Diastolic vibration of the interventricular septum in aortic insufficiency.

abstract：BACKGROUND:The genetic basis of left ventricular (LV) image-derived phenotypes, which play a vital role in the diagnosis, management, and risk stratification of cardiovascular diseases, is unclear at present. METHODS:The LV parameters were measured from the cardiovascular magnetic resonance studies of the UK Biobank. ...

journal_title：Circulation

authors： Aung N,Vargas JD,Yang C,Cabrera CP,Warren HR,Fung K,Tzanis E,Barnes MR,Rotter JI,Taylor KD,Manichaikul AW,Lima JAC,Bluemke DA,Piechnik SK,Neubauer S,Munroe PB,Petersen SE

更新日期：2019-10-15 00:00:00

abstract：BACKGROUND:The Doppler Substudy of the randomized, double-blind, placebo-controlled Reinfusion of Enriched Progenitor Cells and Infarct Remodeling in Acute Myocardial Infarction (REPAIR-AMI) trial aimed to investigate the effects of intracoronary infusion of bone marrow-derived progenitor cells (BMCs) on coronary blood...

journal_title：Circulation

authors： Erbs S,Linke A,Schächinger V,Assmus B,Thiele H,Diederich KW,Hoffmann C,Dimmeler S,Tonn T,Hambrecht R,Zeiher AM,Schuler G

更新日期：2007-07-24 00:00:00

abstract：BACKGROUND:Coconut oil is high in saturated fat and may, therefore, raise serum cholesterol concentrations, but beneficial effects on other cardiovascular risk factors have also been suggested. Therefore, we conducted a systematic review of the effect of coconut oil consumption on blood lipids and other cardiovascular ...

journal_title：Circulation

authors： Neelakantan N,Seah JYH,van Dam RM

更新日期：2020-03-10 00:00:00

abstract：:Exercise trials in cardiology are often hindered by inconsistent approaches to exercise testing. These inconsistencies include the choice of exercise protocol, exercise end points, points of analysis, and absence or misuse of gas exchange data. Gas exchange techniques greatly enhance the accuracy with which cardiopulm...

journal_title：Circulation

authors： Myers J,Froelicher VF

更新日期：1990-11-01 00:00:00

abstract：BACKGROUND:There is no treatment proven to limit the growth of abdominal aortic aneurysms, in which the histological hallmarks include inflammation and medial atrophy, with apoptosis of smooth muscle cells and destruction of elastin. METHODS AND RESULTS:Aneurysm biopsies were used for explant cultures, the preparation...

journal_title：Circulation

authors： Walton LJ,Franklin IJ,Bayston T,Brown LC,Greenhalgh RM,Taylor GW,Powell JT

更新日期：1999-07-06 00:00:00

abstract：BACKGROUND:Up to 30% of patients with end-stage heart failure experience biventricular failure that requires biventricular mechanical support. For these patients, only bulky extracorporeal or implantable displacement pumps or the total artificial heart have been available to date, which enables only limited quality of ...

journal_title：Circulation

authors： Krabatsch T,Potapov E,Stepanenko A,Schweiger M,Kukucka M,Huebler M,Hennig E,Hetzer R

更新日期：2011-09-13 00:00:00

abstract：:The acute hemodynamic effects of dobutamine and nitroprusside were compared in 19 patients with low output cardiac failure. At dosage levels yielding similar increases in cardiac index (12 patients), nitroprusside resulted in significantly lower arterial systolic and wedge pressures and did not increase heart rate sug...

journal_title：Circulation

authors： Berkowitz C,McKeever L,Croke RP,Jacobs WR,Loeb HS,Gunnar RM

更新日期：1977-12-01 00:00:00

abstract：BACKGROUND:Tumor necrosis factor alpha (TNF-alpha) increases in patients with severe congestive heart failure (CHF) and cachexia. Two naturally occurring modulators of TNF-alpha activity have been identified in human serum. These two soluble proteins are the extracellular domains of the TNF receptors (sTNF-RI and sTNF-...

journal_title：Circulation

authors： Ferrari R,Bachetti T,Confortini R,Opasich C,Febo O,Corti A,Cassani G,Visioli O

更新日期：1995-09-15 00:00:00

abstract：BACKGROUND:Nontranscriptional signaling through estrogen receptors (ERs) is important in the cardiovascular system. In particular, estrogen stimulates endothelial NO synthase (eNOS) via the phosphatidylinositol 3-kinase (PI3K) pathway. The selective estrogen receptor modulator (SERM) raloxifene is effective for the tre...

journal_title：Circulation

authors： Simoncini T,Genazzani AR,Liao JK

更新日期：2002-03-19 00:00:00

abstract：:High-density lipoprotein (HDL) cholesterol distributions were compared among 191 black and 1341 white males and 233 black and 1088 white females, ages 5-44 years, examined in five of the Lipid Research Clinic (LRC) population-based surveys. Mean HDL cholesterol was higher in blacks than whites in each 5-year age group...

journal_title：Circulation

authors： Tyroler HA,Glueck CJ,Christensen B,Kwiterovich PO Jr

更新日期：1980-11-01 00:00:00

abstract：:Medical treatment of heart disease has improved significantly in the past 30 years. The spectacular change in the natural history of rheumatic heart disease is apparent from a 1948 article that reported that 42% of children with rheumatic heart disease died of rheumatic infection or bacterial endocarditis. Antibiotics...

journal_title：Circulation

authors： Ross RS

更新日期：1979-12-01 00:00:00

abstract：BACKGROUND:Recent experimental data indicate that ultrasound-induced destruction of ultrasound contrast microbubbles can cause immediate rupture of the microvessels in which these microbubbles are located. METHODS AND RESULTS:To examine the functional and morphological significance of these findings in the heart, isol...

journal_title：Circulation

authors： Ay T,Havaux X,Van Camp G,Campanelli B,Gisellu G,Pasquet A,Denef JF,Melin JA,Vanoverschelde JL

更新日期：2001-07-24 00:00:00

abstract：BACKGROUND:Although patients with heart failure express elevated circulating levels of tumor necrosis factor-alpha (TNF-alpha) in their peripheral circulation, the structural and functional effects of circulating levels of pathophysiologically relevant concentrations of TNF-alpha on the heart are not known. METHODS AN...

journal_title：Circulation

authors： Bozkurt B,Kribbs SB,Clubb FJ Jr,Michael LH,Didenko VV,Hornsby PJ,Seta Y,Oral H,Spinale FG,Mann DL

更新日期：1998-04-14 00:00:00

abstract：:Reperfusion of the globally ischemic myocardium with mannitol has been shown to preserve myocardial function. However, it remains unclear whether the mechanism of mannitol protection relates to its hyperosmolar or free radical scavenging properties. Three groups of isolated, perfused rabbit hearts underwent 45 min of ...

journal_title：Circulation

authors： Ouriel K,Ginsburg ME,Patti CS,Pearce FJ,Hicks GL

更新日期：1985-09-01 00:00:00

abstract：BACKGROUND:Simvastatin attenuates ischemia and reperfusion in normocholesterolemic animals by stabilizing endothelial nitric oxide synthase activity and inhibiting neutrophil-mediated injury. Because endothelial dysfunction is a detrimental effect of hypercholesterolemia, we examined whether short-term treatment with s...

journal_title：Circulation

authors： Scalia R,Gooszen ME,Jones SP,Hoffmeyer M,Rimmer DM 3rd,Trocha SD,Huang PL,Smith MB,Lefer AM,Lefer DJ

更新日期：2001-05-29 00:00:00

abstract：BACKGROUND:The mechanisms by which replacement hormones may reduce the risk of coronary heart disease are not fully understood. Of specific interest is a potential effect of replacement hormones on plasma fibrinolytic activity, a putative determinant of thrombotic events. METHODS AND RESULTS:We investigated the relati...

journal_title：Circulation

authors： Shahar E,Folsom AR,Salomaa VV,Stinson VL,McGovern PG,Shimakawa T,Chambless LE,Wu KK

更新日期：1996-06-01 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：BACKGROUND:Bolus thrombolytic therapy is a simplified means of administering thrombolysis that facilitates rapid time to treatment. TNK-tissue plasminogen activator (TNK-tPA) is a highly fibrin-specific single-bolus thrombolytic agent. METHODS AND RESULTS:In TIMI 10B, 886 patients with acute ST-elevation myocardial in...

journal_title：Circulation

authors： Cannon CP,Gibson CM,McCabe CH,Adgey AA,Schweiger MJ,Sequeira RF,Grollier G,Giugliano RP,Frey M,Mueller HS,Steingart RM,Weaver WD,Van de Werf F,Braunwald E

更新日期：1998-12-22 00:00:00

abstract：:The prognostic significance of a preoperative echocardiographic left ventricular end-systolic dimension (ESD) greater than 55 mm and/or fractional shortening (FS) of 25% or less was evaluated retrospectively in 84 patients who had undergone aortic valve replacement for isolated chronic aortic regurgitation due to vari...

journal_title：Circulation

authors： Daniel WG,Hood WP Jr,Siart A,Hausmann D,Nellessen U,Oelert H,Lichtlen PR

更新日期：1985-04-01 00:00:00

abstract：BACKGROUND:We recently demonstrated that phospholipase C (PLC)-delta1 activity in cultured skin fibroblasts obtained from patients with coronary spastic angina (CSA) is enhanced. We tested the hypothesis that structural abnormality in PLC-delta1 isoform is a cause of the enhanced activity. METHODS AND RESULTS:Sequence...

journal_title：Circulation

authors： Nakano T,Osanai T,Tomita H,Sekimata M,Homma Y,Okumura K

更新日期：2002-04-30 00:00:00

abstract：BACKGROUND:A synergistic interaction between the angiotensin II (Ang II) type 1 receptor and alpha1-adrenergic receptors has been described. We hypothesized that the nonselective beta-antagonist carvedilol, through its alpha1-adrenergic blocking properties, may modulate vascular reactivity to Ang II in patients with ch...

journal_title：Circulation

authors： Vittorio TJ,Lang CC,Katz SD,Packer M,Mancini DM,Jorde UP

更新日期：2003-01-21 00:00:00

abstract：:A longitudinal study was made of 62 patients with dextro-transposition of the great arteries. The patients were managed with balloon atrial septostomy (BAS), palliative surgery if any operation was needed in the first year of life, and Mustard intra-atrial baffle repair after one year of age. Of the 47 patients with i...

journal_title：Circulation

authors： Gutgesell HP,McNamara DG

更新日期：1975-01-01 00:00:00

abstract：BACKGROUND:Proliferation of smooth muscle cells (SMCs) plays an important role in vascular pathobiology, being involved in the development of coronary restenosis and atherosclerosis. The activation of nuclear proto-oncogenes appears to be a final common pathway onto which various mitogenic signals coverage. Accordingly...

journal_title：Circulation

authors： Shi Y,Hutchinson HG,Hall DJ,Zalewski A

更新日期：1993-09-01 00:00:00

abstract：BACKGROUND:The countercurrent arrangement of capillary blood flow in the medulla of mammalian kidneys generates a gradient of oxygen tension between the renal cortex and the papillary tip that results in a state of relative hypoxia within the renal medulla. Exploration of the pathophysiological implications of medullar...

journal_title：Circulation

authors： Prasad PV,Edelman RR,Epstein FH

更新日期：1996-12-15 00:00:00

abstract：BACKGROUND:Although the use of physical signs for the diagnosis of ventricular tachycardia (VT) was described in the early 1900s, their value in this role has never been systematically assessed. METHODS AND RESULTS:Using a blinded, randomized protocol, we examined the ability of 26 clinicians to detect ventriculoatria...

journal_title：Circulation

authors： Garratt CJ,Griffith MJ,Young G,Curzen N,Brecker S,Rickards AF,Camm AJ

更新日期：1994-12-01 00:00:00

abstract：:Twenty-two patients who underwent anatomic correction of transposition of the great arteries at the arterial level at the age of 8 weeks to 14 years were reinvestigated 1-4.6 years (mean 2.0 years) after operation. A Dacron tube was used to bridge the gap between the proximal pulmonary route and the distal pulmonary a...

journal_title：Circulation

authors： Yacoub MH,Bernhard A,Radley-Smith R,Lange P,Sievers H,Heintzen P

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:The goal of this study was to examine a possible association between systemic microinflammation, as reflected by C-reactive protein (CRP) serum levels, and coronary vasomotion in patients with coronary risk factors but with angiographically normal coronary arteries. METHODS AND RESULTS:Coronary vasomotor fu...

journal_title：Circulation

authors： Schindler TH,Nitzsche EU,Olschewski M,Magosaki N,Mix M,Prior JO,Facta AD,Solzbach U,Just H,Schelbert HR

更新日期：2004-08-31 00:00:00

abstract：BACKGROUND:The mechanism of delayed preconditioning induced by activation of adenosine A(1) receptors (A(1)ARs) is not fully understood. We determined the role of inducible nitric oxide synthase (iNOS) in mediating adenosine-induced late cardioprotection using pharmacological inhibitors and iNOS gene-knockout mice. ME...

journal_title：Circulation

authors： Zhao T,Xi L,Chelliah J,Levasseur JE,Kukreja RC

更新日期：2000-08-22 00:00:00

abstract：:The major problem associated with percutaneous transluminal coronary angioplasty is recurrence of the stenotic lesion. Balloon catheter-mounted intracoronary stent devices may reduce restenosis by improving luminal morphology and flow characteristics. This study assessed the effects of a stainless steel wire, interdig...

journal_title：Circulation

authors： Robinson KA,Roubin GS,Siegel RJ,Black AJ,Apkarian RP,King SB 3rd

更新日期：1988-09-01 00:00:00

abstract：BACKGROUND:It has been documented that the HMG coenzyme A reductase inhibitors, or statins, can decrease cardiovascular events and mortality in patients with clinical coronary disease and moderately to severely elevated lipid levels. Additional data are required to demonstrate a reduction of vascular events in coronary...

journal_title：Circulation

authors： Byington RP,Jukema JW,Salonen JT,Pitt B,Bruschke AV,Hoen H,Furberg CD,Mancini GB

更新日期：1995-11-01 00:00:00