What do systematic reviews say?

Main comparison of patch angioplasty vs primary closure

It is very uncertain whether main comparison of patch angioplasty changes ipsilateral stroke (fatal or non‐fatal; haemorrhage or infarct)… compared with primary closure (very low certainty).

• Patch angioplasty versus primary closure for carotid endarterectomy 2022 · Cochrane Headline outcomes only
  OR 0.32 [0.16, 0.63]
  6 studies · 1141 participants
  Very low

Main comparison of patch angioplasty vs primary closure

It is very uncertain whether main comparison of patch angioplasty changes any stroke (fatal or non‐fatal; contralateral, ipsilateral or… compared with primary closure (very low certainty).

• Patch angioplasty versus primary closure for carotid endarterectomy 2022 · Cochrane Headline outcomes only
  OR 0.49 [0.27, 0.9]
  7 studies · 1332 participants
  Very low

Main comparison of Dacron patch vs other synthetic patch angioplasty

• Patches of different types for carotid patch angioplasty 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 200 participants
  Very low

Main comparison of bovine pericardium patch vs other synthetic patch angioplasty

• Patches of different types for carotid patch angioplasty 2021 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 195 participants
  Low

Main comparison of synthetic patch vs vein patch angioplasty

• Patches of different types for carotid patch angioplasty 2021 · Cochrane Headline outcomes only
  no estimate extracted
  3 studies · 500 participants
  Very low