Structural–functional characteristics of brachiocephalic vessels in hypertensive patients under changed atmospheric pressure
- Authors: Melnikov V.N.1, Polyakov V.Y.2, Krivoshchekov S.G.1, Baranov V.I.1, Rechkina S.Y.3
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Affiliations:
- Research Institute of Physiology and Basic Medicine, Siberian Branch
- Research Center for Clinical and Experimental Medicine, Siberian Branch
- Medical sanitary unit
- Issue: Vol 42, No 7 (2016)
- Pages: 799-802
- Section: Brief Communications
- URL: https://journals.rcsi.science/0362-1197/article/view/176934
- DOI: https://doi.org/10.1134/S0362119716070094
- ID: 176934
Cite item
Abstract
The ultrasonic location technique was used to measure the intima-media thickness (IMT) as well as the internal systolic diameter of and the linear blood velocity (LBV) in the cervical arteries in subjects with initial stages of hypertension. Correlation analysis elicited a temporal contingency between these parameters and daily average values of atmospheric pressure. Thus, the common carotid artery IMT tended to increase on high-pressure days. In addition, diameters of the common and internal carotid arteries and vertebral artery were narrowed and, consequently, LBV in these vessels increased. This relationship is more evident in men than women and in elderly subjects than young. These results are suggestive of a vasoconstrictive effect of high atmospheric pressure on these arteries. The relationship is not universal, as it is nonlinear for the diameter of the internal carotid artery and inverse for the external one. This implies different sensitivity of arteries to the factor under study and possible blood redistribution in the arterial tree depending on external pressure. The relationship was observed equally on the day of investigation and previous days, which points to its temporal stability.
About the authors
V. N. Melnikov
Research Institute of Physiology and Basic Medicine, Siberian Branch
Author for correspondence.
Email: mevlanic@yandex.ru
Russian Federation, Novosibirsk
V. Ya. Polyakov
Research Center for Clinical and Experimental Medicine, Siberian Branch
Email: mevlanic@yandex.ru
Russian Federation, Novosibirsk
S. G. Krivoshchekov
Research Institute of Physiology and Basic Medicine, Siberian Branch
Email: mevlanic@yandex.ru
Russian Federation, Novosibirsk
V. I. Baranov
Research Institute of Physiology and Basic Medicine, Siberian Branch
Email: mevlanic@yandex.ru
Russian Federation, Novosibirsk
S. Yu. Rechkina
Medical sanitary unit
Email: mevlanic@yandex.ru
Russian Federation, Novosibirsk