What do systematic reviews say?

Shunting vs no shunting

Shunting showed no clear difference in death from all causes 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 0.45 [0.13, 1.59]
  3 studies · 655 participants
  Low