Simplified augmented reality device for ultrasound-guided vascular access

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“During vascular access in a vascular phantom model, the novel device decreased the time and the number of redirections significantly. The device successfully improved the efficiency of the ultrasound-guided vascular access technique.” Jeon et al (2014).

Reference:

Jeon, Y., Choi, S. and Kim, H. (2014) Evaluation of a simplified augmented reality device for ultrasound-guided vascular access in a vascular phantom. Journal of Clinical Anesthesia. September 6th. [epub ahead of print].

Abstract:

STUDY OBJECTIVE: To investigate whether a novel ultrasound device may be used with a simplified augmented reality technique, and to compare this device with conventional techniques during vascular access using a vascular phantom.

DESIGN: Prospective, randomized study.

SETTING: Anesthesiology and Pain Medicine departments of a university-affiliated hospital.

PARTICIPANTS: 20 physicians with no experience with ultrasound-guided techniques.

MEASUREMENTS: All participants performed the vascular access technique on the vascular phantom model using both a conventional device and the new ultrasound device. Time and the number of redirections of the needle until aspiration of dye into a vessel of the vascular phantom were measured.

MAIN RESULTS: The median/interquartile range of time was 39.5/41.7 seconds versus 18.6/10.0 seconds (P < 0.001) and number of redirections was 3/3.5 versus 1/0 (P < 0.001) for the conventional and novel ultrasound devices, respectively.

CONCLUSION: During vascular access in a vascular phantom model, the novel device decreased the time and the number of redirections significantly. The device successfully improved the efficiency of the ultrasound-guided vascular access technique.

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