The Effectiveness of the Stereotactic Burr Hole Technique for Deep Brain Stimulation

Neurologia Medico-chirurgica
Keisuke ToyodaYuzo Yamakawa

Abstract

Deep brain stimulation (DBS) is performed by burr hole surgery. In microelectrode recording by multi-channel parallel probe, because all microelectrodes do not always fit in the burr hole, additional drilling to enlarge the hole is occasionally required, which is time consuming and more invasive. We report a stereotactic burr hole technique to avoid additional drilling, and the efficacy of this novel technique compared with the conventional procedure. Ten patients (20 burr holes) that received DBS were retrospectively analyzed (5 in the conventional burr hole group and 5 in the stereotactic burr hole group). In the stereotactic burr hole technique, the combination of the instrument stop slide of a Leksell frame and the Midas Rex perforator with a 14-mm perforator bit was attached to the instrument carrier slide of the arc in order to trephine under stereoguidance. The efficacy of this technique was assessed by the number of additional drillings. Factors associated with additional drilling were investigated including the angle and skull thickness around the entry points. Four of the 10 burr holes required additional drilling in the conventional burr hole group, whereas no additional drilling was required in the stereotactic burr...Continue Reading

References

Apr 12, 2002·Movement Disorders : Official Journal of the Movement Disorder Society·Abdelhamid BenazzouzAlim-Louis Benabid
Jul 19, 2005·Journal of Neurology, Neurosurgery, and Psychiatry·D WinklerJ Meixensberger
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Jun 19, 2010·Neurosurgery·Pepijn van den MunckhofP Richard Schuurman
Apr 5, 2011·Journal of Neurosurgery·Timothy W VogelMatthew A Howard

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