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Honkanen EA, Rönkä J, Pekkonen E, Aaltonen J, Koivu M, Eskola O, Eldebakey H, Volkmann J, Kaasinen V, Reich MM, Joutsa J. GPi-DBS-induced brain metabolic activation in cervical dystonia. J Neurol Neurosurg Psychiatry 2024; 95:300-308. [PMID: 37758453 DOI: 10.1136/jnnp-2023-331668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 09/06/2023] [Indexed: 10/03/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS) of the globus pallidus interna (GPi) is a highly efficacious treatment for cervical dystonia, but its mechanism of action is not fully understood. Here, we investigate the brain metabolic effects of GPi-DBS in cervical dystonia. METHODS Eleven patients with GPi-DBS underwent brain 18F-fluorodeoxyglucose positron emission tomography imaging during stimulation on and off. Changes in regional brain glucose metabolism were investigated at the active contact location and across the whole brain. Changes in motor symptom severity were quantified using the Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS), executive function using trail making test (TMT) and parkinsonism using Unified Parkinson's Disease Rating Scale (UPDRS). RESULTS The mean (SD) best therapeutic response to DBS during the treatment was 81 (22)%. The TWSTRS score was 3.2 (3.9) points lower DBS on compared with off (p=0.02). At the stimulation site, stimulation was associated with increased metabolism, which correlated with DBS stimulation amplitude (r=0.70, p=0.03) but not with changes in motor symptom severity (p>0.9). In the whole brain analysis, stimulation increased metabolism in the GPi, subthalamic nucleus, putamen, primary sensorimotor cortex (PFDR<0.05). Acute improvement in TWSTRS correlated with metabolic activation in the sensorimotor cortex and overall treatment response in the supplementary motor area. Worsening of TMT-B score was associated with activation of the anterior cingulate cortex and parkinsonism with activation in the putamen. CONCLUSIONS GPi-DBS increases metabolic activity at the stimulation site and sensorimotor network. The clinical benefit and adverse effects are mediated by modulation of specific networks.
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Affiliation(s)
- Emma A Honkanen
- Neurocenter, Turku University Hospital, Turku, Finland
- Turku Brain and Mind Center, Clinical Neurosciences, University of Turku, Turku, Finland
- Department of Neurology, Satasairaala Central Hospital, Pori, Finland
- Turku PET Centre, Turku University Hospital, Turku, Finland
| | - Jaana Rönkä
- Neurocenter, Turku University Hospital, Turku, Finland
- Clinical Neurosciences, University of Turku, Turku, Finland
| | - Eero Pekkonen
- Department of Neurology, Helsinki University Hospital, Helsinki, Finland
| | - Juho Aaltonen
- Turku Brain and Mind Center, Clinical Neurosciences, University of Turku, Turku, Finland
| | - Maija Koivu
- Department of Neurology, Helsinki University Hospital, Helsinki, Finland
| | - Olli Eskola
- Turku PET Centre, Turku University Hospital, Turku, Finland
| | - Hazem Eldebakey
- Department of Neurology, University Hospital Wurzburg, Wurzburg, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital Wurzburg, Wurzburg, Germany
| | - Valtteri Kaasinen
- Neurocenter, Turku University Hospital, Turku, Finland
- Clinical Neurosciences, University of Turku, Turku, Finland
| | - Martin M Reich
- Department of Neurology, University Hospital Wurzburg, Wurzburg, Germany
| | - Juho Joutsa
- Neurocenter, Turku University Hospital, Turku, Finland
- Turku Brain and Mind Center, Clinical Neurosciences, University of Turku, Turku, Finland
- Turku PET Centre, Turku University Hospital, Turku, Finland
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Abusrair A, Bruno V. Pregnancy in Generalized Dystonia: A Case of DBS Discontinuation. Can J Neurol Sci 2024; 51:312-313. [PMID: 36503587 DOI: 10.1017/cjn.2022.337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ali Abusrair
- Department of Clinical Neurosciences, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Veronica Bruno
- Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
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Meng H, Wei JH, Yu PZ, Ren JX, Tang MY, Sun JY, Yan XY, Su J. Insights into Advanced Neurological Dysfunction Mechanisms Following DBS Surgery in Parkinson's Patients: Neuroinflammation and Pyroptosis. Curr Issues Mol Biol 2023; 45:4480-4494. [PMID: 37232753 DOI: 10.3390/cimb45050284] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/17/2023] [Accepted: 05/17/2023] [Indexed: 05/27/2023] Open
Abstract
Parkinson's disease is a severe neurodegenerative disorder. Currently, deep brain electrical stimulation (DBS) is the first line of surgical treatment. However, serious neurological impairments such as speech disorders, disturbances of consciousness, and depression after surgery limit the efficacy of treatment. In this review, we summarize the recent experimental and clinical studies that have explored the possible causes of neurological deficits after DBS. Furthermore, we tried to identify clues from oxidative stress and pathological changes in patients that could lead to the activation of microglia and astrocytes in DBS surgical injury. Notably, reliable evidence supports the idea that neuroinflammation is caused by microglia and astrocytes, which may contribute to caspase-1 pathway-mediated neuronal pyroptosis. Finally, existing drugs and treatments may partially ameliorate the loss of neurological function in patients following DBS surgery by exerting neuroprotective effects.
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Affiliation(s)
- Hao Meng
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Jia-Hang Wei
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Peng-Zheng Yu
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Jia-Xin Ren
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Meng-Yao Tang
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Jun-Yi Sun
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Xiao-Yu Yan
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Jing Su
- Department of Pathophysiology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
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Deep brain stimulation in dystonia: factors contributing to variability in outcome in short and long term follow-up. Curr Opin Neurol 2022; 35:510-517. [PMID: 35787538 DOI: 10.1097/wco.0000000000001072] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW Deep brain stimulation (DBS) is currently the most effective treatment for medically refractory dystonia with globus pallidus internus (GPi) usually the preferred target. Despite the overall success of DBS in dystonia, there remains variability in treatment outcome in both short and long-term follow-up, due to various factors. Factors contributing to variability in outcome comprise 'Dystonia Related' including dystonia classification, semiology, duration, body distribution, orthopaedic deformity, aetiology and genetic cause. The majority of these factors are identifiable from clinical assessment, brain MRI and genetic testing, and therefore merit careful preoperative consideration. 'DBS related' factors include brain target, accuracy of lead placement, stimulation parameters, time allowed for response, neurostimulation technology employed and DBS induced side-effects. In this review, factors contributing to variability in short and long-term dystonia DBS outcome are reviewed and discussed. RECENT FINDINGS The recognition of differential DBS benefit in monogenic dystonia, increasing experience with subthalamic nucleus (STN) DBS and in DBS for Meige syndrome, elucidation of DBS side effects and novel neurophysiological and imaging techniques to assist in predicting clinical outcome. SUMMARY Improved understanding of factors contributing to variability of DBS outcome in dystonia may assist in patient selection and predicting surgical outcomes.
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Lange F, Roothans J, Wichmann T, Gelbrich G, Röser C, Volkmann J, Reich M. DIPS (Dystonia Image-based Programming of Stimulation: a prospective, randomized, double-blind crossover trial). Neurol Res Pract 2021; 3:65. [PMID: 34924027 PMCID: PMC8686267 DOI: 10.1186/s42466-021-00165-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 11/30/2022] Open
Abstract
Introduction Deep brain stimulation of the internal globus pallidus is an effective treatment for dystonia. However, there is a large variability in clinical outcome with up to 25% non-responders even in highly selected primary dystonia patients. In a large cohort of patients we recently demonstrated that the variable clinical outcomes of pallidal DBS for dystonia may result to a large degree by the exact location and stimulation volume within the pallidal region. Here we test a novel approach of programing based on these insights: we first defined probabilistic maps of anti-dystonic effects by aggregating individual electrode locations and volumes of tissue activated of > 80 patients collected in a multicentre effort. We subsequently modified the algorithms to be able to test all possible stimulation settings of de novo patients in silico based on the expected clinical outcome and thus potentially predict the best possible stimulation parameters for the individual patients. Methods Within the framework of a BMBF-funded study, this concept of a computer-based prediction of optimal stimulation parameters for patients with dystonia will be tested in a randomized, controlled crossover study. The main parameter for clinical efficacy and primary endpoint is based on the blinded physician rating of dystonia severity reflected by Clinical Dystonia Rating Scales for both interventions (best clinical settings and model predicted settings) after 4 weeks of continuous stimulation. The primary endpoint is defined as “successful treatment with model predicted settings” (yes or no). The value is “yes” if the motor symptoms with model predicted settings are equal or better (tolerance 5% of absolute difference in percentages) to clinical settings. Secondary endpoints will include measures of quality of life, calculated energy consumption of the neurostimulation system and physician time for programming. Perspective We envision, that computer-guided deep brain stimulation programming in silico might provide optimal stimulation settings for patients with dystonia without the burden of months of programming sessions. The study protocol is designed to evaluate which programming method is more effective in controlling motor symptom severity and improving quality of life in dystonia (best clinical settings and model predicted settings). Trial registration Registered with ClinicalTrials.gov on Oct 27, 2021 (NCT05097001).
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Affiliation(s)
- Florian Lange
- Department of Neurology, University Hospital and Julius Maximilian University, Josef-Schneider-Straße 11, 97080, Würzburg, Germany.
| | - Jonas Roothans
- Department of Neurology, University Hospital and Julius Maximilian University, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Tim Wichmann
- Department of Neurology, University Hospital and Julius Maximilian University, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Götz Gelbrich
- Institute for Clinical Epidemiology and Biometry (ICE-B) at the University of Würzburg, Josef-Schneider-Straße 2, 97080, Würzburg, Germany.,Clinical Trial Center (CTC) at the University of Würzburg, Josef-Schneider-Straße 2, 97080, Würzburg, Germany
| | - Christoph Röser
- Clinical Trial Center (CTC) at the University of Würzburg, Josef-Schneider-Straße 2, 97080, Würzburg, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital and Julius Maximilian University, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
| | - Martin Reich
- Department of Neurology, University Hospital and Julius Maximilian University, Josef-Schneider-Straße 11, 97080, Würzburg, Germany
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Trenado C, Cif L, Pedroarena-Leal N, Ruge D. Electrophysiological Signature and the Prediction of Deep Brain Stimulation Withdrawal and Insertion Effects. Front Neurol 2021; 12:754701. [PMID: 34917015 PMCID: PMC8669963 DOI: 10.3389/fneur.2021.754701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/18/2021] [Indexed: 11/15/2022] Open
Abstract
Deep brain stimulation (DBS) serves as a treatment for neurological and psychiatric disorders, such as Parkinson's disease (PD), essential tremor, dystonia, Tourette Syndrome (GTS), Huntington's disease, and obsessive-compulsive disorder (OCD). There is broad experience with the short-term effects of DBS in individual diseases and their signs/symptoms. However, even in acute treatment and for the same disorder or a given disorder, a prediction of effect is not perfect. Even further, the factors that influence the long-term effect of DBS and its withdrawal are hardly characterized. In this work, we aim to shed light on an important topic, the question of “DBS dependency.” To address this, we make use of the Kuramoto model of phase synchronization (oscillation feature) endowed with neuroplasticity to study the effects of DBS under successive withdrawals and renewals of neuromodulation as well as influence of treatment duration in de novo DBS “patients.” The results of our simulation show that the characteristics of neuroplasticity have a profound effect on the stability and mutability of oscillation synchronization patterns across successive withdrawal and renewal of DBS in chronic “patients” and also in de novo DBS “patients” with varying duration of treatment (here referred to as the “number of iterations”). Importantly, the results demonstrate the strong effect of the individual neuroplasticity makeup on the behavior of synchrony of oscillatory activity that promotes certain disorder/disease states or symptoms. The effect of DBS-mediated neuromodulation and withdrawal is highly dependent on the makeup of the neuroplastic signature of a disorder or an individual.
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Affiliation(s)
- Carlos Trenado
- Laboratoire de Recherche en Neurosciences Cliniques, LRENC, Montpellier, France
| | - Laura Cif
- Département de Neurochirurgie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
| | | | - Diane Ruge
- Laboratoire de Recherche en Neurosciences Cliniques, LRENC, Montpellier, France
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Li H, Wu Y, Pan Y, Huang P, Wang T, Zhang C, Li D, Wu Y, Sun B. Sustained relief after cessation of subthalamic stimulation for idiopathic dystonia: A 14-year observation. Brain Stimul 2021; 14:938-940. [PMID: 34116266 DOI: 10.1016/j.brs.2021.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 05/30/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022] Open
Affiliation(s)
- Hongxia Li
- Department of Neurology & Institute of Neurology, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yunhao Wu
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yixin Pan
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Peng Huang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tao Wang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chencheng Zhang
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dianyou Li
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiwen Wu
- Department of Neurology & Institute of Neurology, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Bomin Sun
- Department of Neurosurgery, Center for Functional Neurosurgery, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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