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Published on: May 24, 2021
Cardiovascular magnetic resonance with an MR compatible pacemaker
Anita R Bhandiwad1, Kristopher W Cummings, Michael Crowley
1Division of Cardiology, Department of Medicine, Washington University School of Medicine, 1020 N, Mason Road, Suite 100, Saint Louis, MO 63141, USA. abhandiw@dom.wustl.edu
Abstract:
Magnetic resonance imaging (MRI) within FDA guidelines for the MRI-conditional pacemaker precludes placing the heart at the center of the magnet's bore. This in effect appears to preclude cardiovascular MR. In this manuscript, we describe a protocol for cardiovascular MR of patients with a Revo pacemaker system while operating within FDA guidelines, and the first US case of cardiovascular MR in a patient with a Revo MRI-conditional pacing system despite position constraints.
Insights
Cardiovascular magnetic resonance (MR) imaging is now possible for patients with Revo MRI-conditional pacemakers. A new protocol allows safe scanning within FDA guidelines, overcoming previous positioning limitations.
Area of Science:
- Cardiovascular Imaging
- Medical Device Technology
- Radiology
Background:
- FDA guidelines for MRI-conditional pacemakers restrict device placement within the magnet's bore.
- This restriction has historically limited the feasibility of cardiovascular magnetic resonance (MR) imaging in patients with these devices.
- Cardiovascular MR offers detailed insights into heart structure and function.
Observation:
- A protocol was developed to enable cardiovascular MR in patients with a Revo pacemaker system.
- This protocol adheres to existing FDA guidelines for MRI-conditional devices.
- The study details the first US case of successful cardiovascular MR in a patient with a Revo MRI-conditional pacing system.
Findings:
- The developed protocol successfully facilitated cardiovascular MR imaging in a patient with a Revo MRI-conditional pacemaker.
- The procedure was performed within established FDA guidelines, despite the inherent positioning constraints.
- This demonstrates a viable method for obtaining cardiac MR data in this patient population.
Implications:
- This research expands the diagnostic capabilities of cardiovascular MR for patients with specific pacemaker systems.
- It provides a pathway for safer and more comprehensive cardiac assessments in pacemaker recipients.
- The findings may influence future guidelines and protocols for cardiovascular imaging in patients with implanted electronic devices.
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