2016
DOI: 10.1161/circimaging.116.005091
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A Magnetic Resonance Imaging–Conditional External Cardiac Defibrillator for Resuscitation Within the Magnetic Resonance Imaging Scanner Bore

Abstract: Background Subjects undergoing cardiac arrest within an MRI scanner are currently removed from the bore and then from the MRI suite, prior to delivery of CPR and defibrillation, potentially increasing risk of mortality. This precludes many higher-risk (acute-ischemic, acute-stroke) patients from undergoing MRI imaging and MRI-guided intervention. An MRI-conditional cardiac defibrillator should enable scanning with defibrillation pads attached and the generator ON, enabling application of defibrillation within … Show more

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Cited by 20 publications
(21 citation statements)
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“…A further consideration is the relatively high risk of arrhythmias in this patient group. There is currently no commercial MR-conditional defibrillator solution that has been released, although there is ongoing work to develop the capabilities 130 . Therefore, robust protocols and training must be in place for evacuation of the patient to a safe zone for medical resuscitation if required.…”
Section: Anaesthesia and Monitoringmentioning
confidence: 99%
“…A further consideration is the relatively high risk of arrhythmias in this patient group. There is currently no commercial MR-conditional defibrillator solution that has been released, although there is ongoing work to develop the capabilities 130 . Therefore, robust protocols and training must be in place for evacuation of the patient to a safe zone for medical resuscitation if required.…”
Section: Anaesthesia and Monitoringmentioning
confidence: 99%
“…In this context, a recent report has described a prototype MR-conditional defibrillation system to successfully defibrillate swine inside and outside a scanner bore. 78 Electrical cardioversion during a procedure will inevitably result in patient movement and subsequent changes in the position of the heart relative to reconstructed anatomical shells. As is the case with EAM systems, repeated real-time MR confirmation scans may be necessary to update anatomical shells and maintain accurate registration.…”
Section: Real-time Magnetic Resonance-guided Electrophysiology and Abmentioning
confidence: 99%
“…10 Mazal et al describes the evacuation roles and reports evacuation times of less than 1 minute. 39 In-bore defibrillators 99 and temporary pacemakers are also under development to address these contingencies.…”
Section: Integration With Clinical Workflowmentioning
confidence: 99%