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Cureus. 2019 Jan 18;11(1):e3911. doi: 10.7759/cureus.3911.

Performance of Ultrasound-guided Peripheral Nerve Blocks by Medical Students After One-day Training Session.

Author information

1
Emergency Medicine, University of Arizona, Tucson, USA.
2
Emergency Medicine, Banner University Medical Center, Tucson, USA.
3
Pharmacology, University of Arizona, Tucson, USA.

Abstract

Introduction  Ultrasound-guided peripheral nerve blocks (USGPNB) are performed by various specialists and are excellent, non-addicting pain control techniques. Alternative pain management approaches are needed to combat opiate abuse. Medical students should be aware of alternative pain management therapies before they begin clinical practice. Objective  Our objective was to determine if medical students can identify peripheral nerves under ultrasound and perform a USGPNB after a one-day hands-on training session. Methods  This was a cross-sectional study at an academic medical center. The study participants were third-year medical students with minimal prior ultrasound experience. Students were given an introductory lecture highlighting the opiate epidemic and benefits of USGPNB prior to the workshop. The one-day hands-on educational workshop consisted of learning basic sonographic anatomy, indications for USGPNB, and practicing needle guidance under ultrasound guidance. After the educational workshop, students' procedural competency was assessed by ultrasound-trained emergency medicine clinicians. Results  A total of 94 participants were included in this study. The average pre-test score was 68.4% (95% confidence interval [CI]; 65.4% to 71.4%). After the one-day educational workshop, the post-test score was 92.8% (95% CI; 90.8% to 94.8%). The average hands-on evaluation score was 84.4% (95% CI; 81.6% to 87.3%). All students agreed that this educational session is a good start to learning about USGPNB, and they felt comfortable identifying the peripheral nerves using ultrasound. On a confidence scale of one (low) through 10 (high), 83% (95% CI; 75.9% to 90.15%) rated their confidence as ≥6. All except one student either agreed that this educational session helped them understand how USGPNB could be integrated into acute pain management. The majority (84% [95% CI; 77% to 91%]) agreed that the session will change how they manage patients' acute pain in their future medical practice. Conclusion  Medical students can learn the sonographic anatomy of peripheral nerves and techniques of USGPNB after a one-day educational session.

KEYWORDS:

medical education; medical simulation; medical student education; opioid addiction; pain management; peripheral nerve blocks; point-of-care ultrasound; ultrasound-guided procedures

Conflict of interest statement

The authors have declared that no competing interests exist.

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