ArticleCJEM2026
Clinical applications of gastric point-of-care ultrasound in adult emergency and critical care: a scoping review.
Article in CJEM, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectivesPoint-of-care ultrasound (PoCUS) is a cornerstone of bedside assessment in emergency and critical care, providing rapid, radiation-free visualization of anatomy and pathology. Gastric PoCUS offers a non-invasive method to assess gastric content, volume, and motility, informing management of aspiration risk, airway interventions, and enteral feeding. Despite supporting evidence, its use remains limited and poorly standardized. The objective of this scoping review is to map the clinical applications of gastric PoCUS in adult emergency department (ED) and intensive care unit (ICU) patients.
methodsA scoping review was conducted according to PRISMA-ScR guidelines. Medline, Embase, Scopus, Cochrane, CINAHL, were searched from 1950 to May 2025 for studies evaluating gastric ultrasound in adult ED or ICU populations. Two reviewers independently screened, extracted, and charted data.
resultsThirty-five studies met inclusion criteria. Clinical applications of gastric PoCUS among ED and ICU were clustered under three domains: aspiration risk assessment and airway management (n = 5); enteral nutrition and gastric residual volume monitoring (n = 12); and diagnostic evaluation or therapeutic monitoring (n = 18). Across studies, gastric PoCUS reliably differentiated gastric content types, estimated gastric volume, and informed airway and feeding decisions. In diagnostic contexts, gastric PoCUS enabled rapid bedside identification of gastric outlet obstruction, volvulus, intramural hematoma, and perforated viscus. No studies reported complications or harm caused by performing gastric PoCUS.
conclusionsGastric PoCUS is a versatile bedside tool bridging diagnostic and therapeutic domains in emergency and critical care. It enhances patient safety, optimizes nutritional management, and reduces radiographic dependence. Standardization of scanning protocols, structured training, and multicenter outcome-based validation studies are needed to support routine integration in acute care.
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Registered trials
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