The heart rate variability-derived Newborn Infant Parasympathetic Evaluation (NIPE™) Index in pediatric surgical patients from 0 to 2 years under sevoflurane anesthesia-A prospective observational pilot study.

Paediatr Anaesth · 2019 · PMC6850159 · PMID 30793426

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showed a trendno p-value reported

Heart rate showed a trend toward higher values prior to opioid drug administration and lower values thereafter, without reaching statistical significance (P preopioid = 0.165; P postopioid = 0.063).

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