ArticlePediatric research2024
Establishing feasibility and reliability of subcutaneous fat measurements by ultrasound in very preterm infants.
Article in Pediatric research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Bedside ultrasound imaging to measure muscle cross-sectional area in preterm and term infants: a feasibility study.Journal of perinatology : official journal of the California Perinatal Association · 2026Article
- A machine learning approach to using ultrasound for body composition and nutritional status assessment in newborns: a pilot study protocol.Pilot and feasibility studies · 2026Article
- Body Composition in Preterm Infants: Current Insights and Emerging Perspectives.Children (Basel, Switzerland) · 2025Review
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Authors and funding
5 authors.
Funding
Abstract
backgroundRegional fat distribution may be a marker of metabolic health and brain growth in preterm infants. Point of care ultrasound has been used to assess regional fat in term infants but has not been used widely in preterm infants.
objectiveTo longitudinally quantify changes in body composition metrics using bedside ultrasound in very preterm infants. STUDY
designVery preterm infants (N = 69) were enrolled after birth and body composition assessments were done through 36 completed weeks' postmenstrual age (PMA). Linear mixed effects regression was used to model change in body composition assessments over time.
resultsThere was an average increase across PMA for each body composition outcome. Biceps ultrasound subcutaneous fat (SQF) thickness increased by 0.11 mm (95% CI: 0.09, 0.13) each postmenstrual week. Triceps, subscapular, and abdominal ultrasound SQF remained constant through 28 weeks' PMA, then increased each week through 36 completed weeks' PMA. The inter-rater and intra-rater intraclass correlation coefficients for the ultrasound SQF measures ranged from 85.8 to 99.9.
conclusionUse of ultrasound as a novel method to assess regional fat distribution in very preterm infants is feasible and reliable. IMPACT: Regional fat distribution may be a marker of metabolic health and brain growth in preterm infants. Gold standard body composition assessments may not be feasible in medically fragile very preterm infants. This study assesses longitudinally changes in regional adiposity development using bedside ultrasound techniques in a multicenter cohort of very preterm infants. Results of this study show that bedside ultrasound as a novel method to assess regional subcutaneous fat distribution and development in very preterm infants is both feasible and reliable.
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