Body surface distributions of repolarization forces during acute myocardial infarction. I. Isopotential and isoarea mapping.

abstract：:A clinical study was conducted to evaluate the efficacy and safety of percutaneous coronary excimer laser angioplasty in 60 patients with coronary artery disease. Forty-nine patients had stable exertional angina, and 11 patients had unstable angina despite medical therapy. A novel 1.4-mm diameter catheter with 20 quar...

journal_title：Circulation

authors： Karsch KR,Haase KK,Voelker W,Baumbach A,Mauser M,Seipel L

更新日期：1990-06-01 00:00:00

abstract：BACKGROUND:Airborne particulate matter has been linked to excess morbidity and mortality. Recent attention has focused on the effects of particulate exposure on cardiac autonomic control. Inhaled particulates may affect the autonomic nervous system either directly, by eliciting a sympathetic stress response, or indirec...

journal_title：Circulation

authors： Magari SR,Hauser R,Schwartz J,Williams PL,Smith TJ,Christiani DC

更新日期：2001-08-28 00:00:00

abstract：BACKGROUND:The future risk of myocardial infarction is commonly assessed using cardiovascular risk scores, coronary artery calcium score, or coronary artery stenosis severity. We assessed whether noncalcified low-attenuation plaque burden on coronary CT angiography (CCTA) might be a better predictor of the future risk ...

journal_title：Circulation

authors： Williams MC,Kwiecinski J,Doris M,McElhinney P,D'Souza MS,Cadet S,Adamson PD,Moss AJ,Alam S,Hunter A,Shah ASV,Mills NL,Pawade T,Wang C,Weir McCall J,Bonnici-Mallia M,Murrills C,Roditi G,van Beek EJR,Shaw LJ,Nicol E

更新日期：2020-05-05 00:00:00

abstract：BACKGROUND:Hypertension decreases myocardial perfusion capacity in adults for several reasons, including insufficient coronary angiogenesis with left ventricular (LV) hypertrophy, arteriolar hypertrophy, and altered vasomotion. Heparin influences growth factors that promote angiogenesis and vasodilation and inhibit art...

journal_title：Circulation

authors： Flanagan MF,Aoyagi T,Arnold LW,Maute C,Fujii AM,Currier J,Bergau D,Warren HB,Rakusan K

更新日期：1999-08-31 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：:The clinical use of citrate-phosphate-dextrose during blood-product transfusion is known to affect ionized calcium levels and can result in depression of myocardial contractility. The immature heart appears to have an intrinsic reduction in contractile state compared with the adult heart and may be more dependent on t...

journal_title：Circulation

authors： Rebeyka IM,Yeh T Jr,Hanan SA,Borges MR,Lee KF,Tuchy GE,Abd-Elfattah AS,Wechsler AS

更新日期：1990-11-01 00:00:00

abstract：BACKGROUND:Cystathionine γ-lyase (CSE) produces H2S via enzymatic conversion of L-cysteine and plays a critical role in cardiovascular homeostasis. We investigated the effects of genetic modulation of CSE and exogenous H2S therapy in the setting of pressure overload-induced heart failure. METHODS AND RESULTS:Transvers...

journal_title：Circulation

authors： Kondo K,Bhushan S,King AL,Prabhu SD,Hamid T,Koenig S,Murohara T,Predmore BL,Gojon G Sr,Gojon G Jr,Wang R,Karusula N,Nicholson CK,Calvert JW,Lefer DJ

更新日期：2013-03-12 00:00:00

abstract：BACKGROUND:High-pressure distension during harvesting damages the saphenous vein (SV) and may contribute to subsequent coronary artery bypass graft (CABG) occlusion. Application of vasodilator agents to the SV during harvesting may reduce the need for high-pressure distension and improve graft quality. We tested the ef...

journal_title：Circulation

authors： Roubos N,Rosenfeldt FL,Richards SM,Conyers RA,Davis BB

更新日期：1995-11-01 00:00:00

abstract：:Vigorous hyperventilation was induced for five minutes immediately after a five-minute infusion of 100 ml of Tris-buffer (pH 10) in nine patients with Prinzmetal's variant angina. In eight of the patients, chest pain with ischemic changes in the electrocardiogram occurred during this procedure or within five minutes a...

journal_title：Circulation

authors： Yasue H,Nagao M,Omote S,Takizawa A,Miwa K,Tanaka S

更新日期：1978-07-01 00:00:00

abstract：:We studied six patients who suffered from angina pectoris but had angiographically patent major coronary arteries. Two of the patients suffered also from congestive heart failure. Three patients had supraventricular tachyarrhythmias. Three patients had conduction disturbances. During coronary angiography the patients ...

journal_title：Circulation

authors： Mosseri M,Yarom R,Gotsman MS,Hasin Y

更新日期：1986-11-01 00:00:00

abstract：BACKGROUND:In heart failure, sarcoplasmic reticulum (SR) Ca(2+)-ATPase (SERCA2a) activity is decreased, resulting in abnormal calcium handling and contractile dysfunction. We have previously shown that increasing SERCA2a expression by gene transfer improves ventricular function in a rat model of heart failure created b...

journal_title：Circulation

authors： del Monte F,Williams E,Lebeche D,Schmidt U,Rosenzweig A,Gwathmey JK,Lewandowski ED,Hajjar RJ

更新日期：2001-09-18 00:00:00

abstract：:Transthyretin amyloid cardiomyopathy (ATTR-CM) results in a restrictive cardiomyopathy caused by extracellular deposition of transthyretin, normally involved in the transportation of the hormone thyroxine and retinol-binding protein, in the myocardium. Enthusiasm about ATTR-CM has grown as a result of 3 simultaneous a...

journal_title：Circulation

authors： Kittleson MM,Maurer MS,Ambardekar AV,Bullock-Palmer RP,Chang PP,Eisen HJ,Nair AP,Nativi-Nicolau J,Ruberg FL,American Heart Association Heart Failure and Transplantation Committee of the Council on Clinical Cardiology.

更新日期：2020-07-07 00:00:00

abstract：BACKGROUND:Swimming-induced pulmonary edema (SIPE) occurs during swimming or scuba diving, often in young individuals with no predisposing conditions, and its pathophysiology is poorly understood. This study tested the hypothesis that pulmonary artery and pulmonary artery wedge pressures are higher in SIPE-susceptible ...

journal_title：Circulation

authors： Moon RE,Martina SD,Peacher DF,Potter JF,Wester TE,Cherry AD,Natoli MJ,Otteni CE,Kernagis DN,White WD,Freiberger JJ

更新日期：2016-03-08 00:00:00

abstract：BACKGROUND:Rapamycin (sirolimus)-eluting stents are associated with reduced restenosis rates in animal studies and initial human trials. The present study evaluated whether orally administered everolimus (a macrolide of the same family as sirolimus) inhibits in-stent neointimal growth in rabbit iliac arteries. METHODS...

journal_title：Circulation

authors： Farb A,John M,Acampado E,Kolodgie FD,Prescott MF,Virmani R

更新日期：2002-10-29 00:00:00

abstract：:Cross-sectional echocardiographic studies of the aortic arch and proximal descending aorta were performed in 18 patients with coarctation of the aorta and 20 normal subjects. In normals the aortic arch and proximal descending aorta appeared as an arcuate, echo-free structure curving across the plane of the scan. There...

journal_title：Circulation

authors： Weyman AE,Caldwell RL,Hurwitz RA,Girod DA,Dillon JC,Feigenbaum H,Green D

更新日期：1978-03-01 00:00:00

abstract：BACKGROUND:The relationship between autonomic activation and the mechanisms of paroxysmal atrial fibrillation remains unclear. METHODS AND RESULTS:We implanted a pacemaker and a radio transmitter in 7 dogs (group 1). After baseline recording, we paced the left atrium at 20 Hz for 1 week and then monitored left stellat...

journal_title：Circulation

authors： Tan AY,Zhou S,Ogawa M,Song J,Chu M,Li H,Fishbein MC,Lin SF,Chen LS,Chen PS

更新日期：2008-08-26 00:00:00

abstract：:Minoxidil, a potent predominant arterial dilator, improves hemodynamics over the short term in patients with heart failure. In random double-blind fashion 17 patients with chronic left heart failure were given minoxidil (nine patients) or placebo (eight patients) in addition to digoxin and diuretics for 3 months. Card...

journal_title：Circulation

authors： Franciosa JA,Jordan RA,Wilen MM,Leddy CL

更新日期：1984-07-01 00:00:00

abstract：BACKGROUND:Growth factors such as platelet-derived growth factor (PDGF) have been postulated to be important mediators of neointimal formation in balloon-injured artery. Binding of growth factors to their receptors activates intrinsic receptor tyrosine kinase, resulting in tyrosine phosphorylation of receptors themselv...

journal_title：Circulation

authors： Abe J,Deguchi J,Matsumoto T,Takuwa N,Noda M,Ohno M,Makuuchi M,Kurokawa K,Takuwa Y

更新日期：1997-09-16 00:00:00

abstract：BACKGROUND:Patients with repaired coarctation are at increased risk of hypertension and cardiovascular disease despite successful repair. We studied the function of conduit arteries in upper and lower limbs of patients late after successful coarctation repair and its relation to age at surgery. METHODS AND RESULTS:Flo...

journal_title：Circulation

authors： de Divitiis M,Pilla C,Kattenhorn M,Zadinello M,Donald A,Leeson P,Wallace S,Redington A,Deanfield JE

更新日期：2001-09-18 00:00:00

abstract：:Variations in the frequency of ventricular premature depolarizations (VPDs) were evaluated with three consecutive 24-hour long-term electrocardiography monitor recordings from 15 clinically stable patients with various cardiac disorders. Mean hourly VPD frequencies ranged from 37--1,801 per hour. Data were subjected t...

journal_title：Circulation

authors： Morganroth J,Michelson EL,Horowitz LN,Josephson ME,Pearlman AS,Dunkman WB

更新日期：1978-09-01 00:00:00

abstract：BACKGROUND:Bronchopulmonary dysplasia (BPD) and pulmonary emphysema, both significant global health problems, are characterized by a loss of alveoli. Vascular endothelial growth factor (VEGF) is a trophic factor required for endothelial cell survival and is abundantly expressed in the lung. METHODS AND RESULTS:We repo...

journal_title：Circulation

authors： Thébaud B,Ladha F,Michelakis ED,Sawicka M,Thurston G,Eaton F,Hashimoto K,Harry G,Haromy A,Korbutt G,Archer SL

更新日期：2005-10-18 00:00:00

abstract：:Ventricular tachycardia is unusual in infancy. Three infants are described in whom this arrhythmia was documented by electrophysiologic studies. The ability to start and terminate this rhythm by critically timed premature ventricular stimulation suggests a reentrant mechanism. All three patients have remained free of ...

journal_title：Circulation

authors： Gaum WE,Schwartz DC,Kaplan S

更新日期：1980-08-01 00:00:00

abstract：BACKGROUND:A mortality follow-up of 12,866 men was conducted 16 years after randomization to special intervention (SI) or usual care (UC) groups of the Multiple Risk Factor Intervention Trial to assess the long-term effect of cardiovascular risk factor intervention on coronary heart disease (CHD), cardiovascular death ...

journal_title：Circulation

authors：

更新日期：1996-09-01 00:00:00

abstract：BACKGROUND:Early-generation drug-eluting stents releasing sirolimus (SES) or paclitaxel (PES) are associated with increased risk of very late stent thrombosis occurring >1 year after stent implantation. It is unknown whether the risk of very late stent thrombosis persists with newer-generation everolimus-eluting stents...

journal_title：Circulation

authors： Räber L,Magro M,Stefanini GG,Kalesan B,van Domburg RT,Onuma Y,Wenaweser P,Daemen J,Meier B,Jüni P,Serruys PW,Windecker S

更新日期：2012-03-06 00:00:00

abstract：:Postoperative angiographic studies were carried out at 1 month, 1 year, and 10 years in two groups of patients: 238 patients with saphenous vein (SV) grafts and 40 patients with internal mammary artery (IMA) grafts. Cumulative patency was better in IMA grafts, both at 1 year (88.5% vs 76.4%) and at 10 years (84.1% vs ...

journal_title：Circulation

authors： Grondin CM,Campeau L,Lespérance J,Enjalbert M,Bourassa MG

更新日期：1984-09-01 00:00:00

abstract：:Emerging evidence indicates that etiology plays an essential role in the results of mitral valve repair. In an attempt to evaluate the possibilities and problems of repair in a rheumatic population, all consecutive patients treated between July 1988 and July 1990 were reviewed. Three hundred and four patients at risk ...

journal_title：Circulation

authors： Duran CM,Gometza B,De Vol EB

更新日期：1991-11-01 00:00:00

abstract：BACKGROUND:Atherosclerosis is a multifactorial disease in which inflammatory processes play an important role. Inflammation underlies lesion evolution at all stages, from establishment to plaque rupture and thrombosis. Costimulatory molecules of the tumor necrosis factor superfamily such as CD40/CD40L and OX40/OX40L ha...

journal_title：Circulation

authors： Olofsson PS,Söderström LA,Wågsäter D,Sheikine Y,Ocaya P,Lang F,Rabu C,Chen L,Rudling M,Aukrust P,Hedin U,Paulsson-Berne G,Sirsjö A,Hansson GK

更新日期：2008-03-11 00:00:00

abstract：BACKGROUND:Venous coronary artery bypass grafts (CABGs) are prone to accelerated atherosclerosis. In atherosclerotic diseases, serum C-reactive protein (CRP) levels have become an important diagnostic and prognostic marker. The origin of CRP in this setting remains to be elucidated. METHODS AND RESULTS:Monoclonal anti...

journal_title：Circulation

authors： Jabs WJ,Theissing E,Nitschke M,Bechtel JF,Duchrow M,Mohamed S,Jahrbeck B,Sievers HH,Steinhoff J,Bartels C

更新日期：2003-09-23 00:00:00

abstract：BACKGROUND:The incidence and cause of sudden cardiac death (SCD) in athletes is debated with hypertrophic cardiomyopathy often reported as the most common cause. METHODS AND RESULTS:A database of all National Collegiate Athletic Association deaths (2003-2013) was developed. Additional information and autopsy reports w...

journal_title：Circulation

authors： Harmon KG,Asif IM,Maleszewski JJ,Owens DS,Prutkin JM,Salerno JC,Zigman ML,Ellenbogen R,Rao AL,Ackerman MJ,Drezner JA

更新日期：2015-07-07 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