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Safety Frequently Asked Questions

Find answers to commonly asked questions about VNS Therapy

FAQ image
Frequently Asked Questions

VNS Therapy™ Safety FAQs

Can I have an MRI?

Before having any MRI performed — Call your doctor, so that your VNS Therapy™ System can be discussed with the MRI personnel.

In many cases an MRI can be performed safely under certain conditions. However, for a few other cases, surgery may be required to remove the VNS Therapy System prior to an MRI.

Before undergoing an MRI scan, the VNS system diagnostic information will be collected and the current turned off. The current will be turned on again after the scan is completed. Your doctor has access to detailed MRI-related information in the physician’s manual.

What do I need to do before having an MRI?

Before having any MRI performed — Call your doctor, so that your VNS Therapy™ System can be discussed with the MRI personnel.

Can I go through the airport security systems?

Metal detectors should not affect the generator or be affected by it. As a precaution, however, move through them at a steady pace; do not linger in the area and stay at least 40 centimeters (16 inches) away from such equipment.

Does VNS Therapy™ interfere with other devices?

The generator can interfere with devices that operate in the 30 kHz to 100 kHz range. Hearing aids and transistor radios operate in this range. In theory, the generator could affect them, but no effects have yet been reported. No detailed testing has been done, so the effects are unknown.

The generator may affect other implanted medical devices, such as cardiac pacemakers and implantable defibrillators. Possible effects include sensing problems. These could lead to inappropriate responses from the generator.

If you're struggling with depression that is difficult to treat, get well and stay well with VNS Therapy™ 

Speak to your psychiatrist about VNS Therapy™