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Visual Behaviour Strategies of Operators during Catheter-Based Cardiovascular Interventions

  • Education & Training
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Abstract

The aim was to gain insights into the visual behaviour and the perceptual skills of operators during catheter-based cardiovascular interventions (CBCVIs). A total of 33 CBCVIs were performed at the University Hospital Zurich by five operators, two experts and three novices, while wearing eye tracking glasses. The visual attention distribution on three areas of interest (AOIs) the “Echo screen”, “Fluoro screen” and “Patient” was analysed for the transseptal puncture procedure. Clear visual behaviour patterns were observable in all cases. There is a significant differences in visual attention distribution of the experts compared to the novices. Experts spent 79% of dwell time on the Echo screen and 17% on the Fluoro screen, novices spent 52% on the Echo screen and 40% on the Fluoro screen. Additionally, results showed that experts focused their gaze on smaller areas than novices during critical interventional actions. Operators seem to exhibit identifiable visual behaviour patterns for CBCVIs. These identifiable patterns were significantly different between the expert and the novice operators. This indicates that the visual behaviour of operators could be employed to assist transfer of experts’ perceptual skills to novices and to develop tools for objective performance assessment.

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Acknowledgements

The authors would like to express their gratitude to all the participants of the study. Furthermore, we thank Alberto Pozzoli, Andrea Guidotti and Yves Haag for their contribution in planning the study and for their help in the data acquisition.

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The authors have no funding to declare.

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Authors and Affiliations

  1. Product Development Group Zurich, Department of Mechanical and Process Engineering, ETH Zurich, Tannenstrasse 3, 8092, Zurich, Switzerland

    Jan Michael Zimmermann, Quentin Lohmeyer & Mirko Meboldt

  2. University Heart Center, Department of Cardiac Surgery, University Hospital Zurich, Zurich, Switzerland

    Luca Vicentini, Maurizio Taramasso & Francesco Maisano

Authors
  1. Jan Michael Zimmermann
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  2. Luca Vicentini
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  3. Quentin Lohmeyer
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  4. Maurizio Taramasso
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  5. Francesco Maisano
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  6. Mirko Meboldt
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Correspondence to Jan Michael Zimmermann.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Zimmermann, J.M., Vicentini, L., Lohmeyer, Q. et al. Visual Behaviour Strategies of Operators during Catheter-Based Cardiovascular Interventions. J Med Syst 44, 12 (2020). https://doi.org/10.1007/s10916-019-1480-5

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  • DOI: https://doi.org/10.1007/s10916-019-1480-5

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