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Results 201 - 250 of 2029
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Cho Sang Cheol - - 2013
There were limited data about comparison of zotarolimus-eluting stents (ZES) and everolimus-eluting stents (EES) in patients with small coronary artery disease (CAD), especially in patients with acute myocardial infarction (AMI). The objective of this study was to compare the clinical outcomes of ZES and EES in patients with AMI for ...
Caliskan A - - 2013
Myocardial ischemia severely reduces myocyte longevity and function. Extensive interstitial edema and cell damage occur as a result of myocardial reperfusion injury. Current therapies are directed at prevention of ischemia-induced damage to cardiac tissue. Iloprost is a novel pharmaceutical agent for the treatment of ischemia. Twenty rats were segregated into ...
Liu Hong-Bo - - 2013
To investigate the effects of Xinjikang on the left ventricular hypertrophy remodeling and myocardial activity in hypertension. Sixty Wistar rats were randomly divided into four groups. The pressure-loaded left ventricular hypertrophy model was established with abdominal aorta ligation method. Rats in A and B groups were intragastrically administered with physiological ...
Erkut Bilgehan - - 2013
We sought to evaluate the effects of on-pump beating-heart versus conventional coronary artery bypass grafting techniques requiring cardioplegic arrest in patients with coronary artery disease with left ventricular dysfunction. We report the early outcomes associated with survival, morbidity and improvement of left ventricular function in patients with low ejection fraction ...
Girasis Chrysafios C Department of Cardiology, Erasmus University Medical Center, Rotterdam, the - - 2013
This study sought to investigate the impact of left main coronary artery (LMCA) 3-dimensional (3D) bifurcation angle (BA) parameters on 5-year clinical outcomes of patients randomized to LMCA percutaneous coronary intervention (PCI) in the SYNTAX (Synergy Between Percutaneous Coronary Intervention With Taxus and Cardiac Surgery) trial. BA can affect outcome ...
Ban Ji-Eun JE Division of Cardiology, Department of Internal Medicine, Korea University Medical Center, Seoul, - - 2013
The electrophysiological properties associated with favorable outcome of radiofrequency catheter ablation (RFCA) for idiopathic ventricular arrhythmia (VA) originating from the papillary muscle (PM) remain unclear. The purpose of this study was to investigate the relationships of electrophysiological characteristics and predictors with the outcome of RFCA in patients with VAs originating ...
Rossi Neto João Manoel - - 2013
Biochemical markers of myocardial injury are frequently altered after cardiac surgery. So far there is no evidence whether oral beta-blockers may reduce myocardial injury after coronary artery bypass grafting. To determine if oral administration of prophylactic metoprolol reduces the release of cardiac troponin I in isolated coronary artery bypass grafting, ...
Assad Renato Samy - - 2013
Increased glucose 6-phosphate dehydrogenase activity has been demonstrated in heart failure. This study sought to assess myocardial glucose 6-phosphate dehydrogenase activity in retraining of the subpulmonary ventricle of adult goats. Eighteen adult goats were divided into three groups: traditional (fixed banding), sham, and intermittent (adjustable banding, daily 12-hour systolic overload). ...
Sipić Tomislav T Clinic for Cardiovascular diseases Magdalena, Department of Cardiology, Krapinske toplice, Croatia. - - 2013
Diastolic dysfunction indicates a functional abnormality of diastolic relaxation, filling, or distensibility of the left ventricle (LV), regardless of whether the LVEF is normal or abnormal. Diastolic dysfunction is practically always progressive and connected with higher morbidity and mortality rates, and, if not treated may lead to a diastolic heart ...
Crisby M - - 2013
We determined whether plasma levels of circulating oxidized low-density lipoprotein (LDL; E06), immunoglobulin (Ig) G, and IgM autoantibodies binding to malonyldialdehyde-modified LDL (MDA-LDL) may predict cardiovascular events (CVEs). Patients (n = 123) with a previous myocardial infarction (MI) were included. The primary end point was defined as any of the ...
Takeuchi Takahiro - - 2013
We assessed the relationship between J waves and the ventricular morphology and function using cardiac magnetic resonance imaging (MRI). The 12-lead electrocardiograms (ECGs) of 105 consecutive patients who underwent cardiac MRI were reviewed, and those with signs of arrhythmogenic right ventricular cardiomyopathy, complete left bundle branch block, complete right bundle ...
Teragawa Hiroki H Hiroki Teragawa, Department of Cardiovascular Medicine, Hiroshima General Hospital of West Japan Railway Company, Hiroshima 732-0057, - - 2013
To investigate the effects of different doses of aspirin on coronary endothelial function. The study included 139 Japanese subjects (mean age, 60 years; 53 women) with angiographically normal coronary arteries. Patients were distributed into Group I (n = 63), who was administered aspirin and Group II (n = 76), the control, who ...
Brotanek Jaroslav J 2nd Department of Internal Medicine, Thomayer University Hospital, Prague, Czech Republic. jaroslav.brotanek@ftn.cz; - - 2013
The aim of this study was to prove that the incidence of the more unusual and largely under-researched cardiac dysfunction, i.e. diastolic, is more frequent in patients with alcoholic cirrhosis. Comparison of the incidence of left ventricular diastolic dysfunction in medical-ward patients with no prior history of cardiovascular disease to ...
Ismail Ahmed M - - 2013
We explored the prevalence and pattern of abnormal myocardial perfusion in patients with isolated coronary artery ectasia (CAE), as demonstrated by (99m)Tc-sestamibi scintigraphy. Prospectively, we enrolled 35 patients with angiographically documented CAE and no significant coronary obstruction, who underwent elective coronary angiography. Patients underwent Stress-rest (99m)Tc-sestamibi scintigraphy within 4 days of ...
Dudek Dariusz - - 2013
Aims: Using the database from the large-scale, prospective, randomised HORIZONS-AMI trial, the authors sought to assess the impact of bifurcation target lesions (BTL) on angiographic, electrocardiographic, and clinical outcomes in patients with ST-segment elevation myocardial infarction (STEMI) undergoing percutaneous coronary intervention (PCI). Methods and results: In HORIZONS-AMI, bifurcation lesions in ...
Dong Mei - - 2013
No-reflow phenomenon is a serious complication of percutaneous coronary intervention (PCI) which is closely related to the incidence of major adverse cardiovascular events. It has been demonstrated that Postconditioning (PostC) during primary PCI confers protection against ischemia-reperfusion injury and thus might reduce infarct size. However, whether PostC may exert its ...
Sun Lijun - - 2013
PR39 is an angiogenic masterswitch protein, belonging to the second generation of angiogenic growth factors. However, the role of recombinant adeno-associated virus (AAV) carrying the PR39 fusion gene (AAV-PR39) in acute myocardial infarction remains unclear. Therefore, in this study, we investigated the role of AAV-PR39 in an experimental animal model ...
Erdogan Ercan - - 2013
Our aim was to evaluate cardiac function and myocardial contractility in patients with overt hypothyroidism using two-dimensional speckle tracking echocardiography (2D-STE) strain imaging and real-time three-dimensional echocardiography (RT3DE) and compare the changes at one month after starting the treatment. We also compared the P wave dispersion (Pdis) in patients with ...
Behrenbeck Thomas R - - 2013
Intramyocardial microvessels show functional changes in early stages of atherosclerosis prior to epicardial coronary artery stenosis. However, clinical CT does not have adequate spatial resolution to resolve the microvessels. To clinically detect changes in the function of the intramyocardial microcirculation, the spatial heterogeneity of the distribution of myocardial perfusion (F) ...
Aldhoon Bashar - - 2013
Following myocardial infarction, left ventricular function is determined by cardiac remodeling occurring in both infarcted and non-infarcted myocardium (NIM). Unipolar voltage mapping may detect remodeling changes in NIM that are associated with the left ventricular ejection fraction (LVEF). We aimed to identify 1) unipolar voltage characteristics in patients with chronic ...
Wu Nan - - 2013
Ischemic postconditioning (IPO) reduces lethal reperfusion injury under normal conditions, but its effectiveness in hypercholesterolemia (HC) is disputed. We measured the cardioprotection of IPO in hypercholesterolemic rats and determined the roles of glycogen synthase kinase-3β (GSK-3β) and the mitochondrial permeability transition pore (mPTP). Isolated rat hearts underwent 30-min global ischemia ...
Yu Wei W Department of Paediatrics and Adolescent Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong, - - 2014
Myocardial fibrosis and perfusion abnormalities can occur in patients with Kawasaki disease (KD). We explored using the new three-dimensional speckle tracking echocardiography (3DSTE) the left ventricular (LV) mechanics in adolescents and young adults with a history of KD. Twenty-five KD patients (18 males) aged 17.0 ± 5.2 years, 14 with (group I) and ...
Xie Hong - - 2013
This study was designed to use real-time imaging to test the hypothesis that delayed cardiac protection induced by volatile anesthetics inhibits apoptosis. Rats were divided into two groups. One group was exposed to 120 min of 33 % O2 [control group (CON group)] and the other group was exposed to 2.5 % sevoflurane ...
Yilmaz Mustafa - - 2013
Leukocytes are reported as crucial not only for plaque activation but also in thrombus formation in acute coronary syndromes (ACSs). Among the markers of inflammation, in coronary artery disease neutrophil-lymphocyte ratio (NLR) has been reported to have the greatest predictive power of poor outcomes. Our aim was to evaluate the ...
Wang Xian X Department of cardiology, Dongzhimen hospital Affiliated to Beijing University of Chinese Medicine, Beijing, 100700, - - 2014
Acute Coronary Syndrome (ACS), is a serious threat to people's health, and life, and in recent years, the incidence has increased yearly. This study was to propose the hypothesis of "endogenous collateral wind" based on the patho-mechanism of thrombogenesis complicated by ruptured plaque on ACS, and the theory of traditional ...
Gloekler Steffen - - 2013
To evaluate the effect of heart rate reduction by ivabradine on coronary collateral function in patients with chronic stable coronary artery disease (CAD). This was a prospective randomised placebo-controlled monocentre trial in a university hospital setting. 46 patients with chronic stable CAD received placebo (n=23) or ivabradine (n=23) for the ...
Zhou Yi - - 2013
Dilation resistance to stenting in non-calcified coronary plaques was compared in patients with percutaneous coronary intervention (PCI) in order to confirm the clinical usefulness of multislice computed tomography in examining coronary plaque type and to provide information pertaining to the effects of plaque type on dilatation resistance. A retrospective analysis ...
Mytas Dimitrios - - 2013
Early statin treatment has beneficial effects on the prognosis after acute coronary syndromes. We investigated the impact of prior statin treatment on the outcome of patients without a prior history of coronary artery disease (CAD) who presented with ST-elevation myocardial infarction (STEMI) and were treated with thrombolysis. The study enrolled ...
Tekin Kamuran K Department of Cardiology, Batman State Hospital, Batman, - - 2013
We have intended to investigate the influence of the timing of invasive procedures on all-cause mortality, recurrent myocardial infarction (MI), re-hospitalization due to cardiac causes and left ventricular function over a 3-month period among patients with Non-ST-elevation myocardial infarction (NSTEMI). A total of 131 NSTEMI patients with moderate-high Thrombolysis in ...
Sung Pei-Hsun - - 2013
Background: This study reported the incidence and prognostic outcome of chronic obstructive lung disease (COPD) patients with acute ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). Methods: Between January 2002 and May 2011, totally 1554 consecutive patients who experienced STEMI undergoing primary PCI were enrolled into the ...
Ibrahim O O O. Ibrahim, Department of Medicine, University Kebangsaan Malaysia Medical Centre, Cheras 56000, Kuala Lumpur, - - 2013
Objectives: To determine the prevalence of aspirin resistance and associated risk factors based on biochemical parameters using whole blood multiple electrode aggregometry. Methods: The study was conducted at the outpatients cardiology clinic of the Universiti Kebangsaan Malaysia Medical Centre (UKMMC) from August 2011 to February 2012. Subjects on aspirin therapy ...
Alizadeh-Ghavidel Alireza A Associate Professor, Heart Valve Disease Research Center AND Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, - - 2013
Reperfusion ventricular fibrillation after aortic cross clamp is one of the important complications of open cardiac surgery and its prevention could reduce myocardial injuries. This study aimed to evaluate the efficacy of single dose of amiodarone or lidocaine by the way of pump circuit three minutes before aortic cross clamp ...
Wang J J Department of Cardiology, The First Hospital of China Medical University, Shenyang 110001, - - 2013
To discuss the positive rate of ventricular late potential (VLP) between patients with acute ST-segment elevation myocardial infarction (STEMI) and patients with acute non NSTEMI. One hundred and sixty-three cases of acute myocardial infarction (90 patients with STEMI and 73 with NSTEMI), admitted to the First Hospital of China Medical ...
Bibli Sofia-Iris - - 2013
Chronic skeletal muscle ischemia protects the ischemic heart by preserving coronary flow and inducing arterioangiogenesis. We sought to determine the effect and the underlying molecular mechanisms of preconditioning (PreC) and postconditioning (PostC), applied in a model of chronic skeletal muscle ischemia. Male rabbits were divided into 3 series. In each ...
Kong Feng F Central Research Laboratory, The Second Hospital of Shandong University, Jinan, Shandong 250033, P.R. - - 2014
The aim of the present study was to investigate the protective effect of baicalin (BA) against ischemia-reperfusion (I/R) injury in isolated rat hearts. Sprague-Dawley rat hearts were rapidly removed, mounted on a Langendorff apparatus and subjected to 30 min ischemia followed by 30 min reperfusion with Krebs-Henseleit (K-H) solution at ...
Sonne Carolin - - 2013
There is little consensus on optimal atrioventricular (AV) and ventricular-to-ventricular (VV) intervals in cardiac resynchronization therapy (CRT). The aim of this study was to examine a novel combination of Doppler echocardiography (DE) and three-dimensional echocardiography (3DE) for individualized AV- and VV-interval optimization compared to conventional electrocardiogram (ECG) optimization. In this ...
Kholmukhamedov Andaleb A Department of Drug Discovery and Biomedical Sciences, Medical University of South Carolina, Charleston, South - - 2014
Recent studies suggest that an increase in apoptosis within the myocardium may be a contributing factor for the progression of late adverse left ventricular (LV) remodeling following myocardial infarction (MI). Given that apoptosis is often triggered by induction of the mitochondrial permeability transition (MPT) pore, the goal of this study ...
Baktir Ahmet Oguz - - 2013
The relationship between extent, severity, and complexity of coronary artery disease (CAD) in patients with ST-segment elevation myocardial infarction (STEMI) and serum γ-glutamyl transferase (GGT) activity has not been adequately studied. We evaluated the relationship between GGT activity and the burden of CAD as assessed by SYNTAX score (SXscore) in ...
Pan Guangwei - - 2013
Few data exist about the effect of cardiac resynchronization therapy (CRT) on left atrial (LA) reverse remodeling and function, and whether echocardiographic (echo)-guide pacemaker optimization of atrioventricular and interventricular delays could beneficially affect LA reverse remodeling in long-term CRT therapy. Effect of periodic pacemaker optimization on LA reverse remodeling induced ...
Fournier Stephane - - 2013
Objectives: To test if the time of day significantly influences the occurrence of type 4A myocardial infarction in elective patients undergoing percutaneous coronary intervention (PCI). Background: Recent studies have suggested an influence of circadian rhythms on myocardial infarction size and mortality among patients with ST-elevation myocardial infarction. The aim of ...
Kaya Mehmet Gungor - - 2013
The effect of β-blockage on cardiac dyssynchrony in idiopathic dilated cardiomyopathy (IDC) is unknown. This study evaluated the impact of carvedilol and metoprolol succinate on left ventricular (LV) dyssynchrony and reverse remodeling in IDC. In this small, prospective, double-blind study, we randomly assigned 81 IDC patients to receive carvedilol or ...
Tonon Jair - - 2013
Although cardiac muscle hypertrophy has been studied in association with several diseases, its mechanism in patients with emphysema, in particular in relation to oxidative stress and proteolysis, remains unknown. The role of oxidative stress and proteolysis in right and left ventricle hypertrophy was investigated in hamsters with emphysema induced by ...
Raffay Violetta - - 2013
Cardiac arrest is a daunting medical emergency. The aim of the present study was to assess whether the combination of adrenaline and glucagon would improve initial resuscitation success, 48-hour survival, and neurologic outcome compared with adrenaline alone in a porcine model of ventricular fibrillation. Ventricular fibrillation was induced in 20 ...
Zhao Qifeng - - 2013
This study aims to determine the effect of Lipoxin (LX)A4 on myocardial ischemia reperfusion injury (MIRI) in rats and the related molecular mechanisms. Male SD rats were divided into six groups. The sham operation groups (groups C1, C2) were injected with 2 ml/kg normal saline before and after coronary artery ...
Häggström J - - 2013
Pimobendan and benazepril are frequently used with diuretics to treat dogs in congestive heart failure (CHF) caused by myxomatous mitral valve disease (MMVD). To compare the short-term effects of pimobendan versus benazepril on pump function, heart size, and neuroendocrine profile in dogs with CHF caused by MMVD. Sixteen client-owned dogs. ...
Braggion-Santos M F - - 2013
Late gadolinium enhancement cardiac magnetic resonance (LGE-CMR) enables high-resolution myocardial tissue characterization, showing the results of different injuries, especially in the early period after heart transplantation (HTX). We sought to apply LGE-CMR to investigate the prevalence and patterns of infarct-atypical myocardial involvement and associated mechanisms in patients early and late ...
Benedek Imre - - 2013
Aim: To assess the long-term effects of intracoronary stem cell (SC) infusion following acute myocardial infarction (AMI) on the local atherosclerotic process at the site of infusion after four years of follow-up. Methods: We evaluated 18 post-AMI patients. Group 1 consisted of nine patients given an intracoronary injection of autologous ...
Chung Seungmin - - 2013
We sought to determine the relationship between white blood cell count (WBCc) and infarct size assessed by cardiovascular magnetic resonance imaging (CMR) in patients undergoing primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI). In 198 patients undergoing primary PCI for STEMI, WBCc was measured upon arrival and CMR ...
Betensky Brian P - - 2013
-Identification of intramural basal-septal ventricular tachycardia (VT) substrate is challenging in nonischemic cardiomyopathy (NICM). We sought to: 1) Characterize normal/abnormal (NICM) transseptal RV to LV activation; 2) Assess the effect of "opposite" RV pacing on LV septal bipolar electrograms (EGMs); and 3) Establish criteria for identification of intramural septal VT ...
Tasal Abdurrahman - - 2013
We assessed the association between serum cystatin C (CysC) levels and coronary slow flow (CSF) phenomenon in patients who underwent coronary angiography. A total of 210 patients (mean age 55.6 ± 10.9 years; 100 females) were included. Patients were divided into 3 groups, (patients with CSF [group 2], with coronary ...
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