Objective Laws and Quantitative Value of Helical Blood Flow in Precerebral Arteries, pp. 129-163
Authors: Vladimir P. Kulikov, Roman I. Kirsanov, Altai State Medical University, Barnaul, Russia
Abstract: Classical haemodynamic treats blood flow in blood circulation system from the points of view of laminar and turbulent motion. Besides, there are some ideas of helical (spiral or swirling) blood flow in heart chambers and great vessels [Frazin et al., 1990; Stonebridge, Brophy, 1991; Kilner et al., 1993; Zakharov, 1994]. Nowadays the existence of helical blood flow is proved by means of color Doppler ultrasound and phase-contrast magnetic resonance angiography. The biological significance of helical blood flow causes a lot of dispute. Helical blood flow is supposed to be more favourable energetically [Bagaev et al., 2001; Gharib et al., 2006], beneficial for blood circulation and organs perfusion [Frazin et al., 1996] and it is supposed to prevent from the development of atherosclerosis [Houston et al., 2004; Caro et al., 2005; Shinke et al., 2008; Liu et al., 2009]. According to another point of view helical blood flow is a pathogenetic factor of the evolution of atherosclerosis [Kilner et al., 1993; Pritchard et al., 1995; Texon et al., 2001]. It is evident that there is no possibility to evaluate adequately physiological and pathophysiological significance of helical blood flow knowing nothing about the objective laws of this phenomenon. However, the laws of helical blood flow are still poorly investigated. This research is an attempt to systematize the data about helical blood flow in cardiovascular system.