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Updated: Nov 2, 2025

Author Spotlight: Using Point-of-Care Ultrasound for Comprehensive Evaluation of the Abdominal Aorta
Published on: September 8, 2023
Validation of an assessment tool for estimation of abdominal aortic aneurysm compression in diagnostic ultrasound
Morten Bo Søndergaard Svendsen1, Qasam Mohammed Ghulam2, Alexander Hakon Zielinski3
1Copenhagen Academy for Medical Education and Simulation (CAMES), Teilum, Blegdamsvej 9, 2100 Copenhagen, Denmark.
Abstract:
The study investigated ultrasound (US) transducer push, tantamount to applied transducer pressure, during abdominal aortic aneurysm (AAA) US scanning in a simulated non-clinical setup. During an assessment of maximal AAA diameter on a three-dimensional print-based AAA phantom, US transducer push varied as much as 2000% (range: 0.52-12.45 kPa) amongst 16 experienced sonographers. The mean transducer push was 5.54 ± 3.91 kPa (CV = 0.71). Deformation of a standardized gel-pad allowed for transducer push calculation based on US images; Young's modulus of the gel-pad was estimated to 44,26 N/m2. The method is theoretically validated in a safe and non-clinical environment. Future investigations with the aim of clinical validation of the gel-pad principle on AAA patients are suggested, including the objectification of the magnitude of an eventual transducer push-related error during US AAA diameter measurement.
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