What do systematic reviews say?

Venous cutdown vs Seldinger technique

Venous cutdown showed no clear difference in catheter/port‐related complications compared with seldinger technique (moderate certainty).

• Venous cutdown versus the Seldinger technique for placement of totally implantable venous access ports 2016 · Cochrane Headline outcomes only
  OR 1 [0.61, 1.64]
  7 studies · 1006 participants
  Moderate