Optimal resources for ultrasonic examination of the heart. Echocardiography study group.

abstract：BACKGROUND:Catheter-based intrapericardial (IPC) delivery of therapeutic agents has recently been demonstrated. Paclitaxel is known to inhibit vascular smooth muscle cell proliferation. This study examined the effect of IPC instillation of paclitaxel on neointimal proliferation after balloon overstretch of porcine coro...

journal_title：Circulation

authors： Hou D,Rogers PI,Toleikis PM,Hunter W,March KL

更新日期：2000-09-26 00:00:00

abstract：BACKGROUND:A major advantage of coronary artery bypass graft surgery (CABG) relative to percutaneous coronary intervention is its durability, yet there is a paucity of information on rates and predictors of repeat coronary revascularization after CABG in the modern era. METHODS AND RESULTS:We included patients ≥65 yea...

journal_title：Circulation

authors： Fosbøl EL,Zhao Y,Shahian DM,Grover FL,Edwards FH,Peterson ED

更新日期：2013-04-23 00:00:00

abstract：:Preservation of regional myocardial function, high-energy phosphate stores and ultrastructure were assessed in 28 canine hearts subjected to 2 hours of global ischemia at either 12 degrees C or 21 degrees C. The preservation achieved with a potassium arrest solution was simultaneously compared in the same heart with e...

journal_title：Circulation

authors： Johnson RG,Jacocks MA,Aretz TH,Geffin GA,O'Keefe DD,DeBoer LW,Guyton RA,Fallon JT,Daggett WM

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:Hemodialysis vascular access dysfunction is the single most important cause of morbidity in kidney hemodialysis patients. Failure of an arteriovenous polytetrafluoroethylene (PTFE) graft, the most common form of hemodialysis access, is primarily due to intimal hyperplasia and thrombosis at the venous anastom...

journal_title：Circulation

authors： Luo Z,Akita GY,Date T,Treleaven C,Vincent KA,Woodcock D,Cheng SH,Gregory RJ,Jiang C

更新日期：2005-04-05 00:00:00

abstract：BACKGROUND:Use of endoscopic saphenous vein harvesting has developed into a routine surgical approach at many cardiothoracic surgical centers. The association between this technique and long-term morbidity and mortality has recently been called into question. The present report describes the use of open versus endoscop...

journal_title：Circulation

authors： Dacey LJ,Braxton JH Jr,Kramer RS,Schmoker JD,Charlesworth DC,Helm RE,Frumiento C,Sardella GL,Clough RA,Jones SR,Malenka DJ,Olmstead EM,Ross CS,O'Connor GT,Likosky DS,Northern New England Cardiovascular Disease Study Group.

更新日期：2011-01-18 00:00:00

abstract：BACKGROUND:The release of endothelium-derived relaxing factors has been shown experimentally to be of pivotal importance for the maintenance of coronary blood flow during increased demand. In humans with coronary atherosclerosis, endothelial vasodilator dysfunction is not confined only to epicardial conductance vessels...

journal_title：Circulation

authors： Zeiher AM,Krause T,Schächinger V,Minners J,Moser E

更新日期：1995-05-01 00:00:00

abstract：:An endothelium-dependent vasodilator response to acetylcholine has been described recently in patients with coronary artery disease. Those studies determined responses only of large epicardial arteries. Our study was designed to determine the integrated effects of acetylcholine on epicardial diameter, coronary flow, a...

journal_title：Circulation

authors： Hodgson JM,Marshall JJ

更新日期：1989-05-01 00:00:00

abstract：:Relationships between enzyme estimates (EE) and histologic measurements of infarct size (HIS) were analyzed in 14 conscious dogs with permanent occlusion of the circumflex coronary artery. EE were derived from serial CPK, CPK-MM, CPK-MB, and CPK-BB. Estimates were obtained using methods of Shell et al., Norris et al.,...

journal_title：Circulation

authors： Roe CR,Cobb FR,Starmer CF

更新日期：1977-03-01 00:00:00

abstract：BACKGROUND:Modeling of human arrhythmias with induced pluripotent stem cell-derived cardiomyocytes has focused on single-cell phenotypes. However, arrhythmias are the emergent properties of cells assembled into tissues, and the impact of inherited arrhythmia mutations on tissue-level properties of human heart tissue ha...

journal_title：Circulation

authors： Park SJ,Zhang D,Qi Y,Li Y,Lee KY,Bezzerides VJ,Yang P,Xia S,Kim SL,Liu X,Lu F,Pasqualini FS,Campbell PH,Geva J,Roberts AE,Kleber AG,Abrams DJ,Pu WT,Parker KK

更新日期：2019-07-30 00:00:00

abstract：BACKGROUND:Inflammation and matrix degradation may play a pathogenic role in chronic heart failure (CHF), and therefore, we examined whether thalidomide, a drug with potential immunomodulating and matrix-stabilizing properties, could improve left ventricular (LV) function in patients with CHF secondary to idiopathic di...

journal_title：Circulation

authors： Gullestad L,Ueland T,Fjeld JG,Holt E,Gundersen T,Breivik K,Følling M,Hodt A,Skårdal R,Kjekshus J,Andreassen A,Kjekshus E,Wergeland R,Yndestad A,Frøland SS,Semb AG,Aukrust P

更新日期：2005-11-29 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:Prolonged metabolic abnormalities have been demonstrated previously in postischemic myocardium, including relative increases in glucose uptake and abnormal fatty acid kinetics. However, quantitative metabolic information is limited, and the time course of changes in MVO2 in postischemic myocardium is unknown...

journal_title：Circulation

authors： Buxton DB,Mody FV,Krivokapich J,Phelps ME,Schelbert HR

更新日期：1992-05-01 00:00:00

abstract：BACKGROUND:Although early intravenous beta-blocker therapy during acute myocardial infarction (AMI) reduces the incidence of fatal arrhythmias in patients not treated with thrombolytic agents, its antiarrhythmic effect in thrombolysed patients remains controversial. We investigated prospectively the arrhythmia incidenc...

journal_title：Circulation

authors： Heidbüchel H,Tack J,Vanneste L,Ballet A,Ector H,Van de Werf F

更新日期：1994-03-01 00:00:00

abstract：:Because acute segmental wall motion abnormalities (SWMAs) of the left ventricle are highly sensitive and specific indicators of myocardial ischemia, this study compared the incidence and significance of ischemia, as detected by two-dimensional transesophageal echocardiography and surface electrocardiography, during an...

journal_title：Circulation

authors： Smith JS,Cahalan MK,Benefiel DJ,Byrd BF,Lurz FW,Shapiro WA,Roizen MF,Bouchard A,Schiller NB

更新日期：1985-11-01 00:00:00

abstract：BACKGROUND:Integrins are involved in structural remodeling and tissue repair. This study aimed to elucidate the role of the beta-integrins in cardiac remodeling after myocardial infarction (MI). METHODS AND RESULTS:The MI model was created by ligation of the left anterior descending coronary artery in rats. We detecte...

journal_title：Circulation

authors： Sun M,Opavsky MA,Stewart DJ,Rabinovitch M,Dawood F,Wen WH,Liu PP

更新日期：2003-02-25 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：:Characteristics of blood-flow velocities were investigated at different sites in two types of coronary artery bypass grafts, sequential saphenous vein grafts (SSVG) and internal mammary artery grafts (IMAG). The latter appear to have the longest life span. The patency rate of the side-to-side anastomosis of the SSVG i...

journal_title：Circulation

authors： Fujiwara T,Kajiya F,Kanazawa S,Matsuoka S,Wada Y,Hiramatsu O,Kagiyama M,Ogasawara Y,Tsujioka K,Katsumura T

更新日期：1988-11-01 00:00:00

abstract：BACKGROUND:Circulatory arrest (CA), which provides a bloodless field and good visualization without the need of aortic cross-clamp, is commonly used to facilitate repair of aortic lesions. However, extended periods of CA may impair cerebral metabolism and cause ischemic injury. Studies were performed to evaluate the ef...

journal_title：Circulation

authors： Lin PJ,Chang CH,Tan PP,Chang CN,Lee ST,Wang CC,Chang JP,Liu DW,Chu JJ,Tsai KT,Kao CL,Hsieh MJ,Hua MS

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Controversy exists as to whether off-pump CABG with local occlusion results in clinically significant myocardial ischemia during the occlusion period. This study was undertaken to delineate the effects of transient local coronary artery occlusion on regional systolic function. METHODS AND RESULTS:Eight cons...

journal_title：Circulation

authors： Brown PM Jr,Kim VB,Boyer BJ,Lust RM,Chitwood WR Jr,Elbeery JR

更新日期：1999-11-09 00:00:00

abstract：BACKGROUND:Previous studies found that percutaneous coronary intervention (PCI) does not improve outcome compared with medical therapy (MT) in patients with stable coronary artery disease, but PCI was guided by angiography alone. FAME 2 trial (Fractional Flow Reserve Versus Angiography for Multivessel Evaluation) compa...

journal_title：Circulation

authors： Fearon WF,Nishi T,De Bruyne B,Boothroyd DB,Barbato E,Tonino P,Jüni P,Pijls NHJ,Hlatky MA,FAME 2 Trial Investigators.

更新日期：2018-01-30 00:00:00

abstract：:We performed a 15 year follow-up of 748 patients undergoing bypass surgery, comparing 532 patients with one or two internal mammary artery grafts with or without additional saphenous vein grafts to 216 patients with saphenous vein grafts alone. During the 15 years of follow-up the 532 patients with at least one intern...

journal_title：Circulation

authors： Cameron A,Kemp HG Jr,Green GE

更新日期：1986-11-01 00:00:00

abstract：BACKGROUND:Relieving the inhibition of sarcoplasmic reticular function by phospholamban is a major target of beta-adrenergic stimulation. Chronic beta-adrenergic receptor activity has been suggested to be detrimental, on the basis of transgenic overexpression of the receptor or its signaling effectors. However, it is n...

journal_title：Circulation

authors： Dash R,Kadambi V,Schmidt AG,Tepe NM,Biniakiewicz D,Gerst MJ,Canning AM,Abraham WT,Hoit BD,Liggett SB,Lorenz JN,Dorn GW 2nd,Kranias EG

更新日期：2001-02-13 00:00:00

abstract：:Purine compounds modulate sympathetic neurotransmission; this modulation decreases nervous discharge by stimulating presynaptic inhibitory adenosine receptors, an effect antagonized by theophylline, and causes vasoconstriction through the stimulation of postsynaptic ATP receptors. In humans we evaluated the effect of ...

journal_title：Circulation

authors： Taddei S,Pedrinelli R,Salvetti A

更新日期：1990-12-01 00:00:00

abstract：BACKGROUND:One or more brief episodes of coronary artery occlusion protect or "precondition" the myocardium perfused by that artery from a subsequent episode of sustained ischemia. We sought to determine whether ischemic preconditioning protects only those myocytes subjected to brief coronary occlusion or whether brief...

journal_title：Circulation

authors： Przyklenk K,Bauer B,Ovize M,Kloner RA,Whittaker P

更新日期：1993-03-01 00:00:00

abstract：:The elimination of specific dietary cholesterol target recommendations in recent guidelines has raised questions about its role with respect to cardiovascular disease. This advisory was developed after a review of human studies on the relationship of dietary cholesterol with blood lipids, lipoproteins, and cardiovascu...

journal_title：Circulation

authors： Carson JAS,Lichtenstein AH,Anderson CAM,Appel LJ,Kris-Etherton PM,Meyer KA,Petersen K,Polonsky T,Van Horn L,American Heart Association Nutrition Committee of the Council on Lifestyle and Cardiometabolic Health; Council on Arteriosclero

更新日期：2020-01-21 00:00:00

abstract：:We reviewed 35 patients undergoing resection of a chronic postinfarction left ventricular aneurysm. There was 5.7% operative mortality. Of the long-term survivors, 80% are functional class I or II. Ten patients had postoperative left ventriculograms studied by means of a computerized analysis of endocardial motion usi...

journal_title：Circulation

authors： Shaw RC,Connors JP,Hieb BR,Ludbrook PA,Krone R,Kleiger RE,Ferguson TB,Weldon CS

更新日期：1977-09-01 00:00:00

abstract：BACKGROUND:Although several prospective cohort studies have found an inverse association between fish consumption and risk of coronary heart disease (CHD) or sudden cardiac death in the general population, limited data are available among diabetic patients. METHODS AND RESULTS:We examined prospectively the association...

journal_title：Circulation

authors： Hu FB,Cho E,Rexrode KM,Albert CM,Manson JE

更新日期：2003-04-15 00:00:00

abstract：BACKGROUND:Acquired QT prolongation enhances the susceptibility to torsades de pointes (TdP). Clinical and experimental studies indicate ventricular action potential prolongation, increased regional dispersion of repolarization, and early afterdepolarizations as underlying factors. We examined whether K(+)-current alte...

journal_title：Circulation

authors： Volders PG,Sipido KR,Vos MA,Spätjens RL,Leunissen JD,Carmeliet E,Wellens HJ

更新日期：1999-12-14 00:00:00

abstract：BACKGROUND:The uptake of oxidized low-density lipoprotein (OxLDL) by macrophage scavenger receptors is thought to be a key process in the formation of foam cells, the hallmark of early atherosclerotic lesions. CXCL16/scavenger receptor for phosphatidylserine and OxLDL is a multifunctional chemokine that exhibits scaven...

journal_title：Circulation

authors： Aslanian AM,Charo IF

更新日期：2006-08-08 00:00:00

abstract：BACKGROUND:Several authors have reported cases in which 201Tl scintigraphy demonstrated perfusion abnormality in the septum of patients with left bundle branch block (LBBB) and normal coronary arteriogram. The mechanism of this abnormality, however, remains to be clarified. METHODS AND RESULTS:To determine whether LBB...

journal_title：Circulation

authors： Ono S,Nohara R,Kambara H,Okuda K,Kawai C

更新日期：1992-03-01 00:00:00