Cortical evoked potentials in children of diabetic mothers

Mario Brinciotti1, Angela Napoli, Antonio Mittica

  • 1Department of Pediatrics and Child Neuropsychiatry, Faculty of Medicine and Dentistry, Sapienza University of Rome, 00185 Rome, Italy. mario.brinciotti@uniroma1.it

Insights

Children born to mothers with type 1 diabetes may experience delays in visual evoked potential (VEP) and somatosensory evoked potentials (SEP) development. These delays are linked to maternal metabolic control during pregnancy.

Area of Science:

  • Neuroscience
  • Pediatrics
  • Endocrinology

Background:

  • Maternal diabetes during pregnancy can impact fetal development.
  • Previous studies indicated visual evoked potential (VEP) delays in infants of diabetic mothers, linked to metabolic control.
  • The effects on somatosensory evoked potentials (SEPs) and long-term outcomes at age 3 were less understood.

Purpose of the Study:

  • To investigate the neurophysiological development of children born to type 1 diabetic mothers at age 3.
  • To compare visual evoked potentials (VEPs) and somatosensory evoked potentials (SEPs) in children of diabetic mothers versus healthy controls.
  • To assess the relationship between maternal metabolic control and evoked potential outcomes.

Main Methods:

  • VEPs and SEPs were recorded in 16 three-year-old children of type 1 diabetic mothers (DMC).
  • A control group of 23 healthy children from nondiabetic mothers was used for comparison.
  • Analysis focused on mean latency (P2 for VEP, P22 for SEP) and pathological responses.

Main Results:

  • Children of diabetic mothers (DMC) exhibited significantly delayed mean latency in both VEP (P2) and SEP (P22) compared to controls.
  • Pathological responses, defined as >3 SD from the control mean, were observed in 19% of DMC for both VEPs and SEPs.
  • These findings indicate a delay in cortical evoked responses in both visual and somatosensory systems in 3-year-old offspring of type 1 diabetic mothers.

Conclusions:

  • Offspring of type 1 diabetic mothers demonstrate delayed cortical evoked responses in both visual and somatosensory pathways at age 3.
  • These neurophysiological delays suggest potential long-term effects of maternal diabetes on offspring neurodevelopment.
  • Further research is warranted to explore the specific mechanisms and long-term implications of these findings.

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