Perfusion versus function: the ischemic cascade in demand ischemia: implications of single-vessel versus multivessel stenosis.

abstract：BACKGROUND:Tetralogy of Fallot is the most common form of congenital heart disease in implantable cardioverter-defibrillator (ICD) recipients, yet little is known about the value of ICDs in this patient population. METHODS AND RESULTS:We conducted a multicenter cohort study in high-risk patients with Tetralogy of Fall...

journal_title：Circulation

authors： Khairy P,Harris L,Landzberg MJ,Viswanathan S,Barlow A,Gatzoulis MA,Fernandes SM,Beauchesne L,Therrien J,Chetaille P,Gordon E,Vonder Muhll I,Cecchin F

更新日期：2008-01-22 00:00:00

abstract：:The 21-amino acid peptide endothelin-1 (ET-1) is the predominant isoform of the endothelin peptide family, which includes ET-2, ET-3, and ET-4. It exerts various biological effects, including vasoconstriction and the stimulation of cell proliferation in tissues both within and outside of the cardiovascular system. ET-...

journal_title：Circulation

authors： Lüscher TF,Barton M

更新日期：2000-11-07 00:00:00

abstract：:In this report we describe electrophysiologic and histologic findings in hearts and endocardially resected preparations from patients with sustained ventricular tachycardias in the chronic phase of myocardial infarction. We recorded simultaneously from 64 endocardial sites during tachycardia in 72 patients that were o...

journal_title：Circulation

authors： de Bakker JM,van Capelle FJ,Janse MJ,Wilde AA,Coronel R,Becker AE,Dingemans KP,van Hemel NM,Hauer RN

更新日期：1988-03-01 00:00:00

abstract：BACKGROUND:Although diabetes is a well-known risk factor of atherosclerotic cardiovascular diseases, the cardiovascular disease risk of glycemia below the current diabetic threshold remains uncertain. METHODS AND RESULTS:A total of 652,901 Korean men aged 30 to 64 years from the Korean National Health Insurance System...

journal_title：Circulation

authors： Sung J,Song YM,Ebrahim S,Lawlor DA

更新日期：2009-02-17 00:00:00

abstract：:An isolated perfused working rat heart model was used to investigate the extent to which various protective agents, used either singly or in combination, were able to increase the resistance of the heart to periods of transient ischemia. The aim of the studies was to develop a solution which, if infused into the coron...

journal_title：Circulation

authors： Hearse DJ,Stewart DA,Braimbridge MV

更新日期：1976-08-01 00:00:00

abstract：BACKGROUND:Cardiovascular disease (CVD) is the leading cause of death in the United States and is responsible for 17% of national health expenditures. As the population ages, these costs are expected to increase substantially. METHODS AND RESULTS:To prepare for future cardiovascular care needs, the American Heart Asso...

journal_title：Circulation

authors： Heidenreich PA,Trogdon JG,Khavjou OA,Butler J,Dracup K,Ezekowitz MD,Finkelstein EA,Hong Y,Johnston SC,Khera A,Lloyd-Jones DM,Nelson SA,Nichol G,Orenstein D,Wilson PW,Woo YJ,American Heart Association Advocacy Coordinating

更新日期：2011-03-01 00:00:00

abstract：BACKGROUND:Persons with end-stage renal disease and those with lesser degrees of chronic kidney disease (CKD) have an increased risk of death after myocardial infarction (MI) that is not fully explained by associated comorbidities. Future cardiovascular event rates and the relative response to therapy in persons with m...

journal_title：Circulation

authors： Tokmakova MP,Skali H,Kenchaiah S,Braunwald E,Rouleau JL,Packer M,Chertow GM,Moyé LA,Pfeffer MA,Solomon SD

更新日期：2004-12-14 00:00:00

abstract：BACKGROUND:The reason for the delay in onset of the electrophysiological effects and antiarrhythmic efficacy of amiodarone is not clear. The relation between the development of the electrophysiological effects of amiodarone and its myocardial concentration is unknown. We therefore examined the time course of developmen...

journal_title：Circulation

authors： Nanas JN,Mason JW

更新日期：1995-01-15 00:00:00

abstract：BACKGROUND:To further evaluate the mechanism of beta-blocker-induced benefits in heart failure, the relationships between bisoprolol-induced hemodynamic effects and survival were studied during the Cardiac Insufficiency BIsoprolol Study (CIBIS). METHODS AND RESULTS:In 557 patients studied, bisoprolol significantly red...

journal_title：Circulation

authors： Lechat P,Escolano S,Golmard JL,Lardoux H,Witchitz S,Henneman JA,Maisch B,Hetzel M,Jaillon P,Boissel JP,Mallet A

更新日期：1997-10-07 00:00:00

abstract：BACKGROUND:Nitric oxide (NO)-mediated local regulation of vascular tone is considered to involve endothelial NO synthase (eNOS). However, we recently reported that human forearm basal microvascular tone in vivo is tonically regulated by neuronal NO synthase (nNOS), in contrast to an acetylcholine-stimulated reduction i...

journal_title：Circulation

authors： Seddon M,Melikian N,Dworakowski R,Shabeeh H,Jiang B,Byrne J,Casadei B,Chowienczyk P,Shah AM

更新日期：2009-05-26 00:00:00

abstract：:One of the noninvasive methods of evaluating left ventricular performance is the measurement of left ventricular systolic time intervals (LVSTI). However, noninvasive measurement of right ventricular systole by this technique has been unreliable because of the inability to accurately time the onset of right ventricula...

journal_title：Circulation

authors： Hirschfeld S,Meyer R,Schwartz DC,Korfhagen J,Kaplan S

更新日期：1975-02-01 00:00:00

abstract：:Study of the detailed pathology of the myocardium and coronary arteries in ambulatory subjects dying suddenly of coronary heart disease shows that they can be divided into two groups. In one group, there is atherosclerosis with a new vascular event involving coronary thrombosis, which initiates acute myocardial ischem...

journal_title：Circulation

authors： Davies MJ

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:Adhesion of monocytes to the endothelium is an initial step in the early stages of atherosclerosis and inflammation. Granulocyte-macrophage colony-stimulating factor (GM-CSF) stimulates a range of functional activities of monocytes, including regulation of monocyte adhesion and induction of cytokine producti...

journal_title：Circulation

authors： Takahashi M,Kitagawa S,Masuyama JI,Ikeda U,Kasahara T,Takahashi YI,Furukawa Y,Kano S,Shimada K

更新日期：1996-03-15 00:00:00

abstract：BACKGROUND:Data from single-center studies suggest that echocardiographic parameters of mechanical dyssynchrony may improve patient selection for cardiac resynchronization therapy (CRT). In a prospective, multicenter setting, the Predictors of Response to CRT (PROSPECT) study tested the performance of these parameters ...

journal_title：Circulation

authors： Chung ES,Leon AR,Tavazzi L,Sun JP,Nihoyannopoulos P,Merlino J,Abraham WT,Ghio S,Leclercq C,Bax JJ,Yu CM,Gorcsan J 3rd,St John Sutton M,De Sutter J,Murillo J

更新日期：2008-05-20 00:00:00

abstract：BACKGROUND:Retrospective studies in dialysis patients have reported increased survival after coronary artery bypass (CAB) compared with coronary artery stenting and PTCA. The purpose of this study was to compare the long-term outcome of renal transplant recipients after stent, PTCA, or CAB with or without internal mamm...

journal_title：Circulation

authors： Herzog CA,Ma JZ,Collins AJ

更新日期：2004-06-15 00:00:00

abstract：BACKGROUND:Atherosclerosis is complicated by cardiovascular events such as myocardial infarction, stroke, or peripheral arterial occlusive disease. Inflammation and pathological neovascularization are thought to precipitate plaque rupture or erosion, both causes of arterial thrombosis and cardiovascular events. We test...

journal_title：Circulation

authors： Fleiner M,Kummer M,Mirlacher M,Sauter G,Cathomas G,Krapf R,Biedermann BC

更新日期：2004-11-02 00:00:00

abstract：:Twelve patients with medically refractory ventricular tachycardia secondary to ischemic heart disease underwent surgery for cure of their arrhythmia. Preoperatively, the tachycardia could be reproducibly initiated and terminated in each patient by programmed stimulation. In all instances, intraoperative mapping locali...

journal_title：Circulation

authors： Josephson ME,Harken AH,Horowitz LN

更新日期：1979-12-01 00:00:00

abstract：BACKGROUND:Cardiopulmonary bypass and cardiac surgery are associated with a significant systemic inflammatory response that may increase postoperative complications. This meta-analysis assessed whether the benefits and risks of corticosteroid use were dose dependent in adult cardiac surgery. METHODS AND RESULTS:Random...

journal_title：Circulation

authors： Ho KM,Tan JA

更新日期：2009-04-14 00:00:00

abstract：BACKGROUND:Cardiac allograft arteriosclerosis is a complex process of alloimmune response, chronic inflammation, and smooth muscle cell proliferation that includes cross talk between cytokines and growth factors. METHODS AND RESULTS:Our results in rat cardiac allografts established alloimmune response as an alternativ...

journal_title：Circulation

authors： Lemström KB,Krebs R,Nykänen AI,Tikkanen JM,Sihvola RK,Aaltola EM,Häyry PJ,Wood J,Alitalo K,Ylä-Herttuala S,Koskinen PK

更新日期：2002-05-28 00:00:00

abstract：:Seven of 214 patients (3%) with acute myocardial infarction (120 inferior and 94 anterior) developed atrial fibrillation within 3 hr of the onset of chest pain. All seven patients had an inferior infarction and in all seven the left circumflex artery was occluded proximal to the origin of its left atrial circumflex br...

journal_title：Circulation

authors： Hod H,Lew AS,Keltai M,Cercek B,Geft IL,Shah PK,Ganz W

更新日期：1987-01-01 00:00:00

abstract：BACKGROUND:The quantity and intensity of physical activity required for the primary prevention of coronary heart disease (CHD) remain unclear. Therefore, we examined the association of the quantity and intensity of physical activity with CHD risk and the impact of other coronary risk factors. METHODS AND RESULTS:We fo...

journal_title：Circulation

authors： Sesso HD,Paffenbarger RS Jr,Lee IM

更新日期：2000-08-29 00:00:00

abstract：BACKGROUND:The pathobiological basis of ischemic heart disease and thus the manifestations and response to therapy can differ between women and men. In prior studies, sex-based treatment differences have been observed with the antiischemic ranolazine, with a possibly diminished effect in women. METHODS AND RESULTS:We ...

journal_title：Circulation

authors： Mega JL,Hochman JS,Scirica BM,Murphy SA,Sloan S,McCabe CH,Merlini P,Morrow DA

更新日期：2010-04-27 00:00:00

abstract：:From November 1981 to November 1982, intra-aortic balloon pumping (IABP) was used after surgery in eight patients who were from 6 weeks to 6 years old and who weighed from 4.2 to 16.2 kg. In seven patients, specially constructed intra-aortic balloons with 2.5 and 5.0 ml volumes mounted on No. 5F catheters were used. I...

journal_title：Circulation

authors： Veasy LG,Blalock RC,Orth JL,Boucek MM

更新日期：1983-11-01 00:00:00

abstract：BACKGROUND:We have developed a new measure of myocardial viability, the water-perfusable tissue index (PTI), which is calculated from transmission, C15O, and H2(15)O positron emission tomography (PET) data sets. It is defined as the proportion of the total anatomical tissue within a given region of interest (ROI) that ...

journal_title：Circulation

authors： Yamamoto Y,de Silva R,Rhodes CG,Araujo LI,Iida H,Rechavia E,Nihoyannopoulos P,Hackett D,Galassi AR,Taylor CJ

更新日期：1992-07-01 00:00:00

abstract：BACKGROUND:The morphological hallmark of tetralogy of Fallot is controversial, with much disagreement as to whether the subpulmonary infundibulum in this lesion is hypoplastic. In addition, few quantitative data are available regarding the morphometry of the subpulmonary infundibulum, what anatomic characteristics are ...

journal_title：Circulation

authors： Geva T,Ayres NA,Pac FA,Pignatelli R

更新日期：1995-08-15 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:Numerous scales exist for the classification of major bleeding events. Limited data compare the most commonly used bleeding scales within a single at-risk cohort of patients with atrial fibrillation. Here, we analyze bleeding outcomes according to the ISTH (International Society on Thrombosis and Hemostasis)...

journal_title：Circulation

authors： Bergmark BA,Kamphuisen PW,Wiviott SD,Ruff CT,Antman EM,Nordio F,Kuder JF,Mercuri MF,Lanz HJ,Braunwald E,Giugliano RP

更新日期：2019-11-26 00:00:00

abstract：BACKGROUND:-Recent studies have suggested that testosterone has a protective effect in the arterial vascular system. However, little is known about the molecular aspects of the mechanism(s) involved in these processes. The aim of the present study was to investigate the effect of testosterone on neointimal plaque devel...

journal_title：Circulation

authors： Hanke H,Lenz C,Hess B,Spindler KD,Weidemann W

更新日期：2001-03-13 00:00:00

abstract：BACKGROUND:In patients with coronary artery disease (CAD), acute thrombosis frequently occurs in coronary arteries with only mild or moderate stenoses. Obesity increases the risk of atherosclerosis, but it is not known whether it also increases the risk of coronary thrombosis. We hypothesized that body mass index (BMI)...

journal_title：Circulation

authors： Wolk R,Berger P,Lennon RJ,Brilakis ES,Somers VK

更新日期：2003-11-04 00:00:00

abstract：BACKGROUND:Improvements are known to occur in right ventricular (RV) ejection fraction after the use of a left ventricular assist device (LVAD); less is known, however, about the mechanism of this improvement. The concept of ventricular/arterial coupling was applied to investigate whether systolic pump function or afte...

journal_title：Circulation

authors： Morita S,Kormos RL,Mandarino WA,Eishi K,Kawai A,Gasior TA,Deneault LG,Armitage JM,Hardesty RL,Griffith BP

更新日期：1992-11-01 00:00:00