Table 1.
Mechanical properties of ECM components, smooth muscle cells, blood vessels, and commercial vascular prosthesis in terms of young's modulus (MPa), stress at break (MPa) and/or burst pressure (mmHg), strain at break (%) and compliance (%/100 mmHg).
| Human vascular tissue and substitutes | Young's modulus (MPa) | Stress at break (MPa) and/or BP (mmHg) | Strain at break (%) | Compliance (%/100 mmHg) |
|---|---|---|---|---|
| Elastin | 0.3–1 [1,23] | 1–2 MPa [23] | 100–150% [23] | NA |
| Collagen | 100 [1] 1000 [13,23] |
120 MPa [23] 50–100 MPa [13] |
13% [23] | NA |
| SMCs | 0.1–2 [1] | NA | NA | NA |
| Human femoral artery | 9-12 (circ) [24] | 1–2 MPa (circ) [24] | 63-76 (circ) [24] 155 (circ) [25] 120 (long) [25] |
5.9 [26] |
| Internal mammary artery | 8.0 (circ) [27] 16.8 (long) [27] |
4.1 MPa (circ) [27] 4.3 MPa (long) [27] 2000 mmHg [27] 3196 mmHg [28] |
134 (circ) [27] 59 (long) [27] |
11.5 [28] |
| Saphenous vein | 4.2 (circ) [27] 23.7 (long) [27] |
1.8 MPa (circ) [27] 6.3 MPa (long) [27] 1680–3900 mmHg [27] 1600 mmHg [28] |
242 (circ) [27] 83 (long) [27] |
4.4 [26] |
| Dacron | 800-900 [12] 14 000 [29] |
170–180 MPa [29] | 5-20 (circ) [25] 60-130 (long) [25] |
1.9 [26] |
| Teflon | 500 [29] | 14 MPa [29] 600 mmHg [30] |
5-25 (circ) [25] 100-140 (long) [25] |
1.6 [26] |
Circ: circumferential; long, longitudinal; ECM, extracellular matrix; SMCs, smooth muscle cells.