Abstract:
:Atrial fibrillation (AF) is the most common arrhythmia in clinical practice. It can occur at any age, however, it becomes extremely common in the elderly, with a prevalence approaching more than 20% in patients older than 85 years. AF is associated with a wide range of cardiac and extra-cardiac complications and thereby contributes significantly to morbidity and mortality. Present therapeutic approaches to AF have major limitations, which have inspired substantial efforts to improve our understanding of the mechanisms underlying AF, with the premise that improved knowledge will lead to innovative and improved therapeutic approaches. Our understanding of AF pathophysiology has advanced significantly over the past 10 to 15 years through an increased awareness of the role of "atrial remodeling". Any persistent change in atrial structure or function constitutes atrial remodeling. Both rapid ectopic firing and reentry can maintain AF. Atrial remodeling has the potential to increase the likelihood of ectopic or reentrant activity through a multitude of potential mechanisms. The present paper reviews the main novel results on atrial tachycardia-induced electrical, structural and contractile remodeling focusing on the underlying pathophysiological and molecular basis of their occurrence. Special attention is paid to novel strategies and targets with therapeutic significance for atrial fibrillation.
journal_name
Curr Med Chemjournal_title
Current medicinal chemistryauthors
Jost N,Kohajda Z,Kristóf A,Kovács PP,Husti Z,Juhász V,Kiss L,Varró A,Virág L,Baczkó Idoi
10.2174/092986711796642373subject
Has Abstractpub_date
2011-01-01 00:00:00pages
3675-94issue
24eissn
0929-8673issn
1875-533Xpii
BSP/CMC/E-Pub/2011/ 280journal_volume
18pub_type
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