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Can infant malnutrition cause adult vertebral stenosis?

G A Clark, M M Panjabi, F T Wetzel

    Spine
    |March 1, 1985
    PubMed

    Insights

    Infant malnutrition leads to smaller adult spinal canals, impacting nerve root tunnel width. This finding suggests a developmental basis for spinal stenosis and sciatica, potentially preventable through early nutrition interventions.

    Area of Science:

    • Paleopathology
    • Human Osteology
    • Nutritional Anthropology

    Background:

    • Dietary shifts can impact skeletal development.
    • Prehistoric populations provide insights into long-term health effects of nutrition.

    Purpose of the Study:

    • To investigate the relationship between infant malnutrition and adult spinal canal size.
    • To determine if dietary changes in prehistoric populations correlate with vertebral canal dimensions.

    Main Methods:

    • Analysis of 1073 lumbar and thoracic vertebrae from a prehistoric American Indian population (950-1300 A.D.).
    • Measurement of vertebral canal dimensions, nerve root tunnel widths, vertebral heights, and osteophytosis.
    • Multivariate analyses controlling for age, sex, culture, and other skeletal variables.

    Main Results:

    • A significant reduction in vertebral canal size was observed in individuals from the protein-deficient (maize agriculture) period compared to the protein-rich (hunting-gathering) period.
    • Anteroposterior canal diameter was highly correlated with nerve root tunnel width, suggesting a link to spinal stenosis and sciatica.
    • Spinal canal size was independent of statural components.

    Conclusions:

    • Infant malnutrition, indicated by smaller adult spinal canal size, has a developmental basis.
    • The findings suggest that spinal canal size is a robust indicator of early nutritional status.
    • The study highlights a potentially underestimated and preventable component of low-back pain linked to spinal canal development.

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