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Percutaneous absorption in preterm infants.

D P West1, J M Halket, D R Harvey

  • 1Department of Dermatology, University of Illinois, Chicago 60680.

Pediatric Dermatology
|November 1, 1987
PubMed
Summary
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This study introduces a safe, noninvasive method to measure skin absorption in preterm infants. It reveals that premature infants have higher skin absorption initially, which decreases over time, highlighting the importance of gestational and postnatal age.

Area of Science:

  • Neonatal Dermatology
  • Pharmacokinetics in Neonates
  • Developmental Biology

Background:

  • The skin maturity of preterm infants significantly impacts percutaneous absorption.
  • Understanding skin barrier function in premature infants is crucial for safe medication administration and developmental assessment.
  • Existing methods for assessing percutaneous absorption in neonates may have limitations.

Purpose of the Study:

  • To develop and validate a safe, noninvasive technique for assessing percutaneous absorption in preterm infants.
  • To investigate the relationship between gestational age, postnatal age, and skin absorption in premature infants.
  • To characterize the changes in skin absorption over the early postnatal period in preterm infants.

Main Methods:

  • Utilized a stable, isotope-labeled (13C6) benzoic acid as a model skin penetrant.

Related Experiment Videos

  • Employed a novel, noninvasive technique to assess percutaneous absorption across various gestational and postnatal ages.
  • Analyzed the decline in skin absorption over the first three postnatal weeks.

    • Main Results:

    • Demonstrated enhanced skin absorption in preterm infants during the initial postnatal days.
    • Observed a significant decline in percutaneous absorption over three weeks, approaching levels seen in full-term infants.
    • Identified an inverse relationship between both gestational age and postnatal age with the rate of skin absorption.

    Conclusions:

    • The developed technique provides a safe and reliable method for studying percutaneous absorption in preterm infants.
    • Skin barrier function in preterm infants matures rapidly in the early postnatal period.
    • Findings contribute essential data to understanding skin barrier development and optimizing neonatal care practices.