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Related Experiment Videos

Heat shield reduces water loss.

C W Fitch, S B Korones

    Archives of Disease in Childhood
    |September 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    A polyvinyl chloride heat shield reduced water loss and energy needs in preterm infants. Thin plastics minimally blocked radiant heat, but Perspex significantly impeded it.

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    Area of Science:

    • Neonatal care
    • Biomedical engineering
    • Materials science

    Background:

    • Preterm infants are susceptible to heat loss and dehydration.
    • Radiant warmers are commonly used for neonatal thermal support.
    • Minimizing insensible water loss (IWL) and energy expenditure is crucial for preterm infants.

    Purpose of the Study:

    • To evaluate the efficacy of a polyvinyl chloride (PVC) film heat shield in reducing IWL and radiant energy requirements in preterm infants.
    • To assess the radiant energy transmittance of various plastic materials used in heat shields.

    Main Methods:

    • A heat shield made of PVC film was applied to 12 preterm infants undergoing radiant cradle therapy.
    • Insensible water loss and radiant energy requirements were measured.

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  • The transmittance of radiant energy through different thin film plastics, including PVC and Perspex, was measured.

    • Main Results:

    • The PVC heat shield significantly reduced insensible water loss in preterm infants.
    • The heat shield also decreased radiant energy requirements for thermal support.
    • Thin plastic films showed minimal impedance to radiant energy transmittance, whereas Perspex significantly blocked it.

    Conclusions:

    • A PVC film heat shield is effective in reducing insensible water loss and energy demands in preterm infants.
    • The material choice for heat shields is important, as different plastics have varying effects on radiant energy transmission.
    • Further research into optimal heat shield materials could improve neonatal thermal management.