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Simulation-based training using a vessel phantom effectively improved first attempt success and dynamic needle-tip positioning ability for ultrasound-guided radial artery cannulation in real patients: An assessor-blinded randomized controlled study.


ABSTRACT: BACKGROUND:We evaluated whether a simulation-based training with a vessel phantom improves the basic skills of a novice required for ultrasound-guided radial artery cannulation in real patients. In addition, we analysed whether repeated simulation training sets with an inter-training interval would accelerate the learning curve. METHODS:From March 2019 to July 2019, twenty-one anesthesiology residents were randomized into either a simulation group (n = 11) or control group (n = 10). Residents performed a total of 84 ultrasound-guided radial artery cannulations in real patients. The simulation group participated in two sets of simulation training on a vessel phantom (10 sessions per set) with a one-month inter-training interval. Trainee's performance proficiency was scored using a developed checklist, and a learning curve for each training set was constructed. To evaluate the effectiveness of our training curriculum in skill transfer, each resident performed four ultrasound-guided radial artery cannulations in real patients. The primary outcome was first attempt success rate and the secondary outcome was dynamic needle-tip positioning ability in real patients. RESULTS:The first attempt success rate and dynamic needle-tip positioning ability by ultrasound transducer were significantly higher in the simulation group than the control group (81.8% vs. 50%, P = 0.002 and 68.2% vs. 7.5%, P < 0.001, respectively). A reduced number of sessions was required to reach a plateau score on the learning curve in the repeated training set compared in the first-set (7 (5-8) vs. 3 (2-4), P = 0.003, respectively). CONCLUSIONS:Simulation-based training using a vessel phantom effectively improved the first attempt success rate for ultrasound-guided radial artery cannulation in real patients and the dynamic needle-tip positioning ability by ultrasound transducer in novice anesthesiology residents. In addition, repeated training curriculum accelerated the learning curve for recall skill proficiency and reduced inter-individual variability for skill acquisition. CLINICAL TRIAL REGISTRATION:Clinical Research Information Service (KCT0003471, Principle investigator: Jeong Jin Min, Date of registration: 06/March/2019).

SUBMITTER: Oh EJ 

PROVIDER: S-EPMC7289374 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Simulation-based training using a vessel phantom effectively improved first attempt success and dynamic needle-tip positioning ability for ultrasound-guided radial artery cannulation in real patients: An assessor-blinded randomized controlled study.

Oh Eun Jung EJ   Lee Jong-Hwan JH   Kwon Eun Jin EJ   Min Jeong Jin JJ  

PloS one 20200611 6


<h4>Background</h4>We evaluated whether a simulation-based training with a vessel phantom improves the basic skills of a novice required for ultrasound-guided radial artery cannulation in real patients. In addition, we analysed whether repeated simulation training sets with an inter-training interval would accelerate the learning curve.<h4>Methods</h4>From March 2019 to July 2019, twenty-one anesthesiology residents were randomized into either a simulation group (n = 11) or control group (n = 10  ...[more]

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