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Atypical gastric ultrasound appearance immediately after food intake

Atypical gastric ultrasound appearance immediately after food intake Gastric point‐of care‐ultrasound (POCUS) is an emerging clinical tool. Its utility in guiding clinical decision‐making relies on the ability to differentiate between the appearance of an empty stomach; fluid‐filled stomach (clear versus particulate fluid); ‘early solid’ content; and ‘late solid’ content, with the most accurate imaging obtained when the patient is scanned in the right lateral decubitus (RLD) position [1]. The typical appearance of early solids is often referred to as a ‘frosted glass’ pattern, where the anterior wall of the antrum is visible with large acoustic shadowing posteriorly (Fig. 1a). This appearance is caused by air swallowed during eating, creating a mucosa‐air interface indicated by multiple ‘ring‐down’ artefacts on the anterior gastric wall which blur the posterior wall [1–4]. In contrast, the appearance of late solids occurs after the air is displaced, and a distended antrum with mixed echogenicity is seen (Fig. 1b). To our knowledge, all published descriptions of gastric ultrasound to date describe the frosted glass appearance immediately after food intake. In a study of six healthy volunteers, all volunteers demonstrated a late solid sonographic appearance when scanned 90 min after ingesting a solid meal [3]. However, the time period over which this occurs is described within the literature http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anaesthesia Reports Wiley

Atypical gastric ultrasound appearance immediately after food intake

Sidhu, N. S.; Robertson, K.
Anaesthesia Reports , Volume 10 (2) – Jul 1, 2022
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Publisher
Wiley
Copyright
2022 © Association of Anaesthetists
eISSN
2637-3726
DOI
10.1002/anr3.12191
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Abstract

Gastric point‐of care‐ultrasound (POCUS) is an emerging clinical tool. Its utility in guiding clinical decision‐making relies on the ability to differentiate between the appearance of an empty stomach; fluid‐filled stomach (clear versus particulate fluid); ‘early solid’ content; and ‘late solid’ content, with the most accurate imaging obtained when the patient is scanned in the right lateral decubitus (RLD) position [1]. The typical appearance of early solids is often referred to as a ‘frosted glass’ pattern, where the anterior wall of the antrum is visible with large acoustic shadowing posteriorly (Fig. 1a). This appearance is caused by air swallowed during eating, creating a mucosa‐air interface indicated by multiple ‘ring‐down’ artefacts on the anterior gastric wall which blur the posterior wall [1–4]. In contrast, the appearance of late solids occurs after the air is displaced, and a distended antrum with mixed echogenicity is seen (Fig. 1b). To our knowledge, all published descriptions of gastric ultrasound to date describe the frosted glass appearance immediately after food intake. In a study of six healthy volunteers, all volunteers demonstrated a late solid sonographic appearance when scanned 90 min after ingesting a solid meal [3]. However, the time period over which this occurs is described within the literature

Journal

Anaesthesia Reports – Wiley

Published: Jul 1, 2022

Keywords: gastric emptying; gastric ultrasound; point‐of‐care ultrasound; ultrasonography

References

  • Images in anesthesiology: gastric ultrasound
    El‐Boghdadly, K; Kruisselbrink, R; Chan, VW; Perlas, A
  • Point‐of‐care gastric ultrasound and aspiration risk assessment: a narrative review
    Perlas, A; Arzola, C; Van de Putte, P
  • Bedside ultrasound assessment of gastric content: an observational study
    Cubillos, J; Tse, C; Chan, VW; Perlas, A
  • Ultrasound assessment of gastric content and volume
    Van de Putte, P; Perlas, A