Why the study?
Does hypertension affect the synchronization between heart rate variability and local geomagnetic field variations?
Does hypertension affect the synchronization between heart rate variability and local geomagnetic field variations?
Hypertensive individuals show decreased synchronization between heart rate variability and geomagnetic field variations, suggesting impaired baroreflex sensitivity.
May link geomagnetic activity to HRV in hypertension; leaves open causal relevance and clinical utility.
Synchronization between heart rate variability (HRV) in the low-frequency (LF) range (0.04-0.15 Hz) and 1-min variations in the components (X, Y, Z)and the total vector (F) of geomagnetic induction (nT) was studied in normotensive (blood pressure up to 140/90 mmHg) and hypertensive (blood pressure above 140/90 mmHg) individuals living in the Arkhangelsk region (60°51'52″ N 39°31'05″ E).The duration of registration of HRV for each person is 30 min in a sitting position. The most pronounced synchronization of the LF parameter, which reflects baroreflex activity, with variations in the GMF was found in normotensive individuals. The absence of a significant synchronization of the LF parameter with variations in the GMF components indicates a decrease in the sensitivity of the baroreflex mechanism and a risk of dysregulation of vascular tone, especially in people with arterial hypertension, under conditions of instability of the geomagnetic field.
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Поскотинова et al. (2022) studied this question.
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