Value of the Bruce protocol to determine peak exercise oxygen consumption in patients evaluated for cardiac transplantation.

abstract：:The effect of participation in cardiac rehabilitation on medical costs was determined by measuring hospitalization charges for cardiac admissions over a 3-year period in 580 post-coronary event patients (58% after coronary bypass surgery, 42% after myocardial infarction), of whom 230 entered a cardiac rehabilitation p...

journal_title：American heart journal

authors： Ades PA,Huang D,Weaver SO

更新日期：1992-04-01 00:00:00

abstract：:Endocarditis is a rare manifestation of disseminated Histoplasma capsulatum infection. A 22-year-old man presented with a seven month history of fever, weight loss, and progressive aortic insufficiency. The diagnosis of H. capsulatum was suggested by a diagnostic rise in complement fixation titers and positive echocar...

journal_title：American heart journal

authors： Blair TP,Waugh RA,Pollack M,Ashworth HE,Young NA,Anderson SE,Bem TP

更新日期：1980-06-01 00:00:00

abstract：BACKGROUND:The increasing burden of cardiovascular disease (CVD) in low- and middle-income countries is largely driven by the increasing prevalence of hypertension, diabetes, and tobacco use. We hypothesize that the utilization of community health workers (CHWs) to screen for and manage these 3 determinants of CVD in a...

journal_title：American heart journal

authors： Khetan A,Purushothaman R,Zullo M,Gupta R,Hejjaji V,Agarwal S,Mohan SK,Josephson R

更新日期：2017-03-01 00:00:00

abstract：BACKGROUND:Angiotensin-converting enzyme inhibitors and angiotensin receptor blockers effectively reduce blood pressure in patients with renovascular disease (RVD); yet, randomized cardiovascular prevention trials of these drugs typically exclude individuals with this condition. PATIENTS AND METHODS:We studied the ass...

journal_title：American heart journal

authors： Hackam DG,Duong-Hua ML,Mamdani M,Li P,Tobe SW,Spence JD,Garg AX

更新日期：2008-09-01 00:00:00

abstract：BACKGROUND:In patients with atrial fibrillation, incomplete adherence to anticoagulants increases risk of stroke. Non-warfarin oral anticoagulants (NOACs) are expensive; we evaluated whether higher copayments are associated with lower NOAC adherence. METHODS:Using a national claims database of commercially-insured pat...

journal_title：American heart journal

authors： Rome BN,Gagne JJ,Avorn J,Kesselheim AS

更新日期：2021-01-14 00:00:00

abstract：:The aim of this study was to determine whether paroxysmal atrial fibrillation (PAF) and/or restoration to sinus rhythm with electric or pharmacologic cardioversion induce modifications to the coagulation system. Thirty-five patients with PAF undergoing either electric (n = 11) or pharmacologic (n = 24) cardioversion w...

journal_title：American heart journal

authors： Giansante C,Fiotti N,Miccio M,Altamura N,Salvi R,Guarnieri G

更新日期：2000-09-01 00:00:00

abstract：:There are many similarities between the clinical features of viral heart disease and of rheumatic carditis, as defined in the revised Jones criteria for the diagnosis of rheumatic fever. Because of this, it is likely that viral heart disease has been, and still is, diagnosed as rheumatic. This situation can be avoided...

journal_title：American heart journal

authors： Ward C

更新日期：1976-05-01 00:00:00

abstract：:Biplane 30-degree RAO and 60-degree LAO RV selective cineangiography was performed in 21 patients with significant ventricular arrhythmias (ventricular tachycardia in 14, salvos in three, and complex PVCs in seven) and a high presumption of arrhythmogenic RV dysplasia (ARVD), and in a control group of 10 presumed norm...

journal_title：American heart journal

authors： Daubert C,Descaves C,Foulgoc JL,Bourdonnec C,Laurent M,Gouffault J

更新日期：1988-02-01 00:00:00

abstract：BACKGROUND:Improvement in risk stratification of patients with non-ST-segment elevation acute coronary syndrome (ACS) is a gateway to a more judicious treatment. This study examines whether the routine determination of left ventricular ejection fraction (EF) adds significant prognostic information to currently recommen...

journal_title：American heart journal

authors： Bosch X,Théroux P

更新日期：2005-08-01 00:00:00

abstract：OBJECTIVE:Our purpose was to determine the effect of postoperative beta-blocker withdrawal on mortality and cardiovascular events after vascular surgery. METHODS:Detailed data were collected on perioperative cardiovascular medication use and discontinuation and cardiovascular risk factors among consecutive major vascu...

journal_title：American heart journal

authors： Shammash JB,Trost JC,Gold JM,Berlin JA,Golden MA,Kimmel SE

更新日期：2001-01-01 00:00:00

abstract：:We altered the mechanical activity of the atrial myocardium in open-chest dogs and measured changes in coronary blood flow distribution, using the radioactive microsphere technique. When left and right atrial pressures were decreased to 2 mm Hg by hypovolemia, atrial coronary blood flow fell to values nearly 50% below...

journal_title：American heart journal

authors： Neill WA,Sewell DH,Gosalia KP,Kingsley EM,Oxendine JM

更新日期：1983-09-01 00:00:00

abstract：BACKGROUND:Congestive heart failure (CHF) and heart transplantation (HTX) are characterized by endothelial dysfunction as indicated by elevation of markers of endothelial function, including endothelin and von Willebrand factor (vWF). However, previous studies included both patients with idiopathic dilated cardiomyopat...

journal_title：American heart journal

authors： Galatius S,Wroblewski H,Sørensen VB,Bie P,Parving HH,Kastrup J

更新日期：1999-03-01 00:00:00

abstract：:The acute and chronic cellular electrophysiologic actions of ketanserin, a selective blocker of 5-hydroxytriptamine (5-HT2) receptor, were examined in the isolated rabbit ventricular muscle. This work was prompted by the recent observations that small numbers of patients treated with hypertension develop QTc prolongat...

journal_title：American heart journal

authors： Kamiya K,Venkatesh N,Singh BN

更新日期：1988-06-01 00:00:00

abstract：:A new shape-memory coil for transcatheter closure of the PDA was developed and evaluated in a dog PDA model. The coil is sensitive to temperature (composed of thermal shape-memory nickel-titanium). The coil was delivered to and implanted in the PDA model with a 5F catheter through the femoral artery. The PDA model was...

journal_title：American heart journal

authors： Liu C,Shiraishi H,Kikuchi Y,Yanagisawa M

更新日期：1996-05-01 00:00:00

abstract：BACKGROUND:Inflammation is an important feature of atherosclerotic lesions, and the vulnerability of coronary lesions in acute myocardial infarction (AMI) at the time of onset may be related to blood levels of C-reactive protein (CRP) on admission, before CRP levels are affected by myocardial damage. METHODS:A total o...

journal_title：American heart journal

authors： Tomoda H,Aoki N

更新日期：2000-08-01 00:00:00

abstract：BACKGROUND:Previous works have suggested an association between Chlamydia pneumoniae infection and coronary heart disease. We evaluated the prevalence of C. pneumoniae infection in patients with acute myocardial infarction (AMI) and coronary heart disease (CHD). METHODS AND RESULTS:Ninety-eight patients with AMI, 80 p...

journal_title：American heart journal

authors： Sessa R,Di Pietro M,Santino I,del Piano M,Varveri A,Dagianti A,Penco M

更新日期：1999-06-01 00:00:00

abstract：:Short-term follow-up after percutaneous aortic balloon valvuloplasty shows a high incidence of restenosis. Yet a high percentage of patients with restenosis continue to show symptomatic improvement. Those with decreased left ventricular function originally tend to have a recurrence of symptoms. In this study Doppler-d...

journal_title：American heart journal

authors： Barbosa MM,Nishimura RA,Holmes DR Jr,Reeder GS,Ilstrup DM,Tajik AJ

更新日期：1992-05-01 00:00:00

abstract：BACKGROUND:The follow-up of patients with mitral and tricuspid regurgitation is important for their clinical treatment. We aimed to evaluate the reproducibility of the flow convergence method in mitral and tricuspid regurgitation. METHODS:The proximal flow convergence region was imaged with color Doppler ultrasound sc...

journal_title：American heart journal

authors： Grossmann G,Hoffmeister A,Imhof A,Giesler M,Hombach V,Spiess J

更新日期：2004-04-01 00:00:00

abstract：:The clinical course and coronary arteriographic findings in eight patients with Prinzmetal's variant angina pectoris are reviewed and contrasted to previously reported cases. In six patients with S-T-elevation inferiorly, three had normal coronary arteriograms, one had complete right coronary artery occlusion, one ha...

journal_title：American heart journal

authors： Donsky MS,Harris MD,Curry GC,Blomqvist CG,Willerson JT,Mullins CB

更新日期：1975-05-01 00:00:00

abstract：BACKGROUND:The American Heart Association recommends women with congenital heart defects (CHD) receive contraceptive counseling early in their reproductive years, but little is known about contraceptive method use among women with CHD. We describe recent female sterilization and reversible prescription contraceptive me...

journal_title：American heart journal

authors： Anderson KN,Tepper NK,Downing K,Ailes EC,Abarbanell G,Farr SL

更新日期：2020-04-01 00:00:00

abstract：:The antiarrhythmic effects of mexiletine (n = 14) were compared to procainamide (n = 16) by a double-blind parallel protocol in 30 patients (group I) with frequent premature ventricular contractions (PVCs) (greater than 20/hr), and to amiodarone by an open-label sequential approach in 25 patients (mean left ventricula...

journal_title：American heart journal

authors： Nademanee K,Feld G,Hendrickson J,Intarachot V,Yale C,Heng MK,Singh BN

更新日期：1985-11-01 00:00:00

abstract：OBJECTIVE:To analyze the effect of delay times on racial differences in thrombolysis for acute myocardial infarction. BACKGROUND:Lower rates of thrombolytic therapy in blacks with acute myocardial infarction have recently been reported, but the reasons for this disparity are unknown. We hypothesized that lower rates o...

journal_title：American heart journal

authors： Syed M,Khaja F,Rybicki BA,Wulbrecht N,Alam M,Sabbah HN,Goldstein S,Borzak S

更新日期：2000-10-01 00:00:00

abstract：BACKGROUND:Galectin-3, a β-galactoside binding lectin involved in important regulatory roles in adhesion, inflammation, immunity, and fibrosis, may be relevant to atrial fibrillation (AF) etiology. METHODS:We included 8,436 participants free of AF at baseline (1996-1998) and with measures of plasma galectin-3 from the...

journal_title：American heart journal

authors： Fashanu OE,Norby FL,Aguilar D,Ballantyne CM,Hoogeveen RC,Chen LY,Soliman EZ,Alonso A,Folsom AR

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND:Atrial fibrillation (AF) ablation is superior to pharmacologic therapy in achieving maintenance of normal sinus rhythm in selected patient populations. However, the procedure is resource intensive, and repeat ablations are sometimes required. We examined the predictors and trends of repeat ablation using a l...

journal_title：American heart journal

authors： Al-Hijji MA,Deshmukh AJ,Yao X,Mwangi R,Sangaralingham LR,Friedman PA,Asirvatham SJ,Packer DL,Shah ND,Noseworthy PA

更新日期：2016-01-01 00:00:00

abstract：BACKGROUND:Dobutamine and exercise echocardiography are accepted as tests of comparable efficacy for the diagnosis of coronary artery disease. Although dobutamine has been classified as "exercise simulating," the mechanisms of ischemia with dobutamine and exercise have not been well studied. This study sought to compar...

journal_title：American heart journal

authors： Mairesse GH,Vanoverschelde JL,Robert A,Climov D,Detry JM,Marwick TH

更新日期：1998-07-01 00:00:00

abstract：BACKGROUND:The CPORT-E trial showed the noninferiority of nonprimary percutaneous coronary intervention (PCI) at hospitals without cardiac surgery on-site (SoS) compared with hospitals with SoS for 6-week mortality and 9-month major adverse cardiac events (MACE). However, target vessel revascularization (TVR) was incre...

journal_title：American heart journal

authors： Czarny MJ,Miller JM,Naiman DQ,Hwang CW,Hasan RK,Lemmon CC,Aversano T

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND:Analysis of high-frequency QRS amplitudes (HF-QRS) may provide an additional diagnostic tool in patients with heart disease, but the basic properties of these waveforms have not been sufficiently investigated. This study describes the spatial, individual, and temporal variation at rest of HF-QRS recorded wit...

journal_title：American heart journal

authors： Pettersson J,Carro E,Edenbrandt L,Maynard C,Pahlm O,Ringborn M,Sörnmo L,Warren SG,Wagner GS

更新日期：2000-02-01 00:00:00

abstract：BACKGROUND:The prodrug clopidogrel requires activation by cytochrome P-450 (CYP) enzymes for its antiplatelet effect. The genes encoding enzymes for clopidogrel activation are polymorphic, leading to reduced or increased function, depending on the respective genotype. Reduced-function alleles have been associated with ...

journal_title：American heart journal

authors： Tiroch KA,Sibbing D,Koch W,Roosen-Runge T,Mehilli J,Schömig A,Kastrati A

更新日期：2010-09-01 00:00:00

abstract：:Left ventricular (LV) thrombi are responsible for significant morbidity and mortality in our society. Twenty-five percent of cardiogenic emboli are associated with acute and chronic myocardial infarction. With the development of noninvasive imaging techniques LV thrombi have been increasingly recognized as an importan...

journal_title：American heart journal

authors： Cregler LL

更新日期：1992-04-01 00:00:00

abstract：:ECGs taken from four patients with concealed atrial bigeminy were analyzed to find the mechanisms of disappearance and reappearance of extrasystoles. Observations in three patients showing the classic form of concealed bigeminy suggest that when the extrasystole disappeared, the first sinus impulse after the last mani...

journal_title：American heart journal

authors： Kinoshita S,Kato Y,Nakagawa K,Yasukouchi T

更新日期：1984-05-01 00:00:00