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Related Experiment Videos

Oxygen consumption during sleep in atopic dermatitis

M E Jenney1, C Childs, D Mabin

  • 1Department of Child Health, University of Manchester, Booth Hall Children's Hospital.

Archives of Disease in Childhood
|February 1, 1995
PubMed
Summary

Children with atopic dermatitis who scratch while sleeping consume more oxygen. This study measured oxygen consumption (VO2) in sleeping children with and without atopic dermatitis, finding scratching significantly increases VO2.

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Area of Science:

  • Pediatrics
  • Dermatology
  • Sleep Medicine

Background:

  • Atopic dermatitis is a chronic inflammatory skin condition affecting children.
  • Sleep disturbances are common in children with atopic dermatitis.
  • The metabolic impact of nocturnal scratching in atopic dermatitis is not well understood.

Purpose of the Study:

  • To investigate the effect of scratching during sleep on oxygen consumption (VO2) in children with atopic dermatitis.
  • To compare VO2 levels in sleeping children with atopic dermatitis who scratch versus those who do not.
  • To compare VO2 levels in sleeping children with atopic dermatitis to healthy controls.

Main Methods:

  • Oxygen consumption (VO2) was measured in 10 children with atopic dermatitis and two control groups of healthy children.

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  • All subjects slept in a controlled environmental temperature (24-26°C).
  • Sleep was confirmed using continuous electroencephalographic monitoring.

    • Main Results:

    • Mean VO2 in sleeping patients with atopic dermatitis who were not scratching was not significantly different from controls.
    • During sleep, nine out of 10 patients with atopic dermatitis scratched.
    • Scratching during sleep was associated with significantly higher VO2 values compared to non-scratching periods and control values.

    Conclusions:

    • Nocturnal scratching in children with atopic dermatitis is metabolically demanding, significantly increasing oxygen consumption.
    • Increased VO2 during scratching suggests a heightened physiological state associated with this symptom.
    • Understanding the metabolic cost of scratching may inform management strategies for atopic dermatitis during sleep.