Neuravive, MR guided Focused Ultrasound (MRgFUS), is a new technique that is now available to neurosurgeons where ultrasound waves can be focused through the skull to target the Vim of the thalamus, a very specific location deep within the brain, without the need for incisions or holes in the skull. This is the same target used for years with other more invasive surgery, but now can be reached without incisions or anesthesia. Thus, it is much less invasive than conventional surgery.
MR guided Focused Ultrasound (MRgFUS) is a treatment that combines two technologies – High intensity focused ultrasound that is guided by Magnetic Resonance Imaging.
The high intensity focused ultrasound (FUS) generates heat at the focal point to create a tiny lesion in the targeted area of the brain.
The MRI system is the eyes of the treatment, enabling the physician to identify and target the treated area with high precision as well as monitor the temperature during treatment.
Risks associated with any thalamotomy, including Neuravive, include transient and/or permanent sensory numbness, imbalance, and/or gait disturbance. These events are generally transient and mild or moderate in severity. Other risks and adverse events associated with the treatment include brief sonication-related pain, brief sonication-related dizziness, nausea and potential for deep vein thrombosis associated with lengthy time on the treatment bed.
Neuravive may be a treatment option for patients with medication-refractory essential tremor who are at least 22 years old.
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