Actigraphy: An Adjunctive Method to Measure Irritability in Opioid-Exposed Newborns.

Area of Science:

• Neonatal Abstinence Syndrome Research
• Objective Measurement in Pediatrics
• Opioid Use Disorder in Pregnancy

Background:

• Conventional assessment of neonatal withdrawal symptoms relies on subjective nursing evaluations of infant irritability.
• Prenatal opioid exposure (POE) necessitates reliable methods to quantify infant distress.
• Limb movement actigraphy presents a potential objective tool for assessing POE-related withdrawal.

Purpose of the Study:

• To evaluate limb movement actigraphy as an objective measure of infant distress in newborns with POE.
• To compare actigraphy data with established clinical scoring systems for neonatal withdrawal.
• To determine if actigraphy can provide quantifiable insights into infant irritability and calm.

Main Methods:

• A correlational study was conducted on 37 term neonates with POE.
• Continuous physiological-detected movement actigraphy was compared with the modified Finnegan system (clinical scoring).
• Data were collected from infants in their cribs within the newborn unit over 1-8 days.

Main Results:

• Infants exhibited high movement activity (index irritability) 15% of the time and low activity (index calm) 38% of the time.
• A significant positive association was found between actigraphy movement and the Finnegan composite score (r = .28, p = .001).
• Actigraphy also correlated significantly with Finnegan subcomponent scores (CNS, GI, metabolic-vasomotor-respiratory).

Conclusions:

• Movement activity measured by actigraphy objectively captures infant distress and calm.
• Actigraphy provides quantifiable data beyond conventional, subjective assessments.
• Objective measures like actigraphy can enhance equitable assessment and treatment for newborns with POE.