Long-term results (≤18 years) of the edge-to-edge mitral valve repair without annuloplasty in degenerative mitral regurgitation: implications for the percutaneous approach.

abstract：:This study was undertaken to assess the ability of proton magnetic resonance imaging (MRI) to detect myocardial ischemia shortly after coronary artery occlusion. Fifteen dogs were studied before and serially for up to 6 hr after anterior descending or circumflex coronary artery ligation in vivo by gated MRI with a 0.1...

journal_title：Circulation

authors： Pflugfelder PW,Wisenberg G,Prato FS,Carroll SE,Turner KL

更新日期：1985-03-01 00:00:00

abstract：:The initial myocardial uptake of thallium-201 depends on myocardial blood flow distribution. The phenomenon of delayed thallium redistribution after transiently or chronically altered myocardial perfusion has been described. The net myocardial accumulation of thallium-201 after injection depends upon the net balance b...

journal_title：Circulation

authors： Grunwald AM,Watson DD,Holzgrefe HH Jr,Irving JF,Beller GA

更新日期：1981-09-01 00:00:00

abstract：BACKGROUND:Long-term survival after acute kidney injury (AKI) is poorly studied. We report the relationship between long-term mortality and AKI with small changes in serum creatinine during hospitalization after various cardiothoracic surgery procedures. METHODS AND RESULTS:This was a retrospective study of 2973 patie...

journal_title：Circulation

authors： Hobson CE,Yavas S,Segal MS,Schold JD,Tribble CG,Layon AJ,Bihorac A

更新日期：2009-05-12 00:00:00

abstract：BACKGROUND:The purpose of this study was to assess the long-term value of dobutamine-atropine stress echocardiography (DSE) for prediction of late cardiac events in patients with proven or suspected coronary artery disease. METHODS AND RESULTS:Clinical data and DSE results were analyzed in 1734 consecutive patients un...

journal_title：Circulation

authors： Poldermans D,Fioretti PM,Boersma E,Bax JJ,Thomson IR,Roelandt JR,Simoons ML

更新日期：1999-02-16 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：BACKGROUND:Angiogenesis is a promising treatment strategy for patients who are not candidates for standard revascularization, because it promotes the growth of new blood vessels in ischemic myocardium. METHODS AND RESULTS:We conducted a randomized, double-blind, placebo-controlled study of basic fibroblast growth fact...

journal_title：Circulation

authors： Laham RJ,Sellke FW,Edelman ER,Pearlman JD,Ware JA,Brown DL,Gold JP,Simons M

更新日期：1999-11-02 00:00:00

abstract：:All physicians increasingly will encounter patients who have implanted cardioverter-defibrillators (ICDs) for protection from ventricular arrhythmias. This advisory provides a concise summary relevant to the assessment and management of patients with ICDs, including those who present to primary care or emergency depar...

journal_title：Circulation

authors： Stevenson WG,Chaitman BR,Ellenbogen KA,Epstein AE,Gross WL,Hayes DL,Strickberger SA,Sweeney MO,Subcommittee on Electrocardiography and Arrhythmias of the American Heart Association Council on Clinical Cardiology.,Heart Rhythm Society.

更新日期：2004-12-21 00:00:00

abstract：:One hundred eighteen consecutive patients undergoing valve replacement for aortic stenosis were analyzed to determine the incidence of and predisposing factors to postoperative atrial tachyarrhythmias. Univariate and multivariate analyses were performed on 70 clinical, hemodynamic, radiographic, electrocardiographic, ...

journal_title：Circulation

authors： Douglas PS,Hirshfeld JW Jr,Edmunds LH Jr

更新日期：1985-09-01 00:00:00

abstract：BACKGROUND:Oxidized low-density lipoprotein plays a key role in the initiation, progression, and destabilization of atherosclerotic plaques and is present in macrophages and the lipid pool. The aim of this study was to assess the feasibility of magnetic resonance imaging of atherosclerotic lesions in mice using micelle...

journal_title：Circulation

authors： Briley-Saebo KC,Shaw PX,Mulder WJ,Choi SH,Vucic E,Aguinaldo JG,Witztum JL,Fuster V,Tsimikas S,Fayad ZA

更新日期：2008-06-24 00:00:00

abstract：BACKGROUND:C-kit is a receptor tyrosine kinase family member expressed in hematopoietic stem cells. C-kit is also transiently expressed in cardiomyocyte precursors during development and in a rare cell population in the normal adult heart. In the present study, the cardiomyogenic potential of c-kit(+) cells isolated fr...

journal_title：Circulation

authors： Zaruba MM,Soonpaa M,Reuter S,Field LJ

更新日期：2010-05-11 00:00:00

abstract：BACKGROUND:We developed a computer model to predict lysis rates of thrombi for intravenous thrombolytic regimens based on the convective/diffusive penetration of reacting and adsorbing fibrinolytic species from the circulation into the proximal face of a dissolving clot. METHODS AND RESULTS:Solution of a one-compartme...

journal_title：Circulation

authors： Anand S,Diamond SL

更新日期：1996-08-15 00:00:00

abstract：BACKGROUND:The outcome of patients with corrected transposition of the great arteries (CTGA) is variably affected by associated intracardiac defects, tricuspid valve competence, and systemic right ventricular (RV) function. The relative importance of these factors in long-term outcome has not been evaluated. METHODS A...

journal_title：Circulation

authors： Prieto LR,Hordof AJ,Secic M,Rosenbaum MS,Gersony WM

更新日期：1998-09-08 00:00:00

abstract：BACKGROUND:Combining 2 signals of cardiomyocyte injury, cardiac troponin I (cTnI) and T (cTnT), might overcome some individual pathophysiological and analytical limitations and thereby increase diagnostic accuracy for acute myocardial infarction with a single blood draw. We aimed to evaluate the diagnostic performance ...

journal_title：Circulation

authors： van der Linden N,Wildi K,Twerenbold R,Pickering JW,Than M,Cullen L,Greenslade J,Parsonage W,Nestelberger T,Boeddinghaus J,Badertscher P,Rubini Giménez M,Klinkenberg LJJ,Bekers O,Schöni A,Keller DI,Sabti Z,Puelacher C,

更新日期：2018-09-04 00:00:00

abstract：BACKGROUND:Despite recommendations in the guidelines and consensus documents, there has been no randomized controlled trial evaluating oral anticoagulation (OAC) alone without antiplatelet therapy (APT) in patients with atrial fibrillation and stable coronary artery disease beyond 1 year after coronary stenting. METHO...

journal_title：Circulation

authors： Matsumura-Nakano Y,Shizuta S,Komasa A,Morimoto T,Masuda H,Shiomi H,Goto K,Nakai K,Ogawa H,Kobori A,Kono Y,Kaitani K,Suwa S,Aoyama T,Takahashi M,Sasaki Y,Onishi Y,Mano T,Matsuda M,Motooka M,Tomita H,Inoko M,Wak

更新日期：2019-01-29 00:00:00

abstract：BACKGROUND:We have reported that there is a limitation of exercise capacity in mice with defects in the expression of endothelial nitric oxide (NO) synthase, which is associated with a greater increase in whole-body oxygen consumption (VO2). We hypothesized that in states in which superoxide anion (O2-) is increased, e...

journal_title：Circulation

authors： Kinugawa S,Wang Z,Kaminski PM,Wolin MS,Edwards JG,Kaley G,Hintze TH

更新日期：2005-03-29 00:00:00

abstract：:Acute occlusion of the circumflex branch of the left coronary artery was produced in chronically instrumented conscious dogs. Tracer microspheres were used to measure during an established time period, the distribution of collateral flow within the infarcting myocardium. For up to 2 hours after coronary occlusion the ...

journal_title：Circulation

authors： Schaper W,Pasyk S

更新日期：1976-03-01 00:00:00

abstract：BACKGROUND:Inhibition of dopamine beta-hydroxylase (DBH) results in a decrease in norepinephrine synthesis. The present study was a randomized, blinded, placebo-controlled investigation of the long-term effects of therapy with the DBH inhibitor nepicastat (NCT) on the progression of left ventricular (LV) dysfunction an...

journal_title：Circulation

authors： Sabbah HN,Stanley WC,Sharov VG,Mishima T,Tanimura M,Benedict CR,Hegde S,Goldstein S

更新日期：2000-10-17 00:00:00

abstract：:Dual antiplatelet therapy with aspirin and a thienopyridine has been shown to reduce cardiac events after coronary stenting. However, many patients and healthcare providers prematurely discontinue dual antiplatelet therapy, which greatly increases the risk of stent thrombosis, myocardial infarction, and death. This ad...

journal_title：Circulation

authors： Grines CL,Bonow RO,Casey DE Jr,Gardner TJ,Lockhart PB,Moliterno DJ,O'Gara P,Whitlow P,American Heart Association.,American College of Cardiology.,Society for Cardiovascular Angiography and Interventions.,American College of Surgeon

更新日期：2007-02-13 00:00:00

abstract：BACKGROUND:Interferons (IFNs) play an important role in antiviral defense and have therapeutic potential in coxsackievirus heart disease. However, little is known about the relative contributions of type I and type II IFN signaling in coxsackievirus B3 (CVB3) infection or their role in the cardioselective nature of CVB...

journal_title：Circulation

authors： Wessely R,Klingel K,Knowlton KU,Kandolf R

更新日期：2001-02-06 00:00:00

abstract：:The specific and sensitivity of serum creatine phosphokinase cardiac specific isoenzyme (MB) in the diagnosis of acute myocardial infarction (AMI) was evaluated. An ion-exchange chromatographic technique was used to isolate MB. Sera layered on mini-columns of DEAE-Sephadex were eluted with Tris-buffered sodium chlorid...

journal_title：Circulation

authors： Varat MA,Mercer DW

更新日期：1975-05-01 00:00:00

abstract：:The sensitivity of the baroreceptor reflex in nine patients with borderline hypertension (mean age 19.1 plus or minus 0.2 years) was compared to that in six normal subjects of comparable age (mean 18.8 plus or minus 0.3 years) and that in 14 patients with established hypertension (mean age 48.3 plus or minus 3.1 years...

journal_title：Circulation

authors： Takeshita A,Tanaka S,Kuroiwa A,Nakamura M

更新日期：1975-04-01 00:00:00

abstract：BACKGROUND:The treatment of unstable angina targets the specific pathophysiological thrombotic process at the site of the active culprit lesion. In unstable angina due to a restenotic lesion, smooth muscle cell proliferation and increased vasoreactivity may play a more important role than thrombus formation. Therefore,...

journal_title：Circulation

authors： Doucet S,Malekianpour M,Théroux P,Bilodeau L,Côté G,de Guise P,Dupuis J,Joyal M,Gosselin G,Tanguay JF,Juneau M,Harel F,Nattel S,Tardif JC,Lespérance J

更新日期：2000-03-07 00:00:00

abstract：:The significance of the direction of the ST-segment shifts on the 12-lead electrocardiogram was evaluated in 82 consecutive patients with unstable angina. Eighteen patients with ST-segment elevation (group I) were compared with 64 patients with ST-segment depression (group II). There was no difference between group I ...

journal_title：Circulation

authors： Plotnick GD,Conti CR

更新日期：1975-06-01 00:00:00

abstract：BACKGROUND:The renin-angiotensin-aldosterone system is involved in the pathogenesis of atherosclerosis, partially because of its pro-oxidative properties. We questioned the effect and mechanisms of action of administration of aldosterone to apolipoprotein E-deficient (E(0)) mice on their macrophages and aorta oxidative...

journal_title：Circulation

authors： Keidar S,Kaplan M,Pavlotzky E,Coleman R,Hayek T,Hamoud S,Aviram M

更新日期：2004-05-11 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:Contrast agents can cause a reduction in renal function that may be due to the generation of reactive oxygen species. Conflicting evidence suggests that administration of the antioxidant acetylcysteine prevents this renal impairment. The action of other antioxidant agents has not been investigated. METHODS ...

journal_title：Circulation

authors： Spargias K,Alexopoulos E,Kyrzopoulos S,Iokovis P,Greenwood DC,Manginas A,Voudris V,Pavlides G,Buller CE,Kremastinos D,Cokkinos DV

更新日期：2004-11-02 00:00:00

abstract：BACKGROUND:Unlike skeletal myocytes, mammalian adult cardiomyocytes cannot regenerate after injury. A possible strategy to increase viability and augment ventricular function after myocardial injury is fetal myocardial tissue transplantation. The engrafted fetal cells are a potential source of growth factors and can be...

journal_title：Circulation

authors： Leor J,Patterson M,Quinones MJ,Kedes LH,Kloner RA

更新日期：1996-11-01 00:00:00

abstract：:Vasodilatory or vasoconstrictive renal pharmacoangiography was applied in investigating the significance of 50 renal artery stenoses. The technique involves comparison of selective magnification renal arteriograms before and after intra-arterial injection of epinephrine or acetylcholine, seeking changes in direction o...

journal_title：Circulation

authors： Bookstein JJ,Walter JF,Stanley JC,Fry WJ

更新日期：1976-08-01 00:00:00

abstract：BACKGROUND:Modeling of human arrhythmias with induced pluripotent stem cell-derived cardiomyocytes has focused on single-cell phenotypes. However, arrhythmias are the emergent properties of cells assembled into tissues, and the impact of inherited arrhythmia mutations on tissue-level properties of human heart tissue ha...

journal_title：Circulation

authors： Park SJ,Zhang D,Qi Y,Li Y,Lee KY,Bezzerides VJ,Yang P,Xia S,Kim SL,Liu X,Lu F,Pasqualini FS,Campbell PH,Geva J,Roberts AE,Kleber AG,Abrams DJ,Pu WT,Parker KK

更新日期：2019-07-30 00:00:00

abstract：BACKGROUND:Activation of the sympathetic nervous system has important prognostic implications in chronic heart failure. Nonselective versus selective beta-adrenergic receptor antagonists may have differential effects on norepinephrine release from nerve terminals mediated by prejunctional beta(2)-adrenergic receptors. ...

journal_title：Circulation

authors： Azevedo ER,Kubo T,Mak S,Al-Hesayen A,Schofield A,Allan R,Kelly S,Newton GE,Floras JS,Parker JD

更新日期：2001-10-30 00:00:00