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https://www.readbyqxmd.com/read/28529095/understanding-operator-stent-choice-in-the-catheterization-laboratory-using-a-pre-procedure-survey-opportunities-for-quality-improvement
#1
Matthew J Chung, Jonathan D Hansen, Ryan D Schulteis, Joel C Boggan, W Schuyler Jones, Thomas J Povsic, Susan Roberts, Mitchell W Krucoff, Sunil V Rao
OBJECTIVES: We sought to characterize how the perceived risk of early dual antiplatelet therapy (DAPT) discontinuation is incorporated into operator decision-making regarding stent choice, using a simple pre-procedure survey screening for clinical variables that may lead to early DAPT discontinuation. BACKGROUND: Understanding which factors influence operator decision-making regarding stent choice during percutaneous coronary intervention (PCI) could help identify areas for quality improvement...
May 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
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
#2
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
#3
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/28526405/hypoxia-inducible-factor-l%C3%AE-mediates-aggrecan-and-collagen-%C3%AE-expression-via-notch1-signaling-in-nucleus-pulposus-cells-during-intervertebral-disc-degeneration
#4
Zhuochao Liu, Changwei Li, Xiangchao Meng, Yunting Bai, Jin Qi, Jun Wang, Qi Zhou, Weibin Zhang, Xingkai Zhang
Although hypoxia-inducible factor-lα (HIF-lα) has been reported to have an important role in the metabolism and synthesis of the extracellular matrix (ECM) of nucleus pulposus cells (NPCs), the underlying mechanism has not been fully clarified. Here, we show for the first time that NOTCH1 expression is decreased in NPs isolated from degenerated human intervertebral discs (IVDs), as well as in the NPs of NP-specific HIF-1α(-/-) mice. Our study reveals that overexpression of HIF-1α leads to increased expression of NOTCH1, the NOTCH1 ligand JAGGED1, and its target gene hairy and enhancer of split-1 (HES1), while also upregulating collagen Π and aggrecan expression in human NPCs...
May 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28523181/surgery-after-drug-eluting-stent-implantation-it-s-not-all-doom-and-gloom
#5
EDITORIAL
Francesco Saia
Up to 15-23% of the patients with percutaneous coronary intervention (PCI) and drug-eluting stent (DES) implantation need a surgical procedure <12 months from PCI. Perioperative risk stratification in these patients is challenging and should take into account many individual clinical and anatomic variables, along with the intrinsic surgical risk for ischemic and bleeding events. The presence of DES has always been considered as a harbinger of doom. In fact, DES are associated with delayed vascular healing and require longer dual antiplatelet treatment...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28522881/notch-signaling-and-maintenance-of-sox2-expression-in-rat-anterior-pituitary-cells
#6
Khongorzul Batchuluun, Morio Azuma, Ken Fujiwara, Takashi Yashiro, Motoshi Kikuchi
After publication of reports describing the presence of stem/progenitor cells among non-hormone-producing cells in the pituitary, the mechanism responsible for proliferation and differentiation generated considerable interest. Several studies have suggested that Notch signaling is involved. In the present study, we examined the histochemical relationship between Notch signaling molecules and the transcription factor SOX2 in rat pituitary. Combined in situ hybridization and immunohistochemistry showed that Notch2 mRNA and SOX2 were co-expressed at embryonic day 14...
April 27, 2017: Acta Histochemica et Cytochemica
https://www.readbyqxmd.com/read/28516002/transplantation-of-human-embryonic-stem-cell-derived-retinal-cells-into-the-subretinal-space-of-a-non-human-primate
#7
Jennifer R Chao, Deepak A Lamba, Todd R Klesert, Anna La Torre, Akina Hoshino, Russell J Taylor, Anu Jayabalu, Abbi L Engel, Thomas H Khuu, Ruikang K Wang, Maureen Neitz, Jay Neitz, Thomas A Reh
PURPOSE: Previous studies have demonstrated the ability of retinal cells derived from human embryonic stem cells (hESCs) to survive, integrate into the host retina, and mediate light responses in murine mouse models. Our aim is to determine whether these cells can also survive and integrate into the retina of a nonhuman primate, Saimiri sciureus, following transplantation into the subretinal space. METHODS: hESCs were differentiated toward retinal neuronal fates using our previously published technique and cultured for 60 to 70 days...
May 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28512070/very-late-scaffold-thrombosis-is-prolonged-dapt-the-answer
#8
Gregg W Stone
No abstract text is available yet for this article.
May 18, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28512068/potentially-increased-incidence-of-scaffold-thrombosis-in-patients-treated-with-absorb-bvs-who-terminated-dapt-before-18-months
#9
Cordula M Felix, Georgios J Vlachojannis, Alexander J J IJsselmuiden, Jiang M Fam, Peter C Smits, Wouter J Lansink, Roberto Diletti, Felix Zijlstra, Evelyn S Regar, Eric Boersma, Yoshinobu Onuma, Robert J M van Geuns
AIMS: The aim of this study was to investigate the impact of dual antiplatelet therapy (DAPT) termination on late and very late scaffold thrombosis (ScT) in patients treated with the Absorb bioresorbable vascular scaffold (BVS). METHODS AND RESULTS: Data from the registries of three centres were pooled (808 patients). To investigate the effect of DAPT termination on ScT after a minimum of six months, we selected a subgroup ("DAPT study cohort" with 685 patients) with known DAPT status >6 months and excluded the use of oral anticoagulants and early ScT...
May 18, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28511663/basic-fibroblast-growth-factor-reduces-scar-by-inhibiting-the-differentiation-of-epidermal-stem-cells-to-myofibroblasts-via-the-notch1-jagged1-pathway
#10
Peng Wang, Bin Shu, Yingbin Xu, Jiayuan Zhu, Jian Liu, Ziheng Zhou, Lei Chen, Jingling Zhao, Xusheng Liu, Shaohai Qi, Kun Xiong, Julin Xie
BACKGROUND: Basic fibroblast growth factor (bFGF) plays an important role in promoting wound healing and reducing scar, but the possible molecular mechanisms are still unclear. Our previous studies have found that activating the Notch1/Jagged1 pathway can inhibit the differentiation of epidermal stem cells (ESCs) to myofibroblasts (MFB). Herein, we document that bFGF reduces scar by inhibiting the differentiation of ESCs to MFB via activating the Notch1/Jagged1 pathway. METHODS: In in-vitro study, ESCs were isolated from 10 neonatal SD rats (1-3 days old), cultured in keratinocyte serum-free medium, and divided into six groups: bFGF group, bFGF + SU5402 group, bFGF + DAPT group, siJagged1 group, bFGF + siJagged1 group, and control group...
May 16, 2017: Stem Cell Research & Therapy
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
#11
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
#12
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/28504270/antiplatelet-therapy-new-score-for-predicting-bleeding-risk-after-dapt
#13
Bastiaan Zwart, Jurriën M Ten Berg
No abstract text is available yet for this article.
May 15, 2017: Nature Reviews. Cardiology
https://www.readbyqxmd.com/read/28503981/platelet-reactivity-influences-clot-structure-as-assessed-by-fractal-analysis-of-viscoelastic-properties
#14
Rebecca B Knowles, Matthew J Lawrence, Plinio M Ferreira, Melissa A Hayman, Lindsay A D'Silva, Sophie N Stanford, Ahmed Sabra, Arthur T Tucker, Karl M Hawkins, Phylip R Williams, Timothy D Warner, Phillip A Evans
Despite the interwoven nature of platelet activation and the coagulation system in thrombosis, few studies relate both analysis of protein and cellular parts of coagulation in the same population. In the present study, we use matched ex vivo samples to determine the influences of standard antiplatelet therapies on platelet function and use advanced rheological analyses to assess clot formation. Healthy volunteers were recruited following fully informed consent then treated for 7 days with single antiplatelet therapy of aspirin (75 mg) or prasugrel (10 mg) or with dual antiplatelet therapy (DAPT) using aspirin (75 mg) plus prasugrel (10 mg) or aspirin (75 mg) plus ticagrelor (90 mg)...
May 15, 2017: Platelets
https://www.readbyqxmd.com/read/28501493/prophylactic-warfarin-post-anterior-st-elevation-myocardial-infarction-a-systematic-review-and-meta-analysis
#15
Nathaniel Moulson, Stephen A LaHaye, Olivier F Bertrand, Jimmy MacHaalany
OBJECTIVES: To determine the role of warfarin (WF) prophylaxis in the prevention of left ventricular thrombus (LVT) formation and subsequent embolic complications following an anterior ST elevation myocardial infarction (STEMI) complicated by reduced left ventricular ejection fraction (LVEF) and wall motion abnormalities. BACKGROUND: The role of oral anticoagulation prophylaxis, in addition to dual antiplatelet therapy (DAPT), in the current era of percutaneous coronary intervention has not been well studied, despite being a class IIb recommendation in the AHA/ACC STEMI guidelines...
May 9, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28500135/dual-antiplatelet-therapy-continuation-beyond-1-year-after-drug-eluting-stents-a-meta-analysis-of-randomized-trials
#16
Giuseppe Ferrante, Gianluigi Condorelli, Paolo Pagnotta, Bernhard Reimers
BACKGROUND: The benefits and harms of dual antiplatelet therapy (DAPT) continuation beyond 1 year after drug-eluting stent implantation as compared with 1-year DAPT remain controversial. METHODS AND RESULTS: We searched for randomized trials that compared longer than 1-year DAPT versus 1-year DAPT after drug-eluting stenting. A meta-analysis was performed by using standard frequentist and random-effects Bayesian approaches. Four trials comprising 17 650 participants were included...
May 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28498402/effects-of-runx3-mediated-notch-signaling-pathway-on-biological-characteristics-of-colorectal-cancer-cells
#17
Hang Li, Dan Li, Ning Meng
This study investigated the effects of runt-related transcription factor 3 (RUNX3) mediated Notch pathway on the biological behavior of colorectal cancer (CRC) SW260 cells. CRC tissues and para-carcinoma tissues were collected from 182 CRC patients who had undergone surgical treatment between January 2008 and December 2010. Immunohistochemical staining with streptavidin-peroxidase (SP) was used to detect RUNX3, Notch1 and Jagged 1 expression levels. CRC SW260 cells were divided into the following groups: Control group, si-NC group, si-RUNX3 group, DAPT group, si-RUNX3+DAPT group, and si-NC+DAPT group...
May 8, 2017: International Journal of Oncology
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
#18
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/28488370/patients-with-cirrhosis-who-have-coronary-artery-disease-treated-with-cardiac-stents-have-high-rates-of-gastrointestinal-bleeding-but-no-increased-mortality
#19
T Krill, G Brown, R A Weideman, D J Cipher, S J Spechler, E Brilakis, L A Feagins
BACKGROUND: Patients with coronary artery disease (CAD) treated with stents require dual antiplatelet therapy (DAPT). For cirrhotics, who often have varices and coagulopathy, it is not clear if the risk of gastrointestinal bleeding (GIB) should preclude use of DAPT. AIM: To compare GIB and mortality rates in cirrhotics with CAD treated medically or with stents. METHODS: Using institutional databases, we identified patients with cirrhosis and CAD treated with stents or medical therapy between January 2000-September 2015...
May 9, 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28487945/nox4-is-involved-in-high-glucose-induced-apoptosis-in-renal-tubular-epithelial-cells-via-notch-pathway
#20
Min Yao, Feng Gao, Xiaomeng Wang, Yonghong Shi, Shuxia Liu, Huijun Duan
It has previously been demonstrated that nicotinamide adenine dinucleotide phosphate‑oxidase (NADPH) oxidase 4 (Nox4), is important in the pathogenesis of diabetic nephropathy (DN), however the exact mechanisms remain to be elucidated. The present study aimed to examine the effect of Nox4 on the alteration of the Notch pathway and cell apoptosis in the renal tubular epithelial cell line, HKC, under conditions of high glucose (HG; 30 mmol/l glucose). Nox4 and the Notch pathway were inhibited by N‑acetylcysteine (NAC), diphenylene iodonium (DPI) or γ‑secretase inhibitor (DAPT)...
June 2017: Molecular Medicine Reports
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