Table 1.
Mechanical properties of biodegradable prostheses before and after drug loading in comparison with the sheep carotid artery.
| Sample | N | Tensile Strength, MPa Me (25–75%) |
Elongation, % Me (25–75%) |
Young’s Modulus, MPa Me (25–75%) |
|---|---|---|---|---|
| Sheep carotid artery | 14 | 1.2 (1.06–1.9) |
158.5 (126.0–169.5) |
0.49 (0.39–0.66) |
| PHBV/PCL | 7 | 3.99 (3.71–4.23) ● |
1438.0 (1403.0–1510.0) ● |
11.52 (10.66–12.21) ● |
| PCL | 7 | 5.84 (5.56–6.13) ● |
1391.0 (1350.0–1413.0) ● |
9.33 (9.23–9.55) ● |
| PHBV/PCL/PVP | 7 | 3.61 (3.23–4.01) ● |
1202.0 (1120.0–1298.0) *,● |
19.8 (18.23–20.9) *,● |
| PCL/PVP | 7 | 3.75 (3.48–4.01) *,● |
1183.0 (1157.0–1215.0) *,● |
12.86 (11.86–14.06) *,● |
| PHBV/PCL/PVP/Ilo/A | 7 | 3.89 (3.88–3.99) ● |
1364.0 (1343.0–1393.0) *,● |
14.55 (13.22–15.24) *,● |
| PCL/PVP/Ilo/A | 7 | 4.02 (3.80–4.18) *,● |
1454.0 (1433.0–1458.0) *,●,▲ |
10.15 (9.82–10.57) *,●,▲ |
Note: *—p < 0.05 in comparison with PHBV/PCL or PCL; •—p < 0.05 in comparison with sheep carotid artery; ▲—p < 0.05 in comparison with PHBV/PCL/PVP or PCL/PVP. Data are presented as the median (Me) and interquartile range (25–75%).