Title :
Modelling the interaction between heart rate and arterial pressure variability
Author :
Baselli, G. ; Cerutti, Sergio ; Pagani, Mattia ; Rimoldi, O.
Author_Institution :
Dipartimento Automazione Ind., Univ. degli Studi, Brescia, Italy
Abstract :
For the analysis of causal interactions between heart rate (HR) and arterial pressure (AP) variability signals, classic causality tests are applied. A linear parametric model with a double-loop structure is used to describe the feedback effect of AP on HR and of AP on itself and also with respiration as an exogenous signal. The parameters of the model are identified from real HR, AR, and respiration data, and different mechanisms in the generation of variability spectral components are detected.<>
Keywords :
cardiology; haemodynamics; physiological models; arterial pressure variability; causality tests; double-loop structure; feedback effect; heart rate; linear parametric model; respiration data; variability signals; variability spectral components;
Conference_Titel :
Engineering in Medicine and Biology Society, 1988. Proceedings of the Annual International Conference of the IEEE
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-0785-2
DOI :
10.1109/IEMBS.1988.94639
