Short-term effects of right-left heart sequential cardiac resynchronization in patients with heart failure, chronic atrial fibrillation, and atrioventricular nodal block.

abstract：:Noninvasive gated cardiac blood pool imaging with technetium-99m autologous erythrocytes was employed to differentiate reversible verus irreversible abnormal ventricular segmental contraction by regional wall and pump responses to sublingual nitroglycerin in 25 patients with chronic coronary heart disease. In 12 patie...

journal_title：Circulation

authors： Salel AF,Berman DS,DeNardo GL,Mason DT

更新日期：1976-06-01 00:00:00

abstract：:To describe the coronary arteriographic findings during early transmural myocardial infarction and to define the prevalence of coronary thrombosis by arteriography, we performed coronary arteriography and left ventriculography within 24 hours from symptom onset of transmural myocardial infarction in 517 patients. The ...

journal_title：Circulation

authors： DeWood MA,Spores J,Hensley GR,Simpson CS,Eugster GS,Sutherland KI,Grunwald RP,Shields JP

更新日期：1983-08-01 00:00:00

abstract：:The importance of pulmonary artery size and the value of a standardized pulmonary artery index (PAI) in predicting outcome after Fontan's repair have previously been reported and questioned. We retrospectively reviewed 29 patients undergoing modified Fontan repair at The Children's Hospital of Philadelphia to examine ...

journal_title：Circulation

authors： Bridges ND,Farrell PE Jr,Pigott JD 3rd,Norwood WI,Chin AJ

更新日期：1989-09-01 00:00:00

abstract：BACKGROUND:The usefulness of adriamycin (ADR), a potent antitumor antibiotic, is limited by the development of life-threatening cardiomyopathy and congestive heart failure. Subcellular changes leading to heart failure are suggested to be mediated by a drug-induced increase in free radicals and lipid peroxidation. In an...

journal_title：Circulation

authors： Siveski-Iliskovic N,Hill M,Chow DA,Singal PK

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND:The TAXUS NIRx stent (Boston Scientific Corp) provides local delivery of paclitaxel via a slow-release polymer coating. The TAXUS I trial was the first in-human experience evaluating safety and feasibility of the TAXUS NIRx stent system compared with bare NIR stents (control) (Boston Scientific Corp) for tre...

journal_title：Circulation

authors： Grube E,Silber S,Hauptmann KE,Mueller R,Buellesfeld L,Gerckens U,Russell ME

更新日期：2003-01-07 00:00:00

abstract：BACKGROUND:Esophageal injury is a potential complication after intraoperative or percutaneous transcatheter ablation of the posterior aspect of the left atrium. Understanding the spatial relations between the esophagus and the left atrium is essential to reduce risks. METHODS AND RESULTS:We examined by gross dissectio...

journal_title：Circulation

authors： Sánchez-Quintana D,Cabrera JA,Climent V,Farré J,Mendonça MC,Ho SY

更新日期：2005-09-06 00:00:00

abstract：BACKGROUND:We previously demonstrated that ischemic postconditioning decreases creatine kinase release, a surrogate marker for infarct size, in patients with acute myocardial infarction. Our objective was to determine whether ischemic postconditioning could afford (1) a persistent infarct size limitation and (2) an imp...

journal_title：Circulation

authors： Thibault H,Piot C,Staat P,Bontemps L,Sportouch C,Rioufol G,Cung TT,Bonnefoy E,Angoulvant D,Aupetit JF,Finet G,André-Fouët X,Macia JC,Raczka F,Rossi R,Itti R,Kirkorian G,Derumeaux G,Ovize M

更新日期：2008-02-26 00:00:00

abstract：BACKGROUND:The effect of the increasing prevalence of obesity on blood pressure (BP) secular trends is unclear. We analyzed BP and body mass index secular trends between 1998 and 2006 in children and adolescents of the Seychelles, a rapidly developing island state in the African region. METHODS AND RESULTS:School-base...

journal_title：Circulation

authors： Chiolero A,Paradis G,Madeleine G,Hanley JA,Paccaud F,Bovet P

更新日期：2009-02-03 00:00:00

abstract：:Long-term tocainide therapy has been evaluated in 17 patients with ventricular arrhythmias. Ventricular tachycardia and/or fibrillation was recurrent and sustained in nine patients, and symptomatic but unsustained in three others. Five patients had frequent but only mildly symptomatic ventricular irritability. In all ...

journal_title：Circulation

authors： Winkle RA,Meffin PJ,Harrison DC

更新日期：1978-05-01 00:00:00

abstract：BACKGROUND:Associations between left ventricular (LV) geometry and the insulin resistance syndrome have been found, mostly in small studies of middle-aged hypertensives. The purpose of this study was to elucidate these associations through the use of a large sample of elderly men. METHODS AND RESULTS:We investigated 4...

journal_title：Circulation

authors： Sundström J,Lind L,Nyström N,Zethelius B,Andrén B,Hales CN,Lithell HO

更新日期：2000-06-06 00:00:00

abstract：BACKGROUND:Angiotensin (Ang) II type 1 receptor (AT1-R) induces cardiomyocyte hypertrophy and fibroblast proliferation, whereas the physiological role of AT2-R in cardiac remodeling remains poorly defined. METHODS AND RESULTS:Using Bio14.6 cardiomyopathic (CM) hamsters, we found that AT2-R sites were increased by 153%...

journal_title：Circulation

authors： Ohkubo N,Matsubara H,Nozawa Y,Mori Y,Murasawa S,Kijima K,Maruyama K,Masaki H,Tsutumi Y,Shibazaki Y,Iwasaka T,Inada M

更新日期：1997-12-02 00:00:00

abstract：BACKGROUND:Serum paraoxonase (PON1), an enzyme carried on HDL, inhibits LDL oxidation, and in human population studies, low PON1 activity is associated with atherosclerosis. In addition, PON1 knockout mice are more susceptible to lipoprotein oxidation and atherosclerosis. To evaluate whether PON1 protects against ather...

journal_title：Circulation

authors： Tward A,Xia YR,Wang XP,Shi YS,Park C,Castellani LW,Lusis AJ,Shih DM

更新日期：2002-07-23 00:00:00

abstract：BACKGROUND:The formation of prostacyclin (PGI(2)), thromboxane (TX) A(2), and isoprostanes is markedly enhanced in atherosclerosis. We examined the relative contribution of cyclooxygenase (COX)-1 and -2 to the generation of these eicosanoids in patients with atherosclerosis. METHODS AND RESULTS:The study population co...

journal_title：Circulation

authors： Belton O,Byrne D,Kearney D,Leahy A,Fitzgerald DJ

更新日期：2000-08-22 00:00:00

abstract：:Myocardial fiber disarray is a distinctive histopathologic finding seen in asymmetric hypertrophic cardiomyopathy. We studied 14 hearts with aortic atresia and intact interventricular septum, six hearts with pulmonic atresia and intact interventricular septum, eight normal infant hearts matched for age of the study he...

journal_title：Circulation

authors： Bulkley BH,D'Amico B,Taylor AL

更新日期：1983-01-01 00:00:00

abstract：BACKGROUND:Hutchinson-Gilford progeria syndrome is an ultrarare segmental premature aging disease resulting in early death from heart attack or stroke. There is no approved treatment, but starting in 2007, several recent single-arm clinical trials administered inhibitors of protein farnesylation aimed at reducing toxic...

journal_title：Circulation

authors： Gordon LB,Massaro J,D'Agostino RB Sr,Campbell SE,Brazier J,Brown WT,Kleinman ME,Kieran MW,Progeria Clinical Trials Collaborative.

更新日期：2014-07-01 00:00:00

abstract：:Patients with idiopathic hypertrophic subaortic stenosis (IHSS) have supernormal left ventricular systolic function at rest. Septal myotomy/myectomy reduces outflow obstruction and symptoms. However, it has been proposed that operation causes myocardial damage, with consequent reduction in left ventricular function an...

journal_title：Circulation

authors： Borer JS,Bacharach SL,Green MV,Kent KM,Rosing DR,Seides SF,Morrow AG,Epstein SE

更新日期：1979-08-01 00:00:00

abstract：BACKGROUND:Tumor necrosis factor-alpha (TNF-alpha) and angiotensin II (Ang II) modulate heart failure in part by provoking the hypertrophic response. Signal transduction pathways of those factors are implicated in reactive oxygen intermediates (ROIs). Therefore, we hypothesized that TNF-alpha and Ang II might cause myo...

journal_title：Circulation

authors： Nakamura K,Fushimi K,Kouchi H,Mihara K,Miyazaki M,Ohe T,Namba M

更新日期：1998-08-25 00:00:00

abstract：BACKGROUND:Few studies have examined the association of race and outcomes after coronary artery bypass graft (CABG) surgery while controlling for both patient and hospital effects. METHODS AND RESULTS:We retrospectively analyzed data on a cohort of 566,785 white and 24,354 black Medicare beneficiaries 65 years old and...

journal_title：Circulation

authors： Konety SH,Vaughan Sarrazin MS,Rosenthal GE

更新日期：2005-03-15 00:00:00

abstract：BACKGROUND:The objective of this study was to determine the impact of concurrent cardiac procedures (CCP) on patient outcomes after HeartMate II (HMII) left ventricular assist device implantation. METHODS AND RESULTS:Two hundred eighty-one patients underwent implantation of a HMII as a bridge to transplantation from M...

journal_title：Circulation

authors： Pal JD,Klodell CT,John R,Pagani FD,Rogers JG,Farrar DJ,Milano CA,HeartMate II Clinical Investigators.

更新日期：2009-09-15 00:00:00

abstract：BACKGROUND:The enzyme 11beta-hydroxysteroid dehydrogenase (11beta-HSD) prevents inappropriate activation of the nonselective mineralocorticoid receptors by glucocorticoids. Renal activity of 11beta-HSD is decreased in patients with apparent mineralocorticoid excess (SAME), licorice-induced hypertension, and essential h...

journal_title：Circulation

authors： Ruschitzka F,Quaschning T,Noll G,deGottardi A,Rossier MF,Enseleit F,Hürlimann D,Lüscher TF,Shaw SG

更新日期：2001-06-26 00:00:00

abstract：BACKGROUND:Microvascular dysfunction posttreatment of stroke with recombinant human tissue-type plasminogen activator (rht-PA) constrains the therapeutic window to 3 hours. Statins (3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors) promote vascular thrombolysis and reduce the inflammation response. We therefo...

journal_title：Circulation

authors： Zhang L,Zhang ZG,Ding GL,Jiang Q,Liu X,Meng H,Hozeska A,Zhang C,Li L,Morris D,Zhang RL,Lu M,Chopp M

更新日期：2005-11-29 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) is frequently encountered in patients with heart failure (HF) and is also a predictor of morbidity and mortality in this population. Recent experimental studies have shown electrical and structural atrial remodeling with increased fibrosis in animals with HF and have suggested a prev...

journal_title：Circulation

authors： Vermes E,Tardif JC,Bourassa MG,Racine N,Levesque S,White M,Guerra PG,Ducharme A

更新日期：2003-06-17 00:00:00

abstract：BACKGROUND:Systemic markers of inflammation have been found in unstable angina. Disruption of culprit coronary stenoses may cause a greater inflammatory response in patients with unstable than those with stable angina. We assessed the time course of C-reactive protein (CRP), serum amyloid A protein (SAA), and interleuk...

journal_title：Circulation

authors： Liuzzo G,Buffon A,Biasucci LM,Gallimore JR,Caligiuri G,Vitelli A,Altamura S,Ciliberto G,Rebuzzi AG,Crea F,Pepys MB,Maseri A

更新日期：1998-12-01 00:00:00

abstract：BACKGROUND:Activation of protein kinase C-linked receptors and subsequent opening of the mitochondrial ATP-sensitive K(+) (mitoK(ATP)) channel are crucial in preconditioning (PC). This study examined whether postinfarct ventricular remodeling interferes with the PC mechanism. METHODS AND RESULTS:Two weeks before isola...

journal_title：Circulation

authors： Miki T,Miura T,Tsuchida A,Nakano A,Hasegawa T,Fukuma T,Shimamoto K

更新日期：2000-07-25 00:00:00

abstract：BACKGROUND:The possible contribution of endothelin-1, a potent endothelium-derived vasoconstrictor peptide, to neurohumoral compensation for hemodynamic stress was examined in nine normal volunteers and six patients with severe congestive heart failure. METHODS AND RESULTS:Plasma levels of endothelin-1 were measured w...

journal_title：Circulation

authors： Stewart DJ,Cernacek P,Costello KB,Rouleau JL

更新日期：1992-02-01 00:00:00

abstract：BACKGROUND:Adenosine receptor activation has been proposed to explain the cardioprotective effect of ischemic preconditioning in rabbit hearts. We tested this hypothesis in a rat model by assessing whether administration of an adenosine antagonist could block the protective effect of preconditioning and whether adenosi...

journal_title：Circulation

authors： Li Y,Kloner RA

更新日期：1993-05-01 00:00:00

abstract：:A series of 252 isolated aortic homograft valves in 248 patients have been followed for 9 to 16.5 years (mean 10.8). The valves were sterilized in antibiotic solution and stored in a nutrient medium at 4 degrees C and were nonvital. There were 15 in-hospital deaths (6%) and a mortality of 2.7% in patients undergoing a...

journal_title：Circulation

authors： Barratt-Boyes BG,Roche AH,Subramanyan R,Pemberton JR,Whitlock RM

更新日期：1987-04-01 00:00:00

abstract：BACKGROUND:Mildly oxidized LDL (moxLDL) is thought to play a role in atherogenesis. MoxLDL induces derivatization of cell proteins and triggers a variety of intracellular signaling. We aimed to investigate whether moxLDL-induced protein derivatization may influence the activity of platelet-derived growth factor recepto...

journal_title：Circulation

authors： Escargueil-Blanc I,Salvayre R,Vacaresse N,Jürgens G,Darblade B,Arnal JF,Parthasarathy S,Nègre-Salvayre A

更新日期：2001-10-09 00:00:00

abstract：BACKGROUND:Genetic polymorphisms at codons 16 and 27 of the beta2-adrenergic receptor have been associated with altered response to sympathetic stimulation. We examined these polymorphisms in relation to cardiovascular event risk in the Cardiovascular Health Study. METHODS AND RESULTS:A total of 808 black and 4441 whi...

journal_title：Circulation

authors： Heckbert SR,Hindorff LA,Edwards KL,Psaty BM,Lumley T,Siscovick DS,Tang Z,Durda JP,Kronmal RA,Tracy RP

更新日期：2003-04-22 00:00:00

abstract：BACKGROUND:Familial polymorphic ventricular tachycardia is an autosomal-dominant, inherited disease with a relatively early onset and a mortality rate of approximately 30% by the age of 30 years. Phenotypically, it is characterized by salvoes of bidirectional and polymorphic ventricular tachycardias in response to vigo...

journal_title：Circulation

authors： Laitinen PJ,Brown KM,Piippo K,Swan H,Devaney JM,Brahmbhatt B,Donarum EA,Marino M,Tiso N,Viitasalo M,Toivonen L,Stephan DA,Kontula K

更新日期：2001-01-30 00:00:00