Tracheal intubation in adult patients with anticipated difficult airway. Hyperangulated versus Macintosh blade videolaryngoscopy: A comprehensive systematic review
Authors' conclusion
In adult patients with anticipated difficult airways, hyperangulated blades outperform Macintosh-geometry videolaryngoscopes in glottic visualization and first-pass success without increasing complications.
Study context
- Population
- Adults with anticipated difficult airways undergoing tracheal intubation
- Participants
- 412 adults · 4 randomized controlled trials (RCTs)
- Comparison
- Hyperangulated vs Macintosh videolaryngoscopic blades
- Outcome
- First-pass success
Pooled result
As reported in the abstract
Further pooled results
Glottic view
- Superior glottic views with hyperangulated blades
Intubation time
- Often longer with hyperangulated blades
Safety
Complications and hemodynamic responses
- Generally comparable between blade geometries
Original publication
Tracheal intubation in adult patients with anticipated difficult airway. Hyperangulated versus Macintosh blade videolaryngoscopy: A comprehensive systematic review. Anaesth Crit Care Pain Med. Published 6 February 2026. doi:10.
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