LEFT ATRIAL REMODELING AS A MARKER RHYTHM DISORDERS IN ARTERAL HYPERTENSION
Keywords:
hypertrophy of the left ventricular myocardium, remodeling - “stunning” of the left atrium, rhythm disturbances, arterial hypertension.Abstract
The study of left atrial myocardial remodeling and the clinical significance associated with the decrease in myocardial contractility during stunning is reversible has remained controversial In addition, the question of whether myocardial stunning has clinical significance, since the decrease in myocardial contractility during stunning is reversible, remained controversial. An increase in blood pressure leads to the development of left ventricular (LV) remodeling, which includes the processes of hypertrophy and dilatation, changes in geometry and impaired systolic and diastolic functions. Structural changes in the LV are accompanied by an overload of the left atrium (LA) and its dilatation, which, in turn, leads to stunning of the LA and is a factor predisposing to the development of rhythm disturbances such as ventricular extrasystoles (VE), atrial fibrillation (AF). On the other hand, this rhythm disturbance itself causes LA dilatation. However, recent research data show that a more accurate indicator of the structural reconstruction of LA stannige is the left atrium volume index.
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