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Anderson W, Ponce FA, Kinsman MJ, Sani S, Hwang B, Ghinda D, Kogan M, Mahoney JM, Amin DB, Van Horn M, McGuckin JP, Razo-Castaneda D, Bucklen BS. Robotic-Assisted Navigation for Stereotactic Neurosurgery: A Cadaveric Investigation of Accuracy, Time, and Radiation. Oper Neurosurg (Hagerstown) 2023; 26:01787389-990000000-00991. [PMID: 38054727 PMCID: PMC11008650 DOI: 10.1227/ons.0000000000001024] [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: 08/14/2023] [Accepted: 10/18/2023] [Indexed: 12/07/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Despite frequent use, stereotactic head frames require manual coordinate calculations and manual frame settings that are associated with human error. This study examines freestanding robot-assisted navigation (RAN) as a means to reduce the drawbacks of traditional cranial stereotaxy and improve targeting accuracy. METHODS Seven cadaveric human torsos with heads were tested with 8 anatomic coordinates selected for lead placement mirrored in each hemisphere. Right and left hemispheres of the brain were randomly assigned to either the traditional stereotactic arc-based (ARC) group or the RAN group. Both target accuracy and trajectory accuracy were measured. Procedural time and the radiation required for registration were also measured. RESULTS The accuracy of the RAN group was significantly greater than that of the ARC group in both target (1.2 ± 0.5 mm vs 1.7 ± 1.2 mm, P = .005) and trajectory (0.9 ± 0.6 mm vs 1.3 ± 0.9 mm, P = .004) measurements. Total procedural time was also significantly faster for the RAN group than for the ARC group (44.6 ± 7.7 minutes vs 86.0 ± 12.5 minutes, P < .001). The RAN group had significantly reduced time per electrode placement (2.9 ± 0.9 minutes vs 5.8 ± 2.0 minutes, P < .001) and significantly reduced radiation during registration (1.9 ± 1.1 mGy vs 76.2 ± 5.0 mGy, P < .001) compared with the ARC group. CONCLUSION In this cadaveric study, cranial leads were placed faster and with greater accuracy using RAN than those placed with conventional stereotactic arc-based technique. RAN also required significantly less radiation to register the specimen's coordinate system to the planned trajectories. Clinical testing should be performed to further investigate RAN for stereotactic cranial surgery.
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Affiliation(s)
- William Anderson
- Department of Neurosurgery, The Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Francisco A. Ponce
- Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA
| | - Michael J. Kinsman
- Neurosurgery, University of Kansas Medical Center, Kansas City, Kansas, USA
| | - Sepehr Sani
- Department of Neurosurgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Brian Hwang
- Department of Neurosurgery, The Johns Hopkins Hospital, Baltimore, Maryland, USA
- Current Affiliation: Orange County Neurosurgical Associates, Laguna Hills, California, USA
| | - Diana Ghinda
- Department of Neurosurgery, The Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Michael Kogan
- Department of Neurological Surgery, Thomas Jefferson University Hospitals, Philadelphia, Pennsylvania, USA
| | - Jonathan M. Mahoney
- Musculoskeletal Education and Research Center, A Division of Globus Medical, Inc., Audubon, Pennsylvania, USA
| | - Dhara B. Amin
- Musculoskeletal Education and Research Center, A Division of Globus Medical, Inc., Audubon, Pennsylvania, USA
| | - Margaret Van Horn
- Musculoskeletal Education and Research Center, A Division of Globus Medical, Inc., Audubon, Pennsylvania, USA
| | - Joshua P. McGuckin
- Musculoskeletal Education and Research Center, A Division of Globus Medical, Inc., Audubon, Pennsylvania, USA
| | - Dominic Razo-Castaneda
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania, USA
| | - Brandon S. Bucklen
- Musculoskeletal Education and Research Center, A Division of Globus Medical, Inc., Audubon, Pennsylvania, USA
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Fanty L, Yu J, Chen N, Fletcher D, Hey G, Okun M, Wong J. The current state, challenges, and future directions of deep brain stimulation for obsessive compulsive disorder. Expert Rev Med Devices 2023; 20:829-842. [PMID: 37642374 DOI: 10.1080/17434440.2023.2252732] [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: 06/13/2023] [Revised: 07/27/2023] [Accepted: 08/24/2023] [Indexed: 08/31/2023]
Abstract
INTRODUCTION Obsessive-compulsive disorder (OCD) is clinically and pathologically heterogenous, with symptoms often refractory to first-line treatments. Deep brain stimulation (DBS) for the treatment of refractory OCD provides an opportunity to adjust and individualize neuromodulation targeting aberrant circuitry underlying OCD. The tailoring of DBS therapy may allow precision in symptom control based on patient-specific pathology. Progress has been made in understanding the potential targets for DBS intervention; however, a consensus on an optimal target has not been agreed upon. AREAS COVERED A literature review of DBS for OCD was performed by querying the PubMed database. The following topics were covered: the evolution of DBS targeting in OCD, the concept of an underlying unified connectomic network, current DBS targets, challenges facing the field, and future directions which could advance personalized DBS in this challenging population. EXPERT OPINION To continue the increasing efficacy of DBS for OCD, we must further explore the optimal DBS response across clinical profiles and neuropsychiatric domains of OCD as well as how interventions targeting multiple points in an aberrant circuit, multiple aberrant circuits, or a connectivity hub impact clinical response. Additionally, biomarkers would be invaluable in programming adjustments and creating a closed-loop paradigm to address symptom fluctuation in daily life.
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Affiliation(s)
- Lauren Fanty
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
| | - Jun Yu
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
| | - Nita Chen
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
| | - Drew Fletcher
- College of Medicine, University of Florida Health Science Center, Gainesville, FL, USA
| | - Grace Hey
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
- College of Medicine, University of Florida Health Science Center, Gainesville, FL, USA
| | - Michael Okun
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
| | - Josh Wong
- Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville, FL, USA
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Johansson JD, Wardell K. DBSim and ELMA - Freeware for Simulations of Deep Brain Stimulation. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2022; 2022:1719-1724. [PMID: 36086324 DOI: 10.1109/embc48229.2022.9871821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Finite Element Method (FEM) simulations of the electric field is a useful tool to estimate the activated tissue around Deep Brain Stimulation (DBS) electrodes. Based on our previous research, a two-part software package named DBSim and ELMA is presented. ELMA is used to classify brain tissue into grey matter, white matter, blood, and cerebrospinal fluid and assign electric conductivities accordingly. This data is then used in DBSim to generate patient-specific simulations of the electric field around currently implemented leads Medtronic 3387 and 3389, and Abbott 6180 and 6181. The software is available for free download at https://liu.se/en/article/ne-downloads Clinical Relevance- This is a tool meant for research and educational purposes for e.g. studies on optimal target areas for DBS.
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Figee M, Riva-Posse P, Choi KS, Bederson L, Mayberg HS, Kopell BH. Deep Brain Stimulation for Depression. Neurotherapeutics 2022; 19:1229-1245. [PMID: 35817944 PMCID: PMC9587188 DOI: 10.1007/s13311-022-01270-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/28/2022] [Indexed: 11/29/2022] Open
Abstract
Deep brain stimulation has been extensively studied as a therapeutic option for treatment-resistant depression (TRD). DBS across different targets is associated with on average 60% response rates in previously refractory chronically depressed patients. However, response rates vary greatly between patients and between studies and often require extensive trial-and-error optimizations of stimulation parameters. Emerging evidence from tractography imaging suggests that targeting combinations of white matter tracts, rather than specific grey matter regions, is necessary for meaningful antidepressant response to DBS. In this article, we review efficacy of various DBS targets for TRD, which networks are involved in their therapeutic effects, and how we can use this information to improve targeting and programing of DBS for individual patients. We will also highlight how to integrate these DBS network findings into developing adaptive stimulation and optimal trial designs.
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Affiliation(s)
- Martijn Figee
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Patricio Riva-Posse
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Georgia, GA, USA
| | - Ki Sueng Choi
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lucia Bederson
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Helen S Mayberg
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Brian H Kopell
- Nash Family Center for Advanced Circuit Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Luyck K, Bervoets C, Deblieck C, Nuttin B, Luyten L. Deep brain stimulation in the bed nucleus of the stria terminalis: A symptom provocation study in patients with obsessive-compulsive disorder. J Psychiatr Res 2022; 151:252-260. [PMID: 35512619 DOI: 10.1016/j.jpsychires.2022.04.031] [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: 01/19/2022] [Revised: 04/22/2022] [Accepted: 04/25/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Deep brain stimulation (DBS) is an emerging therapy for treatment-resistant obsessive-compulsive disorder (OCD), and several targets for electrode implantation and contact selection have been proposed, including the bed nucleus of the stria terminalis (BST). Selecting the active electrode contacts (patients typically have four to choose from in each hemisphere), and thus the main locus of stimulation, can be a taxing process. Here, we investigated whether contact selection based purely on their neuroanatomical position in the BST is a worthwhile approach. For the first time, we also compared the effects of uni- versus bilateral BST stimulation. METHODS Nine OCD patients currently receiving DBS participated in a double-blind, randomized symptom provocation study to compare no versus BST stimulation. Primary outcomes were anxiety and mood ratings in response to disorder-relevant trigger images, as well as ratings of obsessions, compulsions, tendency to avoid and overall wellbeing. Furthermore, we asked whether patients preferred the electrode contacts in the BST over their regular stimulation contacts as a new treatment setting after the end of the task. RESULTS We found no statistically significant group differences between the four conditions (no, left, right and bilateral BST stimulation). Exploratory analyses, as well as follow-up data, did indicate that (bilateral) bipolar stimulation in the BST was beneficial for some patients, particularly for those who had achieved unsatisfactory effects through the typical contact selection procedure. CONCLUSIONS Despite its limitations, this study suggests that selection of stimulation contacts in the BST is a viable option for DBS in treatment-resistant OCD patients.
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Affiliation(s)
- Kelly Luyck
- KU Leuven, Experimental Neurosurgery and Neuroanatomy, Herestraat 49 PB 7003, 3000, Leuven, Belgium; Leuven Brain Institute, Herestraat 49 PB 1021, 3000, Leuven, Belgium
| | - Chris Bervoets
- Leuven Brain Institute, Herestraat 49 PB 1021, 3000, Leuven, Belgium; University Hospitals Leuven, Psychiatry, Campus Gasthuisberg, Herestraat 49, 3000, Leuven, Belgium
| | - Choi Deblieck
- University Hospitals Leuven, Psychiatry, Campus Gasthuisberg, Herestraat 49, 3000, Leuven, Belgium
| | - Bart Nuttin
- KU Leuven, Experimental Neurosurgery and Neuroanatomy, Herestraat 49 PB 7003, 3000, Leuven, Belgium; Leuven Brain Institute, Herestraat 49 PB 1021, 3000, Leuven, Belgium; University Hospitals Leuven, Neurosurgery, Campus Gasthuisberg, Herestraat 49, 3000, Leuven, Belgium
| | - Laura Luyten
- KU Leuven, Experimental Neurosurgery and Neuroanatomy, Herestraat 49 PB 7003, 3000, Leuven, Belgium; Leuven Brain Institute, Herestraat 49 PB 1021, 3000, Leuven, Belgium; KU Leuven, Psychology of Learning and Experimental Psychopathology, Tiensestraat 102 PB 3712, 3000, Leuven, Belgium.
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6
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Ashkan K, Mirza AB, Tambirajoo K, Furlanetti L. Deep brain stimulation in the management of paediatric neuropsychiatric conditions: Current evidence and future directions. Eur J Paediatr Neurol 2021; 33:146-158. [PMID: 33092983 DOI: 10.1016/j.ejpn.2020.09.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 08/21/2020] [Accepted: 09/21/2020] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Neurosurgery has provided an alternative option for patients with refractory psychiatric indications. Lesion procedures were the initial techniques used, but deep brain stimulation (DBS) has the advantage of relative reversibility and adjustability. This review sets out to delineate the current evidence for DBS use in psychiatric conditions, with an emphasis on the paediatric population, highlighting pitfalls and opportunities. METHODS A systematic review of the literature was conducted on studies reporting the use of DBS in the management of psychiatric disorders. The PRISMA guidelines were employed to structure the review of the literature. Data was discussed focusing on the indications for DBS management of psychiatric conditions in the paediatric age group. RESULTS A total of seventy-three full-text papers reported the use of DBS surgery for the management of psychiatric conditions matching the inclusion criteria. The main indications were Tourette Syndrome (GTS) (15 studies), Obsessive Compulsive Disorder (OCD) (20), Treatment Resistant Depression (TRD) (27), Eating Disorders (ED) (7) and Aggressive Behaviour and self-harm (AB) (4). Out of these, only 11 studies included patients in the paediatric age group (≤18 years-old). Among the paediatric patients, the indications for surgery included GTS, AB and ED. CONCLUSIONS The application of deep brain stimulation for psychiatric indications has progressed at a steady pace in the adult population and at a much slower pace in the paediatric population. Future studies in children should be done in a trial setting with strict and robust criteria. A move towards personalising DBS therapy with new stimulation paradigms will provide new frontiers and possibilities in this growing field.
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Affiliation(s)
- Keyoumars Ashkan
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, UK; King's Health Partners Academic Health Sciences Centre, London, UK
| | - Asfand Baig Mirza
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, UK; King's Health Partners Academic Health Sciences Centre, London, UK
| | - Kantharuby Tambirajoo
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, UK; King's Health Partners Academic Health Sciences Centre, London, UK
| | - Luciano Furlanetti
- Department of Neurosurgery, King's College Hospital NHS Foundation Trust, London, UK; King's Health Partners Academic Health Sciences Centre, London, UK.
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Holland MT, Trapp NT, Greenlee JDW. Editorial: Invasive Treatments for Obsessive Compulsive Disorder. Front Psychiatry 2021; 12:764003. [PMID: 34650461 PMCID: PMC8505953 DOI: 10.3389/fpsyt.2021.764003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 09/07/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Marshall T Holland
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Nicholas T Trapp
- Department of Psychiatry, University of Iowa, Iowa City, IA, United States
| | - Jeremy D W Greenlee
- Department of Neurosurgery, University of Iowa, Iowa City, IA, United States
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8
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Chang KW, Jung HH, Chang JW. Magnetic Resonance-Guided Focused Ultrasound Surgery for Obsessive-Compulsive Disorders: Potential for use as a Novel Ablative Surgical Technique. Front Psychiatry 2021; 12:640832. [PMID: 33889100 PMCID: PMC8057302 DOI: 10.3389/fpsyt.2021.640832] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 03/11/2021] [Indexed: 12/24/2022] Open
Abstract
Surgical treatment for psychiatric disorders, such as obsessive-compulsive disorder (OCD) and depression, using ablative techniques, such as cingulotomy and capsulotomy, have historically been controversial for a number of scientific, social, and ethical reasons. Recently, with the elucidation of anatomical and neurochemical substrates of brain function in healthy controls and patients with such disorders using various functional neuroimaging techniques, these criticisms are becoming less valid. Furthermore, by using new techniques, such as deep brain stimulation (DBS), and identifying more precise targets, beneficial effects and the lack of serious complications have been demonstrated in patients with psychiatric disorders. However, DBS also has many disadvantages. Currently, magnetic resonance-guided focused ultrasound surgery (MRgFUS) is used as a minimal-invasive surgical method for generating precisely placed focal thermal lesions in the brain. Here, we review surgical techniques and their potential complications, along with anterior limb of the internal capsule (ALIC) capsulotomy by radiofrequency lesioning and gamma knife radiosurgery, for the treatment of OCD and depression. We also discuss the limitations and technical issues related to ALIC capsulotomy with MRgFUS for medically refractory OCD and depression. Through this review we hope MRgFUS could be considered as a new treatment choice for refractory OCD.
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Affiliation(s)
- Kyung Won Chang
- Department of Neurosurgery & Brain Research Institute, Yonsei University College of Medicine, Seoul, South Korea
| | - Hyun Ho Jung
- Department of Neurosurgery & Brain Research Institute, Yonsei University College of Medicine, Seoul, South Korea
| | - Jin Woo Chang
- Department of Neurosurgery & Brain Research Institute, Yonsei University College of Medicine, Seoul, South Korea
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Holland MT, Trapp NT, McCormick LM, Jareczek FJ, Zanaty M, Close LN, Beeghly J, Greenlee JDW. Deep Brain Stimulation for Obsessive-Compulsive Disorder: A Long Term Naturalistic Follow Up Study in a Single Institution. Front Psychiatry 2020; 11:55. [PMID: 32184741 PMCID: PMC7058594 DOI: 10.3389/fpsyt.2020.00055] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 01/22/2020] [Indexed: 01/05/2023] Open
Abstract
INTRODUCTION Deep brain stimulation (DBS) is a proven, effective tool in the treatment of movement disorders. Expansion of indications for DBS into the realm of neuropsychiatric disorders, especially obsessive-compulsive disorder (OCD), has gained fervent interest, although data on appropriate clinical utilization remains limited. METHODS A retrospective, naturalistic study followed nine severely affected OCD patients (average YBOCs score before implantation 34.2 ± 2.5) treated with DBS of ventral capsule/ventral striatum, with average follow up of 54.8 months. RESULTS With chronic stimulation (years), a majority of the patients achieved significant benefits in obsessive-compulsive and depressive symptoms. Six patients experienced periods of OCD remission following implantation. Four of the six responders required more than 12 months to achieve response. Relief of major depressive symptoms occurred in four out of six patients with documented co-morbid depression. Settings required to achieve efficacy were higher than those typically utilized for movement disorders, necessitating increased impulse generator (IPG) battery demand. We found patients benefited from conversion to a rechargeable IPG to prevent serial operations for IPG replacement. For patients with rechargeable IPGs, the repetitive habit of recharging did not appear to aggravate or trigger new obsessive-compulsive behaviors or anxiety symptoms. CONCLUSIONS Our study supports and builds upon other research suggesting that DBS for OCD in a real-world setting can be implemented successfully and provide long-term benefit for severely affected OCD patients. Optimal patient selection and DBS programming criteria are discussed. The use of rechargeable IPGs appears to be both cost effective and well-tolerated in this population.
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Affiliation(s)
- Marshall T Holland
- Department of Neurosurgery, University of Iowa, Iowa City, IA, United States
| | - Nicholas T Trapp
- Department of Psychiatry, University of Iowa, Iowa City, IA, United States
| | - Laurie M McCormick
- Department of Psychiatry, University of Iowa, Iowa City, IA, United States.,Rein Center: Emotional Health and Well-Being, Iowa City, IA, United States
| | | | - Mario Zanaty
- Department of Neurosurgery, University of Iowa, Iowa City, IA, United States
| | - Liesl N Close
- Department of Neurosurgery, University of Iowa, Iowa City, IA, United States
| | - James Beeghly
- Department of Psychiatry, University of Iowa, Iowa City, IA, United States
| | - Jeremy D W Greenlee
- Department of Neurosurgery, University of Iowa, Iowa City, IA, United States
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Gupta A, Khanna S, Jain R. Deep brain stimulation of ventral internal capsule for refractory obsessive-compulsive disorder. Indian J Psychiatry 2019; 61:532-536. [PMID: 31579146 PMCID: PMC6767810 DOI: 10.4103/psychiatry.indianjpsychiatry_222_16] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The main objective of this study is to assess the effectiveness of deep brain stimulation (DBS) of the ventral striatum (VS) of the anterior limb of internal capsule for patients suffering from refractory obsessive-compulsive disorder (OCD) and to compare its result with traditional anterior capsulotomy. The present study consisted of two patients subjected to stimulation of ventral capsule (VC)/VS region of internal capsule for refractory OCD. Leads were implanted on both sides stereotactically using fused images of magnetic resonance imaging and computed tomography scan brain and connected to pulse generator (Medtronic). Outcome of both the patients was measured by Yale-Brown Obsessive-Compulsive Scale (Y-BOCS), Beck Depression Inventory (BDI), and Mini-Mental Status Examination. The first case was followed for 4 years and 6 months, while the second case was followed for 2 years and 6 months. Both the patients responded very well to stimulation with reduction of Y-BOCS from 38 to 12 (68.42% improvement) in the first patient and 38 to 10 (78.68% improvement) in the second patient after 1 year. BDI also improved in both the patients with no significant change in mental state. No adverse effect was seen in any of the patient. The beneficial effect of DBS persisted in both the patients till follow-up and was much superior to the beneficial effect of anterior capsulotomy. We conclude that DBS of VC/VS complex is very safe and effective in refractory OCD and shows considerable promise for the future. The result of two treated patients was much better as compared to lesioning (anterior capsulotomy) and the beneficial effect persisted for long time.
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Affiliation(s)
- Alok Gupta
- Department of Neurosurgery, Metro Heart Institute with Multispeciality Faridabad, Gurugram, Haryana, India
| | - Sumant Khanna
- Consultant Psychiatrist, D 5/4, DLF Phase 1, Sector 28, Gurugram, Haryana, India
| | - Rahul Jain
- Consultant Neurosurgeon, PSRI Hospital, Sheikh Sarai, New Delhi, India
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Abstract
Neurosurgical interventions have been used for decades to treat severe, refractory obsessive-compulsive disorder (OCD). Deep brain stimulation (DBS) is a neurosurgical procedure that is used routinely to treat movement disorders such as Parkinson's disease and essential tremor. Over the past two decades, DBS has been applied to OCD, building on earlier experience with lesional procedures. Promising results led to Humanitarian Device Exemption (HDE) approval of the therapy from the United States Food and Drug Administration in 2009. In this review, the authors describe the development of DBS for OCD, the most recent outcome data, and areas for future research.
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Affiliation(s)
- Sruja Arya
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
| | - Megan M Filkowski
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
| | | | - Sameer A Sheth
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
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12
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Kumar KK, Appelboom G, Lamsam L, Caplan AL, Williams NR, Bhati MT, Stein SC, Halpern CH. Comparative effectiveness of neuroablation and deep brain stimulation for treatment-resistant obsessive-compulsive disorder: a meta-analytic study. J Neurol Neurosurg Psychiatry 2019; 90:469-473. [PMID: 30679237 DOI: 10.1136/jnnp-2018-319318] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 12/25/2018] [Accepted: 01/04/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND The safety and efficacy of neuroablation (ABL) and deep brain stimulation (DBS) for treatment refractory obsessive-compulsive disorder (OCD) has not been examined. This study sought to generate a definitive comparative effectiveness model of these therapies. METHODS A EMBASE/PubMed search of English-language, peer-reviewed articles reporting ABL and DBS for OCD was performed in January 2018. Change in quality of life (QOL) was quantified based on the Yale-Brown Obsessive Compulsive Scale (Y-BOCS) and the impact of complications on QOL was assessed. Mean response of Y-BOCS was determined using random-effects, inverse-variance weighted meta-analysis of observational data. FINDINGS Across 56 studies, totalling 681 cases (367 ABL; 314 DBS), ABL exhibited greater overall utility than DBS. Pooled ability to reduce Y-BOCS scores was 50.4% (±22.7%) for ABL and was 40.9% (±13.7%) for DBS. Meta-regression revealed no significant change in per cent improvement in Y-BOCS scores over the length of follow-up for either ABL or DBS. Adverse events occurred in 43.6% (±4.2%) of ABL cases and 64.6% (±4.1%) of DBS cases (p<0.001). Complications reduced ABL utility by 72.6% (±4.0%) and DBS utility by 71.7% (±4.3%). ABL utility (0.189±0.03) was superior to DBS (0.167±0.04) (p<0.001). INTERPRETATION Overall, ABL utility was greater than DBS, with ABL showing a greater per cent improvement in Y-BOCS than DBS. These findings help guide success thresholds in future clinical trials for treatment refractory OCD.
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Affiliation(s)
- Kevin K Kumar
- Department of Neurosurgery, Stanford University, Stanford, California, USA
| | - Geoffrey Appelboom
- Department of Neurosurgery, Stanford University, Stanford, California, USA
| | - Layton Lamsam
- Department of Neurosurgery, Stanford University, Stanford, California, USA
| | - Arthur L Caplan
- Department of Population Health, Division of Medical Ethics, New York University, New York City, New York, USA
| | - Nolan R Williams
- Department of Psychiatry, Stanford University, Stanford, California, USA
| | - Mahendra T Bhati
- Department of Neurosurgery, Stanford University, Stanford, California, USA.,Department of Psychiatry, Stanford University, Stanford, California, USA
| | - Sherman C Stein
- Department of Neurosurgery, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Casey H Halpern
- Department of Neurosurgery, Stanford University, Stanford, California, USA
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Deep Brain Stimulation for Highly Refractory Depression. Neuromodulation 2018. [DOI: 10.1016/b978-0-12-805353-9.00087-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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14
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Electrical stimulation of the bed nucleus of the stria terminalis reduces anxiety in a rat model. Transl Psychiatry 2017; 7:e1033. [PMID: 28195571 PMCID: PMC5438032 DOI: 10.1038/tp.2017.2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 10/07/2016] [Accepted: 12/08/2016] [Indexed: 12/12/2022] Open
Abstract
We recently showed that deep brain stimulation (DBS) in the bed nucleus of the stria terminalis (BST) reduces obsessions, compulsions and associated anxiety in patients suffering from severe, treatment-refractory obsessive-compulsive disorder. Here, we investigated the anxiolytic effects of electrical BST stimulation in a rat model of conditioned anxiety, unrelated to obsessions or compulsions. Two sets of stimulation parameters were evaluated. Using fixed settings at 100 Hz, 40 μs and 300 μA (Set A), we observed elevated freezing and startle levels, whereas stimulation at 130 Hz, 220 μs and individually tailored amplitudes (Set B) appeared to reduce freezing. In a follow-up experiment, we evaluated the anxiolytic potential of Set B more extensively, by adding a lesion group and an additional day of stimulation. We found that electrical stimulation significantly reduced freezing, but not to the same extent as lesions. Neither lesions nor stimulation of the BST affected motor behavior or unconditioned anxiety in an open-field test. In summary, electrical stimulation of the BST was successful in reducing contextual anxiety in a rat model, without eliciting unwanted motor effects. Our findings underline the therapeutic potential of DBS in the BST for disorders that are hallmarked by pathological anxiety. Further research will be necessary to assess the translatability of these findings to the clinic.
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15
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Schizophrenia and neurosurgery: A dark past with hope of a brighter future. J Clin Neurosci 2016; 34:53-58. [DOI: 10.1016/j.jocn.2016.08.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Revised: 07/05/2016] [Accepted: 08/10/2016] [Indexed: 12/11/2022]
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Anterior Cingulate Implant for Obsessive-Compulsive Disorder. World Neurosurg 2016; 97:754.e7-754.e16. [PMID: 27756670 DOI: 10.1016/j.wneu.2016.10.046] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/04/2016] [Accepted: 10/06/2016] [Indexed: 01/11/2023]
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) is a brain disorder with a lifetime prevalence of 2.3%, causing severe functional impairment as a result of anxiety and distress, persistent and repetitive, unwanted, intrusive thoughts (obsessions), and repetitive ritualized behavior (compulsions). Approximately 40%-60% of patients with OCD fail to satisfactorily respond to standard treatments. Intractable OCD has been treated by anterior capsulotomy and cingulotomy, but more recently, neurostimulation approaches have become more popular because of their reversibility. OBJECTIVE Implants for OCD are commonly being used, targeting the anterior limb of the internal capsula or the nucleus accumbens, but an implant on the anterior cingulate cortex has never been reported. METHODS We describe a patient who was primarily treated for alcohol addiction, first with transcranial magnetic stimulation, then by implantation of 2 electrodes overlying the rostrodorsal part of the anterior cingulate cortex bilaterally. RESULTS Her alcohol addiction developed as she was relief drinking to self-treat her OCD, anxiety, and depression. After the surgical implant, she underwent placebo stimulation followed by real stimulation of the dorsal anterior cingulate cortex, which dramatically improved her OCD symptoms (decrease of 65.5% on the Yale-Brown Obsessive Compulsive Drinking Scale) as well as her alcohol craving (decrease of 87.5%) after 36 weeks of treatment. Although there were improvements in all the scores, there was only a modest reduction in the patient's weekly alcohol consumption (from 50 units to 32 units). CONCLUSIONS Based on these preliminary positive results we propose to further study the possible beneficial effect of anterior cingulate cortex stimulation for intractable OCD.
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Luyten L, Hendrickx S, Raymaekers S, Gabriëls L, Nuttin B. Electrical stimulation in the bed nucleus of the stria terminalis alleviates severe obsessive-compulsive disorder. Mol Psychiatry 2016; 21:1272-80. [PMID: 26303665 DOI: 10.1038/mp.2015.124] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 05/11/2015] [Accepted: 06/25/2015] [Indexed: 12/22/2022]
Abstract
In 1998, we proposed deep brain stimulation as a last-resort treatment option for patients suffering from severe, treatment-resistant obsessive-compulsive disorder (OCD). Here, 24 OCD patients were included in a long-term follow-up study to evaluate the effects of electrical stimulation in the anterior limbs of the internal capsule (ALIC) and bed nucleus of the stria terminalis (BST). We find that electrical stimulation in the ALIC/BST area is safe and significantly decreases obsessions, compulsions, and associated anxiety and depressive symptoms, and improves global functioning in a blinded crossover trial (n=17), after 4 years (n=18), and at last follow-up (up to 171 months, n=24). Moreover, our data indicate that BST may be a better stimulation target compared with ALIC to alleviate OCD symptoms. We conclude that electrical stimulation in BST is a promising therapeutic option for otherwise treatment-resistant OCD patients.
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Affiliation(s)
- L Luyten
- KU Leuven Research Group Experimental Neurosurgery and Neuroanatomy, Leuven, Belgium.,KU Leuven Research Group Psychology of Learning and Experimental Psychopathology, Leuven, Belgium
| | - S Hendrickx
- KU Leuven Research Group Experimental Neurosurgery and Neuroanatomy, Leuven, Belgium
| | - S Raymaekers
- KU Leuven Research Group Psychiatry, Leuven, Belgium
| | - L Gabriëls
- UPC-KU Leuven University Center for OCD, Leuven, Belgium
| | - B Nuttin
- KU Leuven Research Group Experimental Neurosurgery and Neuroanatomy, Leuven, Belgium.,UZ Leuven Department of Neurosurgery, Leuven, Belgium
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18
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The Clinical Applicability of Functional Connectivity in Depression: Pathways Toward More Targeted Intervention. BIOLOGICAL PSYCHIATRY: COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2016; 1:262-270. [PMID: 29560882 DOI: 10.1016/j.bpsc.2016.02.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 02/23/2016] [Accepted: 02/24/2016] [Indexed: 12/29/2022]
Abstract
Resting-state functional magnetic resonance imaging provides a noninvasive method to rapidly map large-scale brain networks affected in depression and other psychiatric disorders. Dysfunctional connectivity in large-scale brain networks has been consistently implicated in major depressive disorder (MDD). Although advances have been made in identifying neural circuitry implicated in MDD, this information has yet to be translated into improved diagnostic or treatment interventions. In the first section of this review, we discuss dysfunctional connectivity in affective salience, cognitive control, and default mode networks observed in MDD in association with characteristic symptoms of the disorder. In the second section, we address neurostimulation focusing on transcranial magnetic stimulation and evidence that this approach may directly modulate circuit abnormalities. Finally, we discuss possible avenues of future research to develop more precise diagnoses and targeted interventions within the heterogeneous diagnostic category of MDD as well as the methodological limitations to clinical implementation. We conclude by proposing, with cautious optimism, the future incorporation of neuroimaging into clinical practice as a tool to aid in more targeted diagnosis and treatment guided by circuit-level connectivity dysfunction in patients with depression.
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De Ridder D, Vanneste S, Gillett G, Manning P, Glue P, Langguth B. Psychosurgery Reduces Uncertainty and Increases Free Will? A Review. Neuromodulation 2016; 19:239-48. [DOI: 10.1111/ner.12405] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 11/20/2015] [Accepted: 12/17/2015] [Indexed: 12/27/2022]
Affiliation(s)
- Dirk De Ridder
- Department of Surgical Sciences; Section of Neurosurgery, Dunedin School of Medicine, University of Otago; Dunedin New Zealand
| | - Sven Vanneste
- Laboratory for Clinical and Integrative Neuroscience, School of Behavioral and Brain Sciences; University of Texas at Dallas; Dallas TX USA
| | - Grant Gillett
- Department of Philosophy; Section of Medical Ethics, Dunedin School of Medicine, University of Otago; Dunedin New Zealand
| | - Patrick Manning
- Department of Internal Medicine; Section of Endocrinology, Dunedin School of Medicine, University of Otago; Dunedin New Zealand
| | - Paul Glue
- Department of Psychological Medicine; Dunedin School of Medicine, University of Otago; Dunedin New Zealand
| | - Berthold Langguth
- Department of Psychiatry and Psychotherapy; Interdisciplinary Tinnitus Clinic, University of Regensburg; Regensburg Germany
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20
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Abstract
Circuit dysfunction models of psychiatric disease posit that pathological behavior results from abnormal patterns of electrical activity in specific cells and circuits in the brain. Many psychiatric disorders are associated with abnormal activity in the prefrontal cortex and in the basal ganglia, a set of subcortical nuclei implicated in cognitive and motor control. Here we discuss the role of the basal ganglia and connected prefrontal regions in the etiology and treatment of obsessive-compulsive disorder, anxiety, and depression, emphasizing mechanistic work in rodent behavioral models to dissect causal cortico-basal ganglia circuits underlying discrete behavioral symptom domains relevant to these complex disorders.
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Affiliation(s)
- Lisa A Gunaydin
- The Gladstone Institutes, University of California, San Francisco, California 94158; , .,Affiliation as of March 1, 2016: Department of Psychiatry and the Institute for Neurodegenerative Diseases, University of California, San Francisco, California 94158
| | - Anatol C Kreitzer
- The Gladstone Institutes, University of California, San Francisco, California 94158; , .,Departments of Physiology and Neurology, University of California, San Francisco, California 94143
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21
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Hamani C, Pilitsis J, Rughani AI, Rosenow JM, Patil PG, Slavin KS, Abosch A, Eskandar E, Mitchell LS, Kalkanis S. Deep brain stimulation for obsessive-compulsive disorder: systematic review and evidence-based guideline sponsored by the American Society for Stereotactic and Functional Neurosurgery and the Congress of Neurological Surgeons (CNS) and endorsed by the CNS and American Association of Neurological Surgeons. Neurosurgery 2015; 75:327-33; quiz 333. [PMID: 25050579 DOI: 10.1227/neu.0000000000000499] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND It is estimated that 40% to 60% of patients with obsessive-compulsive disorder (OCD) continue to experience symptoms despite adequate medical management. For this population of treatment-refractory patients, promising results have been reported with the use of deep brain stimulation (DBS). OBJECTIVE To conduct a systematic review of the literature and develop evidence-based guidelines on DBS for OCD. METHODS A systematic literature search was undertaken using the PubMed database for articles published between 1966 and October 2012 combining the following words: "deep brain stimulation and obsessive-compulsive disorder" or "electrical stimulation and obsessive-compulsive disorder." Of 353 articles, 7 were retrieved for full-text review and analysis. The quality of the articles was assigned to each study and the strength of recommendation graded according to the guidelines development methodology of the American Association of Neurological Surgeons/Congress of Neurological Surgeons Joint Guidelines Committee. RESULTS Of the 7 studies, 1 class I and 2 class II double-blind, randomized, controlled trials reported that bilateral DBS is more effective in improving OCD symptoms than sham treatment. CONCLUSION Based on the data published in the literature, the following recommendations can be made: (1) There is Level I evidence, based on a single class I study, for the use of bilateral subthalamic nucleus DBS for the treatment of medically refractory OCD. (2) There is Level II evidence, based on a single class II study, for the use of bilateral nucleus accumbens DBS for the treatment of medically refractory OCD. (3) There is insufficient evidence to make a recommendation for the use of unilateral DBS for the treatment of medically refractory OCD.
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Affiliation(s)
- Clement Hamani
- *Division of Neurosurgery, Toronto Western Hospital, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; ‡Department of Neurosurgery and Center for Neuropharmacology and Neuroscience, Albany Medical College, Albany, New York; §Neuroscience Institute, Maine Medical Center, Portland, Maine; ¶Department of Neurosurgery, Northwestern University, Chicago, Illinois; ‖Departments of Neurosurgery, Neurology, Anesthesiology, and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan; #Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois; **Department of Neurosurgery, University of Colorado, Denver, Colorado; ‡‡Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts; §§Congress of Neurological Surgeons, Guidelines Department, Schaumburg, Illinois; ¶¶Department of Neurosurgery, Henry Ford Health System, Detroit, Michigan
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Abstract
Deep brain stimulation has emerged rapidly as an effective therapy for movement disorders. Deep brain stimulation includes an implanted brain electrode and a pacemaker-like implanted pulse generator. The clinical application of deep brain stimulation proceeded in the absence of clear understandings of its mechanisms of action or extensive preclinical studies of safety and efficacy. Post mortem studies suggest that there is a loss of neurons in proximity to the active electrode, but the resulting lesions are not sufficient to treat the disorder and efficacy requires continued stimulation. Overall complication rates can exceed 25%, and permanent neurologic sequelae result in 4-6% of cases. As the application of deep brain stimulation expands, it is critical to understand the origin of adverse events and the delivery of nondamaging stimulation.
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Affiliation(s)
- Warren M Grill
- Duke University, Department of Biomedical Engineering, Durham, NC 27708-0281, USA.
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23
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Aronson JP, Katnani HA, Eskandar EN. Neuromodulation for obsessive-compulsive disorder. Neurosurg Clin N Am 2013; 25:85-101. [PMID: 24262902 DOI: 10.1016/j.nec.2013.08.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
This article describes the basis for neuromodulation procedures for obsessive-compulsive disorder (OCD) and summarizes the literature on the efficacy of these interventions. Discussion includes neural circuitry underlying OCD pathology, the history and types of ablative procedures, the targets and modalities used for neuromodulation, and future therapeutic directions.
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Affiliation(s)
- Joshua P Aronson
- Department of Neurosurgery, Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA
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24
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Zuo C, Ma Y, Sun B, Peng S, Zhang H, Eidelberg D, Guan Y. Metabolic imaging of bilateral anterior capsulotomy in refractory obsessive compulsive disorder: an FDG PET study. J Cereb Blood Flow Metab 2013; 33:880-7. [PMID: 23443174 PMCID: PMC3677106 DOI: 10.1038/jcbfm.2013.23] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The therapeutic benefits of bilateral capsulotomy for the treatment of refractory obsessive compulsive disorder (OCD) are probably attributed to interruption of the cortico-striato-thalamo-cortical circuitry. We evaluated resting brain metabolism and treatment response in OCD patients using positron emission tomography (PET) imaging. [(18)F]-fluoro-deoxy-glucose PET was performed in eight OCD patients precapsulotomy and postcapsulotomy. We determined metabolic differences between preoperative images in patients and those in eight age-matched healthy volunteers, and postoperative changes and clinical correlations in the patients. The OCD patients showed widespread metabolic increases in normalized glucose metabolism in the bilateral orbitofrontal cortex and inferior frontal gyrus, cingulate gyrus, and bilateral pons/cerebellum, and metabolic decreases bilaterally in the precentral and lingual gyri. Bilateral capsulotomy resulted in significant metabolic decreases bilaterally in the prefrontal cortical regions, especially in the dorsal anterior cingulate cortex (ACC) and in the medial dorsal thalamus and caudate nucleus. In contrast, metabolism increased bilaterally in the precentral and lingual gyri. Clinical improvement in patients correlated with metabolic changes in the bilateral dorsal ACC and in the right middle occipital gyrus after capsulotomy. This study underscores the importance of the internal capsule in modulating ventral prefrontal and dorsal anterior cingulate neuronal activity in the neurosurgical management of OCD patients.
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Affiliation(s)
- ChuanTao Zuo
- Department of Nuclear Medicine, PET Center, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, China.
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25
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Lipsman N, Giacobbe P, Lozano AM. Deep brain stimulation in obsessive-compulsive disorder: neurocircuitry and clinical experience. HANDBOOK OF CLINICAL NEUROLOGY 2013; 116:245-250. [PMID: 24112898 DOI: 10.1016/b978-0-444-53497-2.00019-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The last decade has seen a significant rise in interest in the use of deep brain stimulation (DBS) for the management of obsessive-compulsive disorder (OCD), one of psychiatry's most challenging conditions. The prominent role of both thought (obsessions) and motor (compulsions) dysfunction in OCD place the condition at the border between the neurological and the psychiatric. This is supported by a growing body of literature that implicates structures in decision-making, reward, and action-selection circuits in the disorder. Here, we provide an overview of the neurocircuitry of OCD while reviewing the DBS literature to date for the condition. Results of DBS trials in treatment- resistant OCD have been remarkably similar, with clinical response rates in the range of 40-60%, despite the use of a diverse range of targets. These results imply that a common underlying circuit is being modulated, and moreover that there is room for improvement, and debate, in the development of an evidence-driven DBS treatment for this chronic, debilitating illness.
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Affiliation(s)
- Nir Lipsman
- Division of Neurosurgery, Toronto Western Hospital, University of Toronto, Toronto, Canada
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26
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Riva-Posse P, Holtzheimer PE, Garlow SJ, Mayberg HS. Practical considerations in the development and refinement of subcallosal cingulate white matter deep brain stimulation for treatment-resistant depression. World Neurosurg 2012; 80:S27.e25-34. [PMID: 23246630 DOI: 10.1016/j.wneu.2012.11.074] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Revised: 11/12/2012] [Accepted: 11/27/2012] [Indexed: 12/28/2022]
Abstract
BACKGROUND Deep brain stimulation has been investigated in the past decade as a viable intervention for treatment-resistant depression. METHODS Several anatomic targets have been tested, with the most extensive published experience found for the subcallosal cingulate (SCC) white matter. RESULTS This article reviews the current state of clinical research of SCC deep brain stimulation for treatment-resistant depression, including an overview of the rationale for targeting SCC, practical considerations for subject recruitment and evaluation, surgical planning, and stimulation parameters. CONCLUSION Clinical management of patients in the initial and long-term naturalistic phases of treatment, including the potential role for psychotherapeutic rehabilitation, is discussed.
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Affiliation(s)
- Patricio Riva-Posse
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia, USA.
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27
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van Kuyck K, Welkenhuysen M, Arckens L, Sciot R, Nuttin B. Histological alterations induced by electrode implantation and electrical stimulation in the human brain: a review. Neuromodulation 2012; 10:244-61. [PMID: 22150838 DOI: 10.1111/j.1525-1403.2007.00114.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Objectives. Electrical brain stimulation is used as a treatment for patients with intractable chronic pain and movement disorders. However, the implantation of electrodes and electrical stimulation may induce histological changes around the electrode tip. We aimed to review the histological changes in humans that were electrically stimulated in the brain. Methods. We traced 26 autopsy studies of which 19 patients received cerebellar stimulation and 37 patients deep brain stimulation. Results. Electrode implantation and electrical stimulation induced in part of the cases formation of a fibrous sheath around the electrode, loss of fairly large neurons, and limited gliosis. Macroscopic lesions were present in only some cases, mostly due to pulling at the extension cable in the postoperative evaluation period preceding definite implantation of the electrode wire and stimulator. Conclusions. Electrical brain stimulation induces histological changes in some patients. According to electrical brain stimulation studies in animals, these changes can be related to the charge and charge density per phase (and their interaction).
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Affiliation(s)
- Kris van Kuyck
- Laboratory of Experimental Functional Neurosurgery, Department of Neuroscience, K.U.Leuven, Leuven, Belgium; Laboratory Neuroplasticity and Neuroproteomics, Department of Biology, K.U.Leuven, Leuven, Belgium; and Morphology and Molecular Pathology Section, Department of Morphology and Medical Imaging, K.U.Leuven, Leuven, Belgium
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28
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Haynes WIA, Millet B, Mallet L. [Obsessive-compulsive disorder, a new model of basal ganglia dysfunction? Elements from deep brain stimulation studies]. Rev Neurol (Paris) 2012; 168:649-54. [PMID: 22898561 DOI: 10.1016/j.neurol.2012.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Accepted: 05/25/2012] [Indexed: 11/25/2022]
Abstract
Deep brain stimulation was first developed for movement disorders but is now being offered as a therapeutic alternative in severe psychiatric disorders after the failure of conventional therapies. One of such pathologies is obsessive-compulsive disorder. This disorder which associates intrusive thoughts (obsessions) and repetitive irrepressible rituals (compulsions) is characterized by a dysfunction of a cortico-subcortical loop. After having reviewed the pathophysiological evidence to show why deep brain stimulation was an interesting path to take for severe and resistant cases of obsessive-compulsive disorder, we will present the results of the different clinical trials. Finally, we will provide possible mechanisms for the effects of deep brain stimulation in this pathology.
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Affiliation(s)
- W I A Haynes
- Team Behaviour Emotion and Basal Ganglia, centre de recherche de l'institut du cerveau et de la moelle épinière (CRICM), Inserm US975, CNRS 7225, UPMC, bâtiment ICM, Paris cedex, France.
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29
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Targeting the affective and cognitive aspects of chronic neuropathic pain using basal forebrain neuromodulation: rationale, review and proposal. J Clin Neurosci 2012; 19:1216-21. [PMID: 22771143 DOI: 10.1016/j.jocn.2012.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Accepted: 04/04/2012] [Indexed: 01/21/2023]
Abstract
Chronic pain is a major health problem in developed countries where it may affect as much as 20% of the adult population. There have been no significant clinical breakthroughs in therapeutic options for persons with chronic neuropathic pain. These limitations underscore the importance of developing new therapies for this disabling pain syndrome. We have reviewed the limitations of the present treatment strategies for chronic pain, neurophysiology of somatosensory transmission and nociception, mechanisms of neuropathic pain, the concept of a "pain matrix" and the "top-down" modulation of pain, and the cognitive affective role in processing of the pain experience. We found that affective and cognitive aspects of pain constitute important considerations in achieving improvements in the outcomes of pain neuromodulation in patients with chronic neuropathic pain. Based on our review, we propose that future novel neuromodulatory therapeutic strategies should be directed at areas in the brain that are involved in the neural mechanisms of reward valuation and appetitive motivation such as nucleus accumbens, ventral tegmental area, and prefrontal cortex.
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30
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Sankar T, Tierney TS, Hamani C. Novel applications of deep brain stimulation. Surg Neurol Int 2012; 3:S26-33. [PMID: 22826807 PMCID: PMC3400483 DOI: 10.4103/2152-7806.91607] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2011] [Accepted: 12/20/2011] [Indexed: 11/11/2022] Open
Abstract
The success of deep brain stimulation (DBS) surgery in treating medically refractory symptoms of some movement disorders has inspired further investigation into a wide variety of other treatment-resistant conditions. These range from disorders of gait, mood, and memory to problems as diverse as obesity, consciousness, and addiction. We review the emerging indications, rationale, and outcomes for some of the most promising new applications of DBS in the treatment of postural instability associated with Parkinson's disease, depression, obsessive–compulsive disorder, obesity, substance abuse, epilepsy, Alzheimer′s-type dementia, and traumatic brain injury. These studies reveal some of the excitement in a field at the edge of a rapidly expanding frontier. Much work still remains to be done on basic mechanism of DBS, optimal target and patient selection, and long-term durability of this technology in treating new indications.
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Affiliation(s)
- Tejas Sankar
- Department of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
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31
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Oluigbo CO, Salma A, Rezai AR. Deep Brain Stimulation for Neurological Disorders. IEEE Rev Biomed Eng 2012; 5:88-99. [DOI: 10.1109/rbme.2012.2197745] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Chiu CH, Lo YC, Tang HS, Liu IC, Chiang WY, Yeh FC, Jaw FS, Tseng WYI. White matter abnormalities of fronto-striato-thalamic circuitry in obsessive-compulsive disorder: A study using diffusion spectrum imaging tractography. Psychiatry Res 2011; 192:176-82. [PMID: 21546223 DOI: 10.1016/j.pscychresns.2010.09.009] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Revised: 09/21/2010] [Accepted: 09/22/2010] [Indexed: 11/28/2022]
Abstract
Previous studies have reported white matter abnormalities in patients with obsessive-compulsive disorder (OCD). This study aimed to further explore white matter abnormalities in OCD patients through diffusion spectrum imaging (DSI) and tractography of the two white matter tracts which most probably play an important role in OCD neuropathology: the anterior segment of cingulum bundles (ACB) and the anterior thalamic radiations (ATR). Twelve right-handed, medicated adult patients with OCD and 12 matched controls underwent DSI on a 3 tesla magnetic resonance imaging (MRI) system. Tractography based on DSI data was reconstructed to define the ACB and ATR. Mean generalized fractional anisotropy (GFA) was calculated for each targeted tract and was used to analyze local changes in microstructural integrity along individual tracts. There was a significantly lower mean GFA in both the right ATR and left ACB in OCD subjects compared to controls. OCD subjects also demonstrated decreased left-lateralized asymmetry of the ACB when compared to controls. Furthermore, the mean GFA of the left ACB positively correlated with OCD subjects' obsessive subscores on the Yale-Brown Obsessive-Compulsive scale. This study supports the white matter abnormalities in the ACB and ATR of OCD subjects, which corroborates neurobiological models that posit a defect in fronto-striato-thalamic circuitry in OCD.
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Affiliation(s)
- Chen-Huan Chiu
- Department of Psychiatry, Taipei City Psychiatric Center, Taipei City Hospital, Taipei, Taiwan
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33
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Devergnas A, Wichmann T. Cortical potentials evoked by deep brain stimulation in the subthalamic area. Front Syst Neurosci 2011; 5:30. [PMID: 21625611 PMCID: PMC3097379 DOI: 10.3389/fnsys.2011.00030] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Accepted: 04/29/2011] [Indexed: 11/13/2022] Open
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) has been used since the mid-1990s as a treatment for patients with Parkinson's disease, and more recently also in other conditions, such as dystonia or obsessive compulsive disorder. Non-invasive studies of cortical evoked potentials (EPs) that follow individual STN-DBS stimuli has provided us with insights about the conduction of the DBS pulses to the cortex. Such EPs have multiple components of different latencies, making it possible to distinguish short-latency and long-latency responses (3-8 ms and 18-25 ms latency, respectively). The available evidence indicates that these short- and long-latency EPs correspond to conduction from the STN stimulation site to the cortical recording location via anti- and orthodromic pathways, respectively. In this review we survey the literature from recording studies in human patients treated with STN-DBS for Parkinson's disease and other conditions, as well as recent animal studies (including our own) that have begun to elucidate details of the pathways, frequency dependencies, and other features of EPs. In addition, we comment on the possible clinical utility of this knowledge.
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Affiliation(s)
- Annaelle Devergnas
- Wichmann Lab, Division of Neuropharmacology and Neurologic Diseases, Yerkes National Primate Research Center, Emory University Atlanta, GA, USA
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Shah RS, Chang SY, Min HK, Cho ZH, Blaha CD, Lee KH. Deep brain stimulation: technology at the cutting edge. J Clin Neurol 2010; 6:167-82. [PMID: 21264197 PMCID: PMC3024521 DOI: 10.3988/jcn.2010.6.4.167] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2010] [Revised: 09/16/2010] [Accepted: 09/16/2010] [Indexed: 01/15/2023] Open
Abstract
Deep brain stimulation (DBS) surgery has been performed in over 75,000 people worldwide, and has been shown to be an effective treatment for Parkinson's disease, tremor, dystonia, epilepsy, depression, Tourette's syndrome, and obsessive compulsive disorder. We review current and emerging evidence for the role of DBS in the management of a range of neurological and psychiatric conditions, and discuss the technical and practical aspects of performing DBS surgery. In the future, evolution of DBS technology may depend on several key areas, including better scientific understanding of its underlying mechanism of action, advances in high-spatial resolution imaging and development of novel electrophysiological and neurotransmitter microsensor systems. Such developments could form the basis of an intelligent closed-loop DBS system with feedback-guided neuromodulation to optimize both electrode placement and therapeutic efficacy.
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Affiliation(s)
- Rahul S Shah
- Department of Neurological Surgery, Mayo Clinic, Rochester, MN, USA
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Neuner I, Podoll K, Janouschek H, Michel TM, Sheldrick AJ, Schneider F. From psychosurgery to neuromodulation: deep brain stimulation for intractable Tourette syndrome. World J Biol Psychiatry 2010; 10:366-76. [PMID: 19005877 DOI: 10.1080/15622970802513317] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Tourette syndrome is a neuropsychiatric disorder characterized by motor and vocal tics. It is often associated with depression, obsessive-compulsive symptoms, self-injurious behaviour and attention deficit-hyperactivity disorder (ADHD). In intractable patients, neuromodulation using deep brain stimulation (DBS) has widely replaced psychosurgery. Three different key structures are defined for DBS, the medial portion of the thalamus, the globus pallidus internus and the anterior limb of the internal capsule/nucleus accumbens. This is a comprehensive overview on the effect of DBS on motor and non-motor symptoms using different case series and two larger studies.
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Affiliation(s)
- Irene Neuner
- Department of Psychiatry and Psychotherapy, RWTH Aachen University, Aachen, Germany.
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Kuhn J, Gründler TOJ, Lenartz D, Sturm V, Klosterkötter J, Huff W. Deep brain stimulation for psychiatric disorders. DEUTSCHES ARZTEBLATT INTERNATIONAL 2010; 107:105-13. [PMID: 20221269 DOI: 10.3238/arztebl.2010.0105] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2009] [Accepted: 08/27/2009] [Indexed: 01/24/2023]
Abstract
BACKGROUND Deep brain stimulation (DBS), an established treatment for some movement disorders, is now being used experimentally to treat psychiatric disorders as well. In a number of recently published case series, DBS yielded an impressive therapeutic benefit in patients with medically intractable psychiatric diseases. METHODS This review of the use of DBS to treat psychiatric disorders is based on literature retrieved from a selective Pubmed search for relevant keywords, reference works on the topic, and the authors' own research. RESULTS Studies have been performed on the use of DBS to treat medically intractable obsessive-compulsive disorder, depressive disorders, and Tourette syndrome. The case numbers in the cited publications were small, yet at least some of them involved a methodologically sound investigation. Thus, in some studies, the strength of the effect was controlled with a double-blinded interval in which the stimulation was turned off. In general, the primary symptoms were found to improve markedly, by 35% to 70%, although not all patients responded to the treatment. Adverse effects of DBS were very rare in most studies and could usually be reversed by changing the stimulation parameters. CONCLUSIONS The results of DBS for psychiatric disorders that have been published to date are encouraging. They open up a new perspective in the treatment of otherwise intractable disorders. Nonetheless, the efficacy, mechanism of action, and adverse effects of DBS for this indication still need to be further studied in methodologically adequate trials that meet the highest ethical standard.
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Affiliation(s)
- Jens Kuhn
- Klinik für Psychiatrie und Psychotherapie, Klinikum der Universität zu Köln, Germany.
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High-dose glycine treatment of refractory obsessive-compulsive disorder and body dysmorphic disorder in a 5-year period. Neural Plast 2010; 2009:768398. [PMID: 20182547 PMCID: PMC2825652 DOI: 10.1155/2009/768398] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Revised: 08/12/2009] [Accepted: 12/04/2009] [Indexed: 12/17/2022] Open
Abstract
This paper describes an individual who was diagnosed with obsessive-compulsive disorder (OCD) and body dysmorphic disorder (BDD) at age 17 when education was discontinued. By age 19, he was housebound without social contacts except for parents. Adequate trials of three selective serotonin reuptake inhibitors, two with atypical neuroleptics, were ineffective. Major exacerbations following ear infections involving Group A β-hemolytic streptococcus at ages 19 and 20 led to intravenous immune globulin therapy, which was also ineffective. At age 22, another severe exacerbation followed antibiotic treatment for H. pylori. This led to a hypothesis that postulates deficient signal transduction by the N-methyl-D-aspartate receptor (NMDAR). Treatment with glycine, an NMDAR coagonist, over 5 years led to robust reduction of OCD/BDD signs and symptoms except for partial relapses during treatment cessation. Education and social life were resumed and evidence suggests improved cognition. Our findings motivate further study of glycine treatment of OCD and BDD.
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Deep brain stimulation of the ventral internal capsule/ventral striatum for obsessive-compulsive disorder: worldwide experience. Mol Psychiatry 2010; 15:64-79. [PMID: 18490925 PMCID: PMC3790898 DOI: 10.1038/mp.2008.55] [Citation(s) in RCA: 493] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Psychiatric neurosurgery teams in the United States and Europe have studied deep brain stimulation (DBS) of the ventral anterior limb of the internal capsule and adjacent ventral striatum (VC/VS) for severe and highly treatment-resistant obsessive-compulsive disorder. Four groups have collaborated most closely, in small-scale studies, over the past 8 years. First to begin was Leuven/Antwerp, followed by Butler Hospital/Brown Medical School, the Cleveland Clinic and most recently the University of Florida. These centers used comparable patient selection criteria and surgical targeting. Targeting, but not selection, evolved during this period. Here, we present combined long-term results of those studies, which reveal clinically significant symptom reductions and functional improvement in about two-thirds of patients. DBS was well tolerated overall and adverse effects were overwhelmingly transient. Results generally improved for patients implanted more recently, suggesting a 'learning curve' both within and across centers. This is well known from the development of DBS for movement disorders. The main factor accounting for these gains appears to be the refinement of the implantation site. Initially, an anterior-posterior location based on anterior capsulotomy lesions was used. In an attempt to improve results, more posterior sites were investigated resulting in the current target, at the junction of the anterior capsule, anterior commissure and posterior ventral striatum. Clinical results suggest that neural networks relevant to therapeutic improvement might be modulated more effectively at a more posterior target. Taken together, these data show that the procedure can be successfully implemented by dedicated interdisciplinary teams, and support its therapeutic promise.
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Deep brain stimulation as a new therapeutic approach in therapy-resistant mental disorders: ethical aspects of investigational treatment. Eur Arch Psychiatry Clin Neurosci 2009; 259 Suppl 2:S135-41. [PMID: 19876671 DOI: 10.1007/s00406-009-0055-8] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Deep brain stimulation (DBS) is an established treatment option for some movement disorders, in particular Parkinson's disease. Only recently, a number of promising studies with small samples of patients have been published in which impressive therapeutic outcomes achieved by DBS in otherwise treatment-resistant obsessive-compulsive disorder, major depression, and Tourette's syndrome were reported. It seems probable that the investigational approach to treat mental disorders by DBS will increase substantially. Neurosurgical interventions in psychiatric patients raise ethical considerations not only based on the disreputable experiences of the era of psychosurgery. Therefore, it is necessary to implement transparent and well-defined regulations for the protection of the patients as well as appropriate support for therapeutic research. The current article aims to provide a synopsis of the DBS approach in mental disorders and the hitherto existing criteria for research. It suggests some additional requirements for ethically justifiable therapeutic research employing DBS in psychiatric patients.
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Jaafari N, Giré P, Houeto JL. Stimulation cérébrale profonde, maladie de Parkinson et complications neuropsychiatriques. Presse Med 2009; 38:1335-42. [DOI: 10.1016/j.lpm.2008.11.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2008] [Revised: 10/29/2008] [Accepted: 11/05/2008] [Indexed: 01/14/2023] Open
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A high resolution and high contrast MRI for differentiation of subcortical structures for DBS targeting: The Fast Gray Matter Acquisition T1 Inversion Recovery (FGATIR). Neuroimage 2009; 47 Suppl 2:T44-52. [DOI: 10.1016/j.neuroimage.2009.04.018] [Citation(s) in RCA: 154] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2008] [Revised: 03/03/2009] [Accepted: 04/04/2009] [Indexed: 11/20/2022] Open
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Grover PJ, Pereira EA, Green AL, Brittain JS, Owen SL, Schweder P, Kringelbach ML, Davies PT, Aziz TZ. Deep brain stimulation for cluster headache. J Clin Neurosci 2009; 16:861-6. [DOI: 10.1016/j.jocn.2008.10.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2008] [Accepted: 10/31/2008] [Indexed: 10/20/2022]
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Rakofsky JJ, Holtzheimer PE, Nemeroff CB. Emerging targets for antidepressant therapies. Curr Opin Chem Biol 2009; 13:291-302. [PMID: 19501541 DOI: 10.1016/j.cbpa.2009.04.617] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2009] [Accepted: 04/17/2009] [Indexed: 01/11/2023]
Abstract
Despite adequate antidepressant monotherapy, the majority of depressed patients do not achieve remission. Even optimal and aggressive therapy leads to a substantial number of patients who show minimal and often only transient improvement. In order to address this substantial problem of treatment-resistant depression, a number of novel targets for antidepressant therapy have emerged as a consequence of major advances in the neurobiology of depression. Three major approaches to uncover novel therapeutic interventions are: first, optimizing the modulation of monoaminergic neurotransmission; second, developing medications that act upon neurotransmitter systems other than monoaminergic circuits; and third, using focal brain stimulation to directly modulate neuronal activity. We review the most recent data on novel therapeutic compounds and their antidepressant potential. These include triple monoamine reuptake inhibitors, atypical antipsychotic augmentation, and dopamine receptor agonists. Compounds affecting extra-monoamine neurotransmitter systems include CRF(1) receptor antagonists, glucocorticoid receptor antagonists, substance P receptor antagonists, NMDA receptor antagonists, nemifitide, omega-3 fatty acids, and melatonin receptor agonists. Focal brain stimulation therapies include vagus nerve stimulation (VNS), transcranial magnetic stimulation (TMS), magnetic seizure therapy (MST), transcranial direct current stimulation (tDCS), and deep brain stimulation (DBS).
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Affiliation(s)
- Jeffrey J Rakofsky
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, 2004 Ridgewood Dr, Suite 218, Atlanta, GA 30322, United States.
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Sucapane A, Cellot G, Prato M, Giugliano M, Parpura V, Ballerini L. Interactions Between Cultured Neurons and Carbon Nanotubes: A Nanoneuroscience Vignette. ACTA ACUST UNITED AC 2009; 1:10-16. [PMID: 19865604 DOI: 10.1166/jns.2009.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Carbon nanotubes, owing to their electrical, chemical, mechanical, and thermal properties, are one of the most promising nanomaterials for the electronics, computer, and aerospace industries. More recently, these unique materials are finding their niche in neuroscience. Here, we discuss the use of carbon nanotubes as scaffolds for neuronal growth. The chemical properties of carbon nanotubes can be systematically varied by attaching different functional groups. Such functionalized carbon nanotubes can be used to control the outgrowth and branching pattern of neuronal processes. We also discuss electrical interactions between neurons and carbon nanotubes. The electrical properties of nanotubes can provide a mechanism to monitor or stimulate neurons through the scaffold itself. The ease of which carbon nanotubes can be patterned makes them attractive for studying the organization of neural networks and has the potential to develop new devices for neural prosthesis. We note that additional toxicity studies of carbon nanotubes are necessary so that exposure guidelines and safety regulations can be set.
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Affiliation(s)
- Antonietta Sucapane
- Physiology and Pathology Department, B.R.A.I.N., University of Trieste, via Fleming 22, I-34127, Trieste, Italy
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Mundt A, Klein J, Joel D, Heinz A, Djodari-Irani A, Harnack D, Kupsch A, Orawa H, Juckel G, Morgenstern R, Winter C. High-frequency stimulation of the nucleus accumbens core and shell reduces quinpirole-induced compulsive checking in rats. Eur J Neurosci 2009; 29:2401-12. [PMID: 19490027 DOI: 10.1111/j.1460-9568.2009.06777.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Electrical deep brain stimulation (DBS) is currently studied in the treatment of therapy-refractory obsessive compulsive disorders (OCDs). The variety of targeted brain areas and the inconsistency in demonstrating anti-compulsive effects, however, highlight the need for better mapping of brain regions in which stimulation may produce beneficial effects in OCD. Such a goal may be advanced by the assessment of DBS in appropriate animal models of OCD. Currently available data on DBS of the nucleus accumbens (NAc) on OCD-like behavior in rat models of OCD are contradictory and partly in contrast to clinical data and theoretical hypotheses about how the NAc might be pathophysiologically involved in the manifestation of OCD. Consequently, the present study investigates the effects of DBS of the NAc core and shell in a quinpirole rat model of OCD. The study demonstrates that electrical modulation of NAc core and shell activity via DBS reduces quinpirole-induced compulsive checking behavior in rats. We therefore conclude that both, the NAc core and shell constitute potential target structures in the treatment of OCD.
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Affiliation(s)
- Adrian Mundt
- Department of Psychiatry and Psychotherapy, Charité Campus Mitte, Charité University Medicine, Berlin, Germany
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Neuner I, Podoll K, Lenartz D, Sturm V, Schneider F. Deep brain stimulation in the nucleus accumbens for intractable Tourette's syndrome: follow-up report of 36 months. Biol Psychiatry 2009; 65:e5-6. [PMID: 19006786 DOI: 10.1016/j.biopsych.2008.09.030] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/28/2008] [Revised: 09/16/2008] [Accepted: 09/16/2008] [Indexed: 10/21/2022]
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Neurosurgical treatment of mood disorders: traditional psychosurgery and the advent of deep brain stimulation. Curr Opin Psychiatry 2009; 22:25-31. [PMID: 19122531 DOI: 10.1097/yco.0b013e32831c8475] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW From its peak in the 1940s and 1950s, psychosurgery (or, neurosurgery for psychiatric disorders) has had a gradual decline, with only a few centers around the world continuing with the procedure into the 1980s and 1990s. With recent developments in brain stimulation techniques, the continuing relevance of psychosurgery in the treatment of psychiatric disorders is worthy of examination. RECENT FINDINGS A review of databases (PubMed, Medline, Current Contents and Embase) suggests that psychosurgery in the form of stereotactic focal ablation is still practiced in a few centers, although the number has decreased further from the 1990s. Procedures have not changed substantively, although modern imaging and stereotaxy have made them more precise. No good predictors of treatment response have been identified. There is a major shift in interest to deep brain stimulation (DBS) instead of ablative surgery. Studies of DBS in resistant depression and obsessive-compulsive disorder have been few and have involved small numbers, but this field is growing rapidly. SUMMARY Although ablative psychosurgery using stereotactic procedures continues to be used to a small extent, psychiatrists remain ambivalent about this procedure. The baton of psychosurgery, however, appears to have been passed on to DBS, but more data are needed on technical details and outcomes before the possible therapeutic role of DBS can be established.
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Vasques X, Cif L, Hess O, Gavarini S, Mennessier G, Coubes P. Stereotactic model of the electrical distribution within the internal globus pallidus during deep brain stimulation. J Comput Neurosci 2008; 26:109-18. [DOI: 10.1007/s10827-008-0101-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2008] [Revised: 04/07/2008] [Accepted: 05/16/2008] [Indexed: 12/31/2022]
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Berlin HA, Hamilton H, Hollander E. Experimental therapeutics for refractory obsessive-compulsive disorder: translational approaches and new somatic developments. ACTA ACUST UNITED AC 2008; 75:174-203. [DOI: 10.1002/msj.20045] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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