Table 2:

Frequency of thromboembolic complications by treatment category

Treatment Category	Symptomatic Thromboembolic Complication
Treatment Category	Postprocedure TIA (≤24 h)	Postprocedure Ischemic Stroke (≤24 h)	TIA Between 1 and 60 Days	Ischemic Stroke Between 1 and 60 Days
Antiplatelet therapy (before and after)	1	0	3^*	1^†
Antiplatelet therapy (after only)	0	0	2^‡	0
No drugs	2	1^§	0	2^§

Note:—TIA indicates transient ischemic attack.
* One each at 3, 39, and 60 days postprocedure.
† At 50 days postprocedure.
‡ One each at 34 and 38 days postprocedure.
§ One patient suffered 2 ischemic strokes, 1 within 24 hours and 1 at 6 days postprocedure.