Table 3:

Comparison of arterial damage by the wall-contact devices and the aspiration device^a

	Wall-Contact Devices (n = 16)	Aspiration System (n = 4)	P Value^b
Mural thrombus (%)	6.6 ± 15.7	0 ± 0	.28
Endothelial denudation (%)	81.0 ± 16.8	40.1 ± 47.5	.15
Intimal layer edema (%)	58.8 ± 48.9	100 ± 79.1	.27
IEL fractured (%)	26.6 ± 51.2	12.5 ± 14.4	.92
Medial layer edema (%)	46.3 ± 34.8	75 ± 35.4	.13

↵a Data are means +/− standard deviations.
↵b Mann-Whitney test comparing wall-contact device samples combined with aspiration system (Penumbra) samples.