Document Detail

Usability of virtual-reality simulation training in obstetric ultrasonography: a prospective cohort study.
MedLine Citation:
PMID:  23303574     Owner:  NLM     Status:  Publisher    
OBJECTIVES: Prospective cohort study to assess the usability of virtual-reality (VR) simulation for obstetric ultrasound trainees. METHODS: Twenty-six participants were recruited; 18 obstetric ultrasound trainees (with little formal ultrasonography training) and eight certified experts. They all performed five sequential VR-simulated crown-rump length (CRL) scans in a single session and three repetitions of bi-parietal diameter (BPD), occipito-frontal diameter (OFD), and femur length (FL). Outcome measures included mean percentage deviation from target for all measurements. Time taken to perform each type of scan was recorded. RESULTS: The mean percentage difference for the first scan was significantly greater for the trainee group than for the expert group for BPD (p=0.035), OFD (p=0.010), FL (p=0.008) and for time taken for first the CRL (p<0.001) and fetal biometry scan (p=0.015), demonstrating trainees were initially significantly less accurate and less efficient. Over subsequent scans, the trainees became more accurate for all measurements with a significant improvement shown for OFD and FL (p<0.05). The time for trainees to complete CRL and fetal biometry scans decreased significantly (all p<0.05) with repetition, to near-expert efficiency. CONCLUSIONS: All sonographers were able to use the simulator and produce clinically meaningful biometry results. With repetition beginners quickly approached near-expert levels of accuracy and speed. These data demonstrate that obstetricians with minimal experience can improve their ultrasonographic skills with short phase VR-simulation training. The speed of improvement suggests that VR simulation might be useful for a warm-up exercise before clinical training sessions to limit the impact of training on clinical service.
Christy Burden; Jessica Preshaw; Paul White; Timothy J Draycott; Simon Grant; Robert Fox
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-10
Journal Detail:
Title:  Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology     Volume:  -     ISSN:  1469-0705     ISO Abbreviation:  Ultrasound Obstet Gynecol     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9108340     Medline TA:  Ultrasound Obstet Gynecol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 ISUOG. Published by John Wiley & Sons, Ltd.
Specialist Registrar, Obstetrics and Gynaecology, The Women's Centre, Gloucestershire NHS Hospitals Trust, Great Western Road, Gloucester, Gloucestershire, GL1 3NN, UK.
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