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Results 501 - 550 of 3695
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Zhang Jiayin J From the Departments of Radiology (J.Z., Y.L., M.L.) and Cardiology (J.P., Z.L.), Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Rd, Shanghai 200233, - - 2014
Purpose To assess the correlation between the filling pattern of distal coronary vessels in patients with chronic total occlusion (CTO) observed at coronary computed tomographic (CT) angiography and the extent of downstream myocardial infarction (MI). Materials and Methods All patients gave written informed consent, and the institutional review board approved ...
Vujcic I I Institute of Epidemiology, Faculty of Medicine, University of Belgrade, Visegradska 26a, 11000, Belgrade, Serbia, - - 2014
Living alone has been associated with higher risk of acute coronary syndrome in general population, but there are no consistent findings about its effect on prognosis after acute myocardial infarction (AMI). To analyse the relationships between living alone and other risk factors at baseline and long-term survival after AMI. One ...
Lee Park Kay K Center for Outcomes Research, University of Massachusetts Medical School, Worcester, - - 2014
Current guidelines recommend early oral beta-blocker administration in the management of acute coronary syndromes for patients who are not at high risk of complications. Data from patients enrolled between 2000 and 2007 in the Global Registry of Acute Coronary Events (GRACE) were used to evaluate hospital outcomes in three cohorts ...
Tideman Philip A PA Country Health, Adelaide, SA, Australia. - - 2014
To evaluate the impact of the regionalised Integrated Cardiovascular Clinical Network (ICCNet) on 30-day mortality among patients with myocardial infarction (MI) in an Australian rural setting. An integrated cardiac support network incorporating standardised risk stratification, point-of-care troponin testing and cardiologist-supported decision making was progressively implemented in non-metropolitan areas of South ...
Osadchii Oleg E OE Department of Biomedical Sciences, University of Copenhagen, Blegdamsvej 3, 2200, Copenhagen N, Denmark; Department of Health Science and Technology, University of Aalborg, Fredrik Bajers Vej 7E, 9220, Aalborg, - - 2014
Activation-repolarization coupling refers to the inverse relationship between action potential duration and activation time in myocardial regions along the path of ventricular excitation. This study examined if activation-repolarization coupling plays a role in coordinating repolarization times between the right ventricular (RV) and left ventricular (LV) chambers, and if impaired coordination ...
Wang Ricardo R Hospital Vera Cruz, Belo HorizonteMG, Brasil, Hospital Vera Cruz, Belo Horizonte, MG - - - 2014
Background: The recommendations in guidelines are based on evidence; however, there is a gap between recommendations and clinical practice. Objective: To describe the practice of prescribing evidence-based treatments for patients with acute coronary syndrome in Brazil. Methods: This study carried out a subanalysis of the ACCEPT registry, assessing epidemiological data ...
Ozcan Fırat F Cardiology Clinic, Türkiye Yüksek Ihtisas Training and Research Hospital, Ankara, - - 2014
Fragmented QRS complex (fQRS) is associated with cardiovascular outcomes in various patient populations. Although there were clinical studies investigating the association of fQRS with arrhythmic events in patients with systolic heart failure, the results were conflicting regarding the association of implantable cardioverter defibrillator (ICD) shocks and fQRS. In this study, ...
Maury Philippe P Department of Cardiology, University Hospital Rangueil, 31059 Toulouse Cedex 09, - - 2014
Patients with well-tolerated sustained monomorphic ventricular tachycardia (SMVT) and left ventricular ejection fraction (LVEF) over 30% may benefit from a primary strategy of VT ablation without immediate need for a 'back-up' implantable cardioverter-defibrillator (ICD). One hundred and sixty-six patients with structural heart disease (SHD), LVEF over 30%, and well-tolerated SMVT ...
Mahajan Deepa D Boston Scientific, St. Paul, - - 2014
Adjudication of thousands of implantable cardioverter defibrillator (ICD)-treated arrhythmia episodes is labor intensive and, as a result, is most often left undone. The objective of this study was to evaluate an automatic classification algorithm for adjudication of ICD-treated arrhythmia episodes. The algorithm uses a machine learning algorithm and was developed ...
Schulz Antonia A Charité Universitätsmedizin Berlin, Berlin, - - 2014
This observational study investigated the value of drug-coated balloons (DCB) only strategy in bifurcation lesions in a consecutive series of all comer percutaneous coronary intervention. Local application of paclitaxcel by DCB has clinical benefits in various settings including coronary bifurcations. While so far most bifurcation studies investigated sequential application of ...
Arık Osman Ziya OZ Gümüşhane State Hospital. - - 2014
Optimization of atrioventricular (AV) delay time has positive effects on left ventricular functions in patients with DDD pacemaker. However, the method used for optimization is still debated. In our study, we aimed to evaluate the effect of different AV delay times on variation of left ventricular systolic performance by using ...
Mitro Peter P P.J.Safarik University , Kosice , Slovakia. - - 2014
Overall response rate to cardiac resynchronisation therapy (CRT) is still not optimal. The aim of the study was to evaluate the influence of the regional myocardial contractile reserve during dobutamine infusion in the area of left ventricular (LV) electrode on the response rate and reverse remodelation of left ventricle in ...
Hen Yasuki Y Department of Cardiology, Sakakibara Heart - - 2014
Background: The prognostic value of late gadolinium enhancement (LGE) on contrast-enhanced cardiovascular magnetic resonance (CMR) in Japanese hypertrophic cardiomyopathy (HCM) patients in a large, single-center cohort was investigated. Methods and Results: A total of 345 HCM patients (mean age, 59±17 years; 214 male) underwent CMR with gadolinium enhancement, and were followed (mean ...
Ozyilmaz Ezgi - - 2014
Identifying the predictors of noninvasive ventilation (NIV) failure has attracted significant interest because of the strong link between failure and poor outcomes. However, very little attention has been paid to the timing of the failure. This narrative review focuses on the causes of NIV failure and risk factors and potential ...
Ariza-Solé Albert A Unidad Coronaria, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain. Electronic address: - - 2014
The prognostic value of chronic total occlusion in nonculprit coronary arteries in patients with myocardial infarction undergoing primary angioplasty remains controversial. Several publications have described different methodologies and conflicting findings. In addition, causes of death were not reported. Our aim is to analyze the prognostic impact of chronic total occlusion ...
Chanti-Ketterl Marianne M School of Aging Studies, University of South Florida, Tampa, FL, - - 2014
Percutaneous coronary intervention (PCI) is the first line of treatment for ST-elevated myocardial infarction (STEMI). This study evaluates the role of dementia in diagnostic cardiac catheterization (to receive PCI) in STEMI patients ≥65 years old admitted to high annual volume PCI hospitals. Participants were registered in Florida's comprehensive inpatient surveillance system ...
Stavileci Berna B Cerrahpasa School of Medicine, Department of Cardiology, Istanbul University, Istanbul, - - 2014
The presence of notched R or S waves without accompanying typical bundle branch blocks, or the existence of an additional wave like RSR' pattern in the original QRS complex (with a duration of <120 ms) has been defined as narrow QRS fragmentation. Persistence of the fQRS found on the admission ...
Francone Marco M Department of Radiology, Oncology and Pathology, La Sapienza University, Rome, - - 2014
The aim of this study was to determine whether clinical presentation and type of cell death in acute myocarditis might contribute to cardiac magnetic resonance (CMR) sensitivity. Growing evidence indicates CMR is the reference noninvasive tool for the diagnosis of acute myocarditis. However, factors affecting CMR sensitivity are still unclear. ...
Brener Sorin J SJ The Cardiovascular Research Foundation, New York, New York; Department of Medicine, New York Methodist Hospital, Brooklyn, New York. Electronic address: - - 2014
Prasugrel is more potent than clopidogrel, but it is not known whether this translates into clinical benefit in patients undergoing primary percutaneous coronary intervention (PCI) with bivalirudin for ST elevation myocardial infarction. In the Intracoronary Abciximab and Aspiration Thrombectomy in Patients With Large Anterior Myocardial Infarction trial, 452 patients with ...
Reis Maria do Carmo Maia MD Federal University of Sao Paulo (UNIFESP), São Paulo, 04021-001, Brazil. Electronic address: - - 2014
The variability of ventricular arrhythmias (VA) among different days of the week is not well detected by one-day Holter monitoring. To evaluate whether there are differences in VA distribution pattern during long recording period. The EKG was recorded for 14h per day during 7days by Holter system in 34 consecutive ...
Cappelli Francesco F Department of Heart and Vessel, Intensive Cardiac Care Unit, AOUC , Florence , Italy - - 2014
Abstract Aim: In AL amyloidosis, the importance of right ventricle (RV) involvement has recently been underlined and its role in predicting prognosis has been emphasized. Little is known about the relationship between RV involvement, N-terminal pro-brain natriuretic peptide (NT-proBNP) and troponin levels. Aim of our study was to clarify the ...
Ariza-Solé Albert A Unidad Coronaria, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat, Barcelona, España. Electronic address: - - 2014
The prognostic value of chronic total occlusion in nonculprit coronary arteries in patients with myocardial infarction undergoing primary angioplasty remains controversial. Several publications have described different methodologies and conflicting findings. In addition, causes of death were not reported. Our aim is to analyze the prognostic impact of chronic total occlusion ...
Birnbaum Gilad D GD Baylor College of Medicine; Houston, - - 2014
Shortly following an occlusion of an epicardial coronary artery, changes in the surface electrocardiogram (ECG) can be detected. Initially, T waves in leads with their positive poles facing the ischemic zone become positive, tall and symmetrical. Later, ST segment elevation (STE) becomes apparent. If ischemia continues, changes in the terminal ...
de Waha Suzanne S University of Leipzig, Leipzig, - - 2014
Current ST-elevation myocardial infarction (STEMI) guidelines recommend initiation of clopidogrel treatment as early as possible before angiography, based on pharmacokinetic and positive registry data. However, the mechanisms of the beneficial effect of clopidogrel pretreatment are unclear. Aim of this study was to investigate the impact of upstream clopidogrel on infarct ...
Cansel Mehmet M Department of Cardiology, Faculty of Medicine, İnönü University; Malatya-Turkey. - - 2014
Ramadan fasting is one of the five fundamental rituals of Islam. Heart rate variability (HRV) is an independent predictor of increased mortality of patients with myocardial infarction and congestive heart failure. Although many patients in this region fast once a year, the effects of fasting on the HRV, which has ...
Kreutz Rolf P RP Krannert Institute of Cardiology, Indiana University School of Medicine, 1800 N. Capitol Ave, ME-400, Indianapolis, IN, 46202, USA, - - 2014
Factor XIII (FXIII) is necessary for cross linking of fibrin strands and generation of stable fibrin clot. FXIII Val34Leu is a common genetic single nucleotide polymorphism that has been associated with accelerated fibrin stabilization and reduced rate of fibrinolysis. The contribution of Val34Leu to long term risk of recurrent myocardial ...
Krishnasamy Rathika R Department of Renal Medicine, University of Queensland at Princess Alexandra Hospital, Brisbane, Queensland, - - 2014
Left ventricular (LV) systolic dysfunction is an important predictor of cardiovascular death. Global longitudinal strain (GLS) is a widely available echocardiographic technique proven to be more sensitive than conventional ejection fraction (EF) in detecting subtle changes in LV function. However, the prognostic value of GLS in patients with chronic kidney ...
Kronborg Mads B MB Department of Cardiology, Aarhus University Hospital, Skejby, Brendstrupgaardsvej 100, DK-8200 Aarhus, - - 2014
To compare left ventricular function after a long-term His or para-His pacing (HP) and right ventricular septal pacing (RVSP) in patients with atrioventricular block (AVB).METHODS AND RESULTS: We included consecutive patients with AVB, a narrow QRS < 120 ms, and a preserved left ventricular ejection fraction (LVEF) >0.40, in a ...
Mahaffey Kenneth W KW Duke Clinical Research Institute, Duke University, Durham, North Carolina; Department of Medicine, Stanford University, Stanford, California. Electronic address: - - 2014
This study reports the treatment effect of ticagrelor on myocardial infarction (MI) and the strategy for and impact of event adjudication in the PLATO (Platelet Inhibition and Patient Outcomes) trial. In PLATO, ticagrelor reduced cardiovascular death, MI, or stroke in patients with acute coronary syndromes (ACS). A clinical events committee ...
Généreux Philippe P New York-Presbyterian Hospital and Columbia University Medical Center, New York, NY; Cardiovascular Research Foundation, New York, NY; Hôpital du Sacré-Coeur de Montréal, Université de Montréal, Montréal, Québec, - - 2014
We sought to determine the frequency and impact of coronary calcification among patients undergoing PCI for ACS. Small studies in patients with stable coronary artery disease have suggested a worse prognosis after percutaneous coronary intervention (PCI) of calcified compared to non-calcified lesions. Little is known about the impact of coronary ...
Ernande Laura L Service des Explorations Fonctionnelles Cardiovasculaires & Centre d'Investigation Clinique, Louis Pradel Hospital, Lyon, France; INSERM U955, Team 8, Faculté de Médecine de Créteil, Institut Mondor de Recherche Biomédicale, Université Paris-Est Créteil, Créteil, - - 2014
In normal subjects, left ventricular (LV) dimensions have been shown to decrease over time, while wall thickness is increasing. The aim of this study was to investigate LV remodeling in a cohort of patients with type 2 diabetes mellitus during a 3-year follow-up period and its potential association with decreased ...
Hannan Edward L EL University at Albany, State University of New York, Albany, New York. Electronic address: - - 2014
The goal of this study was to determine the utilization and outcomes for radial access for percutaneous coronary intervention (PCI) for ST-segment elevation acute myocardial infarction (STEMI) in common practice. Radial access for PCI has been studied considerably, but mostly in clinical trials. All patients undergoing PCI for STEMI in ...
Kobayashi Junpei J Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Suita, - - 2014
Pontine infarcts can be classified into four regions based on the vascular anatomy: anteromedial, anterolateral, lateral and posterior. The purpose of this study was to determine if different etiological mechanisms are responsible for these four types of pontine infarcts. We studied consecutive patients within 7days of symptom onset who had ...
Akgun Taylan - - 2014
Objectives: The SYNTAX score (SXscore) has emerged as a reproducible angiographic tool to quantify the extent of coronary artery disease based on the location and complexity of each lesion. The aim of this study was to evaluate whether the SXscore is an independent predictor of long-term cardiovascular outcomes in patients ...
Kim Hack-Lyoung HL Cardiovascular Center, Seoul National University Boramae Medical Center, Seoul, - - 2014
This study was conducted to investigate the incremental prognostic value of sequential use of single-photon emission computed tomography (SPECT) and coronary computed tomography angiography (CCTA) in patients with suspected coronary artery disease (CAD). A total of 1295 patients with suspected CAD who underwent both CCTA and SPECT within 90 days ...
Kolettis Theofilos M TM Department of Cardiology, University of Ioannina, Ioannina, Greece; Cardiovascular Research Institute, Ioannina and Athens, Greece. Electronic address: - - 2014
We investigated the role of endothelin-B receptors on sympathetic activation originating from the adrenal gland or from the myocardium and its impact on arrhythmogenesis during acute myocardial infarction. We studied two groups of rats (n=120, 284±2g), namely wild-type and ETB-deficient. Myocardial infarction was induced by permanent ligation of the left ...
Santos Ana Rita AR Serviço de Cardiologia, Hospital do Espírito Santo, Évora, Portugal. Electronic address: - - 2014
Multivessel disease in ST-elevation myocardial infarction (STEMI) is associated with a worse prognosis. A multivessel approach at the time of primary percutaneous coronary intervention (PCI) is the subject of debate. To assess the impact of a multivessel approach on in-hospital morbidity and mortality in patients with STEMI undergoing primary PCI. ...
Motwani Manish M Multidisciplinary Cardiovascular Research Centre & The Division of Cardiovascular and Diabetes Research, Leeds Institute of Genetics, Health and Therapeutics, University of Leeds, Leeds LS2 9JT, - - 2014
This study compared the myocardial ischaemic burden (MIB) in patients with angiographic three-vessel coronary artery disease (3VD) using high-resolution and standard-resolution myocardial perfusion cardiovascular magnetic resonance (perfusion CMR) imaging. One hundred and five patients undergoing coronary angiography had two separate stress/rest perfusion CMR studies, one with standard-resolution (2.5 mm in-plane) ...
Lee Yasuharu Y Division of Cardiology, Osaka Rosai Hospital. 1179-3, Nagasone-cho, Sakai-city, Osaka 591-8025, Japan. - - 2014
Percutaneous coronary intervention (PCI) for severe calcified lesions is still challenging, and there are few studies of drug-eluting stent (DES) implantation for severe calcified lesions, especially regarding long-term results and hemodialysis patients. The study purpose was to clarify the factors, including DES strut thickness, that affect the long-term outcome of ...
Jiang Meng M Department of Cardiology, Renji Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China 200127. - - 2014
We aimed to determine the best time period for an early invasive intervention in non-ST elevation acute coronary syndrome (NSTEACS) patients. Studies assessing the timing of percutaneous coronary intervention (PCI) in patients with NSTEACS have failed to generate a consensus on when PCI should be performed in such patients. Literature ...
Hussain Sajjad S Department of Cardiology, Armed Forces Institute of Cardiology, National Institute of Heart Diseases, - - 2014
Objective: To study the effect of trans-radial approach (TRA) on achievement of a door-to-balloon time (DBT) of ² 90 minutes in primary PCI percutaneous coronary intervention (PPCI) for ST-elevation myocardial infarction (STEMI). Study Design: Case series. Place and Duration of Study: Armed Forces Institute of Cardiology - National Institute of ...
Kalavrouziotis Dimitri D Department of Thoracic and Cardiovascular Surgery, , Cleveland Clinic, - - 2014
The incidence of percutaneous lead failure among patients supported with a HeartMate II left ventricular assist device is unknown. All HeartMate II left ventricular assist device driveline dysfunctions reported to Thoratec Corporation were retrospectively reviewed. The location and severity of driveline failures and their association with adverse clinical outcomes were ...
Mujarić Ekrema E 1Department of Internal Medicine, Cantonal Hospital Zenica, 2Department of Internal Medicine, General Hospital Tešanj, 3Department of Anesthesiology and Intensive Care, Cantonal Hospital Zenica, 4Department of Surgery, Cantonal Hospital Zenica, 5Department of Laboratory Diagnostics, University Clinic Tuzla, 6Department of Gantroenterohepatology, University Clinical Center, Sarajevo; Bosnia and - - 2014
Aim To analyze a change of level of nautriuretic peptide (NT pro- BNP) caused by stress distension of myocardial wall in cases of acute myocardial infarction (AIM), as a possible predictor of early heart failure. Methods Patients with myocardial infarction were followed up. Standard clinical and laboratory examination, including NT ...
Huang Shao-Hong SH Department of Cardiothoracic Surgery, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, 510630, China, - - 2014
Intracellular calcium overload is a key factor for myocardial ischemia reperfusion injury (IR). However, there was no report for interstitial calcium concentration dynamics. We investigated the interstitial calcium dynamics in rat myocardial IR model in vivo. A microdialysis system was involved, and the time delay of the system and recovery ...
Brenner Roman R Division of Cardiology, Kantonsspital St. Gallen, Rorschacherstrasse 95, CH-9007 St. Gallen, - - 2014
Aim: Inflammatory processes may contribute to myocardial ischemia/reperfusion injury after myocardial infarction (MI). We aimed to evaluate the predictive value of complement factor concentrations for the occurrence of post-MI left ventricular (LV) dysfunction. Patients & methods: Fifty-five patients with acute MI were included. Complement factors and CRP were assessed at ...
Dores Hélder H 1 Hospital de Santa Cruz, Lisbon, Portugal ; 2 Hospital de Faro, Faro, Portugal ; 3 Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal ; 4 Hospital de São Bernardo, Setúbal, - - 2014
Although the proven efficacy of evidence-based therapy in patients with cardiovascular diseases, the recommendations are not always instituted. We aimed to analyse the compliance of non-ST-elevation acute coronary syndrome (NSTE-ACS) patients with treatment guidelines and to assess the impact of these measures in hospital death during the index hospitalization. All ...
Abbasnezhad Mohsen M Department of Cardiology, Tabriz University of Medical Sciences, Tabriz, IR - - 2014
Chest pain is one of the most common causes of the admission to the emergency departments. It, however, can be due to numerous diseases some of which are life threatening. In the current study, we evaluated the prognostic value of TIMI (Thrombolysis in Myocardial Infarction) and Modified TIMI risk scores ...
Stergiopoulos Kathleen K Division of Cardiovascular Medicine, Department of Medicine, State University of New York-Stony Brook School of Medicine, Stony - - 2014
Myocardial ischemia in patients with stable coronary artery disease (CAD) has been repeatedly associated with impaired survival. However, it is unclear if revascularization with percutaneous coronary intervention (PCI) to relieve ischemia improves outcomes compared with medical therapy (MT). The objective of this study was to compare the effect of PCI ...
Bouhajja Bechir - - 2014
Background: Fibrinolysis during ST elevation myocardial infarction (STEMI) is feasible in the emergency departments (ED), and this reduces the delay from first medical contact to coronary reperfusion. The aim of the study is to: 1) Evaluate fibrinolysis with streptokinase (SK) in STEMI admitted to the ED. 2) identify clinical criteria ...
Sipahi Ilke I Department of Cardiology, Acibadem University Medical School, Istanbul, Turkey2Harrington Heart and Vascular Institute, University Hospitals Case Medical Center, Case Western Reserve University School of Medicine, Cleveland, - - 2014
Recent trials of percutaneous coronary intervention (PCI) vs coronary artery bypass grafting (CABG) for multivessel disease were not designed to detect a difference in mortality and therefore were underpowered for this outcome. Consequently, the comparative effects of these 2 revascularization methods on long-term mortality are still unclear. In the absence ...
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