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. Author manuscript; available in PMC: 2024 Mar 9.
Published in final edited form as: Acta Biomater. 2023 Nov 2;173:109–122. doi: 10.1016/j.actbio.2023.10.027

Table 3.

Passive material parameters estimated by the finite-element tissue models using subject-specific regional thickness at each time-point. Parameters λs and ΦC characterize the mean collage slack stretch and volume fraction, respectively, and were calculated from imaging and used as inputs. The ratio denotes the infarct-to-remote thickness ratio.

am (kPa) bm ac (kPa) bc λs ΦC Thickness Ratio

Sham 3.36 0.96 17.9 3.58 1.184 0.14 -
1-wk 6.21 0.11 5.53 0.28 1.068 0.15 0.85
2-wk 2.92 0.06 6.65 0.04 1.055 0.60 0.70
3-wk 1.97 0.04 1.38 1.56 1.095 0.21 0.45
4-wk 1.52 0.013 1.10 0.018 1.043 0.16 0.52