Clinical Report: Assessment of Neuromuscular Function Following Rocuronium Administration

Overview

This observational study evaluated neuromuscular function in pediatric patients aged 3 to 24 months after administering rocuronium 0.6 mg/kg. It compared the time to achieve a train-of-four ratio (TOFR) ≥ 0.9 using electromyography (EMG) and acceleromyography (AMG) at both the ulnar and tibial nerves.

Background

Neuromuscular monitoring is crucial in pediatric anesthesia to prevent residual neuromuscular blockade. The small size of pediatric extremities complicates monitoring. This study investigates the efficacy of AMG versus EMG in young children following rocuronium administration.

Data Highlights

Key Findings

• Time to TOFR ≥ 0.9 was shorter with AMG compared to EMG.
• Monitoring was performed at both the tibial nerve (TN) and ulnar nerve (UN).
• In total, 100 pediatric patients were included in the study.
• Different muscles exhibit varying sensitivity to neuromuscular blocking agents.
• Objective neuromuscular monitoring is feasible in children aged 3 to 24 months.

Clinical Implications

The findings suggest that AMG may provide a more efficient monitoring method for neuromuscular function in young pediatric patients. Clinicians should consider the choice of monitoring technique and site to optimize patient outcomes during anesthesia.

Conclusion

This study emphasizes the importance of effective neuromuscular monitoring in pediatric anesthesia.

Related Resources & Content

1. Wadland et al., Pediatric Anesthesia, 2026 -- Neuromuscular Monitoring of Rocuronium 0.6 mg/kg in Children Aged 3–24 Months With Electromyography and Acceleromyography: An Observational Study
2. ESAIC and ESPA Guidelines, PubMed, 2025 -- 2025 ESAIC and ESPA Guidelines on neuromuscular block in anaesthetised children: Indications, monitoring and reversal
3. Intensive Care Medicine — Impact of Neuromuscular Blockade on Oxygen Utilization in Sedated Pediatric Patients Under Mechanical Ventilation Post-Cardiac Surgery
4. Frontiers in Neurology — Highlighting the value of polymyography in childhood onset movement disorders
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6. Intensive Care Medicine — Incidence and Outcomes of Seizures in 204 Unconscious Pediatric Patients
7. 2025 ESAIC and ESPA Guidelines on neuromuscular block in anaesthetised children: Indications, monitoring and reversal - PubMed
8. Neuromuscular Monitoring of Rocuronium 0.6 mg/kg in Children Aged 3–24 Months With Electromyography and Acceleromyography: An Observational Study - Wadland - Pediatric Anesthesia - Wiley Online Library
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