ArticleAdvances in simulation (London, England)2025
Simulated-based training for ultrasound-guided popliteal sciatic nerve block: determining the learning curve and transference to real patient.
Article in Advances in simulation (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Simulated-based Training Program for Peripheral Nerve Blocks Under Ultrasound, in Anesthesia Residents: Learning Curve and Transference
Simulation-based Training for Ultrasound-guided Popliteal Sciatic Nerve Block Performance: a Randomized Non-inferiority Study Comparing Direct Synchronous Feedback With Remote Asynchronous Feedback
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe following study aims to determine the learning curve experienced by anesthesia residents when training for an ultrasound-guided popliteal sciatic block and the transference of this training to real patient situations.
methodsAfter approval by the ethics committee, eleven first-year anesthesia residents were recruited to participate in a simulation-based training program to perform a single shot in plane popliteal sciatic block. Training consisted of 10 individual sessions, with direct feedback from the instructor, with a specific Laerdal® popliteal sciatic block phantom, lasting one hour and distributed weekly. At the end of each session, the resident's performance was assessed. Residents were videotaped while performing the block, which was to be evaluated using a validated global rating scale (GRS). Additionally, a tracking motion device attached to the operator's hands (Imperial College Surgical Assessment Device, ICSAD) recorded the total distance traveled by both hands (Total path length, TPL), number of movements (NM), and total procedure time (TPT). One week later, the same assessment was done on a real patient.
resultsTen residents completed the training and the assessments. Median values of GRS scores significantly improved from 15 to 28.3 through the training (p = 0.006). Regarding ICSAD scores, TPT improved from 126 to 63.4 s (p = 0.002), and TPL improved from 11.07 to 9.4 m (p = 0.322). When comparing the last simulated session and the subsequent measurement in an actual patient, median values of GRS, TPL and NM were not different.
conclusionsThis simulation-based training program significantly improved residents' proficiency in an ultrasound-guided popliteal sciatic block. The learning curve plateaued at session 7, and this improvement was transferred to the real patient setting. As expected, residents needed more time for the first block on a real patient than for the last simulated session. CLINICAL TRIAL NUMBER: ClinicalTrials.gov, identifier NCT06081790.
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