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https://www.readbyqxmd.com/read/28527773/prevalence-management-and-long-term-6-year-outcomes-of-atrial%C3%A2-fibrillation-among-patients-receiving-drug-eluting-coronary-stents
#1
Hyo-In Choi, Jung-Min Ahn, Se Hun Kang, Pil Hyung Lee, Soo-Jin Kang, Seung-Whan Lee, Young-Hak Kim, Cheol Whan Lee, Seong-Wook Park, Duk-Woo Park, Seung-Jung Park
OBJECTIVES: This study sought to investigate the incidence, management, and clinical relevance of atrial fibrillation (AF) during and after percutaneous coronary intervention (PCI) with drug-eluting stents (DES) and evaluate outcomes of different antithrombotic strategies. BACKGROUND: Uncertainty exists regarding the optimal antithrombotic strategy in patients with AF who are undergoing PCI with DES. METHODS: Using a consecutive series of 10,027 patients who underwent DES implantation between 2003 and 2011, we evaluated the overall prevalence and clinical impact of AF...
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28527771/aspirin-versus-aspirin-plus-clopidogrel-as-antithrombotic-treatment-following-transcatheter-aortic-valve-replacement-with-a-balloon-expandable-valve-the-arte-aspirin-versus-aspirin%C3%A2-clopidogrel-following%C3%A2-transcatheter-aortic-valve-implantation-randomized%C3%A2
#2
Josep Rodés-Cabau, Jean-Bernard Masson, Robert C Welsh, Bruno Garcia Del Blanco, Marc Pelletier, John G Webb, Faisal Al-Qoofi, Philippe Généreux, Gabriel Maluenda, Martin Thoenes, Jean-Michel Paradis, Chekrallah Chamandi, Vicenç Serra, Eric Dumont, Mélanie Côté
OBJECTIVE: The aim of this study was to compare aspirin plus clopidogrel with aspirin alone as antithrombotic treatment following transcatheter aortic valve replacement (TAVR) for the prevention of ischemic events, bleeding events, and death. BACKGROUND: Few data exist on the optimal antithrombotic therapy following TAVR. METHODS: This was a randomized controlled trial comparing aspirin (80 to 100 mg/day) plus clopidogrel (75 mg/day) (dual-antiplatelet therapy [DAPT]) versus aspirin alone (single-antiplatelet therapy [SAPT]) in patients undergoing TAVR with a balloon-expandable valve...
May 11, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28526024/protective-effect-on-the-coronary-microcirculation-of-patients-with-diabetes-by-clopidogrel-or-ticagrelor-predict-study-rationale-and-design-a-randomized-multicenter-clinical-trial-using-intracoronary-multimodal-physiology
#3
Enrico Cerrato, Alicia Quirós, Mauro Echavarría-Pinto, Hernan Mejia-Renteria, Andres Aldazabal, Nicola Ryan, Nieves Gonzalo, Pilar Jimenez-Quevedo, Luis Nombela-Franco, Pablo Salinas, Iván J Núñez-Gil, José Ramón Rumoroso, Antonio Fernández-Ortiz, Carlos Macaya, Javier Escaned
BACKGROUND: In diabetic patients a predisposed coronary microcirculation along with a higher risk of distal particulate embolization during primary percutaneous intervention (PCI) increases the risk of peri-procedural microcirculatory damage. However, new antiplatelet agents, in particular Ticagrelor, may protect the microcirculation through its adenosine-mediated vasodilatory effects. METHODS: PREDICT is an original, prospective, randomized, multicenter controlled study designed to investigate the protective effect of Ticagrelor on the microcirculation during PCI in patient with diabetes mellitus type 2 or pre-diabetic status...
May 19, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28523478/anti-gpvi-fab-sar264565-effectively-blocks-gpvi-function-in-ex-vivo-human-platelets-under-arterial-shear-in-a-perfusion-chamber
#4
Peter Florian, Peter Wonerow, Sebastian Harder, Karina Kuczka, Michel Dubar, Jochen Graff
INTRODUCTION: Glycoprotein VI (GPVI) is the major platelet receptor for collagen-mediated platelet adhesion and activation. SAR264565 is an anti-GPVI-Fab, binds to GPVI with high affinity, and blocks GPVI function in human platelets in vitro. METHODS: The effect of SAR26456 on platelet responsiveness in the blood of 21 healthy male subjects was investigated using Sakariassen's ex vivo thrombogenesis perfusion chamber model on a collagen-coated surface under conditions mimicking arterial flow...
May 18, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28515278/critical-role-of-p2y12-receptor-in-regulation-of-th17-differentiation-and-experimental-autoimmune-encephalomyelitis-pathogenesis
#5
Chaoyan Qin, Jinfeng Zhou, Yuan Gao, Weiming Lai, Cuixia Yang, Yingying Cai, Shuai Chen, Changsheng Du
Adenosine 5'-diphosphate is a key endogenous cell-signaling molecule that can activate P2 purinergic receptor family members. ADP-P2Y signaling is reported to be associated with inflammation, but its function in T cell differentiation and autoimmune diseases pathogenesis is unclear. In this study, we found that the P2Y12 receptor was upregulated in the peripheral immune tissues of experimental autoimmune encephalomyelitis (EAE) mice. Deficiency of P2Y12 led to a reduced peak severity and cumulative disease score in EAE mice, followed by a dramatic reduction of leukocyte infiltration and less extensive demyelination...
May 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28511403/a-prospective-analysis-of-drug-interactions-in-patients-of-intensive-cardiac-care-unit
#6
Shipra Jain, Pushpawati Jain, Kopal Sharma, Pushpendra Saraswat
INTRODUCTION: Drug-Drug Interaction (DDI) is a serious concern in cardiac patients due to polypharmacy. AIM: The present study was aimed to identify the potential DDI among hospitalized cardiac patients and evaluate the mechanism and severity of such interactions. MATERIALS AND METHODS: A prospective observational study was conducted in intensive cardiac care unit of a tertiary care hospital for six months. Patients aged 18 years and above and taking two or more drugs were included in the study...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511321/-impact-of-cyp2c19-genotype-and-platelet-function-on-clinical-outcome-in-coronary-atherosclerotic-heart-diseases-patients-received-clopidogrel-post-percutaneous-coronary-intervention
#7
Y Wu, X X Zhang, L Tian, J J Jiang, L Xu, Y L Huang, H Liu, Y S Li
Objective: To analyze association of CYP2C19 genotype and platelet function phenotype and their impact on clinical outcomes including bleeding events of coronary artery disease(CAD) patients received clopidogrel post percutaneous coronary intervention(PCI). Methods: Coronary atherosclerotic heart diseases patients underwent elective PCI and coronary stent implantation in Fuwai hospital were prospectively enrolled during May 2012 to April 2013. Patients were assigned into groups by genotype of CYP2C19 (extensive metabolizers, intermediate metabolizers, and poor metabolizers) and phenotype of platelet function (clopidogrel responders, semi-responders, and non-responders)...
May 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28510709/clopidogrel-instead-of-prasugrel-or-ticagrelor-after-1%C3%A2-month-in-stabilized-acs-patients-back-to-square-one-for-dapt
#8
Peter R Sinnaeve, Frans Van de Werf
No abstract text is available yet for this article.
May 16, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28510646/benefit-of-switching-dual-antiplatelet-therapy-after-acute-coronary-syndrome-the-topic-timing-of-platelet-inhibition-after-acute-coronary-syndrome-randomized-study
#9
Thomas Cuisset, Pierre Deharo, Jacques Quilici, Thomas W Johnson, Stéphanie Deffarges, Clémence Bassez, Guillaume Bonnet, Laurent Fourcade, Jean Philippe Mouret, Marc Lambert, Valentine Verdier, Pierre Emmanuel Morange, Marie Christine Alessi, Jean Louis Bonnet
Aims: Newer P2Y12 blockers (prasugrel and ticagrelor) demonstrated significant ischaemic benefit over clopidogrel after acute coronary syndrome (ACS). However, both drugs are associated with an increase in bleeding complications. The objective of the present study was to evaluate the benefit of switching dual antiplatelet therapy (DAPT) from aspirin plus a newer P2Y12 blocker to aspirin plus clopidogrel 1 month after ACS. Methods and results: We performed an open-label, monocentric, and randomized trial...
May 16, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28507998/effects-of-pre-injury-anti-platelet-agents-on-short-term-outcome-of-patients-with-mild-traumatic-brain-injury-a-cohort-study
#10
Davood Farsi, Parviz Karimi, Mani Mofidi, Babak Mahshidfar, Mahdi Rezai, Peyman Hafezimoghadam, Saeed Abbasi
OBJECTIVE: To determine the effects of pre-injury consumption of anti-platelet agents on the 30-day outcomes of patients with mild traumatic brain injury (TBI). METHODS: This prospective cohort study was conducted at three general hospitals in Tehran, Iran between July 2013 and July 2014. The study population included all patients with mild TBI aged over 18 years that medicated with aspirin or clopidogrel before occurring trauma. Within hospitalization, all patients were assessed with respect to in-hospital conditions especially complications and adverse events...
April 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/28507476/effect-of-clopidogrel-on-the-hydroxylation-and-sulfoxidation-of-omeprazole-a-single-dose-study-in-healthy-human-volunteers
#11
Lateef Ahmad, Zafar Iqbal, Shabnam Nazir, Abad Khan, Yasar Shah, Muhammad Imran Khan, Ismail Khan, Amjad Khan
Based upon the known potential interaction between omeprazole (OMP) and clopidogrel (CLOP), the current study was designed to evaluate the effect of CLOP on disposition of OMP and its two major metabolites, 5-hydroxyomeprazole (5-OH-OMP) and omeprazole sulfone (OMP-S) in healthy clinical subjects. A randomized, open label, 2-period, crossover study was designed. Twelve volunteers were selected, of whom eight were extensive metabolizers (EM) of CYP2C19 and 4 were poor metabolizers (PM). They received single dose of OMP either alone or in combination with CLOP (single dose) and samples were collected periodically to calculate various pharmacokinetic parameters...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28506579/-initial-management-of-st-elevation-myocardial-infarction-in-2014-from-guidelines-to-practices-survey-of-176-french-interventional-cardiologists
#12
E Capilla, R Poyet, A-V Tortat, F-X Brocq, F Pons, S Kerebel, C Jego, G R Cellarier
BACKGROUND: Real life management of myocardial infarction has not recently been evaluated in France. AIMS: To describe ST-elevation myocardial infarction management in France in 2014 and to compare it with current guidelines. METHODS: A multicentre study was performed. An e-mail questionnaire was sent to French interventional cardiologists. Demographic data of interventional cardiologists, procedural aspects of percutaneous coronary intervention, antithrombotic treatments and patient rehabilitation have been investigated...
May 12, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28497845/comparison-of-dual-antiplatelet-therapy-versus-oral-anticoagulation-following-transcatheter-aortic-valve-replacement-a-retrospective-single-center-registry-analysis
#13
Erik W Holy, Julia Kebernik, Abdelhakim Allali, Mohamed El-Mawardy, Gert Richardt, Mohamed Abdel-Wahab
BACKGROUND: The choice of optimal antithrombotic regimen after transcatheter aortic valve replacement (TAVR) remains a matter of debate. The objective of this study was to compare both efficacy and safety outcomes based on the type of antithrombotic therapy prescribed after TAVR METHODS: This is a retrospective analysis of 514 consecutive patients treated with either dual antiplatelet therapy (DAPT) (n = 315; 61.3%) or oral anticoagulation (OAC) plus clopidogrel (n = 199; 38.7%) for a minimum of 3 month after TAVR followed by antiplatelet monotherapy or OAC only, respectively...
May 12, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28495896/percutaneous-coronary-intervention-of-saphenous-vein-graft
#14
Björn Redfors, Philippe Généreux, Bernhard Witzenbichler, Thomas McAndrew, Jamie Diamond, Xin Huang, Akiko Maehara, Giora Weisz, Roxana Mehran, Ajay J Kirtane, Gregg W Stone
BACKGROUND: Percutaneous coronary intervention (PCI) of saphenous vein grafts (SVGs) has historically been associated with a high risk of adverse ischemic events, but there is a paucity of contemporary data on the second-generation drug-eluting stent use within SVG, and the relative importance of high platelet reactivity (HPR) in SVG PCI versus native lesion PCI is unknown. We studied ischemic and bleeding events after SVG PCI and their association with HPR. METHODS AND RESULTS: Subjects in the prospective, multicenter ADAPT-DES study (Assessment of Dual Antiplatelet Therapy With Drug-Eluting Stents) were stratified according to whether they had PCI of an SVG or a non-SVG lesion...
May 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28495432/changes-in-coagulation-and-platelet-activation-markers-following-transcatheter-left-atrial-appendage-closure
#15
Josep Rodés-Cabau, Gilles O'Hara, Jean-Michel Paradis, Mathieu Bernier, Tania Rodriguez-Gabella, Ander Regueiro, Kim O'Connor, Jonathan Beaudoin, Rishi Puri, Mélanie Côté, Jean Champagne
The recommendations for antithrombotic treatment after left atrial appendage closure (LAAC) remain empirical, and no data exist on the changes in hemostatic markers associated with LACC. The objective of the present study is to determine the presence, degree, and timing of changes in the markers of platelet and coagulation activation after LAAC. Forty-three patients (mean age 76 ± 9 years, 23 men) with atrial fibrillation who underwent successful LACC with the Watchman (n = 27) or Amplatzer Cardiac Plug (n = 16) devices were included in the study...
April 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28491438/isolated-unilateral-absence-of-the-right-pulmonary-artery-in-two-cats-visualized-by-computed-tomography-angiography
#16
Tyler Jm Jordan, Brian A Scansen, Agnieszka M Kent, Lora S Hitchcock, Duncan S Russell
CASE SERIES SUMMARY: Two cats were evaluated for progressive exercise intolerance, dyspnea and unilateral infiltrate of the left lung. Computed tomography angiography (CTA) revealed absence of the right pulmonary artery in both cats with systemic arterial collateral vessels perfusing the right segmental pulmonary arteries. In one case, the collateral vessels arose from the esophageal artery, while in the other case they derived off the right costocervical trunk. One cat was diagnosed with pulmonary hypertension and was euthanized owing to progressive respiratory distress despite medical management with sildenafil, pimobendan, clopidogrel and furosemide...
July 2016: JFMS Open Rep
https://www.readbyqxmd.com/read/28489475/antithrombotic-strategies-for-preventing-long-term-major-adverse-cardiovascular-events-in-patients-with-non-valvular-atrial-fibrillation-who-undergo-percutaneous-coronary-intervention
#17
Manan Pareek, Deepak L Bhatt, Jürrien M Ten Berg, Steen D Kristensen, Erik L Grove
Balancing the risk of recurrent ischemia and bleeding among patients with non-valvular atrial fibrillation who undergo percutaneous coronary intervention (PCI) is challenging. Postprocedural antithrombotic therapy aims to reduce the risk related to coronary artery disease, stent placement, and atrial fibrillation, with acceptable risks of bleeding. Areas Covered: This brief review summarizes evidence and recommendations related to long-term antithrombotic strategies in such patients. An overview of the findings from recent meta-analyses and select observational studies is provided, and important completed and ongoing randomized trials are described in detail...
May 10, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28489130/impact-of-coronary-intensive-care-unit-in-treatment-of-myocardial-infarction
#18
Marcia Cristina Todo, Carolina Marabesi Bergamasco, Paula Schmidt Azevedo, Marcos Ferreira Minicucci, Roberto Minoru Tanni Inoue, Marina Politi Okoshi, Sergio Rupp de Paiva, Leonardo Mamede Zornoff, Bertha Furlan Polegato
Introduction: The mortality rate attributed to ST-segment elevation myocardial infarction (STEMI) has decreased in the world. However, this disease is still responsible for high costs for health systems. Several factors could decrease mortality in these patients, including implementation of cardiac intensive care units (CICU). The aim of this study was to evaluate the effect of CICU implementation on prescribed recommended treatments and mortality 30 days after STEMI. Method: We performed a retrospective study with patients admitted to CICU between 2005 and 2006 (after group) and between 2000 and 2002, before CICU implementation (before group)...
March 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28488405/dollars-and-stents-a-brave-new-world
#19
EDITORIAL
Sandeep K Krishnan, Larry S Dean
Reimbursement in the healthcare system is shifting from pure volume to a mixed volume/value-based metric. Using complex statistical modeling to adjust for unknowns, the study provides real world data that the use of Co-Cr EES is more cost effective than BMS assuming that clinicians select clopidogrel for P2Y12 inhibition. More cost-effectiveness analyses should be conducted to guide the use of ever costlier novel medical devices and drugs.
May 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28487152/effects-of-ticagrelor-on-neointimal-hyperplasia-and-endothelial-function-compared-with-clopidogrel-and-prasugrel-in-a-porcine-coronary-stent-restenosis-model
#20
Hyun Kuk Kim, Myung Ho Jeong, Kyung Seob Lim, Jung Ha Kim, Han Chul Lim, Min Chul Kim, Young Joon Hong, Sung Soo Kim, Keun-Ho Park, Kyoung-Sig Chang
BACKGROUND: Several investigations have been conducted to evaluate the off-target effects of ticagrelor. The aim of the present study was to evaluate the off-target effects of ticagrelor such as neointimal formation and endothelial function after drug-eluting stent implantation in a porcine restenosis model. METHODS: A total of 30 pigs were randomly allocated based on the following P2Y12 inhibitor: (1) clopidogrel 300mg loading plus 75mg maintenance (n=10); (2) prasugrel 60mg loading plus 10mg maintenance (n=10); (3) ticagrelor 180mg loading plus 180mg maintenance (n=10)...
May 3, 2017: International Journal of Cardiology
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