MR-guided, focused ultrasound: applications to essential tremor and other neurologic conditions.
نویسندگان
چکیده
منابع مشابه
MR-guided focused ultrasound thalamotomy for essential tremor: a proof-of-concept study.
BACKGROUND Essential tremor is the most common movement disorder and is often refractory to medical treatment. Surgical therapies, using lesioning and deep brain stimulation in the thalamus, have been used to treat essential tremor that is disabling and resistant to medication. Although often effective, these treatments have risks associated with an open neurosurgical procedure. MR-guided focus...
متن کاملMR guided focused ultrasound as a treatment tool for essential and Parkinsonian tremor
Background/introduction Combining focused ultrasound (FUS) with real time MRI guidance and monitoring enables a new non-invasive treatment of brain disorders. In this technique multisource ultrasound waves are focused at a single point raising the temperature gradually until ablation occurs. Lesions as small as 2-4 mm can be made, without impact on surrounding tissue or remote brain tissue. Our...
متن کاملEssential tremor
Methods Seventy-two patients with severe, medication-refractory essential tremor have been enrolled across seven international centers. Standard assessments of tremor severity and disability will be obtained before and after the procedure. Patients are randomized in a one-to-three fashion to receive either sham procedure or MR-guided focused ultrasound thalamotomy. The Tremor Research Group, ne...
متن کاملAcoustic characterization of a neonate skull using a clinical MR-guided high intensity focused ultrasound system for pediatric neurological disorder treatment planning
Background/introduction Transcranial MR-guided Focused Ultrasound (TcMRgFUS) treatments are now clinically performed on adult patients for brain tumor or essential tremor therapies. However, no application has been proposed for children despite their thinner skull being less of an acoustic barrier and the presence of a fontanelle on neonates, which could constitute a natural acoustic window for...
متن کاملImaging findings in MR imaging-guided focused ultrasound treatment for patients with essential tremor.
BACKGROUND AND PURPOSE MR imaging-guided focused sonography surgery is a new stereotactic technique that uses high-intensity focused sonography to heat and ablate tissue. The goal of this study was to describe MR imaging findings pre- and post-ventralis intermedius nucleus lesioning by MR imaging-guided focused sonography as a treatment for essential tremor and to determine whether there was an...
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ورودعنوان ژورنال:
- AJNR. American journal of neuroradiology
دوره 35 5 شماره
صفحات -
تاریخ انتشار 2014