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. 2011 Oct 14;133(9):91008–NaN. doi: 10.1115/1.4004996

Table 3.

Indices of vascular biomechanics

AscAo TA Ductus Mid dAo dAo IA RCCA LCCA LSA
Rest Exer Rest Exer Rest Exer Rest Exer Rest Exer Rest Exer Rest Exer Rest Exer Rest Exer
Maximum Circumferential Strain (%)
Normal 5.6 7.2 5.9 7.0 4.7 5.3 4.3 4.3 3.8 3.1 4.0 5.5 2.8 3.4 5.5 6.4 3.9 5.5
Native CoA (moderate) 8.4 15.3 5.6 9.8 1.4 3.2 2.8 2.5 2.6 2.0 4.4 8.4 2.9 5.3 3.2 5.7 1.8 3.3
Native CoA (severe) 8.8 7.6 3.4 1.6 1.0 8.3 4.5 4.6 3.9
Postop (end-to-end) 2.2 3.1 1.3 1.7 1.0 1.1 1.2 1.3 1.2 1.3 1.2 1.8 0.9 1.3 1.1 1.7 0.8 1.0
Postop (end-to-side) 4.7 6.3 5.1 5.9 4.8 6.4 2.7 3.2 1.8 1.6 2.6 3.5 1.8 2.3 1.8 2.3 2.4 3.7
TAWSS - 5 mm bands (dyn/cm2)
Normal 39 77 42 108 29 85 24 70 24 70 59 77 48 60 40 66 46 59
Native CoA (moderate) 32 77 92 289 179 618 40 124 36 118 67 104 75 127 47 79 58 99
Native CoA (severe) 33 147 529 45 57 100 87 74 96
Postop (end-to-end) 28 58 52 146 50 148 11 39 17 51 54 93 27 39 20 41 33 21
Postop (end-to-side) 18 31 18 38 11 25 23 54 27 60 22 30 13 16 10 12 13 9
OSI-5 mm bands (dimensionless)
Normal 0.11 0.09 0.07 0.05 0.07 0.03 0.06 0.02 0.06 0.02 0.08 0.16 0.06 0.12 0.12 0.13 0.08 0.19
Native CoA (moderate) 0.11 0.10 0.04 0.03 0.08 0.11 0.05 0.06 0.02 0.02 0.10 0.21 0.05 0.23 0.11 0.22 0.08 0.15
Native CoA (severe) 0.20 0.07 0.12 0.20 0.03 0.09 0.17 0.19 0.09
Postop (end-to-end) 0.13 0.11 0.07 0.03 0.09 0.09 0.20 0.14 0.08 0.02 0.10 0.10 0.09 0.13 0.17 0.17 0.02 0.18
Postop (end-to-side) 0.19 0.16 0.24 0.18 0.27 0.20 0.10 0.04 0.10 0.06 0.19 0.20 0.19 0.25 0.22 0.28 0.14 0.24
Amount exposed to subnormal
TAWSS (%) AscAo TA Entire dAo IA RCCA LCCA LSA
Normal 60 32 63 3 49 3 80 78 42 35 79 70 46 53
Native CoA (moderate) 74 34 34 6 11 1 75 55 22 20 52 28 39 54
Native CoA (severe) 57 28 7 36 28 16 12
Postop (end-to-end) 66 41 48 7 80 6 85 73 96 91 96 69 88 87
Postop (end-to-side) 95 63 93 73 47 9 99 96 98 98 97 92 97 95
Amount of region exposed to elevated OSI (%)
Normal 24 18 41 25 48 10 26 84 35 87 31 61 17 86
Native CoA (moderate) 45 35 29 32 34 38 51 93 50 97 25 82 9 90
Native CoA (severe) 48 61 58 75 97 73 51
Postop (end-to-end) 39 24 47 21 75 42 31 81 81 99 49 77 9 59
Postop (end-to-side) 72 61 89 84 64 31 83 94 100 100 89 92 82 95