Elastin stabilizes an infarct and preserves ventricular function.

abstract：:The purpose of the present study was to evaluate potential diurnal changes in resting coronary blood flow under conditions of comparable myocardial oxygen requirements. We studied 21 conscious, resting dogs instrumented for the measurement of coronary flow, left ventricular pressure, and regional myocardial segment le...

journal_title：Circulation

authors： Fujita M,Franklin D

更新日期：1987-08-01 00:00:00

abstract：BACKGROUND:Frequently the definitive operation for patients with a right ventricle (RV) that is too small to support full cardiac output is a modified Fontan operation. However, other surgical options exist that incorporate a small RV in the atriopulmonary pathway when biventricular repair is not feasible because of RV...

journal_title：Circulation

authors： Gentles TL,Keane JF,Jonas RA,Marx GE,Mayer JE Jr

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:Two sequential biphasic shocks delivered over separate lead configurations markedly improve defibrillation efficacy compared with a single shock alone. We investigated the effect of varying the intershock interval between sequential biphasic shocks on defibrillation. METHODS AND RESULTS:Defibrillation thres...

journal_title：Circulation

authors： Johnson EE,Alferness CA,Wolf PD,Smith WM,Ideker RE

更新日期：1992-06-01 00:00:00

abstract：BACKGROUND:Regression of left ventricular hypertrophy (LVH) after surgical correction for aortic stenosis is not fully understood on the molecular level. The aim of this study was to examine whether there is an association between LVH regression and extracellular matrix (ECM) gene expression. METHODS AND RESULTS:A sta...

journal_title：Circulation

authors： Walther T,Schubert A,Falk V,Binner C,Kanev A,Bleiziffer S,Walther C,Doll N,Autschbach R,Mohr FW

更新日期：2001-09-18 00:00:00

abstract：:Serial sections of the conduction system (CS) were performed in two patients with recurrent tachyarrhythmias. Case 1, a 34-year-old female who had dual atrioventricular (AV) nodal pathways with recurrent paroxysmal supraventricular tachycardia, committed suicide. Autopsy revealed an abnormally formed atrial septum wit...

journal_title：Circulation

authors： Bharati S,Bauernfiend R,Scheinman M,Massie B,Cheitlin M,Denes P,Wu D,Lev M,Rosen KM

更新日期：1979-03-01 00:00:00

abstract：:Successful long-term myocardial preservation is dependent on optimizing conditions during arrest, storage, and reperfusion. Neonatal piglet hearts were arrested and stored in University of Wisconsin solution (UW) at 4 degrees C for 24 hours and reperfused on a blood-perfused, adult animal-supported isolated circuit. R...

journal_title：Circulation

authors： Stein DG,Permut LC,Drinkwater DC Jr,Bhuta S,Chang P,Wu A,Laks H

更新日期：1991-11-01 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：:We studied the effects of experimentally induced emotional stress (mental arithmetic) on different hemodynamic parameters, catecholamine levels, and serum and platelet function tests in 25 postinfarction patients and in 10 apparently healthy, age-matched control subjects. Mental stress (10 minutes) induced significant...

journal_title：Circulation

authors： Grignani G,Soffiantino F,Zucchella M,Pacchiarini L,Tacconi F,Bonomi E,Pastoris A,Sbaffi A,Fratino P,Tavazzi L

更新日期：1991-04-01 00:00:00

abstract：:All physicians increasingly will encounter patients who have implanted cardioverter-defibrillators (ICDs) for protection from ventricular arrhythmias. This advisory provides a concise summary relevant to the assessment and management of patients with ICDs, including those who present to primary care or emergency depar...

journal_title：Circulation

authors： Stevenson WG,Chaitman BR,Ellenbogen KA,Epstein AE,Gross WL,Hayes DL,Strickberger SA,Sweeney MO,Subcommittee on Electrocardiography and Arrhythmias of the American Heart Association Council on Clinical Cardiology.,Heart Rhythm Society.

更新日期：2004-12-21 00:00:00

abstract：:High frequency notching of the QRS complex is associated with transmural infarction, cardiomyopathies, and ventricular hypertrophy from any cause. The mechanism producing notching is unknown; but the presence of a discrete anatomic lesion is not an essential feature. The hypothesis that notching was produced by activa...

journal_title：Circulation

authors： Vanderark CR,Reynolds EW

更新日期：1975-02-01 00:00:00

abstract：:To define the prevalence, frequency and characteristics of premature ventricular complexes (PVCs) in adults free of recognizable heart disease, we performed 24-hour ambulatory electrocardiography on 101 subjects (51 men and 50 women, mean age 48.8 years) in whom physical examination, chest x-ray, ECG, echocardiogram, ...

journal_title：Circulation

authors： Kostis JB,McCrone K,Moreyra AE,Gotzoyannis S,Aglitz NM,Natarajan N,Kuo PT

更新日期：1981-06-01 00:00:00

abstract：:Six instances of sudden death were recorded by Holter monitoring, which showed ventricular fibrillation in five and a bradyarrhythmia in one. Complex ventricular ectopic activity preceded cardiac arrest in five patients, including the one with the bradyarrhythmic arrest. Two patients with chronic bifascicular block ar...

journal_title：Circulation

authors： Nikolic G,Bishop RL,Singh JB

更新日期：1982-07-01 00:00:00

abstract：BACKGROUND:Metabolic syndrome importantly accelerates the atherosclerotic process, the earliest event of which is endothelial dysfunction. Ghrelin, a gastric peptide with cardiovascular actions, has been shown to inhibit proatherogenic changes in experimental models. This study therefore investigated whether ghrelin ad...

journal_title：Circulation

authors： Tesauro M,Schinzari F,Iantorno M,Rizza S,Melina D,Lauro D,Cardillo C

更新日期：2005-11-08 00:00:00

abstract：BACKGROUND:Our objective was to investigate the association between hypertension and concurrent impairments in mobility, cognition, and mood; the role of brain white matter hyperintensities in mediating this association; and the impact of these impairments on disability and mortality in elderly hypertensive individuals...

journal_title：Circulation

authors： Hajjar I,Quach L,Yang F,Chaves PH,Newman AB,Mukamal K,Longstreth W Jr,Inzitari M,Lipsitz LA

更新日期：2011-03-01 00:00:00

abstract：BACKGROUND:The potential biological significance of hydrogen sulfide (H(2)S) has attracted growing interest in recent years. The aim of this study was to characterize a novel, water-soluble, slow-releasing H(2)S compound [morpholin-4-ium 4 methoxyphenyl(morpholino) phosphinodithioate (GYY4137)] and evaluate its use as ...

journal_title：Circulation

authors： Li L,Whiteman M,Guan YY,Neo KL,Cheng Y,Lee SW,Zhao Y,Baskar R,Tan CH,Moore PK

更新日期：2008-05-06 00:00:00

abstract：:The release of the American Heart Association's 2030 Impact Goal and associated metrics for success underscores the importance of cardiovascular health and cardiovascular disease surveillance systems for the acquisition of information sufficient to support implementation and evaluation. The aim of this policy statemen...

journal_title：Circulation

authors： Roger VL,Sidney S,Fairchild AL,Howard VJ,Labarthe DR,Shay CM,Tiner AC,Whitsel LP,Rosamond WD,American Heart Association Advocacy Coordinating Committee.

更新日期：2020-03-03 00:00:00

abstract：BACKGROUND:Proto-oncogenes have been implicated in the pathogenesis of gene-mediated myocardial remodeling. In the human heart, however, it has not been clarified whether these proto-oncogenes are related to contractile impairment and structural alteration of the myocardium. The present study is designed to investigate...

journal_title：Circulation

authors： Taketani S,Sawa Y,Taniguchi K,Mitsuno M,Kawaguchi N,Onishi S,Matsuda H

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Angiotensin-converting enzyme (ACE) inhibition potentiates the tissue-type plasminogen activator (t-PA) response to exogenous bradykinin. This study tested the hypothesis that ACE inhibition increases endothelial t-PA release through endogenous bradykinin. METHODS AND RESULTS:We measured the effect of intra...

journal_title：Circulation

authors： Pretorius M,Rosenbaum D,Vaughan DE,Brown NJ

更新日期：2003-02-04 00:00:00

abstract：BACKGROUND:The cytoskeleton plays an important role in maintaining cell structure and integrity. Defects in cytoskeletal proteins can cripple cell strength and may cause cardiomyopathy. We analyzed heart tissues from subjects with dilated cardiomyopathy for abnormalities in the cardiac cytoskeleton. Metavinculin, a car...

journal_title：Circulation

authors： Maeda M,Holder E,Lowes B,Valent S,Bies RD

更新日期：1997-01-07 00:00:00

abstract：BACKGROUND:Analyses from randomized controlled trials suggest that bleeding in patients with acute myocardial infarction is associated with poor outcomes. Because these data are not generalizable to all patients with acute myocardial infarction, we sought to better understand the scope of this problem in a "real-world"...

journal_title：Circulation

authors： Spencer FA,Moscucci M,Granger CB,Gore JM,Goldberg RJ,Steg PG,Goodman SG,Budaj A,FitzGerald G,Fox KA,GRACE Investigators.

更新日期：2007-12-11 00:00:00

abstract：:Analysis of the external brachial pulse recorded during standard blood pressure cuff deflation with use of a transducer with a wide frequency response has revealed a reproducible pattern with three distinct components that we have labeled K1, K2, and K3. K1 is a low-amplitude, low-frequency signal that is present with...

journal_title：Circulation

authors： Blank SG,West JE,Müller FB,Cody RJ,Harshfield GA,Pecker MS,Laragh JH,Pickering TG

更新日期：1988-06-01 00:00:00

abstract：BACKGROUND:In recent clinical trials, glycoprotein IIb/IIIa blockers have demonstrated effectiveness in preventing adverse events after angioplasty in high-risk patients. However, uncertainty exists regarding the cost-effective selection of patients to receive antiplatelet therapy. METHODS AND RESULTS:All 4962 patient...

journal_title：Circulation

authors： Weintraub WS,Thompson TD,Culler S,Boccuzzi SJ,Becker ER,Kosinski AS,Mahoney E

更新日期：2000-07-25 00:00:00

abstract：BACKGROUND:C-type natriuretic peptide (CNP) is a newly identified peptide that is structurally related to atrial natriuretic peptide (ANP). Although it has been suggested that CNP is released from the endothelium for the regulation of local vascular tone, no data are available concerning the vasodilatory response to CN...

journal_title：Circulation

authors： Nakamura M,Arakawa N,Yoshida H,Makita S,Hiramori K

更新日期：1994-09-01 00:00:00

abstract：:Twenty-one patients with documented coronary atherosclerotic heart disease were studied to determine the effect of high dose oral isosorbide dinitrate (ISDN) on heart rate, blood pressure, and exercise time until angina pectoris. Patients were tested in two phases, initially with 0.4 mg of sublingual nitroglycerin and...

journal_title：Circulation

authors： Danahy DT,Burwell DT,Aronow WS,Prakash R

更新日期：1977-02-01 00:00:00

abstract：BACKGROUND:Accessory pathways originating at the tricuspid annulus that exhibit decremental antegrade conduction properties (Mahaim-type preexcitation) are amenable to radiofrequency (RF) current catheter ablation. However, a reliable and reproducible strategy for mapping and ablation of these fibers is lacking. METHO...

journal_title：Circulation

authors： Cappato R,Schlüter M,Weiss C,Siebels J,Hebe J,Duckeck W,Mletzko RU,Kuck KH

更新日期：1994-07-01 00:00:00

abstract：BACKGROUND:The purpose of this study was to describe a new technique for catheter ablation of left lateral accessory pathways (APs) by radiofrequency energy applied at the epicardium through the coronary sinus wall using a unipolar configuration. METHODS AND RESULTS:In an overall group of 212 patients with left latera...

journal_title：Circulation

authors： Haissaguerre M,Gaita F,Fischer B,Egloff P,Lemetayer P,Warin JF

更新日期：1992-11-01 00:00:00

abstract：BACKGROUND:Fluid energy loss across stenotic aortic valves is influenced by factors other than the valve effective orifice area (EOA). We propose a new index that will provide a more accurate estimate of this energy loss. METHODS AND RESULTS:An experimental model was designed to measure EOA and energy loss in 2 fixed ...

journal_title：Circulation

authors： Garcia D,Pibarot P,Dumesnil JG,Sakr F,Durand LG

更新日期：2000-02-22 00:00:00

abstract：BACKGROUND:Aortopulmonary collaterals (APC) have been associated with an increased risk of choreoathetosis after deep hypothermic circulatory arrest (DHCA). To study the effects of APC on cerebral hemodynamics and metabolism before and after DHCA, a piglet model was developed. METHODS AND RESULTS:Protocol 1: Eight 4- ...

journal_title：Circulation

authors： Kirshbom PM,Skaryak LA,DiBernardo LR,Kern FH,Greeley WJ,Gaynor JW,Ungerleider RM

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND:Clinical detection of transplant rejection by repeated endomyocardial biopsy requires catheterization and entails risks. Recently developed molecular and cellular imaging techniques that visualize macrophage host responses could provide a noninvasive alternative. Yet, which macrophage functions may provide u...

journal_title：Circulation

authors： Christen T,Nahrendorf M,Wildgruber M,Swirski FK,Aikawa E,Waterman P,Shimizu K,Weissleder R,Libby P

更新日期：2009-04-14 00:00:00

abstract：BACKGROUND:Left ventricular remodeling after myocardial infarction (MI) involves the hypertrophic growth of cardiomyocytes and the accumulation of fibrillar collagen in the interstitial space. We evaluated the role of kinins in postinfarction ventricular remodeling and their potential contribution to the antiremodeling...

journal_title：Circulation

authors： Wollert KC,Studer R,Doerfer K,Schieffer E,Holubarsch C,Just H,Drexler H

更新日期：1997-04-01 00:00:00