Allergy/Rhinology

Virtual surgical planning in endoscopic skull base surgery

Stephan K. Haerle MD

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

Department of Otolaryngology–Head and Neck Surgery, University Hospital Zurich, Zurich, Switzerland

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Michael J. Daly MSc,

Michael J. Daly MSc

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

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Harley H. L. Chan PhD,

Harley H. L. Chan PhD

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

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Allan Vescan MD, FRCSC,

Allan Vescan MD, FRCSC

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Mount Sinai Hospital, Toronto, Ontario, Canada

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Walter Kucharczyk MD,

Walter Kucharczyk MD

Department of Medical Imaging, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

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Jonathan C. Irish MD, FRCSC,

Corresponding Author

Jonathan C. Irish MD, FRCSC

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

Send correspondence to Jonathan Irish, MD, FRCSC, Otolaryngology–Head and Neck Surgical Oncology, Princess Margaret Hospital, University Health Network, 3-954 610 University Ave., Toronto, ON, M5G 2M9 Canada. E-mail: [email protected]Search for more papers by this author

Stephan K. Haerle MD,

Stephan K. Haerle MD

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

Department of Otolaryngology–Head and Neck Surgery, University Hospital Zurich, Zurich, Switzerland

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Michael J. Daly MSc,

Michael J. Daly MSc

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

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Harley H. L. Chan PhD,

Harley H. L. Chan PhD

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

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Allan Vescan MD, FRCSC,

Allan Vescan MD, FRCSC

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Mount Sinai Hospital, Toronto, Ontario, Canada

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Walter Kucharczyk MD,

Walter Kucharczyk MD

Department of Medical Imaging, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

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Jonathan C. Irish MD, FRCSC,

Corresponding Author

Jonathan C. Irish MD, FRCSC

Department of Otolaryngology–Head and Neck Surgery, University Health Network/Toronto General Hospital, Toronto, Ontario, Canada

TECHNA Institute, University Health Network/University of Toronto, Toronto, Ontario, Canada

First published: 19 September 2013

https://doi.org/10.1002/lary.24004

Citations: 17

Supported by the Kevin and Sandra Sullivan Chair in Surgical Oncology, RACH Fund, Hatch Fund, and Nachwuchsfoerderungskredit of the University of Zurich.

The authors have no other funding, financial relationships, or conflicts of interest to disclose.

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Abstract

Objectives/Hypothesis

Skull base surgery (SBS) involves operative tasks in close proximity to critical structures in a complex three-dimensional (3D) anatomy. The aim was to investigate the value of virtual planning (VP) based on preoperative magnetic resonance imaging (MRI) for surgical planning in SBS and to compare the effects of virtual planning with 3D contours between the expert and the surgeon in training.

Study Design

Retrospective analysis.

Methods

Twelve patients with manually segmented anatomical structures based on preoperative MRI were evaluated by eight surgeons in a randomized order using a validated National Aeronautics and Space Administration Task Load Index (NASA-TLX) questionnaire.

Results

Multivariate analysis revealed significant reduction of workload when using VP (P<.0001) compared to standard planning. Further, it showed that the experience level of the surgeon had a significant effect on the NASA-TLX differences (P<.05). Additional subanalysis did not reveal any significant findings regarding which type of surgeon benefits the most (P>.05).

Conclusions

Preoperative anatomical segmentation with virtual surgical planning using contours in endoscopic SBS significantly reduces the workload for the expert and the surgeon in training.

Level of Evidence

4. Laryngoscope, 123:2935–2939, 2013

BIBLIOGRAPHY

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Citing Literature

Volume123, Issue12

December 2013

Pages 2935-2939

Virtual surgical planning in endoscopic skull base surgery

Abstract

Objectives/Hypothesis

Study Design

Methods

Results

Conclusions

Level of Evidence

BIBLIOGRAPHY

Citing Literature

References

Information

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Virtual surgical planning in endoscopic skull base surgery

Abstract

Objectives/Hypothesis

Study Design

Methods

Results

Conclusions

Level of Evidence

BIBLIOGRAPHY

Citing Literature

References

Related

Information