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Zhang Sheng S Department of Neurology, the Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, - - 2014
To validate whether the optimal magnetic resonance perfusion (MRP) thresholds for ischemic penumbra and infarct core, between voxel and volume-based analysis, are varied greatly among Chinese acute ischemic stroke patients. Acute ischemic stroke patients receiving intravenous thrombolysis within 6 h of onset that obtained acute and 24-h MRP were reviewed. Patients ...
Park Jai-Wun JW Coburg Hospital, 2nd Medical Department, Coburg, Germany Asklepios Hospital Harburg, 1st Medical Department, Hamburg, - - 2014
Although magnetocardiography (MCG) has been proposed as a non-invasive technique with high accuracy for functional diagnosis of myocardial injury, the validation of MCG against fractional flow reserve (FFR in diagnosing coronary artery disease (CAD) has not yet been established. The goal of the study was to determine the diagnostic accuracy ...
Gökdeniz Tayyar T Department of Cardiology, Medical School, Kafkas University, Kars, - - 2014
Mitral annular calcification (MAC) is a common echocardiographic finding in clinical practice and is associated with cardiovascular risk factors and atherosclerosis. However, data regarding left ventricular (LV) functions are lacking. We aimed to evaluate the relationship between MAC and LV mechanical functions with the utility of two-dimensional speckle tracking echocardiography ...
Péter Andrea A From the Institute of Cardiology, and the Institute of Internal Medicine, University of Debrecen, Debrecen; Heart Institute, University of Pécs, Pécs, Hungary; Cardiothoracic Centre, Freeman Hospital, Newcastle upon Tyne, UK. A. Péter, MD; Á. Balogh, MD, PhD, Institute of Cardiology, University of Debrecen; S. Szilágyi, MD, PhD, Cardiothoracic Centre, Freeman Hospital; R. Faludi, MD, PhD, Heart Institute, University of Pécs; M. Nagy-Vincze, MD, Institute of Internal Medicine, University of Debrecen; I. Édes, MD, PhD, DSc, Institute of Cardiology, University of Debrecen; K. Dankó, MD, PhD, DSc, Institute of Internal Medicine, University of Debrecen. Address correspondence to Dr. A. Péter, Institute of Cardiology, University of Debrecen, Móricz Zs. krt. 22, H-4032 Debrecen, Hungary. E-mail: doktorpandi@gmail.com. Accepted for publication October 9, - - 2014
To identify early echocardiographic abnormalities at the time of diagnosis of polymyositis (PM) and dermatomyositis (DM) and follow the echocardiographic findings during the first 3 months of therapy. We included 30 PM/DM patients (23/7) with a mean age of 42.3 ± 1.6 years and without cardiovascular symptoms. Age-matched healthy patients ...
Tognon Alexandre Pereira AP Programa de Pós-Graduação em Epidemiologia, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, - - 2014
Background: Echocardiography, though non-invasive and having relatively low-cost, presents issues of variability which can limit its use in epidemiological studies. Objective: To evaluate left ventricular mass reproducibility when assessed at acquisition (online) compared to when assessed at a reading center after electronic transmission (offline) and also when assessed by different ...
Amabile N N Cardiology Department, Institut Mutualiste Montsouris, 42 bd Jourdan, Paris 75014, France - - 2014
We investigated the feasibility of thrombus quantification by frequency-domain optical coherence tomography (FD-OCT) methods in patients with highly thrombotic acute coronary syndrome (ACS) treated by deferred stenting strategy. Patients were suitable for inclusion if they presented (i) an ACS that was successfully revascularized by manual thrombo-aspiration and (ii) a large ...
Li Wei-Jie WJ Department of Cardiology, the First Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510080, - - 2014
To determine the diagnostic and prognostic utility of high-sensitive troponin assays in very early phase of AMI (less than 3 hours since symptoms onset) by performing a meta-analysis of prospective studies. Relevant studies were identified by searches of MEDLINE and Elsevier Sciencedirect until January 31st, 2014 and by reviewing the ...
Gensler Daniel D From the Research Center Magnetic-Resonance-Bavaria, Würzburg, Germany (D.G., P.M., F.F., P.M.J.); Department of Internal Medicine I-Cardiology, University Hospital Würzburg, Oberdürrbacher Str 6, 97080 Würzburg, Germany (D.G., O.R., W.R.B., G.E., P.N.); Comprehensive Heart Failure Center (O.R., W.R.B., G.E., P.N.) and Department of Experimental Physics 5 (P.M.J.), University of Würzburg, Würzburg, Germany; Erwin L. Hahn Institute for Magnetic Resonance Imaging, University Duisburg-Essen, Essen, Germany (H.H.Q.); Department of High Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany (H.H.Q.); and Department of Medical Physics in Radiology, German Cancer Research Center, Heidelberg, Germany - - 2014
Purpose To develop and validate a fast cardiac magnetic resonance imaging T1 mapping technique with high spatial resolution based on a radial inversion-recovery ( IR inversion recovery ) spoiled gradient-echo acquisition. Materials and Methods Approval for the study was granted by the local institutional review board, and all subjects gave ...
Touboul Caroline C CHRU de Tours, ICCU & Cardiology department, Trousseau Hospital, 37000 Tours, - - 2014
Infarct size (IS) is a major determinant of patient outcome after acute ST-segment elevation myocardial infarction (STEMI). Interventions aimed at reducing reperfusion injury, such as cardiac ischaemic postconditioning (IPost), may reduce IS and improve clinical outcomes. IPost has been shown to be feasible in patients with STEMI treated by primary ...
Bozkuş Y Y Department of Endocrinology and Metabolism, Baskent University Faculty of Medicine,Ankara, Turkey - - - 2014
While adverse effects of overt hyperthyroidism on the cardiovascular system are well--known, the effects of subclinical hyperthyroidism are not clear. Here, we aimed to investigate the effects of short term mild L--thyroxine (LT4) suppression therapy on myocardial functions in a group of premenopausal women with goiter, by using echocardiographic methods ...
Meriki Neama N School of Medicine, King Saud University, Riyadh, Saudi - - 2014
Objectives: To construct gestational age-adjusted reference ranges for the right fetal modified myocardial performance index (RMPI) in an Australian population and to assess the influence of valve click caliper position on constituent time intervals and the RMPI. Methods: A prospective cross-sectional study of RMPI from 235 normal fetuses at 17-38 ...
Huitema Ashlay A AA Western University, London, Ontario, Canada; London Health Sciences Centre, London, Ontario, - - 2014
This study aimed to compare the accuracy of ECG interpretation for diagnosis of STEMI by different groups of healthcare professionals involved in the STEMI program at our institution. We selected 21 ECGs from patients with typical symptoms of MI that were diagnosed with STEMI, and 10 ECGs of STEMI mimics. ...
Wang Hongying H Department of - - 2014
Abstract Objective: The aim is to quantitatively assess regional ventricular systolic function by two-dimensional strain (2DS) echocardiography in gestational diabetes mellitus (GDM) fetuses with good glycemic control. Methods: We studied 60 consecutive normal fetuses and 35 fetuses of GDM mothers with good glycemic control by echocardiography. M-mode and two-dimensional echocardiography ...
Eicher Jean-Christophe JC Department of Cardiology, Rhythmology and Heart Failure Unit, Hôpital Bocage Central, CHU de Dijon, France. - - 2014
We aimed to assess the prevalence of interatrial electromechanical dyssynchrony in systemic sclerosis (SSc) patients, and to study the correlation between interatrial delay and standard follow-up parameters. Forty consecutive patients with SSc were studied. Classical echocardiographic measurements were obtained, including indices of left ventricular (LV) systolic and diastolic function, right ...
Choi Brian G - - 2014
Studies with other imaging modalities have demonstrated a relationship between contrast transit and cardiac output (CO) and pulmonary vascular resistance (PVR). We tested the hypothesis that the transit time during contrast echocardiography could accurately estimate both CO and PVR compared to right heart catheterization (RHC). 27 patients scheduled for RHC ...
Zhang Yan Y Shandong Medical Imaging Research Institute, Jinwu Road 324, Jinan, 250021, China, - - 2014
To evaluate whether T2 mapping techniques can detect myocardial edema in patients with systemic lupus erythematosus (SLE). Twenty-four patients (mean age 54 ± 9 years) with SLE and twelve controls (mean age 50 ± 7 years) underwent cardiac MRI at 1.5 T. Standard cine images were obtained. Single-slice T2 maps and non-contrast T1 maps were acquired in ...
Schelhorn Juliane J Department of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Essen, Germany - - 2014
Patients with corrected tetralogy of Fallot (cToF) are prone to develop pulmonary regurgitation and right ventricular enlargement resulting in long-term complications, thus correct right ventricular volumetric monitoring is crucial. However, it remains controversial which cardiovascular magnetic resonance imaging (CMRI) slice orientation is most appropriate in cToF for the analysis of ...
Barison Andrea A Fondazione Toscana Gabriele Monasterio, Pisa, Italy; Scuola Superiore Sant'Anna, Pisa, - - 2014
Cardiac involvement in systemic amyloidosis is caused by the extracellular deposition of misfolded proteins, mainly immunoglobulin light chains (AL) or transthyretin (ATTR), and may be detected by cardiovascular magnetic resonance (CMR). The aim of this study was to measure myocardial extracellular volume (ECV) in amyloid patients with a novel T1 ...
Nasis Arthur A Monash Cardiovascular Research Centre, MonashHEART, Monash Health and Monash University Department of Medicine (MMC), Melbourne, Australia. Electronic address: - - 2014
The etiology of reduced left ventricular (LV) ejection fraction after exercise, without obstructive coronary artery disease or other established causes, is unclear. The aims of this study were to determine whether patients undergoing treadmill stress echocardiography with this abnormal LV contractile response to exercise (LVCRE) without established causes have resting ...
Fang Y Y Department of Extracorporeal Circulation, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, P.R. - - 2014
Blood and crystalloid cardioplegia are the main myocardial protective solutions used in pediatric cardiac surgery. However, the effectiveness of these two solutions on myocardial metabolism, reperfusion injury and clinical outcomes in pediatric patients is still under debate. The purpose of this meta-analysis was to compare the efficacy of these two ...
McAlindon Elisa J EJ From the Bristol Heart Institute (E.J.M., C.B.L., N.M., M.C.K.H., C.B.) and Clinical Trial and Evaluation Unit (M.P., J.M.H.), University of Bristol, Bristol NIHR Cardiovascular Biomedical Research Unit, Level 7 Queens Bldg, Bristol Royal Infirmary, Bristol BS2 8HW, England; Heart Hospital, London, England (J.C.M.); and Siemens Healthcare, Frimley, England - - 2014
Purpose To determine variability and agreement for detecting myocardial edema with T2-weighted short-tau inversion recovery ( STIR short-tau inversion recovery ), acquisition for cardiac unified T2 edema ( ACUT2E acquisition for cardiac unified T2 edema ), T2 mapping, and early gadolinium enhancement ( EGE early gadolinium enhancement ) after successfully ...
Antoniou George A GA Liverpool Vascular and Endovascular Service, Royal Liverpool University Hospital, Liverpool, UK. Electronic address: - - 2014
To investigate and analyse the existing evidence supporting statin therapy in patients with lower limb atherosclerotic arterial disease. A systematic search of electronic information sources was undertaken to identify studies comparing cardiovascular outcomes in patients with lower limb peripheral arterial disease treated with a statin and those not receiving a ...
Zhu Yinsu Y Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. - - 2014
The present study aimed to investigate the association between cardiothoracic ratio (CTR) and left ventricular (LV) systolic function parameters in patients with or without preserved LV ejection fraction (LVEF). A total of 203 subjects suspected with coronary artery disease underwent chest radiography and dual source computed tomography coronary angiography (DSCT-CA). ...
Arvanitakis Zoe Z Rush University Medical Center, Chicago, IL - - 2014
-There are little data on the relationship of antiphospholipid antibodies (aPL) to pathologically-proven brain infarcts. We tested the hypothesis that aPL are associated with a higher odds of brain infarcts among older, community-dwelling persons who came to autopsy. -Specimens, and clinical and pathologic data, were derived from 607 deceased subjects ...
Lu Ken J KJ Department of Cardiology, Austin Health, Melbourne, Victoria, Australia; Department of Medicine, University of Melbourne, Melbourne, Victoria, - - 2014
Accurate assessment of right ventricular (RV) systolic function is important, as it is an established predictor of mortality in cardiac and respiratory diseases. We aimed to compare speckle tracking-derived longitudinal deformation measurements with traditional two-dimensional (2D) echocardiographic parameters, as well as real time three-dimensional echocardiography (RT3DE) and cardiac magnetic resonance ...
Selvaraj Senthil - - 2014
DWS, defined using posterior wall thickness (PWT) measurements from standard echocardiographic images (DWS = [PWT(systole)-PWT(diastole)]/PWT(systole)), has been proposed as a marker of LV diastolic stiffness. However, the equation for DWS is closely related to systolic radial strain, and whether DWS is associated with abnormal cardiac mechanics (reduced systolic strains and ...
Sleeper Meg M MM Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA - - 2014
Objective-To determine whether echocardiographic variables differed between successful (elite) and less successful (nonelite) Arabian endurance horses. Animals-34 Arabian horses that competed in endurance racing. Procedures-Horses were assigned to either an elite or nonelite group on the basis of results of a previous competition, and a standardized echocardiographic examination was performed ...
Jordan Jennifer H JH Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, - - 2014
-In a murine anthracycline-related cardiotoxicity model, increases in cardiovascular magnetic resonance (CMR) myocardial contrast-enhanced T1-weighted signal intensity are associated with myocellular injury and decreases in left ventricular ejection fraction (LVEF). We sought to determine if T1- and T2-weighted measures of signal intensity associate with decreases in LVEF in human subjects ...
Li T T Department of Ultrasound, Xiangyang Hospital, Hubei University of Medicine, Xiangyang, Hubei, China. - - 2014
The aim of this study was to apply speckle tracking imaging (STI) to evaluate rabbit sepsis induced myocardial injury. Rabbits were injected with the endotoxin lipopolysaccharide (LPS). before and 2h, 4h, 6h, 8h, 12h after the injection of LPS, conventional echocardiography and STI were performed to measure left ventricular end ...
- - 2014
[This corrects the article on p. 279 in vol. 4, PMID: 25276613.].
Karaman Kayihan K Department of Cardiology, Faculty of Medicine, Gaziosmanpasa University, Tokat, - - 2014
Coronary slow flow (CSF) is characterized by normal or near-normal coronary arteries with delayed opacification of the distal vasculature that it may cause angina pectoris, acute myocardial infarction, life-threatening arrhythmias, and sudden cardiac death. The Tp-e interval, Tp-e/QT ratio, and Tp-e/QTc ratio are also known as predictors of ventricular arrhythmogenesis. ...
Mehta Yatin Y Yatin Mehta, Dheeraj Arora, Institute of Critical Care and Anesthesiology, Medanta The Medicity, Haryana 122001, - - 2014
Cardiac output (CO) is the volume of blood ejected by each ventricle per minute and is the product of stroke volume and heart rate. CO can thus be manipulated by alteration in heart rate or rhythm, preload, contractility and afterload. Moreover it gives important information about tissue perfusion and oxygen ...
Collerton Joanna - - 2014
Guidelines advocate using B-type natriuretic peptides in the diagnostic work-up of suspected heart failure (HF). Their main role is to limit echocardiography rates by ruling out HF/LV dysfunction where peptide level is low. Recommended rule-out cut points vary between guidelines. The utility of B-type natriuretic peptides in the very old ...
Nazir Sheraz A - - 2014
Microvascular obstruction (MVO) secondary to ischaemic-reperfusion injury is an important but underappreciated determinant of short- and longer-term outcome following percutaneous coronary intervention (PCI) treatment of ST-elevation myocardial infarction (STEMI). Several small studies have demonstrated a reduction in the degree of MVO utilising a variety of vasoactive agents, with adenosine and ...
Lo Iudice Francesco F Hypertension Research Center and Department of Medical Translational Sciences, Federico II University Hospital, Naples, - - 2014
Type I Gaucher disease (GD1) is an autosomal recessive lysosomal storage disease characterized by multiorgan damage. Left ventricular (LV) involvement has been rarely reported. Accordingly, the aim of the study was to evaluate LV geometry and function in a series of patients with GD1. Eighteen patients with GD1, 18 age- ...
Jain Amish A Department of Pediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada; University of Toronto, Toronto, Ontario, Canada; Department of Physiology, University of Toronto, Toronto, Ontario, Canada. Electronic address: - - 2014
There is a paucity of echocardiographic data describing right ventricular (RV) dimensions and function in the early transitional newborn period. Fifty healthy term newborns underwent serial echocardiography at a mean of 15 ± 2 and 35 ± 2 hours of age. RV dimensions and functional indices were measured as recommended in the American Society of ...
Joshi Kamal R KR Einstein Heart and Vascular Institute, Division of Cardiology, Einstein Medical Center, Philadelphia, - - 2014
A presystolic wave (PSW) is commonly seen on Doppler examination of the left ventricular outflow tract (LVOT), but is little studied. We conducted a retrospective study to assess the prevalence of the PSW, correlations with various Doppler parameters, and its clinical significance. Two hundred echocardiograms, 100 with ejection fraction (EF) ...
Jablonowski Robert R From the Department of Radiology and Biomedical Imaging, School of Medicine, University of California-San Francisco, 185 Berry St, Suite 350, Campus Box 0946, San Francisco, CA - - 2014
Purpose To provide proof of concept that expansion of myocardial extracellular volume ( MECV myocardial ECV ), measured at contrast material-enhanced multidetector computed tomography (CT), can be used as a (a) marker for viability based on histologic confirmation and (b) predictor of severity of myocardial injury. Materials and Methods Animals ...
Ding Haiyan H Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University, Beijing, People's Republic of China; Department of Biomedical Engineering, Johns Hopkins School of Medicine, Baltimore, Maryland, - - 2014
Detecting variations in myocardial water content with T2 mapping is superior to conventional T2 -weighted MRI since quantification enables direct observation of complicated pathology. Most commonly used T2 mapping techniques are limited in achievable spatial and/or temporal resolution, both of which reduce accuracy due to partial-volume averaging and misregistration between ...
Torad Faisal A FA Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza Square P.O. 12211, Cairo, - - 2014
To evaluate cardiac size in normal German shepherd dogs (GSD) using the two-dimensional cardiothoracic ratio (CTR) and to use this measure for diagnosing GSD with altered cardiac size. One hundred clinically normal GSD as well as 46 GSD with altered cardiac size (microcardia or cardiomegaly). The CTR was computed as ...
Hoonhorst Maurits H W J MH 1De Vogellanden Centre for Rehabilitation, Zwolle, The Netherlands. 2Department of General Practice, University of Groningen, University Medical Centre Groningen, The Netherlands. 3Department of Neurology, Isala klinieken, Zwolle, The Netherlands 4Department of Rehabilitation Medicine, Isala Klinieken, Zwolle, The Netherlands. 5Research Institute MOVE Amsterdam, Department of Rehabilitation Medicine, VU University Medical Center, Amsterdam, The - - 2014
Motor evoked potentials (MEPs) and total motor conduction time (TMCT) induced by transcranial magnetic stimulation (TMS) are used to make assumptions about the prognosis of motor outcome after stroke. Understanding the different sources of variability is fundamental to the concept of reliability. Reliability testing of TMS-MEPs and TMCTs within and ...
Nguyen Christopher - - 2014
Despite the established role of late gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) in characterizing chronic myocardial infarction (MI), a significant portion of chronic MI patients are contraindicative for the use of contrast agents. One promising alternative contrast free technique is diffusion weighted CMR (dwCMR), which has been shown ex ...
Balcioğlu Akıf Serhat AS Department of Cardiology, Medical and Research Center of Alanya, Başkent University, Antalya, - - 2014
Epicardial adipose tissue (EAT) is a local source of various hormones, cytokines, and vasoactive substances affecting the myocardium. EAT contains abundant ganglionic plexi that interact with the autonomic nervous system. Evidence of the association between EAT and arrhythmia is limited, with the exception of atrial fibrillation. This study aimed to ...
Liu Y J YJ Department of Ultrasound, Second Affiliated Hospital of Harbin Medical University, Harbin 150086, - - 2014
The reperfusion injury that occurs in the early reperfusion often results in myocardial dysfunction. This study evaluated global and regional left ventricular (LV) function using speckle tracking echocardiography (STE) in a rabbit ischemia-reperfusion (I/R) model with and without ischemic postconditioning (I-PostC). The aim is to investigate the potential benefit of ...
Gramatikov Boris B Johns Hopkins University School of Medicine, Baltimore, MD, - - 2014
Coronary artery disease and myocardial ischemia cause substantial morbidity and mortality. While ischemia is traditionally diagnosed on the 12-lead electrocardiogram (ECG) by shifts in the ST segment, electrical changes are also produced within the QRS complex during depolarization of ischemic ventricular tissue, though these are often of small amplitude and ...
O'Donnell Daniel D Indiana University School of Medicine, Department of Emergency Medicine, Division of Out of Hospital Care, 3930 Georgetown Rd, Indianapolis, IN, USA. Electronic address: - - 2014
Early and accurate identification of ST-elevation myocardial infarction (STEMI) by prehospital providers has been shown to significantly improve door to balloon times and improve patient outcomes. Previous studies have shown that paramedic accuracy in reading 12 lead ECGs can range from 86% to 94%. However, recent studies have demonstrated that ...
White Steven K SK The Hatter Cardiovascular Institute, Institute of Cardiovascular Science, National Institute of Health Research University College London Hospitals Biomedical Research Centre, University College London, London, United Kingdom; The Heart Hospital, London, United - - 2014
This study aimed to determine whether remote ischemic conditioning (RIC) initiated prior to primary percutaneous coronary intervention (PPCI) could reduce myocardial infarct (MI) size in patients presenting with ST-segment elevation myocardial infarction. RIC, using transient limb ischemia and reperfusion, can protect the heart against acute ischemia-reperfusion injury. Whether RIC can ...
Yañez-Rivera Teresa G - - 2014
The amount of epicardial adipose tissue (EAT) around the heart has been identified as an independent predictor of coronary artery disease (CAD), potentially through local release of inflammatory cytokines. Ethnic differences have been observed, but no studies have investigated this relationship in the Mexican population. The objective of the present ...
Hayashi Shuji S Ultrasound Examination Center, Tokushima University Hospital, Tokushima, - - 2014
Hypertensive heart disease (HHD) and hypertrophic cardiomyopathy (HCM) are the most frequently encountered entities presenting left ventricular hypertrophy in routine echocardiographic examination, and their differentiation is sometimes difficult. Abnormalities in right ventricular (RV) myocardium have been reported frequently in patients with HCM more than in those with HHD. We therefore ...
Hakimelahi Reza R From the Neuroradiology Division and the Stroke Service, Massachusetts General Hospital, Harvard Medical School, - - 2014
Major anterior circulation ischemic strokes caused by occlusion of the distal internal carotid artery or proximal middle cerebral artery or both account for about one third of ischemic strokes with mostly poor outcomes. These strokes are treatable by intravenous tissue-type plasminogen activator and endovascular methods. However, dynamics of infarct growth ...
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