What Kerdoe’s Vegetative Index really reflects?

Abstract

Fajda Oleksandra I., Hrinchenko Borys V., Snihur Oleh V., Barylyak Liliya G., Zukow Walery. What Kerdoe’s Vegetative Index really reflects? Journal of Education, Health and Sport. 2015;5(12):279-288. ISSN 2391-8306. DOIhttp://dx.doi.org/10.5281/zenodo.35421

http://ojs.ukw.edu.pl/index.php/johs/article/view/2015%3B5%2812%29%3A279-288

http://pbn.nauka.gov.pl/works/681547

Formerly Journal of Health Sciences. ISSN 1429-9623 / 2300-665X. Archives 2011–2014http://journal.rsw.edu.pl/index.php/JHS/issue/archive

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© The Author (s) 2015;

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This is an open access article licensed under the terms of the Creative Commons Attribution Non Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non commercial

use, distribution and reproduction in any medium, provided the work is properly cited.

The authors declare that there is no conflict of interests regarding the publication of this paper.

Received: 10.11.2015. Revised 25.11.2015. Accepted: 14.12.2015.

WHAT KERDOE’S VEGETATIVE INDEX REALLY REFLECTS?

Oleksandra I. Fajda¹, Borys V. Hrinchenko¹, Oleh V. Snihur¹, Liliya G. Barylyak^2,3, Walery Zukow⁴

¹JSC „Dnipro-Beskyd“, Truskavets’, Ukraine    alexavka7@gmail.com; verdo

²JSC “ Truskavets’kurort”, Truskavets’, Ukraine

³Laboratory of Experimental Balneology, OO Bohomolets’ Institute of Physiology NAS, Truskavets’-Kyiv     i.popovych@ukr.net

⁴Faculty of Physical Education, Health and Tourism, Kazimierz Wielki University, Bydgoszcz, Poland   w.zukow@ukw.edu.pl

Abstracts

Background. Index I Kerdö, the author proposed back in 1966, ie before the era HRV, to quantify the autonomic tone continues to be widely used. We set a goal to analyze the relationships Kerdö's Vegetative Index (KVI) with parameters of HRV and EEG, as well as with Mineralocorticoide, Calcitonin and Parathyrin Activities. Methods. In basal conditions in men, patients with chronic pyelonephritis and cholecystitis in remission, recorded Blood Pressure and Heart Rate (“Omron-4MI”, Netherland), HRV (“Cardiolab+VSR”, KhAI Medica, Ukraine) and EEG (“NeuroCom Standard”, KhAI Medica, Ukraine). In urine determining the concentration of Phosphates, Calcium, Potassium and Sodium. Results. No correlation ascertained between KVI and LF/HF Ratio (r=-0,18) and Baevskiy’s Vegetative Index (r=0,17). However, KVI weakly correlated with Power Spectrum Density (PSD) LF (r=-0,35), (VLF+LF)/HF Ratio (r=-0,32) and Baevskiy’s Stress Index (r=0,32) as well as with Parathytin Activity (r=0,33), estimated by Urina Phosphates/Calcium Ratio. Medium strength correlation (r=0,56) found between KVI and Baevskiy’s Activity Regulatory Systems Index in Orthostase. However, the strongest correlations of KVI proved with Amplitude of α-Rhythm Ongoiging EEG (r=0,57) and PSD P4-α (r=0,65). Canonical correlation between KVI, on the one hand, and the parameters of EEG, HRV and Parathyrin Activity, on the other hand, was very strong: R=0,933; R²=0,870; Adjusted R²=0,758; F₍₁₈₎=7,8; χ²₍₁₈₎=62; p<10^-5. Conclusion. Kerdö’s Vegetative Index reflects above all Amplitude of α-Rhythm EEG and its Power Spectrum Density in Parietal and Central loci, less options HRV, but is not marker of sympatho-vagal balance.

Keywords: Kerdö’s Vegetative Index, HRV, EEG, correlations.