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Development of an auxiliary system for the execution of vascular catheter interventions with a reduced radiological risk; system description and first experimental results.

Abstract：

:Vascular catheterization is a common procedure in clinical medicine. It is normally performed by a specialist using an X-ray fluoroscopic guide and contrast-media. In the present paper, an image-guided navigation system which indicates a path providing guidance to the desired target inside the vascular tree is described with the aim of reducing the exposure of personnel and patients to X-rays during the catheterization procedure. A 3D model of the patient vascular tree, reconstructed with data collected by an angiography before starting the intervention, is used as a guide map instead of fluoroscopic scans. An accurate spatial correspondence between the body of the patient and the 3D reconstructed vascular model is established and, by means of a position indicator installed over the catheter tip, the real-time position/orientation of the tip is indicated correctly. This paper describes the system and the operational procedures necessary to use the proposed method efficiently during a catheter intervention. Preliminary experimental results on a phantom are also reported.

journal_name

Comput Methods Programs Biomed

journal_title

Computer methods and programs in biomedicine

authors

Placidi G,Franchi D,Marsili L,Gallo P

doi

10.1016/j.cmpb.2007.07.009

subject

Has Abstract

pub_date

2007-11-01 00:00:00

pages

144-51

issue

2

eissn

0169-2607

issn

1872-7565

pii

S0169-2607(07)00169-1

journal_volume

88

pub_type

杂志文章

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