Abstract:
OBJECTIVE:To study changes in connexin, metalloproteinase and tissue inhibitor of metalloproteinase levels during tachycardia-induced cardiomyopathy (TIC). METHODS:Canine models of TIC were established by rapid right atrial pacing at 350-400 beats per min for 8 weeks in 11 dogs, six dogs acted as a sham operation group. Echocardiography, left ventricular pressure and its first derivation with time (positive and negative maximum, dp/dtmax, -dp/dtmax), and intracardiac electrograms were recorded before and after rapid pacing at 1, 4 and 8 weeks. Data were acquired in sinus rhythm. Ultrastructural changes in left ventricular tissue were observed by transmission electron microscope. Connexin 43 (Cx43) levels in the left ventricular myocardium were measured by confocal laser microscopy. The relative abundance of matrix metalloproteinase (MMP-2) and tissue inhibitor of metalloproteinase (TIMP-2) were studied by immunoblotting. RESULT AND CONCLUSIONS:(1) Ventricular dilatation and systolic dysfunction occurred after 1 week of rapid right atrial pacing. (2) There was structural damage to the myofibrils, mitochondria, and the sarcoplasmic reticulum with intercalated disk discontinuity. (3) Levels of Cx43 decreased significantly and gap junction remodelling occurred during TIC. (4) TIC may result from several mechanisms, such as ultrastructural changes or gap junction and matrix remodelling.
journal_name
Eur J Heart Failjournal_title
European journal of heart failureauthors
Zhong JQ,Zhang W,Gao H,Li Y,Zhong M,Li D,Zhang C,Zhang Ydoi
10.1016/j.ejheart.2006.04.014subject
Has Abstractpub_date
2007-01-01 00:00:00pages
23-9issue
1eissn
1388-9842issn
1879-0844pii
S1388-9842(06)00118-8journal_volume
9pub_type
杂志文章abstract:AIMS:Transcatheter tricuspid valve repair (TTVR) is an emerging technique to treat tricuspid regurgitation (TR). Predictors of adverse outcomes are scarce, and stratification by TR aetiologies is lacking. METHODS AND RESULTS:We report the bi-centre procedural outcomes of 164 patients undergoing TTVR for TR stratified ...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1002/ejhf.1547
更新日期:2019-09-01 00:00:00
abstract::Myocardial fibrosis is the result of excessive fibrillar collagen synthesis and deposition without reciprocally balanced degradation. It causes cardiac dysfunction, arrhythmias, and ischaemia, and thereby determines the clinical course and outcome of cardiac patients even when adequately treated. Therefore, further re...
journal_title:European journal of heart failure
pub_type: 杂志文章,评审
doi:10.1002/ejhf.312
更新日期:2015-08-01 00:00:00
abstract:BACKGROUND:Heart failure with preserved ejection fraction (HFpEF) is a global public health problem. Unfortunately, little is known about HFpEF across Asia. METHODS AND RESULTS:We prospectively studied clinical characteristics, echocardiographic parameters and outcomes in 1204 patients with HFpEF (left ventricular eje...
journal_title:European journal of heart failure
pub_type: 杂志文章,多中心研究
doi:10.1002/ejhf.1227
更新日期:2019-01-01 00:00:00
abstract:AIMS:Hemochromatosis is a condition in which iron loading impairs the function of many organs, including the heart. Congestive heart failure with left ventricular dilatation is commonly found in patients with hemochromatosis. Two missense mutations (C282Y and H63D) have been shown to be responsible for the majority of ...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/j.ejheart.2003.11.003
更新日期:2004-08-01 00:00:00
abstract:AIMS:We evaluated the applicability and prognostic importance of oral glucose tolerance testing (OGTT) among outpatients with systolic heart failure (SHF). METHODS AND RESULTS:Consecutive patients with SHF and left ventricular ejection fraction (LVEF) ≤ 45% referred to a heart failure clinic (n= 413) were included in ...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1093/eurjhf/hfq216
更新日期:2011-03-01 00:00:00
abstract:AIMS:The 'Hospital at home' (HaH) model avoids hospital admission by transferring healthcare and treatment to the patient's home. We aimed to compare the effectiveness and direct healthcare costs of treating elderly patients with decompensated heart failure (HF) using HaH care vs. inpatient hospital care (IHC) in a car...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurjhf/hfp143
更新日期:2009-12-01 00:00:00
abstract:AIMS:Exercise oscillatory breathing (EOB) is a ventilatory abnormality that occurs in ∼20% of heart failure (HF) patients and carries a very unfavourable prognosis. Pulmonary vasoconstriction has been suggested to be involved in this disorder. We hypothesized that modulation of pulmonary vascular hypertone by oversigna...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurjhf/hfr147
更新日期:2012-01-01 00:00:00
abstract:AIMS:To assess the tolerability of initiating/uptitrating sacubitril/valsartan (LCZ696) from 50 to 200 mg twice daily (target dose) over 3 and 6 weeks in heart failure (HF) patients (ejection fraction ≤35%). METHODS AND RESULTS:A 5-day open-label run-in (sacubitril/valsartan 50 mg twice daily) preceded an 11-week, dou...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1002/ejhf.548
更新日期:2016-09-01 00:00:00
abstract:AIMS:To evaluate right-ventricular (RV) function during stress echocardiography (SE) and to assess its relationship with exercise capacity in heart failure (HF) patients. METHODS AND RESULTS:We included 88 patients aged 60.9 +/- 11.2 years with a mean LVEF of 27.2 +/- 9.5%. The following RV parameters were measured at...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1093/eurjhf/hfp200
更新日期:2010-03-01 00:00:00
abstract:AIMS:In amyloid patients, cardiac involvement dramatically worsens functional capacity and prognosis. We sought to study how the cardiopulmonary exercise test (CPET) could help in functional assessment and risk stratification of patients with cardiac amyloidosis (CA). METHODS AND RESULTS:We carried out a multicentre s...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1002/ejhf.2016
更新日期:2020-10-02 00:00:00
abstract:BACKGROUND:Bifocal pacing (BFP) has been proposed as a feasible alternative to cardiac resynchronization therapy. AIM:To evaluate BFP in patients with severe heart failure and significant intraventricular conduction delay and to compare it with biventricular pacing (BVP). METHODS:Echocardiographic examination includi...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/j.ejheart.2006.09.003
更新日期:2007-03-01 00:00:00
abstract:BACKGROUND:The relationship between quality of life (QoL) and survival have been poorly investigated. The aim of this study was to determine the value of QoL score as a prognostic factor in a prospective cohort of patients with advanced chronic heart failure (CHF). METHODS:QoL assessment was performed with a generic q...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/s1388-9842(02)00006-5
更新日期:2002-06-01 00:00:00
abstract:BACKGROUND:Coronary artery disease (CAD) is frequent among patients hospitalized with acute heart failure syndromes (AHFS). AIMS:To describe the influence of coronary revascularization status on survival in patients with AHFS. METHODS AND RESULTS:OPTIMIZE-HF enrolled 48,612 patients with AHFS from 259 U.S. hospitals....
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/j.ejheart.2008.09.009
更新日期:2008-12-01 00:00:00
abstract:AIMS:The aim of the study was to evaluate the efficacy and clinical outcome of peritoneal dialysis (PD) treatment in patients with severe refractory heart failure (HF) and chronic kidney disease (CKD). METHODS AND RESULTS:The PD treatment was performed in 118 patients [49.2% New York Heart Association (NYHA) III and 5...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1093/eurjhf/hfs035
更新日期:2012-05-01 00:00:00
abstract:AIMS:Insulin-dependent positive inotropic effects (PIE) are partially Ca(2+) independent. This mechanism is potentially glucose dependent. In contrast to most animal species, human myocardium expresses high levels of sodium-glucose-transporter-1 (SGLT-1) mRNA besides the common glucose-transporters-1 and -4 (GLUT1, GLU...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1093/eurjhf/hfp191
更新日期:2010-02-01 00:00:00
abstract:AIMS:Aldosterone activation is central to the sodium–fluid retention that marks the progression of heart failure (HF). The actions of dietary sodium restriction, a mainstay in HF management, on cardiorenal and neuroendocrine adaptations during the progression of HF are poorly understood. The study aim was to assess the...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1002/ejhf.212
更新日期:2015-02-01 00:00:00
abstract::It is well known that atrial fibrillation can lead to heart failure, and is attributed to rapid ventricular rate (tachycardia-induced cardiomyopathy). Some recent studies suggest the possible existence of an intrinsic left-ventricular factor related to atrial fibrillation, irrespective of other elements. In order to d...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/s1388-9842(02)00004-1
更新日期:2002-06-01 00:00:00
abstract:AIMS:Chronic heart failure (CHF) is associated with a higher risk for diabetes mellitus. Retinol binding protein 4 (RBP 4) is an adipose tissue-derived protein with pro-diabetogenic effects. A complete understanding of the association of CHF and insulin resistance remains elusive. The purpose of this study was to exami...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1093/eurjhf/hfp153
更新日期:2009-12-01 00:00:00
abstract:AIMS:To determine the effects of a nurse-led intervention designed to improve self-management of patients with heart failure in a primary health care setting regarding health-related quality of life and depression. METHODS:Patients at eight primary health care centres were screened by the Diagnosis Related Groups regi...
journal_title:European journal of heart failure
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1016/j.ejheart.2004.01.016
更新日期:2005-03-16 00:00:00
abstract:AIM:To investigate the role of MMP-2 and MMP-9 in cardiac remodelling induced by tobacco smoke exposure in rats. METHODS:Rats were allocated into two groups: C (n=9): control animals; ETS (n=9): exposed to tobacco smoke. After 4months, the animals underwent echocardiography, morphometric study and determination of MMP...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/j.ejheart.2007.09.004
更新日期:2007-11-01 00:00:00
abstract:AIM:Heart failure with preserved ejection fraction (HFpEF) is associated with increased sympathetic nervous system (SNS) tone. Attenuating the SNS with renal denervation (RDT) might be helpful and there are no data currently in humans with HFpEF. METHODS AND RESULTS:In this single-centre, randomized, open-controlled s...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1002/ejhf.502
更新日期:2016-06-01 00:00:00
abstract::Patients with chronic coronary heart disease often suffer from congestive heart failure (CHF) despite multiple drug therapies. D-Ribose has been shown in animal models to improve cardiac energy metabolism and function following ischaemia. This was a prospective, double blind, randomized, crossover design study, to ass...
journal_title:European journal of heart failure
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/s1388-9842(03)00060-6
更新日期:2003-10-01 00:00:00
abstract:BACKGROUND:Long-term prognosis of coronary artery disease (CAD) patients is worsened when stress ischemia persists on treatment, but the relationship with adverse cardiac remodelling had never been investigated. AIM:To analyze changes in blood markers of fibrosis in patients with chronic CAD exhibiting exercise ischae...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/j.ejheart.2006.09.010
更新日期:2007-04-01 00:00:00
abstract:OBJECTIVES:Regional presynaptic sympathetic innervation varies considerably in the cardiomyopathic human heart, as shown in previous studies in vivo and in vitro. The goal of the present study was to correlate markers of presynaptic sympathetic innervation with local measurement of the postsynaptic beta-adrenergic syst...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/s1388-9842(99)00072-0
更新日期:2000-03-01 00:00:00
abstract:AIMS:As periprocedural risk is low, MitraClip implantation is often performed in critically ill, not fully recompensated patients, who are in NYHA functional class IV at the time of the procedure, to accelerate convalescence. We herein sought to evaluate the procedural and 30-day outcome of this patient group. METHODS...
journal_title:European journal of heart failure
pub_type: 杂志文章,多中心研究
doi:10.1002/ejhf.169
更新日期:2014-11-01 00:00:00
abstract:BACKGROUND:Plasma levels of N-terminal pro-brain natriuretic peptide (NT-pro BNP) are increased in patients with chronic heart failure (CHF). Beta-blockers (BB) may influence these levels but it is unclear whether changes in NT-pro BNP reflect concomitant changes in prognosis. OBJECTIVES:To assess the prognostic impor...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1016/j.ejheart.2007.07.010
更新日期:2007-08-01 00:00:00
abstract:AIMS:Drug-induced changes in QT dispersion may be a way of detecting harmful repolarisation abnormalities for patients receiving antiarrhythmic drugs affecting ventricular repolarisation. METHODS AND RESULTS:In 463 congestive heart failure (CHF) patients enrolled in the Danish Investigations Of Arrhythmia and Mortalit...
journal_title:European journal of heart failure
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/s1388-9842(01)00235-5
更新日期:2002-03-01 00:00:00
abstract:AIM:Mineralocorticoid receptor antagonists (MRAs) improve outcomes in heart failure with reduced ejection fraction (HFrEF), but are underutilized. Hyperkalaemia may be one reason, but the underlying reasons for underuse are unknown. The aim of this study was to investigate the independent predictors of MRA underuse in ...
journal_title:European journal of heart failure
pub_type: 杂志文章,多中心研究,评审
doi:10.1002/ejhf.1182
更新日期:2018-09-01 00:00:00
abstract:BACKGROUND:The rate constant for global fatty acid influx (k(1)) was studied in 12 male patients with dilated cardiomyopathy (DCM). METHOD:10 normal subjects served as controls. 201-Thallium (201TI) and [123I]-phenyl-pentadecanoic acid (IPPA) were administered during bicycle exercise under fasting conditions. RESULTS...
journal_title:European journal of heart failure
pub_type: 杂志文章
doi:10.1016/s1388-9842(02)00024-7
更新日期:2002-08-01 00:00:00
abstract:AIMS:Remote patient management (telemonitoring) may help to detect early signs of cardiac decompensation, allowing optimization of and adherence to treatments in chronic heart failure (CHF). Two meta-analyses have suggested that telemedicine in CHF can reduce mortality by 30-35%. The aim of the TIM-HF study was to inve...
journal_title:European journal of heart failure
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurjhf/hfq199
更新日期:2010-12-01 00:00:00