Virtual FFR Quantified with a Generalized Flow Model Using Windkessel Boundary Conditions

Table 1

FFR values for the second lesion at 5 different cardiac cycles, for different values of the mesh size.

N vertices	Cycle N	1	2	3	4	5
1478	FFR	0.9803	0.93115	0.8538	0.9179	0.9203
		0.9803	0.9557	0.9217	0.9208	0.9207
1746	FFR	0.9792	0.9382	0.9128	0.9278	0.9505
		0.9792	0.9587	0.9434	0.9420	0.9417
2143	FFR	0.9824	0.9228	0.8644	0.9308	0.9111
		0.9824	0.9526	0.9232	0.9251	0.9223
2786	FFR	0.9795	0.9214	0.8777	0.9138	0.9221
		0.9795	0.9504	0.9262	0.9231	0.9229
3731	FFR	0.9819	0.9203	0.8180	0.9210	0.9143
		0.9819	0.9511	0.9067	0.9103	0.9111
5254	FFR	0.9759	0.9194	0.8037	0.9014	0.9101
		0.9759	0.9476	0.8996	0.9001	0.9021
7908	FFR	0.9790	0.9267	0.8305	0.9082	0.9106
		0.9790	0.9528	0.9120	0.9111	0.9110
13916	FFR	0.9724	0.9231	0.8251	0.9222	0.9172
		0.9724	0.9477	0.9068	0.9107	0.9120
30658	FFR	0.9619	0.9243	0.8278	0.9064	0.9036
		0.9619	0.9431	0.9046	0.9051	0.9048
51528	FFR	0.9608	0.9220	0.8271	0.8993	0.9013
		0.9608	0.9414	0.9033	0.9023	0.9021

The same value of time step was adopted for all simulations . FFR is the value for the cardiac cycle while is the average FFR value.