Early detection of canine myocardial infarction by magnetic resonance imaging in vivo.

abstract：:The predictive value of the myocardial scintigraphy with 99mTc-pyrophosphate was studied in 100 patients admitted to the coronary care unit with suspected acute myocardial infarction. None of the 21 patients with normal scintigrams had acute myocardial infraction by other criteria. Fifty-five percent of patients with ...

journal_title：Circulation

authors： Holman BL,Chisholm RJ,Braunwald E

更新日期：1978-02-01 00:00:00

abstract：:This review of the clinical studies of thromboxane synthase inhibitors (TXSIs) and thromboxane receptor blocking drugs (TXRBs) covers the years 1981 to the present. Clinical studies on TXSIs include those in normal volunteers as well as those in patients with angina, peripheral vascular disease and Raynaud's syndrome,...

journal_title：Circulation

authors： Fiddler GI,Lumley P

更新日期：1990-01-01 00:00:00

abstract：BACKGROUND:Type 2 diabetes (DM-2) and impaired glucose metabolism (IGM) are associated with an increased cardiovascular disease risk. In nondiabetic individuals, increased arterial stiffness is an important cause of cardiovascular disease. Associations between DM-2 and IGM and arterial stiffness have not been systemati...

journal_title：Circulation

authors： Henry RM,Kostense PJ,Spijkerman AM,Dekker JM,Nijpels G,Heine RJ,Kamp O,Westerhof N,Bouter LM,Stehouwer CD,Hoorn Study.

更新日期：2003-04-29 00:00:00

abstract：BACKGROUND:Vascular endothelial growth factor (VEGF) is an endothelial cell-specific mitogen that is angiogenic in vitro and in vivo. It has been hypothesized that VEGF plays a role in myocardial collateral formation; however, the effects of VEGF on collateral flow to ischemic myocardium are unknown. METHODS AND RESUL...

journal_title：Circulation

authors： Banai S,Jaklitsch MT,Shou M,Lazarous DF,Scheinowitz M,Biro S,Epstein SE,Unger EF

更新日期：1994-05-01 00:00:00

abstract：:Coronary arteriography was performed before and after the intracoronary injection of nitroglycerin to determine the presence or absence of spasm in patients within the first 12 hours of acute myocardial infarction. Coronary arterial spasm was demonstrated in six of fifteen (40%) acute myocardial infarctions associated...

journal_title：Circulation

authors： Oliva PB,Breckinridge JC

更新日期：1977-09-01 00:00:00

abstract：:This study explored the association between sodium excretion and blood pressure (BP). A new method was used to minimize the measurement error introduced by the large intrinsic variability of 24-hour sodium excretion. The ratio of intra- to interindividual variation was used to estimate the number of measurements neede...

journal_title：Circulation

authors： Cooper R,Soltero I,Liu K,Berkson D,Levinson S,Stamler J

更新日期：1980-07-01 00:00:00

abstract：BACKGROUND:NAD(P)H oxidases are important sources of superoxide in the vasculature, the activity of which is associated with risk factors for human atherosclerosis. This study was designed to investigate the localization of superoxide production and the expression of the Nox family of NAD(P)H oxidase proteins (gp91phox...

journal_title：Circulation

authors： Sorescu D,Weiss D,Lassègue B,Clempus RE,Szöcs K,Sorescu GP,Valppu L,Quinn MT,Lambeth JD,Vega JD,Taylor WR,Griendling KK

更新日期：2002-03-26 00:00:00

abstract：BACKGROUND:Mitral regurgitation (MR) represents the principal indication for reoperation in patients after repair of atrioventricular septal defects (AVSD). Reports of mitral valvuloplasty (MVP) in such patients are few; the alternative, mitral valve replacement (MVR), necessitates commitment to future valve replacemen...

journal_title：Circulation

authors： Moran AM,Daebritz S,Keane JF,Mayer JE

更新日期：2000-11-07 00:00:00

abstract：:To determine the contribution of disopyramide's suggested opposing direct depressant and indirect acceleratory actions on sinus node function, we studied the effects of disopyramide, 1 x 10(-7) to 1 x 10(-4) M, on isolated rabbit sinus node preparations using standard microelectrode techniques. Transmembrane potential...

journal_title：Circulation

authors： Katoh T,Karagueuzian HS,Jordan J,Mandel WJ

更新日期：1982-12-01 00:00:00

abstract：BACKGROUND:PCTP (phosphatidylcholine transfer protein) regulates the intermembrane transfer of phosphatidylcholine. Higher platelet PCTP expression is associated with increased platelet responses on activation of protease-activated receptor 4 thrombin receptors noted in black subjects compared with white subjects. Litt...

journal_title：Circulation

authors： Mao G,Songdej N,Voora D,Goldfinger LE,Del Carpio-Cano FE,Myers RA,Rao AK

更新日期：2017-09-05 00:00:00

abstract：BACKGROUND:Guidelines have proposed that atrial fibrillation (AF) can occur as an isolated event, particularly when precipitated by a secondary, or reversible, condition. However, knowledge of long-term AF outcomes after diagnosis during a secondary precipitant is limited. METHODS AND RESULTS:In 1409 Framingham Heart ...

journal_title：Circulation

authors： Lubitz SA,Yin X,Rienstra M,Schnabel RB,Walkey AJ,Magnani JW,Rahman F,McManus DD,Tadros TM,Levy D,Vasan RS,Larson MG,Ellinor PT,Benjamin EJ

更新日期：2015-05-12 00:00:00

abstract：BACKGROUND:beta-Adrenergic receptor kinase 1 (beta ARK1) mediates beta-adrenergic receptor signaling via receptor phosphorylation, which results in functional uncoupling. The physiological importance of beta ARK1 on cardiac performance in the setting of ischemia and reperfusion injury, however, has not been clearly est...

journal_title：Circulation

authors： Chen EP,Bittner HB,Akhter SA,Koch WJ,Davis RD

更新日期：1998-11-10 00:00:00

abstract：BACKGROUND:Systemic markers of inflammation have been found in unstable angina. Disruption of culprit coronary stenoses may cause a greater inflammatory response in patients with unstable than those with stable angina. We assessed the time course of C-reactive protein (CRP), serum amyloid A protein (SAA), and interleuk...

journal_title：Circulation

authors： Liuzzo G,Buffon A,Biasucci LM,Gallimore JR,Caligiuri G,Vitelli A,Altamura S,Ciliberto G,Rebuzzi AG,Crea F,Pepys MB,Maseri A

更新日期：1998-12-01 00:00:00

abstract：BACKGROUND:The usefulness of adriamycin (ADR), a potent antitumor antibiotic, is limited by the development of life-threatening cardiomyopathy and congestive heart failure. Subcellular changes leading to heart failure are suggested to be mediated by a drug-induced increase in free radicals and lipid peroxidation. In an...

journal_title：Circulation

authors： Siveski-Iliskovic N,Hill M,Chow DA,Singal PK

更新日期：1995-01-01 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:Subclinical inflammation is associated with an increased risk of heart failure and with adverse prognosis in patients with established heart failure. Yet, treatments specifically directed at reducing inflammation in patients with heart failure have not yet shown improved clinical outcomes. We tested the hypo...

journal_title：Circulation

authors： Everett BM,Cornel JH,Lainscak M,Anker SD,Abbate A,Thuren T,Libby P,Glynn RJ,Ridker PM

更新日期：2019-03-05 00:00:00

abstract：PURPOSE:The Kantrowitz CardioVAD (KCV) is an electrically powered, pneumatically driven circulatory assist device which provides diastolic augmentation and systolic unloading to the failing heart. It consists of a 60cc-pumping chamber, a percutaneous access device (PAD), and an external controller. The pumping chamber,...

journal_title：Circulation

authors： Jeevanandam V,Jayakar D,Anderson AS,Martin S,Piccione W Jr,Heroux AL,Wynne J,Stephenson LW,Hsu J,Freed PS,Kantrowitz A

更新日期：2002-09-24 00:00:00

abstract：:The influence of cold on the threshold for myocardial ischemia and the efficacy of antianginal drugs in a cold environment were assessed in 24 patients with stable angina and exercise-induced ST depression. Treadmill exercise tests were done according to a randomized double-blind protocol 90 minutes after administrati...

journal_title：Circulation

authors： Juneau M,Johnstone M,Dempsey E,Waters DD

更新日期：1989-05-01 00:00:00

abstract：BACKGROUND:Regular exercise in patients with stable coronary artery disease has been shown to improve myocardial perfusion and to retard disease progression. We therefore conducted a randomized study to compare the effects of exercise training versus standard percutaneous coronary intervention (PCI) with stenting on cl...

journal_title：Circulation

authors： Hambrecht R,Walther C,Möbius-Winkler S,Gielen S,Linke A,Conradi K,Erbs S,Kluge R,Kendziorra K,Sabri O,Sick P,Schuler G

更新日期：2004-03-23 00:00:00

abstract：BACKGROUND:A family history of premature coronary artery disease (CAD) in a first-degree relative is an independent risk factor for coronary disease. Both genetic and environmental influences are likely to be responsible and may interact, but their relative importance is unclear. METHODS AND RESULTS:We studied endothe...

journal_title：Circulation

authors： Clarkson P,Celermajer DS,Powe AJ,Donald AE,Henry RM,Deanfield JE

更新日期：1997-11-18 00:00:00

abstract：:The relation between ventricular dysrhythmia during the first 20 hours after hospitalization for acute myocardial infarction and enzymatically estimated infarct size was studied prospectively. The duration of dyshythmia was measured by the total time during which the average premature ventricular depolarization (PVC) ...

journal_title：Circulation

authors： Cox JR Jr,Roberts R,Ambos HD,Oliver GC,Sobel BE

更新日期：1976-03-01 00:00:00

abstract：BACKGROUND:Decreased renal function has been found to be an independent risk factor for cardiovascular outcomes in patients with chronic heart failure (CHF) with markedly reduced left ventricular ejection fraction (LVEF). The aim of this analysis was to evaluate the prognostic importance of renal function in a broader ...

journal_title：Circulation

authors： Hillege HL,Nitsch D,Pfeffer MA,Swedberg K,McMurray JJ,Yusuf S,Granger CB,Michelson EL,Ostergren J,Cornel JH,de Zeeuw D,Pocock S,van Veldhuisen DJ,Candesartan in Heart Failure: Assessment of Reduction in Mortality and Morbidity

更新日期：2006-02-07 00:00:00

abstract：:In experimental animals, the calcium channel-blocking agents lessen the arrhythmogenic, ionic, metabolic, and electrical changes that occur during acute myocardial ischemia. To date, these effects have been studied separately, and the effects of these agents on local activation have not been correlated with ionic or m...

journal_title：Circulation

authors： Fleet WF,Johnson TA,Graebner CA,Engle CL,Gettes LS

更新日期：1986-04-01 00:00:00

abstract：BACKGROUND:We previously demonstrated that reduced vagal activity and/or increased sympathetic activity identify post-myocardial infarction patients at high risk for cardiac mortality. Simple and inexpensive autonomic markers are necessary to perform autonomic screening in large populations. We tested our hypothesis th...

journal_title：Circulation

authors： Falcone C,Buzzi MP,Klersy C,Schwartz PJ

更新日期：2005-09-27 00:00:00

abstract：BACKGROUND:Plaque disruption and exposure of subendothelial procoagulants such as tissue factor (TF) to circulating factor VII/VIIa (FVII/VIIa) lead to intravascular thrombosis. Tissue factor pathway inhibitor (TFPI) is an endogenous inhibitor of TF-induced coagulation that binds to factor Xa and the TF-FVIIa catalytic...

journal_title：Circulation

authors： Caplice NM,Mueske CS,Kleppe LS,Simari RD

更新日期：1998-09-15 00:00:00

abstract：BACKGROUND:In vitro experiments have shown that holmium laser energy can effectively ablate even calcified plaque in human arterial vessels. Because high-energy densities from holmium lasers can easily be transmitted through quartz fibers, this solid-state laser has been suggested as an alternative intraluminal treatme...

journal_title：Circulation

authors： Hassenstein S,Hanke H,Kamenz J,Oberhoff M,Hanke S,Riessen R,Haase KK,Betz E,Karsch KR

更新日期：1992-11-01 00:00:00

abstract：:Eight cases of ventricular parasystole are reported. In all these cases, regardless of whether parasystole seems intermittent or "continuous," the presence of second degree entrance block of the Mobitz type I was suggested. Parasystole alternated with concealed extrasystolic bigeminy showing occasional reentrant extra...

journal_title：Circulation

authors： Kinoshita S

更新日期：1978-10-01 00:00:00

abstract：BACKGROUND:Hutchinson-Gilford progeria syndrome is an ultrarare segmental premature aging disease resulting in early death from heart attack or stroke. There is no approved treatment, but starting in 2007, several recent single-arm clinical trials administered inhibitors of protein farnesylation aimed at reducing toxic...

journal_title：Circulation

authors： Gordon LB,Massaro J,D'Agostino RB Sr,Campbell SE,Brazier J,Brown WT,Kleinman ME,Kieran MW,Progeria Clinical Trials Collaborative.

更新日期：2014-07-01 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：:A lack in prostacyclin (PGI2) production due to atherosclerosis may play a role in the pathophysiology of some of the clinical manifestations of ischemic heart disease and in particular, of coronary vasospasm. We therefore evaluated the effects of i.v. PGI2 in nine patients with variant angina and six normal volunteer...

journal_title：Circulation

authors： Chierchia S,Patrono C,Crea F,Ciabattoni G,De Caterina R,Cinotti GA,Distante A,Maseri A

更新日期：1982-03-01 00:00:00