Table 3.

Comparisons of the local in-surface principal strains in the central regions of the MV leaflets between the in vitro measurements and FE numerical predictions with various levels of model fidelity

	λR		λC
	MVAL	MVPL	MVAL	MVPL
30 mmHg transvalvular pressure
FE predictions—Level I	1.393 ± 0.054	1.487 ± 0.048	1.068 ± 0.023	1.048 ± 0.023
FE predictions—Level II	1.365 ± 0.039	1.448 ± 0.049	1.061 ± 0.023	1.043 ± 0.022
FE predictions—Level III	1.357 ± 0.041	1.437 ± 0.044	1.057 ± 0.021	1.038 ± 0.023
FE predictions—Level IV	1.341 ± 0.035	1.414 ± 0.039	1.049 ± 0.020	1.034 ± 0.021
In vitro measurements	1.336 ± 0.031	1.421 ± 0.035	1.048 ± 0.019	1.031 ± 0.016
70 mmHg transvalvular pressure
FE predictions—Level I	1.452 ± 0.059	1.556 ± 0.049	1.149 ± 0.038	1.126 ± 0.037
FE predictions—Level II	1.431 ± 0.037	1.532 ± 0.053	1.139 ± 0.039	1.118 ± 0.036
FE predictions—Level III	1.416 ± 0.044	1.508 ± 0.052	1.137 ± 0.037	1.115 ± 0.036
FE predictions—Level IV	1.393 ± 0.034	1.477 ± 0.047	1.124 ± 0.035	1.109 ± 0.032
In vitro measurements	1.386 ± 0.034	1.483 ± 0.037	1.116 ± 0.035	1.108 ± 0.021