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  • Title: Microelectrode recording for pallidotomy: mandatory, beneficial or dangerous?
    Author: Honey CR, Berk C, Palur RS, Schulzer M.
    Journal: Stereotact Funct Neurosurg; 2001; 77(1-4):98-100. PubMed ID: 12378064.
    Abstract:
    There is an active debate regarding whether pallidotomy should be performed with microelectrode recording or macroelectrode stimulation. A meta-analysis was performed on the published reports (1992-2000) of unilateral pallidotomy for Parkinson's disease to determine if the outcome or complications of this procedure significantly differed between these two techniques. Papers were excluded if they followed a cohort of less than ten patients, had follow-up less than three months, or included previously reported patients. There were no significant differences between the two techniques in improvement of dyskinesia (p = 0.66) or UPDRS motor score (p = 0.62). Microelectrode recording had a significantly higher (p = 0.012) intracerebral hemorrhage rate (1.3 +/- 0.4%) compared to macroelectrode stimulation (0.2 +/- 0.2%).
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