Decreased bone ultrasound velocity in large-for-gestational-age infants

Yoav Littner1, Dror Mandel, Francis B Mimouni

  • 1Department of Neonatology, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.

Insights

Large for gestational age infants born to non-diabetic mothers show reduced bone speed of sound, indicating lower bone quality. This finding highlights potential risks for bone health in these newborns.

Area of Science:

  • Neonatal physiology
  • Pediatric bone health
  • Biomedical engineering

Background:

  • Bone speed of sound (SOS) quantifies bone fragility.
  • Limited data exists on bone mineral content in large for gestational age (LGA) infants, especially those born to non-diabetic mothers.
  • No prior studies have reported bone SOS in LGA infants of non-diabetic mothers.

Purpose of the Study:

  • To investigate bone speed of sound in large for gestational age infants of non-diabetic mothers.
  • To test the hypothesis that these infants have lower bone speed of sound compared to appropriate for gestational age infants.

Main Methods:

  • Bone speed of sound was measured in 25 singleton LGA infants of non-diabetic mothers.
  • Measurements were taken within 96 hours of birth at the right tibial midshaft.
  • A comparison group of appropriate for gestational age infants was used as controls.

Main Results:

  • Bone speed of sound was found to be lower in LGA infants of non-diabetic mothers compared to controls.
  • This suggests a potential difference in bone quality in this specific neonatal population.

Conclusions:

  • Large for gestational age infants born to non-diabetic mothers exhibit lower bone speed of sound.
  • This finding indicates potentially reduced bone quality in these infants, warranting further investigation.
Abstract