CAUTION: MED-EL must be consulted prior to conducting a 0.2T MRI examination on any
patient with a PULSARCI
100
or SONATATI
100
Implant.
Do not, under any circumstances, scan a PULSARCI
100
or SONATATI
100
patient with field
strengths greater than 0.2T.
When scanning at 0.2T, confirm that the patient is positioned so that the magnetic field of
the internal magnet is in the same orientation as the magnetic field of the scanner. This is
necessary to minimize torque on the internal magnet and induced voltage in the receiver.
Straight orientation of the head is acceptable for bilaterally implanted patients.
Please note that there exist many types of 0.2T MRI scanners. In some, the head coil used
for head imaging is attached to the MRI bed. Further counseling and recommendations
will be provided to the cochlear implant professional and radiologist in the event of head
imaging.
MED-EL has prepared a MRI Examination Request Form containing precise information on
device parameters (magnetic field strengths) and guidelines for a MRI examination under safe
conditions. The MRI Examination Request Form must be completed by the requesting physician
in cooperation with the applicable radiology department and reviewed and approved by MED-
EL prior to performing the MRI examination for safety reasons and to avoid loss of warranty
coverage. External equipment should not enter or be in close proximity to the MRI machine.
The effects of a number of treatments are unknown, e.g. radioactive radiation (cobalt, linear
accelerator) or electrical examinations in the dental area. Please contact your clinic.
Infections in the implanted ear must be treated promptly by a physician who will prescribe
antibiotics as necessary. Prophylactic use of antibiotics is recommended for all patients unless
medically contraindicated. The surgeon should prescribe adequate dosing for each patient’s
condition. Please inform your CI center of such infections.
Cochlear implant users should not use these devices.
Bacterial meningitis is rare but has the potential to be serious. The risk of contracting meningitis
after your CI surgery can be reduced by the meningitis vaccine, by using antibiotics before and
after CI surgery and by using the surgical technique recommended by MED-EL. As with all
cochlear implant surgery, preventative antibiotic usage is recommended for all patients unless
medically contraindicated. Talk to your surgeon about this. Your surgeon should prescribe
adequate antibiotic dosing for you or your child and should check your or your child’s
immunization status before your implant surgery.