Catheter tracking and visualization using 19F nuclear magnetic resonance

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
Sebastian KozerkeDerek L G Hill

Abstract

This work presents an investigation into catheter visualization and localization using 19F nuclear magnetic resonance (NMR) in conjunction with proton imaging. For this purpose, the imaging capabilities of a standard system were extended to allow for 19F excitation and signal detection. Two modes of operation were implemented: 1) a real-time tracking mode that provides tip tracking and automatic slice position updates interleaved with real-time, interactive proton imaging; and 2) a non-real-time catheter length visualization mode in which the entire length of a catheter can be assessed. Initial phantom experiments were conducted with the use of an angiographic balloon catheter filled with the blood substitute perfluorooctylbromide (PFOB). Using limited bandwidth excitation centered at the resonances of the CF2 groups of PFOB, we found that sufficient signal could be received to facilitate tip tracking during catheter motion and length visualization for various catheter configurations. The present approach is considered a promising alternative to existing methods, which either are associated with safety concerns (if active markers are employed) or suffer from insufficient, direction-dependent contrast (if passive visualization i...Continue Reading

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Citations

Sep 1, 2005·Pediatric Cardiology·A N Raval, R J Lederman
Jul 16, 2005·Heart·V Muthurangu, R S Razavi
Dec 31, 2008·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Kanishka RatnayakaRobert J Lederman
Aug 14, 2009·Journal of Cardiovascular Magnetic Resonance : Official Journal of the Society for Cardiovascular Magnetic Resonance·Ozgur KocaturkRobert J Lederman
Aug 5, 2015·Scientific Reports·Nicholas WhitingPratip K Bhattacharya
Dec 22, 2011·IEEE Transactions on Medical Imaging·Kevan J T AndersonGraham A Wright
Nov 19, 2013·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Saikat SenguptaE Brian Welch
Nov 9, 2005·Circulation·Robert J Lederman
May 31, 2007·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Peter MagnussonKlaes Golman
Jul 5, 2007·Journal of Magnetic Resonance Imaging : JMRI·Shashank SathyanarayanaErgin Atalar
Jun 16, 2009·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·C O SchirraS Kozerke

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