| Issue |
Eur. Phys. J. AP
Volume 8, Number 3, December 1999
|
|
|---|---|---|
| Page(s) | 265 - 268 | |
| DOI | https://doi.org/10.1051/epjap:1999255 | |
| Published online | 15 December 1999 | |
https://doi.org/10.1051/epjap:1999255
Physical determinism in human arterial dynamics
1
Laboratoire d'Énergétique des Systèmes et Procédés (UMR CNRS 6614)
CORIA - Université et INSA de Rouen, 76821 Mont Saint Aignan Cedex, France
2
Service de Pharmacologie, Unité de Pharmacologie Clinique, Hôpital de Bois Guillaume, CHU
de Rouen, 76821 Mont Saint Aignan Cedex, France
Corresponding authors: Nicolas.Michoux@coria.fr gerard.gouesbet@coria.fr
Received:
10
July
1998
Revised:
11
May
1999
Revised:
9
November
1999
Accepted:
9
November
1999
Published online: 15 December 1999
A successful global vector field reconstruction from physiological signals is obtained for the first time. Data are generated by blood pressure and arterial diameter oscillations by using an arterial catheter with pressure transducer and an ultrasonic echo-tracking system, respectively. Results lead to the unambiguous evidence that such biological systems are characterized by a low-dimensional deterministic dynamical behavior. It is shown that a physiological system can be modelled from the knowledge of its behaviour only, as this has yet been done for theoretical systems and for laboratory designed experiments.
PACS: 05.45.-a – Nonlinear dynamics and nonlinear dynamical systems / 87.19.Rr – Mechanical properties of tissues and organs / 87.80.-y – Biological techniques and instrumentation; biomedical engineering
© EDP Sciences, 1999
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