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This policy does not cover patients with Gastric Electrical stimulation devices such as the Enterra device which is known to be MR Unsafe. Note that these devices are not common and are typically used to treat Gastroparesis where patients will typically experience symptoms such as vomiting and nausea. If you are in doubt as to whether the patient has a gastric band or a gastric stimulation device then you must take further steps to confirm the specific device the patient has. The patient themselves or existing patient records and/or images may be able to assist you in confirming the type of the device a patient has. Similarly, devices for Gastero-oesophageal reflux disorder (GORD/GERD) such as the LINX device are also not covered by this policy. Device and model specific conditions must be reviewed. This policy covers considerations for 1.5T and 3T MRI in patients with gastric bands.
NHSL Policy: The NHSL Policy will be as per GGC Policy, which states: “ A patient implanted with a gastric band in Scotland may safely undergo 1.5T or 3T MRI. If the device was implanted elsewhere in the UK after 2012, then the patient may safely undergo 1.5T and 3T MRI. If the device was implanted outside of the locations and dates described above, then the make and model of the device must be established in order to determine the MRI safety status of the device. With regard to two gastric band devices of concern (Allergan/Endoart Medical Technologies, Easyband device and Cavu Medical’s, Attune device), implanted as part of clinical trials, see the additional information section here.”