Abstract:
UNLABELLED:To determine the clinical value of several parameters derived by application of the proximal isovelocity surface area method in the assessment of mitral regurgitation (MR), 28 consecutive patients with angiographic diagnosis of MR underwent color Doppler echocardiography within 48 h of cardiac catheterization. Aliasing velocities (V(N)) were baseline-shifted to 25 cm/s and the maximal radius (R) was measured from the first aliasing boundary to the tips of the mitral valve. By continuity, the regurgitant orifice area (ROA) and regurgitant stroke volume (RSV(PISA)) were obtained. We have related them to the angiographic grade, and with determination of the regurgitant stroke volume (RSV(DE)) and the regurgitant fraction (RF), we calculated the volume of the transmitral flow according to Fisher's method. RESULTS:RSV(DE) correlated well with RSV(PISA) (r = 0.98). A clear relation existed between the isovelocity radius and the RSV(DE) and RF (r = 0.95 and 0.88, respectively). A radius of 8 mm or more was identified well with an RSV(DE) of 40 cm3 or more (sensitivity: 100%, specificity: 95%) and an RF of 35% or more (sensitivity: 88%, specificity: 94%). The ROA was closely related to the RSV(DE) and RF, with r = 0.92 and 0.88, respectively. An ROA of 20 mm2 or more identified well patients with RSV(DE) values of 40 cm3 or more and RF values of 35% or more. The radius, RSV(PISA) and ROA were closely related to the angiographic grade of MR (r = 0.91, 0.83 and 0.92, respectively). A radius of 7 mm or more identified patients with grade III or IV of regurgitation (sensitivity: 82%, specificity: 94%), while an ROA of 15 mm2 or more discriminated well significant regurgitation (sensitivity: 91%, specificity: 94%). CONCLUSIONS:Parameters derived by application of the proximal isovelocity surface area method provide quantitative information that can be helpful in predicting the severity of mitral regurgitation noninvasively.
journal_name
Int J Cardioljournal_title
International journal of cardiologyauthors
Miró Palau V,Salvador A,Rincón De Arellano A,Cebolla R,Algarra Fdoi
10.1016/s0167-5273(98)00355-6subject
Has Abstractpub_date
1999-02-28 00:00:00pages
209-16issue
2eissn
0167-5273issn
1874-1754pii
S0167527398003556journal_volume
68pub_type
杂志文章abstract:OBJECTIVES:Diabetes mellitus (DM) is an independent risk factor for atrial fibrillation (AF). The role of the NADPH oxidase (NOX) signaling in the setting of DM and the potential benefits of apocynin on diabetic atrial remodeling remain unknown. METHODS:Sixty Japanese rabbits were randomized into 3 groups as follows: ...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2016.07.132
更新日期:2016-10-15 00:00:00
abstract::Left ventricular outflow tract obstruction caused by a discrete subaortic membrane in a young female was successfully dilated using an Inoue balloon catheter. The Inoue balloon catheter was used in a retrograde manner via the femoral artery. ...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/0167-5273(96)02579-x
更新日期:1996-04-19 00:00:00
abstract:BACKGROUND:Geranylgeranylacetone (GGA) has been reported up-regulating heat shock protein (HSP) expression, and protecting against atrial remodeling. This study aimed to investigate the effects of GGA on atrial electrophysiology and inducibility of atrial fibrillation (AF) in heart failure (HF) model. METHODS AND RESU...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2013.06.072
更新日期:2013-10-09 00:00:00
abstract:BACKGROUND:Effective decongestion of heart failure patients predicts improved outcomes, but high dose loop diuretics (HDLD) used to achieve diuresis predict adverse outcomes. In the DOSE trial, randomization to a HDLD intensification strategy (HDLD-strategy) improved diuresis but not outcomes. Our objective was to dete...
journal_title:International journal of cardiology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1016/j.ijcard.2017.03.114
更新日期:2017-08-15 00:00:00
abstract:BACKGROUND:Non-cardiac complications, such as hepato-renal and metabolic problems, are emerging late after the Fontan operation due to its unique hemodynamics. Consequently, associations between clinical variables and postoperative outcome may change during the prolonged postoperative course. METHODS AND RESULTS:To de...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2014.03.001
更新日期:2014-05-01 00:00:00
abstract::A 75-year-old man, who had a history of coronary dissection after percutaneous coronary intervention in left anterior descending coronary artery, underwent coronary magnetic resonance. Magnetic resonance demonstrated coronary dissection in the distal portion of the left anterior descending artery. Both the true lumen ...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2007.01.026
更新日期:2008-06-06 00:00:00
abstract:BACKGROUND:To consider hemodynamic assessment of myocardial bridging (MB) adequate, it is believed that inotropic stimulation with dobutamine should be estimated because its dynamic nature depends on the degree of extravascular coronary compression. This study evaluated comparative assessment of hemodynamic relevance o...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2016.09.101
更新日期:2016-12-15 00:00:00
abstract::Dilated cardiomyopathy is a rare cardiac disease characterized by left ventricular dilatation and systolic dysfunction leading to heart failure and sudden cardiac death. Currently, despite several conditions have been reported as aetiologies of the disease, a large number of cases remain classified as idiopathic. Rece...
journal_title:International journal of cardiology
pub_type: 杂志文章,评审
doi:10.1016/j.ijcard.2016.09.068
更新日期:2016-12-01 00:00:00
abstract:BACKGROUND:A method to objectively detect in-stent restenosis (ISR) with multi-slice computed tomography (MSCT) has not been established yet. We aimed to evaluate the usefulness of measuring coronary lumen density with MSCT to detect ISR. METHODS:Forty-seven coronary stented lesions in 38 patients were evaluated with ...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2006.11.231
更新日期:2008-02-29 00:00:00
abstract:BACKGROUND:The relative importance of focal drivers, multiple wavelets, rotors and endocardial-epicardial circuits in the maintenance of persistent AF remains unclear. Our objective was to characterize AF wavefront (WF) dynamics during persistent AF. METHODS:The Ensite 3000 (St Jude Medical) non-contact mapping system...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2016.11.085
更新日期:2017-02-01 00:00:00
abstract::With the advent of transesophageal echocardiography (TEE), thrombi of the aorta are becoming increasingly recognized as possible sources of systemic emboli. This report describes a 58-year-old woman with multiple unexplained peripheral emboli. A giant thrombus of the descending aorta has been identified as the source ...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/s0167-5273(02)00509-0
更新日期:2003-06-01 00:00:00
abstract:BACKGROUND:VDD pacemakers are regarded as a second choice in patients with atrio-ventricular blocks mainly due to the potential failure of atrial sensing, leading to a loss of atrio-ventricular synchrony. This single-centre study aimed to evaluate the prevalence of loss of atrial sensing and its potential determinants ...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2020.09.063
更新日期:2020-09-26 00:00:00
abstract:BACKGROUND:Inflammation and oxidative stress play a crucial role in the pathogenesis of cardiac sarcoidosis (SAR). We investigated whether urinary (U) 8-hydroxy-2'-deoxyguanosine (8-OHdG)--an oxidative DNA damage marker--was related to SAR inflammatory activity. METHODS:U-8-OHdG levels were measured in 31 SAR patients...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2015.04.144
更新日期:2015-01-01 00:00:00
abstract::A 14-year-old girl was rescued from a sudden cardiac arrest at school. Aortography disclosed mild aortic root dilation with aortic valve incompetence and subocclusion of coronary ostia and left common carotid artery. An emergency aortocoronary bypass operation was undertaken, but the patient did not recover from cardi...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/0167-5273(94)90095-7
更新日期:1994-01-01 00:00:00
abstract::Recent studies have demonstrated the potential for myocardial regeneration at the time of myocardial infarction. Our lab focuses on understanding how stem cells home to injured tissue. We believe that a detailed analysis of the biological responses to tissue injury not only gives us insight into how damage occurs, but...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/s0167-5273(04)90007-1
更新日期:2004-06-01 00:00:00
abstract:OBJECTIVE:To study the joint prevalence of elevated blood pressure and raised total cholesterol in adult individuals and to estimate the multifactorial cardiovascular risk associated with this clustering. MATERIAL AND METHODS:Data were obtained through pooling of databases from large cross-sectional representative pop...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2005.08.037
更新日期:2006-06-16 00:00:00
abstract:BACKGROUND:Progression of coronary artery calcium (CAC) is associated with increased risk of coronary heart disease (CHD) and is reported to be greater in whites than blacks, Hispanics, and Chinese in the US. Our objective was to compare progression of CAC between Japanese Americans and whites. METHODS:Population-base...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2016.11.238
更新日期:2017-02-01 00:00:00
abstract:BACKGROUND:Effects of potassium supplementation on vascular function remain conflicting. This meta-analysis aimed to summarized current literature to fill the gaps in knowledge. METHODS:A literature search was performed on PubMed database through April, 2016. The measurements of vascular function included pulse wave v...
journal_title:International journal of cardiology
pub_type: 杂志文章,meta分析
doi:10.1016/j.ijcard.2016.10.119
更新日期:2017-02-01 00:00:00
abstract::We describe 76 patients in whom a double inlet atrioventricular connexion was guarded by a common atrioventricular valve. The atriums were connected to a dominant right ventricle in 42, to a left ventricle in 29 and to a solitary indeterminate ventricle in 5. The most common atrial arrangement was isomerism of the rig...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/0167-5273(90)90003-n
更新日期:1990-07-01 00:00:00
abstract::We report a case of severe refractory congestive heart failure after anthracycline chemotherapy in a patient with a narrow QRS interval on the electrocardiogram and echocardiographic evidence of left ventricular dyssynchrony, where cardiac resynchronization therapy resulted in normalization of left ventricular ejectio...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2008.11.194
更新日期:2010-07-09 00:00:00
abstract::The association between metabolic syndrome and coronary artery disease, either clinical or subclinical, has been well established. There is also a consensus regarding the higher prevalence of metabolic syndrome in females compared with males with coronary artery disease. However, the impact of gender on the coronary a...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2005.07.045
更新日期:2006-06-16 00:00:00
abstract:BACKGROUND:While only few data exist correlating cardiovascular risk factors with volumetric measurements of coronary atheroma burden in patients with coronary artery disease, a recent report using intravascular ultrasound (IVUS) demonstrated independent predictors of atherosclerotic burden in a native coronary artery ...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2006.11.194
更新日期:2008-02-20 00:00:00
abstract:BACKGROUND:Little is known about global patterns of critical care unit (CCU) care and the relationship with outcomes in patients with acute decompensated heart failure (ADHF). Whether a ward or a CCU admission is associated with better outcomes is unclear. METHODS:Patients in the Acute Study of Clinical Effectiveness ...
journal_title:International journal of cardiology
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1016/j.ijcard.2014.11.007
更新日期:2014-12-20 00:00:00
abstract:BACKGROUND:Although sexual problems in cardiac patients are receiving increasing attention, research on sexual functioning of patients with congenital heart disease is very scarce. Therefore, this study investigated sexual functioning in adults with congenital heart disease and compared this with that of matched, healt...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2006.10.020
更新日期:2007-09-14 00:00:00
abstract::Isolated noncompaction of the ventricular myocardium is an unclassified cardiomyopathy and is thought to be due to arrest of myocardial morphogenesis. Fetal arrhythmias may occur in approximately half of the patients and account for the death in this disorder. We describe a patient with isolated noncompaction of the r...
journal_title:International journal of cardiology
pub_type: 信件
doi:10.1016/j.ijcard.2007.07.037
更新日期:2008-12-17 00:00:00
abstract:BACKGROUND:Left bundle branch block (LBBB) morphology is associated with improved outcome of cardiac resynchronisation therapy (CRT) and is an important criterion for patient selection. There are, however, multiple definitions for LBBB. Moreover, applying these definitions seems subjective. We investigated the inter- a...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2019.01.051
更新日期:2019-07-01 00:00:00
abstract::The Danish Verapamil Infarction Trial II (DAVIT II) demonstrated from the second postinfarction week, that long term treatment with verapamil significantly improved reinfarction free survival after an acute myocardial infarction (AMI). The present post hoc analysis of DAVIT II was undertaken with the purpose of evalua...
journal_title:International journal of cardiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1016/0167-5273(94)02258-k
更新日期:1995-03-03 00:00:00
abstract:BACKGROUND:The number and age demographic of the future Fontan population is unknown. METHODS:Population projections were calculated probabilistically using microsimulation. Mortality hazard rates for each Fontan recipient were calculated from survivorship of 1353 Fontan recipients in the Australia and New Zealand Fon...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2016.05.035
更新日期:2016-09-15 00:00:00
abstract:BACKGROUND:Reperfusion injury and its modulation are incompletely characterized. The purpose of the present study was to characterize the dynamics of reperfusion injury by portraying the temporal release of lactate dehydrogenase (LDH) during ischemia-reperfusion injury in an isolated heart model. METHODS:We studied in...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/j.ijcard.2013.11.035
更新日期:2014-01-15 00:00:00
abstract::We examined serial changes in serum levels of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) measured by ELISAs in 45 patients with acute myocardial infarction (AMI) who received heparin intravenously for 3 to 5 days after the onset and in 30 control subjects with an old myocardial...
journal_title:International journal of cardiology
pub_type: 杂志文章
doi:10.1016/s0167-5273(98)00251-4
更新日期:1998-11-30 00:00:00