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Soh C, Hervault M, Chalkley NH, Moore CM, Rohl A, Zhang Q, Uc EY, Greenlee JDW, Wessel JR. The human subthalamic nucleus transiently inhibits active attentional processes. Brain 2024; 147:3204-3215. [PMID: 38436939 PMCID: PMC11370801 DOI: 10.1093/brain/awae068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/29/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024] Open
Abstract
The subthalamic nucleus (STN) of the basal ganglia is key to the inhibitory control of movement. Consequently, it is a primary target for the neurosurgical treatment of movement disorders like Parkinson's disease, where modulating the STN via deep brain stimulation (DBS) can release excess inhibition of thalamocortical motor circuits. However, the STN is also anatomically connected to other thalamocortical circuits, including those underlying cognitive processes like attention. Notably, STN-DBS can also affect these processes. This suggests that the STN may also contribute to the inhibition of non-motor activity and that STN-DBS may cause changes to this inhibition. Here we tested this hypothesis in humans. We used a novel, wireless outpatient method to record intracranial local field potentials (LFP) from STN DBS implants during a visual attention task (Experiment 1, n = 12). These outpatient measurements allowed the simultaneous recording of high-density EEG, which we used to derive the steady state visual evoked potential (SSVEP), a well established neural index of visual attentional engagement. By relating STN activity to this neural marker of attention (instead of overt behaviour), we avoided possible confounds resulting from STN's motor role. We aimed to test whether the STN contributes to the momentary inhibition of the SSVEP caused by unexpected, distracting sounds. Furthermore, we causally tested this association in a second experiment, where we modulated STN via DBS across two sessions of the task, spaced at least 1 week apart (n = 21, no sample overlap with Experiment 1). The LFP recordings in Experiment 1 showed that reductions of the SSVEP after distracting sounds were preceded by sound-related γ-frequency (>60 Hz) activity in the STN. Trial-to-trial modelling further showed that this STN activity statistically mediated the sounds' suppressive effect on the SSVEP. In Experiment 2, modulating STN activity via DBS significantly reduced these sound-related SSVEP reductions. This provides causal evidence for the role of the STN in the surprise-related inhibition of attention. These findings suggest that the human STN contributes to the inhibition of attention, a non-motor process. This supports a domain-general view of the inhibitory role of the STN. Furthermore, these findings also suggest a potential mechanism underlying some of the known cognitive side effects of STN-DBS treatment, especially on attentional processes. Finally, our newly established outpatient LFP recording technique facilitates the testing of the role of subcortical nuclei in complex cognitive tasks, alongside recordings from the rest of the brain, and in much shorter time than peri-surgical recordings.
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Affiliation(s)
- Cheol Soh
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA
- Cognitive Control Collaborative, University of Iowa, Iowa City, IA 52242, USA
| | - Mario Hervault
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA
- Cognitive Control Collaborative, University of Iowa, Iowa City, IA 52242, USA
| | - Nathan H Chalkley
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA
- Cognitive Control Collaborative, University of Iowa, Iowa City, IA 52242, USA
- Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
| | - Cathleen M Moore
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA
| | - Andrea Rohl
- Department of Neurosurgery, University of Iowa, Iowa City, IA 52242, USA
| | - Qiang Zhang
- Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
| | - Ergun Y Uc
- Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
- Neurology Service, Iowa City VA Medical Center, Iowa City, IA 52246, USA
| | | | - Jan R Wessel
- Department of Psychological and Brain Sciences, University of Iowa, Iowa City, IA 52242, USA
- Cognitive Control Collaborative, University of Iowa, Iowa City, IA 52242, USA
- Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
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Donlon E, Abdullah S, Ronan F, Garvey M, Austin N, Reynolds E, Ruggieri F, Lynch T, Fearon C, Moran C, Pereira EA, Walsh RA. Early outcomes support use of a remote cross-border surgical centre for deep brain stimulation in Parkinson's disease. J Neurol 2024; 271:6377-6381. [PMID: 39030457 DOI: 10.1007/s00415-024-12572-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 07/04/2024] [Accepted: 07/07/2024] [Indexed: 07/21/2024]
Affiliation(s)
- Eoghan Donlon
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland.
- Academic Unit of Neurology, School of Medicine, Trinity College Dublin, Dublin, Ireland.
| | - Shaharyar Abdullah
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Fiona Ronan
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
- Academic Unit of Neurology, School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Maggie Garvey
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Neil Austin
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Elaine Reynolds
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Federica Ruggieri
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
| | - Tim Lynch
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
- School of Medicine, University College Dublin, Dublin, Ireland
| | - Conor Fearon
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
- Academic Unit of Neurology, School of Medicine, Trinity College Dublin, Dublin, Ireland
| | - Catherine Moran
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
- National Neurosurgical Centre, Beaumont Hospital, Dublin, Ireland
| | - Erlick A Pereira
- Neurosciences Institute, St George's, University of London, London, UK
- The London Clinic, 116 Harley Street, London, UK
| | - Richard A Walsh
- Dublin Neurological Institute, Mater Misericordiae University Hospital, Dublin, Ireland
- Academic Unit of Neurology, School of Medicine, Trinity College Dublin, Dublin, Ireland
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Mana J, Bezdicek O, Růžička F, Lasica A, Šmídová A, Klempířová O, Nikolai T, Uhrová T, Růžička E, Urgošík D, Jech R. Preoperative cognitive profile predictive of cognitive decline after subthalamic deep brain stimulation in Parkinson's disease. Eur J Neurosci 2024. [PMID: 39212074 DOI: 10.1111/ejn.16521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 08/07/2024] [Accepted: 08/15/2024] [Indexed: 09/04/2024]
Abstract
Cognitive decline represents a severe non-motor symptom of Parkinson's disease (PD) that can significantly reduce the benefits of subthalamic deep brain stimulation (STN DBS). Here, we aimed to describe post-surgery cognitive decline and identify pre-surgery cognitive profile associated with faster decline in STN DBS-treated PD patients. A retrospective observational study of 126 PD patients treated by STN DBS combined with oral dopaminergic therapy followed for 3.54 years on average (SD = 2.32) with repeated assessments of cognition was conducted. Pre-surgery cognitive profile was obtained via a comprehensive neuropsychological examination and data analysed using exploratory factor analysis and Bayesian generalized linear mixed models. On the whole, we observed a mild annual cognitive decline of 0.90 points from a total of 144 points in the Mattis Dementia Rating Scale (95% posterior probability interval [-1.19, -0.62]) with high inter-individual variability. However, true score changes did not reach previously reported reliable change cut-offs. Executive deficit was the only pre-surgery cognitive variable to reliably predict the rate of post-surgery cognitive decline. On the other hand, exploratory analysis of electrode localization did not yield any statistically clear results. Overall, our data and models imply mild gradual average annual post-surgery cognitive decline with high inter-individual variability in STN DBS-treated PD patients. Nonetheless, patients with worse long-term cognitive prognosis can be reliably identified via pre-surgery examination of executive functions. To further increase the utility of our results, we demonstrate how our models can help with disentangling true score changes from measurement error in future studies of post-surgery cognitive changes.
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Affiliation(s)
- Josef Mana
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Ondrej Bezdicek
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Filip Růžička
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Andrej Lasica
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Anna Šmídová
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Olga Klempířová
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Tomáš Nikolai
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Tereza Uhrová
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Evžen Růžička
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
| | - Dušan Urgošík
- Department of Stereotactic and Radiation Neurosurgery, Na Homolce Hospital, Prague, Czech Republic
| | - Robert Jech
- Department of Neurology and Centre of Clinical Neuroscience, First Faculty of Medicine and General University Hospital in Prague, Charles University, Prague, Czech Republic
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Busteed L, García-Sánchez C, Pascual-Sedano B, Grunden N, Gironell A, Kulisevsky J, Pagonabarraga J. Impact of Stimulation Frequency on Verbal Fluency Following Bilateral Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease. Arch Clin Neuropsychol 2024:acae062. [PMID: 39127889 DOI: 10.1093/arclin/acae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 07/14/2024] [Accepted: 07/25/2024] [Indexed: 08/12/2024] Open
Abstract
OBJECTIVE The effects of stimulation frequency on verbal fluency (VF) following subthalamic nucleus deep brain stimulation (STN-DBS) in Parkinson's disease (PD) are not well understood. The present study examines the impact stimulation frequency has on VF following bilateral STN-DBS in PD. METHODS Prospective study of 38 consecutive patients with PD with low frequency STN-DBS (LFS) (n = 10) and high frequency STN-DBS (HFS) (n = 14), and a non-operated PD control group consisting of patients with fluctuating response to dopaminergic medication (n = 14) homogeneous in age, education, disease duration, and global cognitive function. Patients were evaluated on VF tasks (letter, semantic, action verbs, alternating). A one-way analysis of variance (ANOVA) was conducted to assess distinctions between groups. Pre- and post-surgical comparisons of fluencies were performed for operated groups. A mixed ANOVA was applied to the data to evaluate the interaction between treatment (HFS vs. LFS) and time (pre- vs. post-surgery). Strategy use (clustering and switching) was evaluated. RESULTS Semantic and letter fluency performance revealed significant differences between HFS and LFS groups. Pre- and post-surgical comparisons revealed HFS negatively affected letter, semantic, and action fluencies, but LFS had no effect on VF. No interaction effect or main effect of treatment was found. Main effect of time was significant for semantic and action fluencies indicating a decrease in postoperative fluency performance. Patients with LFS produced larger average cluster sizes than patients with HFS. CONCLUSION LFS may be less detrimental to VF, but these findings suggest that VF decline following STN-DBS is not caused by stimulation frequency alone.
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Affiliation(s)
- Laura Busteed
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Neuropsychology Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
| | - Carmen García-Sánchez
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Neuropsychology Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - Berta Pascual-Sedano
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
| | - Nicholas Grunden
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Neuropsychology Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Department of Psychology at Concordia University and Centre for Research on Brain, Language & Music in Montreal, Montreal, Canada
| | - Alexandre Gironell
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - Jaime Kulisevsky
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
- Faculty of Health Sciences, Universitat Oberta de Catalunya (UOC), Barcelona, Spain
| | - Javier Pagonabarraga
- Department of Medicine, Universidad Autónoma de Barcelona (UAB), Barcelona, Spain
- Movement Disorders Unit, Neurology Department, Santa Creu i Sant Pau Hospital, Barcelona, Spain
- Sant Pau Biomedical Research Institute (IIB Sant Pau), Barcelona, Spain
- Center for Networked Biomedical Research in Neurodegenerative Diseases (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
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Tröster AI. Developments in the prediction of cognitive changes following deep brain stimulation in persons with Parkinson's disease. Expert Rev Neurother 2024; 24:643-659. [PMID: 38814926 DOI: 10.1080/14737175.2024.2360121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 05/22/2024] [Indexed: 06/01/2024]
Abstract
INTRODUCTION Deep brain stimulation (DBS) is an effective treatment for Parkinson's disease (PD) motor symptoms that improves function and quality of life in appropriately selected patients. Because mild to moderate cognitive declines can follow DBS and impact quality of life in a minority of patients, an important consideration involves the cognitive deficit and its prediction. AREAS COVERED The author briefly summarizes cognitive outcomes from DBS and reviews in more detail the risks/predictors of post-DBS cognitive dysfunction by mainly focusing on work published between 2018 and 2024 and using comprehensive neuropsychological (NP) evaluations. Most publications concern bilateral subthalamic nucleus (STN) DBS. Comment is offered on challenges and potential avenues forward. EXPERT OPINION STN DBS is relatively safe cognitively but declines occur especially in verbal fluency and executive function/working memory. Numerous predictors and risk factors for cognitive outcomes have been identified (age and pre-operative neuropsychological status appear the most robust) but precise risk estimates cannot yet be confidently offered. Future studies should employ study center consortia, follow uniform reporting criteria (to be developed), capitalize on advances in stimulation, biomarkers, and artificial intelligence, and address DBS in diverse groups. Advances offer an avenue to investigate the amelioration of cognitive deficits in PD using neuromodulation.
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Affiliation(s)
- Alexander I Tröster
- Department of Clinical Neuropsychology and Center for Neuromodulation, Barrow Neurological Institute, Phoenix, Arizona, USA
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6
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Leavitt D, Alanazi FI, Al-Ozzi TM, Cohn M, Hodaie M, Kalia SK, Lozano AM, Milosevic L, Hutchison WD. Auditory oddball responses in the human subthalamic nucleus and substantia nigra pars reticulata. Neurobiol Dis 2024; 195:106490. [PMID: 38561111 DOI: 10.1016/j.nbd.2024.106490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/24/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024] Open
Abstract
The auditory oddball is a mainstay in research on attention, novelty, and sensory prediction. How this task engages subcortical structures like the subthalamic nucleus and substantia nigra pars reticulata is unclear. We administered an auditory OB task while recording single unit activity (35 units) and local field potentials (57 recordings) from the subthalamic nucleus and substantia nigra pars reticulata of 30 patients with Parkinson's disease undergoing deep brain stimulation surgery. We found tone modulated and oddball modulated units in both regions. Population activity differentiated oddball from standard trials from 200 ms to 1000 ms after the tone in both regions. In the substantia nigra, beta band activity in the local field potential was decreased following oddball tones. The oddball related activity we observe may underlie attention, sensory prediction, or surprise-induced motor suppression.
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Affiliation(s)
- Dallas Leavitt
- Institute of Biomedical Engineering, University of Toronto, Canada; University of Toronto - Max Planck Centre for Neural Science and Technology, University of Toronto, Canada; Krembil Brain Institute, University Health Network, Toronto, Canada
| | - Frhan I Alanazi
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Physiology, University of Toronto, Canada
| | - Tameem M Al-Ozzi
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Physiology, University of Toronto, Canada
| | - Melanie Cohn
- Krembil Brain Institute, University Health Network, Toronto, Canada
| | - Mojgan Hodaie
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Surgery, University of Toronto, Canada; Division of Neurosurgery, Toronto Western Hospital - University Health Network, Toronto, Canada
| | - Suneil K Kalia
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Surgery, University of Toronto, Canada; Division of Neurosurgery, Toronto Western Hospital - University Health Network, Toronto, Canada
| | - Andres M Lozano
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Surgery, University of Toronto, Canada; Division of Neurosurgery, Toronto Western Hospital - University Health Network, Toronto, Canada
| | - Luka Milosevic
- Institute of Biomedical Engineering, University of Toronto, Canada; University of Toronto - Max Planck Centre for Neural Science and Technology, University of Toronto, Canada; Krembil Brain Institute, University Health Network, Toronto, Canada; Center for Advancing Neurotechnological Innovation to Application (CRANIA), Toronto, Canada; KITE Research Institute, University Health Network, Toronto, Canada
| | - William D Hutchison
- Krembil Brain Institute, University Health Network, Toronto, Canada; Department of Physiology, University of Toronto, Canada; Department of Surgery, University of Toronto, Canada; Division of Neurosurgery, Toronto Western Hospital - University Health Network, Toronto, Canada.
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Del Bene VA, Martin RC, Brinkerhoff SA, Olson JW, Nelson MJ, Marotta D, Gonzalez CL, Mills KA, Kamath V, Cutter G, Hurt CP, Wade M, Robinson FG, Bentley JN, Guthrie BL, Knight RT, Walker HC. Differential Cognitive Effects of Unilateral Subthalamic Nucleus Deep Brain Stimulation for Parkinson's Disease. Ann Neurol 2024; 95:1205-1219. [PMID: 38501317 PMCID: PMC11102318 DOI: 10.1002/ana.26903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/20/2024]
Abstract
OBJECTIVE The aim of this study was to investigate the cognitive effects of unilateral directional versus ring subthalamic nucleus deep brain stimulation (STN DBS) in patients with advanced Parkinson's disease. METHODS We examined 31 participants who underwent unilateral STN DBS (left n = 17; right n = 14) as part of an National Institutes of Health (NIH)-sponsored randomized, double-blind, crossover study contrasting directional versus ring stimulation. All participants received unilateral DBS implants in the hemisphere more severely affected by motor parkinsonism. Measures of cognition included verbal fluency, auditory-verbal memory, and response inhibition. We used mixed linear models to contrast the effects of directional versus ring stimulation and implant hemisphere on longitudinal cognitive function. RESULTS Crossover analyses showed no evidence for group-level changes in cognitive performance related to directional versus ring stimulation. Implant hemisphere, however, impacted cognition in several ways. Left STN participants had lower baseline verbal fluency than patients with right implants (t [20.66 = -2.50, p = 0.02]). Verbal fluency declined after left (p = 0.013) but increased after right STN DBS (p < 0.001), and response inhibition was faster following right STN DBS (p = 0.031). Regardless of hemisphere, delayed recall declined modestly over time versus baseline (p = 0.001), and immediate recall was unchanged. INTERPRETATION Directional versus ring STN DBS did not differentially affect cognition. Similar to prior bilateral DBS studies, unilateral left stimulation worsened verbal fluency performance. In contrast, unilateral right STN surgery increased performance on verbal fluency and response inhibition tasks. Our findings raise the hypothesis that unilateral right STN DBS in selected patients with predominant right brain motor parkinsonism could mitigate declines in verbal fluency associated with the bilateral intervention. ANN NEUROL 2024;95:1205-1219.
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Affiliation(s)
- Victor A Del Bene
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
- The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Roy C. Martin
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
- The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Sarah A. Brinkerhoff
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Joseph W. Olson
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Matthew J. Nelson
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Dario Marotta
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Christopher L. Gonzalez
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Kelly A. Mills
- Department of Neurology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Vidyulata Kamath
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Gary Cutter
- School of Public Health, University of Alabama at Birmingham, Birmingham, AL
| | - Chris P. Hurt
- Department of Physical Therapy, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL
| | - Melissa Wade
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Frank G. Robinson
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - J. Nicole Bentley
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Barton L. Guthrie
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Robert T. Knight
- Department of Psychology, University of California, Berkeley, CA, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
| | - Harrison C. Walker
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
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Cai W, Young CB, Yuan R, Lee B, Ryman S, Kim J, Yang L, Levine TF, Henderson VW, Poston KL, Menon V. Subthalamic nucleus-language network connectivity predicts dopaminergic modulation of speech function in Parkinson's disease. Proc Natl Acad Sci U S A 2024; 121:e2316149121. [PMID: 38768342 PMCID: PMC11145286 DOI: 10.1073/pnas.2316149121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 04/15/2024] [Indexed: 05/22/2024] Open
Abstract
Speech impediments are a prominent yet understudied symptom of Parkinson's disease (PD). While the subthalamic nucleus (STN) is an established clinical target for treating motor symptoms, these interventions can lead to further worsening of speech. The interplay between dopaminergic medication, STN circuitry, and their downstream effects on speech in PD is not yet fully understood. Here, we investigate the effect of dopaminergic medication on STN circuitry and probe its association with speech and cognitive functions in PD patients. We found that changes in intrinsic functional connectivity of the STN were associated with alterations in speech functions in PD. Interestingly, this relationship was characterized by altered functional connectivity of the dorsolateral and ventromedial subdivisions of the STN with the language network. Crucially, medication-induced changes in functional connectivity between the STN's dorsolateral subdivision and key regions in the language network, including the left inferior frontal cortex and the left superior temporal gyrus, correlated with alterations on a standardized neuropsychological test requiring oral responses. This relation was not observed in the written version of the same test. Furthermore, changes in functional connectivity between STN and language regions predicted the medication's downstream effects on speech-related cognitive performance. These findings reveal a previously unidentified brain mechanism through which dopaminergic medication influences speech function in PD. Our study sheds light into the subcortical-cortical circuit mechanisms underlying impaired speech control in PD. The insights gained here could inform treatment strategies aimed at mitigating speech deficits in PD and enhancing the quality of life for affected individuals.
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Affiliation(s)
- Weidong Cai
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
| | - Christina B. Young
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Rui Yuan
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Byeongwook Lee
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Sephira Ryman
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Jeehyun Kim
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Laurice Yang
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Taylor F. Levine
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Victor W. Henderson
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
- Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA94305
| | - Kathleen L. Poston
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA94305
| | - Vinod Menon
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
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Almelegy A, Gunda S, Buyske S, Rosenbaum M, Sani S, Afshari M, Metman LV, Goetz CG, Hall D, Mouradian MM, Pal G. NIH Toolbox performance of persons with Parkinson's disease according to GBA1 and STN-DBS status. Ann Clin Transl Neurol 2024; 11:899-904. [PMID: 38337113 PMCID: PMC11021616 DOI: 10.1002/acn3.52005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/02/2024] [Accepted: 01/11/2024] [Indexed: 02/12/2024] Open
Abstract
OBJECTIVE Mutations in the glucocerebrosidase (GBA1) gene and subthalamic nucleus deep brain stimulation (STN-DBS) are independently associated with cognitive dysfunction in persons with Parkinson's disease (PwP). We hypothesized that PwP with both GBA1 mutations and STN-DBS are at greater risk of cognitive dysfunction than PwP with only GBA1 mutations or STN-DBS, or neither. In this study, we determined the pattern of cognitive dysfunction in PwP based on GBA1 mutation status and STN-DBS treatment. METHODS PwP who are GBA1 mutation carriers with or without DBS (GBA1+DBS+, GBA1+DBS-), and noncarriers with or without DBS (GBA1-DBS+, GBA1-DBS-) were included. Using the NIH Toolbox, cross-sectional differences in response inhibition, processing speed, and episodic memory were compared using analysis of variance with adjustment for relevant covariates. RESULTS Data were available for 9 GBA1+DBS+, 14 GBA1+DBS-, 17 GBA1-DBS+, and 26 GBA1-DBS- PwP. In this cross-sectional study, after adjusting for covariates, we found that performance on the Flanker test (measure of response inhibition) was lower in GBA1+DBS+ PwP compared with GBA1-DBS+ PwP (P = 0.030). INTERPRETATION PwP who carry GBA1 mutations and have STN-DBS have greater impaired response inhibition compared with PwP with STN-DBS but without GBA1 mutations. Longitudinal data, including preoperative scores, are required to definitively determine whether GBA1 mutation carriers respond differently to STN-DBS, particularly in the domain of response inhibition.
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Affiliation(s)
- Ahmad Almelegy
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
| | - Srujanesh Gunda
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
| | - Steven Buyske
- Department of StatisticsRutgers UniversityPiscatawayNew JerseyUSA
| | - Marc Rosenbaum
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Sepehr Sani
- Department of NeurosurgeryRush University Medical CenterChicagoIllinoisUSA
| | - Mitra Afshari
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Leo V. Metman
- Parkinson's Disease and Movement Disorders CenterNorthwestern University Feinberg School of MedicineChicagoIllinoisUSA
| | - Christopher G. Goetz
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - Deborah Hall
- Department of Neurological SciencesRush University Medical CenterChicagoIllinoisUSA
| | - M. Maral Mouradian
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
- Robert Wood Johnson Medical School Institute for Neurological Therapeutics, Rutgers Biomedical and Health SciencesPiscatawayNew JerseyUSA
| | - Gian Pal
- Department of NeurologyRutgers‐Robert Wood Johnson Medical SchoolNew BrunswickNew JerseyUSA
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Kumar G, Zhou Z, Wang Z, Kwan KM, Tin C, Ma CHE. Real-time field-programmable gate array-based closed-loop deep brain stimulation platform targeting cerebellar circuitry rescues motor deficits in a mouse model of cerebellar ataxia. CNS Neurosci Ther 2024; 30:e14638. [PMID: 38488445 PMCID: PMC10941591 DOI: 10.1111/cns.14638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 01/09/2024] [Accepted: 02/01/2024] [Indexed: 03/18/2024] Open
Abstract
AIMS The open-loop nature of conventional deep brain stimulation (DBS) produces continuous and excessive stimulation to patients which contributes largely to increased prevalence of adverse side effects. Cerebellar ataxia is characterized by abnormal Purkinje cells (PCs) dendritic arborization, loss of PCs and motor coordination, and muscle weakness with no effective treatment. We aim to develop a real-time field-programmable gate array (FPGA) prototype targeting the deep cerebellar nuclei (DCN) to close the loop for ataxia using conditional double knockout mice with deletion of PC-specific LIM homeobox (Lhx)1 and Lhx5, resulting in abnormal dendritic arborization and motor deficits. METHODS We implanted multielectrode array in the DCN and muscles of ataxia mice. The beneficial effect of open-loop DCN-DBS or closed-loop DCN-DBS was compared by motor behavioral assessments, electromyography (EMG), and neural activities (neurospike and electroencephalogram) in freely moving mice. FPGA board, which performed complex real-time computation, was used for closed-loop DCN-DBS system. RESULTS Closed-loop DCN-DBS was triggered only when symptomatic muscle EMG was detected in a real-time manner, which restored motor activities, electroencephalogram activities and neurospike properties completely in ataxia mice. Closed-loop DCN-DBS was more effective than an open-loop paradigm as it reduced the frequency of DBS. CONCLUSION Our real-time FPGA-based DCN-DBS system could be a potential clinical strategy for alleviating cerebellar ataxia and other movement disorders.
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Affiliation(s)
- Gajendra Kumar
- Department of NeuroscienceCity University of Hong KongHong KongHong Kong SAR
| | - Zhanhong Zhou
- Department of Biomedical EngineeringCity University of Hong KongHong KongHong Kong SAR
| | - Zhihua Wang
- Department of Biomedical EngineeringCity University of Hong KongHong KongHong Kong SAR
| | - Kin Ming Kwan
- School of Life Sciences, Center for Cell and Developmental Biology and State Key Laboratory of AgrobiotechnologyThe Chinese University of Hong KongHong KongHong Kong SAR
| | - Chung Tin
- Department of Biomedical EngineeringCity University of Hong KongHong KongHong Kong SAR
| | - Chi Him Eddie Ma
- Department of NeuroscienceCity University of Hong KongHong KongHong Kong SAR
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11
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Wang Z, Zheng Z, Huang J, Cai X, Liu X, Xue C, Yao L, Lu G. Neurocognitive changes at different follow-up times after bilateral subthalamic nucleus deep brain stimulation in patients with Parkinson's disease. Heliyon 2024; 10:e26303. [PMID: 38379975 PMCID: PMC10877422 DOI: 10.1016/j.heliyon.2024.e26303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/22/2024] Open
Abstract
Background Bilateral deep thalamic nucleus brain stimulation (STN-DBS) surgery is often used to treat the motor symptoms of patients with Parkinson's disease. The change of neurocognitive symptoms in patients is, however, still unclear. Objective We aimed at analyzing the deterioration of neurocognitive symptoms in patients with Parkinson's disease after deep brain stimulation surgery under different follow-up times. Methods A comprehensive literature review was conducted using Pubmed, Cochrane Library, and Web of Science to screen eligible study records, the meta-analysis was performed using an inverse variance method and a random-effects model. Additionally, the areas of analysis include five: cognition, executive function, memory capacity, and verbal fluency (phonetic fluency and semantic fluency). They were analyzed for changes at six and twelve months postoperatively compared to baseline. The Meta-analysis has been registered with PROSPERO under the registration number: CRD42022308786. Results In terms of overall cognitive performance, executive function, and memory capacity, the original studies show a trend of improvement in these areas at 12 months postoperatively compared with 6 months, at variance, patients did not improve or deteriorated in phonetic fluency(d = -0.42 at both 6-month and 12-month follow-up) and semantic fluency from 6 to 12 months postoperatively. Conclusion In terms of most neurocognitive symptoms, including cognitive ability, executive function, and learning memory capacity, bilateral STN-DBS surgery appears to be safe at relatively long follow-up times. However, postoperative phonetic and semantic fluency changes should still not be underestimated, and clinicians should pay more attention to patients' changes in both.
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Affiliation(s)
- Zhuohang Wang
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Zijian Zheng
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Junwen Huang
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Xu Cai
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Xinjie Liu
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Cheng Xue
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
| | - Longping Yao
- Institute for Anatomy and Cell Biology, Medical Faculty, Heidelberg University, 69120, Heidelberg, Germany
| | - Guohui Lu
- Department of Neurosurgery, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, China
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12
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Cano-Villagrasa A, López-Zamora M, Romero-Moreno L, Valles-González B. The Linguistic-Cognitive Profile in an Adult Population with Parkinson's Disease and Deep Brain Stimulation: A Comparative Study. Eur J Investig Health Psychol Educ 2024; 14:385-398. [PMID: 38391493 PMCID: PMC10888184 DOI: 10.3390/ejihpe14020026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/29/2024] [Accepted: 02/09/2024] [Indexed: 02/24/2024] Open
Abstract
Introduction. Individuals with Parkinson's disease (PD) exhibit general impairments, particularly non-motor symptoms that are related to language, communication, and cognition processes. People with this disease may undergo a surgical intervention for the placement of a deep brain stimulation device, which improves their motor symptoms. However, this type of intervention leads to a decline in their linguistic and cognitive abilities that becomes increasingly noticeable as the disease progresses. Objective. The objective of this research was to compare the performance and linguistic-cognitive profile of individuals with Parkinson's disease who underwent deep brain stimulation treatment based on the stage of the disease. Method. A total of 60 participants who were diagnosed with PD by their reference hospital were selected. These participants were divided into three groups based on the stage of the disease that they were in, forming three groups: a Stage I group (n = 20), a Stage II group (n = 20), and a Stage III group (n = 20). The linguistic-cognitive profile was assessed using the MoCA, ACE-III, and MetAphas tests. The design of this study was established as a quasi-experimental, cross-sectional investigation, and statistical analysis was performed using MANOVA to compare the scores between the study groups. Results. The results indicate that individuals in Stage I exhibit better linguistic and cognitive performance compared to the other groups of participants in Stage II and Stage III, with statistically significant differences (p < 0.05). Conclusion. In conclusion, the progression of PD leads to significant linguistic and cognitive decline in individuals with this disease who have a deep brain stimulation device, greatly limiting the autonomy and quality of life for people with PD.
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Affiliation(s)
| | - Miguel López-Zamora
- Department of Developmental and Educational Psychology, University of Malaga, 29010 Malaga, Spain
| | - Lorena Romero-Moreno
- Department of Neurosurgery, Regional University Hospital of Malaga, 29010 Malaga, Spain
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13
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Somma T, Bove I, Vitulli F, Solari D, Bocchino A, Palmiero C, Scala MR, Zoia C, Cappabianca P, Esposito F. Gender gap in deep brain stimulation for Parkinson's disease: preliminary results of a retrospective study. Neurosurg Rev 2024; 47:63. [PMID: 38263479 PMCID: PMC10806036 DOI: 10.1007/s10143-024-02290-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/25/2024]
Abstract
Subthalamic nucleus deep brain stimulation (STN-DBS) is an effective treatment of PD for both women and men. However, discussions have been reported about the impact of STN-DBS surgery in PD. The aim of our study is to identify differences between men and women in terms of pre- and post-DBS symptoms and try to explain the possible causes. In the current study, we evaluated the gender impact on STN-DBS in PD at the Department of Neurosurgery of University of Naples "Federico II" from 2013 to 2021. Motor and non-motor symptoms were evaluated. To compare the data before and after surgery and between the genders, Wilcoxon-Mann-Whitney tests were performed. A total of 43 patients with PD were included; of them, 17 (39%) were female. Baseline evaluation revealed no gender differences in the age of onset (p = 0.87). Not significant differences were noted in the Unified Parkinson's Disease Rating Scale (UPDRS) pre-surgery score, but if we consider UPDRS subscores of motor examination, significant clinical improvement was reported in both male and female in terms of UPDRS pre- and post-surgery (p < 0.001). STN-DBS is a highly effective treatment for motor and non-motor symptoms of PD for both women and men but our study hints towards gender-specific outcomes in motor domains. Improving our knowledge in this field can allow us to implement strategies to identify new directions in the development of an adequate treatment of PD in terms of surgical intervention and in consideration of the gender.
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Affiliation(s)
- Teresa Somma
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Ilaria Bove
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy.
| | - Francesca Vitulli
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Domenico Solari
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Andrea Bocchino
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Carmela Palmiero
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Maria Rosaria Scala
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Cesare Zoia
- UOC Neurochirurgia, Ospedale Moriggia Pelascini, Gravedona Ed Uniti, Italy
| | - Paolo Cappabianca
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
| | - Felice Esposito
- Department of Neurological Sciences, Division of Neurosurgery, Università Degli Studi Di Napoli Federico II, Naples, Italy
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14
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Hendriks M, Vinke RS, Georgiev D. Gender discrepancies and differences in motor and non-motor symptoms, cognition, and psychological outcomes in the treatment of Parkinson's disease with subthalamic deep brain stimulation. Front Neurol 2024; 14:1257781. [PMID: 38259647 PMCID: PMC10800523 DOI: 10.3389/fneur.2023.1257781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
Available data suggest that there may be gender differences in the effect of STN-DBS in the treatment of Parkinson's disease (PD). The aim of this study was to review data on gender discrepancies and gender differences in clinical outcomes in PD patients treated with deep brain stimulation of the subthalamic nucleus (STN-DBS). Included were original studies that specifically examined gender discrepancies or gender differences in PD patients with STN-DBS. Men receive more DBS than women, for various indications. The decision-making process for DBS in women compared to men is more influenced by personal preferences and external factors. Motor symptoms improve in both genders, but bradykinesia improves more in men. The postoperative reduction of the levodopa equivalent daily dose seems to be more pronounced in men. Men show more cognitive deterioration and less improvement than women after STN-DBS. Women show more depressive symptoms before surgery, but they improve similarly to men. Men show more improvement in impulsivity and less decrease in impulsive behaviour symptoms than women. Anxiety and personality traits remain unchanged in both genders. Voice quality improves more in men and deteriorates less often than in women. Men gain fat-free mass and fat mass, but women only gain fat mass. Regarding sexual function the evidence is inconsistent. More urinary symptoms improve in women than in men. Pain and restless leg syndrome seems to improve more in men. Regarding quality of life, the evidence seems to be inconsistent, and activities of daily living seems to improve in both genders. Better prospective controlled studies, focusing directly on gender differences in PD patients treated with STN-DBS, are needed to better explain gender differences in STN-DBS for PD.
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Affiliation(s)
- Martijn Hendriks
- Department of Neurology, University Medical Centre Ljubljana, Ljubljana, Slovenia
- Donders Institute for Brain, Cognition and Behaviour, Department of Neurosurgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Ruben Saman Vinke
- Donders Institute for Brain, Cognition and Behaviour, Department of Neurosurgery, Radboud University Medical Centre, Nijmegen, Netherlands
| | - Dejan Georgiev
- Department of Neurology, University Medical Centre Ljubljana, Ljubljana, Slovenia
- Laboratory for Artificial Intelligence, Faculty of Computer and Information Science, University of Ljubljana, Ljubljana, Slovenia
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15
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Pal G, Corcos DM, Metman LV, Israel Z, Bergman H, Arkadir D. Cognitive Effects of Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease with GBA1 Pathogenic Variants. Mov Disord 2023; 38:2155-2162. [PMID: 37916476 PMCID: PMC10990226 DOI: 10.1002/mds.29647] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/09/2023] [Accepted: 10/13/2023] [Indexed: 11/03/2023] Open
Abstract
Genetic subtyping of patients with Parkinson's disease (PD) may assist in predicting the cognitive and motor outcomes of subthalamic deep brain stimulation (STN-DBS). Practical questions were recently raised with the emergence of new data regarding suboptimal cognitive outcomes after STN-DBS in individuals with PD associated with pathogenic variants in glucocerebrosidase gene (GBA1-PD). However, a variety of gaps and controversies remain. (1) Does STN-DBS truly accelerate cognitive deterioration in GBA1-PD? If so, what is the clinical significance of this acceleration? (2) How should the overall risk-to-benefit ratio of STN-DBS in GBA1-PD be established? (3) If STN-DBS has a negative effect on cognition in GBA1-PD, how can this effect be minimized? (4) Should PD patients be genetically tested before STN-DBS? (5) How should GBA1-PD patients considering STN-DBS be counseled? We aim to summarize the currently available relevant data and detail the gaps and controversies that exist pertaining to these questions. In the absence of evidence-based data, all authors strongly agree that clinicians should not categorically deny DBS to PD patients based solely on genotype (GBA1 status). We suggest that PD patients considering DBS may be offered genetic testing for GBA1, where available and feasible, so the potential risks and benefits of STN-DBS can be properly weighed by both the patient and clinician. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Gian Pal
- Rutgers Robert Wood Johnson Medical School, New Brunswick, New Jersey, United States
| | - Daniel M. Corcos
- Department of Physical Therapy and Human Movement Sciences, Northwestern University, Chicago, Illinois, United States
| | - Leo Verhagen Metman
- Parkinson’s Disease and Movement Disorders Center, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Zvi Israel
- Faculty of Medicine, The Hebrew University and Hadassah, Jerusalem, Jerusalem, Israel
- Department of Neurosurgery, Hadassah Medical Center, Jerusalem, Israel
| | - Hagai Bergman
- Faculty of Medicine, The Hebrew University and Hadassah, Jerusalem, Jerusalem, Israel
- Department of Medical Neurobiology, Institute of Medical Research Israel–Canada (IMRIC), The Hebrew University–Hadassah Medical School, Jerusalem, Israel
- The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University, Jerusalem, Israel
| | - David Arkadir
- Faculty of Medicine, The Hebrew University and Hadassah, Jerusalem, Jerusalem, Israel
- Department of Neurology, Hadassah Medical Center, Jerusalem, Israel
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16
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Olson MC, Shill H, Ponce F, Aslam S. Deep brain stimulation in PD: risk of complications, morbidity, and hospitalizations: a systematic review. Front Aging Neurosci 2023; 15:1258190. [PMID: 38046469 PMCID: PMC10690827 DOI: 10.3389/fnagi.2023.1258190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/30/2023] [Indexed: 12/05/2023] Open
Abstract
Introduction Parkinson's disease (PD) is a progressive and debilitating neurological disorder. While dopaminergic medication improves PD symptoms, continued management is complicated by continued symptom progression, increasing medication fluctuations, and medication-related dyskinesia. Deep brain stimulation (DBS) surgery is a well-accepted and widespread treatment often utilized to address these symptoms in advanced PD. However, DBS may also lead to complications requiring hospitalization. In addition, patients with PD and DBS may have specialized care needs during hospitalization. Methods This systematic review seeks to characterize the complications and risk of hospitalization following DBS surgery. Patient risk factors and modifications to DBS surgical techniques that may affect surgical risk are also discussed. Results It is found that, when candidates are carefully screened, DBS is a relatively low-risk procedure, but rate of hospitalization is somewhat increased for DBS patients. Discussion More research is needed to determine the relative influence of more advanced disease vs. DBS itself in increased rate of hospitalization, but education about DBS and PD is important to insure effective patient care within the hospital.
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Affiliation(s)
- Markey C. Olson
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Holly Shill
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Francisco Ponce
- Department of Neurosurgery, Barrow Brain and Spine, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
| | - Sana Aslam
- Department of Neurology, Muhammad Ali Movement Disorders Clinic, Barrow Neurological Institute, St Joseph’s Hospital and Medical Center, Phoenix, AZ, United States
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Levy M, Zurawel M, d’Hardemare V, Moran A, Andelman F, Manor Y, Cohen J, Meshulam M, Balash Y, Gurevich T, Fried I, Bergman H. Subthalamic nucleus physiology is correlated with deep brain stimulation motor and non-motor outcomes. Brain Commun 2023; 5:fcad268. [PMID: 38025270 PMCID: PMC10664412 DOI: 10.1093/braincomms/fcad268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 04/24/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023] Open
Abstract
Subthalamic nucleus deep brain stimulation is commonly indicated for symptomatic relief of idiopathic Parkinson's disease. Despite the known improvement in motor scores, affective, cognitive, voice and speech functions might deteriorate following this procedure. Recent studies have correlated motor outcomes with intraoperative microelectrode recordings. However, there are no microelectrode recording-based tools with predictive values relating to long-term outcomes of integrative motor and non-motor symptoms. We conducted a retrospective analysis of the outcomes of patients with idiopathic Parkinson's disease who had subthalamic nucleus deep brain stimulation at Tel Aviv Sourasky Medical Centre (Tel Aviv, Israel) during 2015-2016. Forty-eight patients (19 women, 29 men; mean age, 58 ± 8 years) who were implanted with a subthalamic nucleus deep brain stimulation device underwent pre- and postsurgical assessments of motor, neuropsychological, voice and speech symptoms. Significant improvements in all motor symptoms (except axial signs) and levodopa equivalent daily dose were noted in all patients. Mild improvements were observed in more posterior-related neuropsychological functions (verbal memory, visual memory and organization) while mild deterioration was observed in frontal functions (personality changes, executive functioning and verbal fluency). The concomitant decline in speech intelligibility was mild and only partial, probably in accordance with the neuropsychological verbal fluency results. Acoustic characteristics were the least affected and remained within normal values. Dimensionality reduction of motor, neuropsychological and voice scores rendered six principal components that reflect the main clinical aspects: the tremor-dominant versus the rigidity-bradykinesia-dominant motor symptoms, frontal versus posterior neuropsychological deficits and acoustic characteristics versus speech intelligibility abnormalities. Microelectrode recordings of subthalamic nucleus spiking activity were analysed off-line and correlated with the original scores and with the principal component results. Based on 198 microelectrode recording trajectories, we suggest an intraoperative subthalamic nucleus deep brain stimulation score, which is a simple sum of three microelectrode recording properties: normalized neuronal activity, the subthalamic nucleus width and the relative proportion of the subthalamic nucleus dorsolateral oscillatory region. A threshold subthalamic nucleus deep brain stimulation score >2.5 (preferentially composed of normalized root mean square >1.5, subthalamic nucleus width >3 mm and a dorsolateral oscillatory region/subthalamic nucleus width ratio >1/3) predicts better motor and non-motor long-term outcomes. The algorithm presented here optimizes intraoperative decision-making of deep brain stimulation contact localization based on microelectrode recording with the aim of improving long-term (>1 year) motor, neuropsychological and voice symptoms.
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Affiliation(s)
- Mikael Levy
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- Department of Neurosurgery, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
- The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
| | - Mika Zurawel
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Vincent d’Hardemare
- Department of Neurosurgery, Hospital Foundation Rothschild, Paris 75019, France
| | - Anan Moran
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
- School of Neurobiology, Biochemistry & Biophysics, George S. Wise Faculty of Life Science, Tel-Aviv University, Tel Aviv 6423906, Israel
| | - Fani Andelman
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Yael Manor
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Jacob Cohen
- Department of Otolaryngology Head and Neck Surgery, Rambam Health Care Campus, Haifa 3525408, Israel
| | - Moshe Meshulam
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Yacov Balash
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Tanya Gurevich
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Itzhak Fried
- Movement Disorders Unit, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- Department of Neurosurgery, Tel Aviv Sourasky Medical Center, Tel Aviv 6423906, Israel
- School of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Hagai Bergman
- The Edmond and Lily Safra Center for Brain Sciences, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel
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Cui Z, Wang J, Mao Z, Ling Z, Zhang J, Chen T. Long-term efficacy of deep brain stimulation of the subthalamic nucleus in patients with pharmacologically intractable epilepsy: A case series of six patients. Epileptic Disord 2023; 25:712-723. [PMID: 37518904 DOI: 10.1002/epd2.20129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 06/14/2023] [Accepted: 07/10/2023] [Indexed: 08/01/2023]
Abstract
OBJECTIVE Epilepsy is one of the widespread neurological illnesses, and about 20%-40% of epilepsy patients are pharmacoresistant. We aimed to assess the long-term efficacy of subthalamic nucleus (STN) deep brain stimulation (DBS) for drug-resistant epilepsy. METHODS We included pharmacologically intractable epilepsy patients who had STN-DBS at the Chinese People's Liberation Army General Hospital between June 2016 and December 2018. We retrospectively evaluated pre- and postoperative clinical outcomes, including seizure frequency, seizure type, anti-seizure medication, cognitive function, anatomical target coordinates, stimulation parameters, and adverse events following the surgical procedure. Six patients with a mean follow-up of 49.3 ± 10.2 months, were included. RESULTS Seizure frequency decreased by an average of 64.0% after STN-DBS at last year follow-up (p = .046), and one patient (1/6) achieved seizure-free status. For seizure type, anti-seizure medication, and cognitive function, there were no significant differences between pre-and post-operation (p > .05). In terms of stimulation parameters, the pulse width, amplitude, and frequency were 58.3 ± 9.4 μs, 2.5 ± .7 V, and 122.5 ± 15.7 Hz, respectively. None of the patients showed normal electroencephalography during the electroencephalography reexamination. There were no surgery-related complications, and chronic STN stimulation was generally well tolerated in five patients. However, one patient (1/6) had a difficulty of dyskinesia in the right arm. SIGNIFICANCE In conclusion, neuromodulation of the STN by DBS is a promising option for patients with pharmacologically intractable epilepsy, especially for whose epileptic zone originates mainly from the frontoparietal region and who are unsuitable for resective surgery. Further prospective multicenter studies with a larger sample size are necessary for further exploration.
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Affiliation(s)
- Zhiqiang Cui
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Jian Wang
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Zhiqi Mao
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Zhipei Ling
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Jianning Zhang
- Department of Neurosurgery, Chinese PLA General Hospital, Beijing, China
| | - Tong Chen
- Department of Neurology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China
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Qin G, Xie H, Shi L, Zhao B, Gan Y, Yin Z, Xu Y, Zhang X, Chen Y, Jiang Y, Zhang Q, Zhang J. Unlocking potential: low frequency subthalamic nucleus stimulation enhances executive function in Parkinson's disease patients with postural instability/gait disturbance. Front Neurosci 2023; 17:1228711. [PMID: 37712094 PMCID: PMC10498764 DOI: 10.3389/fnins.2023.1228711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/01/2023] [Indexed: 09/16/2023] Open
Abstract
Postural instability/gait disturbance (PIGD) is very common in advanced Parkinson's disease, and associated with cognitive dysfunction. Research suggests that low frequency (5-12 Hz) subthalamic nucleus-deep brain stimulation (STN-DBS) could improve cognition in patients with Parkinson's disease (PD). However, the clinical effectiveness of low frequency stimulation in PIGD patients has not been explored. This study was designed in a double-blinded randomized cross-over manner, aimed to verify the effect of low frequency STN-DBS on cognition of PIGD patients. Twenty-nine PIGD patients with STN-DBS were tested for cognitive at off (no stimulation), low frequency (5 Hz), and high frequency (130 Hz) stimulation. Neuropsychological tests included the Stroop Color-Word Test (SCWT), Verbal fluency test, Symbol Digital Switch Test, Digital Span Test, and Benton Judgment of Line Orientation test. For conflict resolution of executive function, low frequency stimulation significantly decreased the completion time of SCWT-C (p = 0.001) and Stroop interference effect (p < 0.001) compared to high frequency stimulation. However, no significant differences among stimulation states were found for other cognitive tests. Here we show, low frequency STN-DBS improved conflict resolution of executive function compared to high frequency. Our results demonstrated the possibility of expanding the treatment coverage of DBS to cognitive function in PIGD, which will facilitate integration of low frequency stimulation into future DBS programming.
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Affiliation(s)
- Guofan Qin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Hutao Xie
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Lin Shi
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Baotian Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yifei Gan
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zixiao Yin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yichen Xu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xin Zhang
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Yaojing Chen
- State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, China
| | - Yin Jiang
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Quan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jianguo Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
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20
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Fründt O, Mainka T, Vettorazzi E, Baspinar E, Schwarz C, Südmeyer M, Gerloff C, Zangemeister WH, Poetter-Nerger M, Hidding U, Hamel W, Moll CKE, Buhmann C. Prospective controlled study on the effects of deep brain stimulation on driving in Parkinson's disease. NPJ Parkinsons Dis 2023; 9:105. [PMID: 37394536 DOI: 10.1038/s41531-023-00545-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 06/07/2023] [Indexed: 07/04/2023] Open
Abstract
To explore the influence of bilateral subthalamic deep brain stimulation (STN-DBS) on car driving ability in patients with Parkinson's disease (PD), we prospectively examined two age-matched, actively driving PD patient groups: one group undergone DBS-surgery (PD-DBS, n = 23) and one group that was eligible for DBS but did not undergo surgery (PD-nDBS, n = 29). In PD-DBS patients, investigation at Baseline was done just prior and at Follow-up 6-12 month after DBS-surgery. In PD-nDBS patients, time interval between Baseline and Follow-up was aimed to be comparable. To assess the general PD driving level, driving was assessed once in 33 age-matched healthy controls at Baseline. As results, clinical and driving characteristics of PD-DBS, PD-nDBS and controls did not differ at Baseline. At Follow-up, PD-DBS patients drove unsafer than PD-nDBS patients. This effect was strongly driven by two single PD-DBS participants (9%) with poor Baseline and disastrous Follow-up driving performance. Retrospectively, we could not identify any of the assessed motor and non-motor clinical Baseline characteristics as predictive for this driving-deterioration at Follow-up. Excluding these two outliers, comparable driving performance between PD-DBS and PD-nDBS patients not only at Baseline but also at Follow-up was demonstrated. Age, disease duration and severity as well as Baseline driving insecurity were associated with poorer driving performance at Follow-up. This first prospective study on driving safety in PD after DBS surgery indicates that DBS usually does not alter driving safety but might increase the risk for driving deterioration, especially in single subjects with already unsafe driving prior to DBS surgery.
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Affiliation(s)
- Odette Fründt
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
- Department of Neurology, Ernst von Bergmann Clinic, 14467, Potsdam, Germany
| | - Tina Mainka
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
- Department of Neurology with Experimental Neurology, Charité Campus Mitte, 10117, Berlin, Germany
- BIH Charité Clinician Scientist Program, Berlin Institute of Health at Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Eik Vettorazzi
- Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Ela Baspinar
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Cindy Schwarz
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Martin Südmeyer
- Department of Neurology, Ernst von Bergmann Clinic, 14467, Potsdam, Germany
| | - Christian Gerloff
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Wolfgang H Zangemeister
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Monika Poetter-Nerger
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Ute Hidding
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Wolfgang Hamel
- Department of Neurosurgery, University-Hospital Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Christian K E Moll
- Institute of Neurophysiology and Pathophysiology, University-Hospital Hamburg-Eppendorf, 20246, Hamburg, Germany
| | - Carsten Buhmann
- Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246, Hamburg, Germany.
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Najera RA, Mahavadi AK, Khan AU, Boddeti U, Del Bene VA, Walker HC, Bentley JN. Alternative patterns of deep brain stimulation in neurologic and neuropsychiatric disorders. Front Neuroinform 2023; 17:1156818. [PMID: 37415779 PMCID: PMC10320008 DOI: 10.3389/fninf.2023.1156818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 06/06/2023] [Indexed: 07/08/2023] Open
Abstract
Deep brain stimulation (DBS) is a widely used clinical therapy that modulates neuronal firing in subcortical structures, eliciting downstream network effects. Its effectiveness is determined by electrode geometry and location as well as adjustable stimulation parameters including pulse width, interstimulus interval, frequency, and amplitude. These parameters are often determined empirically during clinical or intraoperative programming and can be altered to an almost unlimited number of combinations. Conventional high-frequency stimulation uses a continuous high-frequency square-wave pulse (typically 130-160 Hz), but other stimulation patterns may prove efficacious, such as continuous or bursting theta-frequencies, variable frequencies, and coordinated reset stimulation. Here we summarize the current landscape and potential clinical applications for novel stimulation patterns.
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Affiliation(s)
- Ricardo A. Najera
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Anil K. Mahavadi
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Anas U. Khan
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Ujwal Boddeti
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Victor A. Del Bene
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Harrison C. Walker
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - J. Nicole Bentley
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
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Luo B, Qiu C, Chang L, Lu Y, Dong W, Liu D, Xue C, Yan J, Zhang W. Altered brain network centrality in Parkinson's disease patients after deep brain stimulation: a functional MRI study using a voxel-wise degree centrality approach. J Neurosurg 2023; 138:1712-1719. [PMID: 36334296 DOI: 10.3171/2022.9.jns221640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/16/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE After deep brain stimulation (DBS), patients with Parkinson's disease (PD) show improved motor symptoms and decreased verbal fluency, an effect that occurs before the initiation of DBS in the subthalamic nucleus. However, the underlying mechanism remains unclear. This study aimed to evaluate the effects of DBS on whole-brain degree centrality (DC) and seed-based functional connectivity (FC) in PD patients. METHODS The authors obtained resting-state functional MRI data of 28 PD patients before and after DBS surgery. All patients underwent MRI scans in the off-stimulation state. The DC method was used to evaluate the effects of DBS on whole-brain FC at the voxel level. Seed-based FC analysis was used to examine network function changes after DBS. RESULTS After DBS surgery, PD patients showed significantly weaker DC values in the left middle temporal gyrus, left supramarginal gyrus, and left middle frontal gyrus, but significantly stronger DC values in the midbrain, left precuneus, and right precentral gyrus. FC analysis revealed decreased FC values within the default mode network (DMN). CONCLUSIONS This study demonstrated that the DC of DMN-related brain regions decreased in PD patients after DBS surgery, whereas the DC of the motor cortex increased. These findings provide new evidence for the neural effects of DBS on voxel-based whole-brain networks in PD patients.
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Affiliation(s)
- Bei Luo
- Departments of1Functional Neurosurgery
| | - Chang Qiu
- Departments of1Functional Neurosurgery
| | - Lei Chang
- Departments of1Functional Neurosurgery
| | - Yue Lu
- Departments of1Functional Neurosurgery
| | | | | | | | - Jun Yan
- 4Geriatric Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
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Boncuk Ulaş S, Güzey Aras Y, Irmak Gözükara S, Acar T, Acar BA. Correlates of Zonulin and Claudin-5, markers of intestinal and brain endothelial permeability, in Parkinson's Disease: A pilot study. Parkinsonism Relat Disord 2023; 110:105361. [PMID: 36963340 DOI: 10.1016/j.parkreldis.2023.105361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 02/28/2023] [Accepted: 03/05/2023] [Indexed: 03/19/2023]
Abstract
INTRODUCTION Idiopathic Parkinson's Disease is a chronic, progressive, neurodegenerative disease that affects the substantia nigra pars compacta and dopaminergic neurons in the brain stem. Since zonulin and claudin-5 are involved in intestinal and brain endothelial permeability and it is hypothesized that the brain-gut axis is relevant in IPD, the aim of our study is to evaluate whether the relationship between Zonulin and Claudin-5 levels and Parkinson's Disease patients. METHODS A total of 139 patients, including 34 mild, 33 moderate, 39 severe stage patients and 33 healthy controls were included. The patients' demographic data, age of onset, disease duration, disease type and drugs were noted. UPDRS and H&Y scores were evaluated. Prodromal stage symptoms and non-motor symptoms were noted. Zonulin and Claudin-5 levels in the serum were studied. RESULTS The mean Zonulin value was significantly higher in the IPD group compared to the control one (16.0 ± 10.5 vs. 11.1 ± 4.3; p = 0.0012). Likewise, the mean Claudin-5 value in the IPD group was again significantly higher than in the control group (8.4 ± 5.5 vs. 6.2 ± 3.4; p = 0.0003). The combined ROC curve, though, showed only modest albeit significant discriminant ability. Moreover, neither zonulin nor claudin-5 related to age, phenotype or disease duration, and in terms of non-motor symptoms there was only a significant association between zonulin and urine problems and between claudin-5 and sleep symptoms. CONCLUSION Our results suggest an association of these markers of intestinal and brain endothelial permeability and IPD, although these remain modest and preliminary and warrant further consideration in larger studies including prodromal cases.
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Affiliation(s)
| | - Yeşim Güzey Aras
- Department of Neurology, Sakarya University Faculty of Medicine, Sakarya, Turkey.
| | - Sezen Irmak Gözükara
- Department of Biochemistry, Sakarya University Training and Research Hospital, Sakarya, Turkey.
| | - Türkan Acar
- Department of Neurology, Sakarya University Faculty of Medicine, Sakarya, Turkey.
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Parkinson Disease Dementia Management: an Update of Current Evidence and Future Directions. Curr Treat Options Neurol 2023. [DOI: 10.1007/s11940-023-00749-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Del Bene VA, Martin RC, Brinkerhoff SA, Olson JW, Nelson MJ, Marotta D, Gonzalez CL, Mills KA, Kamath V, Bentley JN, Guthrie BL, Knight RT, Walker HC. Differential cognitive effects of unilateral left and right subthalamic nucleus deep brain stimulation for Parkinson disease. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.02.27.23286478. [PMID: 36909562 PMCID: PMC10002774 DOI: 10.1101/2023.02.27.23286478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Objective To investigate hemispheric effects of directional versus ring subthalamic nucleus (STN) deep brain stimulation (DBS) surgery on cognitive function in patients with advanced Parkinson's disease (PD). Methods We examined 31 PD patients (Left STN n = 17; Right STN n = 14) who underwent unilateral subthalamic nucleus (STN) DBS as part of a NIH-sponsored randomized, cross-over, double-blind (ring vs directional) clinical trial. Outcome measures were tests of verbal fluency, auditory-verbal memory, and response inhibition. First, all participants were pooled together to study the effects of directional versus ring stimulation. Then, we stratified the groups by surgery hemisphere and studied the longitudinal changes in cognition post-unilateral STN DBS. Results Relative to pre-DBS cognitive baseline performances, there were no group changes in cognition following unilateral DBS for either directional or ring stimulation. However, assessment of unilateral DBS by hemisphere revealed a different pattern. The left STN DBS group had lower verbal fluency than the right STN group (t(20.66 = -2.50, p = 0.02). Over a period of eight months post-DBS, verbal fluency declined in the left STN DBS group (p = 0.013) and improved in the right STN DBS group over time (p < .001). Similarly, response inhibition improved following right STN DBS (p = 0.031). Immediate recall did not significantly differ over time, nor was it affected by implant hemisphere, but delayed recall equivalently declined over time for both left and right STN DBS groups (left STN DBS p = 0.001, right STN DBS differ from left STN DBS p = 0.794). Conclusions Directional and ring DBS did not differentially or adversely affect cognition over time. Regarding hemisphere effects, verbal fluency decline was observed in those who received left STN DBS, along with the left and right STN DBS declines in delayed memory. The left STN DBS verbal fluency decrement is consistent with prior bilateral DBS research, likely reflecting disruption of the basal-ganglia-thalamocortical network connecting STN and inferior frontal gyrus. Interestingly, we found an improvement in verbal fluency and response inhibition following right STN DBS. It is possible that unilateral STN DBS, particularly in the right hemisphere, may mitigate cognitive decline.
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Affiliation(s)
- Victor A Del Bene
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
- The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Roy C. Martin
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
- The Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Sarah A. Brinkerhoff
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Joseph W. Olson
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Matthew J. Nelson
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Dario Marotta
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Christopher L. Gonzalez
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Kelly A. Mills
- Department of Neurology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Vidyulata Kamath
- Department of Psychiatry and Behavioral Sciences, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - J. Nicole Bentley
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Barton L. Guthrie
- Department of Neurosurgery, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
| | - Robert T. Knight
- Department of Psychology, University of California, Berkeley, CA, USA
- Helen Wills Neuroscience Institute, University of California, Berkeley, CA, USA
| | - Harrison C. Walker
- Department of Neurology, University of Alabama at Birmingham Heersink School of Medicine, Birmingham, AL, USA
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Block CK, Patel M, Risk BB, Staikova E, Loring D, Esper CD, Scorr L, Higginbotham L, Aia P, DeLong MR, Wichmann T, Factor SA, Au Yong N, Willie JT, Boulis NM, Gross RE, Buetefisch C, Miocinovic S. Patients with Cognitive Impairment in Parkinson's Disease Benefit from Deep Brain Stimulation: A Case-Control Study. Mov Disord Clin Pract 2023; 10:382-391. [PMID: 36949802 PMCID: PMC10026300 DOI: 10.1002/mdc3.13660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/23/2022] [Accepted: 12/17/2022] [Indexed: 01/18/2023] Open
Abstract
Background Deep brain stimulation (DBS) for Parkinson's disease (PD) is generally contraindicated in persons with dementia but it is frequently performed in people with mild cognitive impairment or normal cognition, and current clinical guidelines are primarily based on these cohorts. Objectives To determine if moderately cognitive impaired individuals including those with mild dementia could meaningfully benefit from DBS in terms of motor and non-motor outcomes. Methods In this retrospective case-control study, we identified a cohort of 40 patients with PD who exhibited moderate (two or more standard deviations below normative scores) cognitive impairment (CI) during presurgical workup and compared their 1-year clinical outcomes to a cohort of 40 matched patients with normal cognition (NC). The surgery targeted subthalamus, pallidus or motor thalamus, in a unilateral, bilateral or staged approach. Results At preoperative baseline, the CI cohort had higher Unified Parkinson's Disease Rating Scale (UPDRS) subscores, but similar levodopa responsiveness compared to the NC cohort. The NC and CI cohorts demonstrated comparable degrees of postoperative improvement in the OFF-medication motor scores, motor fluctuations, and medication reduction. There was no difference in adverse event rates between the two cohorts. Outcomes in the CI cohort did not depend on the target, surgical staging, or impaired cognitive domain. Conclusions Moderately cognitively impaired patients with PD can experience meaningful motor benefit and medication reduction with DBS.
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Affiliation(s)
- Cady K. Block
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Margi Patel
- Department of NeurologyTexas A&M University, Baylor University Medical CenterDallasTexasUSA
| | - Benjamin B. Risk
- Department of Biostatistics and BioinformaticsEmory University Rollins School of Public HealthAtlantaGeorgiaUSA
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
| | - Ekaterina Staikova
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - David Loring
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Christine D. Esper
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Laura Scorr
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Lenora Higginbotham
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
| | - Pratibha Aia
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Mahlon R. DeLong
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Thomas Wichmann
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
| | - Stewart A. Factor
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
| | - Nicholas Au Yong
- Department of NeurosurgeryEmory University School of MedicineAtlantaGeorgiaUSA
| | - Jon T. Willie
- Department of Neurosurgery, Neurology and PsychiatryWashington University School of MedicineSt LouisMissouriUSA
| | - Nicholas M. Boulis
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
| | - Robert E. Gross
- Department of NeurosurgeryEmory University School of MedicineAtlantaGeorgiaUSA
| | - Cathrin Buetefisch
- Department of Neurology, Rehabilitation Medicine and RadiologyEmory University School of MedicineAtlantaGeorgiaUSA
| | - Svjetlana Miocinovic
- Department of NeurologyEmory University School of MedicineAtlantaGeorgiaUSA
- Emory Udall Center of Excellence in Parkinson's Disease ResearchEmory National Primate Research CenterAtlantaGeorgiaUSA
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Hell F, Eißner A, Mehrkens JH, Bötzel K. Subthalamic oscillatory activity during normal and impaired speech. Clin Neurophysiol 2023; 149:42-50. [PMID: 36893498 DOI: 10.1016/j.clinph.2023.02.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/16/2023] [Accepted: 02/15/2023] [Indexed: 03/09/2023]
Abstract
OBJECTIVE We studied the relationship between oscillatory activity in the subthalamic nucleus (STN) and speech production in order to better understand the functional role of the STN. METHODS We simultaneously recorded subthalamic local field potentials and audio recordings from 5 patients with Parkinson's disease while they performed verbal fluency tasks. We then analyzed the oscillatory signals present in the subthalamic nucleus during these tasks. RESULTS We report that normal speech leads to a suppression of subthalamic alpha and beta power. Contrarily, a patient with motor blocks during speech initiation showed a low beta power increase. We also report an increase in error rates in the phonemic non-alternating verbal fluency task during deep brain stimulation (DBS). CONCLUSIONS We confirm previous findings that intact speech leads to desynchronization in the beta range in the STN. The speech related narrowband beta power increase in a patient with speech problems suggests that exaggerated synchronization in this frequency band is associated with motor blocks during speech initiation. The increased number of errors in verbal fluency tasks during DBS might be caused by an impairment of the response inhibition network caused by stimulation of the STN. SIGNIFICANCE We suggest that the inability to attenuate beta activity during motor processes is associated with motor freezing across motor behaviours such as speech and gait, as previously shown for freezing of gait.
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Affiliation(s)
- Franz Hell
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany; Graduate School of Systemic Neurosciences, Ludwig-Maximilians-Universität München, Grosshadernerstr. 2, 82152 Martinsried, Germany.
| | - Annika Eißner
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany
| | - Jan H Mehrkens
- Department of Neurosurgery, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany
| | - Kai Bötzel
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany; Graduate School of Systemic Neurosciences, Ludwig-Maximilians-Universität München, Grosshadernerstr. 2, 82152 Martinsried, Germany
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UMEMURA ATSUSHI. Deep Brain Stimulation for Parkinson's Disease. JUNTENDO IJI ZASSHI = JUNTENDO MEDICAL JOURNAL 2023; 69:21-29. [PMID: 38854848 PMCID: PMC11153071 DOI: 10.14789/jmj.jmj22-0041-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 12/20/2022] [Indexed: 06/11/2024]
Abstract
There is a long history of surgical treatment for Parkinson's disease (PD). Currently, deep brain stimulation (DBS) has been performed as promising treatment option for medically refractory PD. DBS is an adjustable and reversible treatment using implanted medical devices to deliver electrical stimulation to precisely targeted areas of the brain. DBS modulates neurological function of the target region. The most common target for PD is the subthalamic nucleus (STN). DBS is particularly indicated for patients suffering from motor complications of dopaminergic medication such as fluctuations and dyskinesia. Although there is currently no curative treatment for PD, a combination of medical treatment and DBS provide long-term relief of motor symptoms. In this review, I introduce history, mechanism, indication, clinical outcome, complication, long term outcome, timing of surgery, surgical procedure, and current new technology concerning DBS for PD.
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Affiliation(s)
- ATSUSHI UMEMURA
- Corresponding author: Atsushi Umemura, Department of Research and Therapeutics for Movement Disorders, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan, TEL: +81-3-3813-3111 FAX: +81-3-5689-8343 E-mail: , 357th Triannual Meeting of the Juntendo Medical Society “Current Surgical Diagnosis and Treatment” 〔Held on Sep. 15, 2022〕
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Furlanetti L, Baig Mirza A, Raslan A, Velicu MA, Burford C, Akhbari M, German E, Saha R, Samuel M, Ashkan K. Factors Influencing Driving following DBS Surgery in Parkinson's Disease: A Single UK Centre Experience and Review of the Literature. J Clin Med 2022; 12:jcm12010166. [PMID: 36614967 PMCID: PMC9821168 DOI: 10.3390/jcm12010166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Parkinson's disease (PD) is a complex neurodegenerative disorder, leading to impairment of various neurological faculties, including motor, planning, cognitivity, and executive functions. Motor- and non-motor symptoms of the disease may intensify a patient's restrictions to performing usual tasks of daily living, including driving. Deep Brain Stimulation (DBS) associated with optimized clinical treatment has been shown to improve quality of life, motor, and non-motor symptoms in PD. In most countries, there are no specific guidelines concerning minimum safety requirements and the timing of return to driving following DBS, leaving to the medical staff of individual DBS centres the responsibility to draw recommendations individually regarding patients' ability to drive after surgery. The aim of this study was to evaluate factors that might influence the ability to drive following DBS in the management of PD. A total of 125 patients were included. Clinical, epidemiological, neuropsychological, and surgical factors were evaluated. The mean follow-up time was 129.9 months. DBS improved motor and non-motor symptoms of PD. However, in general, patients were 2.8-fold less likely to drive in the postoperative period than prior to surgery. Among the PD characteristics, patients with the akinetic subtype presented a higher risk to lose their driving licence postoperatively. Furthermore, the presence of an abnormal postoperative neuropsychological evaluation was also associated with driving restriction following surgery. Our data indicate that restriction to drive following surgery seems to be multifactorial rather than a direct consequence of DBS itself. Our study sheds light on the urgent need for a standardised multidisciplinary postoperative evaluation to assess patients' ability to drive following DBS.
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Affiliation(s)
- Luciano Furlanetti
- Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AB, UK
- King’s Health Partners Academic Health Sciences Centre, London SE1 9RT, UK
- Correspondence: ; Tel.: +44-(0)-203-299-3285
| | - Asfand Baig Mirza
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Ahmed Raslan
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Maria Alexandra Velicu
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Charlotte Burford
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Melika Akhbari
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Elaine German
- Department of Neuropsychology, King’s College London, London SE5 8AB, UK
| | - Romi Saha
- Department of Neurology, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Michael Samuel
- Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AB, UK
- King’s Health Partners Academic Health Sciences Centre, London SE1 9RT, UK
- Department of Neurology, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
| | - Keyoumars Ashkan
- Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 8AB, UK
- Department of Neurosurgery, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
- Department of Neurology, King’s College Hospital NHS Foundation Trust, London SE5 9RS, UK
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Jiang C, Wang J, Chen T, Li X, Cui Z. Short- and Long-Term Efficacy and Safety of Deep-Brain Stimulation in Parkinson's Disease Patients aged 75 Years and Older. Brain Sci 2022; 12:brainsci12111588. [PMID: 36421912 PMCID: PMC9688478 DOI: 10.3390/brainsci12111588] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Objective: The aim of this study was to investigate the efficacy and safety of deep-brain stimulation (DBS) in the treatment of patients with Parkinson’s disease aged 75 years and older. Methods: From March 2013 to June 2021, 27 patients with Parkinson’s disease (≥75 years old) who underwent DBS surgery at the First Medical Center of the PLA General Hospital were selected. The Unified Parkinson’s Disease Rating Scale Part 3 (UPDRS-III), 39-item Parkinson’s Disease Questionnaire (PDQ-39), and Barthel Index for Activities of Daily Living (BI) scores were used to evaluate motor function and quality of life before surgery and during on and off periods of DBS at 1 year post operation and at the final follow-up. A series of non-motor scales were used to evaluate sleep, cognition, and mood, and the levodopa equivalent daily dose (LEDD) was also assessed. Adverse events related to surgery were noted. Results: The average follow-up time was 55.08 (21−108) months. Symptoms were significantly improved at 1 year post operation. The median UPDRS-III score decreased from 35 points (baseline) to 19 points (improvement of 45.7%) in the stimulation-on period at 1 year post operation (t = 19.230, p < 0.001) and to 32 points (improvement of 8.6%) at the final follow-up (t = 3.456, p = 0.002). In the stimulation-off period, the median score of UPDRS-III increased from 35 points to 39 points (deterioration of −11.4%) at 1 year post operation (Z = −4.030, p < 0.001) and 45 points (deterioration of −28.6%) at the final follow-up (Z = −4.207, p < 0.001). The PDQ-39 overall scores decreased from 88 points (baseline) to 55 points (improvement of 37.5%) in the stimulation-on period at 1 year post operation (t = 11.390, p < 0.001) and 81 points (improvement of 8.0%) at the final follow-up (t = 2.142, p = 0.044). In the stimulation-off period, the median PDQ-39 score increased from 88 points to 99 points (deterioration of −12.5%) at the final follow-up (Z = −2.801, p = 0.005). The ADL-Barthel Index score increased from 25 points (baseline) to 75 points (improvement of 66.7%) at 1 year post operation (Z = −4.205, p < 0.001) and to 35 points (improvement of 28.6%) at the final follow-up (Z = −4.034, p < 0.001). In the stimulation-off period, BI scores decreased from 25 points to 15 points (deterioration of −40%) at 1 year post operation (Z = −3.225, p = 0.01) and to 15 points (deterioration of −40%) at the final follow-up (Z = −3.959, p = 0.001). Sleep, cognition, and mood were slightly improved at 1 year post operation (p < 0.05), and LEDD was reduced from 650 mg (baseline) to 280 mg and 325 mg at 1 year post operation and the final follow-up, respectively (p < 0.05). One patient had a cortical hemorrhage in the puncture tract on day 2 after surgery, five patients had hallucinations in the acute stage after surgery, and one patient had an exposed left-brain electrode lead at 4 months post operation; there were no infections or death. Conclusion: DBS showed efficacy and safety in treating older patients (≥75 years old) with Parkinson’s disease. Motor function, quality of life, activities of daily living, LEDD, and sleep all showed long-term improvements with DBS; short-term improvements in emotional and cognitive function were also noted.
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Affiliation(s)
- Chao Jiang
- Institute of Neuroscience, College of Life and Health Sciences, Northeastern University, Shenyang 110169, China
| | - Jian Wang
- Department of Neurosurgery, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Tong Chen
- Department of Neurology, The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing 100853, China
| | - Xuemei Li
- Cadre Medical Department, The First Medical Clinical Center, PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing 100853, China
| | - Zhiqiang Cui
- Department of Neurosurgery, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
- Correspondence:
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Temiz G, Santin MDN, Olivier C, Collomb-Clerc A, Fernandez-Vidal S, Hainque E, Bardinet E, Lau B, François C, Karachi C, Welter ML. Freezing of gait depends on cortico-subthalamic network recruitment following STN-DBS in PD patients. Parkinsonism Relat Disord 2022; 104:49-57. [PMID: 36242900 DOI: 10.1016/j.parkreldis.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Subthalamic deep-brain-stimulation (STN-DBS) is an effective means to treat Parkinson's disease (PD) symptoms. Its benefit on gait disorders is variable, with freezing of gait (FOG) worsening in about 30% of cases. Here, we investigate the clinical and anatomical features that could explain post-operative FOG. METHODS Gait and balance disorders were assessed in 19 patients, before and after STN-DBS using clinical scales and gait recordings. The location of active stimulation contacts were evaluated individually and the volumes of activated tissue (VAT) modelled for each hemisphere. We used a whole brain tractography template constructed from another PD cohort to assess the connectivity of each VAT within the 39 Brodmann cortical areas (BA) to search for correlations between postoperative PD disability and cortico-subthalamic connectivity. RESULTS STN-DBS induced a 100% improvement to a 166% worsening in gait disorders, with a mean FOG decrease of 36%. We found two large cortical clusters for VAT connectivity: one "prefrontal", mainly connected with BA 8,9,10,11 and 32, and one "sensorimotor", mainly connected with BA 1-2-3,4 and 6. After surgery, FOG severity positively correlated with the right prefrontal VAT connectivity, and negatively with the right sensorimotor VAT connectivity. The right prefrontal VAT connectivity also tended to be positively correlated with the UPDRS-III score, and negatively with step length. The MDRS score positively correlated with the right sensorimotor VAT connectivity. CONCLUSION Recruiting right sensorimotor and avoiding right prefrontal cortico-subthalamic fibres with STN-DBS could explain reduced post-operative FOG, since gait is a complex locomotor program that necessitates accurate cognitive control.
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Affiliation(s)
- Gizem Temiz
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Marie des Neiges Santin
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Claire Olivier
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France; PANAM core Facility, Paris Brain Institute, Paris, France
| | - Antoine Collomb-Clerc
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Sara Fernandez-Vidal
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Elodie Hainque
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Eric Bardinet
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Brian Lau
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Chantal François
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France
| | - Carine Karachi
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France; Neurosurgery Department, AP-HP, Hôpitaux Universitaires Pitié Salpêtrière - Charles Foix, F-75013, Paris, France
| | - Marie-Laure Welter
- Inserm 1127, Sorbonne Université, UPMC Univ Paris 06, UMRS 1127, CNRS, UMR 7225, Institut Du Cerveau et de la Moelle Epinière, F-75013, Paris, France; PANAM core Facility, Paris Brain Institute, Paris, France; Neurophysiology Department, Rouen University Hospital, CHU Rouen, F-76000, Rouen, France.
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Weintraub D, Aarsland D, Biundo R, Dobkin R, Goldman J, Lewis S. Management of psychiatric and cognitive complications in Parkinson's disease. BMJ 2022; 379:e068718. [PMID: 36280256 DOI: 10.1136/bmj-2021-068718] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Neuropsychiatric symptoms (NPSs) such as affective disorders, psychosis, behavioral changes, and cognitive impairment are common in Parkinson's disease (PD). However, NPSs remain under-recognized and under-treated, often leading to adverse outcomes. Their epidemiology, presentation, risk factors, neural substrate, and management strategies are incompletely understood. While psychological and psychosocial factors may contribute, hallmark PD neuropathophysiological changes, plus the associations between exposure to dopaminergic medications and occurrence of some symptoms, suggest a neurobiological basis for many NPSs. A range of psychotropic medications, psychotherapeutic techniques, stimulation therapies, and other non-pharmacological treatments have been studied, are used clinically, and are beneficial for managing NPSs in PD. Appropriate management of NPSs is critical for comprehensive PD care, from recognizing their presentations and timing throughout the disease course, to the incorporation of different therapeutic strategies (ie, pharmacological and non-pharmacological) that utilize a multidisciplinary approach.
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Affiliation(s)
- Daniel Weintraub
- Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
- Parkinson's Disease Research, Education and Clinical Center (PADRECC), Philadelphia Veterans Affairs Medical Center, Philadelphia, PA
| | - Dag Aarsland
- Department of Old Age Psychiatry, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, England
- Centre for Age-Related Diseases, Stavanger University Hospital, Stavanger, Norway
| | - Roberta Biundo
- Department of General Psychology, University of Padua, Padua, Italy
- Study Center for Neurodegeneration (CESNE), Department of Neuroscience, University of Padua, Padua, Italy
| | - Roseanne Dobkin
- Department of Psychiatry, Rutgers-The State University of New Jersey, Robert Wood Johnson Medical School, New Brunswick, NJ
| | - Jennifer Goldman
- Shirley Ryan AbilityLab, Parkinson's Disease and Movement Disorders, Chicago, IL
- Departments of Physical Medicine and Rehabilitation and Neurology, Northwestern University Feinberg School of Medicine, Chicago, IL
| | - Simon Lewis
- ForeFront Parkinson's Disease Research Clinic, Brain and Mind Centre, School of Medical Sciences, University of Sydney, Sydney, New South Wales, Australia
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Xie H, Zhang Q, Jiang Y, Bai Y, Zhang J. Parkinson’s disease with mild cognitive impairment may has a lower risk of cognitive decline after subthalamic nucleus deep brain stimulation: A retrospective cohort study. Front Hum Neurosci 2022; 16:943472. [PMID: 36147298 PMCID: PMC9486063 DOI: 10.3389/fnhum.2022.943472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/10/2022] [Indexed: 11/22/2022] Open
Abstract
Background The cognitive outcomes induced by subthalamic nucleus deep brain stimulation (STN-DBS) remain unclear, especially in PD patients with mild cognitive impairment (MCI). This study explored the cognitive effects of STN-DBS in PD patients with MCI. Methods This was a retrospective cohort study that included 126 PD patients who underwent STN-DBS; all patients completed cognitive and motor assessments before and at least 6 months after surgery. Cognitive changes were mainly evaluated by the Montreal cognitive assessment (MoCA) scale and the seven specific MoCA domains, including visuospatial/executive function, naming, attention, language, abstract, delayed recall, and orientation. Motor improvement was evaluated by the UPDRS-III. Cognitive changes and motor improvements were compared between PD-MCI and normal cognitive (NC) patients. Logistic regression analyses were performed to explore predictors of post-operative cognitive change. Results At the time of surgery, 61.90% of the included PD patients had MCI. Compared with the PD-MCI group, the PD-NC group had a significantly higher proportion of cases with post-operative cognitive decline during follow-up of up to 36 months (mean 17.34 ± 10.61 months), mainly including in global cognitive function, visuospatial/executive function and attention. Covariate-adjusted binary logistic regression analyses showed that pre-operative global cognitive status was an independent variable for post-operative cognitive decline. We also found that pre-operative cognitive specific function could predict its own decline after STN-DBS, except for the naming and orientation domains. Conclusion PD-MCI patients are at a lower risk of cognitive decline after STN-DBS compared with PD-NC patients.
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Affiliation(s)
- Hutao Xie
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Quan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yin Jiang
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- *Correspondence: Yin Jiang,
| | - Yutong Bai
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Yutong Bai,
| | - Jianguo Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Neurostimulation, Beijing, China
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
- Jianguo Zhang,
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Askari A, Greif TR, Lam J, Maher AC, Persad CC, Patil PG. Decline of verbal fluency with lateral superior frontal gyrus penetration in subthalamic nucleus deep brain stimulation for Parkinson disease. J Neurosurg 2022; 137:729-734. [PMID: 35090137 DOI: 10.3171/2021.11.jns211528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 11/22/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Verbal fluency (VF) decline is a well-recognized adverse cognitive outcome following subthalamic nucleus deep brain stimulation (STN DBS) in patients with Parkinson disease (PD). The mechanisms underlying VF decline, whether from stimulation, lesioning, or both, remain unclear. This study aims to investigate the unique effects of DBS lead trajectory on VF beyond previously reported effects of active contact location. METHODS The study population included 56 patients with idiopathic PD who underwent bilateral STN DBS. Phonemic and semantic VF scores were compared pre- and postoperatively. Features of the electrode trajectory were measured on postoperative imaging, including distance from the falx cerebri, distance from the superior frontal sulcus, and caudate nucleus penetration. The authors used t-tests, Pearson's correlation, and multiple linear regression analyses to examine the relationship between VF change and demographic, disease, and electrode trajectory variables. RESULTS The laterality of entry within the left superior frontal gyrus (SFG) predicted greater phonemic VF decline (sr2 = 0.28, p < 0.001) after controlling for active contact location. VF change did not differ by the presence of caudate nucleus penetration in either hemisphere (p > 0.05). CONCLUSIONS Lateral penetration of the SFG in the left hemisphere is associated with worsening phonemic VF and has greater explanatory power than active contact location. This may be explained by lesioning of the lateral SFG-Broca area pathway, which is implicated in language function.
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Affiliation(s)
| | - Taylor R Greif
- 2Department of Psychiatry-Neuropsychology Section, University of Michigan, Ann Arbor, Michigan
| | | | - Amanda C Maher
- 2Department of Psychiatry-Neuropsychology Section, University of Michigan, Ann Arbor, Michigan
| | - Carol C Persad
- 2Department of Psychiatry-Neuropsychology Section, University of Michigan, Ann Arbor, Michigan
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Alhourani A, Wylie SA, Summers JE, Phibbs FT, Bradley EB, Neimat JS, Van Wouwe NC. Developing Predictor Models of Postoperative Verbal Fluency After Deep Brain Stimulation Using Preoperative Neuropsychological Assessment. Neurosurgery 2022; 91:256-262. [PMID: 35506958 PMCID: PMC9514727 DOI: 10.1227/neu.0000000000001964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 01/30/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Deep brain stimulation (DBS) for Parkinson disease provides significant improvement of motor symptoms but can also produce neurocognitive side effects. A decline in verbal fluency (VF) is among the most frequently reported side effects. Preoperative factors that could predict VF decline have yet to be identified. OBJECTIVE To develop predictive models of DBS postoperative VF decline using a machine learning approach. METHODS We used a prospective database of patients who underwent neuropsychological and VF assessment before both subthalamic nucleus (n = 47, bilateral = 44) and globus pallidus interna (n = 43, bilateral = 39) DBS. We used a neurobehavioral rating profile as features for modeling postoperative VF. We constructed separate models for action, semantic, and letter VF. We used a leave-one-out scheme to test the accuracy of the predictive models using median absolute error and correlation with actual postoperative scores. RESULTS The predictive models were able to predict the 3 types of VF with high accuracy ranging from a median absolute error of 0.92 to 1.36. Across all three models, higher preoperative fluency, digit span, education, and Mini-Mental State Examination were predictive of higher postoperative fluency scores. By contrast, higher frontal system deficits, age, Questionnaire for Impulsive-Compulsive Disorders in Parkinson's disease scored by the patient, disease duration, and Behavioral Inhibition/Behavioral Activation Scale scores were predictive of lower postoperative fluency scores. CONCLUSION Postoperative VF can be accurately predicted using preoperative neurobehavioral rating scores above and beyond preoperative VF score and relies on performance over different aspects of executive function.
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Affiliation(s)
- Ahmad Alhourani
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, USA
| | - Scott A. Wylie
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, USA
| | - Jessica E. Summers
- Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Fenna T. Phibbs
- Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Elise B. Bradley
- Department of Neurology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Joseph S. Neimat
- Department of Neurosurgery, University of Louisville, Louisville, Kentucky, USA
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Zhang Q, Zhao B, Neumann WJ, Xie H, Shi L, Zhu G, Yin Z, Qin G, Bai Y, Meng F, Yang A, Jiang Y, Zhang J. Low-frequency oscillations link frontal and parietal cortex with subthalamic nucleus in conflicts. Neuroimage 2022; 258:119389. [PMID: 35714885 DOI: 10.1016/j.neuroimage.2022.119389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 05/04/2022] [Accepted: 06/13/2022] [Indexed: 11/18/2022] Open
Abstract
Low-frequency oscillations (LFOs, 28 Hz) in the subthalamic nucleus(STN) are known to reflect cognitive conflict. However, it is unclear if LFOs mediate communication and functional interactions among regions implicated in conflict processing, such as the motor cortex (M1), premotor cortex (PMC), and superior parietal lobule (SPL). To investigate the potential contribution of LFOs to cognitive conflict mediation, we recorded M1, PMC, and SPL activities by right subdural electrocorticography (ECoG) simultaneously with bilateral STN local field potentials (LFPs) by deep brain stimulation electrodes in 13 patients with Parkinson's disease who performed the arrow version of the Eriksen flanker task. Elevated cue-related LFO activity was observed across patients during task trials, with the earliest onset in PMC and SPL. At cue onset, LFO power exhibited a significantly greater increase or a trend of a greater increase in the PMC, M1, and STN, and less increase in the SPL during high-conflict (incongruent) trials than in low-conflict (congruent) trials. The local LFO power increases in PMC, SPL, and right STN were correlated with response time, supporting the notion that these structures are critical hubs for cognitive conflict processing. This power increase was accompanied by increased functional connectivity between the PMC and right STN, which was correlated with response time across subjects. Finally, ipsilateral PMC-STN Granger causality was enhanced during high-conflict trials, with direction from STN to PMC. Our study indicates that LFOs link the frontal and parietal cortex with STN during conflicts, and the ipsilateral PMC-STN connection is specifically involved in this cognitive conflict processing.
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Affiliation(s)
- Quan Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Baotian Zhao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Wolf-Julian Neumann
- Movement Disorder and Neuromodulation Unit, Department of Neurology, Charite´, Universita¨Tsmedizin Berlin, Charite´ Campus Mitte, Berlin 10117, Germany
| | - Hutao Xie
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Lin Shi
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Guanyu Zhu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Zixiao Yin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Guofan Qin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Yutong Bai
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Fangang Meng
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Anchao Yang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China
| | - Yin Jiang
- Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China.
| | - Jianguo Zhang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China; Department of Functional Neurosurgery, Beijing Neurosurgical Institute, Capital Medical University, The South Fourth Ring Road, West Road, Fengtai District & No. 119, Beijing 100070, China; Beijing Key Laboratory of Neurostimulation, Beijing, 100070, China.
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Weill C, Gallant A, Lintsky E, Dienstag A, Israel Z, Arkadir D. Cognitive effects of deep brain stimulation in GBA-related Parkinson's disease. Ann Neurol 2022; 92:344-345. [PMID: 35686430 DOI: 10.1002/ana.26432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/02/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Caroline Weill
- Department of Neurology, Hadassah Medical Center, Jerusalem, Israel
| | - Akiva Gallant
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eduard Lintsky
- Department of Neurology, Hadassah Medical Center, Jerusalem, Israel
| | - Aryeh Dienstag
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.,Department of Psychiatry, Hadassah Medical Center, Jerusalem, Israel
| | - Zvi Israel
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel.,Department of Neurosurgery, Hadassah Medical Center, Jerusalem, Israel
| | - David Arkadir
- Department of Neurology, Hadassah Medical Center, Jerusalem, Israel.,Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
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Eghlidos Z, Rahimian Z, Vadiee G, Jahangiri S. Effects of subthalamic deep brain stimulation on non-motor symptoms of Parkinson's disease: A meta-analysis. Acta Neurol Scand 2022; 146:115-125. [PMID: 35611557 DOI: 10.1111/ane.13652] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/28/2022]
Abstract
Deep brain stimulation (DBS) is a well-defined treatment for motor symptoms in advanced PD. Although several studies have investigated the DBS effect on non-motor symptoms (NMS), controversial results exist regarding this matter. The aim of this meta-analysis and systematic review was to assess the bilateral subthalamic nucleus (STN) DBS effect on NMS of PD. We conducted a systematic search on the literature of Web of Science (WOS), PubMed/MEDLINE, Scopus, Cochrane, and Embase. An additional hand search was also done. Finally, a meta-analysis was conducted on 10 studies containing pre- and post-bilateral STN-DBS data regarding NMS acquired using Non-Motor Symptoms Scale for Parkinson's Disease (NMSS) or Non-Motor Symptoms Questionnaire (NMSQ). A random-effects model was used to determine weighted mean differences, and the heterogeneity index was evaluated using Cochrane's Q test. Our study results indicated that bilateral STN-DBS significantly reduced total NMSS and NMSQ score (WMD -17.73; 95% confidence interval [CI] -20.28 to -15.18, WMD -2.19; 95% CI -2.98 to -1.40), respectively, and no publication bias was found. Regarding each of the NMSS domains, DBS significantly reduced the scores of following domains: sleep (WMD -5.98; 95% CI -6.82 to -5.15), miscellaneous (WMD -4.19; 95% CI -4.96 to -3.43), urinary (WMD -2.99; 95% CI -3.78 to -2.19), sexual (WMD -0.65; 95% CI -1.16 to -0.14), and attention/memory (WMD -0.59; 95% CI -1.15 to -0.03). This meta-analysis demonstrated that bilateral STN-DBS has beneficial effects on NMS of PD.
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Affiliation(s)
| | | | - Gholamreza Vadiee
- Department of Neurosurgery Urmia University of Medical Sciences Urmia Iran
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Rački V, Hero M, Rožmarić G, Papić E, Raguž M, Chudy D, Vuletić V. Cognitive Impact of Deep Brain Stimulation in Parkinson’s Disease Patients: A Systematic Review. Front Hum Neurosci 2022; 16:867055. [PMID: 35634211 PMCID: PMC9135964 DOI: 10.3389/fnhum.2022.867055] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Accepted: 04/06/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionParkinson’s disease (PD) patients have a significantly higher risk of developing dementia in later disease stages, leading to severe impairments in quality of life and self-functioning. Questions remain on how deep brain stimulation (DBS) affects cognition, and whether we can individualize therapy and reduce the risk for adverse cognitive effects. Our aim in this systematic review is to assess the current knowledge in the field and determine if the findings could influence clinical practice.MethodsWe have conducted a systematic review according to PRISMA guidelines through MEDLINE and Embase databases, with studies being selected for inclusion via a set inclusion and exclusion criteria.ResultsSixty-seven studies were included in this systematic review according to the selected criteria. This includes 6 meta-analyses, 18 randomized controlled trials, 17 controlled clinical trials, and 26 observational studies with no control arms. The total number of PD patients encompassed in the studies cited in this review is 3677, not including the meta-analyses.ConclusionCognitive function in PD patients can deteriorate, in most cases mildly, but still impactful to the quality of life. The strongest evidence is present for deterioration in verbal fluency, while inconclusive evidence is still present for executive function, memory, attention and processing speed. Global cognition does not appear to be significantly impacted by DBS, especially if cognitive screening is performed prior to the procedure, as lower baseline cognitive function is connected to poor outcomes. Further randomized controlled studies are required to increase the level of evidence, especially in the case of globus pallidus internus DBS, pedunculopontine nucleus DBS, and the ventral intermediate nucleus of thalamus DBS, and more long-term studies are required for all respective targets.
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Affiliation(s)
- Valentino Rački
- Department of Neurology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
- Clinic of Neurology, Clinical Hospital Center Rijeka, Rijeka, Croatia
| | - Mario Hero
- Department of Neurology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
- Clinic of Neurology, Clinical Hospital Center Rijeka, Rijeka, Croatia
| | | | - Eliša Papić
- Department of Neurology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
- Clinic of Neurology, Clinical Hospital Center Rijeka, Rijeka, Croatia
| | - Marina Raguž
- Department of Neurosurgery, Clinical Hospital Dubrava, Zagreb, Croatia
- School of Medicine, Catholic University of Croatia, Zagreb, Croatia
| | - Darko Chudy
- Department of Neurosurgery, Clinical Hospital Dubrava, Zagreb, Croatia
- Department of Surgery, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Vladimira Vuletić
- Department of Neurology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia
- Clinic of Neurology, Clinical Hospital Center Rijeka, Rijeka, Croatia
- *Correspondence: Vladimira Vuletić,
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Leimbach F, Atkinson-Clement C, Socorro P, Jahanshahi M. The Effects of Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease on Associative Learning of Verbal and Non-Verbal Information by Trial and Error or with Corrective Feedback. JOURNAL OF PARKINSON'S DISEASE 2022; 12:885-896. [PMID: 35342046 DOI: 10.3233/jpd-212843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Parkinson's disease (PD) and subthalamic nucleus deep brain stimulation (STN-DBS) are both known to induce cognitive changes. OBJECTIVE The aim of our study was to investigate the impact of STN-DBS on two forms of conditional associative learning (CAL), trial and error or corrective feedback learning, which differed in difficulty to test the load-dependency hypothesis of the cognitive effects of STN-DBS in PD. METHODS We recruited two groups of PD patients, those who had STN-DBS surgery bilaterally (n = 24) and a second unoperated group (n = 9) who were assessed on two versions of a task of visual CAL involving either a more difficult trial and error learning or a relatively easier corrective feedback learning. Each task was completed twice by both groups, On and Off STN-DBS for the operated group and a first and second time by the unoperated group. RESULTS With STN-DBS Off, corrective feedback learning was superior to trial and error CAL, but not with STN-DBS On. The unoperated PD group had improved performance during the second assessment. To control for the improvement observed with repeated assessment in the PD control group, we split the STN-DBS group into two subgroups based on the condition of the first assessment (Off first vs. On first). While we found no STN-DBS effects for the Off first subgroup (N = 14), we observed improved performance during the second STN-DBS Off session for the On first subgroup (N = 10). CONCLUSION The findings suggest that in PD, STN-DBS interferes with use of corrective feedback and its integration in the conditional associative learning process. Also STN stimulation affected the ability of operated patients to resolve proactive interference during learning of the arbitrary visual associations by trial and error or with corrective feedback.
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Affiliation(s)
- Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Cyril Atkinson-Clement
- Sorbonne University, Inserm U1127, CNRS UMR7225, UM75, ICM, F-75013, Paris, France.,Movement Investigation and Therapeutics Team, Paris, France.,School of Medicine, University of Nottingham, Nottingham, UK
| | - Pieter Socorro
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK.,The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
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Bucur M, Papagno C. Deep Brain Stimulation in Parkinson Disease: A Meta-analysis of the Long-term Neuropsychological Outcomes. Neuropsychol Rev 2022; 33:307-346. [PMID: 35318587 PMCID: PMC10148791 DOI: 10.1007/s11065-022-09540-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 01/25/2022] [Indexed: 11/27/2022]
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) or globus pallidum internus (GPi) improves motor functions in patients with Parkinson's disease (PD) but may cause a decline in specific cognitive domains. The aim of this systematic review and meta-analysis was to assess the long-term (1-3 years) effects of STN or GPi DBS on four cognitive functions: (i) memory (delayed recall, working memory, immediate recall), (ii) executive functions including inhibition control (Color-Word Stroop test) and flexibility (phonemic verbal fluency), (iii) language (semantic verbal fluency), and (iv) mood (anxiety and depression). Medline and Web of Science were searched, and studies published before July 2021 investigating long-term changes in PD patients following DBS were included. Random-effects model meta-analyses were performed using the R software to estimate the standardized mean difference (SMD) computed as Hedges' g with 95% CI. 2522 publications were identified, 48 of which satisfied the inclusion criteria. Fourteen meta-analyses were performed including 2039 adults with a clinical diagnosis of PD undergoing DBS surgery and 271 PD controls. Our findings add new information to the existing literature by demonstrating that, at a long follow-up interval (1-3 years), both positive effects, such as a mild improvement in anxiety and depression (STN, Hedges' g = 0,34, p = 0,02), and negative effects, such as a decrease of long-term memory (Hedges' g = -0,40, p = 0,02), verbal fluency such as phonemic fluency (Hedges' g = -0,56, p < 0,0001), and specific subdomains of executive functions such as Color-Word Stroop test (Hedges' g = -0,45, p = 0,003) were observed. The level of evidence as qualified with GRADE varied from low for the pre- verses post-analysis to medium when compared to a control group.
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Affiliation(s)
- Madalina Bucur
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy
| | - Costanza Papagno
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Trento, Italy.
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Pal G, Mangone G, Hill EJ, Ouyang B, Liu Y, Lythe V, Ehrlich D, Saunders-Pullman R, Shanker V, Bressman S, Alcalay RN, Garcia P, Marder KS, Aasly J, Mouradian MM, Link S, Rosenbaum M, Anderson S, Bernard B, Wilson R, Stebbins G, Nichols WC, Welter ML, Sani S, Afshari M, Verhagen L, de Bie RM, Foltynie T, Hall D, Corvol JC, Goetz CG. Parkinson Disease and Subthalamic Nucleus Deep Brain Stimulation: Cognitive Effects in GBA Mutation Carriers. Ann Neurol 2022; 91:424-435. [PMID: 34984729 PMCID: PMC8857042 DOI: 10.1002/ana.26302] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/01/2022] [Accepted: 01/03/2022] [Indexed: 12/16/2022]
Abstract
OBJECTIVE This study was undertaken to compare the rate of change in cognition between glucocerebrosidase (GBA) mutation carriers and noncarriers with and without subthalamic nucleus deep brain stimulation (STN-DBS) in Parkinson disease. METHODS Clinical and genetic data from 12 datasets were examined. Global cognition was assessed using the Mattis Dementia Rating Scale (MDRS). Subjects were examined for mutations in GBA and categorized as GBA carriers with or without DBS (GBA+DBS+, GBA+DBS-), and noncarriers with or without DBS (GBA-DBS+, GBA-DBS-). GBA mutation carriers were subcategorized according to mutation severity (risk variant, mild, severe). Linear mixed modeling was used to compare rate of change in MDRS scores over time among the groups according to GBA and DBS status and then according to GBA severity and DBS status. RESULTS Data were available for 366 subjects (58 GBA+DBS+, 82 GBA+DBS-, 98 GBA-DBS+, and 128 GBA-DBS- subjects), who were longitudinally followed (range = 36-60 months after surgery). Using the MDRS, GBA+DBS+ subjects declined on average 2.02 points/yr more than GBA-DBS- subjects (95% confidence interval [CI] = -2.35 to -1.69), 1.71 points/yr more than GBA+DBS- subjects (95% CI = -2.14 to -1.28), and 1.49 points/yr more than GBA-DBS+ subjects (95% CI = -1.80 to -1.18). INTERPRETATION Although not randomized, this composite analysis suggests that the combined effects of GBA mutations and STN-DBS negatively impact cognition. We advise that DBS candidates be screened for GBA mutations as part of the presurgical decision-making process. We advise that GBA mutation carriers be counseled regarding potential risks associated with STN-DBS so that alternative options may be considered. ANN NEUROL 2022;91:424-435.
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Affiliation(s)
- Gian Pal
- Department of Neurology, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, USA
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Graziella Mangone
- Sorbonne Université, Assistance Publique Hôpitaux de Paris, Inserm, CNRS, Institut du Cerveau – Paris Brain Institute – ICM, Pitié-Salpêtrière Hospital, Department of Neurology, Centre d’Investigation Clinique Neurosciences, Paris, France
| | - Emily J. Hill
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Bichun Ouyang
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Yuanqing Liu
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Vanessa Lythe
- Department of Clinical & Movement Neurosciences, UCL Institute of Neurology, London, UK
| | - Debra Ehrlich
- Parkinson’s Disease Clinic, Office of the Clinical Director, NIH/NINDS, Bethesda, MD, USA
| | - Rachel Saunders-Pullman
- Department of Neurology, Mount Sinai Beth Israel, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Vicki Shanker
- Department of Neurology, Mount Sinai Beth Israel, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Susan Bressman
- Department of Neurology, Mount Sinai Beth Israel, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Roy N. Alcalay
- Department of Neurology, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Priscilla Garcia
- Department of Neurology, New York Medical College, Valhalla, NY, USA
| | - Karen S. Marder
- Department of Neurology, College of Physicians and Surgeons, Columbia University Medical Center, New York, NY, USA
| | - Jan Aasly
- Department of Neurology, St. Olavs Hospital and Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, 7030, Norway
| | - M. Maral Mouradian
- Department of Neurology, Rutgers-Robert Wood Johnson Medical School, New Brunswick, NJ, USA
- Robert Wood Johnson Medical School Institute for Neurological Therapeutics, Rutgers Biomedical and Health Sciences, Piscataway, NJ, USA
| | - Samantha Link
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Marc Rosenbaum
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Sharlet Anderson
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Bryan Bernard
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Robert Wilson
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Glenn Stebbins
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - William C. Nichols
- Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, USA
| | - Marie-Laure Welter
- Sorbonne Université, Assistance Publique Hôpitaux de Paris, Inserm, CNRS, Institut du Cerveau – Paris Brain Institute – ICM, Pitié-Salpêtrière Hospital, Department of Neurology, Centre d’Investigation Clinique Neurosciences, Paris, France
- Normandie Univ, CHU Rouen, Department of Neurophysiology, Rouen, France
| | - Sepehr Sani
- Department of Neurosurgery, Rush University Medical Center, Chicago, IL, USA
| | - Mitra Afshari
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Leo Verhagen
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Rob M.A. de Bie
- Amsterdam University Medical Centers, University of Amsterdam, Department of Neurology, Amsterdam Neuroscience, Amsterdam, Netherlands
| | - Tom Foltynie
- Department of Clinical & Movement Neurosciences, UCL Institute of Neurology, London, UK
| | - Deborah Hall
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
| | - Jean-Christophe Corvol
- Sorbonne Université, Assistance Publique Hôpitaux de Paris, Inserm, CNRS, Institut du Cerveau – Paris Brain Institute – ICM, Pitié-Salpêtrière Hospital, Department of Neurology, Centre d’Investigation Clinique Neurosciences, Paris, France
| | - Christopher G. Goetz
- Department of Neurological Sciences, Rush University Medical Center, Chicago, IL, USA
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Arten TL, Hamdan AC. NExecutive functions and memory in Parkinson's disease patients with Deep Brain Stimulation. AGING AND HEALTH RESEARCH 2022. [DOI: 10.1016/j.ahr.2022.100065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Title: Identifying subtypes of treatment effects of subthalamic nucleus deep brain stimulation on motor symptoms in patients of late-stage Parkinson’s disease with cluster analysis. BRAIN HEMORRHAGES 2022. [DOI: 10.1016/j.hest.2022.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Jahanshahi M, Leimbach F, Rawji V. Short and Long-Term Cognitive Effects of Subthalamic Deep Brain Stimulation in Parkinson's Disease and Identification of Relevant Factors. JOURNAL OF PARKINSON'S DISEASE 2022; 12:2191-2209. [PMID: 36155529 DOI: 10.3233/jpd-223446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
BACKGROUND Subthalamic nucleus deep brain stimulation (STN-DBS) successfully controls the motor symptoms of Parkinson's disease (PD) but has associated cognitive side-effects. OBJECTIVE Establish the short- and long-term cognitive effects of STN-DBS in PD. METHODS Both the short-term and long-term effects of STN-DBS on cognition were examined through evaluation of the controlled studies that compared patients with STN-DBS to unoperated PD patients, thus controlling for illness progression. We also reviewed the literature to identify the factors that influence cognitive outcome of STN-DBS in PD. RESULTS The meta-analysis of the short-term cognitive effects of STN-DBS revealed moderate effect sizes for semantic and phonemic verbal fluency and small effect sizes for psychomotor speed and language, indicating greater decline in the STN-DBS operated than the unoperated patients in these cognitive domains. The longer-term STN-DBS results from controlled studies indicated rates of cognitive decline/dementia up to 32%; which are no different from the rates from the natural progression of PD. Greater executive dysfunction and poorer memory pre-operatively, older age, higher pre-operative doses of levodopa, and greater axial involvement are some of the factors associated with worse cognition after STN-DBS in PD. CONCLUSION This evidence can be used to inform patients and their families about the short-term and long-term risks of cognitive decline following STN-DBS surgery and aid the team in selection of suitable candidates for surgery.
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Affiliation(s)
- Marjan Jahanshahi
- Unit of Functional Neurosurgery, Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology & Neurosurgery, London, UK
| | - Friederike Leimbach
- Unit of Functional Neurosurgery, Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology & Neurosurgery, London, UK
| | - Vishal Rawji
- Unit of Functional Neurosurgery, Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology & Neurosurgery, London, UK
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Munoz F, Meaney A, Gross A, Liu K, Pouliopoulos AN, Liu D, Konofagou EE, Ferrera VP. Long term study of motivational and cognitive effects of low-intensity focused ultrasound neuromodulation in the dorsal striatum of nonhuman primates. Brain Stimul 2022; 15:360-372. [PMID: 35092823 PMCID: PMC9419899 DOI: 10.1016/j.brs.2022.01.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 01/18/2022] [Accepted: 01/24/2022] [Indexed: 12/20/2022] Open
Abstract
Noninvasive brain stimulation using transcranial focused ultrasound (FUS) has many potential applications as a research and clinical tool, including incorporation into neural prosthetics for cognitive rehabilitation. To develop this technology, it is necessary to evaluate the safety and efficacy of FUS neuromodulation for specific brain targets and cognitive functions. It is also important to test whether repeated long-term application of FUS to deep brain targets improves or degrades behavioral and cognitive function. To this end, we investigated the effects of FUS in the dorsal striatum of nonhuman primates (NHP) performing a visual-motor decision-making task for small or large rewards. Over the course of 2 years, we performed 129 and 147 FUS applications, respectively, in two NHP. FUS (0.5 MHz @ 0.2-0.8 MPa) was applied to the putamen and caudate in both hemispheres to evaluate the effects on movement accuracy, motivation, decision accuracy, and response time. Sonicating the caudate or the putamen unilaterally resulted in modest but statistically significant improvements in motivation and decision accuracy, but at the cost of slower reaction times. The effects were dose (i.e., FUS pressure) and reward dependent. There was no effect on reaching accuracy, nor was there long-term behavioral impairment or neurological trauma evident on T1-weighted, T2-weighted, or susceptibility-weighted MRI scans. Sonication also resulted in significant changes in resting state functional connectivity between the caudate and multiple cortical regions. The results indicate that applying FUS to the dorsal striatum can positively impact the motivational and cognitive aspects of decision making. The capability of FUS to improve motivation and cognition in NHPs points to its therapeutic potential in treating a wide variety of human neural diseases, and warrants further development as a novel technique for non-invasive deep brain stimulation.
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Affiliation(s)
- F Munoz
- Dept. of Neuroscience, Columbia University, United States; Zuckerman Mind Brain Behavior Institute, Columbia University, United States.
| | - A Meaney
- Zuckerman Mind Brain Behavior Institute, Columbia University
| | | | - K Liu
- Dept. of Biomedical Engineering, Columbia University
| | | | - D Liu
- Dept. of Neuroscience, Columbia University,Zuckerman Mind Brain Behavior Institute, Columbia University
| | - EE Konofagou
- Dept. of Biomedical Engineering, Columbia University,Dept. of Radiology, Columbia University
| | - VP Ferrera
- Dept. of Neuroscience, Columbia University,Zuckerman Mind Brain Behavior Institute, Columbia University,Dept. of Psychiatry, Columbia University
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Principles of Brain and Emotion: Beyond the Cortico-Centric Bias. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1378:13-24. [DOI: 10.1007/978-3-030-99550-8_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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48
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Saleh C, Meyer A, Chaturvedi M, Beltrani S, Gschwandtner U, Fuhr P. Does Quantitative Electroencephalography Refine Preoperative Cognitive Assessment in Parkinson's Disease Patients Treated with Deep Brain Stimulation? A Follow-Up Study. Dement Geriatr Cogn Disord 2021; 50:349-356. [PMID: 34569496 DOI: 10.1159/000519053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/30/2021] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Deep brain stimulation (DBS) in Parkinson's disease (PD) is associated with an increased risk of post-operative cognitive deterioration. Preoperative neuropsychological testing can be affected and limited by the patient's collaboration in advanced disease. The purpose of this study was to determine whether preoperative quantitative electroencephalography (qEEG) may be a useful complementary examination technique during preoperative assessment to predict cognitive changes in PD patients treated with DBS. METHODS We compared the cognitive performance of 16 PD patients who underwent bilateral subthalamic nucleus DBS to the performance of 15 PD controls (matched for age, sex, and education) at baseline and at 24 months. Cognitive scores were calculated for all patients across 5 domains. A preoperative 256-channel resting EEG was recorded from each patient. We computed the global relative power spectra. Correlation and linear regression models were used to assess associations of preoperative EEG measures with post-operative cognitive scores. RESULTS Slow waves (relative delta and theta band power) were negatively correlated with post-operative cognitive performance, while faster waves (alpha 1) were strongly positively correlated with the same scores (the overall cognitive score, attention, and executive function). Linear models revealed an association of delta power with the overall cognitive score (p = 0.00409, adjusted R2 = 0.6341). Verbal fluency (VF) showed a significant decline after DBS surgery, which was correlated with qEEG measures. CONCLUSIONS To analyse the side effects after DBS in PD patients, the most important parameter is verbal fluency capacity. In addition, correlation with EEG frequency bands might be useful to detect particularly vulnerable patients for cognitive impairment and be supportive in the selection process of patients considered for DBS.
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Affiliation(s)
- Christian Saleh
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
| | - Antonia Meyer
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
| | - Menorca Chaturvedi
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
| | - Selina Beltrani
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
| | - Ute Gschwandtner
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
| | - Peter Fuhr
- Department of Neurophysiology and Neurology, University Hospital Basel, Basel, Switzerland
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Kübler D, Wellmann SK, Kaminski J, Skowronek C, Schneider GH, Neumann WJ, Ritter K, Kühn A. Nucleus basalis of Meynert predicts cognition after deep brain stimulation in Parkinson's disease. Parkinsonism Relat Disord 2021; 94:89-95. [PMID: 34896929 DOI: 10.1016/j.parkreldis.2021.12.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 11/29/2021] [Accepted: 12/05/2021] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Subthalamic DBS in Parkinson's disease has been associated with cognitive decline in few cases. Volume reduction of the nucleus basalis of Meynert (NBM) seems to precede cognitive impairment in Parkinson's disease. In this retrospective study, we evaluated NBM volume as a predictor of cognitive outcome 1 year after subthalamic DBS. METHODS NBM volumes were calculated from preoperative MRIs using voxel-based morphometry. Cognitive outcome was defined as the relative change of MMSE or DemTect scores from pre-to 1 year postoperatively. A multiple linear regression analysis adjusted for the number of cognitive domains affected in the preoperative neuropsychological testing and UPDRS III was conducted. To account for other variables and potential non-linear effects, an additional machine learning analysis using random forests was applied. RESULTS 55 patients with Parkinson's disease (39 male, age 61.4 ± 7.5 years, disease duration 10.8 ± 4.7 years) who received bilateral subthalamic DBS electrodes at our center were included. Although overall cognition did not change significantly, individual change in cognitive abilities was variable. Cognitive outcome could be predicted based on NBM size (B = 208.98, p = 0.022*) in the regression model (F(3,49) = 2.869; R2 of 0.149; p = 0.046*). Using random forests with more variables, cognitive outcome could also be predicted (average root mean squared error between predicted and true cognitive change 11.28 ± 9.51, p = 0.039*). Also in this model, NBM volume was the most predictive variable. CONCLUSION NBM volume can be used as a simple non-invasive predictor for cognitive outcome after DBS in Parkinson's disease, especially when combined with other clinical parameters that are prognostically relevant.
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Affiliation(s)
- Dorothee Kübler
- Movement Disorder and Neuromodulation Unit, Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany.
| | - Sophie Katharina Wellmann
- Movement Disorder and Neuromodulation Unit, Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Jakob Kaminski
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Cornelia Skowronek
- Movement Disorder and Neuromodulation Unit, Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Gerd-Helge Schneider
- Department of Neurosurgery, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Wolf-Julian Neumann
- Movement Disorder and Neuromodulation Unit, Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany
| | - Kerstin Ritter
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany; Berlin Center for Advanced Neuroimaging, Bernstein Center for Computational Neuroscience, Berlin, Germany
| | - Andrea Kühn
- Movement Disorder and Neuromodulation Unit, Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Germany; Berlin Center for Advanced Neuroimaging, Bernstein Center for Computational Neuroscience, Berlin, Germany; Exzellenzcluster NeuroCure, Charité - Universitätsmedizin Berlin, Berlin, Germany; Berlin School of Mind and Brain, Humboldt - Universität zu Berlin, Berlin, Germany; Deutsches Zentrum für Neurodegenerative Erkrankungen, Berlin, Germany
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Abstract
PURPOSE OF REVIEW Subcortical structures have long been thought to play a role in language processing. Increasingly spirited debates on language studies, arising from as early as the nineteenth century, grew remarkably sophisticated as the years pass. In the context of non-thalamic aphasia, a few theoretical frameworks have been laid out. The disconnection hypothesis postulates that basal ganglia insults result in aphasia due to a rupture of connectivity between Broca and Wernicke's areas. A second viewpoint conjectures that the basal ganglia would more directly partake in language processing, and a third stream proclaims that aphasia would stem from cortical deafferentation. On the other hand, thalamic aphasia is more predominantly deemed as a resultant of diaschisis. This article reviews the above topics with recent findings on deep brain stimulation, neurophysiology, and aphasiology. RECENT FINDINGS The more recent approach conceptualizes non-thalamic aphasias as the offspring of unpredictable cortical hypoperfusion. Regarding the thalamus, there is mounting evidence now pointing to leading contributions of the pulvinar/lateral posterior nucleus and the anterior/ventral anterior thalamus to language disturbances. While the former appears to relate to lexical-semantic indiscrimination, the latter seems to bring about a severe breakdown in word selection and/or spontaneous top-down lexical-semantic operations. The characterization of subcortical aphasias and the role of the basal ganglia and thalamus in language processing continues to pose a challenge. Neuroimaging studies have pointed a path forward, and we believe that more recent methods such as tractography and connectivity studies will significantly expand our knowledge in this particular area of aphasiology.
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