Exploring causal interactions between blood pressure and RR interval at the respiratory frequency

Content Provider	Semantic Scholar
Author	Cucino, R. Faes, Luca Nollo, Giandomenico
Copyright Year	2006
Abstract	The mechanisms underlying the relationship between RR interval and systolic arterial pressure (SAP) variability at the respiratory frequency are still object of discussion. In this study, the information on directionality provided by causal cross-spectral analysis was exploited to infer possible influences of respiration on cardiovascular parameters variability. The ability of causal analysis to account for directionality in RR-SAP interrelationships in presence of respiratory exogenous effects was first tested on model simulations. Hence, real data measured on healthy subjects during spontaneous and paced breathing at 0.25 Hz were analysed. The results obtained in real data were consistent with simulations, thus supporting the hypothesis of different influences of respiration on SAP and RR interval variability under different physiological conditions.
Starting Page	649
Ending Page	652
Page Count	4
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.cinc.org/Proceedings/2006/pdf/0649.pdf
Alternate Webpage(s)	http://www.cinc.org/archives/2006/pdf/0649.pdf
Alternate Webpage(s)	http://cinc.mit.edu/archives/2006/pdf/0649.pdf
Journal	2006 Computers in Cardiology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article