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Related Experiment Videos

Skin blood flow changes during routine nursery procedures

K M McCulloch1, S A Ji, T N Raju

  • 1Department of Pediatrics, University of Illinois at Chicago 60612, USA.

Early Human Development
|April 14, 1995
PubMed
Summary
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Laser Doppler skin blood flow effectively measures pain and discomfort in newborn infants during intensive care. This method shows changes during procedures and morphine administration, offering a better pain assessment than traditional vital signs.

Area of Science:

  • Neonatal physiology
  • Pain assessment
  • Medical instrumentation

Background:

  • Neonatal intensive care units (NICUs) involve frequent procedures causing pain and distress.
  • Accurate pain assessment in neonates is challenging due to communication limitations.
  • Current physiological measures may not fully capture neonatal pain responses.

Purpose of the Study:

  • To validate skin blood flow changes as an objective indicator of pain and discomfort in newborn infants.
  • To compare the utility of skin blood flow measurements with conventional physiological variables for pain assessment.

Main Methods:

  • Utilized laser Doppler technique to measure skin blood flow in newborn infants during various intensive care procedures.
  • Simultaneously monitored heart rate, respiratory rate, and oxygen saturation.

Related Experiment Videos

  • Analyzed and compared changes in skin blood flow and physiological variables across different procedures and interventions.

    • Main Results:

    • Skin blood flow significantly increased (27-134%) during heel lance, handling, and suctioning but not during closed-system suctioning.
    • Intravenous morphine administration led to a 35% decrease in skin blood flow within 20 minutes.
    • Changes in heart rate, respiratory rate, and oxygen saturation were minimal and less sensitive to procedural pain compared to skin blood flow.

    Conclusions:

    • Laser Doppler measurement of skin blood flow is a reliable index for assessing neonatal pain and discomfort.
    • Even non-invasive procedures elicit measurable changes in skin blood flow.
    • Skin blood flow alterations provide a more sensitive indicator of procedural response in neonates than traditional physiological parameters.