Effects of long-term biventricular stimulation for resynchronization on echocardiographic measures of remodeling.

abstract：:Twenty-four-hour ambulatory ECG recording was performed in 26 patients with variant angina to evaluate the diurnal distribution of ST-segment elevation in relation to chest pain and the incidence of arrhythmias during the episodes. During a recording period of 52 days, 364 ST-segment elevations of 1 mm or greater were...

journal_title：Circulation

authors： Araki H,Koiwaya Y,Nakagaki O,Nakamura M

更新日期：1983-05-01 00:00:00

abstract：BACKGROUND:Congestive heart failure (CHF) patients with central sleep apnea (CHF-CSA) have elevated plasma norepinephrine (NE) compared with CHF patients without apnea (CHF-N). Patients with CHF-CSA also demonstrate higher mean pulmonary artery pressure (PAP), which is suggestive of worse cardiac function. Whether CSA ...

journal_title：Circulation

authors： Mansfield D,Kaye DM,Brunner La Rocca H,Solin P,Esler MD,Naughton MT

更新日期：2003-03-18 00:00:00

abstract：BACKGROUND:The majority of infrarenal abdominal aortic aneurysm (AAA) repairs in the United States are performed with endovascular methods. Baseline aortoiliac arterial anatomic characteristics are fundamental criteria for appropriate patient selection for endovascular aortic repair (EVAR) and key determinants of long-...

journal_title：Circulation

authors： Schanzer A,Greenberg RK,Hevelone N,Robinson WP,Eslami MH,Goldberg RJ,Messina L

更新日期：2011-06-21 00:00:00

abstract：:To determine the long-term efficacy of apical left ventricular to aortic conduits in palliating complex left ventricular outflow obstruction, we reviewed our entire experience of 20 pediatric patients who underwent placement of a composite porcine valve-bearing conduit from the left ventricular apex to the aorta from ...

journal_title：Circulation

authors： Frommelt PC,Rocchini AP,Bove EL

更新日期：1991-11-01 00:00:00

abstract：:Malperfusion of the thoracoabdominal aorta or its branches is a common complication of aortic dissection, often with a fatal outcome. Since 1985 we saw thoracoabdominal malperfusion in 13 patients with aortic dissection. During repair of an acute type A aortic dissection, the intimal flap was fenestrated in three case...

journal_title：Circulation

authors： Laas J,Heinemann M,Schaefers HJ,Daniel W,Borst HG

更新日期：1991-11-01 00:00:00

abstract：:Eleven consecutive patients with idiopathic dilated cardiomyopathy and spontaneous, sustained ventricular tachycardia (VT) of uniform morphology underwent programmed ventricular stimulation and serial antiarrhythmic drug testing. The mean ejection fraction was 30 +/- 6.4%. Sustained VT was induced by programmed electr...

journal_title：Circulation

authors： Poll DS,Marchlinski FE,Buxton AE,Doherty JU,Waxman HL,Josephson ME

更新日期：1984-09-01 00:00:00

abstract：BACKGROUND:The pathogenesis of sodium and water accumulation in chronic constrictive pericarditis is not well understood and may differ from that in patients with chronic congestive heart failure due to myocardial disease. This study was undertaken to investigate some of the mechanisms. METHODS AND RESULTS:Using stand...

journal_title：Circulation

authors： Anand IS,Ferrari R,Kalra GS,Wahi PL,Poole-Wilson PA,Harris PC

更新日期：1991-06-01 00:00:00

abstract：BACKGROUND:Recurrent arterial thrombosis and venous thrombosis are frequent complications of the antiphospholipid syndrome (APS). Patients produce anti-cardiolipin antibodies, but the role of these antibodies in thrombus formation is uncertain. This study used a unique CD-1 mouse model of thrombosis to determine whethe...

journal_title：Circulation

authors： Pierangeli SS,Liu SW,Anderson G,Barker JH,Harris EN

更新日期：1996-10-01 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: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：:Although immediate and late changes in coronary stenoses after percutaneous transluminal coronary angioplasty (PTCA) have been reported, most investigators have employed qualitative or semiquantitative techniques to analyze the angiograms. Such data is not optimal because of considerable interobserver variability and ...

journal_title：Circulation

authors： Johnson MR,Brayden GP,Ericksen EE,Collins SM,Skorton DJ,Harrison DG,Marcus ML,White CW

更新日期：1986-03-01 00:00:00

abstract：BACKGROUND:Residual mural thrombus on severely damaged arterial wall is very thrombogenic. We tested the hypothesis that direct thrombin inhibition will block thrombus growth on fresh thrombus better than indirect thrombin inhibition, cyclooxygenase inhibition, or both. METHODS AND RESULTS:A fresh mural thrombus was f...

journal_title：Circulation

authors： Meyer BJ,Badimon JJ,Mailhac A,Fernández-Ortiz A,Chesebro JH,Fuster V,Badimon L

更新日期：1994-11-01 00:00:00

abstract：:The patterns of aortic and tricuspid valve motion in 50 patients with mitral valve prolapse were analyzed by wide-angle, phased-array, two-dimensional echocardiography. Twelve patients (24%) had redundant aortic leaflets bulging into the left ventricular outflow tract during diastole. Eight of 12 patients had aortic r...

journal_title：Circulation

authors： Ogawa S,Hayashi J,Sasaki H,Tani M,Akaishi M,Mitamura H,Sano M,Hoshino T,Handa S,Nakamura Y

更新日期：1982-01-01 00:00:00

abstract：BACKGROUND:Inflammatory vasculopathies, ranging from the vasculitides (Takayasu arteritis, giant cell arteritis, and polyarteritis nodosa) to atherosclerosis, display remarkable target tissue tropisms for selected vascular beds. Molecular mechanisms directing wall inflammation to restricted anatomic sites within the va...

journal_title：Circulation

authors： Pryshchep O,Ma-Krupa W,Younge BR,Goronzy JJ,Weyand CM

更新日期：2008-09-16 00:00:00

abstract：BACKGROUND:DC shock catheter ablation for the treatment of ventricular tachycardia (VT) may induce VT episodes that disappear within days. METHODS AND RESULTS:A 30-J cathodal shock was delivered to the endocardial left ventricular wall in 15 closed-chest dogs. All dogs had VT during the first day after ablation. Eleve...

journal_title：Circulation

authors： Hauer RN,de Bakker JM,de Wilde AA,Straks W,Vermeulen JT,Janse MJ

更新日期：1991-07-01 00:00:00

abstract：BACKGROUND:Several centers favor replacing a diseased native heart valve with a tissue rather than a mechanical prosthesis, even in younger adult patients. However, long-term data supporting this approach are lacking. We examined the survival implications of selecting a tissue versus a mechanical prosthesis at initial ...

journal_title：Circulation

authors： Ruel M,Chan V,Bédard P,Kulik A,Ressler L,Lam BK,Rubens FD,Goldstein W,Hendry PJ,Masters RG,Mesana TG

更新日期：2007-09-11 00:00:00

abstract：BACKGROUND:We measured the content and activities of components of the beta-adrenergic receptor-G protein-adenylate cyclase complex and adrenergic neurotransmitter levels in left and right ventricular myocardial preparations derived from 77 end-stage failing human hearts from patients with idiopathic dilated cardiomyop...

journal_title：Circulation

authors： Bristow MR,Anderson FL,Port JD,Skerl L,Hershberger RE,Larrabee P,O'Connell JB,Renlund DG,Volkman K,Murray J

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:The Na(+)/Ca(2+) exchange (NCX) extrudes Ca(2+) from cardiac myocytes, but it can also mediate Ca(2+) influx, load the sarcoplasmic reticulum with Ca(2+), and trigger Ca(2+) release from the sarcoplasmic reticulum. In ischemia/reperfusion or digitalis toxicity, increased levels of intracellular [Na(+)] ([Na(...

journal_title：Circulation

authors： Satoh H,Ginsburg KS,Qing K,Terada H,Hayashi H,Bers DM

更新日期：2000-03-28 00:00:00

abstract：BACKGROUND:The pathophysiology of hypertension in the immediate postpartum period is unclear. METHODS AND RESULTS:We studied 988 consecutive women admitted to a tertiary medical center for cesarean section of a singleton pregnancy. The angiogenic factors soluble fms-like tyrosine kinase 1 and placental growth factor, ...

journal_title：Circulation

authors： Goel A,Maski MR,Bajracharya S,Wenger JB,Zhang D,Salahuddin S,Shahul SS,Thadhani R,Seely EW,Karumanchi SA,Rana S

更新日期：2015-11-03 00:00:00

abstract：BACKGROUND:Systemic delivery of bone marrow-derived mesenchymal stem cells (BM-MSCs) is an attractive approach for myocardial repair. We aimed to test this strategy in a rat model after myocardial infarction (MI). METHODS AND RESULTS:BM-MSCs were obtained from rat bone marrow, expanded in vitro to a purity of >50%, an...

journal_title：Circulation

authors： Barbash IM,Chouraqui P,Baron J,Feinberg MS,Etzion S,Tessone A,Miller L,Guetta E,Zipori D,Kedes LH,Kloner RA,Leor J

更新日期：2003-08-19 00:00:00

abstract：:A transient form of hypertrophic cardiomyopathy has been previously described in infants of diabetic mothers (IDMs). The purpose of this study was to determine the incidence, natural history and pathologic features of this cardiomyopathy in symptomatic and asymptomatic IDMs. We studied 47 IDMs for evidence of cardiomy...

journal_title：Circulation

authors： Gutgesell HP,Speer ME,Rosenberg HS

更新日期：1980-02-01 00:00:00

abstract：BACKGROUND:To formally test whether the antiapoptotic protein bcl-2 would prevent programmed cell death in cardiac muscle cells provoked by p53, a known trigger of apoptosis in a variety of different cell types, we used replication defective adenovirus encoding either the bcl-2 and p53 genes to deliver bcl-2 and p53 to...

journal_title：Circulation

authors： Kirshenbaum LA,de Moissac D

更新日期：1997-09-02 00:00:00

abstract：BACKGROUND:Recent failures of drugs that raised high-density lipoprotein (HDL) cholesterol levels to reduce cardiovascular events in clinical trials have led to increased interest in alternative indices of HDL quality, such as cholesterol efflux capacity, and HDL quantity, such as HDL particle number. However, no studi...

journal_title：Circulation

authors： Khera AV,Demler OV,Adelman SJ,Collins HL,Glynn RJ,Ridker PM,Rader DJ,Mora S

更新日期：2017-06-20 00:00:00

abstract：:Twenty-two patients who underwent anatomic correction of transposition of the great arteries at the arterial level at the age of 8 weeks to 14 years were reinvestigated 1-4.6 years (mean 2.0 years) after operation. A Dacron tube was used to bridge the gap between the proximal pulmonary route and the distal pulmonary a...

journal_title：Circulation

authors： Yacoub MH,Bernhard A,Radley-Smith R,Lange P,Sievers H,Heintzen P

更新日期：1982-08-01 00:00:00

abstract：BACKGROUND:Bradycardia and sinus node dysfunction are common causes of early postoperative morbidity in orthotopic heart transplant recipients and frequently require the use of chronotropic drugs or permanent pacemakers. Several causes have been postulated, including surgical trauma to the sinus node and its blood supp...

journal_title：Circulation

authors： Rothman SA,Jeevanandam V,Combs WG,Furukawa S,Hsia HH,Eisen HJ,Buxton AE,Miller JM

更新日期：1996-11-01 00:00:00

abstract：BACKGROUND:Cardiac hypertrophy and subsequent heart failure triggered by chronic hypertension represent major challenges for cardiovascular research. Beyond neurohormonal and myocyte signaling pathways, growing evidence suggests inflammatory signaling pathways as therapeutically targetable contributors to this process....

journal_title：Circulation

authors： Heymans S,Corsten MF,Verhesen W,Carai P,van Leeuwen RE,Custers K,Peters T,Hazebroek M,Stöger L,Wijnands E,Janssen BJ,Creemers EE,Pinto YM,Grimm D,Schürmann N,Vigorito E,Thum T,Stassen F,Yin X,Mayr M,de Windt LJ,

更新日期：2013-09-24 00:00:00

abstract：BACKGROUND:During septic shock, the vasoconstrictor response to norepinephrine is seriously blunted. Animal experiments suggest that hyperpolarization of smooth muscle cells by opening of potassium (K) channels underlies this phenomenon. In the present study, we examined whether K-channel blockers and/or nitric oxide (...

journal_title：Circulation

authors： Pickkers P,Dorresteijn MJ,Bouw MP,van der Hoeven JG,Smits P

更新日期：2006-08-01 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:Current methods of signal-averaged ECG analysis interrogate the terminal 40 msec of the QRS complex and/or the ST segment and have a low positive-predictive accuracy for detecting vulnerability to sustained ventricular tachycardia (VT). The extent to which abnormalities detected during these ECG intervals ar...

journal_title：Circulation

authors： Hood MA,Pogwizd SM,Peirick J,Cain ME

更新日期：1992-12-01 00:00:00

abstract：:Multiple areas of concealed intraventricular conduction are deduced on the basis of aftereffects observed in His bundle recordings. Electrocardiograms and His bundle recordings are presented from two patients with unstable bilateral bundle branch block, the instability of which depended on the interval at which ventri...

journal_title：Circulation

authors： Cohen HC,D'Cruz I,Pick A

更新日期：1976-05-01 00:00:00