Heart rate variability in ventricular extrasystolia
Abstract
The aim of the study was to identify frequency characteristics of heart rate variability (HRV) in ventricular extrasystolia (VES). The HRV data of 34 VES patients treated at the Republican Research Center for Emergency Medical Care in 2006 (515 men and 19 women; mean age 57,6±6,6 years) were analyzed. VES verification was performed using 24?hour Holter ECG monitoring data. Frequency HRV analysis was performed by spectral method (Fourier), with standard (“MS Excel 97”, “Statistica 6.0”) and special programs. In VES patients, relative spectral density was decreased for low frequencies and increased for high ones, with emphasized HF?2 area. Relative decrease in mean frequency ratios, typical for VES, was accompanied by expected increase in LF/ULF. Therefore, frequency characteristics of HRV in VES patients not only reflect autonomous regulation balance, but also provide important diagnostic information on disturbances in vascular tone, central and neuro?humoral regulation mechanisms. Systematic approach towards pathogenetic mechanisms of VES development and progression provides an opportunity to study this type of heart pathology in connection with other organs and systems.
About the Author
R. K. Djamaldinova
Республиканский научный центр экстренной медицинской помощи МЗ Республики Узбекистан, Ташкент
Uzbekistan
Uzbekistan
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Review
For citations:
Djamaldinova R.K. Heart rate variability in ventricular extrasystolia. Russian Journal of Cardiology. 2008;(1):22-25. (In Russ.)
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