Reproducibility of the signal-averaged electrocardiogram.

abstract：:The conducting tissue of the heart was studied in 25 human cases of Chagas' myocarditis with a method which employs complete serial sections mounted on continuous transparent plastic tape. The pathological changes were correlated with electrocardiographic findings. The inflammation of the acute phase of Chagas' myocar...

journal_title：American heart journal

authors： Andrade ZA,Andrade SG,Oliveira GB,Alonso DR

更新日期：1978-03-01 00:00:00

abstract：:In this overview we studied evidence for the occurrence of silent myocardial ischemia, its pathophysiologic mechanisms, and the circadian distribution of ischemic episodes. The correlation between many hemodynamic parameters and their potential as drug targets was assessed. ECG evidence of myocardial ischemia (ST segm...

journal_title：American heart journal

authors： Fox K,Mulcahy D,Keegan J,Wright C

更新日期：1989-11-01 00:00:00

abstract：:Left ventricular mass (LVM) measurements made by the truncated ellipsoid algorithm from clinical two-dimensional echocardiograms (2DE) were compared to autopsy weights in 37 patients. All six 2DE instruments were calibrated with an ultrasound phantom to standardize LVM measurements. Measurements were made by an experi...

journal_title：American heart journal

authors： Byrd BF 3rd,Finkbeiner W,Bouchard A,Silverman NH,Schiller NB

更新日期：1989-07-01 00:00:00

abstract：:The proximal flow convergence method of multiplying color Doppler aliasing velocity by flow convergence surface area has yielded a new means of quantifying flow rate by noninvasively derived measurements. Unlike previous methods of visualizing the turbulent jet of mitral regurgitation on color flow Doppler mapping, fl...

journal_title：American heart journal

authors： Zhang J,Jones M,Shandas R,Valdes-Cruz LM,Murillo A,Yamada I,Kang SU,Weintraub RG,Shiota T,Sahn DJ

更新日期：1993-02-01 00:00:00

abstract：BACKGROUND:Appropriate thromboprophylaxis for patients with atrial fibrillation or atrial flutter (AF) remains a national challenge. METHODS:We hypothesized that a shared decision-making interaction facilitated by an Atrial Fibrillation Shared Decision Making Tool (AFSDM) would improve patient knowledge about atrial f...

journal_title：American heart journal

authors： Eckman MH,Costea A,Attari M,Munjal J,Wise RE,Knochelmann C,Flaherty ML,Baker P,Ireton R,Harnett BM,Leonard AC,Steen D,Rose A,Kues J

更新日期：2018-05-01 00:00:00

abstract：:The role of prostaglandins in mediating the hemodynamic response to nitroglycerin in vivo is controversial. To determine the effect of inhibiting prostaglandin production on the response to nitroglycerin, either placebo or aspirin (650 mg) was administered 1 hour prior to the administration of nitroglycerin (432 micro...

journal_title：American heart journal

authors： Levin RI,Feit F

更新日期：1988-07-01 00:00:00

abstract：OBJECTIVE:We perform a systematic review to discern if ST resolution achieved via percutaneous coronary intervention (PCI) has a different meaning to that achieved via fibrinolysis. BACKGROUND:Resolution of ST-segment elevation in acute myocardial infarction has been widely used as a surrogate for treatment success. A...

journal_title：American heart journal

authors： Wong CK,de la Barra SL,Herbison P

更新日期：2010-11-01 00:00:00

abstract：:The prevalence of heart failure (HF) is high and still on the rise. In 2004, an estimated 5.2 million adults in the United States carried the diagnosis of HF with a mortality rate of >19%. The incidence of HF is higher in individuals 65 years or older. As the US population grows older, the personal and economic costs ...

journal_title：American heart journal

authors： Gradman AH,Papademetriou V

更新日期：2009-06-01 00:00:00

abstract：:Patients with intractable heart failure (New York Heart Association [NYHA] class III and IV) who were receiving maximal conventional treatment were enrolled in an outpatient program that included inotropic infusions, intensive patient education, and close follow-up. The effects of this approach to therapy were evaluat...

journal_title：American heart journal

authors： Marius-Nunez AL,Heaney L,Fernandez RN,Clark WA,Ranganini A,Silber E,Denes P

更新日期：1996-10-01 00:00:00

abstract：:dal-PLAQUE is a placebo-controlled multicenter study designed to assess the effect of dalcetrapib on imaging measures of plaque inflammation and plaque burden. dal-PLAQUE is a multimodality imaging study in the context of the large dal-HEART Program. Decreased high-density lipoprotein cholesterol is linked to increase...

journal_title：American heart journal

authors： Fayad ZA,Mani V,Woodward M,Kallend D,Bansilal S,Pozza J,Burgess T,Fuster V,Rudd JH,Tawakol A,Farkouh ME

更新日期：2011-08-01 00:00:00

abstract：:In 30 years of follow-up in the Framingham study, routine biennial ECG examinations revealed 315 subjects with ECG-LVH and 164 with unrecognized ECG-MI without previous cardiac explanation. Among subjects initially free of clinically evident coronary heart disease and both ECG abnormalities, the incidence of ECG-LVH w...

journal_title：American heart journal

authors： Kannel WB,Abbott RD

更新日期：1986-02-01 00:00:00

abstract：BACKGROUND:Cardiovascular disease is the leading cause of death among blacks and whites in the United States. Despite this, there are insufficient data on the long-term prognosis of black patients with coronary artery disease (CAD) as well as the major clinical related determinants of outcome. METHODS:We studied 22,61...

journal_title：American heart journal

authors： Thomas KL,Honeycutt E,Shaw LK,Peterson ED

更新日期：2010-10-01 00:00:00

abstract：BACKGROUND:In China, low socioeconomic status (SES) may be a barrier for patients with coronary heart disease (CHD) to receive adequate treatment because of their inadequate access to health resources. This study aims to evaluate whether and to what extent SES is associated with the treatment of CHD patients. METHODS:...

journal_title：American heart journal

authors： Niu S,Zhao D,Zhu J,Liu J,Liu Q,Liu J,Wang W,Smith SC Jr,BRIG project.

更新日期：2009-04-01 00:00:00

abstract：:Results of recent studies have suggested that routine cardiac catheterization may be unnecessary after reperfusion therapy for acute myocardial infarction. Therefore to better define the short-term prognostic value of early coronary angiography, and specifically the prognostic significance of multivessel coronary arte...

journal_title：American heart journal

authors： Muller DW,Topol EJ,Ellis SG,Sigmon KN,Lee K,Califf RM

更新日期：1991-04-01 00:00:00

abstract：BACKGROUND:Preoperative evaluation with contrast-enhanced multidetector computed tomographic angiography (MDCTA) is considered an "appropriate" indication based on expert consensus. We aimed to evaluate how the presurgical evaluation with MDCTA impacts the outcomes after reoperative cardiac surgery (RCS). METHODS:We r...

journal_title：American heart journal

authors： Maluenda G,Goldstein MA,Lemesle G,Weissman G,Weigold G,Landsman MJ,Hill PC,Pita F,Corso PJ,Boyce SW,Pichard AD,Waksman R,Taylor AJ

更新日期：2010-02-01 00:00:00

abstract：:Three cases of large multiple coronary aneurysms, situated on both right and left coronary arteries, were seen in three middle-aged adult patients. These patients were hospitalized for myocardial infarction in two cases and for angina pectoris in the third case. On the coronary angiogram, the coronary lesions were qui...

journal_title：American heart journal

authors： Letac B,Cazor JL,Cribier A,Sibille C,Toussaint C

更新日期：1980-06-01 00:00:00

abstract：BACKGROUND:Studies on the effect of heart failure clinics have been encouraging and convincing with respect to reduced hospitalizations, improved quality of life, and reduced cost. However, previous results have been derived from patient populations either recently discharged and with specific exclusion criteria or fro...

journal_title：American heart journal

authors： Galatius S,Gustafsson F,Nielsen PH,Atar D,Hildebrandt PR

更新日期：2002-08-01 00:00:00

abstract：BACKGROUND:Evidence from numerous studies of coronary angiography show differences between observers' assessments of 15% to 45%. The implication of this variation is serious: If readings are erroneous, some patients will undergo revascularization procedures unnecessarily and others will be denied an essential treatment...

journal_title：American heart journal

authors： Leape LL,Park RE,Bashore TM,Harrison JK,Davidson CJ,Brook RH

更新日期：2000-01-01 00:00:00

abstract：:Three hundred post infarction participants who had received type A behavioral counseling in the Recurrent Coronary Prevention Project, (RCPP) agreed to be followed for 1 additional year after stopping 4.5 years of continuous type A behavioral counseling. One hundred fourteen participants who had served for 4.5 years a...

journal_title：American heart journal

authors： Friedman M,Powell LH,Thoresen CE,Ulmer D,Price V,Gill JJ,Thompson L,Rabin DD,Brown B,Breall WS

更新日期：1987-09-01 00:00:00

abstract：BACKGROUND:New-onset postoperative atrial fibrillation (POAF) is associated with poor short- and long-term outcomes after isolated coronary artery bypass graft (CABG). This study evaluated whether new-onset POAF is independently associated with long-term (>1 year) atrial fibrillation (AF) and mortality. METHODS:Among ...

journal_title：American heart journal

authors： Lee SH,Kang DR,Uhm JS,Shim J,Sung JH,Kim JY,Pak HN,Lee MH,Joung B

更新日期：2014-04-01 00:00:00

abstract：:Myocardial reperfusion is associated with increased influx of activated neutrophils and intracellular accumulation of sodium in the ischemic zone. Lidocaine is a sodium channel blocker that also inhibits several neutrophil functions. We investigated the effect of lidocaine on infarct size in rabbits undergoing 30 minu...

journal_title：American heart journal

authors： Vitola JV,Forman MB,Holsinger JP,Atkinson JB,Murray JJ

更新日期：1997-03-01 00:00:00

abstract：:The P and the Ta waves of two patient groups with A-V block were magnified with a direct-current amplifier and recorded at a high paper speed. In Group A patients (those without serious cardiovascular complications except A-V block) the P and the Ta waves were recorded in the opposite direction in every lead and there...

journal_title：American heart journal

authors： Hayashi H,Okajima M,Yamada K

更新日期：1976-06-01 00:00:00

abstract：:Fourteen fetuses with atrioventricular canal malformations were examined by two-dimensional echocardiography, pulsed-wave Doppler echocardiography, and color Doppler flow mapping. Eleven fetuses had complete and three fetuses had partial atrioventricular canal malformations. Nonimmune hydrops fetalis was associated wi...

journal_title：American heart journal

authors： Gembruch U,Knöpfle G,Chatterjee M,Bald R,Redel DA,Födisch HJ,Hansmann M

更新日期：1991-05-01 00:00:00

abstract：BACKGROUND:Observational studies have shown apparently lower ischemic coronary disease risk in postmenopausal women receiving hormone replacement therapy (HRT). However, several recent studies have shown an increase in ischemic cardiac events when HRT is initiated in postmenopausal women with known coronary artery dise...

journal_title：American heart journal

authors： Williams MS,Vaidya D,Kickler T,Ouyang P

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND:The human KCNE1 protein forms the β-subunit of the IKs potassium channel and is important in the regulation of the atrial action potential duration. The purpose of this study was to investigate the association between the nonsynonymous 112G>A mutation of the KCNE1 gene and postcardiac surgery atrial fibrilla...

journal_title：American heart journal

authors： Voudris KV,Apostolakis S,Karyofillis P,Doukas K,Zaravinos A,Androutsopoulos VP,Michalis A,Voudris V,Spandidos DA

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:In the TRACER trial, vorapaxar, a protease-activated receptor-1 antagonist, plus standard care in non-ST-segment elevation acute coronary syndrome (NSTE ACS) patients did not significantly reduce the primary composite end point but reduced a key secondary end point and significantly increased bleeding. Histo...

journal_title：American heart journal

authors： Jones WS,Tricoci P,Huang Z,Moliterno DJ,Harrington RA,Sinnaeve PR,Strony J,Van de Werf F,White HD,Held C,Armstrong PW,Aylward PE,Chen E,Patel MR,Mahaffey KW

更新日期：2014-10-01 00:00:00

abstract：:In chronic heart failure (CHF) the contributing role of increased sympathetic activity and hemodynamic dysfunction in the genesis of ventricular arrhythmias has not been well established. To assess the relation between severe ventricular arrhythmias, hemodynamic impairment, and autonomic nervous system derangement, 14...

journal_title：American heart journal

authors： Mortara A,La Rovere MT,Pinna GD,Parziale P,Maestri R,Capomolla S,Opasich C,Cobelli F,Tavazzi L

更新日期：1997-11-01 00:00:00

abstract：:To evaluate the antiischemic effects of intravenous milrinone, 20 patients with angiographically proved coronary artery disease and stable angina were studied at rest and during exercise under control conditions and after an intravenous loading injection of milrinone (50 micrograms/kg/10 min) followed by an infusion w...

journal_title：American heart journal

authors： Mitrovic V,Stöhring R,Schlepper M

更新日期：1991-06-01 00:00:00

abstract：CLINICAL SCENARIO:A 67-year-old man is referred to your cardiology clinic complaining of worsening angina and dyspnea on exertion. Physical examination reveals a harsh grade IV/VI late-peaking crescendo-decresendo systolic murmur, loudest at the upper sternal border. The aortic closure sound is diminished. Echocardiogr...

journal_title：American heart journal

authors： Meine TJ,Harrison JK

更新日期：2004-07-01 00:00:00

abstract：BACKGROUND:Despite advances in treatment of cardiogenic shock (CS), the incidence of this serious complication of acute ST-elevation myocardial infarction (STEMI) has stayed relatively constant, and rates of mortality, although somewhat improved in recent decades, remain dauntingly high. Although both percutaneous coro...

journal_title：American heart journal

authors： Mehta RH,Lopes RD,Ballotta A,Frigiola A,Sketch MH Jr,Bossone E,Bates ER

更新日期：2010-01-01 00:00:00