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Cardiac Magnetic Resonance Imaging at 7 Tesla
Published on: January 6, 2019
Simplifying MRI workflow for patients with cardiac implantable electronic devices: Technologies for automatic MRI
Matteo Baroni1, Marco Carbonaro1, Marco Maria Jacopo Felisi1
1Electrophysiology Unit, De Gasperis Cardio Center, Niguarda Hospital, Milan, Italy.
Background And Objective:
Magnetic resonance imaging (MRI) in patients with cardiac implantable electronic devices (CIEDs) is increasingly safe, but workflows requiring pre- and post-scan interrogations are resource-intensive. We aimed to describe MRI mode-switching technologies and assess their impact on workflow efficiency using institutional data.
Methods:
We reviewed CIED MRI mode-switching technologies, analyzed all CIED-MRI scans at our center (2017-2024), and modeled workload reductions with broader automation.
Results:
We identified three technology classes-manual programming, automatic MRI detection within a time-limited window (e.g., AutoMRI, MRI AutoDetect), and always-on 24/7 detection (MRI Guard 24/7)-with stepwise reductions in required interrogations. Among 132,166 scans, 414 (0.3 %) involved CIEDs in our experience: 345 manual, 66 automatic window, and 3 24/7 detection. The total number of scan-related device checks was 756, and automation avoided 72 checks (8.7 %). Scenario modeling assuming 50 % automatic window and 10 % 24/7 adoption predicted ∼25-30 % fewer checks, potentially easing staffing and scheduling constraints.
Conclusions:
Automatic MRI mode-switching has the potential to streamline workflows and improve access for CIED patients without compromising safety. Wider adoption, particularly when integrated with remote monitoring, may further enhance efficiency and patient-care outcomes.
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