In the article from Rodriguez-Nunez et al. entitled “Tracheal intubation of pediatric manikins during ongoing chest compressions. Does GlideScope® videolaryngoscope improve pediatric residents’ performance?” [1], the authors conducted a study on the time taken to intubate children and infants using the GlideScope and Miller (MIL) laryngoscopes. Due to the small number of participants in the aforementioned trial and a lack of data concerning the effectiveness of individual attempts at endotracheal intubation (ETI), decided decision was made to conduct extended research on intubation using the GlideScope and Miller Laryngoscopes.
This study was approved by the Program Committee of the International Institute of Rescue Research and Education (Approval 11.2014.03.23, November 3, 2014). This was a randomized non-blind crossover simulation trial with 112 paramedic participants; none of whom had prior experience with the GlideScope. In the child intubation scenario, we used a PediaSIM CPR training manikin (FCAE HealthCare, Sarasota, FL, USA), and a Lucas-2 device was used for chest compression. In the infant ETI scenario, we used a Laerdal®ALS Baby™ (Laredal, Norway) and chest compression was performed using the two-thumbs technique.
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There was a statistically significant difference between the GlideScope and the MIL in the infant scenario in success of the first intubation attempt (96.5 vs. 60.7 %; p < 0.001), overall success rate (100 vs.83 %; p < 0.001), and time to successful intubation (34.6 vs.27.3 s; p = 0.023) (Table Supplementary data). In the child intubation scenario, there was a statistically significant difference in success of the first intubation attempt (100 vs.54.5 %; p < 0.001) and overall success rate (100 vs.82.1 %; p < 0.001); however, there were no significant differences in the time to successful intubation (36.6 vs.35.4 s; p = 0.085).
In summary, although the time of intubation using the GlideScope is higher in infant and child intubation scenarios, the higher effectiveness of the first intubation attempts and the higher overall effectiveness of intubation using the GlideScope suggest in favor of using videolaryngoscopy during child and infant intubation with chest compressions.
Conflict of interest
The authors declare that they have no conflicts of interests. None of authors involved in this study have any financial relationship with any manufacturers of intubation devices.
Author’s contributions
Conception and design: LS, AK, LC; analysis and interpretation: AK,LC,LS; drafting the manuscript for important intellectual content: LS, AK, LC.
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Source of support
No sources of financial and material support to be declared.
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