Bioelectrical impedance analysis (BIA)-derived phase angle (PA) is a practical aid to nutritional assessment in hospital in-patients

Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition
E L PlayerA Forbes

Abstract

Nutritional status can be difficult to assess. Bioelectrical impedance analysis (BIA)-derived phase angle (PA), and the plasma markers citrulline and transthyretin (pre-albumin) have the potential to assist, but the protocol of fasting and resting for BIA renders the investigation impractical for routine use, especially so in populations at high risk of malnutrition. 1 To clarify whether starving and resting are necessary for reliable measurement of PA. 2 To identify whether PA, citrulline and transthyretin correlate with nutritional status. Eighty consenting adult in-patients were recruited. Nutritional status was determined by subjective global assessment (SGA) used as gold standard. The Malnutrition Universal Screening Tool (MUST) was used and anthropometric measurements were performed. Serum was analysed for citrulline and transthyretin. PA was measured using Bodystat 4000. The PA was considered to define malnutrition when lower than reference ranges for sex and age, and severe malnutrition if more than 2 integers below the lower limit. Anthropometric measurements were categorised according to WHO reference centiles. Ordinal logistic regression estimated the strength of association of PA, citrulline and transthyretin with S...Continue Reading

Citations

Aug 3, 2020·JPEN. Journal of Parenteral and Enteral Nutrition·Julian SunarioMatthew Anstey
Aug 12, 2020·Journal of the American College of Nutrition·Priscila Berti ZanellaCarolina Guerini de Souza
Nov 27, 2018·Internal and Emergency Medicine·Concetta FinocchiaroSimona Bo
Mar 23, 2021·Clinical Nutrition ESPEN·Bruna Ramos da SilvaAlceu A Jordao
May 30, 2021·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·M GobbiP Capodaglio
Feb 1, 2022·Expert Review of Hematology·Nicola Szeja, Sebastian Grosicki

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