Electrophysiological and molecular mechanisms of paroxysmal atrial fibrillation

S Nattel, D Dobrev - Nature Reviews Cardiology, 2016 - nature.com
… 1), although the precise clinical correlates of these fundamental … Atrial fibrillation is initiated
and maintained by focal ectopic … involves premature or rapid ectopic activity. Numerous risk …

Molecular and cellular mechanisms of atrial fibrosis in atrial fibrillation

S Nattel - JACC: Clinical Electrophysiology, 2017 - jacc.org
correlated with AF recurrence after cardioversion: higher PNP concentrations are associated
with electrocardiographic indexes of abnormal atrial conduction and correlate with AF …

Molecular basis of atrial fibrillation pathophysiology and therapy: a translational perspective

S Nattel, J Heijman, L Zhou, D Dobrev - Circulation research, 2020 - Am Heart Assoc
Atrial fibrous-tissue content is increased in patients with pAF and atrial scarring correlates
with … At the same time, spontaneous atrial ectopic activity seems to be an important trigger for …

[HTML][HTML] Molecular insights in atrial fibrillation pathogenesis and therapeutics: a narrative review

KA Papathanasiou, SG Giotaki, DA Vrachatis, G Siasos… - Diagnostics, 2021 - mdpi.com
… is critical in triggering DADs and thus increased atrial ectopic activity. In human AF models,
… fibroblasts and epicardial adipose tissue (EAT) are positively correlated with atrial fibrosis …

[HTML][HTML] Autonomic imbalance and atrial ectopic activity—A pathophysiological and clinical view

A Scridon - Frontiers in Physiology, 2022 - frontiersin.org
atrial ectopy, is widely recognized. The aim of this review is to discuss the main mechanisms
involved in atrial ectopic activity. … In atrial fibrillation, ectopic foci, most commonly located at …

Atrial fibrosis as a dominant factor for the development of atrial fibrillation: facts and gaps

A Xintarakou, S Tzeis, S Psarras, D Asvestas… - EP …, 2020 - academic.oup.com
… human atria the degree of fibrosis has been correlated with … are increased in cardiomyocytes
of patients with AF. In addition… cause ectopic firing and to enhance fibrosis formation in atrial

[HTML][HTML] Are interactions between epicardial adipose tissue, cardiac fibroblasts and cardiac myocytes instrumental in atrial fibrosis and atrial fibrillation?

A Krishnan, E Chilton, J Raman, P Saxena… - Cells, 2021 - mdpi.com
Atrial fibrillation is characterized by chaotic, ectopic electrical activity and uncoordinated …
[6] are all correlated with increased risk of persistent atrial fibrillation. The most important …

Linking cellular energy state to atrial fibrillation pathogenesis: potential role of adenosine monophosphate–activated protein kinase

P Chakraborty, S Nattel, K Nanthakumar - Heart rhythm, 2020 - Elsevier
… The onset of AF was preceded by atrial conduction slowing and frequent atrial ectopic beats.
Although reversal of some pathological changes by genetic activation of AMPK has been …

Atrial metabolism and tissue perfusion as determinants of electrical and structural remodelling in atrial fibrillation

D Opacic, KA van Bragt, HM Nasrallah… - Cardiovascular …, 2016 - academic.oup.com
… More specifically, a proteomic analysis demonstrated that correlates of increased oxidative
atrial ectopic activity. This was associated with an increased propensity to triggered activity

[HTML][HTML] Degree of fibrosis in human atrial tissue is not the hallmark driving AF

K S. Ramos, L Pool, MS van Schie, LFJM Wijdeveld… - Cells, 2022 - mdpi.com
atrial fibrillation (AF). In this current study, we investigated the relation between the degree
of fibrosis in human atrial tissue samples of controls and patients in … did not correlate with the …