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Comparison of two-dimensional high-definition, ultra high-definition and three-dimensional endovision systems: an ex-vivo randomised study

  • 2020 EAES Oral
  • Published:
Surgical Endoscopy Aims and scope Submit manuscript

Abstract

Background

Two-dimensional high-definition (2D HD) endovision system is preferred for laparoscopic surgery. Recently, new generation three-dimensional (3D) HD and ultra-HD (4K) endovision systems are introduced to improve the safety and efficacy of laparoscopic surgery. There is limited evidence on superiority of one technology over the others. This experimental trial was designed to evaluate 2D HD, 3D HD and 4K HD endovision systems in performance of standardized tasks.

Methods

This was a randomized, cross-over experimental study. Twenty-one surgical residents who were exposed to laparoscopic surgery were enrolled. Participants were randomly assigned into three groups. Each group performed standardised tasks i.e. peg transfer, precision cutting, navigating in space and intra-corporeal suturing using 2D HD, 4K HD and 3D HD endovision systems on a box trainer. Procedures were recorded as 2D HD videos and analysed later. Participant’s perceived workload was assessed using Surg-TLX questionnaire. Primary endpoints were execution time in seconds and error score. Secondary endpoint was workload assessment.

Results

The 3D HD had shorter execution time compared to 2D HD and 4K HD in all tasks except precision cutting (p = 0.004, 0.03, 0.001, 0.001 and p = 0.002, 0.191, 0.006, 0.005 in peg transfer, precision cutting, navigating in space and intra-corporeal suturing respectively). The 4K HD was significantly faster than 2D HD only in navigating in space task (p = 0.002). The error score between 3D HD and 4K HD were comparable in all tasks. The 2D HD had significantly more error scores compared to 4K HD, 3D HD in peg transfer task (p = 0.005, 0.014, respectively). 3D HD had significantly less workload than 2D HD and 4K HD in most of the dimensions of Surg-TLX

Conclusions

3D HD endovision system in comparison to 2D HD and 4K HD, may lead to faster execution without compromising safety of a task and is associated with less workload.

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Funding

No research funding received for the paper.

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Authors and Affiliations

  1. Department of Surgical Disciplines, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India

    Hemanga K. Bhattacharjee, Shafneed Chaliyadan, Harshit Agarwal, Suhani Suhani, Mohit Joshi & Rajinder Parshad

  2. National Drug Dependence Treatment Centre (NDDTC), All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India

    Ashwani K. Mishra

Authors
  1. Hemanga K. Bhattacharjee
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  2. Shafneed Chaliyadan
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  3. Ashwani K. Mishra
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  4. Harshit Agarwal
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  5. Suhani Suhani
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Correspondence to Hemanga K. Bhattacharjee.

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Disclosures

Hemanga K Bhattacharjee, Shafneed Chaliyadan, Ashwani Mishra, Harshit Agarwal, Suhani Suhani, Mohit Joshi, Rajinder Parshad, have declared that they have no conflicts of interest or financial ties to disclose.

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An informed consent was taken at the time of procedure from each participant.

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Bhattacharjee, H.K., Chaliyadan, S., Mishra, A.K. et al. Comparison of two-dimensional high-definition, ultra high-definition and three-dimensional endovision systems: an ex-vivo randomised study. Surg Endosc 35, 5328–5337 (2021). https://doi.org/10.1007/s00464-020-07980-z

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