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Surgical Endoscopy
Published in: Surgical Endoscopy 11/2012

01-11-2012 | Review

Systematic review of validity testing in colonoscopy simulation

Authors: James Ansell, John Mason, Neil Warren, Peter Donnelly, Neil Hawkes, Sunil Dolwani, Jared Torkington

Published in: Surgical Endoscopy | Issue 11/2012

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Abstract

Background

Simulation is a useful adjunct to skills-based training. It potentially avoids risk to patients during training and development of basic interventional techniques. This may be of particular relevance in colonoscopy where the learning curve can be long. Several endoscopic devices exist that simulate colonoscopy for training purposes. This study was designed to review the evidence for the validity of these simulators.

Methods

MEDLINE (1947 to present), PubMed, Embase classic + Embase, the metaRegister of Controlled Trials, and the Education Resources Information Center (ERIC) were searched for studies validating colonoscopy simulators. For each study, we recorded the type of simulator used, the tasks assessed, the endpoints reported, and the type of validity measured. Common endpoints between studies were compared, and the evidence was graded.

Results

Thirteen studies met the inclusion criteria. Construct validity was reported in five (41.7 %) studies for the Accutouch HT Immersion (cases 1, 3, and 4), four studies (33.3 %) for the GI mentor II (Simbionix) (Modules 1.1, 1.3, 1.7, 2.1, and 5), two studies (16.7 %) for the Olympus Endo Ts-1 2nd Generation, and one study for the Endo X bovine model. Face validity was reported for the Accutouch HT Immersion, the Olympus 2nd Generation, and the KAIST-Ewha. Content validity was reported for the all simulators, excluding the KAIST-Ewha. The only report of criterion validity was for the Endo X bovine model.

Conclusion

Evidence exists to support the face, content, and construct validity of several virtual reality colonoscopy simulators for specific diagnostic and therapeutic modules with selected endpoints. One study demonstrates content, construct, and criterion validity for an ex vivo animal platform. Further work is needed to demonstrate the criterion validity of all devices.
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Metadata
Title
Systematic review of validity testing in colonoscopy simulation
Authors
James Ansell
John Mason
Neil Warren
Peter Donnelly
Neil Hawkes
Sunil Dolwani
Jared Torkington
Publication date
01-11-2012
Publisher
Springer-Verlag
Published in
Surgical Endoscopy / Issue 11/2012
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-012-2332-2

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