Atrial Tissue
β3 adrenergic receptor activation increases human atrial tissue contractility and stimulates the L type Ca2+ current
... human atrial tissue contractility and stimulated the L-type Ca 2+ channel current (I Ca,L ) in isolated human atrial myocytes ...Right atrial tissue specimens were obtained from 57 ...
10
A 2D Electromechanical Model of Human Atrial Tissue Using the Discrete Element Method
... to atrial tissue, due to the discrete cellular arrangement, the dis- continuous tissue’s electrophysiological properties, and the complex geometry of the ...neous tissue, neglecting consideration of ...
13
Original Article Syndecan-4 shedding is involved in the oxidative stress and inflammatory responses in left atrial tissue with valvular atrial fibrillation
... and atrial tissue of failure hearts [11, ...in atrial tissue, because we found a strong correlation between the expression of Synd4, HMGB1, and ...the atrial tis- sue of ...
10
Dispersion of Recovery and Vulnerability to Re-entry in a Model of Human Atrial Tissue With Simulated Diffuse and Focal Patterns of Fibrosis
... and tissue electrophysiology have been used to examine how regions of simulated fibrosis affect activation and recovery in cardiac tissue, as well as vulnerability to arrhythmias (Trayanova et ...
17
Electro mechanical dynamics of spiral waves in a discrete 2D model of human atrial tissue
... the atrial tissue including the tissue’s electrophysiological heterogeneity, anisotropic structure and discrete cellular spatial ...First, atrial tissue is anisotropic in structure, with cells ...
30
Mitophagy and mitochondrial biogenesis in atrial tissue of patients undergoing heart surgery with cardiopulmonary bypass
... fractions. Atrial samples (30–50 mg) were rapidly thawed and subjected to polytron homogenization in ice cold mitochondrial isolation buffer (in mM: sucrose, 250; EDTA, 1; HEPES, 10; pH ...
10
Post-operative atrial fibrillation examined using whole-genome RNA sequencing in human left atrial tissue
... post-operative atrial fibrillation (poAF) after cardiac surgery [7, 8], indi- cating that the genetic background underlying both ambu- latory AF and poAF may be ...
11
Prediction of new-onset atrial fibrillation by atrial tissue doppler imaging - A novel method to measure total atrial conduction time.
... developing atrial fibrillation. Four important aspects of atrial fibrillation are treatable contributing factors, control of the ventricular rate, prevention of recurrences, and prevention of thromboembolic ...
74
Atrial Fibrillation Induced by Commotio Cordis Secondary to a Blunt Chest Trauma in a Teenage Boy
... the atrial tissue may exhibit a dispersion of refractoriness inducing a so-called heterogeneity of atrial repolarization, which can perpetuate and sustain ...
5
Human cardiac tissue in a microperfusion chamber simulating extracorporeal circulation - ischemia and apoptosis studies
... our atrial cardiac tissue model for apoptosis studies should be demon- ...The atrial tissue is easily obtainable from patients undergoing open-heart surgery, it is simple to prepare, the ...
8
Original Article Reduce of atrial remodeling of rapid atrial pacing pig by inhibition of renin-angiotensin system with telmisartan
... body tissue quickly, cut left atrium and left atrial tissue, flushed with physiological saline and removed blood fat tissue, put into liquid nitrogen tank quickly after packed and marked with ...
9
Investigation of the structural and molecular substrate of atrial fibrillation
... Despite numerous studies have indicated several methods to measure miRNAs expression levels, qPCR remain the gold standard technique for detection of certain sets of miRNAs. qPCR is a very specific, sensitive and ...
127
Synthesis and evaluating cardiac effects of 3,4 dihydropyrimidin 2 one 5 carboxylates in isolated atria of animal model
... This study suggests that the isolated perfused right atria method, which we first examined for study of the chronotropic effects of different materials on atrial tissue, is a suitable method for this ...
5
Cardiac Norepinephrine Stores in Experimental Heart Failure in the Dog
... Discussion The finding that the concentration of norepinephin atrial tissue of some patients with conrine TABLE IV heart failure was markedly reduced led gestive Responses of isolated pa[r] ...
9
Cardiac troponin T is necessary for normal development in the embryonic chick heart
... In the chick, pacemaker-like activity has been found in a small population of progenitor cells at HH8 (Bressan et al. 2013). The transcription factor TBX3 is a marker of the devel- oping conduction system, with ...
14
Case series of cardiac myxomas: A single institutional experience
... left atrium posterior to the interatrial groove. The point of attachment of the tumour to the atrium was determined by inspection and exploration of the tumour with the index finger. An oblique right atriotomy was made ...
88
Echocardiographic assessment of Left Atrial Appendage function in patients with Mitral Stenosis by Tissue Doppler Velocity Imaging.
... left atrial size, mitral valve score and valve gradient, obtained values were significantly higher in the AF group compared to the group in ...left atrial clot is usually sought in MS patients with AF ...
43
Radiofrequency catheter ablation in atrial arrhythmias : insight into pre-procedural evaluation and procedural guidance
... 3. Camm AJ, Kirchhof P, Lip GY, Schotten U, Savelieva I, Ernst S, Van Gelder IC, Al-Attar N, Hindricks G, Prendergast B, Heidbuchel H, Alfieri O, Angelini A, Atar D, Colonna P, De CR, De SJ, Goette A, Gorenek B, Heldal ...
240
Assessment of atrial regional and global electromechanical function by tissue velocity echocardiography: a feasibility study on healthy individuals
... of atrial mechanical force, it was surprising to find no correlations between the vari- ables obtained by the two different ...all atrial walls by TVE are less dependent on volume loading conditions than ...
12
A Prospective Clinical Study of Arrhythmias in Acute Myocardial Infarction
... cause Atrial premature contractions and the atrial tachyarrhythmias (paroxysmal supraventricular tachycardia ,atrial flutter, and atrial fibrillation) ...associated atrial epicarditis, ...
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