Body composition assessment after pediatric liver transplant
Alissa D Perteet-Jackson1, Carrie P Earthman2, Kathleen L Price3
1Department of Food Science and Nutrition, University of Minnesota Twin Cities, St. Paul, Minnesota, USA.
JPEN. Journal of Parenteral and Enteral Nutrition
|March 9, 2021
Summary
Body composition assessment in pediatric liver transplant recipients is crucial for monitoring nutritional status. Air displacement plethysmography and multiple-frequency bioelectrical impedance analysis provide comparable results for assessing body fat in these children.
Area of Science:
- Pediatric Gastroenterology and Hepatology
- Clinical Nutrition
- Body Composition Analysis
Background:
- Pediatric liver transplantation aims to restore metabolic function, but some children experience malnutrition, increased adiposity, or obesity post-transplant.
- Accurate assessment of body composition is vital for managing nutritional status and mitigating adverse outcomes in pediatric liver transplant recipients.
Purpose of the Study:
- To describe weight gain quality in pediatric liver transplant recipients (ages 2-17) using multiple assessment tools.
- To evaluate the accuracy of multiple-frequency bioelectrical impedance analysis (MF-BIA) and ultrasound in determining body composition and weight gain quality.
Main Methods:
- A cross-sectional study involving pediatric liver transplant recipients.
- Utilized anthropometric measurements, air displacement plethysmography (ADP), multiple-frequency bioelectrical impedance analysis (MF-BIA), and ultrasound measurements.
- Compared body composition data obtained from ADP and MF-BIA.
Main Results:
- Mean percent body fat measured by ADP and MF-BIA showed no statistically significant difference (18.4% vs. 19.0%, P > .99).
- Insufficient data were available to correlate ultrasound-derived muscle and adipose tissue thickness with body fat percentages from ADP or MF-BIA.
Conclusions:
- ADP and MF-BIA yield comparable measures of percent body fat, fat mass, and fat-free mass in pediatric liver transplant recipients.
- The stand-on MF-BIA device shows potential as a reliable tool for body composition assessment in this pediatric population.
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