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Decision support system for the planning of minimally invasive aortic valve replacement surgery

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International Journal of Computer Assisted Radiology and Surgery Aims and scope Submit manuscript

Abstract

Purpose

Minimally invasive aortic valve replacement (MIAVR) procedures remain more complex and technically challenging compared to conventional full sternotomy surgery. This technique involves a restricted surgical field and a limited workspace, which is, at present, strictly reserved for the most experienced surgeons. The MIAVR clinical outcomes are strongly dependent on the appropriate choice of the thoracic incision. This work presents a decision support system to optimize, through an interactive visualization interface, the exposure of the target structure in a limited field of view.

Methods

Our approach is based on the computation of relevant anatomical measurements from preoperative CT images, and it takes into account the surgical guidelines in order to propose the surgical access that best fits the patient’s morphology.

Results

The proposed planning system was applied and tested on 30 datasets from patients affected by severe aortic stenosis for validation purposes. We evaluated the accuracy of the automatic detections and the measurements calculated by the system with those chosen manually by the expert.

Conclusions

In 87% of thirty cases, the surgical strategy proposed by the decision support system was correct. For the remaining cases, the graphical user interface (GUI) allowed the user to manually adjust the anatomical features.

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Acknowledgements

This work has been partially supported by the LABEX CAMI (Ref. ANR-11-LABX-0004).

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Authors and Affiliations

  1. INSERM, UMR 1099, 35000, Rennes, France

    Hui Li, Miguel Castro, Pascal Haigron & Jean-Philippe Verhoye

  2. Université de Rennes 1, LTSI, 35000, Rennes, France

    Hui Li, Miguel Castro, Pascal Haigron, Jean-Philippe Verhoye & Vito Giovanni Ruggieri

  3. CHU Rennes, Service de Chirurgie Thoracique el de Chirurgie Vasculaire, 35000, Rennes, France

    Jean-Philippe Verhoye & Vito Giovanni Ruggieri

Authors
  1. Hui Li
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  2. Miguel Castro
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  3. Pascal Haigron
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  4. Jean-Philippe Verhoye
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  5. Vito Giovanni Ruggieri
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Corresponding author

Correspondence to Miguel Castro.

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Conflict of interest

The authors declare that they have no competing interests.

Ethical standard

Anonymous retrospective procedure data were used. For this type of study, formal consent is not required.

Informed consent

For this type of study, informed consent of the participants is not required.

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Li, H., Castro, M., Haigron, P. et al. Decision support system for the planning of minimally invasive aortic valve replacement surgery. Int J CARS 13, 1245–1255 (2018). https://doi.org/10.1007/s11548-018-1725-7

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  • DOI: https://doi.org/10.1007/s11548-018-1725-7

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