Journal
INTERNATIONAL JOURNAL OF COMPUTER ASSISTED RADIOLOGY AND SURGERY
Volume 8, Issue 5, Pages 831-836Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11548-012-0811-5
Keywords
Facet joint injection; Ultrasound-guidance; Medical education; Simulation training; Perk Tutor
Funding
- NSERC USRA program
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Facet syndrome is a condition that may cause 15-45 % of chronic lower back pain. It is commonly diagnosed and treated using facet joint injections. This needle technique demands high accuracy, and ultrasound (US) is a potentially useful modality to guide the needle. US-guided injections, however, require physicians to interpret 2-D sonographic images while simultaneously manipulating an US probe and needle. Therefore, US-guidance for facet joint injections needs advanced training methodologies that will equip physicians with the requisite skills. We used Perk Tutor-an augmented reality training system for US-guided needle insertions-in a configuration for percutaneous procedures of the lumbar spine. In a pilot study of 26 pre-medical undergraduate students, we evaluated the efficacy of Perk Tutor training compared to traditional training. The Perk Tutor Trained group, which had access to Perk Tutor during training, had a mean success rate of 61.5 %, while the Control group, which received traditional training, had a mean success rate of 38.5 % (). No significant differences in procedure times or needle path lengths were observed between the two groups. The results of this pilot study suggest that Perk Tutor provides an improved training environment for US-guided facet joint injections on a synthetic model.
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