Table 3.

Left Ventricular Biomechanical Properties After Adult Rat Surgery. Fung model parameters $\left(c,c_{\theta \theta },c_{\theta L},c_{LL}\right)$ and biomechanical properties were determined at 4 weeks after either sham surgery or myocardial infarction (MI) for adult rats.

Adult Biomechanical Properties	Adult Sham (n=7)	Adult MI (n=7)	P-value
$c$	17.03 ± 4.07	7.20 ± 1.95	0.0502
$c_{\theta \theta }$	2.19 ± 0.29	9.07 ± 2.83	0.0320
$c_{\theta L}$	1.81 ± 0.36	8.50 ± 2.77	0.0341
$c_{LL}$	1.04 ± 0.14	4.01 ± 1.62	0.0935
Anisotropy	0.73 ± 0.08	0.72 ± 0.08	0.9357
Circumferential Modulus (kPa)	180.0 ± 5.4	321.5 ± 46.9	0.0111
Longitudinal Modulus (kPa)	172.3 ± 7.6	315.4 ± 51.3	0.0173
Maximum Shear Stress (kPa)	3.23 ± 0.48	14.87 ± 4.14	0.0162