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2009 NOV 9 ... with prolonged QRS duration. The aim of this study was to examine whether CRT improves atrial function and induces atrial reverse remodeling," researchers in Rennes, France report. ...
2009 NOV 16 ... Journal of Cardiovascular Pharmacology, "The effect of carperitide, recombinant human atrial natriuretic peptide, on chronic heart failure (HE) has not been clarified. We ... weeks, the myocardial levels of cyclic guanosine monophosphate (cGMP), left ventricular function, myocyte hypertrophy, interstitial fibrosis, myocardial capillary vessel density, and ...
2009 NOV 16 ... malignancy in whom LV function was normal. Multivariate analysis showed pre-operative atrial fibrillation and NYHA FC IV to be significant risk factors for cardiac-related death. ...
2009 NOV 16 ... genes (glycogenes) were significantly differentially expressed among neonatal and adult atrial and ventricular myocytes. The N-glycan structures produced among cardiomyocyte types ... The researchers concluded: "A mechanism is described by which cardiac function is controlled and modulated through physiological and pathological processes that ...
2009 NOV 16 ... between the pacing sites after adjustment for age, gender, arterial hypertension, atrial fibrillation, New York Heart Association class and left ventricular end-diastolic ... in Circulation Journal (Survival Analysis in Patients With Preserved Left Ventricular Function and Standard Indications for Permanent Cardiac Pacing Randomized to Right Ventricular ...
2009 NOV 24 ... the interval series, it is found that, it is impractical to discriminate the diseases of atrial fibrillation (AF) and congestive heart failure (CHF) unambiguously from the healthy," ... that this index can help discriminate sensitively the mild heart failure (cardiac function classes 1 and 2) from the healthy gives a clue to early clinic diagnosis of ...
2009 NOV 23 ... tissue velocity (E/E-1), peak MV early-to-late diastolic velocity ratio (E/A), and left atrial dimension (range of absolute r = 0.16-0.28). Both MV E/A and E/E' were more strongly ... testing at baseline. We tested the hypothesis that echo measures of LV diastolic function predict key cardiopulmonary exercise outcomes, including aerobic exercise capacity (peak ...
2009 NOV 9 ... aim of this study was to determine the ability to identify thrombus within the left atrial appendage (LAA) in the setting of atrial fibrillation (AF) using transthoracic ... fibrillation (AF) using transthoracic echocardiography (TTE). In AF, the structure and function of the LAA has historically been evaluated using transesophageal echocardiography ...
2009 NOV 9 ... treatment of venous thromboembolism, prevention of stroke in patients with nonvalvular atrial fibrillation, and treatment of thromboembolic complications, following acute coronary ... dabigatran pharmacokinetics associated with age are attributable to variation in renal function. Dabigatran etexilate produces a predictable pharmacodynamic effect and requires no ...
2009 NOV 16 ... heart. The contribution of SR Ca2+ stores to contractile activation is larger in atrial than ventricular muscle, and in ectothermic fish hearts acclimation to low temperatures ... "The hypotheses that chamber-specific and temperature-induced differences in SR function are due to the increased SR CASQ content were tested in rainbow trout (Oncorhynchus ...
2009 NOV 17 ... According to recent research from Louvain, Belgium, "Persistent atrial fibrillation (AF) has been associated with structural and electric remodeling and ... (AF) has been associated with structural and electric remodeling and reduced contractile function. / Objective: To unravel mechanisms underlying reduced sarcoplasmic reticulum (SR) Ca2+ ...
2009 NOV 23 ... 2.5-5.0 microg/kg/min, and a recontrol phase while maintaining constant heart rates with atrial pacing. Dispersion of repolarization was calculated from the total recovery time (TRT, ... Adrenergic stimulation can be proarrhythmic in patients with impaired left-ventricular function and its effect on repolarization dispersion has not been systematically investigated," ...
2009 NOV 29 ... Aside from aging itself, obesity appears to be the most powerful predictor of left atrial enlargement (LAE), upping one's risk of atrial fibrillation (the most common type of ... in this chamber ultimately increases as well as resulting in enlargement and loss of function of the atrium. The mechanisms by which obesity might promote the increased size of the ...
2009 NOV 23 ... "We present our experience in repairing all varieties of atrial septal defects with the aid of continuous antegrade perfusion of an empty beating heart ... revision of a patch; postoperative echocardiography showed normal left ventricular function and no residual shunt Total intensive care unit stay was less than 24 hours for all ...
2009 NOV 2 ... (RVA) lead positions in patients following 'ablate and pace' therapy for persistent atrial fibrillation. 'Ablate and pace' patients were randomised to either RVHS or RVA ... VO2 at anaerobic threshold, peak heart rate, total exercise time and total workload. CLS function was equally optimal at both electrode sites," wrote J. Silberbauer and colleagues. ...
2009 NOV 16 ... Ireland) from October 2004 until February 2008. We implanted 139 SelectSecure leads (atrial n=70; ventricular n=69) in 90 patients (57 male) with CHD. Median age at implantation: ... necessary in patients with congenital heart disease (CHD). Preservation of ventricular function and avoidance of venous occlusion is important in these patients." ...
