“…Exclusion criteria: < 18 years old, predicted difficult intubation Vie-Scope vs. Macintosh laryngoscope | 3 EM services | 90 (45 Vie-Scope, 45 Macintosh) | The primary outcome was ETI success rate during first laryngoscopy attempt. Secondary outcomes included the duration of the interruption of chest compression during ETI, Laryngeal view during intubation using Cormack-Lehane grade system, and self-reported percentage of glottis opening score | Macintosh required longer time for ETI than Vie-Scope, and less first attempt success rate | Cereceda-Sánchez et al [ 9 ] | RCT, pilot | Inclusion criteria: adults ≥ 18, years or older with OHCA who received resuscitation performed by clinicians from participating centers. Exclusion criteria: advanced airways, weight > 50 kg, oral cavity < 2 cm | BMV vs. i-Gel | 4 EM services | 23 (9 BMV, 14 i-Gel) | Comparison between BMV and i-Gel on capnometry and survival | i-Gel group survived more than BMV group |
Chan et al [ 10 ] | RCT, cluster, cross-over | Inclusion criteria: all patients with OHCAs aged over 13 years, both medical and traumatic. |
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