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Feasibility, reliability, and clinical utility of skeletal muscle assessment with A-mode ultrasonography in hospitalized patients with burns

  • Association of Dutch Burn Centers
  • Radboud University Medical Center, Department of Gastroenterology and Hepatology, Dietetics
  • Vrije Universiteit Brussel, Faculty of Physical Education and Physiotherapy, Department of Physiotherapy, Human Physiology and Anatomy, Experimental Anatomy Research Group
  • Martini Hospital, Department of Dietetics
  • University of Groningen, University Medical Center Groningen, Department of Rehabilitation Medicine
  • University of Groningen, University Medical Center Groningen, Department of Health Science, Health Psychology Section
  • University of Groningen, University Medical Center Groningen, Department of Human Movement Sciences

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

OBJECTIVES: Amplitude-mode (A-mode) ultrasonography is a promising technique to monitor loss and recovery of skeletal muscle in patients with burns. However, its clinimetric properties are unknown. Therefore, we determined its feasibility, interrater, and intrarater reliability, and clinical utility.

METHODS: Skeletal muscle thickness of upper arms and legs was assessed longitudinally in hospitalized adult patients with ≥ 5 % total body surface area (TBSA) burns, by pairs of two out of five raters. Feasibility was evaluated by % successful assessments, reliability by intra-class correlation coefficients (ICCs), and clinical utility by smallest detectable change (SDC).

RESULTS: Thirty-four patients participated (77 % male; mean age 48 ± 17 y, median TBSA burned 12 % [IQR 7-19]). Images were acquired on 69 % of planned occasions, and 89 % of images could be analyzed. Overall interrater ICCs were ≥ 0.84 (for pairs: 0.63-0.99) and intrarater ICCs were ≥ 0.95 (for pairs: 0.45-0.99). The overall interrater SDC was ≤ 33 % of the measured mean (for pairs: 3-52 %), while intrarater SDC was ≤ 20 % (for pairs: 3-48 %). All five raters could measure legs with moderate to excellent reliability, whereas for arms some demonstrated poor reliability.

CONCLUSION: A-mode ultrasonography assessment of skeletal muscle in patients with burns is feasible. However, reliability and clinical utility are rater-dependent; therefore we recommend assessments by the same rater.

Original languageEnglish
Article number107673
JournalBurns : journal of the International Society for Burn Injuries
Volume51
Issue number8
Early online date19 Aug 2025
DOIs
Publication statusPublished - 20 Aug 2025

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 03 - Good Health and Well-being
    SDG 03 Good Health and Well-being
  2. SDG 17 - Partnerships for the Goals
    SDG 17 Partnerships for the Goals

Keywords

  • Bedside ultrasonography
  • Catabolism
  • Muscle wasting
  • Skeletal muscle mass
  • burns

Research Focus Areas Hanze University of Applied Sciences * (mandatory by Hanze)

  • Healthy Ageing

Research Focus Areas Research Centre or Centre of Expertise * (mandatory by Hanze)

  • Frailty and adequate care

Publinova themes

  • Other

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