American Heart Association's Call to Action for Payment and Delivery System Reform.

abstract：:A new two-dimensional echocardiographic technique was developed to detect peripheral right coronary aneurysms in Kawasaki disease. Because the main stem of the right coronary artery runs along the tricuspid valve ring and the posterior interventricular groove, these regions were examined for coronary aneurysms using t...

journal_title：Circulation

authors： Yoshida H,Maeda T,Funabashi T,Nakaya S,Takabatake S,Taniguchi N

更新日期：1982-05-01 00:00:00

abstract：:Patients with heart failure frequently exhibit abnormal skeletal muscle metabolic responses to exercise, as assessed with 31P NMR. To investigate whether these metabolic abnormalities are due to intrinsic skeletal muscle changes, we performed gastrocnemius muscle biopsies on 22 patients with heart failure (peak VO2, 1...

journal_title：Circulation

authors： Mancini DM,Coyle E,Coggan A,Beltz J,Ferraro N,Montain S,Wilson JR

更新日期：1989-11-01 00:00:00

abstract：BACKGROUND:Left ventricular (LV) reconstruction surgery leads to early improvement in LV function in ischemic cardiomyopathy (ICM) patients. This study was designed to evaluate the impact of mitral valve (MV) repair associated with LV reconstruction on LV function 1-year after surgery in ICM patients assessed by real-t...

journal_title：Circulation

authors： Qin JX,Shiota T,McCarthy PM,Asher CR,Hail M,Agler DA,Popović ZB,Greenberg NL,Smedira NG,Starling RC,Young JB,Thomas JD

更新日期：2003-09-09 00:00:00

abstract：BACKGROUND:Clinical trials have demonstrated that, compared with placebo, intensive statin therapy reduces ischemia in patients with acute coronary syndromes and in patients with stable coronary artery disease. However, no studies to date have assessed intensive versus moderate statin therapy in older patients with sta...

journal_title：Circulation

authors： Deedwania P,Stone PH,Bairey Merz CN,Cosin-Aguilar J,Koylan N,Luo D,Ouyang P,Piotrowicz R,Schenck-Gustafsson K,Sellier P,Stein JH,Thompson PL,Tzivoni D

更新日期：2007-02-13 00:00:00

abstract：BACKGROUND:The time constant of ventricular relaxation (tau) is a quantitative measure of diastolic performance requiring intraventricular pressure recording. This study validates in humans an equation relating tau to left ventricular pressure at peak -dP/dt (P0), pressure at mitral valve opening (PMV), and isovolumic ...

journal_title：Circulation

authors： Scalia GM,Greenberg NL,McCarthy PM,Thomas JD,Vandervoort PM

更新日期：1997-01-07 00:00:00

abstract：:For estimating left ventricular mass (LVM), ECG criteria for left ventricular hypertrophy (LVH) were selected from conventional 12-lead ECGs, orthogonal three-lead ECGs, and multiple-dipole ECGs (MDECG). The three cardiograms were recorded in 139 patients for whom the degree of LVH was independently determined from bi...

journal_title：Circulation

authors： Dunn RA,Pipberger HV,Holt JH Jr,Barnard AC,Pipberger HA

更新日期：1979-12-01 00:00:00

abstract：BACKGROUND:Biventricular direct cardiac compression (DCC) can potentially support the failing heart without the complications associated with a blood/device interface. The effect of uniform DCC on left and right ventricular performance was evaluated in 7 isolated canine heart preparations. METHODS AND RESULTS:A comput...

journal_title：Circulation

authors： Artrip JH,Wang J,Leventhal AR,Tsitlik JE,Levin HR,Burkhoff D

更新日期：1999-04-27 00:00:00

abstract：BACKGROUND:The prevalence, prognostic import, and impact of renal insufficiency on the benefits of ACE inhibitors and beta-blockers in community-dwelling patients with heart failure are uncertain. METHODS AND RESULTS:We analyzed data from a prospective cohort of 754 patients with heart failure who had ejection fractio...

journal_title：Circulation

authors： McAlister FA,Ezekowitz J,Tonelli M,Armstrong PW

更新日期：2004-03-02 00:00:00

abstract：BACKGROUND:Among patients with documented stable coronary artery disease and in whom no revascularization was performed, we compared the respective values of angiographic diameter stenosis (DS) and fractional flow reserve (FFR) in predicting natural history. METHODS:The present analysis included the 607 patients from ...

journal_title：Circulation

authors： Ciccarelli G,Barbato E,Toth GG,Gahl B,Xaplanteris P,Fournier S,Milkas A,Bartunek J,Vanderheyden M,Pijls N,Tonino P,Fearon WF,Jüni P,De Bruyne B

更新日期：2018-04-03 00:00:00

abstract：:To study the determinants of smooth muscle injury during balloon angioplasty, we conducted a series of experiments to examine the effects of degree of arterial stretching, duration of balloon inflation, and arterial precontraction on smooth muscle injury after balloon angioplasty in isolated, perfused whole-vessel seg...

journal_title：Circulation

authors： Fischell TA,Grant G,Johnson DE

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) is frequently encountered in patients with heart failure (HF) and is also a predictor of morbidity and mortality in this population. Recent experimental studies have shown electrical and structural atrial remodeling with increased fibrosis in animals with HF and have suggested a prev...

journal_title：Circulation

authors： Vermes E,Tardif JC,Bourassa MG,Racine N,Levesque S,White M,Guerra PG,Ducharme A

更新日期：2003-06-17 00:00:00

abstract：:In a placebo-controlled, randomized, cross-over, double-blind study of 12 patients with stable exertional angina, we measured at rest and during bicycle exercise the effects of 20 mg of nifedipine administered sublingually on hemodynamics and systemic and regional oxygen extraction and metabolism. Nifedipine decreased...

journal_title：Circulation

authors： Choong CY,Roubin GS,Shen WF,Harris PJ,Kelly DT

更新日期：1985-04-01 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:It is not known whether progression of aortic arch (AA) atheroma is associated with vascular events in patients with stroke or transient ischemic attack (TIA). METHODS AND RESULTS:AA atheroma was detected on baseline transesophageal echocardiogram in 167 consecutive patients who had prevalent stroke or TIA....

journal_title：Circulation

authors： Sen S,Hinderliter A,Sen PK,Simmons J,Beck J,Offenbacher S,Ohman EM,Oppenheimer SM

更新日期：2007-08-21 00:00:00

abstract：BACKGROUND:The evolution of cell phenotypes and matrix architecture in cardiac valves during fetal maturation and postnatal adaptation through senescence remains unexplored. METHODS AND RESULTS:We hypothesized that valvular interstitial (VIC) and endothelial cell (VEC) phenotypes, critical for maintaining valve functi...

journal_title：Circulation

authors： Aikawa E,Whittaker P,Farber M,Mendelson K,Padera RF,Aikawa M,Schoen FJ

更新日期：2006-03-14 00:00:00

abstract：BACKGROUND:Limited information exists on the intermediate-term graft patency and 5-year clinical outcomes of patients receiving saphenous vein grafts with multiple (m-SVG) versus single distal targets (s-SVG) during coronary artery bypass graft (CABG) surgery in the current era. METHODS AND RESULTS:We studied the asso...

journal_title：Circulation

authors： Mehta RH,Ferguson TB,Lopes RD,Hafley GE,Mack MJ,Kouchoukos NT,Gibson CM,Harrington RA,Califf RM,Peterson ED,Alexander JH,Project of Ex-vivo Vein Graft Engineering via Transfection (PREVENT) IV Investigators.

更新日期：2011-07-19 00:00:00

abstract：BACKGROUND:Glycoprotein (GP) IIb/IIIa inhibitors are beneficial in patients with non-ST-segment elevation acute coronary syndromes (NSTE ACS); their safe use in women, however, remains a concern. The contribution of dosing to the observed sex-related differences in bleeding is unknown. METHODS AND RESULTS:We explored ...

journal_title：Circulation

authors： Alexander KP,Chen AY,Newby LK,Schwartz JB,Redberg RF,Hochman JS,Roe MT,Gibler WB,Ohman EM,Peterson ED,CRUSADE (Can Rapid risk stratification of Unstable angina patients Suppress ADverse outcomes with Early implementation of the ACC\/

更新日期：2006-09-26 00:00:00

abstract：BACKGROUND:Bradycardia and sinus node dysfunction are common causes of early postoperative morbidity in orthotopic heart transplant recipients and frequently require the use of chronotropic drugs or permanent pacemakers. Several causes have been postulated, including surgical trauma to the sinus node and its blood supp...

journal_title：Circulation

authors： Rothman SA,Jeevanandam V,Combs WG,Furukawa S,Hsia HH,Eisen HJ,Buxton AE,Miller JM

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Heart valve surgery has an associated in-hospital mortality rate of 4% to 8%. This study aims to develop a simple risk model to predict the risk of in-hospital mortality for patients undergoing heart valve surgery to provide information to patients and clinicians and to facilitate institutional comparisons. ...

journal_title：Circulation

authors： Ambler G,Omar RZ,Royston P,Kinsman R,Keogh BE,Taylor KM

更新日期：2005-07-12 00:00:00

abstract：BACKGROUND:Mitral regurgitation (MR) generally accompanies inferobasal myocardial infarction (MI), with leaflet tethering by displaced papillary muscles. Mitral regurgitation is also reported with anteroapical MI without global dilatation or inferior wall motion abnormalities. We hypothesized that anteroapical MI exten...

journal_title：Circulation

authors： Yosefy C,Beeri R,Guerrero JL,Vaturi M,Scherrer-Crosbie M,Handschumacher MD,Levine RA

更新日期：2011-04-12 00:00:00

abstract：BACKGROUND:Because pulmonary artery size is considered by most investigators to be a major prognosticator of outcome in patients undergoing staged Fontan reconstruction, the objective of the present study was to determine the efficacy of noninvasive measures in determining pulmonary artery size. METHODS AND RESULTS:Th...

journal_title：Circulation

authors： Fogel MA,Donofrio MT,Ramaciotti C,Hubbard AM,Weinberg PM

更新日期：1994-12-01 00:00:00

abstract：:Heart-lung transplantation results in afferent and efferent denervation of the transplanted organs including interruption of the central connections from the low-pressure receptors in the atria and pulmonary veins. We investigated whether the cardiovascular and neurohumoral responses to the postural stimulus of head-u...

journal_title：Circulation

authors： Banner NR,Williams TD,Patel N,Chalmers J,Lightman SL,Yacoub MH

更新日期：1990-09-01 00:00:00

abstract：BACKGROUND:Cardiac-targeted expression of truncated K(v)4.2 subunit (K(v)4.2N) reduces transient outward current (I(to)) density, prolongs action potentials (APs), and enhances contractility in 3- to 4-week-old transgenic mice. By 13 to 15 weeks of age, these mice develop severely impaired cardiac function and signs of...

journal_title：Circulation

authors： Sah R,Oudit GY,Nguyen TT,Lim HW,Wickenden AD,Wilson GJ,Molkentin JD,Backx PH

更新日期：2002-04-16 00:00:00

abstract：BACKGROUND:Oxidized LDL (oxLDL) is thought to play a key role in the inflammatory response in the arterial vessel wall. METHODS AND RESULTS:In a prospective, nested, case-control study, the association between plasma oxLDL and risk of an acute coronary heart disease (CHD) event was investigated in men without prevalen...

journal_title：Circulation

authors： Meisinger C,Baumert J,Khuseyinova N,Loewel H,Koenig W

更新日期：2005-08-02 00:00:00

abstract：BACKGROUND:Uncoupling protein 2 (UCP2) regulates the production of reactive oxygen species in macrophages. However, its role in atherosclerosis is unknown. METHODS AND RESULTS:Irradiated low-density lipoprotein receptor deficient mice (LDLR-/-) were transplanted with bone marrow from either UCP2 deficient mice (Ucp2-/...

journal_title：Circulation

authors： Blanc J,Alves-Guerra MC,Esposito B,Rousset S,Gourdy P,Ricquier D,Tedgui A,Miroux B,Mallat Z

更新日期：2003-01-28 00:00:00

abstract：BACKGROUND:Factor Xa plays a central role in the generation of thrombin, making it a novel target for treatment of arterial thrombosis. Fondaparinux is a synthetic factor Xa inhibitor that has been shown to be superior to standard therapies for the prevention of venous thrombosis. We performed a randomized trial to det...

journal_title：Circulation

authors： Mehta SR,Steg PG,Granger CB,Bassand JP,Faxon DP,Weitz JI,Afzal R,Rush B,Peters RJ,Natarajan MK,Velianou JL,Goodhart DM,Labinaz M,Tanguay JF,Fox KA,Yusuf S,ASPIRE Investigators.

更新日期：2005-03-22 00:00:00

abstract：BACKGROUND:Heat shock proteins (HSPs) are well known for their ability to "protect" the structure and function of native macromolecules, particularly as they traffic across membranes. Considering the role of key mitochondrial proteins in apoptosis and the known antiapoptotic effects of HSP27 and HSP72, we postulated th...

journal_title：Circulation

authors： Kirchhoff SR,Gupta S,Knowlton AA

更新日期：2002-06-18 00:00:00

abstract：BACKGROUND:The formation of prostacyclin (PGI(2)), thromboxane (TX) A(2), and isoprostanes is markedly enhanced in atherosclerosis. We examined the relative contribution of cyclooxygenase (COX)-1 and -2 to the generation of these eicosanoids in patients with atherosclerosis. METHODS AND RESULTS:The study population co...

journal_title：Circulation

authors： Belton O,Byrne D,Kearney D,Leahy A,Fitzgerald DJ

更新日期：2000-08-22 00:00:00

abstract：BACKGROUND:The association between elevated blood triglyceride levels and subsequent mortality risk in patients with established coronary heart disease (CHD) has been investigated rarely. The aim of the present study was to investigate this association. METHODS AND RESULTS:We evaluated mortality over a mean follow-up ...

journal_title：Circulation

authors： Haim M,Benderly M,Brunner D,Behar S,Graff E,Reicher-Reiss H,Goldbourt U

更新日期：1999-08-03 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