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 26 May 2018

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News

Virtual reality simulator for colonoscopy is effective for training

Researchers in the latest Endoscopy validate a second-generation virtual reality simulator for colonoscopy training.

News image

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Simulators are increasingly used in skills training for physicians.

However data on systematic evaluation of the performance of these simulators are scarce compared with those used in aviation.

Dr Koch and colleagues from the Netherlands determined the expert validity, the construct validity, and the training value of the novel Olympus simulator as judged by experts.

Maximum pain score was higher in the expert than the novice group
Endoscopy

The team’s participants were novices and experts.

Novices had no prior experience in flexible endoscopy.

Experts had all performed more than 1000 colonoscopies.

Participants filled out a questionnaire on their impression of the realism of the colonoscopy exercises performed.

These included a dexterity exercise and a virtual colonoscopy.

Test parameters used were points acquired in a game, time to reach the cecum, maximum insertion force, and ‘patient pain’.

The researchers found that 26 novices scored a median of 973 points, and 23 experts scored 1212 points.

This difference did not reach significance.

Experts performed virtual colonoscopy significantly faster than novices but used more insertion force.

Maximum pain score was higher in the expert than the novice group, at 86% vs 73%, respectively.

The realism was graded 7 on a 10-point scale.

Experts considered the Olympus simulator beneficial for the training of novice endoscopists.

Dr Koch’s team concluded, “The novel Olympus simulator discriminates excellently between the measured levels of expertise.”

“The prototype offers a good realistic representation of colonoscopy according to experts.”

“Although the software development is continuing, the device can already be implemented in the training program of novice endoscopists.”

Endoscopy 2008: 40: 735-738


17 September 2008

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