Findings

What do systematic reviews say?

3 questions · 3 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 3 · 100%High 0 · 0%

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

Cormack‐Lehane grade · adults undergoing tracheal intubation

Hyperangulated 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 0.15 [0.1, 0.24]
54 studies · 6058 participants
Moderate

Cormack‐Lehane grade · adults undergoing tracheal intubation

Macintosh‐style 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 0.38 [0.29, 0.48]
38 studies · 4368 participants
Moderate