Publication: Blood flow in human system
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Date
2002-03-01
Authors
Chong, Chee Nan
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Abstract
Interest for human vascular hemodynamics is an old research issue. In recent years,
however, a renewed growth and interest has been prompted by the increase in
sophistication in both non-invasive diagnostic technology and cardiovascular surgical
techniques. In the clinical setting, in addition to the global hemodynamics, local and organspecific
information are being sought after. This is particularly important in the design of
reconstructive procedures to suit individual patients and in the quantitative assessment of
cardiovascular pathophysiology. Large research effort is currently being devoted to
examine local fluid dynamics in various portions of the circulatory system, especially in the
presence of complex geometry (such as vessel branching, junctions, connections, and
stenoses) or flow patterns (such as those due to pulsatility, swirling, vortices, and jets).
Local hemodynamics is responsible for pressure changes that in turn influence blood flow
distribution in the downstream vessels or organs