Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2018 Jul;13(7):997-1007.
doi: 10.1007/s11548-018-1731-9. Epub 2018 Mar 16.

A hybrid image fusion system for endovascular interventions of peripheral artery disease

Florent Lalys  1 , Ketty Favre  2 , Alexandre Villena  3 , Vincent Durrmann  2 , Mathieu Colleaux  2 , Antoine Lucas  3   4   5 , Adrien Kaladji  3   4   5
Affiliations

A hybrid image fusion system for endovascular interventions of peripheral artery disease

Florent Lalys et al. Int J Comput Assist Radiol Surg. 2018 Jul.

Abstract

Purpose: Interventional endovascular treatment has become the first line of management in the treatment of peripheral artery disease (PAD). However, contrast and radiation exposure continue to limit the feasibility of these procedures. This paper presents a novel hybrid image fusion system for endovascular intervention of PAD. We present two different roadmapping methods from intra- and pre-interventional imaging that can be used either simultaneously or independently, constituting the navigation system.

Methods: The navigation system is decomposed into several steps that can be entirely integrated within the procedure workflow without modifying it to benefit from the roadmapping. First, a 2D panorama of the entire peripheral artery system is automatically created based on a sequence of stepping fluoroscopic images acquired during the intra-interventional diagnosis phase. During the interventional phase, the live image can be synchronized on the panorama to form the basis of the image fusion system. Two types of augmented information are then integrated. First, an angiography panorama is proposed to avoid contrast media re-injection. Information exploiting the pre-interventional computed tomography angiography (CTA) is also brought to the surgeon by means of semiautomatic 3D/2D registration on the 2D panorama. Each step of the workflow was independently validated.

Results: Experiments for both the 2D panorama creation and the synchronization processes showed very accurate results (errors of 1.24 and [Formula: see text] mm, respectively), similarly to the registration on the 3D CTA (errors of [Formula: see text] mm), with minimal user interaction and very low computation time. First results of an on-going clinical study highlighted its major clinical added value on intraoperative parameters.

Conclusion: No image fusion system has been proposed yet for endovascular procedures of PAD in lower extremities. More globally, such a navigation system, combining image fusion from different 2D and 3D image sources, is novel in the field of endovascular procedures.

Keywords: Endovascular procedures; Image fusion; Lower extremities; Peripheral artery disease.

PubMed Disclaimer

References

    1. J Digit Imaging. 2015 Aug;28(4):474-80 - PubMed
    1. Med Phys. 2008 May;35(5):2180-94 - PubMed
    1. Catheter Cardiovasc Interv. 2012 Dec 1;80(7):1090-8 - PubMed
    1. Med Image Comput Comput Assist Interv. 2009;12(Pt 1):173-80 - PubMed
    1. Med Image Anal. 2010 Oct;14(5):674-86 - PubMed

MeSH terms