Quantification of infarction in cross sections of canine myocardium in vivo with positron emission transaxial tomography and 11C-palmitate.

abstract：BACKGROUND:Magnetic resonance imaging (MRI) is an accurate method for the quantitative assessment of organic mitral regurgitation (OMR). The aim of the present study was to compare the discriminative power of MRI quantification and the recommended Doppler echocardiography (ECHO)-derived integrative approach to identify...

journal_title：Circulation

authors： Penicka M,Vecera J,Mirica DC,Kotrc M,Kockova R,Van Camp G

更新日期：2018-03-27 00:00:00

abstract：BACKGROUND:Transplantation of ex vivo expanded circulating endothelial progenitor cells (EPCs) from peripheral blood mononuclear cells improves the neovascularization after critical ischemia. However, the origin of the endothelial progenitor lineage and its characteristics have not yet been clearly defined. Therefore, ...

journal_title：Circulation

authors： Urbich C,Heeschen C,Aicher A,Dernbach E,Zeiher AM,Dimmeler S

更新日期：2003-11-18 00:00:00

abstract：:Cardiac events of early diastole were studied in 50 normal subjects and 46 patients with mitral stenosis (MS) by simultaneous recordings of the mitral valve echogram (MVE), phonocardiogram, and apexcardiogram (ACG). Left ventricular isovolumic relaxation time (IRT), measured between A2 and onset of the MVE opening mot...

journal_title：Circulation

authors： Toutouzas P,Velimezis A,Castellanos S,Avgoustakis D

更新日期：1978-04-01 00:00:00

abstract：BACKGROUND:Receptor-mediated activation of myocardial Gq signaling is postulated as a biochemical mechanism transducing pressure-overload hypertrophy. The specific effects of Gq activation on the functional and morphological adaptations to pressure overload are not known. METHODS AND RESULTS:To determine the effects o...

journal_title：Circulation

authors： Sakata Y,Hoit BD,Liggett SB,Walsh RA,Dorn GW 2nd

更新日期：1998-04-21 00:00:00

abstract：BACKGROUND:Monocarboxylate transporters (MCTs) mediate lactate transport across the plasma membrane of cells. The molecular mechanisms regulating monocarboxylate transport in smooth muscle cells (SMCs) remain poorly characterized. The aim of this study was to investigate the effects of DNA methylation on MCT expression...

journal_title：Circulation

authors： Zhu S,Goldschmidt-Clermont PJ,Dong C

更新日期：2005-08-30 00:00:00

abstract：BACKGROUND:Reducing sympathetic output to the heart from the neuraxis can protect against ventricular arrhythmias. The purpose of this study was to assess the value of thoracic epidural anesthesia (TEA) and left cardiac sympathetic denervation (LCSD) in the management of ventricular arrhythmias in patients with structu...

journal_title：Circulation

authors： Bourke T,Vaseghi M,Michowitz Y,Sankhla V,Shah M,Swapna N,Boyle NG,Mahajan A,Narasimhan C,Lokhandwala Y,Shivkumar K

更新日期：2010-06-01 00:00:00

abstract：BACKGROUND:The antiarrhythmic drugs quinidine and verapamil are known to block alpha1-adrenoceptors (alpha1ARs). Alpha1ARs are a heterogeneous family of three subtypes (alpha1A, alpha1B, and alpha1D), and little is known about the effects of quinidine and verapamil on the different human alpha1AR subtypes. METHODS AND...

journal_title：Circulation

authors： Shibata K,Hirasawa A,Foglar R,Ogawa S,Tsujimoto G

更新日期：1998-04-07 00:00:00

abstract：:Coronary artery bypass surgery with or without aneurysmectomy has been used to treat patients with angiographically defined left ventricular aneurysm. To evaluate whether surgery benefits such patients, we analyzed the data from 1131 patients who were enrolled in the registry of the Coronary Artery Surgery Study. Four...

journal_title：Circulation

authors： Faxon DP,Myers WO,McCabe CH,Davis KB,Schaff HV,Wilson JW,Ryan TJ

更新日期：1986-07-01 00:00:00

abstract：BACKGROUND:Expansion of an acute myocardial infarction predicts progressive left ventricular (LV) dilatation, functional deterioration, and early death. This study tests the hypothesis that restraining expansion of an acute infarction preserves LV geometry and resting function. METHODS AND RESULTS:In 23 sheep, snares ...

journal_title：Circulation

authors： Kelley ST,Malekan R,Gorman JH 3rd,Jackson BM,Gorman RC,Suzuki Y,Plappert T,Bogen DK,Sutton MG,Edmunds LH Jr

更新日期：1999-01-05 00:00:00

abstract：BACKGROUND:Previous trials of PCSK9 (proprotein convertase subtilisin-kexin type 9) inhibitors demonstrated reductions in major adverse cardiovascular events, but not death. We assessed the effects of alirocumab on death after index acute coronary syndrome. METHODS:ODYSSEY OUTCOMES (Evaluation of Cardiovascular Outcom...

journal_title：Circulation

authors： Steg PG,Szarek M,Bhatt DL,Bittner VA,Brégeault MF,Dalby AJ,Diaz R,Edelberg JM,Goodman SG,Hanotin C,Harrington RA,Jukema JW,Lecorps G,Mahaffey KW,Moryusef A,Ostadal P,Parkhomenko A,Pordy R,Roe MT,Tricoci P,Vogel R

更新日期：2019-07-09 00:00:00

abstract：:Eleven patients underwent exercise testing after operative repair of anomalous origin of the left coronary artery from the pulmonary artery. Five patients repaired after 2 years of age comprised a childhood surgery group, and six patients repaired before 2 years of age comprised an infant surgery group. All patients w...

journal_title：Circulation

authors： Paridon SM,Farooki ZQ,Kuhns LR,Arciniegas E,Pinsky WW

更新日期：1990-04-01 00:00:00

abstract：:Nonoperative therapy includes conservative noninterventional modalities and the endovascular interventional modalities of percutaneous transluminal angioplasty and a variety of laser systems and atherectomy devices. The role and impact of all nonoperative treatments are considered in the perspectives of the natural hi...

journal_title：Circulation

authors： Veith FJ,Gupta SK,Wengerter KR,Rivers SP,Bakal CW

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND:It has been suggested that the survival benefit associated with primary percutaneous coronary intervention (PPCI) in ST-segment elevation myocardial infarction may be attenuated if door-to-balloon (DB) time is delayed by >1 hour beyond door-to-needle (DN) times for fibrinolytic therapy. Whereas DB times are ...

journal_title：Circulation

authors： Pinto DS,Kirtane AJ,Nallamothu BK,Murphy SA,Cohen DJ,Laham RJ,Cutlip DE,Bates ER,Frederick PD,Miller DP,Carrozza JP Jr,Antman EM,Cannon CP,Gibson CM

更新日期：2006-11-07 00:00:00

abstract：BACKGROUND:Recent experimental data indicate that ultrasound-induced destruction of ultrasound contrast microbubbles can cause immediate rupture of the microvessels in which these microbubbles are located. METHODS AND RESULTS:To examine the functional and morphological significance of these findings in the heart, isol...

journal_title：Circulation

authors： Ay T,Havaux X,Van Camp G,Campanelli B,Gisellu G,Pasquet A,Denef JF,Melin JA,Vanoverschelde JL

更新日期：2001-07-24 00:00:00

abstract：BACKGROUND:Pregnant women with congenital heart disease (CHD) are susceptible to cardiovascular, obstetric, and offspring complications. In women with CHD, cardiac dysfunction may compromise uteroplacental flow and contribute to the increased incidence of obstetric and offspring events. METHODS AND RESULTS:We performe...

journal_title：Circulation

authors： Pieper PG,Balci A,Aarnoudse JG,Kampman MA,Sollie KM,Groen H,Mulder BJ,Oudijk MA,Roos-Hesselink JW,Cornette J,van Dijk AP,Spaanderman ME,Drenthen W,van Veldhuisen DJ,ZAHARA II investigators.

更新日期：2013-12-03 00:00:00

abstract：:Two patients with supraventricular parasystole (one atrioventricular and one auricular) are reported. In both patients, reentrant extrasystoles appeared to occur as the result of Mobitz type I second-degree entrance block. We believe that when a sinus impulse fell soon after the absolute refractory period of the pathw...

journal_title：Circulation

authors： Kinoshita S,Nakagawa K,Kato N,Nishino T,Tanabe Y

更新日期：1982-01-01 00:00:00

abstract：:To determine the effect of calcium-channel blockers on beta-adrenergic receptors, we studied the interactions of verapamil, diltiazem, and nifedipine with both human lymphocyte beta 2-adrenergic receptors and rat myocardial beta 1-adrenergic receptors by means of radioligand binding assays. We also determined the func...

journal_title：Circulation

authors： Feldman RD,Park GD,Lai CY

更新日期：1985-09-01 00:00:00

abstract：BACKGROUND:Mesenchymal stem cells (MSCs) are bone marrow stromal cells that are in phase 1 clinical studies of cellular cardiomyoplasty. However, the electrophysiological effects of MSC transplantation have not been studied. Although improvement of ventricular function would represent a positive outcome of MSC transpla...

journal_title：Circulation

authors： Chang MG,Tung L,Sekar RB,Chang CY,Cysyk J,Dong P,Marbán E,Abraham MR

更新日期：2006-04-18 00:00:00

abstract：BACKGROUND:The relationship between autonomic activation and the mechanisms of paroxysmal atrial fibrillation remains unclear. METHODS AND RESULTS:We implanted a pacemaker and a radio transmitter in 7 dogs (group 1). After baseline recording, we paced the left atrium at 20 Hz for 1 week and then monitored left stellat...

journal_title：Circulation

authors： Tan AY,Zhou S,Ogawa M,Song J,Chu M,Li H,Fishbein MC,Lin SF,Chen LS,Chen PS

更新日期：2008-08-26 00:00:00

abstract：BACKGROUND:Several nonatherosclerotic animal models of restenosis exist and are used for the evaluation of the vascular response to angioplasty-induced injury. However, few studies have evaluated the response of an atherosclerotic vessel to angioplasty. The present study examined the radiographic, histological, immunoh...

journal_title：Circulation

authors： Wilensky RL,March KL,Gradus-Pizlo I,Sandusky G,Fineberg N,Hathaway DR

更新日期：1995-11-15 00:00:00

abstract：BACKGROUND:It was the aim of this study to assess the long-term effects of physical exercise and low-fat diet on the progression of coronary artery disease. At the beginning of the study, 113 male patients with coronary artery disease were randomized to an intervention group (n=56) or a control group (n=57); 90 patient...

journal_title：Circulation

authors： Niebauer J,Hambrecht R,Velich T,Hauer K,Marburger C,Kälberer B,Weiss C,von Hodenberg E,Schlierf G,Schuler G,Zimmermann R,Kübler W

更新日期：1997-10-21 00:00:00

abstract：BACKGROUND:The strategy for treating patients with severe asymptomatic carotid artery stenosis and cardiac disease remains unresolved. Staged or combined carotid endarterectomy in these patients offers the potential benefit of decreased neurological morbidity during and after cardiac surgery; however, in high-risk pati...

journal_title：Circulation

authors： Van der Heyden J,Suttorp MJ,Bal ET,Ernst JM,Ackerstaff RG,Schaap J,Kelder JC,Schepens M,Plokker HW

更新日期：2007-10-30 00:00:00

abstract：:Reactive oxygen species such as the superoxide anion (.O2-) have recently been implicated as important agents involved in causing cell death in the setting of myocardial ischemia and reperfusion. When superoxide anion is involved in ischemic injury the administration of superoxide dismutase (SOD) may limit infarct siz...

journal_title：Circulation

authors： Uraizee A,Reimer KA,Murry CE,Jennings RB

更新日期：1987-06-01 00:00:00

abstract：BACKGROUND:Several methods have been developed to improve the efficacy of mechanical resuscitation, because organ perfusion achieved with conventional manual resuscitation is often insufficient. In animal studies, phased chest and abdominal compression-decompression resuscitation by use of the Lifestick device has resu...

journal_title：Circulation

authors： Arntz HR,Agrawal R,Richter H,Schmidt S,Rescheleit T,Menges M,Burbach H,Schröder J,Schultheiss HP

更新日期：2001-08-14 00:00:00

abstract：BACKGROUND:Timely primary percutaneous coronary intervention (PPCI) cannot be offered to all patients with ST-segment-elevation myocardial infarction (STEMI). Pharmaco-invasive (PhI) strategy has been proposed as a valuable alternative for eligible patients with STEMI. We conducted a randomized study to compare the eff...

journal_title：Circulation

authors： Pu J,Ding S,Ge H,Han Y,Guo J,Lin R,Su X,Zhang H,Chen L,He B,EARLY-MYO Investigators.

更新日期：2017-10-17 00:00:00

abstract：BACKGROUND:Although hepatocyte growth factor (HGF), a novel angiogenic growth factor, plays an important role in angiogenesis, regulation of local HGF production under hypoxia has not yet been clarified in vascular smooth muscle cells (VSMC) and endothelial cells (EC). Thus, we have studied the role of HGF in hypoxia-i...

journal_title：Circulation

authors： Hayashi S,Morishita R,Nakamura S,Yamamoto K,Moriguchi A,Nagano T,Taiji M,Noguchi H,Matsumoto K,Nakamura T,Higaki J,Ogihara T

更新日期：1999-11-09 00:00:00

abstract：BACKGROUND:A prospective regional study was conducted to identify factors associated with in-hospital mortality among patients undergoing isolated coronary artery bypass graft surgery (CABG). A prediction rule was developed and validated based on the data collected. METHODS AND RESULTS:Data from 3,055 patients were co...

journal_title：Circulation

authors： O'Connor GT,Plume SK,Olmstead EM,Coffin LH,Morton JR,Maloney CT,Nowicki ER,Levy DG,Tryzelaar JF,Hernandez F

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND:The residual Synergy Between Percutaneous Coronary Intervention With Taxus and Cardiac Surgery (SYNTAX) Score is an objective measure of the degree and complexity of residual stenosis after percutaneous coronary intervention (PCI). METHODS AND RESULTS:In the randomized PCI cohort of the SYNTAX Trial (n=903)...

journal_title：Circulation

authors： Farooq V,Serruys PW,Bourantas CV,Zhang Y,Muramatsu T,Feldman T,Holmes DR,Mack M,Morice MC,Ståhle E,Colombo A,de Vries T,Morel MA,Dawkins KD,Kappetein AP,Mohr FW

更新日期：2013-07-09 00:00:00

abstract：:The effect of prolonged intense endurance exercise training on exertional hypotension was investigated in 16 patients with coronary artery disease who had a 10 mm Hg or greater fall in systolic blood pressure (SBP) during progressive exercise testing. Training consisted of walking, running, or cycling at 50% to 60% of...

journal_title：Circulation

authors： Martin WH 3rd,Ehsani AA

更新日期：1987-09-01 00:00:00

abstract：BACKGROUND:Weight loss in obese insulin-resistant but not in insulin-sensitive persons reduces coronary heart disease risk. To what extent changes in gene expression are related to atherosclerosis and cardiovascular function is unknown. METHODS AND RESULTS:We studied the effect of diet restriction-induced weight loss ...

journal_title：Circulation

authors： Verreth W,De Keyzer D,Pelat M,Verhamme P,Ganame J,Bielicki JK,Mertens A,Quarck R,Benhabilès N,Marguerie G,Mackness B,Mackness M,Ninio E,Herregods MC,Balligand JL,Holvoet P

更新日期：2004-11-16 00:00:00