ArticleBMC medical education2026
Rapid skill acquisition through task-specific ultrasound training for peripheral cannulation in medical students.
Article in BMC medical education, 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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5 authors.
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Abstract
backgroundUltrasound (US)-guided peripheral intravenous access is a core procedural competency. However, formal training opportunities for medical students are often limited by short clinical rotations. This study evaluated the feasibility and short-term outcomes of a brief, skill-focused training curriculum in enabling the medical rotating trainees to successfully perform cannulation using US guidance.
methodsIn this pilot study, 22 clerks and 8 postgraduate year (PGY) residents participated in a 25-min task-specific training program consisting of an instructional video, live demonstration, and supervised hands-on practice using the Blue phantom US training model and the handheld US device (Vscan air). This curriculum exclusively emphasized the out-of-plane approach with dynamic needle tip positioning method, the use of large-gauge needles, and activation of the on-screen midline to target the vessel center while maintaining a stable probe position. Self-confidence and perceptions on the use of US guidance were assessed using pre- and post-training questionnaires on a 10-point ordinal scale. Technical competence was evaluated using a post-training practical assessment.
resultsAfter the training, median self-confidence level increased from 5 to 8, and the willingness to try US-guided cannulation before calling for help increased from 7.5 to 10 (both P < 0.001). All participants successfully completed US-guided cannulation in the simulation model, while PGY residents spent less time than clerks (68.5 vs. 133 s, P = 0.011).
conclusionsA goal-directed US training curriculum using handheld US devices facilitates immediate skill acquisition and improves short-term confidence in novice learners within a limited training timeframe.
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