What do systematic reviews say?

Shunting vs no shunting

Shunting showed no clear difference in any stroke within 30 days of surgery compared with no shunting (low certainty).

• Routine or selective carotid artery shunting for carotid endarterectomy (and different methods of monitoring in… 2022 · Cochrane Headline outcomes only
  OR 0.77 [0.35, 1.69]
  3 studies · 655 participants
  Low