Atrial Function
ASSESSMENT OF LEFT ATRIAL FUNCTION IN PATIENTS WITHMITRAL VALVE DISEASES
... Atrial function, in a close interdependence with left ventricular (LV) function, plays a key role in maintaining an optimal cardiac ...left atrial (LA) modulates LV filling its reservoir, ...
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Left Atrial Function Following Surgical Ablation of Atrial Fibrillation: Prospective Evaluation Using Dual Source Cardiac Computed Tomography
... of atrial fibrillation (AF); however, little is known about the quality of functional re- covery in the left atrium (LA) following successful sinus rhythm conversion by the Maze ...LA function in three ...
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Impact of epicardial ablation of concomitant atrial fibrillation on atrial natriuretic peptide levels and atrial function in 6 months follow-up: does preoperative ANP level predict outcome of ablation?
... both atrial appendages in the original Cox-maze procedure is a major cause of postoperative ANP decrease ...on atrial stretching secondary to hemodynamic changes, but also on structural state and remodeling ...
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Atrial specific pathways for control of intracellular signaling and myocyte function
... atria. Atrial function is regulated by a variety of intracellular signaling networks that facilitate rapid communication and coordinate responses of atrial ...
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Echocardiographic Evaluation of Left Atrial Mechanics: Function, History, Novel Techniques, Advantages, and Pitfalls
... reservoir function and LA stiffness using 2D measurements have been validated ...and function will likely play a more definitive role in the future [55, ...of atrial function using this ...
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Assessment of atrial regional and global electromechanical function by tissue velocity echocardiography: a feasibility study on healthy individuals
... left atrial (LA) diameter is associated with cardiovascular disease and is a risk factor for atrial fibrillation, stroke and ...LA function reliably predicts exercise capacity in patients with recent ...
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EVALUATION OF RIGHT VENTRICLE SYSTOLIC AND DIASTOLIC FUNCTION IN PATIENTS WITH PAROXYSMAL ATRIAL FIBRILLATION
... atrial dilatation play an important role in the pathoge- nesis of AF. These subclinical changes develop to adapt changes initially induced by increased afterload or preload. These changes gradually leads to the ...
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A Study on Oorthuva Vatham
... Next follows the thickening of the alveolar walls because of the interstitial oedema. Upto this stage, no significant impairment of gaseous exchange occurs. However prolonged elevation of hydrostatic pressure and due to ...
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Radiofrequency catheter ablation in atrial arrhythmias : insight into pre-procedural evaluation and procedural guidance
... identification of the arrhythmogenic substrate and critical isthmus of a presumed macro-reentrant circuit with only brief episodes of induced tachycardia. First, a registered three-dimensional (3D) shell of the cardiac ...
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Contemporary Management of Atrial Fibrillation: Update on Anticoagulation and Invasive Management Strategies
... for Atrial Fibrillation) pilot study, which is currently under way, will be followed by a 3000-patient CABANA mortality trial, in which 1500 patients older than 65 years or younger than 65 years but with other ...
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Evaluation of left atrial volume and function using single-beat real-time three-dimensional echocardiography in atrial fibrillation patients
... Between June and September 2014, a total of 50 con- secutive AF patients who visited the hospital for radio- frequency ablation were enrolled. AF was diagnosed by combined conventional electrocardiography (ECG) and ...
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Complex interaction between the atrium and the ventricular filling process: the role of conduit
... when atrial stunning minimises the cavity’s ability to pump, signifi- cantly increases the conduit contribution to ventricular filling, together with some increments in ...
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Associations of (pre)diabetes with right ventricular and atrial structure and function: the Maastricht Study
... associated with RV structure and functioning [19, 33] (i.e. systolic blood pressure, antihypertensive medication use, smoking status, prior cardiovascular disease, and waist circumference); and model 3 was additionally ...
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Pressure flow studies in man: effect of atrial systole on left ventricular function
... of atrial contraction on left ventricular function, the pressure gradient technique was used to measure instantaneous aortic blood flow and pressure in nine patients, six having complete heart block and ...
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Original Article The influence of left atrial appendage closure on the structure and function of the left atrium
... size, end-diastolic volume, end-systolic volume, end-diastolic area, and end-systolic area of the LA could influence the structure and function of the LA and help improve cardiac function. NT-proBNP is an ...
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Plasma levels of natriuretic peptides and development of chronic kidney disease
... Lastly, limitations of this study should be raised as follows. Plasma levels of ANP or BNP are elevated in patients with cardiac hypertrophy or reduced left ven- tricular function [3–6]. When recruiting the study ...
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Stretch induced atriopeptin secretion in the isolated rat myocyte and its negative modulation by calcium
... the atrial myocyte are currently unknown. Osmotic stretch of isolated atrial myocytes as well as potassium chloride depolarization were potent stimuli of atriopeptin ...
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Immunoreactive Atrial Natriuretic Peptide in Ventricles, Atria, Hypothalamus, and Plasma of Genetically Hypertensive Rats
... To evaluate the role of extra-atrial atrial natriuretic peptide (ANP) in volume and blood pressure regulation, the plasma, atrial, ventricular, and hypothalamic levels of immunoreactive [r] ...
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Atrial natriuretic peptide inhibits mineralocorticoid receptor function in rat colonic surface cells
... PR function in- cluding steroid binding, amount of receptor protein, stability of receptor mRNA, nuclear translocation, transcriptional ac- tivity, nuclear exit, and recycling of receptor back to the ste- ...
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Pressure flow studies in man: effect of atrial systole on ventricular function in mitral stenosis
... of atrial contraction on left ventricular function in six patients with varying degrees of mitral stenosis was determined by utilizing the pressure gradient technique to measure instantaneous aortic blood ...
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