Targeting for thalamic deep brain stimulator implantation without computer guidance: assessment of targeting accuracy |
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Authors: | Alterman R L Reiter G T Shils J Skolnick B Arle J E Lesutis M Simuni T Colcher A Stern M Hurtig H |
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Affiliation: | Institute for Neurology and Neurosurgery, Beth Israel Medical Center, New York, NY 10128, USA. ralterma@bethisraelny.org |
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Abstract: | The authors assess the accuracy of targeting nucleus ventralis intermedius (Vim) with fast spin echo inversion recovery (FSE/IR) magnetic resonance imaging (MRI) in 18 successful deep brain stimulator (DBS) implants for medically refractory tremor. FSE/IR-MRI-derived coordinates are compared to the final coordinates employed for DBS lead placement, selected with intraoperative neurophysiology. The authors conclude that FSE/IR MRI is sufficiently reliable to serve as the sole means of anatomically targeting Vim for DBS lead placement. An independent computer workstation is not required for accurate targeting; however, intraoperative neurophysiology remains essential. |
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