Abstract:
:Mechanisms of ventricular arrhythmias were assessed by the application of ECG criteria derived from experimental electrophysiology. These interval criteria describe for ideal and modulated parasystole, resetable spontaneous automaticity, early and delayed afterdepolarizations and reentry, how QRS complexes of ectopic ventricular origin relate to those of supraventricular origin. Ventricular arrhythmias were studied in: (a) long-term, 1-lead ECG recordings of 85 patients with uncomplicated and untreated acute myocardial infarction (AMI) (group 1); (b) one-hour, 4-lead ECG recordings of 23 comparable patients with AMI (group 2), and (c) one-hour, 4-lead ECG recordings of 10 patients with chronic ventricular arrhythmias (group 3). All QRS complexes of ectopic ventricular origin having identical morphology (V type) were assumed to be the manifestation of a single site in the ventricle. The supraventricular rhythm in groups 2 and 3 was varied by programmed atrial stimulation to increase the range of intervals and patterns of the V types in the ECG. Positive evidence for a particular mechanism was obtained by applying tested criteria in 38% of 263 V types in group 1 (mainly reentry, but also early and delayed afterdepolarizations). In group 2, there was positive evidence in 67% of 84 V types (mainly reentry, but also early and delayed afterdepolarizations) and also in 67% of 18 V types in group 3, (mainly reentry). The application of these ECG criteria to ventricular arrhythmias identifies mechanisms in a satisfactory proportion. The yield can be increased by artificial variation of the heart rate.
journal_name
Eur Heart Jjournal_title
European heart journalauthors
van Hemel NM,Swenne CA,Robles de Medina EOdoi
10.1093/oxfordjournals.eurheartj.a062344subject
Has Abstractpub_date
1987-08-01 00:00:00pages
813-20issue
8eissn
0195-668Xissn
1522-9645journal_volume
8pub_type
杂志文章abstract:AIMS:Recent data suggest that the administration of bone marrow-derived stem cells (BMSC) might improve myocardial perfusion and left ventricular (LV) function after acute myocardial infarction (AMI). The aim of this study was to assess spontaneous mobilization of BMSC expressing the haematopoietic and endothelial prog...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehi164
更新日期:2005-06-01 00:00:00
abstract::The prognostic significance of angina pectoris and the effect of intervention with verapamil on the incidence of angina pectoris were studied in patients recovering from myocardial infarction and included in the Danish Verapamil Infarction Trial II. During the second week after admission patients were doubly-blindly r...
journal_title:European heart journal
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1093/oxfordjournals.eurheartj.a060486
更新日期:1994-02-01 00:00:00
abstract:AIMS:To assess the safety and effects of combined treatment with vascular endothelial growth factor-A(165) plasmid (VEGF-A(165)) and granulocyte- colony stimulating factor (G-CSF) mobilization of bone marrow stem cells in patients with severe chronic ischaemic heart disease (IHD). METHODS AND RESULTS:Sixteen patients ...
journal_title:European heart journal
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurheartj/ehl117
更新日期:2006-08-01 00:00:00
abstract::In 70 patients, tricuspid regurgitation was diagnosed with Doppler by recording reverse flow in systole originating at the tricuspid orifice, directed into the right atrium. The peak velocities were recorded, and the peak pressure drop from the right ventricle to the right atrium in systole was calculated from the sim...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a062126
更新日期:1986-08-01 00:00:00
abstract:AIMS:Nuclear receptors and their cofactors regulate key pathophysiological processes in atherosclerosis development. The transcriptional activity of these nuclear receptors is controlled by the nuclear receptor corepressors (NCOR), scaffolding proteins that form the basis of large corepressor complexes. Studies with pr...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehz667
更新日期:2020-03-01 00:00:00
abstract:AIMS:To investigate the association between neutrophil count, outcomes, and benefit of clopidogrel therapy in ST-elevation myocardial infarction (STEMI). METHODS AND RESULTS:Baseline neutrophil count was measured in 2865 patients in CLARITY-TIMI 28, a randomized trial of clopidogrel vs. placebo in STEMI patients under...
journal_title:European heart journal
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1093/eurheartj/ehn112
更新日期:2008-04-01 00:00:00
abstract:AIMS:Angiotensin-converting enzyme (ACE) inhibitors have been shown to reduce cardiovascular risk in different groups of patients. Whether these effects can be generalized to the broad group of patients with vascular disease is unknown. Therefore, we undertook a combined analysis using individual data from ADVANCE, EUR...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehp103
更新日期:2009-06-01 00:00:00
abstract:AIMS:Serum gamma-glutamyltransferase (GGT) concentration may be involved in atherosclerosis. This study examined if serum GGT predicted coronary heart disease (CHD), especially differentiating non-fatal myocardial infarction (MI) and fatal CHD event, among the general population or participants with type-2 diabetes. M...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehl086
更新日期:2006-09-01 00:00:00
abstract::Although the number of individuals reaching 80 who are considered to be healthy is increasing, the very elderly are likely to have long-term conditions, to report symptoms and/or be taking at least one regular medication. The impact of antihypertensive treatment has to be taken into account in this context. The treatm...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/eht464
更新日期:2014-07-01 00:00:00
abstract::Factors that exacerbate the risk of atherosclerotic plaque formation include cigarette smoking, hypertension, hypercholesterolaemia, sedentary lifestyle, and oestrogen deficiency. The potentially important role of oestrogen deficiency in this process is evidenced by the significant increase in cardiovascular risk obse...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/17.suppl_d.32
更新日期:1996-08-01 00:00:00
abstract::The aim of this study was to determine whether sudden cardiac death from pulmonary embolism exhibits any chronobiological rhythm. Five hundred and seven consecutive subjects dying suddenly outside of hospital and brought into our Emergency Department from January 1983 to December 1989 were studied. The time and date o...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/oxfordjournals.eurheartj.a060232
更新日期:1992-05-01 00:00:00
abstract::AIMS Pre-treatment with clopidogrel results in a reduction of ischaemic events in non-ST-elevation acute coronary syndromes. Data on upstream clopidogrel in the setting of primary percutaneous coronary intervention (PCI) are limited. The aim of this study was to investigate whether clopidogrel loading before arrival a...
journal_title:European heart journal
pub_type: 杂志文章,多中心研究
doi:10.1093/eurheartj/ehr360
更新日期:2011-12-01 00:00:00
abstract::Antithrombotic therapy and invasive risk stratification in selected high-risk patients have improved outcomes from non-ST-segment elevation acute coronary syndromes (NSTE-ACS), but carry a risk of bleeding and blood transfusion. Although the true incidence of bleeding depends on the population studied (i.e. clinical t...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/ehm019
更新日期:2007-05-01 00:00:00
abstract::Activation of the sympathetic nervous system may contribute to the renal vasoconstriction and sodium retention seen in congestive heart failure. Previous studies in congestive heart failure patients employing large doses of prazosin that lowered systemic blood pressure have been generally disappointing. The renal haem...
journal_title:European heart journal
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1093/eurheartj/14.9.1245
更新日期:1993-09-01 00:00:00
abstract:AIMS:Non-vitamin K antagonist oral anticoagulants (NOACs) require dose reductions according to patient or clinical factors for patients with atrial fibrillation (AF). In this meta-analysis, we aimed to assess outcomes with reduced-dose NOACs when given as pre-specified in pivotal trials. METHODS AND RESULTS:Aggregated...
journal_title:European heart journal
pub_type: 杂志文章,meta分析
doi:10.1093/eurheartj/ehy802
更新日期:2019-05-14 00:00:00
abstract:AIMS:The aim of the study was to evaluate the long-term results of allograft and prosthetic valve replacement in the treatment of infective aortic valve endocarditis with periannular abscess. METHODS:Between March 1988 and March 1996, 65 patients underwent surgery for active aortic valve endocarditis and paravalvular ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1053/euhj.1999.1877
更新日期:2000-03-01 00:00:00
abstract:AIMS:we investigated the relationship between sublingual perfused capillary density (PCD) as a measure of tissue perfusion and outcome (i.e. occurrence of organ failure and mortality) in patients with cardiogenic shock from acute myocardial infarction. METHODS AND RESULTS:we performed a prospective study in 68 patient...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehq324
更新日期:2010-12-01 00:00:00
abstract:Aims:To appraise the clinical and genetic evidence that low-density lipoproteins (LDLs) cause atherosclerotic cardiovascular disease (ASCVD). Methods and results:We assessed whether the association between LDL and ASCVD fulfils the criteria for causality by evaluating the totality of evidence from genetic studies, pro...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/ehx144
更新日期:2017-08-21 00:00:00
abstract::To assess the value of exercise stress testing and of mental stress as predictors of hypertension, we studied 130 normotensive males 14-18 years of age. Sixty-five had at least one hypertensive parent (SHT), while 65 had normotensive parents (SNT). Systolic (SBP) and diastolic (DBP) blood pressure, rate-pressure produ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a061894
更新日期:1985-06-01 00:00:00
abstract::Hypertension induced in rats by suprarenal banding has a blood pressure elevating effect that is accompanied by the occurrence of cardiac hypertrophy and fibrosis. This phenomenon is already present at 2 weeks after banding and persists up to 1.5 years. The increase in cardiac weight is mostly due to the development o...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/16.suppl_c.33
更新日期:1995-05-01 00:00:00
abstract:AIMS:This investigation was set up to study the prevalence of left ventricular hypertrophy in a hypertensive population with reference to a normotensive control group. From the general population 3498 men and women aged 35, 45, 55 and 65 years old were invited to a health examination. Participants with blood pressure a...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a014672
更新日期:1996-01-01 00:00:00
abstract:AIMS:To test the hypothesis that increasing age in patients presenting with high-risk non-ST-segment elevation acute coronary syndromes (NSTE-ACS) does not adversely influence the benefit of an early invasive strategy on major adverse events at 6 months. METHODS AND RESULTS:We report clinical outcomes in young (<70), ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehn124
更新日期:2008-05-01 00:00:00
abstract::The haemodynamic effects on the peripheral vascular bed of L-acetylcarnitine, L-propionylcarnitine, and nitroglycerin were tested by echo-Doppler in a double blind cross-over study. Eleven male patients suffering from peripheral arterial obliterative disease (PAOD) in the second stage of Fontaine's classification, and...
journal_title:European heart journal
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1093/oxfordjournals.eurheartj.a060392
更新日期:1994-10-01 00:00:00
abstract:UNLABELLED:To study the ablation effects induced by excimer laser coronary angioplasty (ELCA), we examined 41 segments of nine isolated coronary arteries. An electronic intracoronary ultrasound device (ICUS: 20 MHz, 3.5F, Endosonics) was positioned coaxially within the vessel. Angioplasty was performed using a 1.7 mm E...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a060884
更新日期:1995-02-01 00:00:00
abstract::During the long-term follow-up of patients with hypertrophic cardiomyopathy (HCM), some patients develop left ventricular (LV) wall motion abnormalities in the absence of fixed coronary artery disease. The purpose of this study is to clarify which clinical features in patients with HCM seem to influence gradual develo...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/14.12.1629
更新日期:1993-12-01 00:00:00
abstract::In the blood-vessel wall, the endothelium plays a key functional role by generating several substances that modulate vascular smooth muscle tone, as well as growth, and platelet function. This review focuses on the role of the endothelial L-arginine/nitric oxide signal transduction pathway in the maintenance of vascul...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/16.suppl_k.4
更新日期:1995-11-01 00:00:00
abstract:AIMS:Kinetics of recovery oxygen consumption after exercise plays an important role in determining exercise capacity. This study was performed to assess the kinetics of recovery oxygen consumption in mitral stenosis and evaluate the effects of percutaneous balloon mitral valvuloplasty and exercise training on the kinet...
journal_title:European heart journal
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1053/euhj.1998.1146
更新日期:1998-12-01 00:00:00
abstract::The purpose of this study was to evaluate various methods of diagnosis of left atrial thrombi (LAT) in patients (pts) with mitral stenosis (MS). From 1980 to 1990, 581 pts with MS have undergone open mitral commissurotomy (n = 169) or valve replacement (n = 412). All pts had transthoracic 2D echocardiography (TTE), 10...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/12.suppl_b.70
更新日期:1991-07-01 00:00:00
abstract::An exercise test was performed in 455 patients in the third week after acute myocardial infarction (AMI). One hundred and seventeen (26%) of them were considered as having a complicated AMI. During a follow-up of 4.5 years their mortality was 49% vs 23% in the remaining patients with uncomplicated AMI. The survival of...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a062329
更新日期:1987-06-01 00:00:00
abstract:AIMS:The aim of this study was to assess the risk of intra-aortic balloon counterpulsation and to identify clinical and procedural variables that would predict complications. METHODS AND RESULTS:We analysed 381 consecutive patients who were treated between 1977 and 1995 at our catheterization laboratory and/or medical...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1053/euhj.1997.0802
更新日期:1998-03-01 00:00:00