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KMID : 1151920210030010035
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Chronobiology in Medicine
2021 Volume.3 No. 1 p.35 ~ p.39
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Correlative Connections between Chronostructures of Water-Mineral Homeostasis and Weather Indices in Cardiovascular Pathology
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Babayan Lyusya A.
Hayrapetyan Hamlet G.
Gulyan Ara K.
Sarafyan Pargev K.
Vardanyan Hrachya A.
Danoyan Hayk E.
Petrosyan Zarmandukht S.
Meliksetyan Anahit E.
Harutyunyan Tsoghik G.
Danoyan Eduard H.
Poghosyan Lianna M.
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Abstract
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Objective: In this article, we studied the chronoperiodical system of homeostasis of electrolytes and trace elements and their correlative connections with the rhythms of hydrometeorological indices in cardiovascular pathology and in healthy individuals.
Methods: Two hundred patients with cardiovascular pathology and 70 healthy subjects were on unified regimen. Urine was collected with 4-h portions, during 72?120 h (3?5 days). Each specimen was analyzed for macro- (sodium, potassium, calcium, magnesium, chlorine, phosphorus) and microelements (ferrum, cuprum, zinc, chromium, cadmium, vanadium). Rhythms parameters have been estimated by nonlinear least squares method for sinusoidal rhythms and dispersion analysis for nonsinusoidal rhythms. Data of weather indices were received from the Hydrometeorological Service of Armenia.
Results: In the healthy subjects, statistically significant rhythms were observed in 91% of rhythmological investigations of urinary excretion electrolytes and trace elements. Acrophases of rhythms were mostly individual. On the early stage of hypertension and ischemic heart disease, electrolytes and trace elements rhythms were statistically nonsignificant in 22?23% of cases. Among significant rhythms, the infradians prevailed (46?53%). In the late stage of hypertension and ischemic heart disease, the rhythms of electrolytes and trace elements were statistically nonsignificant in 31?32% of cases. In patients with cardiovascular pathology, statistically significant correlative connections between rhythms of water-mineral homeostasis and rhythms of weather indices differ in comparison with the results of practically healthy individuals.
Conclusion: Examination results of patients with cardiovascular pathology showed a direct influence of hydrometeorological indices on a temporal structure of an organism as well as a decrease of adaptive possibilities of homeostasis of electrolytes and trace elements.
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KEYWORD
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Biorhythm, Mesor, Amplitude, Acrophase, Electrolyte, Trace element
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