Long-term mitral valve replacement in young children. Influence of somatic growth on prosthetic valve adequacy.

abstract：BACKGROUND:Ultrasonic angioplasty was recently shown to ablate thrombi and atherosclerotic plaques in vitro and to recanalize occluded arteries in experimental animal models. The goal of the present study was to examine the clinical feasibility of ultrasonic angioplasty. METHODS AND RESULTS:Intraoperative ultrasonic a...

journal_title：Circulation

authors： Rosenschein U,Rozenszajn LA,Kraus L,Marboe CC,Watkins JF,Rose EA,David D,Cannon PJ,Weinstein JS

更新日期：1991-06-01 00:00:00

abstract：BACKGROUND:Ibutilide is an action potential-prolonging antiarrhythmic currently in clinical trials. The drug shares structural similarities with E-4031 and dofetilide, specific blockers of the rapidly activating delayed rectifier K+ current (IKr). However, previous in vitro studies in guinea pig myocytes have indicated...

journal_title：Circulation

authors： Yang T,Snyders DJ,Roden DM

更新日期：1995-03-15 00:00:00

abstract：BACKGROUND:Activated fibroblasts (myofibroblasts) play a critical role in cardiac fibrosis; however, their origin in the diseased heart remains unclear, warranting further investigation. Recent studies suggest the contribution of bone marrow fibroblast progenitor cells (BM-FPCs) in pressure overload-induced cardiac fib...

journal_title：Circulation

authors： Verma SK,Garikipati VNS,Krishnamurthy P,Schumacher SM,Grisanti LA,Cimini M,Cheng Z,Khan M,Yue Y,Benedict C,Truongcao MM,Rabinowitz JE,Goukassian DA,Tilley D,Koch WJ,Kishore R

更新日期：2017-09-05 00:00:00

abstract：:Many vasodilators have been tried as antianginal agents, but the reflex increase in sympathetic tone produced by these drugs necessitate their use with caution in patients with angina. In the first part of this study, captopril was given to 14 patients with angina and systolic arterial pressures of greater than 120 mm...

journal_title：Circulation

authors： Daly P,Mettauer B,Rouleau JL,Cousineau D,Burgess JH

更新日期：1985-02-01 00:00:00

abstract：BACKGROUND:Pulmonary arterial hypertension (PAH) remains a concern in patients with β-thalassemia major (TM) and intermedia (TI); however, studies evaluating its prevalence and risk factors using systematic confirmation on right heart catheterization are lacking. METHODS AND RESULTS:This was a multicenter cross-sectio...

journal_title：Circulation

authors： Derchi G,Galanello R,Bina P,Cappellini MD,Piga A,Lai ME,Quarta A,Casu G,Perrotta S,Pinto V,Musallam KM,Forni GL,Webthal Pulmonary Arterial Hypertension Group*.

更新日期：2014-01-21 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:The composition of plaque is a major determinant of coronary-related clinical syndromes. Intravascular ultrasound (IVUS) elastography has proven to be a technique capable of reflecting the mechanical properties of phantom material and the femoral arterial wall. The aim of this study was to investigate the ca...

journal_title：Circulation

authors： de Korte CL,Pasterkamp G,van der Steen AF,Woutman HA,Bom N

更新日期：2000-08-08 00:00:00

abstract：BACKGROUND:In large mammals and humans, the contribution of IKs to ventricular repolarization is still incompletely understood. METHODS AND RESULTS:In vivo and cellular electrophysiological experiments were conducted to study IKs in canine ventricular repolarization. In conscious dogs, administration of the selective ...

journal_title：Circulation

authors： Volders PG,Stengl M,van Opstal JM,Gerlach U,Spätjens RL,Beekman JD,Sipido KR,Vos MA

更新日期：2003-06-03 00:00:00

abstract：BACKGROUND:Inhaled nitric oxide (NO) is a potent and selective pulmonary vasodilator, which induces cGMP synthesis by activating soluble guanylate cyclase (sGC) in ventilated lung regions. Carbon monoxide (CO) has also been proposed to influence smooth muscle tone via activation of sGC. We examined whether direct stimu...

journal_title：Circulation

authors： Evgenov OV,Ichinose F,Evgenov NV,Gnoth MJ,Falkowski GE,Chang Y,Bloch KD,Zapol WM

更新日期：2004-10-12 00:00:00

abstract：BACKGROUND:Platelet activation plays a pivotal role in the pathogenesis of acute coronary disease. Monocytes are involved in the progression of atherosclerosis and are potent activators of blood coagulation through their ability to synthesize tissue factor (TF). The aim of this study was to compare markers of monocyte ...

journal_title：Circulation

authors： Jude B,Agraou B,McFadden EP,Susen S,Bauters C,Lepelley P,Vanhaesbroucke C,Devos P,Cosson A,Asseman P

更新日期：1994-10-01 00:00:00

abstract：BACKGROUND:We investigated whether differentiation of embryonic stem cells (ESCs) in ischemic myocardium enhances their immunogenicity, thereby increasing their chance for rejection. METHODS AND RESULTS:In one series, 129/SvJ-derived mouse ESCs (ES-D3 line) were transplanted by direct myocardial injection (1 x 10(6) c...

journal_title：Circulation

authors： Swijnenburg RJ,Tanaka M,Vogel H,Baker J,Kofidis T,Gunawan F,Lebl DR,Caffarelli AD,de Bruin JL,Fedoseyeva EV,Robbins RC

更新日期：2005-08-30 00:00:00

abstract：:Quantitative detection of left ventricular segmental wall motion abnormalities by any modality depends on the reference system used because of the dynamic geometry of contraction and cardiac motion within the thorax. To assess the feasibility and accuracy of quantitative analysis of left ventricular wall motion by two...

journal_title：Circulation

authors： Schnittger I,Fitzgerald PJ,Gordon EP,Alderman EL,Popp RL

更新日期：1984-08-01 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:It has been suggested that the survival benefit associated with primary percutaneous coronary intervention (PPCI) in ST-segment elevation myocardial infarction may be attenuated if door-to-balloon (DB) time is delayed by >1 hour beyond door-to-needle (DN) times for fibrinolytic therapy. Whereas DB times are ...

journal_title：Circulation

authors： Pinto DS,Kirtane AJ,Nallamothu BK,Murphy SA,Cohen DJ,Laham RJ,Cutlip DE,Bates ER,Frederick PD,Miller DP,Carrozza JP Jr,Antman EM,Cannon CP,Gibson CM

更新日期：2006-11-07 00:00:00

abstract：BACKGROUND:Denervation supersensitivity has been proposed as a mechanism for the relation between ventricular arrhythmias and the sympathetic nervous system. Evaluation of this phenomenon in humans has become feasible only recently with the development of noninvasive scintigraphic methods for evaluating the pattern of ...

journal_title：Circulation

authors： Calkins H,Allman K,Bolling S,Kirsch M,Wieland D,Morady F,Schwaiger M

更新日期：1993-07-01 00:00:00

abstract：:Verapamil, a calcium antagonist, has been used extensively for treatment of cardiac arrhythmias. Concern persists, however, that it may seriously depress myocardial function in cardiac patients. To investigate this possibility, 20 patients with coronary artery disease (CAD) but no heart failure were given intravenous ...

journal_title：Circulation

authors： Ferlinz J,Easthope JL,Aronow WS

更新日期：1979-02-01 00:00:00

abstract：:Eighty-seven patients who had out-of-hospital cardiac arrests received defibrillating shocks delivered by minimally trained first responders before the arrival of paramedics in a city with short emergency response times. Their outcomes were compared with those of 370 other victims who received only basic life support ...

journal_title：Circulation

authors： Weaver WD,Copass MK,Bufi D,Ray R,Hallstrom AP,Cobb LA

更新日期：1984-05-01 00:00:00

abstract：BACKGROUND:Sirt7, 1 of the 7 members of the mammalian sirtuin family, promotes oncogenic transformation. Tumor growth and metastasis require fibrotic and angiogenic responses. Here, we investigated the role of Sirt7 in cardiovascular tissue repair process. METHODS AND RESULTS:In wild-type mice, Sirt7 expression increa...

journal_title：Circulation

authors： Araki S,Izumiya Y,Rokutanda T,Ianni A,Hanatani S,Kimura Y,Onoue Y,Senokuchi T,Yoshizawa T,Yasuda O,Koitabashi N,Kurabayashi M,Braun T,Bober E,Yamagata K,Ogawa H

更新日期：2015-09-22 00:00:00

abstract：BACKGROUND:The long-term success of coronary bypass surgery is dependent on graft patency after surgery. This trial was designed to determine if aspirin improved saphenous vein graft or internal mammary artery (IMA) graft patency between 1 and 3 years after coronary artery bypass grafting (CABG). METHODS AND RESULTS:A...

journal_title：Circulation

authors： Goldman S,Copeland J,Moritz T,Henderson W,Zadina K,Ovitt T,Kern KB,Sethi G,Sharma GV,Khuri S

更新日期：1994-03-01 00:00:00

abstract：BACKGROUND:Recent studies suggest that bone morphogenetic protein-2 (BMP-2), a transforming growth factor-beta superfamily member cytokine, plays an important role both in vascular development and pathophysiological processes, including endothelial activation that is likely to contribute to the development of coronary ...

journal_title：Circulation

authors： Csiszar A,Smith KE,Koller A,Kaley G,Edwards JG,Ungvari Z

更新日期：2005-05-10 00:00:00

abstract：BACKGROUND:Atherosclerosis is a systemic disease that underlies clinical cardiovascular disease. The radiographic finding of abdominal aortic calcific deposits is an indicator of the presence of aortic atherosclerosis and an independent predictor of cardiovascular disease events. Little is known about the heritability ...

journal_title：Circulation

authors： O'Donnell CJ,Chazaro I,Wilson PW,Fox C,Hannan MT,Kiel DP,Cupples LA

更新日期：2002-07-16 00:00:00

abstract：BACKGROUND:Cardiac troponin and B-type natriuretic peptide (BNP) concentrations are associated with adverse cardiovascular outcome in primary prevention populations. Whether statin therapy modifies this association is poorly understood. METHODS AND RESULTS:We measured high-sensitivity cardiac troponin I (hsTnI) in 12 ...

journal_title：Circulation

authors： Everett BM,Zeller T,Glynn RJ,Ridker PM,Blankenberg S

更新日期：2015-05-26 00:00:00

abstract：BACKGROUND:Previous experimental studies have shown that nitric oxide (NO) modulates cardiac function by an abbreviation of systolic contraction and an enhancement of diastolic relaxation. However, the response to NO donors of patients with severe pressure-overload hypertrophy and diastolic dysfunction is unknown. MET...

journal_title：Circulation

authors： Matter CM,Mandinov L,Kaufmann PA,Vassalli G,Jiang Z,Hess OM

更新日期：1999-05-11 00:00:00

abstract：:To determine whether cardiac transplant rejection can be detected noninvasively with indium-111 (111In)-labeled lymphocytes, we studied 11 dogs with thoracic heterotopic cardiac transplants without immunosuppression and five dogs with transplants treated with cyclosporine (10 mg/kg/day) and prednisone (1 mg/kg/day). A...

journal_title：Circulation

authors： Eisen HJ,Eisenberg SB,Saffitz JE,Bolman RM 3rd,Sobel BE,Bergmann SR

更新日期：1987-04-01 00:00:00

abstract：:The administration of hyaluronidase is a promising intervention to protect the ischemic myocardium in man, but evidence of the extent to which it may reduce the ultimate size of an infarct is not well-defined. Hence, open chest, anesthetized dogs were randomized into 10 control dogs which received saline and eight tre...

journal_title：Circulation

authors： Kloner RA,Braunwald E,Maroko PR

更新日期：1978-08-01 00:00:00

abstract：BACKGROUND:Unstable atherosclerotic lesions typically have an abundant inflammatory cell infiltrate, including activated T cells, macrophages, and mast cells, which may decrease plaque stability. The pathophysiology of inflammatory cell recruitment and activation in the human atheroma is incompletely described. METHOD...

journal_title：Circulation

authors： Haley KJ,Lilly CM,Yang JH,Feng Y,Kennedy SP,Turi TG,Thompson JF,Sukhova GH,Libby P,Lee RT

更新日期：2000-10-31 00:00:00

abstract：BACKGROUND:Pulmonary hypertension caused by systolic left ventricular dysfunction is associated with significant morbidity and mortality; however, no treatment is approved for this indication. We hypothesized that riociguat, a novel soluble guanylate cyclase stimulator, would have beneficial hemodynamic effects in pati...

journal_title：Circulation

authors： Bonderman D,Ghio S,Felix SB,Ghofrani HA,Michelakis E,Mitrovic V,Oudiz RJ,Boateng F,Scalise AV,Roessig L,Semigran MJ,Left Ventricular Systolic Dysfunction Associated With Pulmonary Hypertension Riociguat Trial (LEPHT) Study Group.

更新日期：2013-07-30 00:00:00

abstract：BACKGROUND:Human leukocyte antigen-G (HLA-G) expression in heart transplant patients has been negatively associated with acute cellular rejection and cardiac allograft vasculopathy. We assessed HLA-G expression in vascular human endothelial and smooth muscle cell cultures to determine if future therapeutic agents can b...

journal_title：Circulation

authors： Sheshgiri R,Rao V,Tumiati LC,Xiao R,Prodger JL,Badiwala M,Librach C,Delgado DH

更新日期：2008-09-30 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:Paroxysmal atrial fibrillation (AF) naturally progresses toward chronic AF at an estimated rate of 15% to 30% over a 1- to 3-year period. Pulmonary vein (PV) isolation is increasingly performed for the treatment of drug-refractory paroxysmal AF. The long-term data on clinical outcome after circumferential PV...

journal_title：Circulation

authors： Ouyang F,Tilz R,Chun J,Schmidt B,Wissner E,Zerm T,Neven K,Köktürk B,Konstantinidou M,Metzner A,Fuernkranz A,Kuck KH

更新日期：2010-12-07 00:00:00