Prospective, multicentre observational study of point-of-care ultrasound practice in emergency departments across Australia and New Zealand: The POCUS-ED Registry.

The present study aimed to describe the characteristics, performance, accuracy and significance of point-of-care ultrasound (POCUS) use in the ED, by utilising an expanded version of the ACEM-mandated special skills placement (SSP) logbook, to develop a novel clinical quality registry. A prospective, observational study was performed across EDs in Australia and New Zealand over a 12-month period. Trainees undertaking ACEM-approved ultrasound (US) SSPs recorded all US scan interpretations and follow-up imaging reports in an online database. In total, 2647 USs were recorded by 26 special skills trainees across 10 EDs in Australia or New Zealand; of these 2356 scans (89%) were clinically indicated. Overall, 2493 scans (94%) were used for diagnostic assessment, of which 1147 (43%) had abnormal findings. Basic echocardiography, extended Focused Assessment with Sonography in Trauma and right upper quadrant scans were the most commonly used modalities. There were 134 US-guided procedures logged in the registry. Approximately 36% of scans were reported to alter the original provisional diagnosis, whereas in another 37% of cases, POCUS was thought to confirm the original clinical suspicion. The majority of scans (76.5%) entered into the registry were physically reviewed by the SSP supervisor. This multicentred registry provides a detailed description of the current utilisation of POCUS within special skills US placements across EDs in Australia and New Zealand. This data should inform clinical leaders in emergency US to improve both POCUS education and governance around this important tool.

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© 2022 The Authors. Emergency Medicine Australasia published by John Wiley & Sons Australia, Ltd on behalf of Australasian College for Emergency Medicine.