Findings

What do systematic reviews say?

7 questions · 7 findings · 1 reviews · Anaesthesia

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 42.9%Low 1 · 14.3%Moderate 3 · 42.9%High 0 · 0%

Failed intubation · adults undergoing tracheal intubation

Channelled videolaryngoscopy probably leads to lower failed intubation compared with direct laryngoscopy (moderate certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 0.43 [0.3, 0.61]
53 studies · 5367 participants
Moderate

Hypoxia · adults undergoing tracheal intubation

Channelled videolaryngoscopy probably leads to lower hypoxia compared with direct laryngoscopy (moderate certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 0.25 [0.12, 0.5]
15 studies · 1966 participants
Moderate

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

Oesophageal intubation · adults undergoing tracheal intubation

Channelled videolaryngoscopy showed no clear difference in oesophageal intubation 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 0.54 [0.17, 1.75]
16 studies · 1756 participants
Low

Dental trauma · adults undergoing tracheal intubation

It is very uncertain whether channelled videolaryngoscopy changes dental trauma 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 0.52 [0.13, 2.12]
29 studies · 2375 participants
Very low

Cormack‐Lehane grade · adults undergoing tracheal intubation

Channelled videolaryngoscopy probably leads to lower cormack‐Lehane grade compared with direct laryngoscopy (moderate certainty).

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
RR 0.14 [0.09, 0.21]
40 studies · 3955 participants
Moderate

Duration of tracheal intubation · adults undergoing tracheal intubation

1 finding from 1 review

Videolaryngoscopy versus direct laryngoscopy for adults undergoing tracheal intubation 2022 · Cochrane Headline outcomes only
no estimate extracted
57 studies · 5676 participants
Very low