Influence of the pericardium and ventricular interdependence on left ventricular diastolic and systolic function in patients with heart failure.

abstract：:Twenty-one reoperations for relief of angina have been performed at Stanford Medical Center in patients who had had previously unsuccessful direct coronary artery surgery. Complete releif of angina was obtained in seven (33%), improvement of angina in six (29%), and no change in angina in eight (38%) after these opera...

journal_title：Circulation

authors：

更新日期：1975-08-01 00:00:00

abstract：:Dual antiplatelet therapy with aspirin and a thienopyridine has been shown to reduce cardiac events after coronary stenting. However, many patients and healthcare providers prematurely discontinue dual antiplatelet therapy, which greatly increases the risk of stent thrombosis, myocardial infarction, and death. This ad...

journal_title：Circulation

authors： Grines CL,Bonow RO,Casey DE Jr,Gardner TJ,Lockhart PB,Moliterno DJ,O'Gara P,Whitlow P,American Heart Association.,American College of Cardiology.,Society for Cardiovascular Angiography and Interventions.,American College of Surgeon

更新日期：2007-02-13 00:00:00

abstract：:The dominance of the coronary arterial system was determined angiographically in 75 adult patients with isolated aortic stenosis with or without insufficiency, 25 adult patients with pure aortic insufficiency, 51 adult patients with combined aortic stenosis and mitral valve disease, and 44 children with bicuspid aorti...

journal_title：Circulation

authors： Higgins CB,Wexler L

更新日期：1975-08-01 00:00:00

abstract：:The initial myocardial uptake of thallium-201 depends on myocardial blood flow distribution. The phenomenon of delayed thallium redistribution after transiently or chronically altered myocardial perfusion has been described. The net myocardial accumulation of thallium-201 after injection depends upon the net balance b...

journal_title：Circulation

authors： Grunwald AM,Watson DD,Holzgrefe HH Jr,Irving JF,Beller GA

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND:Plaque disruption and exposure of subendothelial procoagulants such as tissue factor (TF) to circulating factor VII/VIIa (FVII/VIIa) lead to intravascular thrombosis. Tissue factor pathway inhibitor (TFPI) is an endogenous inhibitor of TF-induced coagulation that binds to factor Xa and the TF-FVIIa catalytic...

journal_title：Circulation

authors： Caplice NM,Mueske CS,Kleppe LS,Simari RD

更新日期：1998-09-15 00:00:00

abstract：BACKGROUND:The left ventricular (LV) dilatation of isolated mitral regurgitation (MR) is associated with an increase in chymase and a decrease in interstitial collagen and extracellular matrix. In addition to profibrotic effects, chymase has significant antifibrotic actions because it activates matrix metalloproteinase...

journal_title：Circulation

authors： Pat B,Chen Y,Killingsworth C,Gladden JD,Shi K,Zheng J,Powell PC,Walcott G,Ahmed MI,Gupta H,Desai R,Wei CC,Hase N,Kobayashi T,Sabri A,Granzier H,Denney T,Tillson M,Dillon AR,Husain A,Dell'italia LJ

更新日期：2010-10-12 00:00:00

abstract：BACKGROUND:Myocardium irreversibly injured by ischemic stress must be efficiently repaired to maintain tissue integrity and contractile performance. Macrophages play critical roles in this process. These cells transform across a spectrum of phenotypes to accomplish diverse functions ranging from mediating the initial i...

journal_title：Circulation

authors： Cao DJ,Schiattarella GG,Villalobos E,Jiang N,May HI,Li T,Chen ZJ,Gillette TG,Hill JA

更新日期：2018-06-12 00:00:00

abstract：BACKGROUND:Since Mexican Americans have adverse patterns of risk factors for myocardial infarction relative to non-Hispanic whites, the incidence of myocardial infarction should be greater among Mexican Americans than among non-Hispanic whites. This expectation conflicts with reports generated from death certificate re...

journal_title：Circulation

authors： Goff DC,Nichaman MZ,Chan W,Ramsey DJ,Labarthe DR,Ortiz C

更新日期：1997-03-18 00:00:00

abstract：BACKGROUND:Basic fibroblast growth factor (bFGF) has been shown to reduce infarct size in canine acute myocardial infarction; however, the mechanism of tissue salvage remains uncertain. We evaluated the effect of bFGF on infarct size in a model of acute infarction in which coronary occlusion was followed by prolonged r...

journal_title：Circulation

authors： Horrigan MC,MacIsaac AI,Nicolini FA,Vince DG,Lee P,Ellis SG,Topol EJ

更新日期：1996-10-15 00:00:00

abstract：BACKGROUND:Although black cardiac patients receive fewer revascularization procedures than whites, it is unclear whether this has a detrimental impact on outcomes. The objective of our study was to compare 6-month functional status and angina outcomes among blacks and whites with documented coronary disease and to asse...

journal_title：Circulation

authors： Kaul P,Lytle BL,Spertus JA,DeLong ER,Peterson ED

更新日期：2005-03-15 00:00:00

abstract：:It has been suggested that the rate of left ventricular (LV) relaxation is related to the inotropic state, end-systolic fiber length and peak LV pressure, but little information is available regarding the rate of LV relaxation in patients with coronary artery disease (CAD) and LV dysfunction. To assess the rate of LV ...

journal_title：Circulation

authors： Papapietro SE,Coghlan HC,Zissermann D,Russell RO Jr,Rackley CE,Rogers WJ

更新日期：1979-05-01 00:00:00

abstract：BACKGROUND:Abnormalities in HDL and an increased risk of coronary artery disease (CAD) coexist in non-insulin-dependent diabetes mellitus (NIDDM). HDLs can be separated by their apolipoprotein (apo) content into particles containing apoA-I but not apoA-II (LpA-I) and those containing both apoA-I and apoA-II (LpA-I:A-II...

journal_title：Circulation

authors： Syvänne M,Kahri J,Virtanen KS,Taskinen MR

更新日期：1995-08-01 00:00:00

abstract：:Competing risks occur frequently in the analysis of survival data. A competing risk is an event whose occurrence precludes the occurrence of the primary event of interest. In a study examining time to death attributable to cardiovascular causes, death attributable to noncardiovascular causes is a competing risk. When ...

journal_title：Circulation

authors： Austin PC,Lee DS,Fine JP

更新日期：2016-02-09 00:00:00

abstract：BACKGROUND:Endothelium-derived nitric oxide is an important modulator of resting vascular tone in animals and humans. However, the contribution of nitric oxide to exercise-induced vasodilation is unknown. METHODS AND RESULTS:The effect of NG-monomethyl-L-arginine (L-NMMA), an inhibitor of nitric oxide synthesis, on ex...

journal_title：Circulation

authors： Gilligan DM,Panza JA,Kilcoyne CM,Waclawiw MA,Casino PR,Quyyumi AA

更新日期：1994-12-01 00:00:00

abstract：:We have recently demonstrated that exercise training can induce important hemodynamic and metabolic adaptations in patients with chronic heart failure due to severe left ventricular dysfunction. This study examines the accompanying changes in submaximal exercise performance and the ventilatory response to exercise in ...

journal_title：Circulation

authors： Sullivan MJ,Higginbotham MB,Cobb FR

更新日期：1989-02-01 00:00:00

abstract：BACKGROUND:We measured the content and activities of components of the beta-adrenergic receptor-G protein-adenylate cyclase complex and adrenergic neurotransmitter levels in left and right ventricular myocardial preparations derived from 77 end-stage failing human hearts from patients with idiopathic dilated cardiomyop...

journal_title：Circulation

authors： Bristow MR,Anderson FL,Port JD,Skerl L,Hershberger RE,Larrabee P,O'Connell JB,Renlund DG,Volkman K,Murray J

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:Although metabolomic profiling offers promise for the prediction of coronary heart disease (CHD), and metabolic risk factors are more strongly associated with CHD in women than men, limited data are available for women. METHODS:We applied a liquid chromatography-tandem mass spectrometry metabolomics platfor...

journal_title：Circulation

authors： Paynter NP,Balasubramanian R,Giulianini F,Wang DD,Tinker LF,Gopal S,Deik AA,Bullock K,Pierce KA,Scott J,Martínez-González MA,Estruch R,Manson JE,Cook NR,Albert CM,Clish CB,Rexrode KM

更新日期：2018-02-20 00:00:00

abstract：:Patients with DDD pacemakers who have intact retrograde conduction are known to be at risk of developing ventricular and "endless loop" tachycardia. To address this problem, a pacing protocol was designed in which V2A2 conduction was assessed in 16 patients during ventricular pacing alone (standard method) and during ...

journal_title：Circulation

authors： Mahmud R,Lehmann M,Denker S,Gilbert CJ,Akhtar M

更新日期：1983-07-01 00:00:00

abstract：BACKGROUND:This study evaluated the hypothesis that transendocardial injections of autologous mononuclear bone marrow cells in patients with end-stage ischemic heart disease could safely promote neovascularization and improve perfusion and myocardial contractility. METHODS AND RESULTS:Twenty-one patients were enrolled...

journal_title：Circulation

authors： Perin EC,Dohmann HF,Borojevic R,Silva SA,Sousa AL,Mesquita CT,Rossi MI,Carvalho AC,Dutra HS,Dohmann HJ,Silva GV,Belém L,Vivacqua R,Rangel FO,Esporcatte R,Geng YJ,Vaughn WK,Assad JA,Mesquita ET,Willerson JT

更新日期：2003-05-13 00:00:00

abstract：BACKGROUND:Endothelin (ET), a coronary vasoconstrictor, mediates its activity through the specific receptors ET-A and ET-B, which may demonstrate different activity under pathophysiological conditions. Thoracic inferior vena cava constriction (TIVCC) is an experimental model of congestive heart failure that is characte...

journal_title：Circulation

authors： Cannan CR,Burnett JC Jr,Lerman A

更新日期：1996-02-15 00:00:00

abstract：BACKGROUND:Because acute exercise increases systemic catecholamines, we sought to determine whether exercise training would alter daily or exercise-related catecholamine release and inactivation. METHODS AND RESULTS:In 24-hour urine collections, catecholamines and metabolites provided indexes of overall oxidative deam...

journal_title：Circulation

authors： Rogers PJ,Tyce GM,Weinshilboum RM,O'Connor DT,Bailey KR,Bove AA

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND:The relations of insulin sensitivity (IS) to hypertension incidence may vary according to baseline age, body mass index (BMI), and blood pressure (BP). METHODS AND RESULTS:We investigated the relations of IS (insulin sensitivity index, ISI(0,120)) to 4-year incidence of hypertension and BP progression in 19...

journal_title：Circulation

authors： Arnlöv J,Pencina MJ,Nam BH,Meigs JB,Fox CS,Levy D,D'Agostino RB,Vasan RS

更新日期：2005-09-20 00:00:00

abstract：:Trapidil (triazolopyrimidine) possesses activity against platelet-derived growth factor-induced cellular proliferation in vitro and intimal proliferation in vivo. The objective of this study was to determine if trapidil could prevent restenosis in experimentally induced atherosclerotic rabbits. New Zealand White rabbi...

journal_title：Circulation

authors： Liu MW,Roubin GS,Robinson KA,Black AJ,Hearn JA,Siegel RJ,King SB 3rd

更新日期：1990-03-01 00:00:00

abstract：BACKGROUND:Lipoprotein oxidation plays an important part in atherogenesis. Autoantibodies to oxidation-specific epitopes of LDL occur in plasma and atherosclerotic lesions of humans and animals. The potential role of these autoantibodies in atherogenesis still remains unsolved. We studied the relationship between diffe...

journal_title：Circulation

authors： Karvonen J,Päivänsalo M,Kesäniemi YA,Hörkkö S

更新日期：2003-10-28 00:00:00

abstract：:Twenty-four-hour ambulatory ECG recording was performed in 26 patients with variant angina to evaluate the diurnal distribution of ST-segment elevation in relation to chest pain and the incidence of arrhythmias during the episodes. During a recording period of 52 days, 364 ST-segment elevations of 1 mm or greater were...

journal_title：Circulation

authors： Araki H,Koiwaya Y,Nakagaki O,Nakamura M

更新日期：1983-05-01 00:00:00

abstract：BACKGROUND:This study was designed to define myocardial viability and establish practical cut-off values for differentiating normal myocardial tissue from subendocardial and transmural scar tissue by using electromechanical mapping (EMM). We validated our results by delayed-enhancement cardiac MRI (DE-MRI). METHODS AN...

journal_title：Circulation

authors： Perin EC,Silva GV,Sarmento-Leite R,Sousa AL,Howell M,Muthupillai R,Lambert B,Vaughn WK,Flamm SD

更新日期：2002-08-20 00:00:00

abstract：BACKGROUND:Children stable at home with dilated cardiomyopathy remain at risk of death; there is evidence of survival benefit for transplantation out to 4 years postoperatively. The limited supply of donor organs makes risk stratification imperative, but although cardiopulmonary exercise test is well established as a p...

journal_title：Circulation

authors： Giardini A,Fenton M,Andrews RE,Derrick G,Burch M

更新日期：2011-10-18 00:00:00

abstract：:The acute coronary hemodynamic and metabolic effects of intravenous dipyridamole were studied in 13 patients. Total left ventricular (LV), anterior (supplied by the left anterior descending coronary artery) and inferior (supplied by circumflex and right coronary arteries) regional flows and metabolic responses were as...

journal_title：Circulation

authors： Feldman RL,Nichols WW,Pepine CJ,Conti CR

更新日期：1981-08-01 00:00:00

abstract：:Many vasodilators have been tried as antianginal agents, but the reflex increase in sympathetic tone produced by these drugs necessitate their use with caution in patients with angina. In the first part of this study, captopril was given to 14 patients with angina and systolic arterial pressures of greater than 120 mm...

journal_title：Circulation

authors： Daly P,Mettauer B,Rouleau JL,Cousineau D,Burgess JH

更新日期：1985-02-01 00:00:00

abstract：BACKGROUND:Short-term (<30 day) mortality after Q-wave myocardial infarction (MI) has declined over the decades, but it is unclear if rates of long-term sequelae after Q-wave MI have improved. METHODS AND RESULTS:In 546 Framingham Heart Study subjects (388 men with a mean age of 60 years; 158 women with a mean age of ...

journal_title：Circulation

authors： Guidry UC,Evans JC,Larson MG,Wilson PW,Murabito JM,Levy D

更新日期：1999-11-16 00:00:00