Adverse events for the ExAblate Neuro are consistent with those reported for thalamotomy surgery, including numbness/tingling of the fingers, headache, imbalance/unsteadiness, loss of control of body movements (ataxia) or gait disturbance. Other side effects identified as possibly related to treatment with MR-guided focused ultrasound treatments include tissue damage in an area other than the treatment area, hemorrhage in the treated area requiring emergency treatment, skin burns with ulceration of the skin, skin retraction and scar formation and blood clots.
The ExAblate Neuro treatment is contraindicated for patients who cannot have MR imaging, including those who have a non-MRI compatible implanted metallic device, such as a cardiac pacemaker, those with allergies to MR contrast agents or those with body size limitations for MR.
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The treatment should also not be used in women who are pregnant, patients with advanced kidney disease or on dialysis, those with unstable heart conditions or severe hypertension, patients exhibiting any behavior consistent with ethanol or substance abuse or patients with a history of abnormal bleeding, hemorrhage and/or blood clotting disorders (coagulopathy). Patients currently taking anticoagulant drugs or drugs known to increase the risk of hemorrhage, patients with a history of cerebrovascular disease (strokes) or brain tumors and patients who are not able to tolerate the prolonged stationary position during treatment also should not have the procedure.
ExAblate Neuro is manufactured by InSightec in Dallas, Texas.
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