Right ventricular growth after transventricular pulmonary valvotomy and central aortopulmonary shunt for pulmonary atresia and intact ventricular septum.

abstract：:We have recently demonstrated that exercise training can induce important hemodynamic and metabolic adaptations in patients with chronic heart failure due to severe left ventricular dysfunction. This study examines the accompanying changes in submaximal exercise performance and the ventilatory response to exercise in ...

journal_title：Circulation

authors： Sullivan MJ,Higginbotham MB,Cobb FR

更新日期：1989-02-01 00:00:00

abstract：BACKGROUND:Randomized trials that studied clinical outcomes after percutaneous coronary intervention (PCI) with bare metal stenting versus coronary artery bypass grafting (CABG) are underpowered to properly assess safety end points like death, stroke, and myocardial infarction. Pooling data from randomized controlled t...

journal_title：Circulation

authors： Daemen J,Boersma E,Flather M,Booth J,Stables R,Rodriguez A,Rodriguez-Granillo G,Hueb WA,Lemos PA,Serruys PW

更新日期：2008-09-09 00:00:00

abstract：:Six instances of sudden death were recorded by Holter monitoring, which showed ventricular fibrillation in five and a bradyarrhythmia in one. Complex ventricular ectopic activity preceded cardiac arrest in five patients, including the one with the bradyarrhythmic arrest. Two patients with chronic bifascicular block ar...

journal_title：Circulation

authors： Nikolic G,Bishop RL,Singh JB

更新日期：1982-07-01 00:00:00

abstract：BACKGROUND:Aging is associated with increased cardiovascular risk and endothelial dysfunction. Since exercise can improve endothelium-dependent vasodilation, in the present study we tested whether long-term physical activity could prevent aging-related endothelial dysfunction. METHODS AND RESULTS:In 12 young and elder...

journal_title：Circulation

authors： Taddei S,Galetta F,Virdis A,Ghiadoni L,Salvetti G,Franzoni F,Giusti C,Salvetti A

更新日期：2000-06-27 00:00:00

abstract：BACKGROUND:Spontaneous transient outward potassium currents (STOCs) induce myogenic relaxation in small cerebral vessels. We found STOCs in human coronary artery vascular smooth muscle cells (VSMCs) and studied their regulation. METHODS AND RESULTS:K+ currents were recorded in human coronary VSMCs by current- and volt...

journal_title：Circulation

authors： Bychkov R,Gollasch M,Ried C,Luft FC,Haller H

更新日期：1997-01-21 00:00:00

abstract：BACKGROUND:Adrenomedullin (AM) is a novel vasodilating peptide thought to have important effects on cardiovascular function. The aim of this study was to assess the activity of endogenous AM in the cardiovascular system using AM knockout mice. METHODS AND RESULTS:Mice heterozygous for an AM-null mutation (AM+/-) and t...

journal_title：Circulation

authors： Niu P,Shindo T,Iwata H,Iimuro S,Takeda N,Zhang Y,Ebihara A,Suematsu Y,Kangawa K,Hirata Y,Nagai R

更新日期：2004-04-13 00:00:00

abstract：BACKGROUND:Previous studies have shown that thrombin is a potent though slow-acting mitogen for vascular smooth muscle cells (SMC). Because thrombin generation in vivo is accompanied by platelet activation, it has been suggested that platelet-derived factors might enhance thrombin-induced SMC proliferation. No informat...

journal_title：Circulation

authors： Zucker TP,Bönisch D,Muck S,Weber AA,Bretschneider E,Glusa E,Schrör K

更新日期：1998-02-17 00:00:00

abstract：BACKGROUND:Coronary artery bypass grafting (CABG) using cardiopulmonary bypass (CPB) provides controlled operative conditions but induces a whole-body inflammatory response capable of initiating devastating morbidity and mortality. Although technically more demanding, deliberate avoidance of CPB in off-pump surgery att...

journal_title：Circulation

authors： Tomic V,Russwurm S,Möller E,Claus RA,Blaess M,Brunkhorst F,Bruegel M,Bode K,Bloos F,Wippermann J,Wahlers T,Deigner HP,Thiery J,Reinhart K,Bauer M

更新日期：2005-11-08 00:00:00

abstract：BACKGROUND:Cardiac effects of hypertension include increased left ventricular (LV) mass and LV hypertrophy, as well as increased left atrial size, a predictor of stroke and atrial fibrillation. Although literature on reduction of LV mass with antihypertensive therapy is extensive, little information is available on eff...

journal_title：Circulation

authors： Gottdiener JS,Reda DJ,Williams DW,Materson BJ,Cushman W,Anderson RJ

更新日期：1998-07-14 00:00:00

abstract：BACKGROUND:Anisotropic conduction properties may provide a substrate for reentrant arrhythmias. We investigated the age-dependent changes of structural and functional anisotropy in isolated right atria from infant (1 to 2 months), young (6 to 12 months), and old (6 to 10 years) dogs. METHODS AND RESULTS:The histology ...

journal_title：Circulation

authors： Koura T,Hara M,Takeuchi S,Ota K,Okada Y,Miyoshi S,Watanabe A,Shiraiwa K,Mitamura H,Kodama I,Ogawa S

更新日期：2002-04-30 00:00:00

abstract：BACKGROUND:Whether cardiac rehabilitation (CR) is effective in patients older than 75 years, who have been excluded from most trials, remains unclear. We enrolled patients 46 to 86 years old in a randomized trial and assessed the effects of 2 months of post-myocardial infarction (MI) CR on total work capacity (TWC, in ...

journal_title：Circulation

authors： Marchionni N,Fattirolli F,Fumagalli S,Oldridge N,Del Lungo F,Morosi L,Burgisser C,Masotti G

更新日期：2003-05-06 00:00:00

abstract：BACKGROUND:Angina symptoms have been reported to predict mortality in men. The aim of this study was to investigate the association between angina symptoms and mortality in women. METHODS AND RESULTS:In 2004, 873 older participants in the Australian Longitudinal Study on Women's Health with self-reported ischemic hear...

journal_title：Circulation

authors： Berecki-Gisolf J,Humphreyes-Reid L,Wilson A,Dobson A

更新日期：2009-12-08 00:00:00

abstract：BACKGROUND:Intraoperative mapping studies suggest that an isthmus of myocardium between the mitral valve annulus and the border of inferior myocardial infarction may play a role in the genesis of ventricular tachycardia. We examined the frequency with which a slow conduction zone within the mitral isthmus was critical ...

journal_title：Circulation

authors： Wilber DJ,Kopp DE,Glascock DN,Kinder CA,Kall JG

更新日期：1995-12-15 00:00:00

abstract：BACKGROUND:Because pulmonary artery size is considered by most investigators to be a major prognosticator of outcome in patients undergoing staged Fontan reconstruction, the objective of the present study was to determine the efficacy of noninvasive measures in determining pulmonary artery size. METHODS AND RESULTS:Th...

journal_title：Circulation

authors： Fogel MA,Donofrio MT,Ramaciotti C,Hubbard AM,Weinberg PM

更新日期：1994-12-01 00:00:00

abstract：:Forty-four patients with acute transmural myocardial infarction underwent cardiac catheterization 4.7 +/- 1.3 hours (+/- SD) after the onset of persistent chest discomfort. Thirty-nine patients had total occlusion of infarct-related vessels; 27 of these 39 had successful intracoronary thrombolysis. Twenty of these 27 ...

journal_title：Circulation

authors： Goldberg S,Urban P,Greenspon A,Berger B,Walinsky P,Muza B,Kusiak V,Maroko PR

更新日期：1983-08-01 00:00:00

abstract：:This study was conducted in 46 patients with cardiac thrombi, 15 patients with atrial myxomas, and 32 patients with other cardiac or paracardiac tumors. Diagnoses were subsequently proven by surgery, autopsy, computed tomography, magnetic resonance imaging, or angiography in all patients. All patients underwent precor...

journal_title：Circulation

authors： Mügge A,Daniel WG,Haverich A,Lichtlen PR

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND:Development of left ventricular hypertrophy in aortic stenosis (AS) is accompanied by coronary microcirculatory dysfunction, demonstrated by an impaired coronary vasodilator reserve (CVR). However, evidence for regional abnormalities in myocardial blood flow (MBF) and the potential mechanisms is limited. The...

journal_title：Circulation

authors： Rajappan K,Rimoldi OE,Dutka DP,Ariff B,Pennell DJ,Sheridan DJ,Camici PG

更新日期：2002-01-29 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

abstract：BACKGROUND:Optimal management of acute pulmonary embolism (PE) requires medical expertise, diagnostic testing, and therapies that may not be available consistently throughout the entire week. We sought to assess whether associations exist between weekday or weekend admission and mortality and length of hospital stay fo...

journal_title：Circulation

authors： Aujesky D,Jiménez D,Mor MK,Geng M,Fine MJ,Ibrahim SA

更新日期：2009-02-24 00:00:00

abstract：:Although laparoscopic surgery accounts for >2 million surgical procedures every year, the current preoperative risk scores and guidelines do not adequately assess the risks of laparoscopy. In general, laparoscopic procedures have a lower risk of morbidity and mortality compared with operations requiring a midline lapa...

journal_title：Circulation

authors： Atkinson TM,Giraud GD,Togioka BM,Jones DB,Cigarroa JE

更新日期：2017-02-14 00:00:00

abstract：BACKGROUND:Transplant-associated coronary artery disease (TxCAD) is the manifestation of chronic rejection in the cardiac allograft. Both immunological and nonimmunological factors contribute to its development. Stratification by the time of development of TxCAD has not been considered previously for an extensive trans...

journal_title：Circulation

authors： Hornick P,Smith J,Pomerance A,Mitchell A,Banner N,Rose M,Yacoub M

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Our purpose was to use multislice MRI for detection of reversible myocardial ischemia and assessment of the effect of revascularization on tissue perfusion in patients with coronary artery disease. METHODS AND RESULTS:Eleven patients with single-vessel proximal left anterior descending coronary artery disea...

journal_title：Circulation

authors： Lauerma K,Virtanen KS,Sipilä LM,Hekali P,Aronen HJ

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:Associations of obesity with incidence of heart failure have been observed, but the causality is uncertain. We hypothesized that gastric bypass surgery leads to a lower incidence of heart failure compared with intensive lifestyle modification in obese people. METHODS:We included obese people without previou...

journal_title：Circulation

authors： Sundström J,Bruze G,Ottosson J,Marcus C,Näslund I,Neovius M

更新日期：2017-04-25 00:00:00

abstract：BACKGROUND:We explored whether chronic hyperglycemia is associated with defects in endothelium-dependent vasodilatation in vivo and whether defects in the hemodynamic effects of insulin explain insulin resistance. METHODS AND RESULTS:Vasodilator responses to brachial artery infusions of acetylcholine, sodium nitroprus...

journal_title：Circulation

authors： Mäkimattila S,Virkamäki A,Groop PH,Cockcroft J,Utriainen T,Fagerudd J,Yki-Järvinen H

更新日期：1996-09-15 00:00:00

abstract：BACKGROUND:Sudden Unexplained Death Syndrome (SUDS) is the leading cause of death in young, healthy, Southeast Asian men. The role of an implantable cardioverter defibrillator (ICD) for mortality reduction in these patients remains unclear. METHODS AND RESULTS:The Defibrillator Versus beta-Blockers for Unexplained Dea...

journal_title：Circulation

authors： Nademanee K,Veerakul G,Mower M,Likittanasombat K,Krittayapong R,Bhuripanyo K,Sitthisook S,Chaothawee L,Lai MY,Azen SP

更新日期：2003-05-06 00:00:00

abstract：BACKGROUND:Heart rate (HR) variability is a marker of tonic cardiac autonomic activity and contributes in assessing risk for sudden death after myocardial infarction. Recent clinical observations have indicated that attenuation of HR variability, which occurs after myocardial infarction, may be transient. This study ad...

journal_title：Circulation

authors： Adamson PB,Huang MH,Vanoli E,Foreman RD,Schwartz PJ,Hull SS Jr

更新日期：1994-08-01 00:00:00

abstract：BACKGROUND:Cellular transplantation is emerging as a promising strategy for the treatment of postinfarction ventricular dysfunction. Whether its beneficial effects can be extended to other cardiomyopathies remains an unexplored question. We evaluated the histological and functional effects of simultaneous autologous tr...

journal_title：Circulation

authors： Guarita-Souza LC,Carvalho KA,Woitowicz V,Rebelatto C,Senegaglia A,Hansen P,Miyague N,Francisco JC,Olandoski M,Faria-Neto JR,Brofman P

更新日期：2006-07-04 00:00:00

abstract：:To determine the contribution of disopyramide's suggested opposing direct depressant and indirect acceleratory actions on sinus node function, we studied the effects of disopyramide, 1 x 10(-7) to 1 x 10(-4) M, on isolated rabbit sinus node preparations using standard microelectrode techniques. Transmembrane potential...

journal_title：Circulation

authors： Katoh T,Karagueuzian HS,Jordan J,Mandel WJ

更新日期：1982-12-01 00:00:00

abstract：BACKGROUND:Off-pump coronary artery bypass surgery (OPCAB) has been revived and has gained popularity, although the exact subsets of patients who might benefit most from this technique are unknown. The aim of this retrospective study was to compare the results of coronary artery bypass grafting surgery (CABG) in octoge...

journal_title：Circulation

authors： Demaria RG,Carrier M,Fortier S,Martineau R,Fortier A,Cartier R,Pellerin M,Hébert Y,Bouchard D,Pagé P,Perrault LP

更新日期：2002-09-24 00:00:00

abstract：BACKGROUND:Our aim was to compare the electron-beam CT (EBCT) features of coronary arteries in heart transplant recipients with those of biplane coronary angiography and intracoronary ultrasound (ICUS). METHODS AND RESULTS:We examined 112 heart transplant recipients (25 female; age, 17 to 69 years; median, 52 years) 1...

journal_title：Circulation

authors： Knollmann FD,Bocksch W,Spiegelsberger S,Hetzer R,Felix R,Hummel M

更新日期：2000-05-02 00:00:00