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https://www.readbyqxmd.com/read/28783201/validation-of-the-dapt-score-in-patients-randomized-to-6-or-12-months-clopidogrel-after-predominantly-second-generation-drug-eluting-stents
#1
Yukinori Harada, Jonathan Michel, Raphaela Lohaus, Katharina Mayer, Roberto Emmer, Anna Lena Lahmann, Roisin Colleran, Daniele Giacoppo, Annabelle Wolk, Jurrien M Ten Berg, Franz-Josef Neumann, Yaling Han, Tom Adriaenssens, Ralph Tölg, Melchior Seyfarth, Michael Maeng, Bernhard Zrenner, Claudius Jacobshagen, Jochen Wöhrle, Sebastian Kufner, Tanja Morath, Tareq Ibrahim, Isabell Bernlochner, Marcus Fischer, Heribert Schunkert, Karl-Ludwig Laugwitz, Julinda Mehilli, Robert A Byrne, Adnan Kastrati, Stefanie Schulz-Schüpke
The DAPT score is a recently-proposed decision tool for guiding optimal duration of dual antiplatelet therapy (DAPT). It showed modest accuracy in prior derivation and validation cohorts of patients with ≥12 months DAPT. This study was aimed to evaluate the validity of the DAPT score in a cohort of patients with 6 or 12 months DAPT after implantation of predominantly second-generation drug-eluting stents. We analyzed data of patients enrolled in the ISAR-SAFE trial. Patients were classified into low (<2) or high (≥2) DAPT score groups...
July 27, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28782166/highly-regioselective-alkylation-of-hexabenzocoronenes-fundamental-insights-into-the-covalent-chemistry-of-graphene
#2
Johannes Holzwarth, Konstantin Y Amsharov, Dmitriy I Sharapa, David Reger, Kateryna Roshchyna, Dominik Lungerich, Norbert Jux, Frank Hauke, Timi Clark, Andreas Hirsch
In this article, we have successfully employed hexa-peri-hexabenzocoronides (HBC) as a model system for investigating the complex mechanism of the reductive functionalization of graphene. The well-defined molecular HBC system enabled us to gain deeper insights into the mechanism of the alkylation of reductively activated nanographenes. The separation and complete characterization of alkylation products clearly demonstrates that nanographene functionalization proceeds with exceptionally high regio- and stereoselectivities on the HBC scaffold...
August 6, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28780839/-feasibility-and-value-of-index-of-microcirculatory-resistance-in-patients-with-acute-myocardial-infarction-after-primary-percutaneous-coronary-intervention
#3
J L Han, L Y He, M Cui, Y Z Zhang, X B Liu, X Y Xu, Y P Wang, F F Wang, G S Wang, J Niu, F C Zhang, L Mi, L J Guo, W Gao
Objective: To evaluate the feasibility of detecting index of microcirculatory resistance (IMR) and the relationship between IMR and left ventricular (LV) systolic function after acute myocardial infarction (AMI) undergoing primary percutaneous coronary intervention (PCI). Methods: The patients with first AMI received primary PCI in Peking University Third Hospital were enrolled from January 2014 to March 2016. IMR were measured immediately after PCI by using pressure/temperature wire. The relationship between IMR and left ventricular ejection fraction (LVEF) assessed by echocardiography at first day and 6 months after admission was evaluated...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28776067/determinants-of-survival-and-favorable-neurologic-outcomes-in-ischemic-heart-disease-treated-by-veno-arterial-extracorporeal-membrane-oxygenation
#4
Keisuke Yonezu, Kenichi Sakakura, Yusuke Watanabe, Yousuke Taniguchi, Kei Yamamoto, Hiroshi Wada, Shin-Ichi Momomura, Hideo Fujita
Overall mortality and neurologic outcome of patients treated by veno-arterial extracorporeal membrane oxygenation (V-A ECMO) was still not satisfactory. The aim of this study was to clarify the determinants of survival and favorable neurologic outcomes in patients with ischemic heart disease (IHD) treated by V-A ECMO. We identified IHD patients who received V-A ECMO, and divided those patients into the survived and the in-hospital death group. Multivariate logistic regression analysis was performed to identify the determinants of survival and favorable neurologic outcomes...
August 3, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28771445/influence-of-angiographic-spontaneous-coronary-reperfusion-on-long-term-prognosis-in-patients-with-st-segment-elevation-myocardial-infarction
#5
Xiaoming Li, Boyu Li, Jing Gao, Yunfei Wang, Song Xue, Dachuan Jiang, Qi Hua, Jing Li
OBJECTIVE: To explore the influence of angiographic spontaneous coronary reperfusion (SR) on the short- and long-term outcomes in patients with ST-segment elevation myocardial infarction (STEMI). MATERIALS AND METHODS: Consecutive patients diagnosed as STEMI and undergoing emergent coronary angiography from January 2009 to August 2010 in a single center were enrolled. Patients whose initial coronary blood flow met Thrombolysis in Myocardial Infarction (TIMI) grade 3 were regarded as angiographic SR...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28770092/association-of-admission-testosterone-level-with-st-segment-resolution-in-male-patients-with-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention
#6
Ahmad Separham, Samad Ghaffari, Bahram Sohrabi, Naser Aslanabadi, Mozhgan Hadavi Bavil, Hasanali Lotfollahi
BACKGROUND: Low level of testosterone may be associated with cardiovascular diseases in men, as some evidence suggests a protective role for testosterone in cardiovascular system. Little is known about the possible role of serum testosterone in response to reperfusion therapy in ST-elevation myocardial infarction (STEMI) and its relationship with ST-segment recovery. The present study was conducted to evaluate the association of serum testosterone levels with ST-segment resolution following primary percutaneous coronary intervention (PPCI) in male patients with acute STEMI...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/28766162/intramyocardial-dissecting-hematoma-in-anterior-wall-st-elevation-myocardial-infarction-impact-on-left-ventricular-remodeling-and-prognosis
#7
Letizia Spinelli, Eugenio Stabile, Giuseppe Giugliano, Carmine Morisco, Caterina Anna Giudice, Massimo Imbriaco, Mario Santoro, Giovanni Esposito, Bruno Trimarco
Intramyocardial dissecting hematoma is an uncommon complication of myocardial infarction potentially leading to cardiac rupture. The aim of the present study was to investigate coronary reperfusion results, left ventricular (LV) function recovery and remodeling and clinical outcomes in patients with anterior STEMI complicated by intramyocardial hematoma. We prospectively studied 87 patients (mean age 59 ± 10 years; 88% male) with anterior STEMI (42 with intramyocardial hematoma) in order to evaluate coronary reperfusion results, LV remodeling (≥15% increase in end-systolic volume) and clinical outcomes (cardiac death, non-fatal reinfarction, and hospitalization for congestive heart failure) at 24 months...
August 1, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28758060/early-speckle-tracking-echocardiography-predicts-left-ventricle-remodeling-after-acute-st-segment-elevation-myocardial-infarction
#8
Donato Mele, Marianna Nardozza, Elisabetta Chiodi
BACKGROUND: Prediction of the left ventricular remodeling (LVR) after ST-segment elevation myocardial infarction (STEMI) in patients treated with effective myocardial reperfusion is challenging. METHODS: Forty-one consecutive patients (36 males, age 59 ± 10 years) with STEMI who underwent effective (TIMI III) primary coronary angioplasty were enrolled. All patients had an echocardiography and cardiac magnetic resonance (CMR) study within 72 h from revascularization...
July 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28753643/pharmacogenetic-meta-analysis-of-baseline-risk-factors-pharmacodynamic-efficacy-and-tolerability-endpoints-from-two-large-global-cardiovascular-outcomes-trials-for-darapladib
#9
Astrid Yeo, Li Li, Liling Warren, Jennifer Aponte, Dana Fraser, Karen King, Kelley Johansson, Allison Barnes, Colin MacPhee, Richard Davies, Stephanie Chissoe, Elizabeth Tarka, Michelle L O'Donoghue, Harvey D White, Lars Wallentin, Dawn Waterworth
Darapladib, a lipoprotein-associated phospholipase A2 (Lp-PLA2) inhibitor, failed to demonstrate efficacy for the primary endpoints in two large phase III cardiovascular outcomes trials, one in stable coronary heart disease patients (STABILITY) and one in acute coronary syndrome (SOLID-TIMI 52). No major safety signals were observed but tolerability issues of diarrhea and odor were common (up to 13%). We hypothesized that genetic variants associated with Lp-PLA2 activity may influence efficacy and tolerability and therefore performed a comprehensive pharmacogenetic analysis of both trials...
2017: PloS One
https://www.readbyqxmd.com/read/28750695/cost-effectiveness-of-long-term%C3%A2-ticagrelor-in-patients-with-prior-myocardial-infarction-results-from-the-pegasus-timi-54-trial
#10
Elizabeth A Magnuson, Haiyan Li, Kaijun Wang, Katherine Vilain, Ali Shafiq, Marc P Bonaca, Deepak L Bhatt, Marc Cohen, Philippe Gabriel Steg, Robert F Storey, Eugene Braunwald, Marc S Sabatine, David J Cohen
BACKGROUND: In patients with a myocardial infarction (MI) 1 to 3 years earlier, treatment with ticagrelor + low-dose aspirin (ASA) reduces the risk of cardiovascular (CV) death, MI, or stroke compared with low-dose aspirin alone, but at an increased risk of major bleeding. OBJECTIVES: The authors evaluated cost-effectiveness of ticagrelor + low-dose ASA in patients with prior MI within the prior 3 years. METHODS: The authors performed a prospective economic substudy alongside the PEGASUS-TIMI 54 (Prevention of Cardiovascular Events in Patients With Prior Heart Attack Using Ticagrelor Compared to Placebo on a Background of Aspirin-Thrombolysis In Myocardial Infarction 54) trial, which randomized 21,162 patients to ASA alone, ticagrelor 60 mg twice daily + low-dose ASA, or ticagrelor 90 mg twice daily + low-dose ASA...
August 1, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28744215/safety-and-effectiveness-of-bivalirudin-in-patients-undergoing-percutaneous-coronary-intervention-a-systematic-review-and-meta-analysis
#11
REVIEW
Abdul Hafeez Ahmad Hamdi, Ahmad Fauzi Dali, Thimarul Huda Mat Nuri, Muhammad Syafiq Saleh, Noor Nabila Ajmi, Chin Fen Neoh, Long Chiau Ming, Amir Heberd Abdullah, Tahir Mehmood Khan
Recent clinical trials have shown that while bivalirudin exhibits similar efficacy with heparin, it offers several advantages over heparin, such as a better safety profile. We aimed to evaluate the efficacy and safety of bivalirudin use during Percutaneous Coronary Intervention (PCI) in the treatment of angina and acute coronary syndrome (ACS). We searched the Cochrane Central Register of Controlled Trials (CENTRAL) in the Cochrane Library, PubMed, EMBASE, and Science Direct from January 1980 to January 2016...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28725995/intra-aortic-balloon-pumping-and-thrombocytopenia-in-patients-with-acute-coronary-syndrome-incidence-risk-factors-and-prognosis
#12
Z Sheng, H Zhao, H Yan, S Jiang, Y Guan, Y Zhang, L Song, C Liu, P Zhou, K Liu, J Liu, Y Tan
BACKGROUND: Thrombocytopenia is a frequently encountered phenomenon during intra-aortic balloon pumping (IABP), which may limit its prolonged utilization. The aim of the study was to explore the risk factors and clinical implications of IABP-associated thrombocytopenia in patients with acute coronary syndrome (ACS). METHODS: We retrospectively analyzed the data of 222 patients with ACS undergoing invasive treatment strategy supported by IABP. The incidence and risk factors of IABP-associated thrombocytopenia, and the association between thrombocytopenia and relevant clinical endpoints (in-hospital death, bleeding according to the TIMI scale, and thromboembolic events), were analyzed...
July 19, 2017: Herz
https://www.readbyqxmd.com/read/28714526/different-postconditioning-cycles-affect-prognosis-of-aged-patients-undergoing-primary-percutaneous-coronary-intervention
#13
Jie Zhang, Xin Zhang, Yuqi Cui, Misbahul Ferdous, Lianqun Cui, Peng Zhao
BACKGROUND: Postconditioning can affect the infarct size in acute myocardial infarction (AMI). However, few studies show an effect of different postconditioning cycles on AMI aged patients. This study sought to assess the effect of different postconditioning cycles on prognosis in aged patients with AMI who underwent primary percutaneous coronary intervention (PCI). METHODS: 74 aged patients were randomly assigned to three groups. Control group; PC-1 group accepted postconditioning 4 cycles of 30 s inflation and 30 s deflation; PC-2 group accepted postconditioning 4 cycles of 60 s...
July 17, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28704506/microfluidic-assay-of-circulating-endothelial-cells-in-coronary-artery-disease-patients-with-angina-pectoris
#14
Shuiyu Chen, Yukun Sun, Kuang Hong Neoh, Anqi Chen, Weiju Li, Xiaorui Yang, Ray P S Han
BACKGROUND: Circulating endothelial cells (CECs) are widely reported as a promising biomarker of endothelial damage/dysfunction in coronary artery disease (CAD). The two popular methods of CEC quantification include the use of immunomagnetic beads separation (IB) and flow cytometry analysis (FC); however, they suffer from two main shortcomings that affect their diagnostic and prognostic responses: non-specific bindings of magnetic beads to non-target cells and a high degree of variability in rare cell identification, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28700405/characterization-of-viability-scarring-and-hibernation-of-the-myocardium-supplied-by-epicardial-coronary-arteries-with-low-flow-grades
#15
Abdallah Al-Mohammad, Murdoch Y Norton, Andrew E Welch, Stephen Walton
OBJECTIVE: The aim of this study was to analyse the relationship between reduced coronary artery flow and myocardial viability, scarring and hibernation. PATIENTS AND METHODS: Coronary flow grades and collateral vessels were scored using the thrombolysis in myocardial infarction trial (TIMI) and the Rentrop and Cohen scoring systems, respectively. N-ammonia and fluorine-18-fluorodeoxyglucose (F-FDG) are the perfusion and metabolic markers on PET, respectively. The left ventricle was divided into three coronary territories...
August 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28674626/implications-of-the-pegasus-timi-54-trial-for-us-clinical-practice
#16
Steven M Bradley, Gregory P Hess, Patrick Stewart, Ehrin J Armstrong, Steven A Farmer, Jason H Wasfy, Javier Alfonso Valle, Amneet Sandhu, Thomas M Maddox
OBJECTIVES: This study aims to determine the proportion of real-world patients with myocardial infarction (MI) who would have been eligible for the PEGASUS-TIMI 54 (Prevention of Cardiovascular Events in Patients with Prior Heart Attack Using Ticagrelor Compared to Placebo on a Background of Aspirin-Thrombolysis in Myocardial Infarction 54) trial, to characterise their current use of P2Y12 inhibitors and to explore the estimated costs and ischaemic event consequences of increasing P2Y12 inhibitor use among these patients...
2017: Open Heart
https://www.readbyqxmd.com/read/28673508/comparison-of-prasugrel-versus-clopidogrel-in-korean-patients-with-acute-myocardial-infarction-undergoing-successful-revascularization
#17
Keun-Ho Park, Myung Ho Jeong, Hyun Kuk Kim, Tae Hoon Ahn, Ki Bae Seung, Dong Joo Oh, Dong-Joo Choi, Hyo-Soo Kim, Hyeon Cheol Gwon, In Whan Seong, Kyung Kuk Hwang, Shung Chull Chae, Kwon-Bae Kim, Young Jo Kim, Kwang Soo Cha, Seok Kyu Oh, Jei Keon Chae
BACKGROUND: Although there have been several reports that prasugrel can improve clinical outcomes, the efficacy and safety of prasugrel is unknown in Korean patients with acute myocardial infarction (AMI) undergoing successful revascularization. METHODS: A total of 4421 patients [637 patients were prescribed prasugrel (60/10 or 5mg, loading/maintenance dose) and 3784 patients clopidogrel (600 or 300/75mg)] with AMI undergoing successful revascularization were enrolled from the core clinical cohort of Korea Acute Myocardial Infarction Registry-National Institute of Health...
June 30, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28670721/age-is-not-a-bar-to-pci-insights-from-the-long-term-outcomes-from-off-site-pci-in-a-real-world-setting
#18
Robert T Gerber, Satpal S Arri, Mohamed O Mohamed, Gurpreet Dhillon, Alykhan Bandali, Idris Harding, Jeremy Gifford, Belinda Sandler, Ben Corbo, Eric McWilliams
OBJECTIVES: We sought to analyze the percutaneous coronary intervention (PCI) outcomes of very elderly patients (V. Eld. group, age >80 years) and compare their outcomes to a less elderly cohort (Eld. group, age 75-80 years) traditionally reported in the literature. BACKGROUND: Limited data exist on peri-procedural and long-term outcomes following PCI in the V. Eld. (age >80 years), with under-representation of this cohort in randomized controlled trials. These patients present with advanced complex coronary disease and multiple comorbidities...
July 2, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28670055/effect-of-thrombus-aspiration-on-angiography-and-outcome-in-patients-undergoing-primary-coronary-angioplasty
#19
Praveen Chacko, Kesavapillai Jayaprakash, Kamarudheenkunju Jameelabeevi Raihanathul Misiriya, Suresh Madhavan, Vasantha Sudha Kumary, Narayanapillai Jayaprasad, Vaikathusseril Lembodaran Jayaprakash, Raju George
Thrombus exerts a major impact on the performance and outcome of primary and rescue interventions in acute ST-elevation myocardial infarction. Although the optimal treatment of thrombotic lesions is still controversial, thrombus aspiration provides an effective method to achieve successful reperfusion during primary angioplasty. We compared clinical and angiographic outcomes in 286 patients with acute ST-elevation myocardial infarction undergoing primary percutaneous transluminal coronary angioplasty (PTCA) and thrombus aspiration with those who underwent conventional PTCA without thrombus aspiration...
July 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28666993/digoxin-use-and-subsequent-clinical-outcomes-in-patients-with-atrial-fibrillation-with-or-without-heart-failure-in-the-engage-af-timi-48-trial
#20
Alon Eisen, Christian T Ruff, Eugene Braunwald, Rose A Hamershock, Basil S Lewis, Christian Hassager, Tze-Fan Chao, Jean Yves Le Heuzey, Michele Mercuri, Howard Rutman, Elliott M Antman, Robert P Giugliano
BACKGROUND: Digoxin is widely used in patients with atrial fibrillation despite the lack of randomized controlled trials. Observational studies report conflicting results regarding its association with mortality, perhaps because of residual confounding by the presence of heart failure (HF). METHODS AND RESULTS: In the ENGAGE AF-TIMI 48 (Effective Anticoagulation With Factor Xa Next Generation in Atrial Fibrillation-Thrombolysis in Myocardial Infarction 48) trial, clinical outcomes of patients with atrial fibrillation with and without HF were examined by baseline digoxin use during a median follow-up of 2...
June 30, 2017: Journal of the American Heart Association
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