Coronary artery stents, prosthetic cardiac valves, metal sternal sutures, mediastinal vascular clips, and epicardial pacing wires are not contraindications for MRI, in con- trast to pacemakers and implantable cardioverter-defi- brillators. Appropriate patient selection and precautions ensure MRI safety.
Where are epicardial pacemaker leads located?
Epicardial pacemaker leads must be affixed to the outer surface of the heart by direct application in the operating room. Because of the complex cardiac anatomy, lack of pediatric-specific devices, and variable surgeon training and experience, a range of surgical techniques have evolved [14].
How is temporary epicardial pacing done?
Patients with complete heart block are paced using the temporary wires for 10-14 days for their underlying rhythm to return before placing a permanent pacemaker. The temporary epicardial leads are removed just before the patient is discharged from the intensive care unit.
Are epicardial wires MRI safe?
Thus, patients with retained temporary epicardial pacing wires are considered able to safely undergo MRI procedures, and patients do not need to be routinely screened for the presence of such wires before scanning.
Are sternal wires MRI safe?
Cardiac MRI is safe with joint replacements, coronary stents, ASD/PFO closure devices, sternal wires and most prosthetic heart valves. Patients with a history of metallic implants / shrapnel / prior neurosurgical clip placement are all individually evaluated prior to MRI.
Can pacing wires be left in?
Temporary epicardial pacing wires, implemented in patients during heart transplantation, are routinely removed before discharge. However, in some cases, these wires may remain in situ and are often considered as a contraindication for cardiovascular magnetic resonance (CMR) imaging in the future.
What is temporary epicardial pacing?
Temporary pacing is undertaken to treat dysrhythmias and to improve hemodynamics in select patients with heart failure. Patients with complete heart block are paced using the temporary wires for 10-14 days for their underlying rhythm to return before placing a permanent pacemaker.
Which type of temporary pacing is sutured to the epicardial surface?
temporary pacing catheter or lead(s) to help control heart rhythm. Epicardial Lead(s): lead(s) attached to the hearts epicardial surface.
