Comparison of Intubating Conditions Between Direct Laryngoscopy and C-MAC Video-laryngoscopy in Patients With Simulated Cervical Spine Immobilization: A Systematic Review and Meta-analysis
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View abstract on PubMed
Summary
This summary is machine-generated.The C-MAC video laryngoscope (VL) offers improved first-pass success rates and better laryngoscopy views compared to direct laryngoscopy (DL) for intubating patients with cervical spine immobilization, though it does not significantly reduce intubation time.
Area Of Science
- Anesthesiology
- Emergency Medicine
- Critical Care
Background
- Cervical spine immobilization presents challenges for endotracheal intubation.
- Video laryngoscopy (VL) is increasingly used, with the C-MAC VL gaining popularity over direct laryngoscopy (DL).
Purpose Of The Study
- To systematically review and meta-analyze the efficacy of C-MAC VL versus DL for intubation in patients with C-spine immobilization.
Main Methods
- Systematic search of PubMed, Cochrane Library, Embase, and Web of Science.
- Included 7 trials with 490 patients.
- Primary outcome: time to intubate; secondary outcomes: optimization maneuvers, laryngoscopy view, first-pass success, intubation difficulty.
Main Results
- No significant difference in time to intubate (SMD 0.65, 95% CI -2.55 to 3.86) with low certainty of evidence and high heterogeneity.
- C-MAC VL showed higher first-pass success rates (OR 2.92, 95% CI 1.14 to 7.49).
- C-MAC VL resulted in a lower incidence of poor laryngoscopy views (OR 0.21, 95% CI 0.07 to 0.66).
Conclusions
- C-MAC VL did not reduce intubation time in C-spine immobilized patients, though findings are limited by wide confidence intervals.
- C-MAC VL significantly improved laryngoscopy views and first-pass success rates compared to DL.
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