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The effect of electromagnetic guidance system on early learning curve of ultrasound for novices

Authors
 Eun Jung Kim  ;  Jiyoung Min  ;  Jeongyun Song  ;  Kyungchul Song  ;  Jang-Ho Song  ;  Hyo Jin Byon 
Citation
 Korean Journal of Anesthesiology, Vol.69(1) : 15-20, 2016 
Journal Title
 Korean Journal of Anesthesiology 
ISSN
 2005-6419 
Issue Date
2016
Keywords
Electromagnetic fields ; Learning curve ; Ultrasonography
Abstract
BACKGROUND: Electromagnetic guidance reveals needle alignment and position relative to the image plane on an ultrasound view. This study compared the early learning curves of novices performing ultrasound-guided needle placement with (n = 10) or without electromagnetic guidance (n = 10). METHODS: Participants performed 30 ultrasound-guided needle placements using an echogenic stick (0.3-cm diameter) as a target inside a phantom model; this early learning period was divided into sequential periods (P1: 1-5, P2: 6-10, P3: 11-15, P4: 16-20, P5: 21-25, P6: 26-30 attempts). RESULTS: Using an in-plane approach, the time required for needle placement in the EMG group was significantly shorter than that of the non-EMG group in P1, P2, P4, and P6 and the number of needle advances of the EMG group was significantly smaller than that of the non-EMG group in P1 and P2. Using an out-of-plane approaches, the time required for needle placement in the EMG group was significantly shorter than that of the non-EMG group in all periods, but the number of needle advances was similar between both groups in P1-P5. CONCLUSIONS: The electromagnetic guidance system may be beneficial when performing ultrasound guided peripheral nerve blocks or vascular cannulation in the early learning period, especially by inexperienced operators with reducing patient risk.
DOI
10.4097/kjae.2016.69.1.15
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
김은정(Kim, Eun Jung) ORCID logo https://orcid.org/0000-0002-5693-1336
민지영(Min, Ji Young)
변효진(Byon, Hyo Jin)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/151695
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