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Surgical Endoscopy

Published in:

01-10-2016

The usefulness of 3-dimensional endoscope systems in endoscopic surgery

Authors: Hiroyuki Egi, Minoru Hattori, Takahisa Suzuki, Hiroyuki Sawada, Yuichi Kurita, Hideki Ohdan

Published in: Surgical Endoscopy | Issue 10/2016

Abstract

Background

The image quality and performance of 3-dimensional video image systems has improved along with improvements in technology. However, objective evaluation on the usefulness of 3-dimensional video image systems is insufficient. Therefore, we decided to investigate the usefulness of 3-dimensional video image systems using the objective endoscopic surgery technology evaluating apparatus that we have developed, the Hiroshima University Endoscopic Surgical Assessment Device (HUESAD).

Methods

The participants were 28 student volunteers enrolled in Hiroshima University (17 men and 11 women, age: median 22.5, range 20–25), with no one having experienced endoscopic surgery training. Testing was carried out by dividing the subjects into two groups to initially carry out HUESAD with 2-dimensional video imaging (N = 14) and with 3-dimensional video imaging (N = 14). Questionnaires were carried out along with the investigation regarding both 2-dimensional and 3-dimensional video imaging. The task was carried out for approximately 15 min regarding both 2-dimensional and 3-dimensional video imaging. Lastly, the Mental Rotation Test, which is a standard space perception ability test, was used to evaluate the space perception ability.

Results

No difference was observed in the nauseous and uncomfortable feeling of practitioners between the two groups. Regarding smoothness, no difference was observed between 2-dimensional and 3-dimensional video imaging (p = 0.8665). Deviation (space perception ability) and approaching time (accuracy) were significantly lower with 3-dimensional video imaging compared to 2-dimensional video imaging. Moreover, the approaching time (accuracy) significantly improved in 3-dimensional video imaging compared to 2-dimensional video imaging in the group with low space perception ability (p = 0.0085).

Conclusion

Objective evaluation using HUESAD and subjective evaluation by questionnaire revealed that endoscopic surgery techniques significantly improved in 3-dimensional video imaging compared to 2-dimensional video imaging. Moreover, it is believed that this effect is more effective in people with low space perception ability and beginner students.

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Title: The usefulness of 3-dimensional endoscope systems in endoscopic surgery
Authors: Hiroyuki Egi
Minoru Hattori
Takahisa Suzuki
Hiroyuki Sawada
Yuichi Kurita
Hideki Ohdan
Publication date: 01-10-2016
Publisher: Springer US
Published in: Surgical Endoscopy / Issue 10/2016
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI: https://doi.org/10.1007/s00464-016-4793-1

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

The usefulness of 3-dimensional endoscope systems in endoscopic surgery

Abstract

Background

Methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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