The effect of subclinical infantile thiamine deficiency on motor function in preschool children

Yael Harel1, Luba Zuk1, Michal Guindy2

  • 1Department of Physical Therapy, The Stanley Steyer School of Health Professions, Tel Aviv University, Tel Aviv, Israel.

Insights

Infantile thiamine (vitamin B1) deficiency from faulty formula significantly impacts preschooler motor skills, including balance and fine motor abilities. This highlights the critical need for safe infant nutrition and product regulation.

Area of Science:

  • Pediatric Neurology
  • Nutritional Science
  • Developmental Pediatrics

Background:

  • Infantile thiamine deficiency can arise from inadequate nutrition, particularly faulty milk substitutes.
  • Long-term neurodevelopmental consequences of early-life thiamine deficiency are not fully understood.
  • Motor development is a key indicator of healthy childhood progression.

Purpose of the Study:

  • To investigate the long-term effects of infantile thiamine deficiency on motor function in preschoolers.
  • To compare motor skills in children exposed to thiamine-deficient formula with a healthy control group.
  • To identify specific areas of motor function affected by early thiamine deficiency.

Main Methods:

  • Retrospective cohort study comparing 39 children (5-6 years) with history of thiamine-deficient formula exposure to 30 age-matched controls.
  • Motor function assessed using The Movement Assessment Battery for Children (M-ABC) and Zuk Assessment.
  • Statistical analysis to determine significant differences in motor skills between groups.

Main Results:

  • Children exposed to thiamine-deficient formula showed significant deficits in gross and fine motor development (p < .001).
  • Impaired balance control (p < .001) and fine motor skills (p < .001) were particularly pronounced.
  • Motor function difficulties were reported in 56% (M-ABC) and 59% (Zuk) of the exposed group versus 10% and 3% in controls.

Conclusions:

  • Infantile thiamine deficiency has lasting negative impacts on gross motor, fine motor, and balance skills in childhood.
  • Thiamine plays a vital role in normal motor development.
  • The study underscores the importance of appropriate infant feeding practices and stringent regulatory oversight of milk substitutes.