Journal articleJ Am Med Inform Assoc · May 1, 2026
OBJECTIVE: We conducted the Clinical Registry Extraction and Data Submission (CREDS) project to evaluate the readiness of HL7 Fast Healthcare Interoperability Resources (FHIR) for provisioning data from health information systems for the American College o ...
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Journal articleBMC Med Res Methodol · February 4, 2026
BACKGROUND: Percutaneous coronary intervention (PCI) can be complicated by major adverse cardiovascular events (MACE; death, myocardial infarction [MI], and target vessel revascularization). Statistical models facilitated by machine learning (ML) can impro ...
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Journal articleInt J Transl Med Res Public Health · December 20, 2025
BACKGROUND AND OBJECTIVE: Coordinated Registry Networks (CRNs) are networks of healthcare partners that create and utilize information from clinical society registries and other sources to drive evidence-based improvements in healthcare. In Part I of this ...
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Journal articleInt J Transl Med Res Public Health · December 20, 2025
BACKGROUND AND OBJECTIVE: Over the past decade substantial government and market-driven efforts focused on the use of real-world evidence (RWE) to improve healthcare decision-making. A successful strategy has been mounted by specialty societies and their r ...
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Journal articleAppl Clin Inform · August 2025
The Health Level 7 (HL7) Electronic Health Record Workgroup identified home medication list reconciliation as a prime opportunity to improve patient safety and reduce clinician burden. We developed a platform-neutral, Fast Healthcare Interoperability Resou ...
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Journal articleInt J Transl Med Res Public Health · 2025
BACKGROUND AND OBJECTIVE: Previous work in this series has introduced real-world evidence (RWE), coordinated registry networks (CRNs), and systemic, coordinated, inter-organizational networks (SCIONs) theory. The application of SCIONs theory to CRNs illumi ...
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Journal articlePlatelets · December 2024
Platelets are central to thrombosis. Research at the intersection of biological and physical sciences provides proof-of-concept for shear rate-dependent platelet slip at vascular stenosis and near device surfaces. Platelet slip extends the observed biologi ...
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Journal articlePLOS Digit Health · September 2024
Disparities in pulse oximetry accuracy, disproportionately affecting patients of color, have been associated with serious clinical outcomes. Although many have called for pulse oximetry hardware replacement, the cost associated with this replacement is not ...
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Journal articleValue Health · June 2024
This ISPOR Good Practices report provides a framework for assessing the suitability of electronic health records data for use in health technology assessments (HTAs). Although electronic health record (EHR) data can fill evidence gaps and improve decisions ...
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Journal articleJ Vasc Surg · November 2023
Registry Assessment of Peripheral Interventional Devices (RAPID) initiated the Pathways Program to provide a transparent, collaborative forum in which to pursue insights into multiple unresolved questions on benefit-risk of paclitaxel-coated devices, inclu ...
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Journal articleJACC Cardiovasc Interv · October 23, 2023
Artificial intelligence, computational simulations, and extended reality, among other 21st century computational technologies, are changing the health care system. To collectively highlight the most recent advances and benefits of artificial intelligence, ...
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Journal articleJAMIA Open · July 2022
OBJECTIVES: To support development of a robust postmarket device evaluation system using real-world data (RWD) from electronic health records (EHRs) and other sources, employing unique device identifiers (UDIs) to link to device information. METHODS: To cr ...
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Journal articleHeart · May 25, 2022
Natural language processing (NLP) is a set of automated methods to organise and evaluate the information contained in unstructured clinical notes, which are a rich source of real-world data from clinical care that may be used to improve outcomes and unders ...
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Journal articleCatheter Cardiovasc Interv · February 2022
This document provides an overview of the rationale, development, interpretation, and practical suggestions for implementation of the new Accreditation Council for Graduate Medical Education (ACGME) Interventional Cardiology (IC) Milestones 2.0. Previously ...
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Journal articleMed Devices (Auckl) · 2022
BACKGROUND: The requirement for medical device manufacturers to label their devices with a unique device identifier (UDI) was formalized by the 2013 US Food and Drug Administration Unique Device Identification System Rule. However, parallel regulatory requ ...
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Journal articleBMJ Surg Interv Health Technol · 2022
Obesity continues to be a major public health issue, with more than two-thirds of adults in the USA categorized as overweight or obese. Bariatric surgery is effective and yields durable weight loss; however, few qualified candidates choose to undergo surgi ...
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Journal articleBMJ Surg Interv Health Technol · 2022
OBJECTIVES: Generating and using real-world evidence (RWE) is a pragmatic solution for evaluating health technologies. RWE is recognized by regulators, health technology assessors, clinicians, and manufacturers as a valid source of information to support t ...
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Journal articleCardiovasc Digit Health J · December 2021
BACKGROUND: A decade after the Health Information Technology for Economic and Clinical Health (HITECH) Act, electronic health records (EHRs) largely remain poorly designed and contribute to clinician burnout. OBJECTIVE: The purpose of this study was to und ...
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Journal articleJ Digit Imaging · June 2021
Diagnostic and evidential static image, video clip, and sound multimedia are captured during routine clinical care in cardiology, dermatology, ophthalmology, pathology, physiatry, radiation oncology, radiology, endoscopic procedural specialties, and other ...
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Journal articleJ Vasc Surg · May 2021
BACKGROUND: The Superficial Femoral Artery-Popliteal EvidencE Development Study Group developed contemporary objective performance goals (OPGs) for peripheral vascular interventions (PVI) for superficial femoral artery (SFA)-popliteal artery disease using ...
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Journal articleTher Innov Regul Sci · January 2021
BACKGROUND: Patient registries are organized systems that use observational methods to collect uniform data on specified outcomes in a population defined by a particular disease, condition, or exposure. Data collected in registries often coincide with data ...
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Journal articleMed Devices (Auckl) · 2021
BACKGROUND: The US Food and Drug Administration's Unique Device Identification System Rule of 2013 mandated manufacturers to assign unique device identifiers (UDIs) to their medical devices. Most high-risk (Class III), moderate-risk (Class II) and implanta ...
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Journal articleMed Devices (Auckl) · 2021
Documentation and tracking of supplies, equipment and medical devices is central to operational, financial, and clinical aspects of safe, efficient, and effective patient care. The labeling of medical devices with a unique device identifier (UDI) creates t ...
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Journal articleJ Cardiovasc Pharmacol · August 2020
OBJECTIVE: The natural molecule α-lipoic acid has been shown to be partially cytoprotective through antioxidant and antiapoptotic mechanisms. To obtain an initial assessment of the safety and potential efficacy of a synthetic derivative, CMX-2043, in preve ...
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Journal articleJ Am Med Inform Assoc · June 1, 2020
The novel coronavirus disease-19 (COVID-19) pandemic has altered our economy, society, and healthcare system. While this crisis has presented the U.S. healthcare delivery system with unprecedented challenges, the pandemic has catalyzed rapid adoption of te ...
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Journal articleAm Heart J · September 2019
BACKGROUND: Hybrid revascularization, combining percutaneous coronary intervention (PCI) and coronary artery bypass grafting (CABG), may be used differently across hospitals. How outcomes compare with multivessel PCI is unknown. METHODS: We studied hybrid ...
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Journal articleAMIA Annu Symp Proc · 2019
BACKGROUND: To assess the current state of clinical data interoperability, we evaluated the use of data standards across 38 large professional society registries. METHODS: The analysis included 4 primary components: 1) environmental scan, 2) abstraction an ...
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Journal articleJ Am Coll Cardiol · March 6, 2018
This publication describes uniform definitions for cardiovascular and stroke outcomes developed by the Standardized Data Collection for Cardiovascular Trials Initiative and the U.S. Food and Drug Administration (FDA). The FDA established the Standardized D ...
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Journal articleCirculation · February 27, 2018
This publication describes uniform definitions for cardiovascular and stroke outcomes developed by the Standardized Data Collection for Cardiovascular Trials Initiative and the US Food and Drug Administration (FDA). The FDA established the Standardized Dat ...
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Journal articleJ Am Med Inform Assoc · February 1, 2018
OBJECTIVE: The US Food and Drug Administration (FDA) has recognized the need to improve the tracking of medical device safety and performance, with implementation of Unique Device Identifiers (UDIs) in electronic health information as a key strategy. The F ...
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Journal articleJ Vasc Surg · February 2018
OBJECTIVE: The current state of evaluating patients with peripheral artery disease and more specifically of evaluating medical devices used for peripheral vascular intervention (PVI) remains challenging because of the heterogeneity of the disease process, ...
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Journal articleJ Am Coll Cardiol · January 30, 2018
The current heart failure clinical trial environment is strained by increasing complexity and cost, regulatory requirements, competing demands on stakeholders, implementation challenges, and decreasing patient and investigator participation. To begin the p ...
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Journal articleCirc J · January 25, 2018
BACKGROUND: The current state of evaluating patients with peripheral artery disease and more specifically of evaluating medical devices used for peripheral vascular intervention (PVI) remains challenging because of the heterogeneity of the disease process, ...
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Journal articleHealthc (Amst) · December 2017
The Medical Device Epidemiology Network (MDEpiNet) is a public private partnership (PPP)Â that provides a platform for collaboration on medical device evaluation and depth of expertise for supporting pilots to capture, exchange and use device information fo ...
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Journal articleCirc Cardiovasc Qual Outcomes · August 2017
BACKGROUND: Morbidity and mortality conference is a common educational and quality improvement activity performed in cardiac catheterization laboratories, but best practices for case selection and for maximizing the effectiveness of peer review have not be ...
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Journal articleCirculation · April 4, 2017
The learning healthcare system uses health information technology and the health data infrastructure to apply scientific evidence at the point of clinical care while simultaneously collecting insights from that care to promote innovation in optimal healthc ...
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Journal articleCoron Artery Dis · September 2016
OBJECTIVES: We sought to examine trends in use and outcomes of second-generation drug-eluting stents (DES) across sexes in a contemporary percutaneous coronary intervention (PCI) cohort. BACKGROUND: Sparse female enrollment in trials comparing first-genera ...
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Journal articleCirc Heart Fail · July 2016
BACKGROUND: Contrast media administered during cardiac catheterization can affect hemodynamic variables. However, little is documented about the effects of contrast on hemodynamics in heart failure patients or the prognostic value of baseline and changes i ...
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Journal articleCirc Cardiovasc Genet · April 2016
The process of scientific discovery is rapidly evolving. The funding climate has influenced a favorable shift in scientific discovery toward the use of existing resources such as the electronic health record. The electronic health record enables long-term ...
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Journal articleAm Heart J · January 2016
The MDEpiNet is a public-private partnership between the US Food and Drug Administration's Center for Devices and Radiological Health and participating partners. The PASSION program is an MDEpiNet-sponsored program that aims to demonstrate the goals of MDE ...
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Journal articleJ Am Heart Assoc · July 6, 2015
BACKGROUND: Cardiovascular disease and cancer increasingly coexist, yet relationships between cancer and long-term cardiovascular outcomes post-percutaneous coronary intervention (PCI) are not well studied. METHODS AND RESULTS: We examined stented PCI pati ...
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Journal articleTher Innov Regul Sci · July 2015
Detection of off-target cardiovascular (CV) effects remains a significant challenge to drug development. Documentation of CV events in non-CV trials is often inadequate to interpret imbalances between treatment arms, which may lead to concerns about potent ...
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Journal articleJ Am Coll Cardiol · March 10, 2015
The lack of consistent definitions and nomenclature across clinical trials of novel devices, drugs, or biologics poses a significant barrier to accrual of knowledge in and across peripheral artery disease therapies and technologies. Recognizing this proble ...
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Journal articleAm Heart J · October 2014
BACKGROUND: Although electronic product identification in the consumer sector is ubiquitous, unique identification of medical devices is just being implemented in 2014. To evaluate unique device identifiers (UDIs) in health care, the US Food and Drug Admin ...
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Journal articleEuroIntervention · July 2013
AIMS: We sought to describe the response of the polymer surface of drug-eluting stents (DES) to delivery balloon expansion, including quantitation of any resulting detached microparticles. METHODS AND RESULTS: We expanded the US Food and Drug Administratio ...
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Journal articleJ Am Coll Cardiol · May 7, 2013
Relatively little attention has been focused on standardization of data exchange in clinical research studies and patient care activities. Both are usually managed locally using separate and generally incompatible data systems at individual hospitals or cl ...
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Journal articleClin Transl Sci · December 2012
Collecting and managing data for clinical and translational research presents significant challenges for clinical and translational researchers, many of whom lack needed access to data management expertise, methods, and tools. At many institutions, funding ...
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Journal articleClin Transl Sci · June 2012
Information technology (IT) to support clinical research has steadily grown over the past 10 years. Many new applications at the enterprise level are available to assist with the numerous tasks necessary in performing clinical research. However, it is not ...
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Journal articleAm J Cardiovasc Drugs · April 1, 2012
Antithrombotic therapy is imperative in the management of patients presenting with an acute coronary syndrome (ACS). The combination of antiplatelet therapy in conjunction with antithrombotic therapy has become the standard of care in improving the morbidi ...
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Journal articleAm J Cardiol · March 15, 2012
The prognostic significance of postprocedure sustained ventricular tachycardia or ventricular fibrillation (VT/VF) in patients undergoing primary percutaneous coronary intervention (PPCI) for ST-segment elevation myocardial infarction (STEMI) has rarely be ...
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Journal articleCatheter Cardiovasc Interv · March 1, 2012
OBJECTIVES: This study sought to assess the benefits of a coronary chronic total occlusion CTO recanalization after adjusting for the case-mix and the propensity to undergo the CTO intervention in a population of patients with stable coronary artery diseas ...
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Journal articleAMIA Annu Symp Proc · 2011
The electronic personal health record (PHR) has been championed as a mediator of patient-centered care, yet its usability and utility to patients, key predictors of success, have received little attention. Human-centered design (HCD) offers validated metho ...
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Journal articleStud Health Technol Inform · 2011
BACKGROUND: New data management models are emerging in multi-center clinical studies. We evaluated the incremental costs associated with decentralized vs. centralized models. METHODS: We developed clinical research network economic models to evaluate three ...
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Journal articleJ Am Coll Cardiol · April 6, 2010
OBJECTIVES: The aim of this study was to determine the impact of delay to angioplasty in patients with acute coronary syndromes (ACS). BACKGROUND: There is a paucity of data on the impact of delays to percutaneous coronary intervention (PCI) in patients wi ...
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Journal articleCirculation · February 16, 2010
Featured Publication
BACKGROUND: Eptifibatide reduces major adverse cardiac events in patients with acute coronary syndromes undergoing percutaneous coronary intervention (PCI). Intracoronary bolus administration of eptifibatide may result in higher levels of platelet glycopro ...
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Journal articleAm J Cardiol · January 1, 2010
In the Occluded Artery Trial (OAT), percutaneous coronary intervention (PCI) of an infarct-related artery on days 3 to 28 after acute myocardial infarction was of no benefit compared to medical therapy alone. The present analysis was conducted to determine ...
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Journal articleAdv Ther · November 2009
Featured Publication
Dual antiplatelet therapy with aspirin and clopidogrel is a cornerstone of the management of patients with acute coronary syndromes and following percutaneous coronary intervention. Despite the proven benefits, clear limitations of clopidogrel exist. Prasu ...
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Journal articleJ Interv Cardiol · August 2009
The impact of thienopyridine administration prior to primary stenting in acute myocardial infarction (AMI) has not been well studied. We therefore examined the database from the prospective, multicenter, controlled CADILLAC trial in which 1,036 patients we ...
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Journal articleCan J Cardiol · August 2009
BACKGROUND: The Enhanced Suppression of the Platelet glycoprotein IIb/IIIa Receptor with Integrilin Therapy (ESPRIT) trial compared the use of eptifibatide with placebo in 2064 coronary intervention patients. It was previously reported that Canadian patien ...
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Journal articleJACC Cardiovasc Interv · July 2009
OBJECTIVES: We sought to determine the relationship between red blood cell (RBC) transfusion and clinical outcomes in patients undergoing primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI). BACKGROUND: The implications o ...
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Journal articleCirc Cardiovasc Interv · February 2009
Featured Publication
BACKGROUND: Only limited data describe relationships between stent parameters (length and diameter), adverse events after percutaneous coronary intervention, and effects of platelet glycoprotein IIb/IIIa blockade by stent parameters. METHODS AND RESULTS: I ...
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Journal articleCatheter Cardiovasc Interv · December 1, 2008
OBJECTIVE: The aim of this article is to examine whether clopidogrel and ticlopidine treatments produce similar clinical outcomes for patients receiving primary stenting for acute myocardial infarction (AMI). BACKGROUND: Prior studies have yielded conflict ...
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Journal articleAm Heart J · May 2008
Featured Publication
In 2006, the American College of Cardiology, American Heart Association, and Society for Cardiovascular Interventions published the 2005 update of the evidence-based guidelines for the treatment of patients undergoing percutaneous coronary intervention (PC ...
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Journal articleAm J Cardiol · February 15, 2008
The development of atrial fibrillation (AF) in cardiac patients is multifactorial, including not well defined genetic factors. To determine if Asian ethnicity is associated with the development of AF in patients with coronary disease, a meta-analysis was c ...
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Journal articleAm J Cardiol · November 1, 2007
Featured Publication
Adjunctive pharmacotherapy for stabilizing patients with acute coronary syndrome/non-ST-segment elevation myocardial infarction (ACS/NSTEMI) and for subsequent percutaneous coronary intervention (PCI) includes a combination of anticoagulant and antiplatele ...
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Journal articleEur Heart J · July 2007
AIMS: We sought to investigate the impact of multivessel coronary artery disease (CAD) on reperfusion success and prognosis following primary percutaneous coronary intervention (PCI) in patients with acute myocardial infarction (AMI). The influence of mult ...
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Journal articleCatheter Cardiovasc Interv · July 1, 2007
Featured Publication
OBJECTIVES: This analysis sought to investigate the complementary effect of thienopyridine pretreatment and platelet glycoprotein (GP) IIb/IIIa integrin blockade in coronary stent intervention. BACKGROUND: Definitive evidence supporting combined antiplatel ...
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Journal articleAm J Cardiol · April 15, 2007
Despite the well-recognized role of platelets in the pathogenesis of acute myocardial infarction (AMI) and in the vascular responses to angioplasty, the relation between platelet count and outcomes after primary percutaneous coronary intervention (PCI) in ...
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Journal articleAm J Cardiol · April 15, 2007
We examined whether leukocytosis is a negative prognostic factor in patients who underwent primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI), and, if so, determined whether it is associated with impaired myocardial perf ...
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Journal articleAm J Cardiol · January 15, 2007
We evaluated the utility of a routine postprocedure course of unfractionated heparin after primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI) in patients not receiving glycoprotein IIb/IIIa inhibitors. In the CADILLAC st ...
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Journal articleFuture Cardiol · November 2006
In many individuals, the first indicator of atherosclerosis is an acute heart attack, which is often fatal. Despite innovations in medical therapy and interventional cardiology techniques, coronary artery disease continues to be the leading cause of death ...
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Journal articleJ Am Coll Cardiol · October 17, 2006
OBJECTIVES: We aimed to evaluate clinical outcomes among peripheral arterial disease (PAD) patients following percutaneous coronary intervention (PCI). BACKGROUND: A significant proportion of patients with coronary artery disease undergoing PCI have concom ...
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Journal articleJ Interv Cardiol · October 2006
Featured Publication
Substantial controversy exists regarding the optimal pharmacologic cocktail for percutaneous coronary intervention (PCI). The most common approach typically includes aspirin, clopidogrel, unfractionated heparin (or enoxaparin), and (variably) a glycoprotei ...
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Journal articleJ Thromb Thrombolysis · August 2006
BACKGROUND: Distal embolization of thrombotic debris may occur during and after percutaneous coronary intervention (PCI) for acute coronary syndromes. This may lead to impaired microvascular perfusion, myocardial infarction and increased morbidity and mort ...
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Journal articleAm J Cardiol · August 1, 2006
We determined the outcomes of patients with acute ST-segment elevation (STE) myocardial infarction (STEMI) and non-STEMI (NSTEMI) after primary percutaneous coronary intervention (PCI). The prognosis after primary PCI in STEMI has been extensively studied ...
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Journal articleAm Heart J · June 2006
BACKGROUND: The association between infarct artery location, reperfusion success, and clinical outcomes after primary percutaneous coronary intervention (PCI) has not been characterized. We examined the infarct artery-specific impact of epicardial and myoc ...
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Journal articleAm Heart J · June 2006
BACKGROUND: The impact of treatment delays on outcomes after primary percutaneous coronary intervention for acute myocardial infarction is controversial. METHODS: The CADILLAC trial randomized 2082 patients with acute myocardial infarction to stenting vers ...
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Journal articleJ Am Coll Cardiol · March 7, 2006
OBJECTIVES: We examined the prognostic implications of the absolute level and rate of increase of creatine kinase (CK) elevation after primary percutaneous coronary intervention (PCI). BACKGROUND: Peak creatine kinase (CK(peak)) and the rate of CK increase ...
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Journal articleJ Am Coll Cardiol · February 21, 2006
Featured Publication
OBJECTIVES: In order to determine a differential benefit from treatment, we compared the long-term outcome of high-risk versus low-risk patients and evaluated survival free from death or myocardial infarction at one year. BACKGROUND: Newer anticoagulant st ...
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Journal articleJ Surg Orthop Adv · 2006
Clinical pathways, or caremaps, have become key tools for hospitals to streamline patient care. They are most applicable in situations where a high degree of predictability regarding treatment and/or diagnostic intervention is expected. Perceived advantage ...
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Journal articleAm Heart J · January 2006
BACKGROUND: The prognostic importance of obesity after primary percutaneous coronary intervention (PCI) in patients with acute myocardial infarction (AMI) is unknown. We therefore sought to investigate the impact of body mass index (BMI) in patients with A ...
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Journal articleAMIA Annu Symp Proc · 2006
Featured Publication
Limited prospective data exist that define advantages and disadvantages of text-based versus graphical user interfaces in Computerized Provider Order Entry (CPOE). We created a single set of admission orders in both formats and, using a randomized crossove ...
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Journal articleAm J Cardiol · December 15, 2005
Baseline features, management, and outcomes of patients who had acute myocardial infarction (AMI) and were excluded from randomized trials of primary percutaneous coronary intervention (PCI) have not been well described. We examined the baseline features a ...
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Journal articleAm J Cardiol · August 15, 2005
Thrombocytopenia that develops after percutaneous coronary intervention (PCI) may result in hemorrhagic complications, requirement for blood product transfusions, and potentially thrombotic or ischemic complications. The incidence and prognostic significan ...
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Journal articleAm Heart J · August 2005
OBJECTIVES: We sought to determine the relationship between cigarette smoking and outcomes after mechanical reperfusion therapy in acute myocardial infarction (AMI). BACKGROUND: Prior studies have found that smokers with AMI have lower mortality rates and ...
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Journal articleAm J Cardiol · August 1, 2005
We evaluated the prognostic effect of baseline left ventricular function and the determinants of its recovery after acute myocardial infarction (AMI) treated by primary angioplasty. Left ventriculography was performed during the index procedure in 1,620 of ...
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Journal articleJ Invasive Cardiol · July 2005
Glycoprotein (GP) IIb/IIIa inhibitors are often used as a rescue or bailout therapy to manage complications arising during percutaneous coronary intervention, rather than as prophylactic treatment. We sought to identify the characteristics and outcomes of ...
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Journal articleJ Am Coll Cardiol · May 3, 2005
OBJECTIVES: We sought to develop a simple risk score for predicting mortality after primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI). BACKGROUND: Accurate risk stratification after primary PCI is important. Previous ri ...
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Journal articleAm J Cardiol · May 1, 2005
Despite guidelines to the contrary, limited numbers of elective percutaneous coronary intervention (PCI) procedures without on-site surgical backup are being performed, particularly in Europe and Canada. In the United States, many hospitals are considering ...
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Journal articleJAMA · April 13, 2005
CONTEXT: The benefits of abciximab in patients with ST-segment elevation myocardial infarction (STEMI) are still a matter of debate. OBJECTIVE: To combine data from all randomized trials conducted with abciximab in STEMI. DATA SOURCES: Formal searches of e ...
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Journal articleCirculation · April 5, 2005
BACKGROUND: Women with acute myocardial infarction (AMI) undergoing primary angioplasty have higher rates of morbidity and mortality than do men. Whether contemporary interventional treatment strategies have improved outcomes for women compared with men is ...
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Journal articleEur Heart J · April 2005
AIMS: ST-segment recovery (SigmaSTR) and myocardial blush (MB) evaluate different elements of microcirculatory integrity after reperfusion therapy in acute myocardial infarction (AMI). We sought to determine whether the combination of SigmaSTR and MB after ...
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Journal articleCatheter Cardiovasc Interv · March 2005
The objectives of this study were to explore the rate of vascular complications using closure devices (CDs) vs. manual compression (MC) among percutaneous coronary intervention (PCI) patients receiving enoxaparin, clopidogrel, aspirin, and GP IIb/IIIa inhi ...
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Journal articleJ Am Coll Cardiol · February 15, 2005
OBJECTIVES: We investigated the impact of diabetes mellitus on myocardial perfusion after primary percutaneous coronary intervention (PCI) utilizing myocardial blush grade (MBG) and ST-segment elevation resolution (STR). BACKGROUND: Diabetes is an independ ...
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Journal articleAm J Cardiol · January 1, 2005
We sought to determine the benefits of stent implantation and abciximab in patients with diabetes mellitus and acute myocardial infarction (AMI) who underwent primary angioplasty. In a 2-by-2 factorial design, 2,082 patients with AMI were randomly assigned ...
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Journal articleAm Heart J · January 2005
BACKGROUND: Adjunctive pharmacotherapy during percutaneous coronary intervention (PCI) has historically consisted of a regimen of antiplatelet agents accompanied by an antithrombin agent, typically unfractionated heparin. Paradoxically, unfractionated hepa ...
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Journal articleAmerican Journal of Cardiology · January 1, 2005
To evaluate the clinical characteristics, risk factors, and outcomes of hypotension in unselected patients who had acute aortic dissection (AAD), we studied 1,073 such patients who were enrolled in the International Registry of Acute Aortic Dissection betw ...
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Journal articleCan J Cardiol · November 2004
BACKGROUND: Practice patterns for percutaneous coronary interventions (PCIs) may differ between Canada and the United States. Few data are available comparing PCI outcomes between the two countries in the era of coronary stenting and adjunctive glycoprotei ...
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Journal articleAm J Cardiol · October 15, 2004
We examined the effect of aspirin use at the time of admission and discharge from a large-scale, prospective multicenter trial of patients who had been treated with primary percutaneous coronary intervention in acute myocardial infarction. ...
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Journal articleAm J Cardiol · October 15, 2004
We sought to identify the predictors and clinical outcomes of early thrombosis after primary angioplasty and stenting for acute myocardial infarction (AMI). Little is known about the correlates and prognosis of acute and subacute thromboses after percutane ...
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Journal articleAm J Cardiol · October 1, 2004
Although randomized trials have clearly demonstrated the clinical efficacy with regimens of platelet glycoprotein IIb/IIIa antagonists that result in >80% inhibition of baseline platelet aggregation in percutaneous coronary intervention (PCI), there are no ...
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Journal articleCirculation · September 21, 2004
BACKGROUND: Biological age is a strong determinant of prognosis in patients with acute myocardial infarction (AMI). We sought to examine the impact of age after primary percutaneous coronary intervention in AMI and to determine whether routine coronary ste ...
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Journal articleJ Am Coll Cardiol · September 15, 2004
OBJECTIVE: This study was done to assess and compare the prognostic significance of multiple methods for measuring ST-segment elevation resolution (STR) following primary percutaneous coronary intervention (PCI). BACKGROUND: Resolution of ST-segment elevat ...
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Journal articleAm J Cardiol · September 1, 2004
In 2,082 patients in the CADILLAC trial, the outcomes of patients presenting during peak hours were compared with those presenting during peak hours (Monday to Friday 8a.m. to 8 p.m., n = 1,047, 51%) were compared with those of patients presenting during o ...
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Journal articleJ Invasive Cardiol · September 2004
We determined the timing of ischemic complications within 30 days after percutaneous coronary intervention (PCI) in patients enrolled in the Enhanced Suppression of the Platelet IIb/IIIa Receptor with Integrilin Therapy (ESPRIT) trial. Complications (death ...
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Journal articleJ Am Coll Cardiol · August 4, 2004
OBJECTIVES: We sought to investigate the impact of anemia in patients with acute myocardial infarction (AMI) undergoing primary percutaneous coronary intervention (PCI). BACKGROUND: The prognostic importance of anemia on primary PCI outcomes is unknown. ME ...
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Journal articleJ Am Coll Cardiol · July 21, 2004
OBJECTIVES: We sought to determine the prognostic importance of myocardial reperfusion after various contemporary interventional strategies in patients with acute myocardial infarction (AMI). BACKGROUND: The frequency, correlates, and clinical implications ...
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Journal articleAm J Cardiol · July 15, 2004
Increased inflammatory markers are associated with a poor prognosis after percutaneous coronary intervention. Leukocytes play a key role in inflammation, and an increase in white blood cell (WBC) counts is a nonspecific marker of inflammation. In patients ...
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Journal articleAm J Cardiol · July 1, 2004
Anemia and renal insufficiency impart an increased risk of mortality in patients with congestive heart failure. There is a paucity of data on the mortality hazard associated with anemia and renal insufficiency in patients undergoing percutaneous coronary i ...
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Journal articleJ Am Coll Cardiol · May 19, 2004
OBJECTIVES: We sought to examine the effect of intravenous beta-blockers administered before primary percutaneous coronary intervention (PCI) on survival and myocardial recovery after acute myocardial infarction (AMI). BACKGROUND: Studies of primary PCI bu ...
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Journal articleJ Am Coll Cardiol · April 21, 2004
OBJECTIVES: We sought to determine the prognostic importance of mitral regurgitation (MR) in patients undergoing percutaneous coronary intervention for acute myocardial infarction (AMI). BACKGROUND: Mitral regurgitation has been associated with a poor prog ...
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Journal articleAm J Cardiol · April 15, 2004
Because of its potential for antigenicity, theoretical concerns related to readministration of abciximab have been raised. We conducted the ReoPro Readministration Registry to assess the efficacy and safety of abciximab readministration. A total of 1,342 p ...
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Journal articleAm Heart J · April 2004
BACKGROUND: Age is a strong independent predictor of outcomes after primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI). Whether lower rates of reperfusion success contribute to the poor prognosis in elderly patients is u ...
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Journal articleJ Interv Cardiol · April 2004
Since the introduction of platelet glycoprotein (GP) IIb/IIIa inhibitors, reports of vascular complications after percutaneous coronary intervention (PCI) have focused on bleeding and the need for surgical repair, whereas specific major vascular complicati ...
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Journal articleCardiology Review · April 1, 2004
We evaluated data from the Enhanced Suppression of the Platelet IIb/IIIa Receptor with Integrilin Therapy (ESPRIT) trial regarding the outcomes of diabetic patients using eptifibatide, a small molecule glycoprotein IIb/IIIa inhibitor. Eptifibatide treatmen ...
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Journal articleAm Heart J · March 2004
BACKGROUND: Investigations of glycoprotein (GP) IIb/IIIa inhibition in primary percutaneous coronary intervention (PCI) have suggested the efficacy of abciximab in improving clinical and angiographic outcomes, but sample-size limitations and variability in ...
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Journal articleAm J Cardiol · February 1, 2004
The importance of sustained patency of the infarct-related artery after primary percutaneous coronary intervention for acute myocardial infarction is controversial. We examined serial measures of left ventricular function and clinical outcomes in 280 patie ...
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Journal articleCurr Pharm Des · 2004
Cumulative scientific evidence gathered over the past ten years has confirmed the role of platelet GP IIb/IIIa inhibitors in reducing ischemic complications of patients undergoing percutaneous coronary intervention (PCI). Recently, mortality data available ...
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Journal articleCirculation · December 9, 2003
BACKGROUND: Both stenting and the glycoprotein IIb/IIIa inhibitor abciximab improve outcomes for patients undergoing primary angioplasty for acute myocardial infarction (AMI). However, the cost-effectiveness of these strategies is unknown. METHODS AND RESU ...
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Journal articleCirculation · December 2, 2003
BACKGROUND: The prognostic importance of renal insufficiency (RI) in patients undergoing primary percutaneous coronary intervention (PCI) for acute myocardial infarction (AMI) has not been well characterized. METHODS AND RESULTS: PCI was performed in 2082 ...
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Journal articleAm J Cardiol · November 1, 2003
The utility of glycoprotein IIb/IIIa receptor inhibitors as a "bail-out" modality after unsuccessful primary percutaneous coronary intervention for acute myocardial infarction is unknown. In the CADILLAC trial, of 1,030 control patients, 62 patients (6.0%) ...
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Journal articleAm J Cardiol · November 1, 2003
The results of bail-out stenting after unsuccessful primary balloon angioplasty compared with routine stenting or successful balloon angioplasty in acute myocardial infarction are unknown. In the CADILLAC trial, 168 of 1,044 patients (16.1%) randomized to ...
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Journal articleAm J Cardiol · October 1, 2003
Early complications may hamper efforts to hasten discharge after primary percutaneous coronary intervention (PCI) for myocardial infarction (MI). Glycoprotein IIb/IIIa inhibitors, by reducing early recurrent ischemia, may aid in these efforts. We examined ...
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Journal articleHeart · October 2003
BACKGROUND: Raised inflammatory markers are associated with worse outcome after percutaneous coronary interventions (PCI). An increase in the white blood cell (WBC) count is a non-specific response to inflammation. We hypothesised that a raised baseline WB ...
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Journal articleJ Am Coll Cardiol · September 17, 2003
OBJECTIVES: The aim of this study was to discern a target range of anticoagulation for enoxaparin during percutaneous coronary intervention (PCI) as measured by the Rapidpoint ENOX (Pharmanetics Inc., Morrisville, North Carolina), a new point-of-care test. ...
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Journal articleJ Am Coll Cardiol · September 17, 2003
OBJECTIVES: We sought to compare outcomes between patients with acute myocardial infarction (AMI) undergoing percutaneous transluminal coronary angioplasty (PTCA) with an optimal or "stent-like" result versus patients who underwent routine stent placement. ...
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Journal articleCirculation · September 16, 2003
BACKGROUND: Trials of platelet glycoprotein IIb/IIIa inhibitors as adjuncts to primary percutaneous coronary intervention for acute myocardial infarction (MI) have shown improved early clinical and angiographic outcomes with treatment. However, variations ...
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Journal articleAm J Cardiol · September 15, 2003
We performed a cumulative meta-analysis of available studies to evaluate the effect of intravenous platelet glycoprotein (GP) IIb/IIIa antagonists on survival at 30 days and 6 months after percutaneous coronary intervention (PCI). Compounds that block the ...
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Journal articleJ Interv Cardiol · August 2003
The effects of beta blocker therapy in the settings of heart failure and coronary artery disease have been well described, although little data exist in patients presenting with acute coronary syndromes undergoing percutaneous coronary intervention. The cu ...
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Journal articleJ Interv Cardiol · April 2003
Rarely is it straightforward to specify the design and parameters of a clinical trial investigating an alternative therapy where effective therapies already exist. If existing therapeutic interventions are highly efficacious, safe, inexpensive, and firmly ...
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Journal articleJ Am Coll Cardiol · February 5, 2003
OBJECTIVES: We evaluated the relationship between the degree of heparin anticoagulation and clinical efficacy and bleeding in patients undergoing contemporary percutaneous coronary intervention (PCI) with stent implantation. BACKGROUND: Despite universal a ...
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Journal articlePlastic Surgical Nursing · January 1, 2003
Point-of-care determination of the activated clotting time (ACT) has become the standard of care in a number of clinical situations. The authors converted from ACT done by the Hemochron 801 analyzer, which uses tubes containing either celite, kaolin, or gl ...
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Journal articleAm J Cardiol · January 1, 2003
The role of platelet glycoprotein IIb/IIIa inhibitor therapy in patients with mild renal impairment is not well characterized. Our objective was to explore the associations of creatinine clearance (CrCl) with outcomes in a trial of eptifibatide therapy in ...
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Journal articleThe American journal of cardiology · January 2003
Abciximab decreases adverse cardiac ischemic events, and in some subgroups, decreases the need for revascularization after percutaneous coronary intervention (PCI). However, abciximab may cause bleeding complications and thrombocytopenia after PCI. We hypo ...
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Journal articleDev Biol (Basel) · 2003
The clinical consequences of immune antibodies generated to abciximab (ReoPro) and infliximab (Remicade) are described. Abciximab, a chimaeric Fab fragment that binds to the beta3 integrin of the GPIIb/IIIa and alphavbeta3 receptors on human platelets, is ...
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Journal articleAm J Cardiol · January 1, 2003
Abciximab decreases adverse cardiac ischemic events, and in some subgroups, decreases the need for revascularization after percutaneous coronary intervention (PCI). However, abciximab may cause bleeding complications and thrombocytopenia after PCI. We hypo ...
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Journal articleCatheter Cardiovasc Interv · December 2002
We analyzed vascular access site bleeding from the EPIC, EPILOG, and EPISTENT trials to quantify the decrease in vascular bleeding complications in these three trials, especially those attributable to abciximab. The incidence of combined major and minor va ...
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Journal articleAm J Cardiol · November 1, 2002
In the Evaluation of Platelet IIb/IIIa Inhibition in Stenting Trial (EPISTENT), abciximab reduced ischemic complications of stent implantation at 30 days and 6 months. The responsible mechanisms remain unclear. We sought to determine if abciximab decreases ...
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Journal articleMinerva Cardioangiol · October 2002
Percutaneous coronary angioplasty and stenting is widely used for the treatment of patients with coronary artery disease. Glycoprotein (GP) IIb-IIIa inhibitors represent a new class of drugs with proven efficacy in reducing ischemic complications of patien ...
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Journal articleJ Am Coll Cardiol · September 18, 2002
OBJECTIVE: The study was done to determine whether eptifibatide, a platelet glycoprotein (GP) IIb/IIIa antagonist, prevents ischemic complications following percutaneous coronary interventions (PCIs) in women as well as in men. BACKGROUND: Eptifibatide red ...
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Journal articleCirculation · September 17, 2002
BACKGROUND: The relative anti-aggregatory effects of currently prescribed platelet glycoprotein IIb/IIIa receptor antagonists during and after percutaneous coronary intervention for acute coronary syndromes have not been established. METHODS AND RESULTS: W ...
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Journal articleAm J Cardiol · September 15, 2002
For patients undergoing nonurgent coronary stent implantation, blockade of the glycoprotein IIb/IIIa receptor with eptifibatide reduces the incidence of ischemic complications. We evaluated the interaction of eptifibatide with diabetes in patients who unde ...
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Journal articleCirculation · September 3, 2002
BACKGROUND: Restenosis after percutaneous coronary intervention (PCI) is a major problem affecting 15% to 30% of patients after stent placement. No oral agent has shown a beneficial effect on restenosis or on associated major adverse cardiovascular events. ...
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Journal articleAm Heart J · September 2002
BACKGROUND: Approximately 50% of percutaneous coronary interventions in the United States are performed with unfractionated heparin and no IIb/IIIa agent. The operator must weigh the risks and benefits of more intensive anticoagulation during these percuta ...
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Journal articleCatheter Cardiovasc Interv · August 2002
Intracoronary stents have markedly improved the short- and long-term safety and efficacy of percutaneous coronary intervention by improving acute gains in luminal dimensions, decreasing abrupt vessel occlusion, and reducing restenosis. At present, nearly 9 ...
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Journal articleExpert Opin Pharmacother · August 2002
The platelet glycoprotein (GP) IIb/IIIa integrin plays a key role in mediating platelet aggregation. Blockade of the platelet GP IIb/IIIa receptor prevents arterial thrombosis in animal models much better than does aspirin. Among the most specific inhibito ...
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Journal articleAm J Med · July 2002
There is considerable evidence supporting the use of platelet glycoprotein IIb/IIIa inhibitors to reduce ischemic complications of percutaneous coronary revascularization. However, long-term follow-up has been limited. In three large-scale randomized trial ...
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Journal articleAm Heart J · July 2002
BACKGROUND: A simple device to rapidly evaluate platelet function may aid in optimizing glycoprotein IIb/IIIa inhibition during percutaneous coronary intervention (PCI). We prospectively studied platelet function in 250 patients receiving abciximab or epti ...
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Journal articleN Engl J Med · March 28, 2002
BACKGROUND: As compared with thrombolytic therapy, primary percutaneous transluminal coronary angioplasty (PTCA) in acute myocardial infarction reduces the rates of death, reinfarction, and stroke, but recurrent ischemia, restenosis, and reocclusion of the ...
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Journal articleJAMA · February 6, 2002
CONTEXT: In the Enhanced Suppression of the Platelet IIb/IIIa Receptor with Integrilin Therapy (ESPRIT) trial, treatment with eptifibatide, a platelet glycoprotein IIb/IIIa integrin blocker, was found to reduce the ischemic complications of nonurgent coron ...
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Journal articleAm Heart J · January 2002
BACKGROUND: The etiology of creatine kinase-myocardial band (CK-MB) release after percutaneous coronary intervention (PCI) remains unclear. The goal of this study was to evaluate the relationship of both epicardial and tissue level perfusion at the complet ...
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Journal articleAm J Cardiol · November 15, 2001
This study describes the dose-exploration phase of the PRIDE trial, an investigation of the clinical pharmacology of higher dose eptifibatide in patients who underwent elective percutaneous coronary intervention (PCI). Outcomes of treatment with the platel ...
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Journal articleAm J Cardiol · November 1, 2001
We sought to determine whether eptifibatide reduces elevation of creatine kinase (CK)-MB isoenzyme release during coronary intervention by preventing angiographic complications, by minimizing the sequelae of angiographic complications once they occur, or b ...
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Journal articleJ Am Coll Cardiol · September 2001
OBJECTIVES: We sought to determine whether eptifibatide decreases the incidence of in-laboratory angiographic complications and to determine the relationship of angiographically evident complications to elevations of creatine kinase-MB (CK-MB) enzyme level ...
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Journal articleCirculation · August 21, 2001
BACKGROUND: Platelet glycoprotein IIb/IIIa blockade with abciximab (ReoPro) improves the clinical outcomes of percutaneous coronary intervention. This registry was conducted to characterize the effects of repeated administration of abciximab during interve ...
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Journal articleCirculation · July 24, 2001
BACKGROUND: Pharmacodynamics of eptifibatide, a cyclic heptapeptide antagonist of platelet glycoprotein IIb/IIIa, are substantially altered by anticoagulants that chelate calcium, resulting in overestimation ex vivo of the in vivo effects of this agent. We ...
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Journal articleJAMA · July 4, 2001
CONTEXT: Abciximab, a potent inhibitor of the platelet glycoprotein IIb/IIIa receptor, reduces thrombotic complications in patients undergoing percutaneous coronary intervention (PCI). Because of its potent inhibition of platelet aggregation, the effect of ...
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Journal articleJ Am Coll Cardiol · June 1, 2001
OBJECTIVES: To predict which patients might not require stent implantation, we identified clinical and angiographic characteristics associated with repeat revascularization after standard balloon angioplasty. BACKGROUND: Stents reduce the risk of repeat re ...
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Journal articleCirculation · May 29, 2001
BACKGROUND: The optimal level of platelet inhibition with a glycoprotein (GP) IIb/IIIa antagonist necessary to minimize thrombotic complications in patients undergoing a percutaneous coronary intervention (PCI) is currently unknown. METHODS AND RESULTS: Fi ...
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Journal articleJAMA · May 16, 2001
CONTEXT: The Enhanced Suppression of the Platelet IIb/IIIa Receptor with Integrilin Therapy (ESPRIT) trial showed the efficacy of adjunctive, double-bolus eptifibatide therapy in reducing ischemic complications of nonurgent coronary stent implantation at 4 ...
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Journal articleCurr Interv Cardiol Rep · February 2001
The ESPRIT (Enhanced Suppression of the Platelet IIb/IIIa Receptor with Integrilin Therapy) trial was a randomized, placebo-controlled trial to assess whether a novel, double-bolus dose of eptifibatide could improve the outcomes of patients undergoing coro ...
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Journal articleAm Heart J · February 2001
BACKGROUND: The platelet function analyzer PFA-100 (Dade Behring, Miami, Fla) evaluates platelet function by determining the time to occlusion of an aperture in a membrane coated with collagen and adenosine diphosphate or epinephrine as whole blood flows u ...
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Journal articleLasers Med Sci · 2001
Excimer laser ablation to remove atherosclerotic plaque has been used for over a decade as a methodology to treat cardiovascular disease. Improvements in the technique and technology of excimer laser angioplasty, coupled with the recognition of new clinica ...
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Journal articleLancet · December 16, 2000
BACKGROUND: The platelet glycoprotein IIb/IIIa inhibitors, although effective in reducing ischaemic complications of percutaneous coronary intervention, are used in few coronary stent implantation procedures. ESPRIT (Enhanced Suppression of the Platelet II ...
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Journal articleCirculation · December 12, 2000
BACKGROUND: In the EPILOG trial (Evaluation in PTCA to Improve Long-term Outcome with abciximab GP IIb/IIIa blockade), abciximab administered with weight-adjusted heparin diminished the risk of ischemic complications within 30 days by 56% among patients un ...
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Journal articleAm Heart J · December 2000
BACKGROUND: Clinical trials of the glycoprotein (GP) IIb/IIIa inhibitors have shown that these potent antiplatelet agents are effective in reducing the ischemic complications of percutaneous coronary interventions. However, even though stents are now impla ...
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Journal articleJ Invasive Cardiol · November 2000
PURPOSE: To determine the effects of the incidental exposure of stents to pulsed 308 nanometer ultraviolet excimer laser energy. METHODS: Five types of 316 L stainless-steel coronary stents were subjected to two types of study. First, for endurance testing ...
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Journal articleJ Am Coll Cardiol · October 2000
Coronary stents reduce the rates of abrupt closure, emergency coronary artery bypass graft surgery and restenosis, but do not prevent myocardial infarction or death at six months. The financial burden of increased stent use and the difficulty in managing i ...
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Journal articleAnn Thorac Surg · August 2000
BACKGROUND: Abciximab during percutaneous coronary revascularization reduces ischemic complications, but concern exists regarding increased bleeding risk should emergency coronary surgical procedures be required. METHODS: Outcomes were assessed among 85 pa ...
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Journal articleJ Am Coll Cardiol · August 2000
OBJECTIVES: We sought to determine the efficacy and safety of platelet glycoprotein IIb/IIIa receptor (GP IIb/IIIa) blockade with abciximab in women undergoing percutaneous coronary intervention. BACKGROUND: Although gender differences in response to plate ...
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Journal articleCurr Interv Cardiol Rep · August 2000
Abciximab is a monoclonal antibody fragment that blocks the platelet glycoprotein IIb/IIIa receptor and is increasingly used as an adjunct to percutaneous coronary intervention. Because some patients will return for additional revascularization procedures, ...
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Journal articleAnn Thorac Surg · August 2000
BACKGROUND: Lymph node metastases are the most significant prognostic factor in localized non-small cell lung cancer (NSCLC). Nodal micrometastases may not be detected. Identification of the first nodal drainage site (sentinel node) may improve detection o ...
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Journal articleAm Heart J · July 2000
BACKGROUND: Thrombocytopenia is infrequently associated with abciximab therapy but may contribute to hemorrhagic risk. Factors associated with development of thrombocytopenia, the role of weight-adjustment in concomitant heparin administration, and clinica ...
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Journal articleAm J Cardiol · May 1, 2000
Abciximab has been shown to decrease adverse outcomes after percutaneous coronary interventions, but it is unclear whether this beneficial effect is more or less pronounced with specific devices. This study sought to determine the relative magnitude of the ...
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Journal articleCatheter Cardiovasc Interv · April 2000
Bailout stenting for major dissection and threatened closure has high rates of ischemic complications. We performed a randomized trial of local heparin delivery using the infusion sleeve before bailout stenting for suboptimal angioplasty results. In phase ...
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Journal articleAm J Cardiol · February 15, 2000
Although coronary stenting has been shown to be effective, retrospective studies have suggested that stents do not provide better results than angioplasty in small coronary arteries. We sought to examine procedural, in-hospital, and long-term outcomes of p ...
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Journal articleAm J Cardiol · February 15, 2000
We studied both the time course and risk factors for adverse clinical events after percutaneous coronary intervention (PCI). Such information is critical to clinical decision-making, but scant quantitative data exist to describe the time course of these ad ...
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Journal articleAm J Cardiol · February 15, 2000
Abciximab, an Fab monoclonal antibody fragment that blocks the platelet glycoprotein IIb/IIIa receptor, is increasingly used as an adjunct to coronary intervention. Little is known, however, about the efficacy and safety of readministration of abciximab. T ...
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Journal articleAm Heart J · February 2000
Randomized clinical trials of glycoprotein IIb/IIIa integrin inhibition during percutaneous coronary intervention and as adjunctive treatment of acute coronary syndromes have shown impressive clinical efficacy in reducing the morbidity and mortality rates ...
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Journal articleJournal of Interventional Cardiology · January 1, 2000
To identify predictors of Palmaz-Schatz in-stent restenosis and determine outcomes of treatment, we assessed 6-month outcomes in 402 patients who had coronary intervention with stent placement; 60 (15%) developed angiographic and clinical evidence of reste ...
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Journal articleCoron Artery Dis · December 1999
In a few short years, platelet glycoprotein IIb/IIIa receptor antagonists have been developed from laboratory curiosities to critical treatment adjuncts to the successful performance of PCI. With more than 15,000 patients participating in trials of these a ...
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Journal articleExpert Opin Investig Drugs · November 1999
Platelet aggregation is intimately involved in the pathophysiology of acute coronary syndromes. Blockade of the platelet glycoprotein IIb/IIIa receptor, the mediator of platelet aggregation induced by all physiologic agonists, prevents arterial thrombosis ...
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Journal articleAm Heart J · November 1999
BACKGROUND: Rates of morbidity and mortality after interventional procedures are reported to be inversely associated with institutional volume. METHODS: This study assessed both procedural volume and academic status at the 82 US centers that participated i ...
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Journal articleN Engl J Med · July 29, 1999
BACKGROUND: Inhibition of the platelet glycoprotein IIb/IIIa receptor with the monoclonal-antibody fragment abciximab reduces the acute ischemic complications associated with percutaneous coronary revascularization, whereas coronary-stent implantation redu ...
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Journal articleAm Heart J · July 1999
Even with continued improvements in the technology of percutaneous coronary intervention (PCI), approximately 10% to 20% of patients undergoing PCI will require repeat procedures within 1 year. Furthermore, because of the chronic nature of coronary artery ...
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Journal articleCirculation · April 20, 1999
BACKGROUND: Blockade of the platelet glycoprotein IIb/IIIa receptor with the monoclonal antibody fragment abciximab was shown in a placebo-controlled randomized trial to reduce the incidence of acute ischemic complications within 30 days among a broad spec ...
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Journal articleAm Heart J · February 1999
BACKGROUND: Most analyses of complications after percutaneous coronary intervention have been limited to angiographic predictors of abrupt closure. We sought to determine the relation between baseline clinical and angiographic characteristics and clinical ...
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Journal articleJ Am Coll Cardiol · January 1999
OBJECTIVES: We examined the relations of elevated creatine kinase (CK) and its myocardial band isoenzyme (CK-MB) to clinical outcomes after percutaneous coronary intervention (PCI) in patients enrolled in Integrilin (eptifibatide) to Minimize Platelet Aggr ...
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Journal articleEuropean Heart Journal Supplement · January 1, 1999
The platelet glycoprotein IIb/IIIa (GPIIb/IIIa) receptor antagonists abciximab, eptifibatide, and tirofiban have been shown to be safe and effective in patients with acute coronary syndromes and in those undergoing percutaneous coronary intervention. Conse ...
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Journal articleCirculation · December 22, 1998
BACKGROUND: Several platelet glycoprotein (GP) IIb/IIIa receptor antagonists have been evaluated in clinical trials. We conducted a systematic overview (meta-analysis) to assess the effect of these compounds on death, myocardial infarction (MI), and revasc ...
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Journal articleJ Am Coll Cardiol · December 1998
OBJECTIVES: The trial was designed to assess the safety, pharmacodynamics and effects on reperfusion of the platelet glycoprotein (GP) IIb/IIIa inhibitor lamifiban when given with thrombolysis to patients with ST segment elevation acute myocardial infarcti ...
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Journal articleJ Am Coll Cardiol · November 15, 1998
OBJECTIVES: We investigated the hypothesis that abciximab might lead to a differential effect among patients with different lesion morphologies; hence, its cost/benefit ratio would be optimized if it were used selectively on the basis of baseline angiograp ...
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Journal articleAm J Cardiol · November 1, 1998
Data from the 5 large randomized, double-blind, placebo-controlled trials that used glycoprotein IIb/IIIa inhibitors during percutaneous transluminal coronary angioplasty were pooled for a total of 10,691 patients. We found that the use of glycoprotein IIb ...
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Journal articleCan J Cardiol · August 1998
In autumn 1996, shortly after the platelet glycoprotein (GP) IIb/IIIa inhibitor abciximab was approved for clinical use by the Health Protection Branch of Health Canada, seven interventional cardiologists met in a roundtable forum to review the use of abci ...
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Journal articleJ Am Coll Cardiol · August 1998
OBJECTIVES: This study sought to determine the frequency of thrombocytopenia and its relation with clinical outcomes in high risk patients undergoing percutaneous coronary revascularization who received either the platelet glycoprotein (GP) IIb/IIIa recept ...
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Journal articleLancet · July 11, 1998
BACKGROUND: Coronary stenting with use of heparin, aspirin, and ticlopidine for thromboprophylaxis is performed in more than 500,000 patients per year worldwide. We did a randomised controlled trial to assess the role of platelet glycoprotein-IIb/IIIa bloc ...
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Journal articleJ Am Coll Cardiol · June 1998
OBJECTIVES: This study was designed to identify potential predictors of vascular access site (VAS) complications in the large-scale Integrilin to Minimize Platelet Aggregation and Coronary Thrombosis (IMPACT) II trial, which studied angioplasty with versus ...
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Journal articleCathet Cardiovasc Diagn · June 1998
The Prima laser guidewire system (Spectranectics Corp., Colorado Springs, CO) consists of an 0.018" hypotube containing a bundle of 45-microm optical fibers coupled to a pulsed excimer laser operating at a tip fluence of 60 ml/mm2 and a repetition rate ran ...
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Journal articleAm J Cardiol · April 15, 1998
This report details a prospectively randomized clinical trial comparing mechanical clamp compression to hand applied pressure for attaining vascular hemostasis after coronary intervention. Effectiveness was determined by comparing the incidence of femoral ...
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Journal articleCirculation · March 10, 1998
BACKGROUND: The clinical and angiographic demographics of patients requiring unplanned coronary stent deployment and the optimal adjunct pharmacotherapy in this population are not well described. This report details the EPILOG trial experience with unplann ...
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Journal articleTex Heart Inst J · 1998
During the past 2 decades, advances in molecular and cellular biology have greatly expanded our understanding of the critical role of platelets in the pathogenesis of acute coronary syndromes. This work has suggested that aggressive platelet inhibition mig ...
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Journal articleAm J Cardiol · November 20, 1997
In the New Approaches to Coronary Intervention (NACI) registry, 887 patients were electively treated with excimer laser coronary angioplasty (ELCA) for coronary artery disease. The Advanced Interventional System (AIS) system was used in 487 cases; the Spec ...
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Journal articleAm J Cardiol · August 18, 1997
Formation of platelet-rich thrombus superimposed on ruptured atherosclerotic plaque has been implicated in the development of myocardial ischemia and its clinical manifestations. The platelet glycoprotein (GP) IIb-IIIa receptor is the final common pathway ...
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Journal articleJAMA · August 13, 1997
CONTEXT: Abciximab, a monoclonal antibody fragment against the platelet receptor alphaIIb beta3 integrin, prevents platelet aggregation. A randomized, placebo-controlled study showed that abciximab improves outcomes for patients undergoing percutaneous cor ...
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Journal articleN Engl J Med · June 12, 1997
BACKGROUND: Blockade of the platelet glycoprotein IIb/IIIa receptor with abciximab (a monoclonal-antibody Fab fragment directed against the receptor) has been shown to diminish ischemic complications among patients undergoing high-risk coronary angioplasty ...
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Journal articleLancet · May 17, 1997
BACKGROUND: Platelet-mediated thrombosis has been implicated in the development of ischaemic complications of percutaneous coronary intervention. We investigated whether inhibition of the platelet glycoprotein IIb/IIIa integrin with eptifibatide (Integrili ...
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Journal articleAm Heart J · April 1997
To determine the natural history of patients with a total occlusion of a single coronary artery, we searched the Duke Databank for Cardiovascular Disease to find all patients who underwent a first coronary angiogram >2 days after a symptomatic myocardial i ...
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Journal articleCirculation · February 18, 1997
BACKGROUND: Platelets play a crucial role in the ischemic complications of percutaneous coronary procedures. The recent availability of c7E3 Fab (abciximab; ReoPro), a chimeric monoclonal antibody Fab fragment directed against the platelet glycoprotein IIb ...
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Journal articleAm J Cardiol · February 1, 1997
Blockade of the platelet glycoprotein IIb/IIIa receptor by abciximab (c7E3 Fab) during coronary intervention reduces the incidence of ischemic complications, but has been associated with a doubling of the risk for bleeding complications. The present pilot ...
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Journal articleJ Thromb Thrombolysis · 1997
Platelets have been shown to play an important role in the pathogenesis of atherosclerosis, acute coronary syndromes, and ischemic complications after percutaneous coronary intervention. Fibrinogen binding via platelet surface glycoprotein (GP) IIb/IIIa re ...
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Journal articleJournal of Interventional Cardiology · January 1, 1997
A large body of evidence supports the critical role of thrombus formation in the pathogenesis of acute MI as well as the early ischemic complications after percutaneous coronary interventions. Both platelets and the plasma proteins involved in fibrin forma ...
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Journal articleAm J Cardiol · August 14, 1996
Clinical evaluation of the antiplatelet glycoprotein (GP) IIb/IIIa receptor antagonists has now extended over nearly a decade. The largest experience to date with this new class of agents has been in the prevention and management of complications of percut ...
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Journal articleSemin Interv Cardiol · June 1996
While the effects of high-intensity laser energy on tissue were studied early in the development of the laser, the interactions of laser radiation with immersion media have been the subject of more recent investigations. Prompted by reports of severe, morp ...
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Journal articleCirculation · February 15, 1996
BACKGROUND: The purpose of this study was to determine whether the degree of heparin anticoagulation during coronary angioplasty, as measured by the activated clotting time, is related to the risk of abrupt vessel closure. METHODS AND RESULTS: Sixty-two ca ...
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Journal articleAmerican Journal of Cardiology · 1996
Clinical evaluation of the antiplatelet glycoprotein (GP) IIb/IIIa receptor antagonists has now extended over nearly a decade. The largest experience to date with this new class of agents has been in the prevention and management of complications of percut ...
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Journal articleAm J Cardiol · December 15, 1995
We studied the pharmacokinetic and pharmacodynamic properties of integrelin, a novel platelet glycoprotein IIb/IIIa receptor inhibitor, in patients undergoing elective percutaneous coronary intervention. Patients were randomized to placebo (n = 19) or to 1 ...
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Journal articleJ Interv Cardiol · December 1995
During the course of development of excimer laser angioplasty, several changes in patient selection and technique have occurred. It is uncertain, however, whether these changes have been associated with improved procedural outcome. In this study, multivari ...
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Journal articleEur Heart J · November 1995
The Evaluation of 7E3 for the Prevention of Ischaemic Complications (EPIC) trial assessed the use of abciximab in the treatment of patients at high risk undergoing percutaneous revascularization procedures. Abciximab (c7E3) is a chimeric monoclonal antibod ...
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Journal articleEur Heart J · November 1995
Aggregation of platelets leading to thrombosis is one of the hallmarks of unstable angina, acute myocardial infarction, and ischaemic complications following coronary angioplasty. Activated platelets bind to fibrinogen through the glycoprotein IIb/IIIa int ...
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Journal articleExpert Opinion on Investigational Drugs · November 1, 1995
Platelets have been shown to play a significant role in the pathophysiology of acute coronary syndromes and the complications associated with percutaneous coronary intervention (abrupt closure and long-term restenosis). Recent efforts to inhibit platelets ...
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Journal articleRadiology · October 1995
PURPOSE: To determine the color Doppler sonographic characteristics and clinical relevance of persistent needle tracts after femoral arterial puncture. MATERIALS AND METHODS: After diagnostic (n = 18,825) or interventional (n = 8,489) cardiac catheterizati ...
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Journal articleAm Heart J · September 1995
Novel antithrombotic and antiplatelet agents may help reduce the short-term risk of ischemic complications and the long-term risk of restenosis in patients undergoing coronary revascularization procedures. Recent clinical trials suggest that, compared with ...
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Journal articleJ Ultrasound Med · September 1995
To determine the success and complication rates of ultrasonographically guided manual compression in patients with femoral arterial injuries after femoral arterial catheterization, we performed 53 sonographically guided compression repairs in 51 patients. ...
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Journal articleCirculation · August 1, 1995
BACKGROUND: Percutaneous excimer laser coronary angioplasty (PELCA) has been approved for treatment of diseased saphenous vein bypass grafts. However, detailed and complete quantitative angiographic analysis of immediate procedural and late follow-up resul ...
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Journal articleJ Am Coll Cardiol · July 1995
Patients with a chronic coronary occlusion often undergo coronary angiography after weeks to months of occlusion. The published reports underestimate the extent of this problem because such patients are often arbitrarily assigned to receive medical therapy ...
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Journal articleCirculation · April 15, 1995
BACKGROUND: Platelet aggregation and thrombosis have been implicated in the pathogenesis of coronary angioplasty complications. Integrelin, a synthetic cyclic heptapeptide with high affinity and marked specificity for platelet integrin glycoprotein IIb/III ...
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Journal articleCathet Cardiovasc Diagn · January 1995
Despite expectations that excimer laser ablation would result in a low incidence of coronary dissection, studies have documented a 15-20% incidence of dissection (including a 4-6% incidence of clinically significant dissection) during excimer interventions ...
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Journal articleCirculation · October 1994
BACKGROUND: Thrombosis has been implicated as central to the clinical complications of coronary angioplasty (PTCA). Chimeric monoclonal 7E3 Fab (c7E3 Fab) is the first of a new class of antiplatelet drugs directed at the platelet glycoprotein IIb/IIIa inte ...
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Journal articleJ Am Coll Cardiol · October 1994
OBJECTIVES: We proposed to examine the relation between angiographic morphologic characteristics and abrupt closure after coronary angioplasty and to develop an empirically based risk stratification system. BACKGROUND: Certain lesion morphologic characteri ...
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Journal articleAm J Cardiol · July 15, 1994
A total of 495 patients underwent treatment with excimer laser angioplasty for 545 saphenous vein graft stenoses. Clinical success was achieved in 455 of 495 patients (92%), as indicated by < or = 50% residual stenosis at every target lesion and no complic ...
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Journal articleCirculation · July 1994
BACKGROUND: After direct angioplasty in the setting of acute myocardial infarction, patients were followed clinically and angiographically for 6 months at six experienced centers to evaluate outcomes. METHODS AND RESULTS: Of 258 patients with 6-month follo ...
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Journal articleJ Am Coll Cardiol · May 1994
OBJECTIVES: The aim of this study was to document and analyze the incidence and consequences of complications of excimer laser coronary angioplasty. BACKGROUND: Excimer laser coronary angioplasty has been reported to be a safe and feasible alternative or a ...
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Journal articleCirculation · May 1994
BACKGROUND: Survival after coronary artery bypass graft surgery (CABG) and medical therapy in patients with coronary artery disease (CAD) has been studied in both randomized trials and observational treatment comparisons. Over the past decade, the use of c ...
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Journal articleLancet · April 9, 1994
Restenosis after coronary angioplasty occurs in at least 30% of patients in the first six months and, as yet, there is no known treatment to decrease this event. We tested a monoclonal antibody Fab fragment (c7E3) directed against the platelet glycoprotein ...
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Journal articleN Engl J Med · April 7, 1994
BACKGROUND: Platelets are believed to play a part in the ischemic complications of coronary angioplasty, such as abrupt closure of the coronary vessel during or soon after the procedure. Accordingly, we evaluated the effect of a chimeric monoclonal-antibod ...
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Journal articleArq Bras Cardiol · April 1994
PURPOSE: To evaluate the success rate and complications, as well as the technical difficulties involved catheter laser coronary angioplasty, making evident the unsuccessful cases. METHODS: Twenty eight patients were treated with laser from August to Novemb ...
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Journal articleAm J Cardiol · April 1, 1994
During a 14-month period, 6 experienced centers prospectively enrolled 271 patients into a registry in which percutaneous transluminal coronary angioplasty was the primary treatment for acute myocardial infarction. Patients age > 18 years who presented wit ...
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Journal articleJ Am Coll Cardiol · January 1994
OBJECTIVES: We designed a randomized trial to evaluate the effects of heparin administration in conjunction with anistreplase (anisoylated plasminogen streptokinase activator complex [APSAC]) on arterial patency and clinical end points. BACKGROUND: The rol ...
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Journal articleArquivos Brasileiros De Cardiologia · January 1, 1994
PURPOSE--To evaluate the success rate and complications, as well as the technical difficulties involved catheter laser coronary angioplasty, making evident the unsuccessful cases. METHODS--Twenty eight patients were treated with laser from August to Novemb ...
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Journal articleAm J Cardiol · July 1, 1993
Abrupt closure after coronary angioplasty is often successfully treated by repeat dilation. Long-term follow-up, including 6-month repeat catheterization and 12-month clinical evaluation, was obtained in 1,056 patients treated with acute (n = 335) or elect ...
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Journal articleAm J Cardiol · June 1, 1993
Balloon angioplasty of long coronary artery narrowings has been associated with a lower rate of acute success, and a higher rate of acute complications and restenosis than that observed for short narrowings. Angioplasty catheters with longer length balloon ...
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Journal articleJ Am Coll Cardiol · April 1993
OBJECTIVES: The aim of this study was to analyze the risk of vessel perforation during excimer laser angioplasty. BACKGROUND: Vessel perforation is a serious complication of angioplasty. METHODS: A total of 764 patients had 858 stenoses treated with excime ...
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Journal articleCoron Artery Dis · February 1993
BACKGROUND: Excessive platelet deposition at the site of arterial damage due to coronary angioplasty plays an important role in the pathophysiology of both abrupt closure and restenosis after that procedure. Even aspirin, a relatively weak platelet antagon ...
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Journal articlePrimary Cardiology · January 1, 1993
Acute ischemic mitral regurgitation associated with myocardial infarction can be diagnosed by Doppler echocardiography or cardiac catheterization with ventriculography. Hemodynamically stable patients should be managed medically, with afterload reduction; ...
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Journal articleAm J Cardiol · December 15, 1992
The role of excimer laser angioplasty in treating complex coronary artery disease remains uncertain. A randomized trial comparing this new technology with balloon angioplasty cannot be designed until systematic analysis identifies the lesion types that are ...
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Journal articleProceedings of SPIE the International Society for Optical Engineering · December 1, 1992
The development of laser systems suitable for vascular angioplasty is a multidisciplinary endeavor that includes development of the laser energy source, guidance modality, delivery catheter, and assessment of clinical applicability. In this paper we report ...
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Journal articleAm Heart J · September 1992
The results of routine coronary angioplasty using gradual and prolonged balloon inflation with a perfusion balloon catheter were evaluated. One hundred forty patients were treated with inflation of the balloon to 6 atm over 3 minutes, with a median inflati ...
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Journal articleJ Am Coll Cardiol · September 1992
OBJECTIVES: The purpose of this study was to further explore the procedural safety of prolonged (15-min) dilation using an autoperfusion coronary angioplasty balloon by assessing the degree of myocardial damage or hemolysis, if any, occurring as a result o ...
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Journal articleAnn Intern Med · July 1, 1992
OBJECTIVE: To describe outcomes of patients sustaining an acute myocardial infarction complicated by mitral regurgitation managed with contemporary reperfusion therapies. DESIGN: Inception cohort case study. Long-term follow-up was obtained in 99% of all p ...
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Journal articleAm J Cardiol · June 1, 1992
Prolonged balloon inflation with or without autoperfusion techniques is a common initial approach to major dissection or abrupt occlusion after percutaneous transluminal coronary angioplasty (PTCA). To assess such a strategy in the setting of unsuccessful ...
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Journal articleAm J Cardiol · November 15, 1991
The feasibility and applicability of intravascular ultrasound (IVUS) of the coronary arteries were evaluated in 65 patients undergoing 70 coronary interventional procedures. Morphologic and quantitative analyses were performed with a mechanically rotated I ...
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Journal articleJ Am Coll Cardiol · May 1991
Despite substantial basic and clinical efforts to address the problem of restenosis after percutaneous coronary intervention, effective preventive therapies have not yet been developed. Nevertheless, the accumulated information has provided much insight in ...
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Journal articleMedicamundi · January 1, 1991
This article describes the application of quantitative cardiac analysis in a high volume clinical environment. Computerized evaluation is applied for measurement of coronary artery stenoses, and for determination of global and regional ventricular function ...
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Journal articleAmerican Journal of Cardiology · January 1, 1988
Clinical perspective: Cardiac revascularization in a wide range of patients with coronary artery disease is the underlying mission of Duke University's Interventional Cardiac Catheterization Program, one of the largest of its kind in the United States. Und ...
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Journal articleAmerican Journal of Cardiology · January 1, 1988
Clinical perspective: Balloon angioplasty reduces mortality and morbidity in AMI and coronary artery disease patients, but the procedure has major limitations. Acute failure requiring an emergency response is not uncommon, and the restenosis rate is greate ...
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Journal articleAmerican Journal of Cardiology · January 1, 1988
Clinical perspective: Much needs to be learned about the precise physiologic and biochemical actions and effects of thrombolytic therapy and PTCA in various settings. In particular, the factors influencing restenosis must be elucidated. ...
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Journal articleAmerican Journal of Cardiology · 1988
Clinical perspective: Although thrombolytic therapy offers important, often life-preserving benefits to many AMI patients, its effectiveness is limited in several crucial respects: it does not achieve reperfusion in a substantial percentage of patients, no ...
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Journal articleBiochim Biophys Acta · September 27, 1978
Deoxyribonucleic acid polymerase-beta (EC 2.7.7.7) has been purified over 100 000-fold from a whole cell extract of guinea pig liver. The enzyme yields a single stainable band when subjected to non-denaturing polyacrylamide gel electrophoresis, and this ba ...
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Journal articleNucleic Acids Res · September 1976
Unlike other beta-class eukaryotic DNA polymerases, the enzyme purified from the Novikoff hepatoma is inhibited by both sulfhydryl blocking agents N-ethylmaleimide (NEM) and p-hydroxymercuribenzoate (pHMB). The degree of sensitivity varies depending on the ...
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