Search Results
Results 401 - 450 of 2033
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Chen Ren-Hua - - 2013
The expression of the chemorepellent Sema3a is inversely related to sympathetic innervation. We investigated whether overexpression of Sema3a in the myocardial infarction (MI) border zone could attenuate sympathetic hyper-innervation and decrease the vulnerability to malignant ventricular tachyarrhythmia (VT) in rats. Survived MI rats were randomized to phosphate buffered saline (PBS, ...
Gao Jianzhi - - 2013
The aim of this study was to investigate the effect of limb ischemic preconditioning (LIPC) on myocardial apoptosis in myocardial ischemia-reperfusion injury (MIRI), as well as the regulation of caspase-3 and the B cell lymphoma 2 (Bcl-2) gene in LIPC. A total of 50 rats were divided randomly into 5 ...
Wang Zhong-Ming - - 2013
The aim of this study was to explore the chronergy of intravenous recombinant streptokinase (r-SK) in patients with acute myocardial infarction (AMI). A total of 114 patients were divided into two groups according to the time of AMI onset: the morning onset (6:01-12:00, n=53) and non-morning onset (12:01-06:00, n=61) groups. ...
Kim Hyun Soo - - 2013
An association between chronic stress and cardiovascular diseases has been described, but the underlying mechanisms have not been fully elucidated. We investigate the impact of perceived stress on the left ventricular (LV) and endothelial functions in postmenopausal women. We investigated 64 consecutive postmenopausal women (mean age 56.7±9.7 years) with atypical ...
Veljović Milić - - 2013
Despite recent advances in coronary artery bypass grafting (CABG), cardioplegic cardiac arrest and cardiopulmonary bypass (CPB) are still associated with myocardial injury. Accordingly, the efforts have been made lately to improve the outcome of CPB by glucose-insulin-potassium, adenosine, Ca(2+)-channel antagonists, L-arginine, N-acetylcysteine, coenzyme Q10, diazoxide, Na+/H+ exchange inhibitors, but with ...
Kaya Z - - 2013
Background. Ceruloplasmin (Cp) is a serum protein that belongs to the family of α2-globulins and it is increased in patients with after acute myocardial infarction complicated with heart failure. Aim of the study was to investigate levels of serum Cp in patients with acute decompensated heart failure. Materials and Methods. ...
Morimoto Naoto - - 2013
The efficacy of chordal-preserved mitral valve replacement (MVR) on left ventricular function was investigated in patients with mitral stenosis. Eighty patients (25 males, 55 females; mean age 64.5 +/- 8.7 years) with pure mitral stenosis who underwent MVR between January 1999 and May 2008 were studied retrospectively. Of these patients, ...
Lee Jae-Hwan - - 2013
Evaluation of: Farkouh ME, Domanski M, Sleeper LA et al. Strategies for multivessel revascularization in patients with diabetes. N. Engl. J. Med. 367, 2375-2384 (2012). The FREEDOM trial enrolled 1900 patients with diabetes and multivessel coronary disease to percutaneous coronary intervention (PCI) with drug-eluting stents or coronary artery bypass grafting ...
Ahn Sun Jun SJ Departments of Radiology, School of Medicine, Ajou University, Suwon, South - - 2013
We assessed the accuracy of coronary computed tomography angiography (CTA) in patients with an Agatston calcium score (ACS) of greater than 400 by comparing it with invasive coronary angiography (ICA), and we evaluated the predictive value of CTA for obstructive coronary heart disease (CHD) compared with traditional clinical risk assessment. ...
Ilia Reuben - - 2013
Background: The left anterior descending artery (LAD) supplies blood to a large part of the myocardium. However, the amount of myocardium supplied varies depending on the length of the LAD and as a result, occlusion of its proximal portion may influence outcome. We investigated the prognosis of patients with anterior ...
Hu Zhao-Yang - - 2013
Emulsified isoflurane (EIso) preconditioning can induce cardioprotection. We investigated whether EIso application after ischemia protects hearts against reperfusion injury and whether it is mediated by the inhibition of apoptosis. Rats were subjected to 30-min coronary occlusion followed by 180-min reperfusion. At the onset of reperfusion, rats were intravenously administered saline ...
Arslan Uğur - - 2013
OBJECTIVES: Monocytes and mature macrophages play significant roles after myocardial infarction. Here, our aim is to investigate the monocyte heterogeneity in acute ST elevation myocardial infarction (STEMI) and non-STEMI separately and determine any possible relationships between monocyte heterogeneity and coronary angiographic characteristics. METHODS: Thirty STEMI, 30 non-STEMI, and 25 stable ...
Yi Gijong - - 2013
BACKGROUND: Second-generation drug-eluting stents (DESs) are known to have better safety and clinical outcomes compared with the first-generation DESs. We compared the clinical results of off-pump coronary artery bypass grafting (OPCAB) with percutaneous coronary intervention (PCI) using second-generation DESs. METHODS: The study enrolled 1,821 patients with triple-vessel or left main ...
Li Zhijuan - - 2013
OBJECTIVE: This study evaluated the effect of early application of intra-aortic balloon pump (IABP) counterpulsation in patients with ST-segment elevation acute myocardial infarction (STEMI), scheduled for elective percutaneous coronary intervention (PCI). METHODS: Patients who had experienced STEMI for 12-72 h received (IABP group) or did not receive (control group) IABP counterpulsation ...
Nakamura Akihiro - - 2013
Strong psychosocial stress is considered to be a precipitating factor in acute coronary events. To assess the hypothesis that the incidence of acute myocardial infarction (AMI) and its severity was remarkably heightened after the great earthquake, we retrospectively analyzed the clinical data of patients with AMI admitted to our hospital ...
Saccheri María C - - 2013
Fabry disease (FD) is characterized by left ventricular hypertrophy (LVH). Conventional echocardiography is not sensitive enough to perform the preclinical diagnosis To assess whether longitudinal myocardial strain of the left ventricle (LV), using speckle tracking, is useful to detect early myocardial involvement in FD. Forty-four patients with FD who were ...
Sürder Daniel - - 2013
BACKGROUND: Intracoronary administration of autologous bone marrow derived mononuclear cells (BM-MNC) may improve remodeling of the left ventricle (LV) after acute myocardial infarction (AMI). The optimal time point of administration of BM-MNC is still uncertain and has rarely been addressed prospectively in randomized clinical trials. METHODS AND RESULTS: In a ...
Zemánek David - - 2013
BACKGROUND: The aim of this randomized study was to investigate the effect of seven-day high-dose atorvastatin therapy on the incidence of peri-procedural myocardial infarction (PMI) in patients receiving long-term statin therapy. METHODS: The patients with stable angina receiving statin therapy and referred for percutaneous coronary intervention (PCI) were randomized (ratio ...
Gatzoulis Konstantinos A - - 2013
BACKGROUND: -We considered the role of programmed ventricular stimulation (PVS) in primary prevention of sudden cardiac death (SCD) in an idiopathic dilated cardiomyopathy (IDCM) population. METHODS AND RESULTS: -158 IDCM patients underwent PVS. Ventricular tachycardia/ventricular fibrillation (VT/VF) was triggered in 44 patients (group I, 27.8%) versus 114 patients (group II) ...
Bockeria Leo A - - 2013
BACKGROUND: We aimed to evaluate the graft patency rate following coronary artery bypass grafting (CABG) to the left anterior descending artery (LAD) with proximal myocardial bridging (MB). While MB is generally a benign coronary abnormality, ischemia, stunning, and sudden death have been reported. In symptomatic patients with proximal LAD systolic ...
Sapouna Rallou - - 2013
Troponin I (cTnI) is a very sensitive biochemical marker for the diagnosis of myocardial infarction (MI). Cardiac troponin (cTnI or cTnT) has nearly absolute myocardial tissue specificity, thereby reflecting even microscopic zones of myocardial necrosis. The aim of this study is to evaluate the pericardial fluid levels of cTnI in ...
Liu Chang - - 2013
BACKGROUND: Myocardial functional recovery after revascularization is considered the "gold standard" for myocardial viability (MV) assessment. However, the patency of the revascularized coronary artery affects myocardial functional recovery in patients subjected to coronary artery bypass grafting (CABG). The influence of graft patency on viability results has not been widely studied. ...
Karpov Andrey A AA Department of Pathophysiology, IP Pavlov Federal Medical University, St-Petersburg, Russia. - - 2013
This study aimed to investigate the effect of bone marrow- and adipose tissue-derived mesenchymal stem cell (BM-MSC and AD-MSC respectively) transplantation on left ventricular function and infarct area (IA) in the rat model of ischaemic heart failure. In anaesthetized Wistar rats, the left coronary artery (LCA) was occluded for 40 ...
Yuksel V - - 2013
Aims:The aim of this study was to investigate whether normothermic bypass is superior to mild hypothermia in patients with poor left ventricular function. This was achieved by studying defibrillation rates, postoperative requirements of cardiac pacing or other morbidity issues and mortality in patients with left ventricular dysfunction operated upon for ...
Rechciński T - - 2013
Background: There are no reliable data concerning the safety and benefits of physical rehabilitation in patients with a two-vessel disease before the second stage of angioplasty. The aim of this study was to evaluate the efficiency of early cardiac rehabilitation in patients with acute coronary syndromes and with angiographically significant ...
Ma Yi - - 2013
The present study aimed to investigate the factors related to short-term prognosis in patients undergoing direct percutaneous coronary intervention (PCI) for acute ST-segment elevation myocardial infarction (STEMI). A total of 805 patients were included and divided into a control group and an adverse cardiovascular events group based on the prognosis, ...
Zhang You - - 2013
The present study examined the optimal timing of tirofiban administration in moderate- or high-risk non-ST segment elevated acute coronary syndrome (NSTE-ACS) patients undergoing percutaneous coronary intervention (PCI). Eligible patients were randomized into two groups. Tirofiban was administered routinely at ≥ 4 h before angiography (routine early group; n = 141 patients) or provisionally only ...
Tan Zheng - - 2013
The aim of this study was to observe and investigate the clinical efficacy of an intravenous drip of isosorbide mononitrate (ISMN) for the treatment of angina pectoris in coronary heart disease. A total of 102 patients with angina pectoris in coronary heart disease were divided into two groups. For the ...
Muschart Xavier - - 2013
Alcohol is the most widely tolerated and consumed drug worldwide. Alcohol consumption is associated with both good and bad cardiovascular effects. The link between drinking alcohol and heart disease, or arrhythmia, in healthy individuals or with existing heart disease has been well demonstrated. We report the case of a patient ...
Lotfi-Tokaldany Masoumeh - - 2013
Several echocardiographic markers have been introduced to assess the left ventricular (LV) mechanical dyssynchrony. We studied dyssynchrony markers and the latest LV activation site in heart failure patients with and without left bundle branch block (LBBB). Conventional echocardiography and tissue velocity imaging were performed for 78 patients (LV ejection fraction ...
Pandey Anil Kumar - - 2013
Obesity is associated with increased cardiovascular morbidity and mortality. A direct effect of isolated obesity on cardiac function is not well established. The study was designed to determine the direct effect of various grades of isolated obesity on Echocardiographic indices of systolic and diastolic left ventricular function. Forty five overweight ...
Lin Xuefeng X Xuefeng Lin, Department of Cardiovascular Medicine, First Affiliated Hospital of Medical College of Xi'an Jiaotong University; Institute of Cardiovascular Channelopathy, Key Laboratory of Environment & Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education; Key Laboratory of Molecular Cardiology, Shannxi Province; No.277 Yanta West Road, Xi'an, 710061, P. R. - - 2013
To explore the effects of preoperative administration of conventional doses of atorvastatin plus trimetazidine on the myocardial injury of patients during the perioperative period of percutaneous coronary intervention (PCI). 475 cases of acute coronary syndrome patients before PCI were randomly divided into the control group (238 cases) and experimental group ...
Apps Andrew - - 2013
BACKGROUND: Primary percutaneous coronary intervention (PPCI) programmes vary in admission criteria from open referral to acceptance of electrocardiogram (ECG) protocol positive patients only. Rigid criteria may result in some patients with acutely occluded coronary arteries not receiving timely reperfusion therapy. OBJECTIVE: To compare the prevalence of acute coronary occlusion and, ...
Mizukoshi Masato - - 2013
The characteristics of coronary artery calcium responsible for vulnerable plaque remain incompletely elucidated. We used optical coherence tomography to investigate the characteristics of coronary calcium in acute myocardial infarction (AMI), unstable angina pectoris (UAP), and stable angina pectoris (SAP). We evaluated calcium deposits in the culprit lesions (30-mm segment) using ...
Shishikura Daisuke - - 2013
Background: Mechanical reperfusion has proven to be an unquestionably superior treatment strategy over that of thrombolytic therapy in patients with acute coronary syndrome (ACS). Excimer laser coronary angioplasty (ELCA) is a unique revascularization device that has a lytic effect on thrombus, in addition to its debulking effect on the atherosclerotic plaque ...
Walker Robin K RK Department of Physiology & Biophysics, College of Medicine, Howard University, Washington, DC 20059, - - 2013
Since its advent, alcohol has been utilized throughout history socially, for rituals, worship, and for its therapeutic, antibacterial, and analgesic properties. In moderation, alcohol consumption and its use are generally viewed as clinically beneficial. Excessive alcohol consumption on the other hand has been recognized as having several adverse implications. Excessive ...
Ishii Shunsuke - - 2013
Although an increased heart rate (HR) is a strong predictor of poor prognosis in cases of chronic heart failure (HF), the clinical value of HR as a predictor in acute decompensated HF (ADHF) is unclear. Seventy-eight patients with nonischemic dilated cardiomyopathy (NIDCM) with sinus rhythm who were first hospitalized for ...
Baker Polly - - 2013
INTRODUCTION: Many studies have demonstrated a rise in troponin and brain natriuretic peptide (BNP) levels following prolonged and/or strenuous exercise. Only one study looked at athletes who collapse and this showed no difference in cardiac biomarkers between those who collapsed and those who completed without requiring medical attention. We set ...
Lukács Edit - - 2013
The diagnostic characteristics of electromechanical mapping (EMM) were evaluated in porcine myocardial infarction (MI) models with the parallel application of cardiac magnetic resonance imaging (cMRI) from the aspect of different pathophysiology and localization. Balloon occlusion in the left anterior descending coronary artery (LAD balloon group) or coil deployment in the ...
Alici Gokhan - - 2013
BACKGROUND: Primary percutaneous coronary intervention (PPCI) is the standard treatment in patients with ST-segment elevation myocardial infarction (STEMI). Thrombectomy devices are used to remove thrombus or to prevent embolization of thrombus and plaque during PPCI. QT dispersion (the difference between maximal and minimal QT interval calculated on a standard 12-lead ...
Zheng Si-Dao - - 2013
OBJECTIVE: To investigate the regulatory effects of Shenfu Injection (SFI, ) on hemodynamic parameters and serum proteins in rats with post-infarction chronic heart failure (CHF). METHODS: Forty-five healthy Wistar rats were randomized into three groups: sham, heart failure (model) and SFI group. The CHF was induced by left coronary artery ...
Xiao Mingyue - - 2013
OBJECTIVE: Ischaemia-induced angiogenesis promises to improve neovascularization by delivery of angiogenic factors or endothelial progenitor cells (EPCs) to cardiac ischaemic areas. In order to avoid the risk of excessive myocardial ischaemia, therefore, we hypothesized that physiological ischaemic training (PIT) of normal skeletal muscle might contribute to myocardial angiogenesis via nitric ...
Martínez Gonzalo - - 2013
BACKGROUND: Hypercholesterolemia is a strong risk factor for myocardial infarction (MI). There is scarce information regarding lipoprotein levels among patients with MI in Latin America as well as about the association of very early statin therapy during the course of acute MI. HYPOTHESIS: Very early statin prescription might be associated ...
Hayashi Daisuke - - 2013
OBJECTIVES: We investigated whether the (99m)Tc-sestamibi (MIBI) washout rate (WR) would predict mitochondrial damage and myocardial dysfunction in dilated cardiomyopathy (DCM) patients. BACKGROUND: Myocardial mitochondrial damage reduces ATP production, resulting in myocardial dysfunction. Increased myocardial (99m)Tc-MIBI washout is reportedly caused by mitochondrial dysfunction. METHODS: Twenty DCM patients (NYHA I to ...
Ternacle J - - 2013
BACKGROUND: Diuretics are conventionally prohibited in acute right ventricular myocardial infarction. AIMS: To assess the benefit of diuretics compared to fluid expansion in patients with inferior myocardial infarction extended to the right ventricule. METHODS: Of 295 patients admitted for inferior or posterior acute myocardial infarction between November 2008 and November ...
Gullu Hakan - - 2013
SUBJECTS: Thirty-six patients with psoriasis and 56 healthy volunteers were included in this study. METHODS: Echocardiographic examination included transmitral peak flow velocities of the early phase (E) and late phase (A) of the mitral inflow, left ventricular myocardial velocity measurements, and coronary flow reserve (CFR) measurement. RESULTS: Baseline coronary diastolic ...
Grall Sylvain - - 2013
Remote ischemic perconditioning (RIPer) and local ischemic postconditioning (IPost) are promising methods to decrease ischemia-reperfusion (I/R) injury. We tested whether these two methods were effective in reducing infarct size through activation of endoplasmic reticulum (ER) stress response, a potential survival pathway. Rats exposed to myocardial I/R were allocated to one ...
Armstrong Paul W PW Canadian Virtual Coordinating Centre for Global Collaborative Cardiovascular Research, University of Alberta, Edmonton, - - 2013
It is not known whether prehospital fibrinolysis, coupled with timely coronary angiography, provides a clinical outcome similar to that with primary percutaneous coronary intervention (PCI) early after acute ST-segment elevation myocardial infarction (STEMI). Among 1892 patients with STEMI who presented within 3 hours after symptom onset and who were unable ...
Lu Minjie - - 2013
BACKGROUND: Our preliminary study suggested that patients with chronic myocardial infarction (MI) and heart failure could potentially benefit from CABG combined with aBM-MNC by improving global left ventricular (LV) function. The purpose of this sub-study was to quantitatively evaluate the effectiveness of aBM-MNC transplantation during CABG in patients with chronic ...
Liu Yu - - 2013
BACKGROUND: Diabetes mellitus (DM) exacerbates coronary artery disease (CAD) morbidity and mortality. Mesenchymal stem cells (MSCs) play an important therapeutic role in myocardial ischemic injury. However, little is known about changes in the cardioprotective characteristics of MSCs from patients with DM. METHODS: Sternal bone marrow aspirates were taken at the ...
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