Insufficient Leaflet Remodeling in Patients With Atrial Fibrillation
نویسندگان
چکیده
منابع مشابه
Insufficient Leaflet Remodeling in Patients With Atrial Fibrillation
Atrial fibrillation (AF) is a common cardiac rhythm disorder, found prominently among elderly patients and patients with heart failure. Prevalence of AF is increasing as society is aging and is predicted to double for the next 20 years. Research shows that AF causes left atrial (LA) and mitral annular dilatation; however, the relationship between annular dilatation caused by AF and mitral regur...
متن کاملInsufficient Leaflet Remodeling in Patients With Atrial Fibrillation: Association With the Severity of Mitral Regurgitation.
BACKGROUND The relationship between annular dilatation caused by atrial fibrillation (AF) and mitral regurgitation (MR) remains controversial. We hypothesized that the small ratio of total leaflet area/annulus area (TLA/AA), reflecting insufficient leaflet remodeling to annular dilatation, is a main component of MR in patients with AF. METHODS AND RESULTS Three-dimensional transesophageal ech...
متن کاملRole of atrial remodeling in patients with atrial fibrillation.
Atrial fibrillation (AF) maintenance is promoted by an atrial substrate that is suitable for the initiation and continuation of the re-entering wavelets. During the first week of AF, the atrial substrate is modified by electrical remodeling, with shortening of the atrial refractoriness and slowing of the conduction velocity. Structural remodeling is the so-called "second factor" that facilitate...
متن کاملRemodeling Induced by Atrial Fibrillation
trial fibrillation (AF) is one of the most common arrhythmias observed in clinical practice. It is well known that paroxysms of AF become longer, that AF becomes refractory to pharmacological rhythm-control treatment, and that the electrical defibrillation threshold is gradually elevated. The most accepted concept explaining these clinical phenomena is so-called remodeling. There is a body of e...
متن کاملMonitoring the progression of the atrial electrical remodeling in patients with paroxysmal atrial fibrillation.
It is important to clarify how electrical remodeling develops in clinical cases of paroxysmal atrial fibrillation (PAF), because it has been suggested that this electrophysiological phenomenon promotes an increase in the frequency of PAF. In the present study, the f-f interval during PAF was analyzed from the ambulatory ECG recordings of 21 patients with PAF (total PAF duration >2/24 h with nor...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Circulation: Cardiovascular Imaging
سال: 2017
ISSN: 1941-9651,1942-0080
DOI: 10.1161/circimaging.116.005451