Arrhythmias & electrophysiology
Safety of magnetic resonance imaging in patients with surgically implanted permanent epicardial leads
Authors' conclusion
MRI of CIEDs with epicardially implanted leads does not represent a greater risk than transvenous CIEDs when performed with a multidisciplinary collaborative protocol centered on patient safety.
Study context
- Population
- Patients with surgically implanted epicardial cardiac implantable electronic device (CIEDs) undergoing magnetic resonance imaging (MRI) under a cardiology-radiology collaborative protocol, 2008–202152 MRIs in epicardial group
- Exposure
- Epicardial CIED vs matched non-MRI-conditional transvenous CIED undergoing MRI
- Epicardial CIEDn = 29
- Outcome
- Safety and adverse effects of MRI
Methodological details2 clinical centres, matched comparison group
- 2 clinical centres
- Matched comparison group
Main finding
As reported in the abstract
Significant adverse events
Epicardial CIED
0
events
Transvenous CIED
0
events
Observational data: associations, not effects.
Further findings
Battery life, pacing, sensing thresholds, lead impedance, cardiac biomarkers
- Not significantly changed, except 1 patient with transient decrease in atrial lead sensing
Safety
Events
| Outcome | Epicardial CIED | Transvenous CIED |
|---|---|---|
| Significant adverse events | 0 | 0 |
Battery life, pacing, sensing thresholds, lead impedance, cardiac biomarkers
- Not significantly changed, except transient decrease in atrial lead sensing function (patients)
- 1
Original publication
Safety of magnetic resonance imaging in patients with surgically implanted permanent epicardial leads. Heart Rhythm. Published 17 April 2023. doi:10.
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