Intermediate-density lipoproteins and progression of carotid arterial wall intima-media thickness.

abstract：BACKGROUND:New methods of R-R interval variability based on fractal scaling and nonlinear dynamics ("chaos theory") may give new insights into heart rate dynamics. The aims of this study were to (1) systematically characterize and quantify the effects of aging from early childhood to advanced age on 24-hour heart rate ...

journal_title：Circulation

authors： Pikkujämsä SM,Mäkikallio TH,Sourander LB,Räihä IJ,Puukka P,Skyttä J,Peng CK,Goldberger AL,Huikuri HV

更新日期：1999-07-27 00:00:00

abstract：BACKGROUND:In humans, angiotensin converting enzyme (ACE) inhibition attenuates the vasoconstriction induced by sympathetic stimulation in a number of peripheral districts. Whether this is also the case in the coronary circulation is unknown, however. METHODS AND RESULTS:In nine normotensive patients with angiographic...

journal_title：Circulation

authors： Perondi R,Saino A,Tio RA,Pomidossi G,Gregorini L,Alessio P,Morganti A,Zanchetti A,Mancia G

更新日期：1992-06-01 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

abstract：BACKGROUND:The mechanism and treatment of diastolic heart failure are poorly understood. We compared the effects of an ACE inhibitor, an angiotensin receptor blocker (ARB), and their combination on diastolic heart failure in Dahl salt-sensitive (DS) rats. METHODS AND RESULTS:DS rats fed an 8% NaCl diet from 7 weeks of...

journal_title：Circulation

authors： Kim S,Yoshiyama M,Izumi Y,Kawano H,Kimoto M,Zhan Y,Iwao H

更新日期：2001-01-02 00:00:00

abstract：:Diffuse coronary artery disease is frequently untreatable by coronary artery bypass or angioplasty. Many such "no-option" patients have been subjects for trials of angiogenesis using growth factor manipulation or laser injury. We think these novel revascularization strategies are limited by insufficient inflow to puta...

journal_title：Circulation

authors： Oesterle SN,Reifart N,Hauptmann E,Hayase M,Yeung AC

更新日期：2001-05-29 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：BACKGROUND:Coronary artery disease (CAD) and myocardial infarction (MI) are caused in part by genetic factors. Recently, the MEF2A gene was linked to MI/CAD in a single pedigree with autosomal-dominant pattern of inheritance. In addition, genetic variants within the gene have been associated with MI in case-control set...

journal_title：Circulation

authors： Lieb W,Mayer B,König IR,Borwitzky I,Götz A,Kain S,Hengstenberg C,Linsel-Nitschke P,Fischer M,Döring A,Wichmann HE,Meitinger T,Kreutz R,Ziegler A,Schunkert H,Erdmann J

更新日期：2008-01-15 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：:The time of acute myocardial infarction was determined in all 1,741 patients of the ISAM (Intravenous Streptokinase in Acute Myocardial Infarction) Study, based on onset of clinical symptoms and evaluation of plasma CK-MB enzyme time-activity curves. The incidence of myocardial infarction was markedly increased betwee...

journal_title：Circulation

authors： Willich SN,Linderer T,Wegscheider K,Leizorovicz A,Alamercery I,Schröder R

更新日期：1989-10-01 00:00:00

abstract：BACKGROUND:The fatty acid composition of the phospholipids in sarcolemma may significantly influence cell membrane functions. We evaluated the effects of dietary fat on the pharmacodynamics of the antiarrhythmic drug propafenone in isolated, perfused rabbit hearts. METHODS AND RESULTS:Three groups of weanling rabbits ...

journal_title：Circulation

authors： Gillis AM,Keashly R,Watson PA,Mathison HJ,Parsons HG

更新日期：1992-04-01 00:00:00

abstract：BACKGROUND:Candidates for cardiac resynchronization therapy (CRT) receive either a biventricular pacemaker or a biventricular pacemaker with an implantable cardioverter-defibrillator (CRT-D). Optimal device selection remains challenging because the benefit of implantable cardioverter-defibrillator therapy may not be un...

journal_title：Circulation

authors： Lindvall C,Chatterjee NA,Chang Y,Chernack B,Jackson VA,Singh JP,Metlay JP

更新日期：2016-01-19 00:00:00

abstract：BACKGROUND:Modeling of the time-[1-(11)C]acetate activity curve assumes a constant concentration of labeled tricarboxylic acid cycle intermediates and associated metabolites, such as glutamate and aspartate, which may, however, decrease in short-term hibernating myocardium. METHODS AND RESULTS:In 12 anesthetized pigs,...

journal_title：Circulation

authors： Schulz R,Kappeler C,Coenen H,Bockisch A,Heusch G

更新日期：1998-03-17 00:00:00

abstract：BACKGROUND:High blood pressure (BP) continues to be a major, poorly controlled but modifiable risk factor for cardiovascular death. Among key Western lifestyle factors, a diet poor in fiber is associated with prevalence of high BP. The impact of lack of prebiotic fiber and the associated mechanisms that lead to higher ...

journal_title：Circulation

authors： Kaye DM,Shihata WA,Jama HA,Tsyganov K,Ziemann M,Kiriazis H,Horlock D,Vijay A,Giam B,Vinh A,Johnson C,Fiedler A,Donner D,Snelson M,Coughlan MT,Phillips S,Du XJ,El-Osta A,Drummond G,Lambert GW,Spector TD,Valdes AM

更新日期：2020-04-28 00:00:00

abstract：:In this paper we examine the relationship between risk factors and angiographically determined coronary artery disease for blacks and whites enrolled in the Coronary Artery Surgery Study (CASS). Analysis of data from the CASS registry indicated that blacks had a higher incidence of hypertension and current cigarette s...

journal_title：Circulation

authors： Maynard C,Fisher LD,Passamani ER,Pullum T

更新日期：1986-07-01 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 mechanism through which ischemic preconditioning causes cardioprotection is unknown. The present study investigated the role of stunning in preconditioning. METHODS AND RESULTS:We studied three different protocols of preconditioning: two cycles of 2-minute ischemia separated by 5-minute reperfusion (2'P...

journal_title：Circulation

authors： Miura T,Goto M,Urabe K,Endoh A,Shimamoto K,Iimura O

更新日期：1991-12-01 00:00:00

abstract：:Experimental studies demonstrate that short-term regional perfusion-contraction matching, in which the energy demands of regional myocardial contraction are reduced to match the diminished myocardial substrate supply, occurs during states of low coronary blood flow under resting conditions and during exercise-induced ...

journal_title：Circulation

authors： Ross J Jr

更新日期：1991-03-01 00:00:00

abstract：:Fifteen patients with symptomatic mild-to-moderate and severe chronic aortic regurgitation (AR) performed supine bicycle exercise while measurements of rest and exercise hemodynamics and left ventricular function were obtained. A continuous Doppler method was used to determine the change in distribution of total left ...

journal_title：Circulation

authors： Kawanishi DT,McKay CR,Chandraratna PA,Nanna M,Reid CL,Elkayam U,Siegel M,Rahimtoola SH

更新日期：1986-01-01 00:00:00

abstract：BACKGROUND:Higher carotid intimal-medial thickness (IMT) is associated with cardiovascular risk factors and is predictive of coronary artery disease and stroke in older adults. Carotid IMT was measured in young and middle-aged adults to determine its relationship with risk factors measured (1) in childhood, (2) current...

journal_title：Circulation

authors： Davis PH,Dawson JD,Riley WA,Lauer RM

更新日期：2001-12-04 00:00:00

abstract：BACKGROUND:Red blood cell transfusion can both benefit and harm. To inform decisions about transfusion, we aimed to quantify associations of transfusion with clinical outcomes and cost in patients having cardiac surgery. METHODS AND RESULTS:Clinical, hematology, and blood transfusion databases were linked with the UK ...

journal_title：Circulation

authors： Murphy GJ,Reeves BC,Rogers CA,Rizvi SI,Culliford L,Angelini GD

更新日期：2007-11-27 00:00:00

abstract：BACKGROUND:Epidemiological findings suggest an association between low-for-age birth weight and the risk to develop coronary heart diseases in adulthood. During pregnancy, an imbalance between fetal demands and supply may result in permanent alterations of neuroendocrine development in the fetus. We evaluated whether c...

journal_title：Circulation

authors： Ruijtenbeek K,le Noble FA,Janssen GM,Kessels CG,Fazzi GE,Blanco CE,De Mey JG

更新日期：2000-12-05 00:00:00

abstract：BACKGROUND:Adenosine acutely reconnects pulmonary veins (PVs) after radiofrequency application, revealing "dormant conduction" and identifying PVs at risk of reconnection, but the underlying mechanisms are unknown. METHODS AND RESULTS:Canine PV and left-atrial (LA) action potentials were recorded with standard microel...

journal_title：Circulation

authors： Datino T,Macle L,Qi XY,Maguy A,Comtois P,Chartier D,Guerra PG,Arenal A,Fernández-Avilés F,Nattel S

更新日期：2010-03-02 00:00:00

abstract：BACKGROUND:The maintenance and termination of reentry arrhythmias are determined by tissue properties such as refractoriness and conduction velocity. Although the effects of Na(+) and K(+) channel block on electrophysiological properties and defibrillation threshold (DFT) have been studied, little is known about the ef...

journal_title：Circulation

authors： Qi X,Varma P,Newman D,Dorian P

更新日期：2001-09-25 00:00:00

abstract：BACKGROUND:Passive ventricular constraint provides external cardiac support to reduce left ventricular (LV) wall stress and myocardial stretch, which are primary determinants of LV remodeling. Altered wall strain results in cytokine and reactive oxygen species production, which, in turn, stimulates apoptosis and extrac...

journal_title：Circulation

authors： Cheng A,Nguyen TC,Malinowski M,Langer F,Liang D,Daughters GT,Ingels NB Jr,Miller DC

更新日期：2006-07-04 00:00:00

abstract：BACKGROUND:Angina symptoms have been reported to predict mortality in men. The aim of this study was to investigate the association between angina symptoms and mortality in women. METHODS AND RESULTS:In 2004, 873 older participants in the Australian Longitudinal Study on Women's Health with self-reported ischemic hear...

journal_title：Circulation

authors： Berecki-Gisolf J,Humphreyes-Reid L,Wilson A,Dobson A

更新日期：2009-12-08 00:00:00

abstract：BACKGROUND:Vascular endothelial cell growth factor plays a pivotal role in angiogenesis via regulating endothelial cell proliferation. The X-box binding protein 1 (XBP1) is believed to be a signal transducer in the endoplasmic reticulum stress response. It is unknown whether there is crosstalk between vascular endothel...

journal_title：Circulation

authors： Zeng L,Xiao Q,Chen M,Margariti A,Martin D,Ivetic A,Xu H,Mason J,Wang W,Cockerill G,Mori K,Li JY,Chien S,Hu Y,Xu Q

更新日期：2013-04-23 00:00:00

abstract：BACKGROUND:Iron deficiency is common in patients with heart failure (HF) and is associated with reduced exercise capacity and poor outcomes. Whether correction of iron deficiency with (intravenous) ferric carboxymaltose (FCM) affects peak oxygen consumption [peak VO2], an objective measure of exercise intolerance in HF...

journal_title：Circulation

authors： van Veldhuisen DJ,Ponikowski P,van der Meer P,Metra M,Böhm M,Doletsky A,Voors AA,Macdougall IC,Anker SD,Roubert B,Zakin L,Cohen-Solal A,EFFECT-HF Investigators.

更新日期：2017-10-10 00:00:00

abstract：BACKGROUND:Thrombolytic therapy of acute myocardial infarction (AMI) is evolving toward bolus administration. Derivatization of proteins with polyethylene glycol (PEG) may reduce their clearance. METHODS AND RESULTS:A staphylokinase (SakSTAR) variant with 12 amino acid substitutions to reduce its antigenicity, SakSTAR...

journal_title：Circulation

authors： Collen D,Sinnaeve P,Demarsin E,Moreau H,De Maeyer M,Jespers L,Laroche Y,Van de Werf F

更新日期：2000-10-10 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:Significant gender-related differences exist in the development of left ventricular hypertrophy (LVH). In addition, administration of 17beta-estradiol (E2) to ovariectomized female mice attenuates the development of LVH, demonstrating an antagonistic role for E2 in this process, although no molecular mechani...

journal_title：Circulation

authors： Babiker FA,De Windt LJ,van Eickels M,Thijssen V,Bronsaer RJ,Grohé C,van Bilsen M,Doevendans PA

更新日期：2004-01-20 00:00:00