is only produced for treating bites by D...
May 19, 2017: Toxins
https://www.readbyqxmd.com/read/28534557/-circuit-life-span-of-continuous-renal-replacement-therapy-in-critically-ill-patients-with-or-without-conventional-anticoa-gulation-an-observational-prospective-study
#17
M Sanz Ganuza, F Hidalgo Martínez, N García-Fernández
BACKGROUND: The aim of this study was to describe the efficacy, security and viability of an anticoagulation system with continuous infusion of unfractionated heparin (UFH) versus one without any type of anticoagulant using 0.9% physiological saline washings, in critically ill patients with continuous renal replacement therapy (CRRT) and different risks of bleeding. METHODS: From October 2013 to April 2015 we conducted an observational prospective study in the intensive care unit (ICU)...
April 30, 2017: Anales del Sistema Sanitario de Navarra
https://www.readbyqxmd.com/read/28534102/circulating-microaggregates-during-cardiac-surgery-precedes-postoperative-stroke
#18
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/28532773/comparison-of-the-incidences-of-complications-after-second-generation-cryoballoon-ablation-of-atrial-fibrillation-using-vitamin-k-antagonists-versus-novel-oral-anticoagulants
#19
Giacomo Mugnai, Carlo de Asmundis, Saverio Iacopino, Erwin Stroker, Massimo Longobardi, Valentina De Regibus, Hugo Enrique Coutino-Moreno, Ken Takarada, Rajin Choudhury, Juan Pablo Abugattas de Torres, Cesare Storti, Pedro Brugada, Gian-Battista Chierchia
Data evaluating the impact of the periprocedural administration of novel oral anticoagulants (NOACs) on complications in the setting of pulmonary vein (PV) isolation using cryoballoon (CB) is limited. In the present study, our aim was to analyze procedural characteristics and incidence of complications in those patients who underwent CB ablation for atrial fibrillation and the impact of NOACs on adverse events compared with vitamin K antagonists (VKAs). Consecutive patients with drug resistant atrial fibrillation who underwent PV isolation by CB as index procedure were retrospectively included in our analysis...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28532651/suboptimal-anticoagulant-management-in-japanese-patients-with-nonvalvular-atrial-fibrillation-receiving-warfarin-for-stroke-prevention
#20
Teruyuki Hirano, Hirokazu Kaneko, Sari Mishina, Feng Wang, Satoshi Morita
BACKGROUND: Atrial fibrillation (AF) is the most common cardiac arrhythmia, with increasing prevalence in Japan. Although prothrombin time-international normalized ratio (PT-INR) targets for monitoring warfarin therapy in patients with nonvalvular AF (NVAF) are well defined, real-world patient characteristics and PT-INR levels remain unknown among Japanese patients with NVAF who initiate and continue warfarin (warfarin maintainers) versus those who switch from warfarin to direct oral anticoagulants (DOACs; warfarin switchers)...
May 19, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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