Biomedical Engineering Reference
In-Depth Information
Fig. 8.11
Analysis of wall displacement and effective wall shear stress for stenotic arteries. (
a
)
Wall displacement for the symmetric stenotic artery; (
b
) wall shear stress for the symmetric ste-
notic artery; (
c
) wall displacement for the non-symmetric stenotic artery, (
d
) wall shear stress for
the non-symmetric stenotic artery. (Image from Valencia and Villanueva 2006)
Table 8.2
Instantaneous recirculation lengths at systolic time 0.932s
.
The rigid and elastic arteries
are compared based on recirculation lengths at different percentage of stenosis (%), and the sym-
metry of the stenosis. (Adapted from Valencia and Villanueva 2006)
Recirculation length (mm)
Rigid artery
Elastic artery
Percentage of
stenosis (%)
Symmetrical
Non-symmetrical
Symmetrical
Non-symmetrical
50
0
4.91
2.60
4.59
60
7.52
7.04
3.43
4.69
70
13.6
8.67
2.83
3.64
80
24.8
10.2
0
0
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