Noninvasive coronary vessel wall and plaque imaging with magnetic resonance imaging.

abstract：:Nine patients (eight males) are reported with one or more episodes of circulatory collapse in the absence of overt heart disease or other known causes of arrhythmias; sudden arrhythmic death occurred in one of these patients. Age at first episode ranged from 16 to 41 (mean, 28) years. In seven patients, ventricular fi...

journal_title：Circulation

authors： Wellens HJ,Lemery R,Smeets JL,Brugada P,Gorgels AP,Cheriex EC,de Zwaan C

更新日期：1992-01-01 00:00:00

abstract：:To investigate whether ergonovine acts directly on coronary arteries or via remote neurohumoral reflexes, we administered small titrated increments of intracoronary ergonovine up to a maximum cumulative dose of 50 micrograms to 15 patients. In six patients with variant angina (group 1), ischemic electrocardiographic S...

journal_title：Circulation

authors： Hackett D,Larkin S,Chierchia S,Davies G,Kaski JC,Maseri A

更新日期：1987-03-01 00:00:00

abstract：BACKGROUND:Intracoronary stents may be effective when used as "bail-out" devices for acute complications after percutaneous transluminal coronary angioplasty. Furthermore, preliminary reports have demonstrated some promising results with stents with regard to the reduction of restenosis. Several stent devices are avail...

journal_title：Circulation

authors： van der Giessen WJ,Serruys PW,van Beusekom HM,van Woerkens LJ,van Loon H,Soei LK,Strauss BH,Beatt KJ,Verdouw PD

更新日期：1991-05-01 00:00:00

abstract：BACKGROUND:Cyclosporin A is reported to impair endothelium-mediated vasorelaxation and induce endothelin release in some noncoronary vascular beds. We wished to determine whether acute cyclosporine administration induces endothelial dysfunction in coronary conductance or resistance arteries. METHODS AND RESULTS:We exa...

journal_title：Circulation

authors： Sudhir K,MacGregor JS,DeMarco T,De Groot CJ,Taylor RN,Chou TM,Yock PG,Chatterjee K

更新日期：1994-12-01 00:00:00

abstract：BACKGROUND:To examine the effect of plasminogen activator therapy on vascular permeability, we used a modified rabbit mesenteric model of extravascular tissue accumulation of radiolabeled albumin. METHODS AND RESULTS:Albumin deposition was measured after saline, tissue-type plasminogen activator (t-PA; 0.86 mg/kg for ...

journal_title：Circulation

authors： Rudd MA,Johnstone MT,Rabbani LE,George D,Ware JA,Loscalzo J

更新日期：1991-12-01 00:00:00

abstract：BACKGROUND:Drug-induced QT interval prolongation, a risk factor for life-threatening ventricular arrhythmias, is a potential side effect of many marketed and withdrawn medications. The contribution of common genetic variants previously associated with baseline QT interval to drug-induced QT prolongation and arrhythmias...

journal_title：Circulation

authors： Strauss DG,Vicente J,Johannesen L,Blinova K,Mason JW,Weeke P,Behr ER,Roden DM,Woosley R,Kosova G,Rosenberg MA,Newton-Cheh C

更新日期：2017-04-04 00:00:00

abstract：BACKGROUND:Three distinct cardiac arrhythmia disorders, the long-QT syndrome, Brugada syndrome, and conduction system disease, have been associated with heterozygous mutations in the cardiac voltage-gated sodium channel alpha-subunit gene (SCN5A). We present clinical, genetic, and biophysical features of 2 new SCN5A mu...

journal_title：Circulation

authors： Wang DW,Viswanathan PC,Balser JR,George AL Jr,Benson DW

更新日期：2002-01-22 00:00:00

abstract：BACKGROUND:Sublingual nitrates are much more effective in relieving angina pectoris in patients with coronary artery disease than in patients with syndrome X, but it is not known whether their effect on exercise tolerance is also different in these two groups of patients. METHODS AND RESULTS:Treadmill exercise testing...

journal_title：Circulation

authors： Lanza GA,Manzoli A,Bia E,Crea F,Maseri A

更新日期：1994-12-01 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：:In this study, we tested the hypothesis that the neural control of circulation in humans undergoes continuous but in part predictable changes throughout the day and night. Dynamic 24-hour recordings were obtained in two groups of ambulant subjects. In 18 hospitalized patients free to move, direct high-fidelity arteria...

journal_title：Circulation

authors： Furlan R,Guzzetti S,Crivellaro W,Dassi S,Tinelli M,Baselli G,Cerutti S,Lombardi F,Pagani M,Malliani A

更新日期：1990-02-01 00:00:00

abstract：BACKGROUND:Early detection of adverse effects of novel therapies and understanding of their mechanisms could improve the safety and efficiency of drug development. We have retrospectively applied large-scale proteomics to blood samples from ILLUMINATE (Investigation of Lipid Level Management to Understand its Impact in...

journal_title：Circulation

authors： Williams SA,Murthy AC,DeLisle RK,Hyde C,Malarstig A,Ostroff R,Weiss SJ,Segal MR,Ganz P

更新日期：2018-03-06 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：:Prospective data was recorded on 217 percutaneous transluminal angioplasty (PTA) procedures performed in the superficial femoral and popliteal arteries over an 8-year period. After the initial procedure, patients were followed with serial noninvasive studies and, in 71 patients, repeat angiography. The mean follow-up ...

journal_title：Circulation

authors： Capek P,McLean GK,Berkowitz HD

更新日期：1991-02-01 00:00:00

abstract：BACKGROUND:Percutaneous transluminal coronary angioplasty of the infarct-related artery in stable survivors of acute myocardial infarction is often performed, even in patients without any symptoms or residual ischemia. Despite the lack of randomized studies, it is widely believed that this intervention will improve the...

journal_title：Circulation

authors： Zeymer U,Uebis R,Vogt A,Glunz HG,Vöhringer HF,Harmjanz D,Neuhaus KL,ALKK-Study Group.

更新日期：2003-09-16 00:00:00

abstract：BACKGROUND:Poststroke angiogenesis contributes to long-term recovery after stroke. Signal transducer and activator of transcription-3 (Stat3) is a key regulator for various inflammatory signals and angiogenesis. It was the aim of this study to determine its function in poststroke outcome. METHODS AND RESULTS:We genera...

journal_title：Circulation

authors： Hoffmann CJ,Harms U,Rex A,Szulzewsky F,Wolf SA,Grittner U,Lättig-Tünnemann G,Sendtner M,Kettenmann H,Dirnagl U,Endres M,Harms C

更新日期：2015-05-19 00:00:00

abstract：BACKGROUND:The heart contains a variety of morphologically distinct nerve terminals known to influence cardiac function. Little is known about the distribution, morphology, and neurochemistry of these terminals in the human heart. METHODS AND RESULTS:We examined the entire endocardial and epicardial surfaces of infant...

journal_title：Circulation

authors： Marron K,Wharton J,Sheppard MN,Fagan D,Royston D,Kuhn DM,de Leval MR,Whitehead BF,Anderson RH,Polak JM

更新日期：1995-10-15 00:00:00

abstract：BACKGROUND:Although global ischemia induces troponin I (TnI) degradation, regional ischemia does not. We hypothesized that this disparity is related to preload-induced proteolysis, which varies as a function of the amount of myocardium at risk of ischemia. METHODS AND RESULTS:Isolated rat hearts were buffer-perfused a...

journal_title：Circulation

authors： Feng J,Schaus BJ,Fallavollita JA,Lee TC,Canty JM Jr

更新日期：2001-04-24 00:00:00

abstract：BACKGROUND:Coronary revascularization with bypass has been shown to improve survival in patients with coronary artery disease and left ventricular dysfunction. In these patients, use of nonsurgical revascularization with percutaneous transluminal coronary angioplasty (PTCA) is increasing, although their long-term outco...

journal_title：Circulation

authors： Holmes DR Jr,Detre KM,Williams DO,Kent KM,King SB 3rd,Yeh W,Steenkiste A

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Influenza infection is a serious event for patients with heart failure (HF). Little knowledge exists about the association between influenza vaccination and outcome in patients with HF. This study sought to determine whether influenza vaccination is associated with improved long-term survival in patients wit...

journal_title：Circulation

authors： Modin D,Jørgensen ME,Gislason G,Jensen JS,Køber L,Claggett B,Hegde SM,Solomon SD,Torp-Pedersen C,Biering-Sørensen T

更新日期：2019-01-29 00:00:00

abstract：BACKGROUND:Experimental studies suggest that arterial injury and inflammation lead to increased neointimal growth after stenting. Despite the increased use of coronary stents in humans, there are only limited pathological data on the morphological features of in-stent restenosis. METHODS AND RESULTS:Detailed histology...

journal_title：Circulation

authors： Farb A,Weber DK,Kolodgie FD,Burke AP,Virmani R

更新日期：2002-06-25 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：BACKGROUND:Hypertrophic cardiomyopathy (HCM) is characterized by myocardial hypertrophy of unknown etiology. Missense mutations of the cardiac beta-myosin-heavy-chain (beta-MHC) gene that may be responsible for cardiac hypertrophy have been detected in patients with HCM. On the other hand, gross structural abnormalitie...

journal_title：Circulation

authors： Nishi H,Kimura A,Harada H,Koga Y,Adachi K,Matsuyama K,Koyanagi T,Yasunaga S,Imaizumi T,Toshima H

更新日期：1995-06-15 00:00:00

abstract：BACKGROUND:Heart failure (HF) with preserved ejection fraction (HFpEF) is a heterogeneous syndrome. Phenotyping patients into pathophysiologically homogeneous groups may enable better targeting of treatment. Obesity is common in HFpEF and has many cardiovascular effects, suggesting that it may be a viable candidate for...

journal_title：Circulation

authors： Obokata M,Reddy YNV,Pislaru SV,Melenovsky V,Borlaug BA

更新日期：2017-07-04 00:00:00

abstract：BACKGROUND:Age-adjusted stroke incidence has decreased over the past 50 years, likely as a result of changes in the prevalence and impact of various stroke risk factors. An updated version of the Framingham Stroke Risk Profile (FSRP) might better predict current risks in the FHS (Framingham Heart Study) and other cohor...

journal_title：Circulation

authors： Dufouil C,Beiser A,McLure LA,Wolf PA,Tzourio C,Howard VJ,Westwood AJ,Himali JJ,Sullivan L,Aparicio HJ,Kelly-Hayes M,Ritchie K,Kase CS,Pikula A,Romero JR,D'Agostino RB,Samieri C,Vasan RS,Chêne G,Howard G,Seshadri S

更新日期：2017-03-21 00:00:00

abstract：:The effects of verapamil (0.02-0.2 mg/kg) on contractility in normal and partially ischemic myocardium were compared with the changes following propranolol (0.01-1.0 mg/kg). Regional contractile function was studied in open-chest dogs with ultrasonic crystals and ischemia was controlled by graded occlusion of a caroti...

journal_title：Circulation

authors： Smith HJ,Goldstein RA,Griffith JM,Kent KM,Epstein SE

更新日期：1976-10-01 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：: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:Ezetimibe, when added to simvastatin, reduces cardiovascular events after acute coronary syndrome. We explored outcomes stratified by diabetes mellitus (DM). METHODS:In IMPROVE-IT (Improved Reduction of Outcomes: Vytorin Efficacy International Trial), 18 144 patients after acute coronary syndrome with low-d...

journal_title：Circulation

authors： Giugliano RP,Cannon CP,Blazing MA,Nicolau JC,Corbalán R,Špinar J,Park JG,White JA,Bohula EA,Braunwald E,IMPROVE-IT (Improved Reduction of Outcomes: Vytorin Efficacy International Trial) Investigators.

更新日期：2018-04-10 00:00:00

abstract：BACKGROUND:A role for myeloperoxidase (MPO) as a mediator of coronary artery disease and acute coronary syndromes has recently received considerable attention. Although active MPO and hypochlorite-modified proteins and peptides have been detected in human atherosclerotic lesions, detection of novel chlorinated oxidized...

journal_title：Circulation

authors： Thukkani AK,McHowat J,Hsu FF,Brennan ML,Hazen SL,Ford DA

更新日期：2003-12-23 00:00:00

abstract：:The anatomy of 58 specimens of aortic outflow tract atresia was studied. All cases had situs solitus and levocardia, 37 had atrioventricular (AV) concordance, two had common inlet to a right ventricle and 19 had mitral atresia. The great arteries were normally interrelated in all cases. Fifty-one cases had an intact v...

journal_title：Circulation

authors： Thiene G,Gallucci V,Macartney FJ,Del Torso S,Pellegrino PA,Anderson RH

更新日期：1979-01-01 00:00:00