Abstract
The time and spectral analysis of blood pressure signals (BP of systolic, diastolic, pulse) obtained in real time and reflecting the work of the heart at short time intervals is presented. As a time interval, a sequence of one hundred cardiac cycles was chosen. The main parameters of variability are determined. The proposed method of analysis is an analogue of heart rate variability (HRV), based on the study of RR cardiointervals. Spectral analysis of blood pressure signals shows differences in the degree of orderliness or disorder of individual frequencies or the spectrum as a whole. The presented methodology will allow to reveal further features for use in the diagnosis of various pathologies.
Reference7 articles.
1. Wolf-Maier K., Cooper R. S., Banegas J. R. et al. Hypertension prevalence and blood pressure levels in 6 European countries, Canada, and United States. The journal of the American Medical Association, 2003, no. 289, pp. 2363–2369.
2. Gorbunov V. M. Modern views on blood pressure variability. Ratsionalnaya farmakoterapiya v kardiologii, 2012, no. 8(6), pp. 810–818. (In Russian).
3. Rothwell P. M., Howard S. C., Dolan E. et al. Prognostic significance of visit-to-visit variability, maximum systolic blood pressure and episodic hypertension. Lancet, 2010, no. 375(9718), pp. 895–905.
4. Pavlova O. S., Nechesova T. A., Liventseva M. M. et al. Modern possibilities of effective control of blood pressure in clinical practice. (In Russian). Available at: http://www.cardio.by/files/299/ag1.pdf/ (accessed 30.09.2018).
5. Troistkaya Е. А., Kotovskaya Uy. V., Kobalava Zh. D. The evolution of attitudes about the importance of blood pressure variability. Arterialnaya gipertenziya, 2013, no. 19(1), pp. 6–17. (In Russian).