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Related Experiment Video

Updated: Jun 3, 2025

Electrophysiological Measurements and Analysis of Nociception in Human Infants
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Pain-Related Responses in Preterm Babies Using Automated and Laser Heel-Lancing Devices.

Hea Jin Lee1, Myoung Soo Kim2, Mi Lim Chung1

  • 1Department of Pediatrics, Haeundae Paik Hospital, Inje University, Busan, South Korea.

Creative Nursing
|January 8, 2025
PubMed
Summary
This summary is machine-generated.

Laser lancets showed fewer puncture marks than automated lancets in neonates, with no significant pain response differences. Laser lancets offer a novel option for preterm infants prone to inflammation and coagulopathies.

Keywords:
Facial expressionhemostasispainpreterm babiespuncture

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Area of Science:

  • Neonatal care
  • Pediatric pain management
  • Medical device technology

Background:

  • Heel lancing is a common procedure for blood sampling in neonates.
  • Pain assessment in neonates is crucial for optimal care and outcomes.
  • Automated lancets are widely used, but laser lancets offer a potential alternative.

Purpose of the Study:

  • To compare pain responses and puncture characteristics between automated and laser lancets in neonates.
  • To examine the correlation between infants' pain responses and facial expressions during heel lancing.
  • To evaluate laser lancets as a novel option for preterm infants.

Main Methods:

  • Pain-related responses assessed using Neonatal Infant Pain Scale (NIPS), heart rate, and oxygen saturation.
  • Facial expressions analyzed via a facial recognition application.
  • Puncture characteristics evaluated by puncture marks, number of punctures, and hemostasis.

Main Results:

  • Automated lancets resulted in significantly higher puncture mark frequency at 3 minutes compared to laser lancets.
  • No significant differences were found in pain-related behavioral responses, heart rate, or oxygen saturation between the groups.
  • Positive correlations observed between pain-related behavioral response and specific facial expressions (anger, disgust, fear, sadness).

Conclusions:

  • Laser lancets demonstrate favorable puncture-related characteristics with comparable pain responses to automated lancets.
  • Laser lancets present a promising alternative for preterm infants, potentially reducing risks of scar-related inflammation and coagulopathies.
  • Facial expression analysis can provide insights into neonatal pain perception during procedures.