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MR‐guided balloon angioplasty: In vitro demonstration of the potential of MRI for guiding, monitoring, and evaluating endovascular interventions by Chris J. Bakker; Henk F. Smits; Clemens Bos; Remko van der Weide; Karel J. Zuiderveld; Joop J. van Vaals; Wenzel F. Hurtak; Max A. Viergever; Willem P. Mali is a Medicine article available to read on EtoBox.
What is MR‐guided balloon angioplasty: In vitro demonstration of the potential of MRI for guiding, monitoring, and evaluating endovascular interventions about?
## Abstract The purpose of this study was to demonstrate the potential of MRI for guiding, monitoring, and evaluating endovascular interventions. This was done by investigating the feasibility of MR‐guided balloon angioplasty in a stenosed vessel model. Catheters and guidewires were prepared for susceptibility‐based MR visualization by incorporating paramagnetic markers into their walls. Near real‐time monitoring (up to 1 image/sec) of the interventional procedure was achieved by using a dynamic two‐dimensional gradient‐echo technique. Devices were localized by on‐the‐fly subtraction of a baseline image from consecutive dynamic images and by merging the subtraction images with a previously acquired road map. All steps involved in balloon angioplasty, from the introduction and placement of a guidewire to the positioning of a catheter across the stenosis, inflation of the balloon, and dilatation of the stenosis could adequately be monitored with MR fluoroscopy. The beneficial effect of dilatation could be substantiated by a reduction of stenosis‐related hypointensities and hyperintensities in the posttreatment MR angiogram as compared to the pretreatment angiogram and by a posttreatm
Who reads MR‐guided balloon angioplasty: In vitro demonstration of the potential of MRI for guiding, monitoring, and evaluating endovascular interventions?
It is typically read by researchers, students, and practitioners in Medicine.
- Author
- Chris J. Bakker; Henk F. Smits; Clemens Bos; Remko van der Weide; Karel J. Zuiderveld; Joop J. van Vaals; Wenzel F. Hurtak; Max A. Viergever; Willem P. Mali
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1053-1807)
- Published
- 1998
- Language
- EN
- Field
- Medicine (Health Sciences)