Search Results
Results 401 - 450 of 1281
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Wollmuth Jason R - - 2006
BACKGROUND: Severe aortic insufficiency (AI) with preserved left ventricular (LV) function may be associated with a long asymptomatic period and unpredictable course on medical therapy. Since myocardial wall stress is closely related to both pathologic cardiac remodeling and ultimately to LV decompensation, a more accurate description of regional wall stress ...
Lamparter Steffen - - 2007
Peripartum cardiomyopathy (PPCM) is a rare disorder of dilated cardiomyopathy and left ventricular dysfunction occurring in the last month of pregnancy or within 5 months postpartum. Outcome of PPCM is highly variable, comprising clinical improvement and rapid deterioration unresponsive to medical treatment requiring heart transplantation or even death. In this ...
Efthimiadis Georgios K - - 2006
BACKGROUND: The present study evaluated the prognostic significance of Doppler-demonstrated left ventricular (LV) restrictive filling pattern (RFP) in patients with thalassaemia major (TM), which carries an adverse cardiovascular prognosis. METHODS AND RESULTS: The study group comprised 45 asymptomatic transfusion-dependent patients with TM and normal LV systolic function. All patients were ...
Polat Tugcin Bora - - 2006
OBJECTIVES: Pathoanatomic changes in cirrhosis result in impaired ventricular filling and diastolic dysfunction and were named as cirrhotic cardiomyopathy. However, cardiac functions have not been studied in patients with chronic hepatitis. We hypothesized that such patients might have subclinical ventricular dysfunction, detectable by tissue Doppler echocardiography and related to the ...
Akgül Ferit - - 2006
OBJECTIVES: To investigate the left (LV) and right ventricular (RV) function in multiple sclerosis (MS) using standard echocardiography and Doppler tissue imaging (DTI). MATERIALS AND METHODS: A total of 41 patients with definite MS and 32 healthy controls were included in the study. RESULTS: LV end-systolic dimension was increased and ...
Vona Margherita - - 2006
BACKGROUND: Few studies exist on the effects, in terms of work capacity and safety, of exposure to moderately high altitudes in patients with stable ischemic left ventricular dysfunction. Moreover no data are currently available on the cardiorespiratory response to walks in the mountains. AIM: The objective of this study is ...
Végh Judit - - 2007
The authors examined the right and left ventricle functions in patients with mixed connective tissue disease (MCTD) by Doppler echocardiography. Of 51 patients, 20 had temporary pulmonary arterial hypertension in their case history. According to our knowledge, this is the first study examining the use of Doppler echocardiography and tissue ...
Clements Ian P - - 2006
BACKGROUND: The frequency and determinants of early rapid diastolic filling abnormalities in the community and in cardiac patients are poorly understood. METHODS AND RESULTS: Early left ventricular (LV) rapid filling was assessed via equilibrium radionuclide angiocardiography in 70 community volunteers (LV ejection fraction [EF] > or = 0.50) and 778 ...
Garatti Andrea - - 2006
The Impella Recover left direct (LD) is a new intravascular microaxial blood pump, intended as a short-term mechanical support especially in case of acutely reduced left ventricular function. From September 2002 to October 2004, Impella was used to support 12 patients: six patients were supported as bridge-to-heart transplant (HTx); three ...
Wlodarska Elzbieta Katarzyna - - 2006
AIMS: Incidence and clinical presentation of thromboembolic complications in patients with arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) were analysed. In reports on ARVD/C, thromboembolism is rarely mentioned. The possible risk factors are: right ventricle (RV) dilatation, aneurysms, and wall motion abnormalities. METHODS AND RESULTS: A group of 126 patients (89 male, ...
Tamborini Gloria - - 2007
The evaluation of right ventricular (RV) systolic function is important for its clinical and prognostic value but difficult to obtain due to RV complex anatomy. Aims of this study were to evaluate the feasibility of a routine use of RV fractional shortening area (FSA), systolic excursion (TAPSE) and peak systolic ...
Dabbah Salim - - 2006
BACKGROUND: Objective evidence of elevated left ventricular (LV) filling pressures is infrequently demonstrated in clinical practice in patients with heart failure (HF) and preserved LV ejection fraction (LVEF) and the clinical diagnosis of HF is commonly questionable in these patients. The objective of this study was to examine whether elevated ...
Tripepi Giovanni - - 2006
BACKGROUND: End-stage renal disease (ESRD) is a high-risk condition and left ventricular hypertrophy (LVH) is the strongest risk factor in this population. OBJECTIVE AND METHODS: Since the prognostic value of left atrial (LA) size in ESRD is still unknown, we performed a prospective cohort study aimed at testing the prognostic ...
Whalley G A - - 2006
To determine, through a systematic review and meta-analysis, the magnitude of the survival deficit associated with a restrictive filling pattern after acute myocardial infarction (AMI). Online databases were searched for prospective echocardiography outcome studies of patients after AMI. All authors were contacted to seek confirmation of their data. Restrictive filling ...
Gianni Monica - - 2006
AIMS: To clarify the major features of the apical ballooning syndrome, we performed a systematic review of the existing literature. METHODS AND RESULTS: Review of all relevant case series using the MEDLINE and EMBASE databases resulted in the identification of 14 studies. These studies suggest that the apical ballooning syndrome ...
Bleeker Gabe B - - 2006
Cardiac resynchronization therapy (CRT) is beneficial in selected patients with moderate to severe heart failure (New York Heart Association [NYHA] classes III to IV). Patients with mildly symptomatic heart failure (NYHA class II) are currently not eligible for CRT and the potential beneficial effects in these patients have not been ...
Viotti Rodolfo - - 2006
BACKGROUND: Benznidazole is effective for treating acute-stage Chagas disease, but its effectiveness for treating indeterminate and chronic stages remains uncertain. OBJECTIVE: To compare long-term outcomes of patients with nonacute Chagas disease treated with benznidazole versus outcomes of those who did not receive treatment. DESIGN: Clinical trial with unblinded, nonrandom assignment ...
Lamers Luke - - 2006
OBJECTIVES: The aim of this work was to evaluate myocardial contractility using the end-systolic wall stress (ESSm)-velocity of circumferential fiber shortening (VCFc) relationship in sickle cell anemia (SCA) patients compared with a similar age group of African-American (AA) control patients. BACKGROUND: Abnormalities of myocardial function have been documented in SCA ...
Athanasiadis Anastasios - - 2006
AIMS: A peculiar type of an acute coronary syndrome is characterised by acute onset of chest pain, STsegment changes, elevated troponin I levels and a transient balloon-like apical left ventricular dysfunction, but without significant coronary artery disease. We sought to assess this syndrome in German patients. METHODS AND RESULTS: A ...
Mehmood Farhat - - 2006
In this report, we present 12 patients (range 14-76 years, mean 40 +/- 22.7 years) who underwent surgical repair of a ventricular septal defect (VSD). Location, size, and surrounding anatomy of the VSD were assessed prior to intervention in all patients with live/real time three-dimensional transthoracic echocardiography (3DTTE). In 9 ...
Elbl Lubomir - - 2006
The present study assessed several parameters of cardiopulmonary function in patients, after treatment for aggressive non-Hodgkin's lymphoma and Hodgkin's disease, to determine the influence of these parameters on patient's performance status. One hundred and six patients (66 male and 40 female) aged 40 +/- 15 years were examined 1-2 years ...
Lofiego C - - 2007
OBJECTIVES: To investigate diagnostic routes, echocardiographic substrates, outcomes and prognostic factors in patients with isolated ventricular non-compaction (IVNC) identified by echocardiographic laboratories with referral from specialists and primary care physicians. PATIENTS AND DESIGN: Since 1991, all patients with suspected IVNC were flagged and followed up on dedicated databases. Patients were ...
Yamada Hirotsugu - - 2007
AIMS: An entity of patients with mixed physiology of constriction and restriction has been reported, however, the characteristics of these patients have not been well documented. We evaluated the clinical features and the outcome of these patients. METHODS AND RESULTS: Study subjects consisted of 38 patients (57+/-14 years, 8 females, ...
Spicer, Robert L.
Oral verapamil, 5.2 +/- 1.1 mg/kg/day (range 2.8 to 7), was administered to 13 pediatric patients with hypertrophic Cardiomyopathy for 13 +/- 6 months (range 2 to 20). The patients had significant symptomatic improvement on verapamil therapy. Murmur intensity diminished in 6 patients during therapy and left ventricular (LV) electromotive ...
El-Sayed H L - - 2006
BACKGROUND AND OBJECTIVES: The pathogenesis of different malnutrition diseases was suggested to affect the heart. This study was designed to detect cardiac affection in protein energy malnutrition (PEM) patients, whether clinically or by electrocardiogram (ECG) and echocardiogram, and to assess the value of the cardiac marker troponin I in patients ...
Bangalore Sripal - - 2006
OBJECTIVES: The purpose of the study was to define the incidence of systemic embolism after cardioversion in patients with left ventricular (LV) thrombus. BACKGROUND: The risk of systemic embolization after cardioversion in patients with an atrial thrombus is well known. However, data on thromboembolic events after cardioversion in patients with ...
Witte Klaus K A - - 2006
BACKGROUND: Cardiac resynchronization therapy (CRT) reduces symptoms and mortality in patients with left bundle branch block (LBBB) and severe chronic heart failure. There are few data demonstrating the effects of CRT on contemporary dyssynchrony variables in patients with advanced heart failure who have been chronically paced from the right ventricle ...
Pazin-Filho A - - 2006
Recent data from our laboratory have shown that patients with the indeterminate form of Chagas' disease can have impairment of left ventricular contractility, as evaluated by the slope of the left ventricle end-systolic pressure-dimension relationship. We also showed that Chagas' disease patients with minimal baseline wall motion abnormalities detected by ...
Almeida Edgar A F de - - 2006
BACKGROUND: Hypertension and increased left ventricular mass index (LVMI) have been reported in patients with early stages of autosomal dominant polycystic kidney disease (ADPKD). Whether these abnormalities are associated with diastolic dysfunction in this stage remains to be established. The aim of the study is to evaluate diastolic function in ...
Heyne J-P - - 2006
Hypertensive heart disease (HHD) causes structural changes (e.g., fibrosis) that result in diastolic and systolic myocardial dysfunction. Alterations of (31)P metabolism and cardiac energy impairments were assessed in patients with HHD by MR spectroscopy (MRS) and correlated with left ventricular systolic function. Thirty-six patients with HHD and 20 healthy controls ...
Iyengar Srinivas - - 2006
Due to the poor correlation between symptoms and left ventricular (LV) ejection fraction in a chronic heart failure (HF) population, the ability to identify patients who demonstrate LV functional recovery poses a dilemma for the clinician. Serial echocardiograms are not practical in a large outpatient HF population. Plasma brain natriuretic ...
Brady Jennifer - - 2006
BACKGROUND: Given that an elevated left ventricular (LV) end-diastolic pressure reflects an abnormality of diastolic function, we analyzed the outcome of this finding in patients without coronary artery disease (CAD). HYPOTHESIS: The degree to which diastolic dysfunction influences mortality has been confounded in most studies by CAD and advanced age. ...
Kutlay Sim - - 2006
BACKGROUND: The long-term behavior of left ventricular hypertrophy (LVH) was evaluated and potential predictors of change in left ventricular mass index (LVMI) in hemodialysis (HD) patients were determined. METHODS: One hundred eight patients on regular HD treatment were included. In addition to hematologic and biochemical evaluations, annual echocardiography and 24-hour ...
Stecker Eric C - - 2006
We sought to evaluate the contribution of left ventricular (LV) dysfunction toward occurrence of sudden cardiac death (SCD) in the general population, and to identify distinguishing characteristics of SCD in the absence of LV dysfunction. Patients who manifest warning symptoms and signs are more likely to undergo evaluation before SCD. ...
Finkelhor Robert S - - 2006
The impact of the growing obesity epidemic on the outpatient echocardiography laboratory and the characteristics of these patients were retrospectively investigated. Over a 6-month period, 916 patients were referred for study, 49.7% of whom were obese (body mass index >29.9 kg/m(2)), whereas only 22.3% were normal weight (body mass index ...
Rigo Fausto - - 2006
AIMS: Coronary flow-reserve (CFR) can be impaired in non-ischaemic dilated cardiomyopathy (DCM), unmasking a coronary microcirculatory dysfunction of potential prognostic impact. The aim of the present study is to evaluate the prognostic value of Doppler echocardiographic-derived CFR in patients with DCM. METHODS AND RESULTS: We evaluated 129 DCM patients (85 ...
Hsiao Shih-Hung - - 2006
OBJECTIVE: This study investigates the change in new diastolic indices in uremic patients who undergo regular hemodialysis (H/D). MATERIALS AND METHODS: We studied uremic patients receiving regular H/D. All patients were sinus rhythm before H/D. They had normal left ventricular systolic performance without regional wall motion abnormality. Patients were separated ...
Kang Soo-Jin - - 2006
OBJECTIVE: We sought to test if assessment of ventricular longitudinal contractility (LC) by Doppler tissue imaging (DTI) can predict reverse remodeling (RR) of left ventricular (LV) dysfunction resulting from medical treatment. METHODS: DTI was performed in 35 patients with nonischemic LV dysfunction (ejection fraction 26 +/- 7%) and LC was ...
Matsumoto Katsumi - - 2006
BACKGROUND: We assessed left ventricular (LV) function and myocardial glucose metabolism by fluoro-18-deoxyglucose (18F-FDG) positron emission tomography (PET) in patients with tachycardia-induced cardiomyopathy (TC). METHODS: The subjects were 42 patients with heart disease, consisting of 7 patients with TC (61.4 +/- 19.0 years, LVEF 34.1%+/- 10.6%) and 35 with ischemic ...
Myslinski Wojciech - - 2007
BACKGROUND: Left ventricular (LV) hypertrophy is a common consequence of systemic hypertension (SH) and obstructive sleep apnea (OSA). However, little is known about the degree of LV involvement in patients with OSA coexisting with treated SH. OBJECTIVES: Our study was designed in order to assess the prevalence of distinct types ...
Bozkurt Abdi - - 2006
Case-controlled studies have shown that the prevalence of left ventricular (LV) diastolic dysfunction is higher in patients with Behçet's disease. However, there are no data evaluating the value of Doppler tissue imaging (DTI) in Behçet's disease. The aim of this study was to evaluate the cardiac involvement and the LV ...
Carlsson, Marcus
Previous studies using echocardiography in healthy subjects have reported conflicting data regarding the percentage of the stroke volume (SV) of the left ventricle (LV) resulting from longitudinal and radial function, respectively. Therefore, the aim was to quantify the percentage of SV explained by longitudinal atrioventricular plane displacement (AVPD) in controls, ...
- - 2006
BACKGROUND: Hypertension is a major underlying disease that may cause left ventricular (LV) diastolic dysfunction, even without LV systolic dysfunction, and antihypertensive drugs could affect LV diastolic function. METHODS AND RESULTS: The Effect of Losartan and Amlodipine on Left Ventricular Diastolic Function in Patients With Mild-to-Moderate Hypertension (J-ELAN) study is ...
Li Xiulan - - 2006
The left ventricular regional systolic functions in patients with hypertrophic cardiomyopathy (HCM) were assessed by using quantitative tissue velocity imaging (QTVI). Left ventricular (LV) regional myocardial velocity along long- and short-axis in 31 HCM patients and 20 healthy subjects were analyzed by QTVI, and the regional myocardial systolic peak velocities ...
Nakase Kazunori - - 2006
BACKGROUND: Since the tumor growth depends on the formation of feeding vessels, color/power Doppler ultrasonography (US) has been used to evaluate the vascular flow images of lymph nodes (LNs) in order to differentiate benign LNs from malignant LNs or lymphoma from metastatic carcinoma. METHODS: We performed color/power Doppler ultrasonography (US) ...
Valle R - - 2006
AIMS: We examined the usefulness of BNP for screening for left ventricular (LV) diastolic dysfunction in a sample of type 2 diabetic patients, without structural heart disorder, who have never presented symptoms or signs of heart failure (HF). METHODS AND RESULTS: Seventy-six consecutive patients admitted to the Outpatient Diabetes Clinic ...
de Gregorio Cesare - - 2006
BACKGROUND: Most patients with growth hormone deficiency (GHD) show high body mass index. Overweight subjects, but GHD patients, were demonstrated to have high left ventricular mass index (LVMi) and abnormal LV geometric remodeling. We sought to study these characteristics in a group of GHD patients, in an attempt to establish ...
Zwanenburg Jaco J M - - 2005
OBJECTIVES: We aimed to study the relation between onset and peak time of circumferential shortening and the direction of propagation of these parameters in both ischemic and nonischemic patients. BACKGROUND: Peak time is often used to select patients for cardiac resynchronization therapy, whereas pacing influences only the onset times directly. ...
Oosterhof Thomas - - 2005
PURPOSE: To evaluate retrospectively the presence of fibrosis and largest diameter of the right ventricular outflow tract (RVOT) by using delayed enhancement magnetic resonance (MR) imaging in patients who had undergone initial correction for tetralogy of Fallot. MATERIALS AND METHODS: MR imaging was performed in 24 consecutive patients (16 male, ...
Hsiao Shih-Hung - - 2005
OBJECTIVES: The aim of this study was to investigate the changes of flow propagation velocity (FPV) after regular hemodialysis (H/D) in patient who were uremic with different baseline left ventricular (LV) functions. METHODS: In all, 24 patients with uremia and abnormal LV systolic function were enrolled in this study and ...
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