Pediatric anesthesia & critical care

Nociception level response to calibrated stimulations in children: First assessment of the nociception level index in pediatric anesthesia

Anaesth Crit Care Pain MedPublished Mechanistic study

Authors' conclusion

NOL allows a quantitative assessment of nociception under anesthesia in 5-12 years-old children.

Study context

Population
Children 5–12 years old anesthetized with sevoflurane and alfentanil (10 µg kg-1), before surgical incision
Participants
30 children
Comparison
Tetanic stimulations of 10, 30 and 60 mA
Outcome
NOL variation after calibrated tetanic stimulations
Methodological detailsrandomized order of stimulation intensities
  • Randomized order of stimulation intensities

Main finding

As reported in the abstract

NOL response
Nociception Level (NOL) increased after the stimulations at each intensity
p < 0.05
NOL response influenced by stimulation intensity
p < 0.001

Further findings

Heart rate and BP

Barely modified by the stimulations

Analgesia-Nociception Index

Decreased after the stimulations at each intensity
P < 0.001
Response not influenced by stimulation intensity
P = 0.064

Correlation of NOL and Analgesia-Nociception Index responses

Pearson r
0.47
P
P < 0.001

Original publication

Nociception level response to calibrated stimulations in children: First assessment of the nociception level index in pediatric anesthesia. Anaesth Crit Care Pain Med. Published 1 March 2023. doi:10.1016/j.accpm.2023.101207

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