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Subthalamic nucleus stimulation is an effective therapy for alleviating parkinsonian tremor, rigidity and bradykinesia. Although microelectrode recording is said to be essential for accurate targeting, this often prolongs the operation and the multiple recording tracts required may increase the incidence of complications, particularly haemorrhage. We describe a technique for implantation of deep brain electrodes in the subthalamic nucleus using MRI/CT fusion for anatomical localisation followed by bipolar recording of focal field potentials via the implanted stimulating electrode for neurophysiological confirmation of the stimulation site. The technique is effective, safe and requires much less time, and can be used as an alternative method to microelectrode recording.

Type

Journal article

Journal

Stereotact Funct Neurosurg

Publication Date

2001

Volume

76

Pages

63 - 73

Keywords

Electric Stimulation Therapy, Humans, Magnetic Resonance Imaging, Microelectrodes, Parkinson Disease, Stereotaxic Techniques, Subthalamic Nucleus, Tomography, X-Ray Computed