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https://www.readbyqxmd.com/read/28319521/warfarin-and-aspirin-versus-warfarin-alone-for-prevention-of-embolic-events-in-patients-with-a-heartmate-ii%C3%A2-left-ventricular-assist-device
#1
Joseph S Van Tuyl, Ian B Hollis, Khalid A Alburikan, Richard Tran, Brian P Murray, Jo E Rodgers, Jason N Katz, Brett C Sheridan
Acquired von Willebrand disease increases bleeding risk in patients implanted with a continuous-flow left ventricular assist device. Lower aspirin doses decrease the risk of bleeding without an increased risk of embolic events. No published studies in the U.S. have compared the incidence of bleeding and thrombotic events between antithrombotic regimens with and without aspirin. A single-center, retrospective analysis was conducted of adult patients implanted with a HM II. Patients received warfarin and aspirin 81 mg daily or warfarin alone...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28319321/unrecognized-coronary-vasospasm-in-patients-referred-for-percutaneous-coronary-intervention-intracoronary-nitroglycerin-the-forgotten-stepchild-of-cardiovascular-guidelines
#2
Alec Vishnevsky, Howard M Julien, David L Fischman, Paul Walinsky, J David Ogilby, Nicholas J Ruggiero, Babu Jasti, Michael P Savage
OBJECTIVE: The goal of this study was to demonstrate the importance of intracoronary nitroglycerin (IC NTG) administration during diagnostic coronary angiography and prior to percutaneous coronary intervention (PCI). BACKGROUND: PCI has been a mainstay treatment for patients with symptomatic coronary artery disease. While current guidelines emphasize the importance of periprocedural antithrombotic medications, they fail to mention the use of nitroglycerin prior to PCI...
March 20, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28318999/the-significance-of-inflow-artery-and-tourniquet-derived-cephalic-vein-diameters-on-predicting-successful-use-and-patency-of-arteriovenous-fistulas-for-haemodialysis
#3
S K Kakkos, N Kaplanis, E C Papachristou, S I Papadoulas, G C Lampropoulos, I A Tsolakis, D S Goumenos
OBJECTIVE: To investigate the significance of inflow artery and cephalic vein diameters on predicting patency of radiocephalic and brachiocephalic arteriovenous fistulas (AVFs). DESIGN: Single centre study with retrospective analysis of prospectively collected data between November 2010 and July 2015. METHODS: A detailed history and physical examination was undertaken, including age, gender, history and duration of haemodialysis, cause of chronic kidney disease, and the presence of comorbidities/risk factors...
March 15, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28318007/myocardial-infarction-in-a-neonate-lessons-for-neonatal-and-internal-medicine
#4
Werner Streif
Due to the lack of evidence-based guidelines, management strategies for neonatal MI should be individualized and administered largely at the discretion of responsible treating teams. Supportive care with a focus on preserving adequate circulation and antithrombotic therapy with a view to restoring vascular patency are the mainstays of treatment. Thrombolytic therapy of neonatal MI includes a chance to completely restore myocardial function. Understanding the resilience of the neonatal heart and mechanism of cardiac cell repair in neonates may spark novel treatment strategies for severe MI in the large number of affected individuals in an aging population...
March 20, 2017: Hämostaseologie
https://www.readbyqxmd.com/read/28317626/one-year-survival-is-not-affected-by-gastrointestinal-bleeding-after-percutaneous-coronary-interventions
#5
Kyari Sumayin Ngamdu, Wael El Mallah, Alok Dwivedi, Rabab Mohsin, Sherif Elhanafi, Yi Jia, Luis A Alvarado, Debabrata Mukherjee, Marc J Zuckerman
BACKGROUND: Percutaneous coronary intervention (PCI) has been the main therapy in acute coronary syndromes, and early antithrombotic agents as well as 1-year dual antiplatelet therapy are required for adjuvant therapy. However, the development of post-PCI gastrointestinal (GI) bleeding may increase all-cause mortality. We compared the characteristics and outcomes of patients with GI bleeding within 1 year after PCI to those who did not develop bleeding. METHODS: A retrospective cohort study was conducted using data from 384 PCI procedures performed between January 2011 and December 2013 at our hospital...
April 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28317603/protein-hydrolysates-and-biopeptides-production-biological-activities-and-applications-in-foods-and-health-benefits-a-review
#6
M Nasri
In recent years, a great deal of interest has been expressed regarding the production, characterization, and applications of protein hydrolysates and food-derived biopeptides due to their numerous beneficial health effects. In this regard, research is mainly focused on investigating the therapeutic potential of these natural compounds. Based on their amino acids composition, sequences, hydrophobicity, and length, peptides released from food proteins, beyond their nutritional properties, can exhibit various biological activities including antihypertensive, antioxidative, antithrombotic, hypoglycemic, hypocholesterolemic, and antibacterial activities among others...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28317289/stroke-recurrence-in-patients-with-atrial-fibrillation-concomitant-carotid-artery-stenosis-doubles-the-risk
#7
H Lehtola, K E J Airaksinen, P Hartikainen, J E K Hartikainen, A Palomäki, I Nuotio, A Ylitalo, T Kiviniemi, P Mustonen
BACKGROUND AND PURPOSE: Atrial fibrillation (AF) and significant carotid artery stenosis (CAS) often coexist in patients with acute stroke but whether CAS affects the stroke recurrence rate in anticoagulated AF patients is largely unknown. The effect of concomitant CAS on both short- and long-term prognosis after stroke in patients with AF was evaluated. METHODS: The multicentre, retrospective FibStroke registry included AF patients with an ischaemic stroke or transient ischaemic attack (TIA) during 2003-2012...
March 20, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28306610/30-day-potentially-avoidable-readmissions-due-to-adverse-drug-events
#8
Olivia Dalleur, Patrick E Beeler, Jeffrey L Schnipper, Jacques Donzé
OBJECTIVE: To analyze the patterns of potentially avoidable readmissions due to adverse drug events (ADEs) to identify the most appropriate risk reduction interventions. METHODS: In this observational study, we analyzed a random sample of 534 potentially avoidable 30-day readmissions from 10,275 consecutive discharges from the medical department of an academic hospital. Readmissions due to ADEs were reviewed to identify the causative drugs and the severity and interventions to prevent them...
March 17, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28303632/the-comparative-safety-and-effectiveness-of-bivalirudin-versus-heparin-monotherapy-in-patients-on-dialysis-undergoing-percutaneous-coronary-intervention-insights-from-the-blue-cross-blue-shield-of-michigan-cardiovascular-consortium
#9
Devraj Sukul, Milan Seth, Theodore Schreiber, Akshay Khandelwal, Louis A Cannon, Thomas A LaLonde, Hitinder S Gurm
BACKGROUND: Dialysis patients are at a higher risk of bleeding after percutaneous coronary intervention (PCI); however, due to their exclusion from randomized clinical trials, the optimal antithrombotic regimen for this population remains unknown. We sought to evaluate the comparative safety and effectiveness of bivalirudin monotherapy versus unfractionated heparin (UFH) monotherapy in dialysis patients undergoing PCI. METHODS: We included dialysis patients who underwent PCI in a multicenter registry between January 2010 and September 2015 at 47 Michigan hospitals...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28302280/blunt-cerebrovascular-injury-in-children
#10
Stephen J Fenton, Robert J Bollo
Blunt cerebrovascular injury in children is an uncommon occurrence that if missed and left untreated can result in devastating long-term neurologic consequences. Diagnosis can be readily obtained by a computed tomographic angiogram of the head and neck. If confirmed, treatment with antithrombotic therapy dramatically reduces the risk of a cerebrovascular accident. The difficulty lies in determining which child should be screened for such an injury. Several institutions have come up with criteria for screening...
February 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28299338/antithrombotic-effect-and-mechanism-of-radix-paeoniae-rubra
#11
Pingyao Xie, Lili Cui, Yuan Shan, Wen-Yi Kang
The compounds of Radix Paeoniae Rubra (RPR) were isolated and identified by bioassay-guided method, and antithrombotic effects and mechanism were investigated by the acute blood stasis rat model. The RPR extract was evaluated by APTT, TT, PT, and FIB assays in vitro. Results indicated that RPR extract exhibited the anticoagulant activity. In order to find active compounds, six compounds were isolated and identified, and four compounds, paeoniflorin (Pae), pentagalloylglucose (Pen), albiflorin (Ali), and protocatechuic acid (Pro), exhibited the anticoagulant activity in vitro...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28297055/any-use-for-alternative-lock-solutions-in-the-prevention-of-catheter-related-blood-stream-infections
#12
Laura Labriola, Jean-Michel Pochet
The prevention of catheter-related blood stream infections (CRBSI) in hemodialysis (HD) patients remains a challenge because of high morbidity and mortality associated to CRBSI. Alternative locking solutions (ALS) containing an antithrombotic substance with additional antimicrobial or antibiofilm properties (citrate, ethylenediaminetetraacetic acid [EDTA], 70% ethanol, thrombolytics) with or without the addition of molecules with specific antimicrobial activity (antibiotics, taurolidine, paraben-methylene-blue) has been proposed with the aim to prevent or eradicate intraluminal biofilm colonization and subsequent CRBSI...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28295638/effect-of-direct-oral-anticoagulants-on-the-risk-of-delayed-bleeding-after-gastric-endoscopic-submucosal-dissection
#13
Toshiyuki Yoshio, Hideomi Tomida, Ryuichiro Iwasaki, Yusuke Horiuchi, Masami Omae, Akiyoshi Ishiyama, Toshiaki Hirasawa, Yorimasa Yamamoto, Tomohiro Tsuchida, Junko Fujisaki, Takuya Yamada, Eiji Mita, Tomoyuki Ninomiya, Kojiro Michitaka, Masahiro Igarashi
OBJECTIVES: Anticoagulants are used to prevent thromboembolic event. Direct oral anticoagulants (DOACs) are our new choice; however, their effect on the bleeding risk for endoscopic treatment has not been reported. We aimed to assess the clinical effect of DOACs compared to warfarin for gastric endoscopic submucosal dissection (ESD). METHODS: We retrospectively studied 97 patients on anticoagulants treated 108 gastric neoplasms with ESD in three referral institutes...
March 10, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28294063/cerebral-microbleeds-do-not-predict-hemorrhagic-transformation-in-acute-ischemic-stroke-patients-with-atrial-fibrillation-and-or-rheumatic-heart-disease
#14
Junfeng Liu, Deren Wang, Jie Li, Jing Lin, Yao Xiong, Bian Liu, Chenchen Wei, Bo Wu, Zhenxing Ma, Shihong Zhang, Ming Liu
Background and Purpose Cerebral microbleeds (CMBs) are known to be potential risk factors for intracerebral hemorrhage (ICH), but there is controversy on the relationship between CMBs and hemorrhagic transformation (HT) after ischemic stroke. Besides, the question regarding whether the relationship between CMBs and HT can be affected by antithrombotic drugs in acute stage of ischemic stroke has not yet reached a consensus. Methods 174 acute ischemic stroke patients with atrial fibrillation (AF) and/or rheumatic heart disease (RHD) were prospectively and consecutively enrolled in the study, of which 160 patients (mean 68...
March 13, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28291892/association-of-preceding-antithrombotic-treatment-with-acute-ischemic-stroke-severity-and-in-hospital-outcomes-among-patients-with-atrial-fibrillation
#15
Ying Xian, Emily C O'Brien, Li Liang, Haolin Xu, Lee H Schwamm, Gregg C Fonarow, Deepak L Bhatt, Eric E Smith, DaiWai M Olson, Lesley Maisch, Deidre Hannah, Brianna Lindholm, Barbara L Lytle, Michael J Pencina, Adrian F Hernandez, Eric D Peterson
Importance: Antithrombotic therapies are known to prevent stroke for patients with atrial fibrillation (AF) but are often underused in community practice. Objectives: To examine the prevalence of patients with acute ischemic stroke with known history of AF who were not receiving guideline-recommended antithrombotic treatment before stroke and to determine the association of preceding antithrombotic therapy with stroke severity and in-hospital outcomes. Design, Setting, and Participants: Retrospective observational study of 94 474 patients with acute ischemic stroke and known history of AF admitted from October 2012 through March 2015 to 1622 hospitals participating in the Get With the Guidelines-Stroke program...
March 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28289746/advances-in-anticoagulation-management-of-patients-undergoing-cardioversion-of-nonvalvular-atrial-fibrillation
#16
Georgios Benetos, Maria Bonou, Konstantinos Toutouzas, Panagiotis Diamantopoulos, Nora Viniou, John Barbetseas
Atrial fibrillation (AF) is a major cause of stroke. The restoration of sinus rhythm through cardioversion, either chemical or electrical is a common practice. Interestingly, there is an incremental increase from the baseline risk for embolisation in the immediate post-cardioversion period, with most events occurring within 10 days from cardioversion. Especially patients with recent onset AF show the lowest rates of antithrombotic therapy, while having a high stroke risk. Despite the increased risk for embolisation, anticoagulation in patients undergoing cardioversion of atrial fibrillation is often inadequate...
March 14, 2017: Hämostaseologie
https://www.readbyqxmd.com/read/28289668/the-efficacy-of-laparoscopic-cholecystectomy-without-discontinuation-in-patients-on-antithrombotic-therapy
#17
Jong Hyuk Yun, Hae Il Jung, Hyoung Uk Lee, Moo-Jun Baek, Sang Ho Bae
PURPOSE: Laparoscopic cholecystectomy (LC) is one of the most commonly performed surgeries in the world today. However, there is no consensus regarding whether LC can be performed in patients with acute cholecystitis while on antithrombotic therapy. The objective of our study was to describe postoperative outcomes of patients who underwent emergent LC without interruption to antithrombotic therapy. METHODS: We performed a retrospective review of patients who underwent LC for acute cholecystitis while on antithrombotic therapy from 2010 to 2015 at Soonchunhyang Universtiy Cheonan Hospital...
March 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28289241/symptomatic-patients-remain-at-substantial-risk-of-arterial-disease-complications-before-and-after-endarterectomy-or-stenting
#18
Cristina Hobeanu, Philippa C Lavallée, Peter M Rothwell, Leila Sissani, Gregory W Albers, Natan M Bornstein, Louis R Caplan, Geoffrey A Donnan, José M Ferro, Michael G Hennerici, Julien Labreuche, Carlos Molina, Philippe Gabriel Steg, Pierre-Jean Touboul, Shinichiro Uchiyama, Éric Vicaut, Lawrence K S Wong, Pierre Amarenco
BACKGROUND AND PURPOSE: After carotid endarterectomy (CEA) or carotid artery stenting (CAS) in patients with transient ischemic attack or minor ischemic stroke, recurrent stroke risk falls to a low rate on modern medical treatment. METHODS: We used data from 4583 patients with recent transient ischemic attack or minor stroke enrolled in the TIAregistry.org to perform a nested case-control analysis to evaluate pre- and post-CEA/CAS risk. Cases were defined as patients with a CEA/CAS during the 1-year follow-up period...
March 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28286764/phase-i-and-phase-ii-therapies-for-acute-ischemic-stroke-an-update-on-currently-studied-drugs-in-clinical-research
#19
REVIEW
Cesar Reis, Onat Akyol, Wing Mann Ho, Camila Araujo, Lei Huang, Richard Applegate Ii, John H Zhang
Acute ischemic stroke is a devastating cause of death and disability, consequences of which depend on the time from ischemia onset to treatment, the affected brain region, and its size. The main targets of ischemic stroke therapy aim to restore tissue perfusion in the ischemic penumbra in order to decrease the total infarct area by maintaining blood flow. Advances in research of pathological process and pathways during acute ischemia have resulted in improvement of new treatment strategies apart from restoring perfusion...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28286694/highly-stereoselective-biocatalytic-synthesis-of-key-cyclopropane-intermediate-to-ticagrelor
#20
Kari E Hernandez, Hans Renata, Russell D Lewis, S B Jennifer Kan, Chen Zhang, Jared Forte, David Rozzell, John A McIntosh, Frances H Arnold
Extending the scope of biocatalysis to important non-natural reactions such as olefin cyclopropanation will open new opportunities for replacing multi-step chemical syntheses of pharmaceutical intermediates with efficient, clean, and highly selective enzyme-catalyzed processes. In this work, we engineered the truncated globin of Bacillus subtilis for the synthesis of a cyclopropane precursor to the antithrombotic agent ticagrelor. The engineered enzyme catalyzes the cyclopropanation of 3,4-difluorostyrene with ethyl diazoacetate on a preparative scale to give ethyl-(1R, 2R)-2-(3,4-difluorophenyl)-cyclopropanecarboxylate in 79% yield, with very high diastereoselectivity (>99% dr) and enantioselectivity (98% ee), enabling a single-step biocatalytic route to this pharmaceutical intermediate...
November 4, 2016: ACS Catalysis
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