Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

259 questions · 272 findings · 23 reviews · Headline outcomes only

No studies found 68 · 25%GRADE not reported 10 · 3.7%Very low 79 · 29%Low 57 · 21%Moderate 42 · 15.4%High 16 · 5.9%

[Radial] Dynamic out‐of‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

First‐attempt success rate · adults requiring radial artery catheterisation

It is very uncertain whether [Radial] Dynamic out‐of‐plane B‐mode ultrasound changes first‐attempt success rate compared with static out‐of‐plane B‐mode ultrasound (very low certainty).

1 finding from 1 review

[Radial] Dynamic out‐of‐plane B‐mode ultrasound vs out‐of‐plane B‐mode ultrasound

Overall success rate · adults requiring radial artery catheterisation

It is very uncertain whether [Radial] Dynamic out‐of‐plane B‐mode ultrasound changes overall success rate compared with static out‐of‐plane B‐mode ultrasound (very low certainty).

1 finding from 1 review

[Radial] Oblique‐axis in‐plane B‐mode ultrasound vs long‐axis in‐plane B‐mode ultrasound

First‐attempt success rate · adults requiring radial artery catheterisation

It is very uncertain whether [Radial] Oblique‐axis in‐plane B‐mode ultrasound changes first‐attempt success rate compared with long‐axis in‐plane B‐mode ultrasound (very low certainty).

1 finding from 1 review

[Radial] Oblique‐axis in‐plane B‐mode ultrasound vs long‐axis in‐plane B‐mode ultrasound

Overall success rate · adults requiring radial artery catheterisation

[Radial] Oblique‐axis in‐plane B‐mode ultrasound may leads to higher overall success rate compared with long‐axis in‐plane B‐mode ultrasound (low certainty).

1 finding from 1 review

[Radial] Oblique‐axis in‐plane B‐mode ultrasound vs long‐axis in‐plane B‐mode ultrasound

Major haematoma · adults requiring radial artery catheterisation

It is very uncertain whether [Radial] Oblique‐axis in‐plane B‐mode ultrasound changes major haematoma compared with long‐axis in‐plane B‐mode ultrasound (very low certainty).

1 finding from 1 review