Search Results
Results 301 - 350 of 1281
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GromadziƄski Leszek - - 2007
BACKGROUND: Tissue Doppler imaging enables qualitative and quantitative assessment of myocardial function of the left and right ventricles. AIM: To compare systolic longitudinal mitral and tricuspid annular velocities in a congestive heart failure (CHF) patient group with clinical suspicion of pulmonary embolism (PE). METHODS: Fifty-five consecutive CHF patients with a ...
Kawabata Mihoko - - 2007
BACKGROUND: Cardiac resynchronization therapy (CRT) improves functional capacity in heart failure patients. This study aimed to prospectively analyze long-term device-based monitoring of physical activity in patients undergoing CRT. METHODS AND RESULTS: The Activity Log Index (ALI), calculated by CRT devices, represents the percentage of time when acceleration exceeds a threshold ...
Pratali Lorenza - - 2007
BACKGROUND: Inotropic reserve identified by dobutamine or dipyridamole stress echocardiography is associated with a better outcome in patients with idiopathic dilated cardiomyopathy (DCM), although the relative prognostic value of each remains unsettled. The purpose of the present study was to assess the relative prognostic value of dobutamine versus dipyridamole stress ...
Stöllberger Claudia - - 2008
AIMS: Little is known how patients with left ventricular hypertrabeculation/non-compaction (LVHT) and heart failure respond to cardiac resynchronization therapy (CRT). METHODS AND RESULTS: Included in this retrospective study were 8/102 patients (3 female, age range 43-78 years), in whom LVHT was diagnosed and in whom a CRT system was implanted. ...
Etchecopar-Chevreuil Caroline - - 2008
The objective was to prospectively evaluate cardiac morphological and functional changes using transesophageal echocardiography (TEE) during early septic shock. Prospective, observational study. Medical-surgical intensive care unit of a teaching hospital. Ventilated patients with septic shock, sinus rhythm and no cardiac disease underwent TEE within 12h of admission (Day0), after stabilization ...
Wang Jianwen - - 2007
BACKGROUND: Recent studies validated the measurement of left ventricular (LV) untwisting rate (UR) by speckle tracking echocardiography. A few reports suggest that it may provide additional noninvasive insight into LV diastolic function. METHODS AND RESULTS: Simultaneous echocardiographic imaging and LV pressure measurements (7F Millar catheters) were performed in 8 adult ...
Kohli Sanjay K - - 2008
AIMS: Left-ventricular non-compaction (LVNC) is characterized by excessive and prominent left-ventricular (LV) trabeculations and may be associated with systolic dysfunction in advanced disease. We sought to determine the proportion of patients fulfilling LVNC criteria in an adult population referred to a heart failure clinic using current diagnostic criteria. METHODS AND ...
Huang Zheng-rong - - 2007
BACKGROUND: There remains controversy about whether Brugada syndrome (BS) has structural heart changes. We occasionally noted that a patient with BS had a quite unusual regional wall motion abnormality at the basal segment of the interventricular septum (IVS) during echocardiographic examination. The unexpected finding promoted us to reexamine our patients ...
Peraldo Carlo - - 2007
OBJECTIVE: To prospectively determine whether prespecified electrocardiographic, echocardiographic and tissue Doppler imaging (TDI) selection criteria may predict a positive response to cardiac resynchronisation therapy (CRT). METHODS: In this multicentre, prospective, non-randomised study, 96 heart failure patients with New York Heart Association class III-IV symptoms, an ejection fraction of < or ...
Khongphatthanayothin Apichai - - 2007
OBJECTIVES: To determine the prevalence of myocardial depression and its effect on the clinical severity in patients with dengue hemorrhagic fever. DESIGN: Clinical study. SETTING: King Chulalongkorn Memorial Hospital, Bangkok, Thailand. PATIENTS: Ninety-one children (age 10.5 +/- 2.9 yrs, male/female = 52/39) with serologically or polymerase chain reaction-proven dengue virus ...
Jastrzebski D - - 2007
The objective of this study was to determine the prevalence of left ventricular (LV) dysfunction in patients with advanced interstitial lung disease (ILD) and the relationship between LV function and factors limiting physical activity. In 2005-2006, 40 patients with end stage ILD were admitted with qualifications for lung transplantation (LT). ...
Bezante Gian Paolo - - 2007
OBJECTIVE: To assess myocardial involvement in patients with systemic sclerosis (SSc) with no signs or symptoms of cardiac impairment (New York Heart Association functional class I). METHODS: Fifty patients (45 women, 5 men, age 53.3 +/- 12.9 yrs) who did not complain of serious diseases other than SSc were recruited ...
Popescu Bogdan A BA Prof. Dr. C. C. Iliescu Institute of Cardiovascular Diseases, Bucharest, Romania. - - 2007
Left atrial (LA) volume and B-type natriuretic peptide (BNP) represent powerful outcome predictors in patients with heart failure (HF). To assess the comparative prognostic role of LA volume (indexed to body surface area, LAVi), left ventricular diastolic dysfunction (LVDD) and BNP levels on long-term outcome in patients with symptomatic but ...
Wislowska M - - 2008
The results of some epidemiological studies point to the presence of an increased risk of cardiovascular disease (CVD), particularly atherosclerosis and congestive heart failure (CHF) in rheumatoid arthritis (RA). At least 50% of abnormalities remained asymptomatic. Pathological conditions contributing to myocardial dysfunction such as high serum levels of IL-6, C-reactive ...
Emkanjoo Zahra - - 2007
AIMS: Cardiac resynchronization therapy (CRT) is an effective treatment for heart failure patients with prolongation of QRS duration. Despite careful patient selection, some do not respond to CRT based on QRS complex duration. We sought to evaluate the presence of left ventricular dyssynchrony using tissue Doppler imaging (TDI) according to ...
Yeragani Vikram Kumar - - 2007
OBJECTIVE: To compare the left-right differences in pulse wave velocity (PWV) measures in normal controls and patients with anxiety disorders and cardiac disease. Pulses from the right and left sides of normal subjects are highly correlated at each segmental level. However, some evidence suggests that the right hemisphere has a ...
Taieb Jerome M - - 2007
BACKGROUND: RF ablation of frequent premature ventricular contractions (PVC) has recently been shown to improve left ventricular (LV) systolic function and dimensions in a few patients, however mainly when they originated from the right ventricular outflow tract. METHODS: RF ablation was performed at various ventricular locations in six consecutive patients ...
Castellant Philippe - - 2008
BACKGROUND: Cardiac resynchronization therapy (CRT) is a recognized treatment modality for patients with dilated cardiomyopathy (DCM), left bundle branch block, and severe cardiac failure. However, 30% of patients are "nonresponders." Intriguingly, the opposite case has not been reported until recently: Do some patients treated with CRT have a "complete" recovery ...
Lam Yat-Yin - - 2007
OBJECTIVES: The aim of this study was to examine whether restrictive right ventricular (RV) physiology (the presence of antegrade pulmonary arterial flow in late diastole) occurred in patients with moderate to severe isolated pulmonary valvular stenosis (PVS) and to estimate its prevalence and relationship to RV function and patient symptoms. ...
Babaee Bigi Mohamad Ali - - 2008
BACKGROUND: Risk stratification in Brugada syndrome is controversial, especially in asymptomatic individuals. OBJECTIVE: The purpose of this study was to evaluate tissue Doppler echocardiography in risk stratification of Brugada syndrome. METHODS: Patients with Brugada ECG pattern were enrolled in the study. Left ventricular (LV) preejection period was defined as the ...
Uebing Anselm - - 2007
BACKGROUND: Patients after repair of tetralogy of Fallot (ToF) frequently have right ventricular (RV) dysfunction and prolonged QRS duration (QRSd) and thus could be candidates for cardiac resynchronization therapy. We aimed to assess the relationship between QRSd and the timing of RV wall motion, including the RV outflow tract (RVOT), ...
Bogazzi Fausto - - 2008
OBJECTIVE: Left ventricular (LV) hypertrophy and myocardial fibrosis are considered the main pathological features of acromegalic cardiomyopathy. The aim of the study was to evaluate the proportion of LV hypertrophy and the presence of fibrosis in acromegalic cardiomyopathy in vivo using cardiac magnetic resonance (CMR). DESIGN AND PATIENTS: Fourteen consecutive ...
Yannopoulos Demetris - - 2007
OBJECTIVES: We sought to identify the impact of cardiac resynchronization therapy (CRT) on atrial tachyarrhythmia (AT) susceptibility in patients with left ventricular (LV) systolic dysfunction in whom worsening heart failure (HF) resulted in upgrade from conventional dual-chamber pulse generator to cardiac resynchronization therapy-defibrillator (CRT-D). BACKGROUND: Cardiac resynchronization therapy with a ...
Tiryaki Tunc - - 2007
BACKGROUND: Some degree of eyebrow asymmetry is present in many patients who request periorbital rejuvenation, although patients are often unaware of minor asymmetries. There are few parameters for defining eyebrow asymmetry and its incidence in otherwise healthy patients in the literature. OBJECTIVE: We investigated whether bilateral, symmetric chemodenervation of the ...
Laurenzi Francesco - - 2007
BACKGROUND: There are few studies on cardiac resynchronization therapy (CRT) in heart failure (HF) patients with preexisting right ventricular (RV) pacing. The purpose of this study was to determine the efficacy of CRT upgrading in RV-paced patients and the predictivity of electromechanical dyssynchrony parameters (EDP) evaluated by standard echocardiography (ECHO) ...
Naidu M Smita K - - 2007
Cervical cancer (CaCx) is a global public health problem as it is the second most common cancer leading to the death of women worldwide. Many references revealed that the low levels of antioxidants induce the generation of free radicals leading to DNA damage and further mutations. In the present study ...
Dato Ilaria - - 2008
A 35-year-old male patient suffering from dyspnoea on effort for 8 months, with abdominal and jugular venous distension, was previously studied in another hospital and discharged with a diagnosis of restrictive cardiomyopathy. Physical examination revealed a blood pressure of 110/60 mm Hg and absence of pericardial knock and also of ...
Lavie Carl J - - 2007
Left ventricular (LV) geometry predicts cardiovascular events. Although obesity is a risk factor for cardiovascular diseases, studies have noted a paradox regarding obesity and prognosis. To our knowledge no studies have determined the impact of obesity on LV geometry as well as mortality in patients with preserved ejection fraction. We ...
Mariano-Goulart Denis - - 2007
This study aimed to assess the ability of global and local systolic parameters measured with gated blood-pool SPECT (GBPS) to diagnose and characterize the severity of diffuse or localized arrhythmogenic right ventricular dysplasia (ARVD). METHODS: Fifty-nine subjects with symptomatic ventricular arrhythmias were prospectively included in the study. With the International ...
Weinsaft Jonathan W - - 2008
BACKGROUND: Left ventricular (LV) mass and ejection fraction are of diagnostic and therapeutic importance in patients with systolic dysfunction. Cardiac MRI (CMR) has been proposed as a standard for these indices. Prior studies have variably included papillary muscles and trabeculae in either intracavitary or myocardial volumes. Quantitative effects and clinical ...
Nunes Maria do Carmo P Mdo - - 2008
BACKGROUND: Right ventricular (RV) involvement is a typical feature of Chagas' disease. In patients with congestive heart failure of other etiologies, RV dysfunction is a strong indicator of poor prognosis. However, the prognostic value of RV dysfunction in patients with Chagas' cardiomyopathy has not been reported. This study sought to ...
Res Jan C J - - 2007
The BRIGHT study evaluated bifocal right ventricular (RV) (apex and outflow tract) pacing in a single, blind, randomized crossover study in patients eligible for cardiac resynchronization therapy (CRT). Forty-two patients were enrolled with the following characteristics: chronic drug refractory heart failure New York Heart Association (NYHA) class III-IV; ejection fraction ...
Stevinson Brad G - - 2007
AIMS: We hypothesized that first-time submassive pulmonary embolism (PE) can cause persistent, significant cardiopulmonary problems, including right ventricular damage and worsened quality of life in patients with no prior cardiopulmonary disease. METHODS AND RESULTS: We prospectively enrolled 205 patients without end-stage comorbidity diagnosed with submassive PE (systolic blood pressure always ...
Hare J L - - 2008
OBJECTIVE: To assess the feasibility and potential impact of routine three-dimensional (3D) echocardiographic assessment of left ventricular (LV) ejection fraction and volumes on clinical decision-making. METHODS: Patients referred to three hospital-based echocardiography laboratories underwent 2D echocardiography (2DE) and 3D echocardiography (3DE). Feasibility was assessed in a group of 168 unselected ...
Begieneman M P V - - 2008
BACKGROUND: Pulmonary embolism (PE) is a significant cause of morbidity and mortality. In a recent study in patients with PE, an increased level of macrophages was found in the right ventricle. OBJECTIVE: To evaluate the presence of inflammatory cells, myocytolysis and intracavitary thrombi in the left and right ventricle of ...
Buch Eric - - 2007
BACKGROUND: Many patients with appropriate indications fail to respond to cardiac resynchronization therapy (CRT). OBJECTIVE: The purpose of our study was to determine the relationship between CRT response and preimplantation apical wall motion abnormality. METHODS: We analyzed data from 83 patients with ischemic cardiomyopathy who underwent CRT. All patients had ...
Galema Tjebbe W - - 2008
BACKGROUND: Patients with severe aortic stenosis (AS) require valve replacement before development of irreversible left ventricular (LV) dysfunction. It has been postulated that Doppler tissue imaging (DTI) parameters are more sensitive to detect subtle LV dysfunction compared with conventional echocardiographic parameters. OBJECTIVE: We sought to assess early LV dysfunction with ...
deFilippi Christopher R - - 2007
Cardiac troponin T level predicts a gradient risk for death in patients using hemodialysis. We used cardiovascular magnetic resonance (CMR) to determine whether an asymptomatic increase of troponin T in patients using hemodialysis is associated with subclinical myocardial infarction (MI). Twenty-six patients using long-term hemodialysis (49 +/- 12 years of ...
Samesima Nelson - - 2007
OBJECTIVE: There is little research on the ventricular electrical aspects following cardiac resynchronization therapy (CRT). This study sought to establish electrocardiographic criteria associated to the ventricular electrical activation process that could identify patients with functional class (FC) improvement after CRT, by using the noninvasive method of body surface potential mapping ...
Aleem Aamer - - 2007
OBJECTIVE: Cardiovascular complications in sickle cell disease (SCD) have been well documented but cardiac involvement in Saudi patients with SCD is not known. We sought to identify cardiac abnormalities by echocardiography in adolescent and adult Saudi patients with stable SCD. METHODS: Sixty-five consecutive patients with SCD followed at King Khalid ...
Holmes Sari D - - 2007
OBJECTIVE: To assess if mental stress hemodynamic responses are impaired and related to mental stress (MS) ischemia in patients with left ventricular (LV) dysfunction. BACKGROUND: Impaired LV function is an important coronary artery disease (CAD) risk factor and hemodynamic characteristics play an important role in clinical outcomes. Patients with severe ...
Gan C Tji-Joong - - 2007
This study investigated whether right ventricular (RV) diastolic function is impaired in pulmonary hypertension (PH) patients, and whether it is related to RV mass and afterload. In addition, the effects of an acute reduction of RV afterload by the oral intake of sildenafil were studied. Finally, we assessed whether diastolic ...
Westerhout Cynthia M - - 2007
AIM: To examine the association of left ventricular hypertrophy (LVH) on admission electrocardiography with adverse outcomes in acute coronary syndrome (ACS) patients. METHODS AND RESULTS: A total of 7443 non-ST-elevation ACS patients in Global Utilization of STrategies to Open occluded arteries (GUSTO) IV ACS trial had admission electrocardiograms analysed at ...
Limongelli Giuseppe - - 2007
The aim of this study was to characterize cardiovascular involvement in a large number of patients with LEOPARD syndrome. Twenty-six patients (age range 0 to 63 years, median age at the time of the study evaluation 17 years) underwent clinical and genetic investigations. Familial disease was ascertained in 9 patients. ...
Bangalore Sripal - - 2007
The purpose of this study was to evaluate the role of stress echocardiography in the risk stratification and prognosis of patients with left ventricular (LV) hypertrophy. One thousand two patients (mean age 62 +/- 13 years, 35% men) with LV hypertrophy (defined by LV mass index >115 g/m(2) for men ...
Henneman Maureen M - - 2007
Cardiac resynchronization therapy (CRT) is now a well-recognized therapeutic option for patients with end-stage heart failure. However, not all patients respond to CRT, and, therefore, preimplantation identification of responders is desirable. The aim of the present study was to investigate whether the degree of left ventricular (LV) dyssynchrony, as assessed ...
Cianfrocca Cinzia - - 2007
Dobutamine echocardiography is commonly used to detect contractile reserve in ischaemic left ventricular (LV) systolic dysfunction, although its sensitivity and specificity are not optimal. We tested the hypothesis that echocardiography with levosimendan could identify contractile reserve in patients with a non-diagnostic dobutamine test. Twenty-two patients with LV ejection fraction <40% ...
Soliman Osama I I - - 2007
We evaluated the value of baseline parameters derived from tissue Doppler imaging (TDI) for event prediction in patients with heart failure (HF) secondary to ischemic and nonischemic cause who underwent cardiac resynchronization therapy (CRT). Seventy-four consecutive patients with HF (mean age 59 +/- 11 years) underwent CRT. Baseline clinical parameters ...
Akpinar Onur - - 2007
Beta-thalassaemia major is a chronic haemolytic anaemia, and congestive heart failure (CHF) is the most common cause of death in this disease. N terminal pro B type natriuretic peptide (NT-proBNP) increases with the severity of CHF and predicts the prognosis. The aim of this study was to investigate the relation ...
Friedberg Mark K - - 2007
BACKGROUND: Right ventricular (RV) function is an important determinant of clinical status in children with hypoplastic left heart syndrome (HLHS). However, assessment of RV function remains challenging because of its complex morphology. We investigated the S/D duration ratio in children with HLHS as a novel index of global RV function. ...
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