Abstract
The aim of this study was to evaluate an agar model that could be used to train physicians to perform ultrasound-guided procedures. Eleven (N = 11) physical medicine and rehabilitation residents volunteered to be subjects. All subjects completed a questionnaire about their experience and comfort with ultrasound-guided procedures. In phase 1, subjects were instructed to identify specific structures and perform specific procedures on the agar models; these tasks were timed. All subjects were then given a short lecture on fundamentals of ultrasound-guided procedures and percutaneous needle tenotomy. In phase 2, subjects then performed the same tasks again on the agar model and completed the questionnaire again. Analysis was performed using paired t tests. The number of structures successfully identified significantly increased from phase 1 (mean = 1.45) to phase 2 (mean = 2.54) (P = 0.003). Time to complete the needle access task in phase 2 (mean = 258 secs) significantly decreased compared with phase 1 (mean = 394 secs) (P = 0.04). Subjectively, our participants reported that they felt more comfortable performing ultrasound-guided procedures (P = 0.005) and felt more familiar with percutaneous needle tenotomy (P = 0.00004) after using the model. In conclusion, residents demonstrated improvement in ultrasound-guided procedural skills and reported increased comfort performing these procedures after training on the agar model.
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More From: American Journal of Physical Medicine & Rehabilitation
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