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024 7 _ |a 10.1016/j.brs.2018.03.009
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100 1 _ |a Dafsari, Haidar Salimi
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245 _ _ |a Non-motor outcomes of subthalamic stimulation in Parkinson's disease depend on location of active contacts
260 _ _ |a New York, NY [u.a.]
|c 2018
|b Elsevier
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520 _ _ |a BackgroundSubthalamic nucleus (STN) deep brain stimulation (DBS) improves quality of life (QoL), motor, and non-motor symptoms (NMS) in Parkinson's disease (PD). Few studies have investigated the influence of the location of neurostimulation on NMS.ObjectiveTo investigate the impact of active contact location on NMS in STN-DBS in PD.MethodsIn this prospective, open-label, multicenter study including 50 PD patients undergoing bilateral STN-DBS, we collected NMSScale (NMSS), NMSQuestionnaire (NMSQ), Hospital Anxiety and Depression Scale (anxiety/depression, HADS-A/-D), PDQuestionnaire-8 (PDQ-8), Scales for Outcomes in PD-motor examination, motor complications, activities of daily living (ADL), and levodopa equivalent daily dose (LEDD) preoperatively and at 6 months follow-up. Changes were analyzed with Wilcoxon signed-rank/t-test and Bonferroni-correction for multiple comparisons. Although the STN was targeted visually, we employed an atlas-based approach to explore the relationship between active contact locations and DBS outcomes. Based on fused MRI/CT-images, we identified Cartesian coordinates of active contacts with patient-specific Mai-atlas standardization. We computed linear mixed-effects models with x-/y-/z-coordinates as independent, hemispheres as within-subject, and test change scores as dependent variables.ResultsNMSS, NMSQ, PDQ-8, motor examination, complications, and LEDD significantly improved at follow-up. Linear mixed-effect models showed that NMS and QoL improvement significantly depended on more medial (HADS-D, NMSS), anterior (HADS-D, NMSQ, PDQ-8), and ventral (HADS-A/-D, NMSS, PDQ-8) neurostimulation. ADL improved more in posterior, LEDD in lateral neurostimulation locations. No relationship was observed for motor examination and complications scores.ConclusionsOur study provides evidence that more anterior, medial, and ventral STN-DBS is significantly related to more beneficial non-motor outcomes.
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700 1 _ |a Petry-Schmelzer, Jan Niklas
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700 1 _ |a Ray-Chaudhuri, K.
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700 1 _ |a Ashkan, Keyoumars
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700 1 _ |a Weis, Luca
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700 1 _ |a Dembek, Till A.
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700 1 _ |a Samuel, Michael
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700 1 _ |a Rizos, Alexandra
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700 1 _ |a Silverdale, Monty
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700 1 _ |a Barbe, Michael T.
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700 1 _ |a Fink, Gereon R.
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700 1 _ |a Evans, Julian
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700 1 _ |a Martinez-Martin, Pablo
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700 1 _ |a Antonini, Angelo
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700 1 _ |a Visser-Vandewalle, Veerle
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700 1 _ |a Timmermann, Lars
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773 _ _ |a 10.1016/j.brs.2018.03.009
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