Document Detail

Use of computer simulation for determining endovascular skill levels in a carotid stenting model.
MedLine Citation:
PMID:  15622365     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: The purpose of this study was to determine whether performance on a simulator model of carotid artery stenting correlates with previous endovascular experience and to assess the effects of repetition and training.
METHODS: Participants were stratified to untrained and advanced skill groups on the basis of number of endovascular procedures previously performed. Baseline performance was assessed by means of a pretest, and participants were randomized to practice and no-practice groups. Practice consisted of a 30-minute to 60-minute proctored session before taking a final test; those in the no-practice group proceeded directly to the final test without this session. Primary outcomes were completion of a standardized protocol and the length of time needed to complete all steps.
RESULTS: Twenty-nine subjects (16 untrained, 13 advanced) participated fully in the study. Ninety-two percent of participants in the advanced group successfully completed the pretest, versus 63% in the untrained group (P = .09); mean time to successful completion was 29.9 +/- 4.8 (mean +/- SD) versus 48.0 +/- 9.9 minutes, respectively (P < .001). Subjects who received no practice did not significantly improve their completion times between pretest and final test, whereas those who received practice did (novice, 47.9 +/- 7.0 minutes vs 24.5 +/- 2.9 minutes, P < .001; advanced, 29.6 +/- 3.1 minutes vs 20.2 +/- 4.1 minutes, P < .001). The group without previous training had significantly more time improvement from training than did the advanced group. Exit survey results showed that those who had the opportunity to practice more commonly believed that the simulator increased their endovascular skills and interest in vascular surgery (both P < .01 vs untrained group).
CONCLUSIONS: Performance on the carotid stenting simulator correlated with previous endovascular experience. Although both novice and advanced groups improved their time after a 30-minute to 60-minute proctored training session, improvement in the novice group was greater than that in the advanced group, which suggests that novices may benefit disproportionately from this type of training.
Jeffrey H Hsu; Duraid Younan; Sudha Pandalai; Bryce T Gillespie; Raj A Jain; David W Schippert; Craig R Narins; Amit Khanna; Scott M Surowiec; Mark G Davies; Cynthia K Shortell; Jeffrey M Rhodes; David L Waldman; Richard M Green; Karl A Illig
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Publication Detail:
Type:  Clinical Trial; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Journal of vascular surgery     Volume:  40     ISSN:  0741-5214     ISO Abbreviation:  J. Vasc. Surg.     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2004-12-28     Completed Date:  2005-03-22     Revised Date:  2012-10-03    
Medline Journal Info:
Nlm Unique ID:  8407742     Medline TA:  J Vasc Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1118-25     Citation Subset:  IM    
Department of Neurosurgery, University of Rochester School of Medicine, NY 14642, USA.
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MeSH Terms
Blood Vessel Prosthesis Implantation / education*
Carotid Arteries
Clinical Competence
Computer Simulation*
Educational Measurement
Models, Cardiovascular
Reproducibility of Results

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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