The investigators are providing MRI in patients with non-MRI approved CIED's (Cardiac Implanted Electronic Devices)
At Saint Luke's Hospital, despite growing evidence to the contrary, there is extremely limited data and experience with performing MRIs on patient with abandoned and epicardial leads in patients with non-approved ICDs and PMs. There is a limited mechanism to discuss this issue with the patient, screen the patient and assess their device beforehand, monitor them during the MRI examination, keep track of pulse sequences used, assess their devices after (and if necessary, resume prior programming before any changes), and to maintain that experience. The objective of this study is to create a protocol for an MRI at the commonly used magnetic strength of 1.5 T in patients that do not have conditional pacemakers and/or defibrillators and have abandoned or epicardial leads and maintain a registry of participants, devices involved, MRI examinations and pulse sequences used, and to keep records of any follow up events.
Study Type
OBSERVATIONAL
Enrollment
532
Cardiac Rhythm Management
Change in Device Function
Change in lead impedance or sensing
Time frame: 3 years
Change in Thresholds of Pacing Lead
Measured in mA
Time frame: 3 years
Dysrhythmias Noted During Scan
Change in heart rhythm
Time frame: 3 years
Oxygen Saturation
Percentage of change or no change
Time frame: 3 years
Change in heart rate
Measured as beats per minute on single-lead heart monitor.
Time frame: 3 years
Patient Comments
Real-time patient report via intercom during scan of chest symptoms such as burning or aching
Time frame: 3 years
Interference Between the Implanted Cardiac Electronic Device and MRI
Measure any change in device battery voltage
Time frame: 3 years
Change in blood pressure
Monitored with automatic blood pressure cuff
Time frame: 3 years
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