Accumulation of ultrasmall superparamagnetic particles of iron oxide in human atherosclerotic plaques can be detected by in vivo magnetic resonance imaging.

abstract：BACKGROUND:Mitral leaflet extension (MLE) combined with septal myectomy is a new surgical approach to treat hypertrophic obstructive cardiomyopathy (HOCM) and an enlarged mitral leaflet area. The study presents the long-term clinical results and outcome of this technique. METHODS AND RESULTS:MLE entails grafting a glu...

journal_title：Circulation

authors： van der Lee C,Kofflard MJ,van Herwerden LA,Vletter WB,ten Cate FJ

更新日期：2003-10-28 00:00:00

abstract：BACKGROUND:The conjoint trait hypothesis proposes that combined low HDL cholesterol (HDL-C) and high triglyceride (TG) levels represent a single, inherited phenotype that adiposity may influence in an unspecified manner. We conducted formal statistical genetic tests of the conjoint trait hypothesis and the relation of ...

journal_title：Circulation

authors： Mahaney MC,Blangero J,Comuzzie AG,VandeBerg JL,Stern MP,MacCluer JW

更新日期：1995-12-01 00:00:00

abstract：BACKGROUND:Radiofrequency ablation of type 1 atrial flutter (AF1) has recently evolved toward an anatomically guided procedure directed to isthmuses at the lower part of the right atrium (RA). However, different types of block at these isthmuses may be observed and potentially correlated with different late outcomes. I...

journal_title：Circulation

authors： Poty H,Saoudi N,Nair M,Anselme F,Letac B

更新日期：1996-12-15 00:00:00

abstract：BACKGROUND:Obstruction to left ventricular outflow can be seen after surgical repair of congenital heart disease in which a ventricular septal defect (VSD) is closed by means of a baffle to the systemic great artery arising from the right ventricle (Rastelli operation, intraventricular repair, for conotruncal anomaly)....

journal_title：Circulation

authors： Rychik J,Jacobs ML,Norwood WI

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:Interleukin-8 (IL-8) secreted from endothelial cells is a powerful neutrophil chemoattractant and activator. We hypothesized that human endothelial cells deprived of oxygen would secrete IL-8, which might translate into elevated IL-8 production after cardiac ischemia. Furthermore, we hypothesized that corona...

journal_title：Circulation

authors： Oz MC,Liao H,Naka Y,Seldomridge A,Becker DN,Michler RE,Smith CR,Rose EA,Stern DM,Pinsky DJ

更新日期：1995-11-01 00:00:00

abstract：:To assess the effects of moderate potassium cardioplegia (37 mEq/l KCl) on the severity of myocardial ischemia during arrest and on post arrest ventricular function, 32 isolated, isovolumic feline hearts were studied before, during and 1 hour after ischemic arrest. Normothermia (37 degrees C) was maintained in the rem...

journal_title：Circulation

authors： Schaff HV,Dombroff R,Flaherty JT,Bulkley BH,Hutchins GM,Goldman RA,Gott VL

更新日期：1978-08-01 00:00:00

abstract：BACKGROUND:AL amyloidosis with heart failure is associated with decreased longitudinal myocardial contraction measured by pulsed tissue Doppler imaging. We sought to clarify whether new modalities of myocardial strain Doppler (change in length per unit length) or strain rate (the temporal derivative of strain) were mor...

journal_title：Circulation

authors： Koyama J,Ray-Sequin PA,Falk RH

更新日期：2003-05-20 00:00:00

abstract：BACKGROUND:Recent advances in surgical techniques for the repair of left ventricular aneurysms (LVAs) include the use of an endoventricular patch to exclude the aneurysm cavity. This technique has replaced conventional linear plication of the aneurysm. The endoventricular patch technique remodels the left ventricular c...

journal_title：Circulation

authors： Grossi EA,Chinitz LA,Galloway AC,Delianides J,Schwartz DS,McLoughlin DE,Keller N,Kronzon I,Spencer FC,Colvin SB

更新日期：1995-11-01 00:00:00

abstract：BACKGROUND:Exertional fatigue, which frequently limits exercise in patients with chronic heart failure, is associated with early anaerobic metabolism in skeletal muscle. The present study was designed to examine the skeletal muscle metabolic response to exercise in this disorder and determine the relation of reduced mu...

journal_title：Circulation

authors： Sullivan MJ,Green HJ,Cobb FR

更新日期：1991-10-01 00:00:00

abstract：BACKGROUND:Inducible nitric oxide synthase (iNOS, or NOS2) reduces the severity of accelerated graft arteriosclerosis (AGA) in transplanted organs, although the precise mechanism is unclear. METHODS AND RESULTS:We transplanted wild-type murine hearts into either wild-type or NOS2-null recipient mice; we then measured ...

journal_title：Circulation

authors： Qian Z,Gelzer-Bell R,Yang Sx SX,Cao W,Ohnishi T,Wasowska BA,Hruban RH,Rodriguez ER,Baldwin WM 3rd,Lowenstein CJ

更新日期：2001-11-06 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：BACKGROUND:Pregnant women with congenital heart disease (CHD) are susceptible to cardiovascular, obstetric, and offspring complications. In women with CHD, cardiac dysfunction may compromise uteroplacental flow and contribute to the increased incidence of obstetric and offspring events. METHODS AND RESULTS:We performe...

journal_title：Circulation

authors： Pieper PG,Balci A,Aarnoudse JG,Kampman MA,Sollie KM,Groen H,Mulder BJ,Oudijk MA,Roos-Hesselink JW,Cornette J,van Dijk AP,Spaanderman ME,Drenthen W,van Veldhuisen DJ,ZAHARA II investigators.

更新日期：2013-12-03 00:00:00

abstract：BACKGROUND:The implantable left ventricular assist device (LVAD) was designed to provide circulatory support as an alternative to heart transplantation or to continued medical therapy of end-stage heart failure. Initial experience with the implantable LVAD used as a bridge to heart transplantation provides a clinical o...

journal_title：Circulation

authors： McCarthy PM,James KB,Savage RM,Vargo R,Kendall K,Harasaki H,Hobbs RE,Pashkow FJ

更新日期：1994-11-01 00:00:00

abstract：BACKGROUND:We surveyed the national experience of coronary artery bypass grafting (CABG) for coronary sequelae of Kawasaki disease (kDa) in 2002. METHODS AND RESULTS:A questionnaire was returned from 323/552 (59%) institutions. Two hundred forty-four patients (188 male 56 female) since 1975 were identified. The mean n...

journal_title：Circulation

authors： Tsuda E,Kitamura S,Cooperative Study Group of Japan.

更新日期：2004-09-14 00:00:00

abstract：:Variations in the frequency of ventricular premature depolarizations (VPDs) were evaluated with three consecutive 24-hour long-term electrocardiography monitor recordings from 15 clinically stable patients with various cardiac disorders. Mean hourly VPD frequencies ranged from 37--1,801 per hour. Data were subjected t...

journal_title：Circulation

authors： Morganroth J,Michelson EL,Horowitz LN,Josephson ME,Pearlman AS,Dunkman WB

更新日期：1978-09-01 00:00:00

abstract：BACKGROUND:The results of angiographic studies have suggested that calcium channel-blocking agents may prevent new coronary lesion formation, the progression of minimal lesions, or both. METHODS AND RESULTS:The Prospective Randomized Evaluation of the Vascular Effects of Norvasc Trial (PREVENT) was a multicenter, rand...

journal_title：Circulation

authors： Pitt B,Byington RP,Furberg CD,Hunninghake DB,Mancini GB,Miller ME,Riley W

更新日期：2000-09-26 00:00:00

abstract：:These types of studies lay the foundation for understanding the human apolipoproteins at the genetic level. In addition, through a few specific examples, we have already shown evidence at the DNA level that lesions in apolipoprotein genes can play a role in human atherosclerosis. This work is in its infancy, but we ho...

journal_title：Circulation

authors： Breslow JL

更新日期：1984-06-01 00:00:00

abstract：:Congestive heart failure is often preceded by a latent or preclinical phase in which patients are relatively asymptomatic. During this period, there is neuroendocrine activation, left ventricular dysfunction, and remodeling of the heart. The extent to which these activities are interrelated is unclear, but it appears ...

journal_title：Circulation

authors： Francis GS,McDonald KM,Cohn JN

更新日期：1993-05-01 00:00:00

abstract：BACKGROUND:The electrocardiographic short QT-interval syndrome forms a distinct clinical entity presenting with a high rate of sudden death and exceptionally short QT intervals. The disorder has recently been linked to gain-of-function mutation in KCNH2. The present study demonstrates that this disorder is genetically ...

journal_title：Circulation

authors： Bellocq C,van Ginneken AC,Bezzina CR,Alders M,Escande D,Mannens MM,Baró I,Wilde AA

更新日期：2004-05-25 00:00:00

abstract：:The relation between left atrial size and atrial fibrillation was examined in 37 patients who had left ventriculomyotomy and myectomy at the National Heart and Lung Institute. Atrial fibrillation was present in 11 of 27 (41%) patients with an echocardiographically measured left atrial dimension greater than 45 mm. No ...

journal_title：Circulation

authors： Watson DC,Henry WL,Epstein SE,Morrow AG

更新日期：1977-01-01 00:00:00

abstract：BACKGROUND:Exercise stimulates the vascular response in pathological conditions, including ischemia; however, the molecular mechanisms by which exercise improves the impaired hypoxia-induced factor (HIF)-1 alpha-mediated response to hypoxia associated with aging are poorly understood. Here, we report that swimming trai...

journal_title：Circulation

authors： Cheng XW,Kuzuya M,Kim W,Song H,Hu L,Inoue A,Nakamura K,Di Q,Sasaki T,Tsuzuki M,Shi GP,Okumura K,Murohara T

更新日期：2010-08-17 00:00:00

abstract：BACKGROUND:Data on outcomes after Stanford type A aortic dissection in patients with Marfan syndrome are limited. We investigated the primary surgery and long-term results in patients with Marfan syndrome who suffered aortic dissection. METHODS AND RESULTS:Among 1324 consecutive patients with aortic dissection type A,...

journal_title：Circulation

authors： Rylski B,Bavaria JE,Beyersdorf F,Branchetti E,Desai ND,Milewski RK,Szeto WY,Vallabhajosyula P,Siepe M,Kari FA

更新日期：2014-04-01 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:Continuous-flow rotary pumps with axial design are increasingly used for left ventricular assist support. The efficacy of this design compared with pulsatile, volume displacement pumps, with respect to characteristics of left ventricular unloading, and exercise performance remains largely unstudied. METHODS...

journal_title：Circulation

authors： Haft J,Armstrong W,Dyke DB,Aaronson KD,Koelling TM,Farrar DJ,Pagani FD

更新日期：2007-09-11 00:00:00

abstract：:Systemic, renal and splanchnic hemodynamics, intravascular volume, circulating catecholamine levels and plasma renin activity were compared in 39 patients with borderline hypertension and 28 normotensive subjects, who were less than 5% (n = 42, lean patients) or more than 40% overweight (n = 25, obese patients). Lean ...

journal_title：Circulation

authors： Messerli FH,Ventura HO,Reisin E,Dreslinski GR,Dunn FG,MacPhee AA,Frohlich ED

更新日期：1982-07-01 00:00:00

abstract：:Favorable changes in lipoproteins, inhibition of platelet aggregation, reduction of serum thromboxane (TX), altered plasma-membrane fluidity, and reduced production of growth factors (mitogens) have all been implicated as possibly being involved in the inhibition of arteriosclerosis by fish oil (FO), which is rich in ...

journal_title：Circulation

authors： Sarris GE,Fann JI,Sokoloff MH,Smith DL,Loveday M,Kosek JC,Stephens RJ,Cooper AD,May K,Willis AL

更新日期：1989-09-01 00:00:00

abstract：BACKGROUND:Hypertrophic cardiomyopathy (HCM) is diagnosed clinically by the presence of left ventricular hypertrophy (LVH). However, LVH is absent in a significant number of genotype-positive patients. Because myocyte dysfunction and disarray are the primary abnormalities in HCM, we reasoned that tissue Doppler imaging...

journal_title：Circulation

authors： Nagueh SF,Kopelen HA,Lim DS,Zoghbi WA,Quiñones MA,Roberts R,Marian AJ

更新日期：2000-09-19 00:00:00

abstract：BACKGROUND:The suggestion that increased QT dispersion (QTD) is due to increased differences in local action potential durations within the myocardium is wanting. An alternative explanation was sought by relating QTD to vectorcardiographic T-loop morphology. METHODS AND RESULTS:The T loop is characterized by its ampli...

journal_title：Circulation

authors： Kors JA,van Herpen G,van Bemmel JH

更新日期：1999-03-23 00:00:00

abstract：:Venous thromboembolism (VTE) is a major preventable disease that affects hospitalized inpatients. Risk stratification and prophylactic measures have good evidence supporting their use, but multiple reasons exist that prevent full adoption, compliance, and efficacy that may underlie the persistence of VTE over the past...

journal_title：Circulation

authors： Henke PK,Kahn SR,Pannucci CJ,Secemksy EA,Evans NS,Khorana AA,Creager MA,Pradhan AD,American Heart Association Advocacy Coordinating Committee.

更新日期：2020-06-16 00:00:00

abstract：:To estimate the effect of distance between the electrode and the signal source on the amplitude of the His bundle electrogram (HBE) recorded during open heart surgery, a specially designed probe, containing six pairs of closely spaced (1 mm) electrodes was placed on the endocardial surface of the right atrium such tha...

journal_title：Circulation

authors： Dick M 2nd,Krongrad E,Antar RE,Ross S,Bowman FO Jr,Malm JR,Hoffman BF

更新日期：1976-02-01 00:00:00