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Published on: January 17, 2011
Muscle relaxation for tracheal intubation during paediatric anaesthesia: A meta-analysis and trial sequential
Florence Julien-Marsollier1, Daphné Michelet, Myriam Bellon
1From the Department of Anaesthesia and Intensive Care, Robert Debre University Hospital (FJ-M, DM, MB, A-LH, SD); Department of Anaesthesia and Intensive Care, Fondation Ophtalmologique Adolphe de Rothschild (J-MD); Paris Diderot University (FJ-M, DM, MB, A-LH, SD); and DHU PROTECT, INSERM U1141, Robert Debre University Hospital, Paris, France (SD).
Insights
Muscle relaxants (MR) may improve tracheal intubation conditions in children, though excellent conditions were not significantly different. Further research is needed to confirm findings and assess complications.
Area of Science:
- Anesthesiology
- Pediatric Anesthesia
- Pharmacology
Background:
- Tracheal intubation in pediatric anesthesia often involves muscle relaxation, a practice debated among clinicians.
- The optimal approach for achieving adequate intubation conditions in children requires further investigation.
Purpose of the Study:
- To conduct a meta-analysis comparing the efficacy of muscle relaxants (MR) versus opioids for tracheal intubation in pediatric patients.
- To evaluate the impact of MR on achieving excellent and acceptable intubation conditions.
Main Methods:
- A meta-analysis of randomized controlled trials was performed.
- Exhaustive literature searches identified relevant clinical trials with low risk of bias.
- Intubation conditions were assessed as primary (excellent) and secondary (acceptable) outcomes.
Main Results:
- No significant difference in excellent intubation conditions was observed between MR and opioid groups (RR 1.17 [0.96, 1.43]).
- Trial sequential analysis indicated insufficient power for excellent intubation conditions, suggesting a need for 81 additional patients.
- Acceptable intubation conditions were more frequent with MR administration (RR 1.25 [1.06, 1.47]), confirmed by trial sequential analysis.
- Evidence quality was low for excellent and moderate for acceptable intubation conditions.
Conclusions:
- Muscle relaxants may enhance the quality of tracheal intubation conditions in children.
- Further studies involving at least 81 children are necessary to confirm these findings.
- Additional research should investigate the effect of muscle relaxants on intubation-related complications.
Background:
Muscle relaxation for tracheal intubation during paediatric anaesthesia remains a subject of debate.
Objective:
The aim of the current meta-analysis was to investigate the effect of muscle relaxants (MR) compared with opioids on intubation conditions in children.
Design:
Meta-analysis of randomised controlled studies.
Data Sources:
Exhaustive literature analysis.
Eligibility Criteria:
Clinical trials, with no high-risk bias, that examined the effect of MR in comparison with opioids on intubation conditions (excellent: primary outcome, acceptable: secondary outcome) in children were included.
Results:
Excellent intubation conditions were not significantly different in their occurrence between children receiving MR or opioids, risk ratio [95% Confidence Interval] = 1.17 [0.96, 1.43], I = 36%, number of studies = 5, number of patients = 226. However, trial sequential analysis indicated the lack of power of this result and the need for more trials to provide certainty for this outcome (81 patients needed in future trials). Acceptable intubation conditions were more frequent when administering MR, risk ratio = 1.25 [1.06, 1.47], I = 70%, number of studies = 6, number of patients = 362. This effect was confirmed using the trial sequential analysis. Grading of Recommendations Assessment, Development and Evaluation analysis found a low and moderate quality of evidences for excellent and acceptable intubation conditions, respectively.
Conclusion:
The current meta-analysis shows that the use of MR during tracheal intubation might improve the quality of intubation conditions. Further studies, including at least 81 children, are required to confirm this and determine the impact of MR on complications related to intubation.
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