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Cernera S, Long S, Kelberman M, Hegland KW, Hicks J, Smith-Hublou M, Taylor B, Mou Y, de Hemptinne C, Johnson KA, Cagle JN, Moore K, Foote KD, Okun MS, Gunduz A. Responsive Versus Continuous Deep Brain Stimulation for Speech in Essential Tremor: A Pilot Study. Mov Disord 2024. [PMID: 38877761 DOI: 10.1002/mds.29865] [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: 01/10/2024] [Revised: 03/25/2024] [Accepted: 05/10/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND Responsive deep brain stimulation (rDBS) uses physiological signals to deliver stimulation when needed. rDBS is hypothesized to reduce stimulation-induced speech effects associated with continuous DBS (cDBS) in patients with essential tremor (ET). OBJECTIVE To determine if rDBS reduces cDBS speech-related side effects while maintaining tremor suppression. METHODS Eight ET participants with thalamic DBS underwent unilateral rDBS. Both speech evaluations and tremor severity were assessed across three conditions (DBS OFF, cDBS ON, and rDBS ON). Speech was analyzed using intelligibility ratings. Tremor severity was scored using the Fahn-Tolosa-Marin Tremor Rating Scale (TRS). RESULTS During unilateral cDBS, participants experienced reduced speech intelligibility (P = 0.025) compared to DBS OFF. rDBS was not associated with a deterioration of intelligibility. Both rDBS (P = 0.026) and cDBS (P = 0.038) improved the contralateral TRS score compared to DBS OFF. CONCLUSIONS rDBS maintained speech intelligibility without loss of tremor suppression. A larger prospective chronic study of rDBS in ET is justified. © 2024 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Stephanie Cernera
- J. Crayton Pruitt Department of Biomedical Engineering, Gainesville, Florida, USA
| | - Sarah Long
- J. Crayton Pruitt Department of Biomedical Engineering, Gainesville, Florida, USA
| | - Madison Kelberman
- J. Crayton Pruitt Department of Biomedical Engineering, Gainesville, Florida, USA
| | - Karen W Hegland
- Department of Speech, Language, and Hearing Sciences, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Julie Hicks
- Department of Neurologic Rehabilitation, Stanford Neuroscience Health Center, Palo Alto, California, USA
| | - May Smith-Hublou
- Department of Speech, Language, and Hearing Sciences, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Bryn Taylor
- Department of Speech, Language, and Hearing Sciences, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Yuhan Mou
- Department of Speech, Language, and Hearing Sciences, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Coralie de Hemptinne
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Kara A Johnson
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Jackson N Cagle
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Kathryn Moore
- Department of Neurology, Duke University, Durham, North Carolina, USA
| | - Kelly D Foote
- Department of Neurosurgery, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Michael S Okun
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
| | - Aysegul Gunduz
- J. Crayton Pruitt Department of Biomedical Engineering, Gainesville, Florida, USA
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, Gainesville, Florida, USA
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Patrick EE, Fleeting CR, Patel DR, Casauay JT, Patel A, Shepherd H, Wong JK. Modeling the volume of tissue activated in deep brain stimulation and its clinical influence: a review. Front Hum Neurosci 2024; 18:1333183. [PMID: 38660012 PMCID: PMC11039793 DOI: 10.3389/fnhum.2024.1333183] [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: 11/04/2023] [Accepted: 03/26/2024] [Indexed: 04/26/2024] Open
Abstract
Deep brain stimulation (DBS) is a neuromodulatory therapy that has been FDA approved for the treatment of various disorders, including but not limited to, movement disorders (e.g., Parkinson's disease and essential tremor), epilepsy, and obsessive-compulsive disorder. Computational methods for estimating the volume of tissue activated (VTA), coupled with brain imaging techniques, form the basis of models that are being generated from retrospective clinical studies for predicting DBS patient outcomes. For instance, VTA models are used to generate target-and network-based probabilistic stimulation maps that play a crucial role in predicting DBS treatment outcomes. This review defines the methods for calculation of tissue activation (or modulation) including ones that use heuristic and clinically derived estimates and more computationally involved ones that rely on finite-element methods and biophysical axon models. We define model parameters and provide a comparison of commercial, open-source, and academic simulation platforms available for integrated neuroimaging and neural activation prediction. In addition, we review clinical studies that use these modeling methods as a function of disease. By describing the tissue-activation modeling methods and highlighting their application in clinical studies, we provide the neural engineering and clinical neuromodulation communities with perspectives that may influence the adoption of modeling methods for future DBS studies.
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Affiliation(s)
- Erin E. Patrick
- Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL, United States
| | - Chance R. Fleeting
- College of Medicine, University of Florida, Gainesville, FL, United States
| | - Drashti R. Patel
- College of Medicine, University of Florida, Gainesville, FL, United States
| | - Jed T. Casauay
- College of Medicine, University of Florida, Gainesville, FL, United States
| | - Aashay Patel
- College of Medicine, University of Florida, Gainesville, FL, United States
| | - Hunter Shepherd
- College of Medicine, University of Florida, Gainesville, FL, United States
| | - Joshua K. Wong
- Department of Neurology, Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, United States
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3
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Martinez-Nunez AE, Sarmento FP, Chandra V, Hess CW, Hilliard JD, Okun MS, Wong JK. Management of essential tremor deep brain stimulation-induced side effects. Front Hum Neurosci 2024; 18:1353150. [PMID: 38454907 PMCID: PMC10918853 DOI: 10.3389/fnhum.2024.1353150] [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: 12/10/2023] [Accepted: 02/01/2024] [Indexed: 03/09/2024] Open
Abstract
Deep brain stimulation (DBS) is an effective surgical therapy for carefully selected patients with medication refractory essential tremor (ET). The most popular anatomical targets for ET DBS are the ventral intermedius nucleus (VIM) of the thalamus, the caudal zona incerta (cZI) and the posterior subthalamic area (PSA). Despite extensive knowledge in DBS programming for tremor suppression, it is not uncommon to experience stimulation induced side effects related to DBS therapy. Dysarthria, dysphagia, ataxia, and gait impairment are common stimulation induced side effects from modulation of brain tissue that surround the target of interest. In this review, we explore current evidence about the etiology of stimulation induced side effects in ET DBS and provide several evidence-based strategies to troubleshoot, reprogram and retain tremor suppression.
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Affiliation(s)
- Alfonso Enrique Martinez-Nunez
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
- Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Filipe P. Sarmento
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
| | - Vyshak Chandra
- Department of Neurosurgery, University of Florida, Gainesville, FL, United States
| | - Christopher William Hess
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
- Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Justin David Hilliard
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
- Department of Neurosurgery, University of Florida, Gainesville, FL, United States
| | - Michael S. Okun
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
- Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Joshua K. Wong
- Norman Fixel Institute for Neurological Diseases, Gainesville, FL, United States
- Department of Neurology, University of Florida, Gainesville, FL, United States
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4
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Brinda A, Slopsema JP, Butler RD, Ikramuddin S, Beall T, Guo W, Chu C, Patriat R, Braun H, Goftari M, Palnitkar T, Aman J, Schrock L, Cooper SE, Matsumoto J, Vitek JL, Harel N, Johnson MD. Lateral cerebellothalamic tract activation underlies DBS therapy for Essential Tremor. Brain Stimul 2023; 16:445-455. [PMID: 36746367 PMCID: PMC10200026 DOI: 10.1016/j.brs.2023.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 01/17/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND While deep brain stimulation (DBS) therapy can be effective at suppressing tremor in individuals with medication-refractory Essential Tremor, patient outcome variability remains a significant challenge across centers. Proximity of active electrodes to the cerebellothalamic tract (CTT) is likely important in suppressing tremor, but how tremor control and side effects relate to targeting parcellations within the CTT and other pathways in and around the ventral intermediate (VIM) nucleus of thalamus remain unclear. METHODS Using ultra-high field (7T) MRI, we developed high-dimensional, subject-specific pathway activation models for 23 directional DBS leads. Modeled pathway activations were compared with post-hoc analysis of clinician-optimized DBS settings, paresthesia thresholds, and dysarthria thresholds. Mixed-effect models were utilized to determine how the six parcellated regions of the CTT and how six other pathways in and around the VIM contributed to tremor suppression and induction of side effects. RESULTS The lateral portion of the CTT had the highest activation at clinical settings (p < 0.05) and a significant effect on tremor suppression (p < 0.001). Activation of the medial lemniscus and posterior-medial CTT was significantly associated with severity of paresthesias (p < 0.001). Activation of the anterior-medial CTT had a significant association with dysarthria (p < 0.05). CONCLUSIONS This study provides a detailed understanding of the fiber pathways responsible for therapy and side effects of DBS for Essential Tremor, and suggests a model-based programming approach will enable more selective activation of lateral fibers within the CTT.
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Affiliation(s)
- AnneMarie Brinda
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Julia P Slopsema
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Rebecca D Butler
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Salman Ikramuddin
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Thomas Beall
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - William Guo
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Cong Chu
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Remi Patriat
- Department of Radiology, CMRR, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Henry Braun
- Department of Radiology, CMRR, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Mojgan Goftari
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Tara Palnitkar
- Department of Radiology, CMRR, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Joshua Aman
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Lauren Schrock
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Scott E Cooper
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Joseph Matsumoto
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Jerrold L Vitek
- Department of Neurology, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Noam Harel
- Department of Radiology, CMRR, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Matthew D Johnson
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, 55455, USA; Institute for Translational Neuroscience, University of Minnesota, Minneapolis, MN, 55455, USA.
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Li N, Hollunder B, Baldermann JC, Kibleur A, Treu S, Akram H, Al-Fatly B, Strange BA, Barcia JA, Zrinzo L, Joyce EM, Chabardes S, Visser-Vandewalle V, Polosan M, Kuhn J, Kühn AA, Horn A. A Unified Functional Network Target for Deep Brain Stimulation in Obsessive-Compulsive Disorder. Biol Psychiatry 2021; 90:701-713. [PMID: 34134839 DOI: 10.1016/j.biopsych.2021.04.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 12/25/2022]
Abstract
BACKGROUND Multiple deep brain stimulation (DBS) targets have been proposed for treating intractable obsessive-compulsive disorder (OCD). Here, we investigated whether stimulation effects of different target sites would be mediated by one common or several segregated functional brain networks. METHODS First, seeding from active electrodes of 4 OCD patient cohorts (N = 50) receiving DBS to anterior limb of the internal capsule or subthalamic nucleus zones, optimal functional connectivity profiles for maximal Yale-Brown Obsessive Compulsive Scale improvements were calculated and cross-validated in leave-one-cohort-out and leave-one-patient-out designs. Second, we derived optimal target-specific connectivity patterns to determine brain regions mutually predictive of clinical outcome for both targets and others predictive for either target alone. Functional connectivity was defined using resting-state functional magnetic resonance imaging data acquired in 1000 healthy participants. RESULTS While optimal functional connectivity profiles showed both commonalities and differences between target sites, robust cross-predictions of clinical improvements across OCD cohorts and targets suggested a shared network. Connectivity to the anterior cingulate cortex, insula, and precuneus, among other regions, was predictive regardless of stimulation target. Regions with maximal connectivity to these commonly predictive areas included the insula, superior frontal gyrus, anterior cingulate cortex, and anterior thalamus, as well as the original stereotactic targets. CONCLUSIONS Pinpointing the network modulated by DBS for OCD from different target sites identified a set of brain regions to which DBS electrodes associated with optimal outcomes were functionally connected-regardless of target choice. On these grounds, we establish potential brain areas that could prospectively inform additional or alternative neuromodulation targets for obsessive-compulsive disorder.
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Affiliation(s)
- Ningfei Li
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Berlin, Germany.
| | - Barbara Hollunder
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Berlin, Germany; Charité - Universitätsmedizin Berlin, Einstein Center for Neurosciences Berlin, Berlin, Germany; Berlin School of Mind and Brain, Faculty of Philosophy, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Juan Carlos Baldermann
- Department of Neurology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne; Department of Psychiatry and Psychotherapy, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Astrid Kibleur
- Univ. Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut des Neurosciences (AK, SC, MP), Grenoble; and OpenMind Innovation (AK), Paris, France; OpenMind Innovation, Paris, France
| | - Svenja Treu
- Laboratory for Clinical Neuroscience, Centre for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain
| | - Harith Akram
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom; National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Trust (UCLH), London, United Kingdom
| | - Bassam Al-Fatly
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Berlin, Germany
| | - Bryan A Strange
- Laboratory for Clinical Neuroscience, Centre for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain
| | - Juan A Barcia
- Neurosurgery Department, Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - Ludvic Zrinzo
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom; National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Trust (UCLH), London, United Kingdom
| | - Eileen M Joyce
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, United Kingdom; National Hospital for Neurology and Neurosurgery, University College London Hospitals NHS Trust (UCLH), London, United Kingdom
| | - Stephan Chabardes
- Univ. Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut des Neurosciences (AK, SC, MP), Grenoble; and OpenMind Innovation (AK), Paris, France
| | | | - Mircea Polosan
- Univ. Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut des Neurosciences (AK, SC, MP), Grenoble; and OpenMind Innovation (AK), Paris, France
| | - Jens Kuhn
- Department of Psychiatry and Psychotherapy, Faculty of Medicine and University Hospital Cologne, Cologne, Germany; Department of Psychiatry, Psychotherapy and Psychosomatics, Johanniter Hospital Oberhausen, Evangelisches Klinikum Niederrhein, Oberhausen, Germany
| | - Andrea A Kühn
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Berlin, Germany; Charité - Universitätsmedizin Berlin, Einstein Center for Neurosciences Berlin, Berlin, Germany; Berlin School of Mind and Brain, Faculty of Philosophy, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Andreas Horn
- Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Movement Disorders and Neuromodulation Unit, Department of Neurology, Berlin, Germany; Charité - Universitätsmedizin Berlin, Einstein Center for Neurosciences Berlin, Berlin, Germany
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