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Periventricular leukomalacia. A one-year autopsy study

R M Shuman, L J Selednik

    Archives of Neurology
    |April 1, 1980
    PubMed
    Summary

    Periventricular leukomalacia (PVL) affects 88% of high-risk infants, defined by low birth weight and prolonged survival. This condition often accompanies severe clinical insults and may explain sensory and motor deficits in surviving premature infants.

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    Area of Science:

    • Neonatal pathology
    • Neuropathology
    • Perinatology

    Background:

    • Periventricular leukomalacia (PVL) is a significant cause of neurological impairment in premature infants.
    • Understanding the incidence and risk factors for PVL is crucial for improving outcomes.

    Purpose of the Study:

    • To determine the frequency and distribution of periventricular leukomalacia (PVL) in neonatal autopsies.
    • To identify demographic risk factors associated with PVL.
    • To correlate PVL with clinical insults and potential long-term functional deficits.

    Main Methods:

    • Review of consecutive neonatal autopsies over a 12-month period.
    • Analysis of demographic data, including birth weight and survival duration.
    • Pathological examination to identify PVL and other necrotic lesions.

    Main Results:

    • Periventricular leukomalacia (PVL) was found in 88% of high-risk infants.
    • High-risk infants were defined by birth weight (900-2,200 g) and survival (≥6 days).
    • PVL was frequently associated with severe clinical insults and visceral necrosis, predominantly affecting occipital and sensory-motor cerebral axons.

    Conclusions:

    • Periventricular leukomalacia (PVL) is highly prevalent in a specific high-risk neonatal population.
    • The autopsy findings suggest PVL may underlie visual, auditory, and motor dysfunctions in surviving premature infants.
    • Electrophysiological studies are recommended for high-risk premature infants to assess neurological function.

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