Table 3.

Ischemic stroke within 30 days.

	Protection device	Pre dilation	Post dilation	Timing	Category
1	-	+	-	After stent deployment	Reversible
2	-	+	-	Postprocedure	Permanent
3	-	-	+	After postdilation	Reversible
4	-	-	+	After postdilation	Permanent
5	-	-	+	After postdilation	Fatal
6	+	+	+	Postprocedure	Permanent