Correlation Between Skeletal Muscle Mass and Fat-Free Mass in Infants Born Very Preterm.

Cyrus, Kathryn E; Jerome, Maggie L; Reeves, Audrey V; Nguyen, Kelly; Shankaran, Mahalakshmi; Evans, William J; Salas, Ariel A · J Pediatr · 2025

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Abstract

Assessing growth quality in preterm infants present challenges, particularly with the use of the standard fat-free mass measurement. We report here a moderate correlation between indirect skeletal muscle mass measurements using the D3-creatine dilution method and fat-free mass measured with air-displacement plethysmography. Skeletal muscle mass could serve as an indicator of growth quality.

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