Findings

What do systematic reviews say?

4 questions · 4 findings · 2 reviews · Anaesthesia

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 25%Low 3 · 75%Moderate 0 · 0%High 0 · 0%

Channelled videolaryngoscopy vs direct laryngoscopy

First‐attempt success rate · adults undergoing tracheal intubation

It is very uncertain whether channelled videolaryngoscopy changes successful first attempt compared with direct laryngoscopy (very low certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 1.1 [1.05, 1.15]
47 studies · 5210 participants
Very low

Hyperangulated videolaryngoscopy vs direct laryngoscopy

First‐attempt success rate · adults undergoing tracheal intubation

Hyperangulated videolaryngoscopy showed no clear difference in successful first attempt compared with direct laryngoscopy (low certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 1.03 [1, 1.05]
66 studies · 8086 participants
Low

Macintosh‐style videolaryngoscopy vs direct laryngoscopy

First‐attempt success rate · adults undergoing tracheal intubation

Macintosh‐style videolaryngoscopy may leads to higher successful first attempt compared with direct laryngoscopy (low certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 1.05 [1.02, 1.09]
42 studies · 7311 participants
Low

Intervention not reported

Number of attempts at intubation and unsuccessful intubations assessed as intubation at first attempt · tracheal intubation in children (excluding neonates)

The intervention showed no clear difference in number of attempts at intubation and unsuccessful intubations… (low certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for tracheal intubation in children (excluding neonates) 2017 · Cochrane Headline outcomes only
RR 0.96 [0.91, 1.02]
11 studies · 749 participants
Low