An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience

Graeme Penney; Andreas Varnavas; Neville  Dastur; Thomas Carrell

doi:10.1007/978-3-642-21504-9_2

An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience

Graeme Penney, Andreas Varnavas, Neville Dastur, Thomas Carrell

GSTT Guy's and St Thomas' NHS Foundation Trust

Research output: Chapter in Book/Report/Conference proceeding › Conference paper

21 Citations (Scopus)

2 Downloads (Pure)

Abstract

We have designed an image guidance system to aid complex
aortic aneurysm procedures. The system is based around an intensitybased
2D-3D rigid registration algorithm which accurately aligns a vertebra
in the preoperative CT to interventional fluoroscopy. A 3D surface
rendering of the aorta and relevant target vessels is then overlaid onto the
fluoroscopy to aid guidance during the procedure. We report results from
use of the system during twenty three procedures over a ten month period.
Results showed the system to have an overall failure rate of 5.8%,
which was mostly caused by errors in determining a starting position
(misidentifying a vertebra). In 78% of cases our method was within our
target accuracy of 3mm. Non-rigid deformation caused by the interventional
instruments is believed to be the main reason for larger errors. In
twenty one of the twenty three cases the surgeon rated the system as
aiding the procedure.

Original language	English
Title of host publication	Information Processing in Computer-Assisted Interventions
Subtitle of host publication	Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings
Editors	Russell H Taylor, Guang-Zhong Yang
Place of Publication	Heidelberg
Publisher	Springer
Pages	13-24
Number of pages	12
Volume	N/A
Edition	N/A
ISBN (Print)	9783642215032
DOIs	https://doi.org/10.1007/978-3-642-21504-9_2
Publication status	Published - 22 Jun 2011

Publication series

Name	Lecture Notes in Computer Science
Publisher	Springer Berlin Heidelberg
Volume	6689
ISSN (Print)	0302-9743

Access to Document

10.1007/978-3-642-21504-9_2

Cite this

Penney, G., Varnavas, A., Dastur, N., & Carrell, T. (2011). An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience. In R. H. Taylor, & G.-Z. Yang (Eds.), Information Processing in Computer-Assisted Interventions: Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings (N/A ed., Vol. N/A, pp. 13-24). (Lecture Notes in Computer Science; Vol. 6689). Springer. https://doi.org/10.1007/978-3-642-21504-9_2

Penney, Graeme ; Varnavas, Andreas ; Dastur, Neville et al. / An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms : description and initial clinical experience. Information Processing in Computer-Assisted Interventions: Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings. editor / Russell H Taylor ; Guang-Zhong Yang. Vol. N/A N/A. ed. Heidelberg : Springer, 2011. pp. 13-24 (Lecture Notes in Computer Science).

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abstract = "We have designed an image guidance system to aid complexaortic aneurysm procedures. The system is based around an intensitybased2D-3D rigid registration algorithm which accurately aligns a vertebrain the preoperative CT to interventional fluoroscopy. A 3D surfacerendering of the aorta and relevant target vessels is then overlaid onto thefluoroscopy to aid guidance during the procedure. We report results fromuse of the system during twenty three procedures over a ten month period.Results showed the system to have an overall failure rate of 5.8%,which was mostly caused by errors in determining a starting position(misidentifying a vertebra). In 78% of cases our method was within ourtarget accuracy of 3mm. Non-rigid deformation caused by the interventionalinstruments is believed to be the main reason for larger errors. Intwenty one of the twenty three cases the surgeon rated the system asaiding the procedure.",

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Penney, G , Varnavas, A, Dastur, N & Carrell, T 2011, An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience. in RH Taylor & G-Z Yang (eds), Information Processing in Computer-Assisted Interventions: Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings. N/A edn, vol. N/A, Lecture Notes in Computer Science, vol. 6689, Springer, Heidelberg, pp. 13-24. https://doi.org/10.1007/978-3-642-21504-9_2

An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience. / Penney, Graeme ; Varnavas, Andreas; Dastur, Neville et al.
Information Processing in Computer-Assisted Interventions: Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings. ed. / Russell H Taylor; Guang-Zhong Yang. Vol. N/A N/A. ed. Heidelberg: Springer, 2011. p. 13-24 (Lecture Notes in Computer Science; Vol. 6689).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper

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T1 - An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms

T2 - description and initial clinical experience

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AU - Varnavas, Andreas

AU - Dastur, Neville

AU - Carrell, Thomas

PY - 2011/6/22

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AB - We have designed an image guidance system to aid complexaortic aneurysm procedures. The system is based around an intensitybased2D-3D rigid registration algorithm which accurately aligns a vertebrain the preoperative CT to interventional fluoroscopy. A 3D surfacerendering of the aorta and relevant target vessels is then overlaid onto thefluoroscopy to aid guidance during the procedure. We report results fromuse of the system during twenty three procedures over a ten month period.Results showed the system to have an overall failure rate of 5.8%,which was mostly caused by errors in determining a starting position(misidentifying a vertebra). In 78% of cases our method was within ourtarget accuracy of 3mm. Non-rigid deformation caused by the interventionalinstruments is believed to be the main reason for larger errors. Intwenty one of the twenty three cases the surgeon rated the system asaiding the procedure.

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Penney G , Varnavas A, Dastur N, Carrell T. An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience. In Taylor RH, Yang GZ, editors, Information Processing in Computer-Assisted Interventions: Second International Conference, IPCAI 2011, Berlin, Germany, June 22, 2011. Proceedings. N/A ed. Vol. N/A. Heidelberg: Springer. 2011. p. 13-24. (Lecture Notes in Computer Science). doi: 10.1007/978-3-642-21504-9_2

An image-guided surgery system to aid endovascular treatment of complex aortic aneurysms: description and initial clinical experience

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