Abstract:
:To evaluate gender-related differences in left ventricular (LV) structure and function in aortic stenosis, LV biplane cineangiography, micromanometry and endomyocardial biopsies were carried out in 56 patients with aortic stenosis and normal coronary arteries. Patients were divided into males (M: n = 35), and females (F: n = 21). Sixteen normal subjects 8 M, 8 F) served as haemodynamic controls. Control biopsy data were obtained from six pre-transplantation donor hearts (3 M and 3 F). LV systolic function was evaluated by ejection fraction and its relationship to mean systolic circumferential wall stress, diastolic function by the time constant of LV pressure decay, peak filling rates and passive myocardial stiffness constant. Biopsy samples were evaluated for interstitial fibrosis, muscle fibre diameter and volume fraction of myofibrils. In a subset of 27 consecutive patients, biopsy samples were evaluated with a morphometric-morphological method, for total collagen volume fraction, endocardial fibrosis and the extension and thickness of orthogonal collagen fibres (cross-hatching). In patients with aortic stenosis, aortic valve area, aortic valve resistance and mean aortic pressure gradient were comparable in males and females, whereas end-systolic and end-diastolic volumes were larger in males than females. Ejection fraction was lower (56%) in males than females (64%) (P < 0.05); 20 of 35 males and four of 21 females had depressed systolic contractility when assessed with regard to the relationship ejection fraction-mean systolic stress (P < 0.01). Myocardial stiffness constant was higher in males than in females (P < 0.01). Nine of 14 males and two of 13 females had endocardial fibrosis (P < 0.009), whereas increased cross-hatching (> 1.5 grade) was present in 11 males and four females with aortic stenosis (P < 0.01). An abnormal collagen architecture was present in 13/14 males and 5/13 females (P < 0.002). In aortic stenosis, males have a depressed systolic function and abnormal passive elastic properties when compared to females with valve lesions of similar severity. Changes in collagen architecture may account, at least in part, for these differences.
journal_name
Eur Heart Jjournal_title
European heart journalauthors
Villari B,Campbell SE,Schneider J,Vassalli G,Chiariello M,Hess OMdoi
10.1093/oxfordjournals.eurheartj.a060749subject
Has Abstractpub_date
1995-10-01 00:00:00pages
1410-9issue
10eissn
0195-668Xissn
1522-9645journal_volume
16pub_type
杂志文章abstract:BACKGROUND:Polymorphisms within renin angiotensin system genes have been investigated as risk factors for coronary artery disease in different populations with contradicting results. The aim of this study was to investigate the genotype distribution and the allele frequencies of ACE, AT1R and AGT gene polymorphisms as ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1053/euhj.1999.1738
更新日期:2000-04-01 00:00:00
abstract:AIMS:Increasing evidence supports a role for inflammation in promoting atrial fibrillation (AF) and statins have anti-inflammatory effects that may be relevant for the prevention of AF. However, studies of statin therapy and incident AF have yielded mixed results and not focused on individuals with an underlying pro-in...
journal_title:European heart journal
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurheartj/ehr460
更新日期:2012-02-01 00:00:00
abstract::Although indicated by several experimental studies, the presence of a renin-angiotensin system has not been demonstrated in the human heart. The influence of a local renin-angiotensin system on the coronary vessels may be difficult to establish after oral or intravenous administration of an angiotensin converting-enzy...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/10.suppl_f.97
更新日期:1989-11-01 00:00:00
abstract::Hypercholesterolaemia is an important risk factor for cardiovascular disease. Both total and LDL cholesterol levels are three-fold higher at the end of the first year of life and about four-fold higher in adulthood compared with the neonatal period. In the USA, only 25% of infants are exclusively breastfed and simple ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehaa868
更新日期:2020-12-16 00:00:00
abstract:AIMS:A lack of donor hearts has stimulated interest in using blood pumps to treat severe heart failure. We tested the hypothesis that a new continuous flow circulatory assist device could be employed safely to relieve symptoms of heart failure and evaluated the potential to prolong life. METHODS AND RESULTS:An intraca...
journal_title:European heart journal
pub_type: 杂志文章,多中心研究
doi:10.1093/eurheartj/ehi163
更新日期:2005-05-01 00:00:00
abstract:AIMS:A potential role for cardiovascular disease (CVD) risk factors in the aetiology of suicide has not been comprehensively examined. In addition to being small in scale and poorly characterized, existing studies very rarely sample Asian populations in whom risk factor-suicide relationships may plausibly differ to Cau...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehr229
更新日期:2011-11-01 00:00:00
abstract::In past decades, numerous experimental and clinical studies have improved our knowledge of the electrophysiological effects of sodium channel blockers, as well as of the mechanisms of arrhythmogenesis. However, the mechanisms of antiarrhythmic as well as potentially proarrhythmic drug action have been less well clarif...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:10.1093/eurheartj/12.suppl_f.10
更新日期:1991-12-01 00:00:00
abstract:AIMS:Our aim was to follow changes in myocardial function and physiology in patients awaiting coronary artery bypass surgery (CABG) and relate changes to post-revascularisation functional response. METHODS AND RESULTS:In 21 patients with CAD and LV dysfunction, myocardial glucose utilisation (MGU) and blood flow (MBF)...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1016/j.ehj.2004.01.016
更新日期:2004-03-01 00:00:00
abstract::Nitrates are beneficial because they combine coronary and noncoronary effects. They have proven clinical efficacy, relieving symptoms and documented evidence of ischaemia. They can be given to patients by multiple routes and can be easily combined with other anti-ischaemic drugs including aspirin, heparin, calcium ant...
journal_title:European heart journal
pub_type: 杂志文章,评审
doi:
更新日期:1991-05-01 00:00:00
abstract:AIMS:To evaluate outcomes for left main coronary artery (LMCA) stenting and compare results between protected (left coronary grafted) and unprotected LMCA stenting in the current bare-metal stent era. METHODS:We reviewed outcomes among 142 consecutive patients who underwent protected or unprotected LMCA stenting since...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1016/s0195-668x(03)00314-2
更新日期:2003-09-01 00:00:00
abstract::Myocardial catecholamine concentrations were determined in endomyocardial biopsies from patients with heart failure to assess if tissue catecholamine levels relate to the severity of myocardial damage or the aetiology of the underlying disease. Methodological studies revealed a good reproducibility of catecholamine de...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/12.suppl_d.171
更新日期:1991-08-01 00:00:00
abstract:BACKGROUND:Patients with univentricular hearts have decreased exercise tolerance and may demonstrate exertional dyspnoea. It is not known if chronic hypoxaemia exacerbates exercise intolerance and contributes to symptomatic limitation. The extent to which surgical correction of a right-to-left shunt by a Fontan-type pr...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a015449
更新日期:1997-08-01 00:00:00
abstract:AIMS:Assessment of N-terminal brain natriuretic peptide (NT-BNP) as a screening tool for heart failure in patients with a permanent pacemaker. METHODS AND RESULTS:Consecutive patients undergoing a routine permanent pacemaker assessment were enrolled. Patients underwent medical history and examination, echocardiography...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehi657
更新日期:2006-02-01 00:00:00
abstract:AIMS:To compare the precursor of atrial and brain natriuretic peptide (N-ANP, N-BNP), brain natriuretic peptide (BNP), big endothelin-1, the 6-min walk test and the Minnesota Living with Heart Failure Questionnaire (LHFQ) with regard to short-term outcome in an ambulatory heart failure population. METHODS AND RESULTS:...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1053/euhj.2001.3115
更新日期:2002-06-01 00:00:00
abstract:AIMS:Surgery in patients with infective endocarditis (IE) can be elective (upon completion of antibiotic treatment) or urgent (before antibiotic treatment has ended) when the clinical course is unfavourable. However, urgent surgery for left-sided endocarditis is associated with high mortality. The aims of this study we...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehl315
更新日期:2007-01-01 00:00:00
abstract::Increased QT dispersion, which has been proposed as a marker of ventricular repolarization inhomogeneity, may predispose to ventricular arrhythmias. Data on QT dispersion in patients with congestive heart failure are scarce. In this study, conventional 12-lead ECGs were recorded in 135 consecutive patients with conges...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a014843
更新日期:1996-02-01 00:00:00
abstract:AIMS:The effect of statins on risk of heart failure (HF) hospitalization and HF death remains uncertain. We aimed to establish whether statins reduce major HF events. METHODS AND RESULTS:We searched Medline, EMBASE, and the Cochrane Central Register of Controlled Trials for randomized controlled endpoint statin trials...
journal_title:European heart journal
pub_type: 杂志文章,meta分析,评审
doi:10.1093/eurheartj/ehv072
更新日期:2015-06-21 00:00:00
abstract::This overview provides a Europe-wide update on the current burden of cardiovascular disease, and specifically of coronary heart disease and stroke. Cardiovascular disease continues to cause a large proportion of deaths and disability in Europe, and places a substantial burden on the health care systems and economies o...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/eht356
更新日期:2013-10-01 00:00:00
abstract:AIMS:Elevated blood pressure (EBP) is the most prevalent and potentially modifiable risk factor for AF, yet little is known of its atrial effects. We aimed to characterize the atrial electrical and structural changes in a chronic ovine model of EBP after prenatal corticosteroid exposure. METHODS AND RESULTS:Twelve she...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehl360
更新日期:2006-12-01 00:00:00
abstract::To determine if dobutamine-induced myocardial ischaemia causes abnormalities in Doppler parameters of left ventricular ejection and filling and to assess early effects of successful coronary angioplasty (PTCA) on these parameters, dobutamine stress echocardiography and Doppler studies were performed once in 11 normal ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/14.8.1011
更新日期:1993-08-01 00:00:00
abstract:AIMS:Whereas endogenous carbon monoxide (CO) is cytoprotective at physiologic levels, excess CO concentrations are associated with cardiometabolic risk and may represent an important marker of progression from subclinical to clinical cardiovascular disease (CVD). METHODS AND RESULTS:In 1926 participants of the Framing...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehu052
更新日期:2014-11-07 00:00:00
abstract:Aims:The purpose of the current trial was to test the hypothesis that breathing oxygen-enriched air increases exercise performance of patients with pulmonary arterial or chronic thrombo-embolic pulmonary hypertension (PAH/CTEPH) and to investigate involved mechanisms. Methods and results:Twenty-two patients with PAH/C...
journal_title:European heart journal
pub_type: 杂志文章,随机对照试验
doi:10.1093/eurheartj/ehx099
更新日期:2017-04-14 00:00:00
abstract:AIMS:The anti-anginal efficacy and safety of ranolazine in diabetic and non-diabetic patients included in the Combination Assessment of Ranolazine In Stable Angina (CARISA) trial (JAMA 2004;291:309) were studied. Glycaemic control was also assessed in CARISA and its long-term open-label extension study. METHODS AND RE...
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/ehi495
更新日期:2006-01-01 00:00:00
abstract:AIMS:The vast majority of acute heart failure (AHF) trials to date have targeted dyspnoea. However, they enrolled patients relatively late and did not standardize their methods of dyspnoea measurement. URGENT Dyspnoea was designed to determine changes in dyspnoea in response to initial, standard therapy in patients pre...
journal_title:European heart journal
pub_type: 杂志文章,多中心研究
doi:10.1093/eurheartj/ehp458
更新日期:2010-04-01 00:00:00
abstract:AIMS:A small reference diameter may be the consequence of high plaque burden and diffuse disease. The reference vessel diameter in small coronary arteries may vary according to the method of measurement used. We endeavoured to confirm the difference between data from examinations conducted using angiography with that r...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1053/euhj.2001.2730
更新日期:2002-02-01 00:00:00
abstract::The immediate and short-term results of coronary angioplasty were analysed in 16 patients who presented with chest pain at rest associated with transient marked ST-segment elevation (greater than or equal to 0.5 mV). The number of in hospital ischaemic attacks was on average 2.8 (range 1-8). All patients had at least ...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/oxfordjournals.eurheartj.a062324
更新日期:1987-06-01 00:00:00
abstract:AIMS:Recent randomized clinical trials have reported a reduction in restenosis with intracoronary stents and have suggested that this restenosis reduction is a result of the higher immediate luminal gain, in comparison to conventional percutaneous transluminal coronary angioplasty (PTCA). The hypothesis of this study i...
journal_title:European heart journal
pub_type: 临床试验,杂志文章
doi:10.1053/euhj.1997.0614
更新日期:1998-02-01 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:To assess the reported prevalence of left ventricular non-compaction (LVNC) in different adult cohorts, taking in to consideration the role of diagnostic criteria and imaging modalities used. METHODS AND RESULTS:A systematic review and meta-analysis of studies reporting LVNC prevalence in adults. Studies were sou...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1093/eurheartj/ehz317
更新日期:2020-04-07 00:00:00
abstract:AIM:To determine the frequency of pre-existing valvular disease (VD) among patients with acute coronary syndromes (ACS) and to compare the clinical characteristics, clinical course, treatment, and outcomes of ACS patients with and without pre-existing VD. METHODS AND RESULTS:The Euro Heart Survey ACS prospectively enr...
journal_title:European heart journal
pub_type: 杂志文章
doi:10.1016/s0195-668x(02)00742-x
更新日期:2003-04-01 00:00:00