Resuscitation Education Science: Educational Strategies to Improve Outcomes From Cardiac Arrest: A Scientific Statement From the American Heart Association.

abstract：BACKGROUND:Left ventricular (LV) mechanical dyssynchrony (LVMD) has emerged as a therapeutic target using cardiac resynchronization therapy (CRT) in selected patients with chronic heart failure. Current methods used to evaluate LVMD are technically difficult and do not assess LVMD of the whole LV simultaneously. We dev...

journal_title：Circulation

authors： Kapetanakis S,Kearney MT,Siva A,Gall N,Cooklin M,Monaghan MJ

更新日期：2005-08-16 00:00:00

abstract：:The cause and associated pathophysiology of precordial ST-segment depression (ST decreases) during acute inferior myocardial infarction (IMI) are controversial. To investigate this problem, electrocardiographic findings in 48 consecutive patients with acute IMI were prospectively compared with results of coronary angi...

journal_title：Circulation

authors： Gibson RS,Crampton RS,Watson DD,Taylor GJ,Carabello BA,Holt ND,Beller GA

更新日期：1982-10-01 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：:From January 1970 to April 1975, 132 patients underwent surgical repair of aneurysms of the ascending aorta at this institution, 24 of whom had acute dissections. In almost all cases the ascending aorta was replaced with a Dacron tube graft. Aortic valve replacement was performed in 100 patients and 23 patients underw...

journal_title：Circulation

authors： Kidd JN,Ruel GJ Jr,Cooley DA,Sandiford FM,Kyger ER 3rd,Wukasch DC

更新日期：1976-12-01 00:00:00

abstract：:Vasodilatory or vasoconstrictive renal pharmacoangiography was applied in investigating the significance of 50 renal artery stenoses. The technique involves comparison of selective magnification renal arteriograms before and after intra-arterial injection of epinephrine or acetylcholine, seeking changes in direction o...

journal_title：Circulation

authors： Bookstein JJ,Walter JF,Stanley JC,Fry WJ

更新日期：1976-08-01 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:The mechanisms responsible for tumor necrosis factor (TNF)-induced LV structural remodeling in the adult heart are not known. METHODS AND RESULTS:We generated a line of transgenic mice (MHCsTNF) with cardiac restricted overexpression of TNF that develop progressive LV dilation/remodeling from 4 to 12 weeks ...

journal_title：Circulation

authors： Sivasubramanian N,Coker ML,Kurrelmeyer KM,MacLellan WR,DeMayo FJ,Spinale FG,Mann DL

更新日期：2001-08-14 00:00:00

abstract：BACKGROUND:The wide range of clinical presentation of orthostatic vasovagal syncope suggests different underlying changes in the cardiac autonomic modulation. METHODS AND RESULTS:To evaluate the beat-by-beat modifications in the neural control of heart period preceding a syncopal event, we studied RR interval variabil...

journal_title：Circulation

authors： Furlan R,Piazza S,Dell'Orto S,Barbic F,Bianchi A,Mainardi L,Cerutti S,Pagani M,Malliani A

更新日期：1998-10-27 00:00:00

abstract：:The echographic isovolumic contraction time (ICT) of the left ventricle (LV) was measured in order to assess alterations of LV performance in children with various forms of cardiac disease. The echographic ICT was defined as the interval between coaptation of the anterior and posterior mitral valve leaflets and aortic...

journal_title：Circulation

authors： Hirschfeld S,Meyer R,Korfhagen J,Kaplan S,Liebman J

更新日期：1976-11-01 00:00:00

abstract：BACKGROUND:Recent studies of beta-adrenergic receptor (beta-AR) subtype signaling in in vitro preparations have raised doubts as to whether the cAMP/protein kinase A (PKA) signaling is activated in the same manner in response to beta2-AR versus beta1-AR stimulation. METHODS AND RESULTS:The present study compared, in t...

journal_title：Circulation

authors： Kuschel M,Zhou YY,Spurgeon HA,Bartel S,Karczewski P,Zhang SJ,Krause EG,Lakatta EG,Xiao RP

更新日期：1999-05-11 00:00:00

abstract：BACKGROUND:We previously found in a pig coronary balloon injury model that vitamins C and E as well as probucol had beneficial effects on the vessel response to injury measured by morphometry These effects correlated with an inhibition in the ability to oxidize LDLs ex vivo, suggesting that the morphological response w...

journal_title：Circulation

authors： Nunes GL,Robinson K,Kalynych A,King SB 3rd,Sgoutas DS,Berk BC

更新日期：1997-11-18 00:00:00

abstract：:Three patients developed late pulmonary vein obstruction (PVO) following Mustard's operation for transposition of the great arteries. In all three the absence of PVO had been documented by an earlier postoperative cardiac catheterization. At reoperation shrinkage and kinking of the dacron baffle was evident. After Mus...

journal_title：Circulation

authors： Driscoll DJ,Nihill MR,Vargo TA,Mullins CE,McNamara DG

更新日期：1977-03-01 00:00:00

abstract：BACKGROUND:Theoretically, the efficacy of continuous warm blood cardioplegia may be improved when administered retrogradely (RCWBC) rather than antegradely (ACWBC) in the setting of acute regional ischemia because of enhanced oxygen and substrate delivery to myocardial tissue distal to an acute coronary artery occlusio...

journal_title：Circulation

authors： Misare BD,Krukenkamp IB,Lazer ZP,Levitsky S

更新日期：1992-11-01 00:00:00

abstract：BACKGROUND:Mutations in the gene G4.5 result in a wide spectrum of severe infantile cardiomyopathic phenotypes, including isolated left ventricular noncompaction (LVNC), as well as Barth syndrome (BTHS) with dilated cardiomyopathy (DCM). The purpose of this study was to investigate patients with LVNC or BTHS for mutati...

journal_title：Circulation

authors： Ichida F,Tsubata S,Bowles KR,Haneda N,Uese K,Miyawaki T,Dreyer WJ,Messina J,Li H,Bowles NE,Towbin JA

更新日期：2001-03-06 00:00:00

abstract：:Paclitaxel drug-coated balloons and drug-eluting stents became commercially available for the treatment of intermittent claudication in 2015 and 2012, respectively. Both devices demonstrated superiority in limb revascularization compared with non-paclitaxel-coated devices and were rapidly accepted into clinical practi...

journal_title：Circulation

authors： Beckman JA,White CJ

更新日期：2019-10-15 00:00:00

abstract：BACKGROUND:Memory is a diverse biological phenomenon whose importance in the ventricle has been demonstrated. We hypothesized its occurrence in the atrium, contributing to the modulation of cardiac rhythm. METHODS AND RESULTS:We analyzed P and Ta waves in conscious chronically instrumented dogs with complete heart blo...

journal_title：Circulation

authors： Herweg B,Chang F,Chandra P,Danilo P Jr,Rosen MR

更新日期：2001-01-23 00:00:00

abstract：BACKGROUND:Whether passively collected data can substitute for adjudicated outcomes to reproduce the magnitude and direction of treatment effect observed in cardiovascular clinical trials is not well known. METHODS:We linked adults ≥65 years of age in the HiR (US CoreValve Pivotal High Risk) and SURTAVI trials (Surgic...

journal_title：Circulation

authors： Strom JB,Faridi KF,Butala NM,Zhao Y,Tamez H,Valsdottir LR,Brennan JM,Shen C,Popma JJ,Kazi DS,Yeh RW

更新日期：2020-07-21 00:00:00

abstract：BACKGROUND:Vasodilator drugs have variable effects on veins and arteries. However, direct measurements of their effects on the splanchnic veins, perhaps the most important volume reservoir, have not been reported. We assessed the effect of acute heart failure and the subsequent administration of hydralazine, enalaprila...

journal_title：Circulation

authors： Wang SY,Manyari DE,Scott-Douglas N,Smiseth OA,Smith ER,Tyberg JV

更新日期：1995-02-15 00:00:00

abstract：:Nine patients with severe mitral disease were studied before and six months after mitral valve replacement with a three-cusp stented prosthesis using fresh autologous fascia lata tissue. Only patients in whom there was no auscultatory and angiographic evidence of incompetence of the replaced valve were selected for re...

journal_title：Circulation

authors： Taylor SH,Galvin MC,Pakrashi BC,Tulpule AT,Ionescu MI,Whitaker W

更新日期：1975-11-01 00:00:00

abstract：BACKGROUND:ε protein kinase C (εPKC) is involved in vascular smooth muscle cell (VSMC) activation, but little is known about its function in vascular pathology. We aimed at assessing the role of εPKC in the development of restenosis. METHODS AND RESULTS:Rat models of aortic balloon injury with or without subsequent st...

journal_title：Circulation

authors： Deuse T,Koyanagi T,Erben RG,Hua X,Velden J,Ikeno F,Reichenspurner H,Robbins RC,Mochly-Rosen D,Schrepfer S

更新日期：2010-09-14 00:00:00

abstract：BACKGROUND:Pregnant women with congenital heart disease (CHD) are susceptible to cardiovascular, obstetric, and offspring complications. In women with CHD, cardiac dysfunction may compromise uteroplacental flow and contribute to the increased incidence of obstetric and offspring events. METHODS AND RESULTS:We performe...

journal_title：Circulation

authors： Pieper PG,Balci A,Aarnoudse JG,Kampman MA,Sollie KM,Groen H,Mulder BJ,Oudijk MA,Roos-Hesselink JW,Cornette J,van Dijk AP,Spaanderman ME,Drenthen W,van Veldhuisen DJ,ZAHARA II investigators.

更新日期：2013-12-03 00:00:00

abstract：:In 526 patients undergoing a first percutaneous transluminal coronary angioplasty (PTCA) of a single native vessel, we studied the influence of length and eccentricity of the lesion on complications and primary success. Long stenoses (greater than or equal to 5 mm, n = 153) did not differ from short stenoses (less tha...

journal_title：Circulation

authors： Meier B,Gruentzig AR,Hollman J,Ischinger T,Bradford JM

更新日期：1983-03-01 00:00:00

abstract：:One thousand four Medtronic Hall valves (601 mitral, 398 aortic, and five tricuspid) were implanted in 847 patients between December 1979 and June 1987. Total experience at the end of June 1987 was 2,640 patient-years of follow-up. Prothrombin time ratios were reviewed for all patients (16,866 observations), and these...

journal_title：Circulation

authors： Butchart EG,Lewis PA,Grunkemeier GL,Kulatilake N,Breckenridge IM

更新日期：1988-09-01 00:00:00

abstract：BACKGROUND:The use of atherosclerotic cardiovascular disease (ASCVD) risk to personalize systolic blood pressure (SBP) treatment goals is a topic of increasing interest. Therefore, we studied whether coronary artery calcium (CAC) can further guide the allocation of anti-hypertensive treatment intensity. METHODS:We inc...

journal_title：Circulation

authors： McEvoy JW,Martin SS,Dardari ZA,Miedema MD,Sandfort V,Yeboah J,Budoff MJ,Goff DC Jr,Psaty BM,Post WS,Nasir K,Blumenthal RS,Blaha MJ

更新日期：2017-01-10 00:00:00

abstract：BACKGROUND:A family history of coronary heart disease (CHD) is an independent risk factor for cardiovascular events. However, the mechanisms underlying this susceptibility have not been fully elucidated. We hypothesized that an important mediator of the familial predisposition to CHD is subclinical atherosclerosis, whi...

journal_title：Circulation

authors： Wang TJ,Nam BH,D'Agostino RB,Wolf PA,Lloyd-Jones DM,MacRae CA,Wilson PW,Polak JF,O'Donnell CJ

更新日期：2003-08-05 00:00:00

abstract：BACKGROUND:The suggestion that increased QT dispersion (QTD) is due to increased differences in local action potential durations within the myocardium is wanting. An alternative explanation was sought by relating QTD to vectorcardiographic T-loop morphology. METHODS AND RESULTS:The T loop is characterized by its ampli...

journal_title：Circulation

authors： Kors JA,van Herpen G,van Bemmel JH

更新日期：1999-03-23 00:00:00

abstract：:We studied the effects of experimentally induced emotional stress (mental arithmetic) on different hemodynamic parameters, catecholamine levels, and serum and platelet function tests in 25 postinfarction patients and in 10 apparently healthy, age-matched control subjects. Mental stress (10 minutes) induced significant...

journal_title：Circulation

authors： Grignani G,Soffiantino F,Zucchella M,Pacchiarini L,Tacconi F,Bonomi E,Pastoris A,Sbaffi A,Fratino P,Tavazzi L

更新日期：1991-04-01 00:00:00

abstract：BACKGROUND:At physiological concentrations, 17beta-estradiol selectively enhances endothelium-dependent coronary vasodilation by an unknown mechanism in postmenopausal women. METHODS AND RESULTS:To assess the contribution of nitric oxide (NO) to the vascular effects of estradiol, we measured coronary epicardial and mi...

journal_title：Circulation

authors： Guetta V,Quyyumi AA,Prasad A,Panza JA,Waclawiw M,Cannon RO 3rd

更新日期：1997-11-04 00:00:00

abstract：BACKGROUND:We studied the effect of an antioxidant, the intracoronary infusion of vitamin C, on basal and dobutamine-stimulated left ventricular (LV) contractility. METHODS AND RESULTS:Nineteen patients with normal ventricular function participated in this study. A micromanometer-tipped catheter was inserted into the ...

journal_title：Circulation

authors： Mak S,Newton GE

更新日期：2001-02-13 00:00:00

abstract：:The electrophysiologic effects of amiodarone were examined in 13 dogs that received 30 g amiodarone orally during 3 weeks and compared with 13 control dogs that did not receive amiodarone. Longitudinal and transverse epicardial conduction velocities were estimated with a square array of 64 closely spaced electrodes an...

journal_title：Circulation

authors： Anderson KP,Walker R,Dustman T,Lux RL,Ershler PR,Kates RE,Urie PM

更新日期：1989-04-01 00:00:00