Journal
STEREOTACTIC AND FUNCTIONAL NEUROSURGERY
Volume 93, Issue 6, Pages 419-426Publisher
KARGER
DOI: 10.1159/000442425
Keywords
Deep brain stimulation; Parkinson's disease; Image-guided neurosurgery; Intraoperative magnetic resonance imaging; Subthalamic nucleus
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Background: Deep brain stimulation (DBS) for Parkinson's disease (PD) has traditionally been performed in awake patients. Some patients are unable to tolerate awake surgery or extensive time off their medication to allow for neurophysiological testing during traditional DBS implantation, which has previously limited surgical options for these patients. Recently, asleep image-guided lead placement using intraoperative MRI or CT for verification has been proposed as an alternative for patients unable or unwilling to undergo awake DBS surgery. Methods: We conducted a retrospective chart review comparing PD patients who underwent asleep MRI-guided subthalamic nucleus (STN) DBS lead placement (n = 14) and awake neurophysiologically guided STN DBS lead placement (n = 23) at our institution. Both groups' levodopa equivalent daily doses (LEDDs) and complications at approximately 6 months of follow-up were compared, along with operative times. Results: Both groups showed statistically similar reductions in LEDD at 6 months of therapy (38.27% for awake, 49.27% for asleep; p = 0.4447), and similar complications. Operative times were initially longer for MRIguided DBS but improved with surgical experience. Conclusion: Asleep MRI- guided DBS is a viable option for PD patients unable or unwilling to undergo awake placement, with similar results in terms of LEDD reduction and complications. (C) 2016 S. Karger AG, Basel
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