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A comparison of cardiovascular reflex tests and spectral analysis of heart rate variability in healthy subjectsŠega, Saša, dr. med., nevrologinja, 1962- ; Jager, Franc, računalništvo ; Kiauta, TomažDetermination of whether results of cardiovascular reflex tests and spectral analysis of heart rate variability are age dependent and whether there is correlation between results of both, ... cardiovascular reflex tests (the Valsalvamanoeuvre, deep breathing test, handgrip test, cold face stimulus test, orthostatic test) and spectral analysis of heart rate variability were performed on 83 healthy volunteers of both genders, aged 21 to 70 years. We found that results of all heart rate based tests and results of spectral analysis decreased with aging, while results of blood pressure based tests didnot. Parasympathetic activity predominated in younger subjects, while in older subjects sympathetic activity was dominant. Valsalva, deep breathing, and orthostatic ratios correlated with integrals of amplitude spectra in the standing posture and deep breathing and cold face stimulus ratios with integrals of amplitude spectra in the supine posture, whereas blood pressure changes during handgrip and orthostatic test did not correlate with integrals of the amplitude spectra. These findings suggest that tests based on heart rate may be more sensitive than tests based on blood pressure changes. This study supports the use of spectral analysis as an additional clinical test of autonomic nervous system function and stresses the importance of age in the evaluation of the results of autonomic nervous system function testing.Source: Clinical autonomic research. - ISSN 0959-9851 (Vol. 3, no. 2, April 1993, str. 175-182)Type of material - article, component partPublish date - 1993Language - englishCOBISS.SI-ID - 1184084
Author
Šega, Saša, dr. med., nevrologinja, 1962- |
Jager, Franc, računalništvo |
Kiauta, Tomaž
Topics
avtonomni živčni sistem |
spektralna analiza |
variabilnost srčne frekvence |
kardiovaskularni odzivi |
autonomic nervous system |
spectral analysis |
heart rate variability |
cardiovascular reflexes
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Šega, Saša, dr. med., nevrologinja, 1962- | 08752 |
Jager, Franc, računalništvo | 03438 |
Kiauta, Tomaž | 04411 |
Source: Personal bibliographies
and: SICRIS
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