Findings

What do systematic reviews say?

2 questions · 2 findings · 2 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 50%Low 1 · 50%Moderate 0 · 0%High 0 · 0%

Overall success rate · patients with the need for subclavian vein cannulation for central vein catheterization

Ultrasound or Doppler guidance showed no clear difference in overall success rate compared with anatomical landmark (low certainty).

1 finding from 1 review

Ultrasound guidance versus anatomical landmarks for subclavian or femoral vein catheterization 2015 · Cochrane Headline outcomes only
RR 1.05 [0.97, 1.13]
8 studies · 1809 participants
Low

Overall success rate · patients with internal jugular vein cannulation for central vein catheterization

It is very uncertain whether doppler guidance changes overall success rate compared with anatomical landmarks (very low certainty).

1 finding from 1 review

Ultrasound guidance versus anatomical landmarks for internal jugular vein catheterization 2015 · Cochrane Headline outcomes only
RR 1.09 [0.95, 1.25]
7 studies · 289 participants
Very low