Table 2.

Flow impairment and postoperative stroke events in relation to the filter-based embolic protection device used

	FilterWire 1 (n = 121)	Spider 2 (n = 37)	p-value
Flow impairment	14 (11.6%)	1 (2.7%)	0.19*
Postoperative stroke event
TIA or amaurosis fugax	3 (2.5%)	0 (0%)	1*
Minor stroke	1 (0.8%)	1 (2.7%)	0.41*
Major stroke	1 (0.8%)	0 (0%)	0.49*
Total ischemic neurological events	5 (4.1%)	1 (2.7%)	1*
Hyperperfusion syndrome	3 (2.5%)	2 (5.4%)	0.33*

¹FilterWire EZ™.

²Spider FX™.

*Fisher’s exact test.