Wireless mobile technology to improve workflow and feasibility of MR-guided percutaneous interventions

Martin A. Rube (Lead / Corresponding author), Andrew B. Holbrook, Benjamin F. Cox, Razvan Buciuc, Andreas Melzer

    Research output: Contribution to journalArticle

    3 Citations (Scopus)

    Abstract

    Purpose A wireless interactive display and control device combined with a platform-independent web-based user interface (UI) was developed to improve the workflow for interventional magnetic resonance imaging (iMRI). Methods The iMRI-UI enables image acquisition of up to three independent slices using various pulse sequences with different contrast weighting. Pulse sequence, scan geometry and related parameters can be changed on the fly via the iMRI-UI using a tablet computer for improved lesion detection and interventional device targeting. The iMRI-UI was validated for core biopsies with a liver phantom (n =40) and Thiel soft-embalmed human cadavers (n = 24) in a clinical 1.5T MRI scanner. Results The iMRI-UI components and setup were tested and found conditionally MRI-safe to use according to current ASTM standards. Despite minor temporary touch screen interference at a close distance to the bore (>20 cm), no other issues regarding quality or imaging artefacts were observed. The 3D root-mean-square distance error was 2.8± 1.0 (phantom)/2.9±0.8 mm (cadaver), and overall procedure times ranged between 12 and 22 (phantom)/20 and 55 min (cadaver). Conclusion The wireless iMRI-UI control setup enabled fast and accurate interventional biopsy needle placements along complex trajectories and improved the workflow for percutaneous interventions under MRI guidance in a preclinical trial. © 2014 CARS.
    Original languageEnglish
    Pages (from-to)665-676
    Number of pages12
    JournalInternational Journal of Computer Assisted Radiology and Surgery
    Volume10
    Issue number5
    Early online date2 Sep 2014
    DOIs
    Publication statusPublished - 1 May 2015

    Fingerprint

    Interventional Magnetic Resonance Imaging
    Wireless Technology
    Workflow
    Magnetic resonance
    User interfaces
    Imaging techniques
    Cadaver
    Magnetic resonance imaging
    Biopsy
    Handheld Computers
    Equipment and Supplies
    Needle Biopsy
    Touch screens
    Image acquisition
    Diptera
    Artifacts
    Liver
    Needles
    Display devices
    Trajectories

    Cite this

    @article{40941d22df644f8dba3191b7224eaee5,
    title = "Wireless mobile technology to improve workflow and feasibility of MR-guided percutaneous interventions",
    abstract = "Purpose A wireless interactive display and control device combined with a platform-independent web-based user interface (UI) was developed to improve the workflow for interventional magnetic resonance imaging (iMRI). Methods The iMRI-UI enables image acquisition of up to three independent slices using various pulse sequences with different contrast weighting. Pulse sequence, scan geometry and related parameters can be changed on the fly via the iMRI-UI using a tablet computer for improved lesion detection and interventional device targeting. The iMRI-UI was validated for core biopsies with a liver phantom (n =40) and Thiel soft-embalmed human cadavers (n = 24) in a clinical 1.5T MRI scanner. Results The iMRI-UI components and setup were tested and found conditionally MRI-safe to use according to current ASTM standards. Despite minor temporary touch screen interference at a close distance to the bore (>20 cm), no other issues regarding quality or imaging artefacts were observed. The 3D root-mean-square distance error was 2.8± 1.0 (phantom)/2.9±0.8 mm (cadaver), and overall procedure times ranged between 12 and 22 (phantom)/20 and 55 min (cadaver). Conclusion The wireless iMRI-UI control setup enabled fast and accurate interventional biopsy needle placements along complex trajectories and improved the workflow for percutaneous interventions under MRI guidance in a preclinical trial. {\circledC} 2014 CARS.",
    author = "Rube, {Martin A.} and Holbrook, {Andrew B.} and Cox, {Benjamin F.} and Razvan Buciuc and Andreas Melzer",
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    Wireless mobile technology to improve workflow and feasibility of MR-guided percutaneous interventions. / Rube, Martin A. (Lead / Corresponding author); Holbrook, Andrew B.; Cox, Benjamin F.; Buciuc, Razvan; Melzer, Andreas.

    In: International Journal of Computer Assisted Radiology and Surgery, Vol. 10, No. 5, 01.05.2015, p. 665-676.

    Research output: Contribution to journalArticle

    TY - JOUR

    T1 - Wireless mobile technology to improve workflow and feasibility of MR-guided percutaneous interventions

    AU - Rube, Martin A.

    AU - Holbrook, Andrew B.

    AU - Cox, Benjamin F.

    AU - Buciuc, Razvan

    AU - Melzer, Andreas

    PY - 2015/5/1

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    N2 - Purpose A wireless interactive display and control device combined with a platform-independent web-based user interface (UI) was developed to improve the workflow for interventional magnetic resonance imaging (iMRI). Methods The iMRI-UI enables image acquisition of up to three independent slices using various pulse sequences with different contrast weighting. Pulse sequence, scan geometry and related parameters can be changed on the fly via the iMRI-UI using a tablet computer for improved lesion detection and interventional device targeting. The iMRI-UI was validated for core biopsies with a liver phantom (n =40) and Thiel soft-embalmed human cadavers (n = 24) in a clinical 1.5T MRI scanner. Results The iMRI-UI components and setup were tested and found conditionally MRI-safe to use according to current ASTM standards. Despite minor temporary touch screen interference at a close distance to the bore (>20 cm), no other issues regarding quality or imaging artefacts were observed. The 3D root-mean-square distance error was 2.8± 1.0 (phantom)/2.9±0.8 mm (cadaver), and overall procedure times ranged between 12 and 22 (phantom)/20 and 55 min (cadaver). Conclusion The wireless iMRI-UI control setup enabled fast and accurate interventional biopsy needle placements along complex trajectories and improved the workflow for percutaneous interventions under MRI guidance in a preclinical trial. © 2014 CARS.

    AB - Purpose A wireless interactive display and control device combined with a platform-independent web-based user interface (UI) was developed to improve the workflow for interventional magnetic resonance imaging (iMRI). Methods The iMRI-UI enables image acquisition of up to three independent slices using various pulse sequences with different contrast weighting. Pulse sequence, scan geometry and related parameters can be changed on the fly via the iMRI-UI using a tablet computer for improved lesion detection and interventional device targeting. The iMRI-UI was validated for core biopsies with a liver phantom (n =40) and Thiel soft-embalmed human cadavers (n = 24) in a clinical 1.5T MRI scanner. Results The iMRI-UI components and setup were tested and found conditionally MRI-safe to use according to current ASTM standards. Despite minor temporary touch screen interference at a close distance to the bore (>20 cm), no other issues regarding quality or imaging artefacts were observed. The 3D root-mean-square distance error was 2.8± 1.0 (phantom)/2.9±0.8 mm (cadaver), and overall procedure times ranged between 12 and 22 (phantom)/20 and 55 min (cadaver). Conclusion The wireless iMRI-UI control setup enabled fast and accurate interventional biopsy needle placements along complex trajectories and improved the workflow for percutaneous interventions under MRI guidance in a preclinical trial. © 2014 CARS.

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