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This study aimed to explore the 24-h patterns of stroke volume, cardiac output, and peripheral vascular resistance along with other correlated variables, such as left ventricular ejection time, ejection velocity index, thoracic fluid index, heart rate, and blood pressure. The study was performed on 12 clinically healthy subjects by means of a noninvasive beat-to-beat monitoring using the thoracic electric bioimpedance technique associated with the automated sphygmomanometric recording. Time data series were analyzed by means of chronobiological procedures. The results documented the occurrence of a circadian rhythm for all the variables investigated, giving relevance to the beat-to-beat bioperiodicity of cardiac output and peripheral vascular resistance. Temporal quantification of the investigated variables may be useful for a better insight of the chronophysiology of the cardiovascular apparatus.
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
January 1993,
International anesthesiology clinics,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
January 2001,
Medical science monitor : international medical journal of experimental and clinical research,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
November 2006,
Computers in biology and medicine,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
January 2011,
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
September 1970,
The Journal of physiology,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
October 2023,
Journal of theoretical biology,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
December 2010,
Cardiovascular diabetology,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
March 1970,
Zeitschrift fur Kreislaufforschung,
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
November 2018,
Hypertension (Dallas, Tex. : 1979),
P Cugini, and
L Di Palma, and
S Di Simone, and
P Lucia, and
P Battisti, and
A Coppola, and
G Leone
October 1985,
Clinical science (London, England : 1979),
