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Basic cardiovascular parameters in the underweight neonatal swine

L DeRoth, H G Downie

    Biology of the Neonate
    |January 1, 1978
    PubMed
    Summary

    Underweight neonatal piglets exhibit distinct physiological differences, including lower leukocyte counts and blood pressure, suggesting potential immaturity. These findings in swine (Sus scrofa domestica) highlight critical health considerations for low-birth-weight neonates.

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    Area of Science:

    • Veterinary Medicine
    • Neonatal Physiology
    • Comparative Physiology

    Background:

    • Neonatal piglets born with low body weight present unique physiological challenges.
    • Understanding hematological and cardiovascular parameters is crucial for assessing neonatal health and development.
    • Swine models (Sus scrofa domestica) are valuable for studying mammalian neonatal physiology.

    Purpose of the Study:

    • To compare hematological and cardiovascular parameters between underweight and normal-weight neonatal piglets.
    • To investigate potential physiological immaturity in low-birth-weight neonatal swine.
    • To establish baseline physiological data for underweight neonatal piglets.

    Main Methods:

    • Comparison of hematological parameters (leukocyte count, plasma protein, blood glucose, plasma LDH) between groups.
    • Measurement of cardiovascular parameters (heart rate, arterial blood pressure) in neonatal piglets.
    • Utilizing swine (Sus scrofa domestica) as the animal model.

    Main Results:

    • Underweight piglets showed significantly lower leukocyte count, plasma protein, and blood glucose levels.
    • Plasma lactate dehydrogenase (LDH) levels were significantly higher in underweight piglets.
    • Underweight piglets exhibited significantly lower heart rate and arterial blood pressure compared to normal-weight controls.

    Conclusions:

    • Observed cardiovascular parameters in underweight piglets resembled those of normal fetuses, suggesting potential physiological immaturity.
    • Low birth weight in neonatal swine may be associated with delayed physiological development.
    • Further research is needed to confirm persistent functional immaturity in these animals.

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