ArticleJournal of medical radiation sciences2026
What Fat Is That? Scanning Perirenal Fat: A Survey of Australasian Sonographers.
Article in Journal of medical radiation sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
introductionUltrasound measures of perirenal adipose tissue (PRAT) have emerged as potentially efficient, cost-effective, and accessible methods for assessing cardiovascular disease (CVD) risk. Our recent systematic review supported the utility of PRAT measurement using ultrasound but highlighted a lack of standardised protocols for its clinical implementation. This measurement could be added to abdominal ultrasound examinations for little added time or cost to provide an important indicator of cardiovascular-significant obesity. The aim of this survey was to explore current practices and awareness of PRAT measurement among Australasian sonographers.
methodsWe conducted an online survey of Australasian sonographers aiming to explore respondents' knowledge of the distinct types of renal adipose tissue, and their understanding of PRAT thickness and its association with CVD. We asked if they measure it and, if so, what technique they use. Responses were assessed in terms of answers to knowledge questions or ability, and of interest or engagement.
resultsAlbeit a low response rate, n = 42, both student and qualified sonographers were represented from metropolitan, rural, and remote settings, with a broad range of professional experience. Knowledge of renal anatomy, PRAT links with metabolic disease, and peri-renal fat layers varied. There was no consensus in the ultrasound technique for measuring PRAT.
conclusionFindings revealed considerable variations in knowledge of PRAT and its clinical relevance. These differences are influenced by workplace setting, patient demographics, and level of sonographer experience. The results underscore the need for a standardised protocol to support the broader implementation of PRAT measurement in routine ultrasound practice.
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