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https://www.readbyqxmd.com/read/27905477/atrial-fibrillation-a-safe-alternative-to-warfarin-plus-dapt-after-pci
#1
Dario Ummarino
No abstract text is available yet for this article.
December 1, 2016: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/27905013/impact-of-stent-type-and-prolonged-dual-antiplatelet-therapy-on-long-term-clinical-outcomes-in-hemodialysis-patients-with-coronary-artery-disease
#2
Masahiko Asami, Jiro Aoki, Tatsuyuki Sato, Shuzou Tanimoto, Mika Watanabe, Yu Horiuchi, Koichi Furui, Kentaro Yasuhara, Yu Sato, Takuya Hashimoto, Sen Yachi, Kazuhiro Hara, Kengo Tanabe
The aim of this study was to address 7-year clinical outcomes and impact of prolonged dual antiplatelet therapy (DAPT) after coronary stenting in hemodialysis patients. Our study included 123 consecutive hemodialysis patients who had undergone percutaneous coronary intervention with a drug-eluting stent (DES) or bare-metal stent (BMS) (DES: 64, BMS: 59) in our institution. We compared long-term clinical outcomes following DES with BMS implantation as well as clinical outcomes in patients on DAPT for ≥1 year (DAPT on group, 89) with those on DAPT for <1 year (DAPT off group, 34)...
November 30, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27901002/shorter-versus-longer-duration-dual-antiplatelet-therapy-in-patients-with-diabetes-mellitus-undergoing-drug-eluting-stents-implantation-a-meta-analysis-of-randomized-controlled-trials
#3
He Huang, Ya Li, Yu Chen, Guo-Sheng Fu
BACKGROUND: Patients with diabetes mellitus (DM) have a higher risk of thromboembolic events; however, the optimal duration of dual antiplatelet therapy (DAPT) remains unclear. The goal of this study was to assess the efficacy and safety of various DAPT durations in patients with DM undergoing drug-eluting stent implantation. METHODS: We conducted a literature search for randomized controlled trials (RCTs). We searched databases including EMBASE, PubMed, Cochrane Library, and Scopus up to June 2016...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27899203/bioresorbable-scaffold-implantation-in-patients-with-indication-for-oral-anticoagulation-a-propensity-matched-analysis
#4
Niklas F Boeder, Victoria Johnson, Oliver Dörr, Jens Wiebe, Albrecht Elsässer, Helge Möllmann, Christian W Hamm, Holger M Nef, Timm Bauer
OBJECTIVES: To examine ischemic and bleeding outcomes in patients on triple antithrombotic therapy (TAT) compared with dual antiplatelet therapy (DAPT) after the implantation of bioresorbable scaffolds (BRS). BACKGROUND: The optimal antithrombotic regimen in patients undergoing percutaneous coronary intervention that have an indication for oral anticoagulation is unclear, in particular among those undergoing BRS implantation. METHODS: Consecutive patients of a single-center, all-comers BRS registry were included...
November 24, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27886825/antiplatelet-and-antithrombotic-therapy-in-patients-with-atrial-fibrillation-undergoing-coronary-stenting
#5
REVIEW
Mikhail S Dzeshka, Richard A Brown, Davide Capodanno, Gregory Y H Lip
Stroke prevention is the main priority in the management cascade of atrial fibrillation. Most patients require long-term oral anticoagulation (OAC) and may require percutaneous coronary intervention. Prevention of recurrent cardiac ischemia and stent thrombosis necessitate dual antiplatelet therapy (DAPT) for up to 12 months. Triple antithrombotic therapy with OAC plus DAPT of shortest feasible duration is warranted, followed by dual antithrombotic therapy of OAC and antiplatelet agent, and OAC alone after 12 months...
January 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/27886820/optimal-duration-of-dual-antiplatelet-therapy-after-percutaneous-coronary-intervention
#6
REVIEW
Arjun Majithia, Deepak L Bhatt
Dual antiplatelet therapy (DAPT) is an essential component of treatment in patients with coronary artery disease treated with percutaneous coronary intervention (PCI). Recommendations for duration of DAPT after PCI should consider patient-specific risk, clinical presentation, stent characteristics, and procedural factors. Prolonged DAPT results in a reduction of stent thrombosis (ST) and myocardial infarction (MI) at the cost of increased bleeding. Studies of shorter-duration DAPT demonstrate similar mortality, MI, ST, and less bleeding when compared with longer DAPT duration...
January 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/27886192/phytanic-acid-attenuates-insulin-like-growth-factor-1-activity-via-nitric-oxide-mediated-%C3%AE-secretase-activation-in-rat-aortic-smooth-muscle-cells-possible-implications-for-pathogenesis-of-infantile-refsum-disease
#7
Gursev S Dhaunsi, Mayra Alsaeid, Saghir Akhtar
BACKGROUND: Infantile Refsum disease (IRD), a peroxisomal disease with defective phytanic acid oxidation, causes neurological impairment and development delay. Insulin-like growth factor-1 (IGF-1) regulates child development and to understand molecular mechanism(s) of IRD, we examined the effect of PA on IGF-1 activity. METHODS: BrdU incorporation was measured in rat aortic smooth muscle cell (SMC) cultures following treatment with fetal bovine serum (FBS), basic fibroblast growth factor (bFGF), platelet-derived growth factor (PDGF) or IGF-1 in the absence or presence of PA...
November 25, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27885830/extended-dual-antiplatelet-therapy-after-acute-coronary-syndrome-in-spain-results-from-the-epicor-study
#8
Alfredo Bardají, Manuel Leal, Vicente Arrarte, Xavier Garcia-Moll, Leopoldo Pérez de Isla, Héctor Bueno
INTRODUCTION: Real-world, country-specific studies of dual antiplatelet therapy (DAPT) duration among survivors of acute coronary syndrome (ACS) are important for improving long-term prognosis. AIMS: To investigate DAPT duration after hospital discharge for ACS in Spain. RESULTS: Data from patients enrolled in the Spanish cohort of the EPICOR (long-tErm follow-up of antithrombotic management Patterns In acute CORonary syndrome patients) study (NCT01171404) were analyzed for changes to antithrombotic medication up to 2 years post-discharge according to index event diagnosis and patient characteristics...
November 25, 2016: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/27885511/does-anticoagulation-therapy-prevent-thrombosis-in-coronary-stent-grafts
#9
Yuki Honda, Kohei Wakabayashi, Takayasu Suzuki, Hiroshi Suzuki
A polytetrafluoroethylene (PTFE)-covered stent was deployed for enlarging coronary aneurysms in a 73-year-old man. Optical coherence tomography (OCT) and coronary angioscopy performed 3 months later revealed naked stent struts and thin patches of red thrombi covering the PTFE membrane even under dual antiplatelet therapy (DAPT). After 5-month warfarin administration under DAPT, OCT and angioscopy showed a clear extinction of the thin patches of red thrombi on the PTFE membrane and stent struts, although most of the struts were still naked...
November 24, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27881555/recurrent-hospitalization-among-patients-with-atrial-fibrillation-undergoing-intracoronary-stenting-treated-with-2-treatment-strategies-of-rivaroxaban-or-a-dose-adjusted-oral-vitamin-k-antagonist-treatment-strategy
#10
C Michael Gibson, Duane S Pinto, Gerald Chi, Douglas Arbetter, Megan Yee, Roxana Mehran, Christoph Bode, Jonathan Halperin, Freek W A Verheugt, Peter Wildgoose, Paul Burton, Martin van Eickels, Serge Korjian, Yazan Daaboul, Purva Jain, Gregory Y H Lip, Marc Cohen, Eric D Peterson, Keith A A Fox
BACKGROUND: -Patients with atrial fibrillation who undergo intracoronary stenting traditionally are treated with a vitamin K antagonist (VKA) plus dual antiplatelet therapy (DAPT), yet this treatment leads to high risks of bleeding. We hypothesized that a regimen of rivaroxaban plus a P2Y12 inhibitor monotherapy or rivaroxaban plus DAPT could reduce bleeding and thereby have a favorable impact on all-cause mortality and the need for rehospitalization. METHODS: -Stented subjects with nonvalvular atrial fibrillation (n=2124) were randomized 1:1:1 to administration of reduced-dose rivaroxaban 15 mg daily plus a P2Y12 inhibitor for 12 months (group 1); rivaroxaban 2...
November 14, 2016: Circulation
https://www.readbyqxmd.com/read/27878968/proprotein-convertase-inhibition-promotes-ciliated-cell-differentiation-a-potential-mechanism-for-the-inhibition-of-notch1-signalling-by-decanoyl-rvkr-chloromethylketone
#11
Sang-Nam Lee, In-Suk Choi, Hyun Jun Kim, Eun Jin Yang, Hyun Jin Min, Joo-Heon Yoon
Chronic repetitive rounds of injury and repair in the airway lead to airway remodelling, including ciliated cell loss and mucous cell hyperplasia. Airway remodelling is mediated by many growth and differentiation factors including Notch1, which are proteolytically processed by proprotein convertases (PCs). The present study evaluated a novel approach for controlling basal cell-type determination based on the inhibition of PCs. It was found that decanoyl-RVKR-chloromethylketone (CMK), a PC inhibitor, promotes ciliated cell differentiation and has no effect on the ciliary beat frequency in air-liquid interface (ALI) cultures of human nasal epithelial cells (HNECs)...
November 22, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27870977/longitudinal-treatment-patterns-with-adp-receptor-inhibitors-after-myocardial-infarction-insights-from-the-canadian-observational-antiplatelet-study
#12
Akshay Bagai, Tracy Y Wang, Shaun G Goodman, Harold N Fisher, Robert C Welsh, Jean-Pierre Dery, Xiang Zhang, Yajun E Zhu, Asim N Cheema, Payam Dehghani, Saleem A Kassam, John Ducas, Neil Brass, Hahn Hoe Kim, Anthony Fung, Erick Schampaert, Ata Ur Rehman Quraishi, Shamir R Mehta
BACKGROUND: After myocardial infarction (MI) treated with percutaneous coronary intervention (PCI), guidelines recommend dual antiplatelet therapy (DAPT) with aspirin and an ADP receptor inhibitor (ADPri) for at least 1year. However, whether real-world Canadian practice patterns reflect this recommendation is unknown. METHODS: We studied 2175 MI patients treated with PCI and discharged from 26 Canadian hospitals between 12/2011 and 05/2013 in the Canadian Observational Antiplatelet sTudy (COAPT)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27867593/duration-of-dual-antiplatelet-therapy-dapt-a-call-for-personalized-medicine
#13
EDITORIAL
Usman Tahir, Robert W Yeh
No abstract text is available yet for this article.
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27865441/long-term-versus-short-term-dual-antiplatelet-therapy-was-similarly-associated-with-a-lower-risk-of-death-stroke-or-infarction-in-patients-with-acute-coronary-syndrome-regardless-of-underlying-kidney-disease
#14
Juan-Jesus Carrero, Christoph Varenhorst, Karin Jensevik, Karolina Szummer, Bo Lagerqvist, Marie Evans, Jonas Spaak, Claes Held, Stefan James, Tomas Jernberg
Scarce and conflicting evidence exists on whether clopidogrel is effective and whether dual antiplatelet treatment (DAPT) is safe in patients with acute coronary syndrome and chronic kidney disease (CKD). To study this, we performed an observational, prospective, multicenter cohort study of 36,001 patients of the SWEDEHEART registry. The exposure was DAPT prolonged after 3 months versus DAPT stopped at 3 months in consecutive patients with acute coronary syndrome and known serum creatinine. DAPT duration with clopidogrel and aspirin was assessed by dispensed tablets...
November 16, 2016: Kidney International
https://www.readbyqxmd.com/read/27861873/notch-signaling-pathway-regulates-angiogenesis-via-endothelial-cell-in-3d-co-culture-model
#15
Dan Zhao, Changyue Xue, Shiyu Lin, Sirong Shi, Qianshun Li, Mengting Liu, Xiaoxiao Cai, Yunfeng Lin
This study aimed to investigate the role of Notch signaling pathway for angiogenesis in a three-dimensional (3D) collagen gel model with co-culture of adipose-derived stromal cells (ASCs) and endothelial cells (ECs). A 3D collagen gel model was established in vitro by implanting both ASCs from green fluorescent protein-labeled mouse and ECs from red fluorescent protein-labeled mouse, and the phenomena of angiogenesis with Notch signaling inducer Jagged1, inhibitor DAPT and PBS, respectively were observed by confocal laser scanning microscopy...
November 10, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27860195/long-term-outcomes-in-patients-with-acute-coronary-syndromes-related-to-prolonging-dual-antiplatelet-therapy-more-than-12-months-after-coronary-stenting
#16
Neil J Wimmer, Alyssa B Dufour, Kelly Cho, David R Gagnon, Lien Quach, Samantha Ly, Jacquelyn-My Do, Simon Ostrowski, J Michael Gaziano, David P Faxon, Scott Kinlay
OBJECTIVES: To assess the impact of stent type on the risk of death or myocardial infarction (MI) related to dual antiplatelet therapy (DAPT) more than 12 months (prolonged DAPT) versus 12 or less months after PCI for an acute coronary syndrome (ACS). BACKGROUND: The recent DAPT study reported lower recurrent ischemic events from prolonged DAPT in patients treated with PCI for an ACS, but was underpowered to determine the impact of stent type. METHODS: We determined clinical outcomes after PCI for an ACS (median follow-up: DES = 26 months, BMS = 46 months) in 18,484 patients in the Veterans Affairs system treated with first generation drug-eluting stents (DES) or bare-metal stents (BMS)...
November 10, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27853822/endogenously-generated-amyloid-%C3%AE-increases-stiffness-in-human-neuroblastoma-cells
#17
Zhuoyang Lu, Hua Li, Chen Hou, Yunhua Peng, Jiangang Long, Jiankang Liu
Amyloid-β (Aβ) is widely recognized as toxic to neuronal cells. Its deposition on plasma and intracellular membranes and aggregation into amyloid plaques can disturb the composition and physiological function of neurons. Whether a physical property of cells, such as stiffness, is altered by endogenously overexpressed Aβ has not yet been investigated. In this study, we used human neuroblastoma cells stably overexpressing amyloid precursor protein (APP) and its Swedish mutant form (APPswe) to measure the changes in cell stiffness...
November 16, 2016: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/27849188/efficacy-and-safety-of-short-term-%C3%A2-6-months-duration-of-dual-antiplatelet-therapy-after-drug-eluting-stents-a-meta-analysis-of-randomized-controlled-trials
#18
Chun Lin Xiang, Yi Zhen Gong, Long Jia Zeng, Bei Bei Luo, Jian Xu, Yan He
OBJECTIVE: Optimal duration of dual antiplatelet therapy (DAPT) after drug-eluting stent (DES) implantation remains controversial. The present study is an assessment of efficacy and safety of short-term (≤6 months) DAPT after DES implantation in patients with coronary artery disease, especially in important subgroups. METHODS: PubMed, Embase, and the Cochrane Central Register of Controlled Trials were searched for randomized, controlled trials comparing short-term and long-term (>6 months) DAPT after DES implantation...
November 10, 2016: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/27815972/toll-like-receptor-9-expression-and-activation-in-acute-coronary-syndrome-patients-on-dual-anti-platelet-therapy
#19
Kathryn E Hally, Anne C La Flamme, Peter D Larsen, Scott A Harding
INTRODUCTION: The Toll-like receptor 9 (TLR9) pathway can activate platelets but its role in acute coronary syndromes (ACS) is unknown. This study examined TLR9 expression and platelet activation in response to ODN2006, a TLR9 agonist, in healthy subjects and in ACS subjects treated with dual anti-platelet therapy (DAPT). MATERIALS AND METHODS: TLR9 expression was examined in both resting and thrombin receptor activator peptide (TRAP)-activated platelets (1 and 10μM) from healthy and ACS subjects by flow cytometry...
October 29, 2016: Thrombosis Research
https://www.readbyqxmd.com/read/27811064/short-term-versus-long-term-dual-antiplatelet-therapy-after-implantation-of-drug-eluting-stent-in-patients-with-or-without-diabetes-systematic-review-and-meta-analysis-of-individual-participant-data-from-randomised-trials
#20
Giuseppe Gargiulo, Stephan Windecker, Bruno R da Costa, Fausto Feres, Myeong-Ki Hong, Martine Gilard, Hyo-Soo Kim, Antonio Colombo, Deepak L Bhatt, Byeong-Keuk Kim, Marie-Claude Morice, Kyung Woo Park, Alaide Chieffo, Tullio Palmerini, Gregg W Stone, Marco Valgimigli
OBJECTIVE:  To compare clinical outcomes between short term (up to 6 months) and long term (12 months) dual antiplatelet therapy (DAPT) after placement of a drug eluting stent in patients with and without diabetes. DESIGN:  Individual participant data meta-analysis. Cox proportional regression models stratified by trial were used to assess the impact of diabetes on outcomes. DATA SOURCE:  Medline, Embase, and Cochrane databases and proceedings of international meetings searched for randomised controlled trials comparing durations of DAPT after placement of a drug eluting stent...
November 3, 2016: BMJ: British Medical Journal
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