The feasibility of point-of-care ultrasound conducted by physiotherapists for the diagnosis of ankle syndesmosis injuries in the Emergency Department: A diagnostic study
Grant ID: EMJS-462R41-2024-HAYES
Project Summary
Syndesmosis injuries, also known as a high ankle sprain, due to ligamentous injury are relatively uncommon but can have devastating outcomes when missed. This includes chronic pain, instability and osteoarthritis. Early surgical fixation of these injuries is recommended in some cases. Magnetic Resonance Imaging (MRI) is the most accurate way to diagnose these, but not ordered in the emergency department (ED) due to its cost and poor availability. Although clinical tests can help to narrow down who needs an MRI, they are often inaccurate in the acute phase. Ultrasound performed by sonographers can visualise ligament to components of the syndesmosis complex to streamline MRI referrals but is under demand during the day and not available afterhours. Point of Care Ultrasound (POCUS) performed by clinicians is an alternative option for imaging.
Emergency physiotherapy practitioners (EPP) typically manage patients with musculoskeletal injuries in the ED and are well placed to perform musculoskeletal POCUS. This study will evaluate the feasibility and accuracy of ED physiotherapist-performed POCUS for the diagnosis of ligament injury in the ED, indicative of a syndesmosis injury, against radiology-performed ultrasound. This could guide MRI patient selection to allow for earlier detection of unstable ankle injuries and expedite outpatient orthopaedic expert review and management. If POCUS by ED physiotherapists is demonstrated to be feasible and accurate for these syndesmosis injuries, the results of this study could inform the development of a diagnostic pathway that could be implemented in EDs locally and throughout Australia.
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