Immediate effects of hydralazine-isosorbide dinitrate combination on exercise capacity and exercise hemodynamics in patients with left ventricular failure.

abstract：BACKGROUND:Prospective data relating previous exposure to cytomegalovirus (CMV) to the risk of cardiac mortality are controversial. We investigated the effect of previous exposure to CMV infection on the risk of future cardiac disease-related death in relation to an underlying inflammatory response. METHODS AND RESULT...

journal_title：Circulation

authors： Blankenberg S,Rupprecht HJ,Bickel C,Espinola-Klein C,Rippin G,Hafner G,Ossendorf M,Steinhagen K,Meyer J

更新日期：2001-06-19 00:00:00

abstract：BACKGROUND:Adenosine can initiate ischemic preconditioning, and mitochondrial ATP-sensitive potassium (K(ATP)) channels have emerged as the likely effectors. We sought to determine the mechanistic interactions between these 2 observations. METHODS AND RESULTS:The mitochondrial flavoprotein oxidation induced by diazoxi...

journal_title：Circulation

authors： Sato T,Sasaki N,O'Rourke B,Marbán E

更新日期：2000-08-15 00:00:00

abstract：BACKGROUND:Coronary calcification detected by electron beam tomography may improve cardiovascular risk prediction. The technique is particularly promising in the elderly because the predictive power of cardiovascular risk factors weakens with age. We investigated the prognostic value of coronary calcification for cardi...

journal_title：Circulation

authors： Vliegenthart R,Oudkerk M,Hofman A,Oei HH,van Dijck W,van Rooij FJ,Witteman JC

更新日期：2005-07-26 00:00:00

abstract：BACKGROUND:Although molecular biological studies suggest a pathogenic link between enterovirus infection and dilated cardiomyopathy (DCM), the frequency of detection of enteroviral RNA is not consistently high in myocardial tissue from patients with DCM. A recent study has suggested that hepatitis C virus (HCV) may als...

journal_title：Circulation

authors： Okabe M,Fukuda K,Arakawa K,Kikuchi M

更新日期：1997-07-01 00:00:00

abstract：:The left anterior descending coronary artery of four dogs and the right common carotid artery of 15 rabbits were subjected to 40-60% reduction in transluminal diameter for 1 hour by partial ligation with suture thread. Scanning electron microscopic examination of the luminal surface of these vessels revealed endotheli...

journal_title：Circulation

authors： Gertz SD,Uretsky G,Wajnberg RS,Navot N,Gotsman MS

更新日期：1981-03-01 00:00:00

abstract：BACKGROUND:Few data are available on the impact of heart failure (HF) across all types of acute coronary syndromes (ACS). METHODS AND RESULTS:The Global Registry of Acute Coronary Events (GRACE) is a prospective study of patients hospitalized with ACS. Data from 16 166 patients were analyzed: 13 707 patients without p...

journal_title：Circulation

authors： Steg PG,Dabbous OH,Feldman LJ,Cohen-Solal A,Aumont MC,López-Sendón J,Budaj A,Goldberg RJ,Klein W,Anderson FA Jr,Global Registry of Acute Coronary Events Investigators.

更新日期：2004-02-03 00:00:00

abstract：BACKGROUND:The morphological characteristics of coronary plaques in patients with stable versus unstable coronary syndromes have been described in vivo with intravascular ultrasound, but the relationship between arterial remodeling and clinical presentation is not well known. METHODS AND RESULTS:We studied 85 patients...

journal_title：Circulation

authors： Schoenhagen P,Ziada KM,Kapadia SR,Crowe TD,Nissen SE,Tuzcu EM

更新日期：2000-02-15 00:00:00

abstract：BACKGROUND:Metformin is first-line therapy for type 2 diabetes mellitus, although its effects on the cardiovascular system are unproved. METHODS:In this post hoc analysis, patients in SAVOR-TIMI 53 (Saxagliptin and Cardiovascular Outcomes in Patients With Type 2 Diabetes Mellitus) with baseline biomarker samples (n=12...

journal_title：Circulation

authors： Bergmark BA,Bhatt DL,McGuire DK,Cahn A,Mosenzon O,Steg PG,Im K,Kanevsky E,Gurmu Y,Raz I,Braunwald E,Scirica BM,SAVOR-TIMI 53 Steering Committee and Investigators.

更新日期：2019-09-17 00:00:00

abstract：:The myocardial uptake of 125I- and 131I-antimyosin monoclonal antibody Fab in experimental myocarditis in BALB/c mice induced by encephalomyocarditis virus was studied. The biodistribution of 125I-antimyosin demonstrated that the highest ratio of radioactivity appears in the heart of infected mice on day 14 (the ratio...

journal_title：Circulation

authors： Matsumori A,Ohkusa T,Matoba Y,Okada I,Yamada T,Kawai C,Tamaki N,Watanabe Y,Yonekura Y,Endo K

更新日期：1989-02-01 00:00:00

abstract：:Aortic root motion was studied in 24 normal volunteers at rest and during the Valsalva maneuver, isometric exercise, and amyl nitrite inhalation. In addition root motion was correlated with the stroke volumes determined at cardiac catheterization in 24 patients. The root has distinct systolic movement, the amplitude a...

journal_title：Circulation

authors： Pratt RC,Parisi AF,Harrington JJ,Sasahara AA

更新日期：1976-06-01 00:00:00

abstract：:In 15 of 126 (12%) patients with truncus arteriosus who were catheterized at the Mayo Clinic from 1967 through 1975, natural agenesis of one pulmonary artery was present. Ten truncus patients with either natural or acquired absence of one pulmonary artery have undergone definitive operation. The criteria for operabili...

journal_title：Circulation

authors： Mair DD,Ritter DG,Danielson GK,Wallace RB,McGoon DC

更新日期：1977-04-01 00:00:00

abstract：BACKGROUND:In the monocrotaline (MCT)-treated rat, there is marked stimulation of DNA synthesis and megalocytosis of pulmonary arterial endothelial cells (PAECs) within 3 to 4 days, followed by pulmonary hypertension (PH) 10 to 14 days later. Growing evidence implicates caveolin-1 (cav-1) in plasma membrane rafts as a ...

journal_title：Circulation

authors： Mathew R,Huang J,Shah M,Patel K,Gewitz M,Sehgal PB

更新日期：2004-09-14 00:00:00

abstract：BACKGROUND:Little information is available regarding the occurrence of perioperative and late cardiac events in women with vascular disease. The current study was performed to examine whether sex-specific differences exist in these outcomes in a large population of vascular surgery patients and to determine the value o...

journal_title：Circulation

authors： Hendel RC,Chen MH,L'Italien GJ,Newell JB,Paul SD,Eagle KA,Leppo JA

更新日期：1995-02-15 00:00:00

abstract：BACKGROUND:Population screening for abdominal aortic aneurysm (AAA) has commenced in several countries, and has been shown to reduce AAA-related mortality by up to 50%. Most men who screen positive have an AAA <5.5 cm in diameter, the referral threshold for treatment, and are entered into an ultrasound surveillance pro...

journal_title：Circulation

authors： Oliver-Williams C,Sweeting MJ,Jacomelli J,Summers L,Stevenson A,Lees T,Earnshaw JJ

更新日期：2019-03-12 00:00:00

abstract：:We studied the inferior vena cava (IVC) as an index of right-heart function in 111 patients. A two-dimensional echocardiographic sector was used to visualize the IVC, and its M-mode cursor was used to generate a time-motion record of the IVC size and pulsation. Normal subjects had a small presystolic A wave (less than...

journal_title：Circulation

authors： Mintz GS,Kotler MN,Parry WR,Iskandrian AS,Kane SA

更新日期：1981-11-01 00:00:00

abstract：BACKGROUND:The risk of recurrent venous thrombosis is 2-fold higher in men than in women. In contrast, no such sex difference in the risk of first venous thrombosis has been reported. We hypothesized that, for a first event, a risk difference between the sexes is masked by female exposure to reproductive factors (oral ...

journal_title：Circulation

authors： Roach RE,Lijfering WM,Rosendaal FR,Cannegieter SC,le Cessie S

更新日期：2014-01-07 00:00:00

abstract：BACKGROUND:Several clinical studies have demonstrated a general superiority of biphasic waveform defibrillation compared with monophasic waveform defibrillation using epicardial lead systems. To test the breadth of utility of biphasic waveforms in humans, a prospective, randomized evaluation of defibrillation efficacy ...

journal_title：Circulation

authors： Bardy GH,Troutman C,Johnson G,Mehra R,Poole JE,Dolack GL,Kudenchuk PJ,Gartman DM

更新日期：1991-08-01 00:00:00

abstract：:Ten subjects with normal hemodynamics were studied during elective cardiac catheterization with right and left heart multisensor micromanometry to assess hemodynamic responses to the Mueller maneuver. Simultaneous right and left circulatory hemodynamics and left ventricular, pulmonary arterial, and aortic pressures we...

journal_title：Circulation

authors： Condos WR Jr,Latham RD,Hoadley SD,Pasipoularides A

更新日期：1987-11-01 00:00:00

abstract：:To define the mechanisms of unexpected cardiac arrest in advanced heart failure, we reviewed the causes of cardiac arrest as established from electrocardiographic monitoring and from clinical and autopsy data in patients hospitalized for cardiac transplantation evaluation and management of advanced heart failure (mean...

journal_title：Circulation

authors： Luu M,Stevenson WG,Stevenson LW,Baron K,Walden J

更新日期：1989-12-01 00:00:00

abstract：BACKGROUND:Thrombin plays a role in mediating ischemic injury and cardiac arrhythmias, but the mechanisms involved are poorly understood. Because voltage-gated sodium channels (VGSCs) have not previously been considered, putative effects of thrombin on VGSC function were investigated in human isolated cardiomyocytes. ...

journal_title：Circulation

authors： Pinet C,Le Grand B,John GW,Coulombe A

更新日期：2002-10-15 00:00:00

abstract：BACKGROUND:In a correlative functional/histopathologic study, we investigated the regional deformation characteristics of both chronic nontransmural and transmural infarctions before and after a dobutamine challenge. METHODS AND RESULTS:After stenosing copper-coated stent implantation to produce circumflex artery endo...

journal_title：Circulation

authors： Weidemann F,Dommke C,Bijnens B,Claus P,D'hooge J,Mertens P,Verbeken E,Maes A,Van de Werf F,De Scheerder I,Sutherland GR

更新日期：2003-02-18 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:Residual mural thrombus on severely damaged arterial wall is very thrombogenic. We tested the hypothesis that direct thrombin inhibition will block thrombus growth on fresh thrombus better than indirect thrombin inhibition, cyclooxygenase inhibition, or both. METHODS AND RESULTS:A fresh mural thrombus was f...

journal_title：Circulation

authors： Meyer BJ,Badimon JJ,Mailhac A,Fernández-Ortiz A,Chesebro JH,Fuster V,Badimon L

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:Off-pump coronary artery bypass surgery (OPCAB) has been revived and has gained popularity, although the exact subsets of patients who might benefit most from this technique are unknown. The aim of this retrospective study was to compare the results of coronary artery bypass grafting surgery (CABG) in octoge...

journal_title：Circulation

authors： Demaria RG,Carrier M,Fortier S,Martineau R,Fortier A,Cartier R,Pellerin M,Hébert Y,Bouchard D,Pagé P,Perrault LP

更新日期：2002-09-24 00:00:00

abstract：BACKGROUND:In the patient with mitral regurgitation who is being considered for valvular surgery, cardiac catheterization is usually performed to quantify the severity of regurgitation and to determine its influence on left ventricular volumes and systolic function. Magnetic resonance imaging (MRI) potentially provides...

journal_title：Circulation

authors： Hundley WG,Li HF,Willard JE,Landau C,Lange RA,Meshack BM,Hillis LD,Peshock RM

更新日期：1995-09-01 00:00:00

abstract：BACKGROUND:Familial hypercholesterolemia (FH), an autosomal codominant disease, is characterized by high levels of LDL cholesterol and a high incidence of coronary artery disease (CAD). To date, genetic heterogeneity has hindered the proper assessment of the relation between risk factors and CAD in FH patients. METHOD...

journal_title：Circulation

authors： Ferrières J,Lambert J,Lussier-Cacan S,Davignon J

更新日期：1995-08-01 00:00:00

abstract：BACKGROUND:Mutations in the cardiac sodium (Na) channel gene (SCN5A) give rise to the congenital long-QT syndrome (LQT3) and the Brugada syndrome. Na channel blockade by antiarrhythmic drugs improves the QT interval prolongation in LQT3 but worsens the Brugada syndrome ST-segment elevation. Although Na channel blockade...

journal_title：Circulation

authors： Viswanathan PC,Bezzina CR,George AL Jr,Roden DM,Wilde AA,Balser JR

更新日期：2001-09-04 00:00:00

abstract：BACKGROUND:Thiazolidinediones have been reported to protect against ischemia-reperfusion injury. Their protective actions are considered to be peroxisome proliferator-activated receptor-gamma (PPAR-gamma)-dependent; however, it is unclear how PPAR-gamma activation confers resistance to ischemia-reperfusion injury. MET...

journal_title：Circulation

authors： Wu JS,Cheung WM,Tsai YS,Chen YT,Fong WH,Tsai HD,Chen YC,Liou JY,Shyue SK,Chen JJ,Chen YE,Maeda N,Wu KK,Lin TN

更新日期：2009-03-03 00:00:00

abstract：BACKGROUND:The angiogenic function of endothelial cells is regulated by numerous mechanisms, but the impact of long noncoding RNAs (lncRNAs) has hardly been studied. We set out to identify novel and functionally important endothelial lncRNAs. METHODS:Epigenetically controlled lncRNAs in human umbilical vein endothelia...

journal_title：Circulation

authors： Leisegang MS,Fork C,Josipovic I,Richter FM,Preussner J,Hu J,Miller MJ,Epah J,Hofmann P,Günther S,Moll F,Valasarajan C,Heidler J,Ponomareva Y,Freiman TM,Maegdefessel L,Plate KH,Mittelbronn M,Uchida S,Künne C,Stello

更新日期：2017-07-04 00:00:00

abstract：:The echocardiograms of 46 patients with aortic insufficiency which manifested typical high frequency vibrations of the anterior mitral valve leaflet were reviewed. All patients had overt clinical evidence of aortic insufficiency which was confirmed by angiography in 17 cases. In 17 cases (eight of whom underwent cat...

journal_title：Circulation

authors： Cope GD,Kisslo JA,Johnson ML,Myers S

更新日期：1975-04-01 00:00:00