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Ranjan M, Mahoney JJ, Rezai AR. Neurosurgical neuromodulation therapy for psychiatric disorders. Neurotherapeutics 2024; 21:e00366. [PMID: 38688105 PMCID: PMC11070709 DOI: 10.1016/j.neurot.2024.e00366] [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: 10/16/2023] [Revised: 04/09/2024] [Accepted: 04/16/2024] [Indexed: 05/02/2024] Open
Abstract
Psychiatric disorders are among the leading contributors to global disease burden and disability. A significant portion of patients with psychiatric disorders remain treatment-refractory to best available therapy. With insights from the neurocircuitry of psychiatric disorders and extensive experience of neuromodulation with deep brain stimulation (DBS) in movement disorders, DBS is increasingly being considered to modulate the neural network in psychiatric disorders. Currently, obsessive-compulsive disorder (OCD) is the only U.S. FDA (United States Food and Drug Administration) approved DBS indication for psychiatric disorders. Medically refractory depression, addiction, and other psychiatric disorders are being explored for DBS neuromodulation. Studies evaluating DBS for psychiatric disorders are promising but lack larger, controlled studies. This paper presents a brief review and the current state of DBS and other neurosurgical neuromodulation therapies for OCD and other psychiatric disorders. We also present a brief review of MR-guided Focused Ultrasound (MRgFUS), a novel form of neurosurgical neuromodulation, which can target deep subcortical structures similar to DBS, but in a noninvasive fashion. Early experiences of neurosurgical neuromodulation therapies, including MRgFUS neuromodulation are encouraging in psychiatric disorders; however, they remain investigational. Currently, DBS and VNS are the only FDA approved neurosurgical neuromodulation options in properly selected cases of OCD and depression, respectively.
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Affiliation(s)
- Manish Ranjan
- Department of Neurosurgery, WVU Rockefeller Neuroscience Institute, Morgantown, WV, USA.
| | - James J Mahoney
- Department of Behavioral Medicine and Psychiatry, WVU Rockefeller Neuroscience Institute, Morgantown, WV, USA; Department of Neuroscience, WVU Rockefeller Neuroscience Institute, Morgantown, WV, USA
| | - Ali R Rezai
- Department of Neurosurgery, WVU Rockefeller Neuroscience Institute, Morgantown, WV, USA; Department of Neuroscience, WVU Rockefeller Neuroscience Institute, Morgantown, WV, 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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Harat M, Kiec M, Rudaś M, Birski M, Furtak J. Treating Aggression and Self-destructive Behaviors by Stimulating the Nucleus Accumbens: A Case Series. Front Neurol 2021; 12:706166. [PMID: 34707553 PMCID: PMC8542713 DOI: 10.3389/fneur.2021.706166] [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: 05/06/2021] [Accepted: 09/08/2021] [Indexed: 12/14/2022] Open
Abstract
Self-destructive and aggressive behaviors can have a significant impact on the quality of life of affected individuals and their carrers. While deep brain stimulation (DBS) has been applied to the treatment of self-destructive and aggressive behaviors in isolated cases, clinical data on this treatment modality are still lacking. We therefore assessed responses to treatment with bilateral DBS of the nucleus accumbens in six patients with severe self-destructive and aggressive behaviors. Three patients had Tourette syndrome and three had other underlying predispositions including obsessive compulsive disorder, cerebral palsy, encephalitis, and epilepsy. Patients were followed up for between 2 and 7 years, and patients were assessed using the Modified Overt Aggression Scale (six patients) and the Buss-Perry Aggression Questionnaire (three patients able to complete the questionnaire on their own). DBS reduced self-destructive and aggressive behaviors by 30–100% and by an average of 74.5%. Patients with Tourette syndrome responded better to DBS and improved by 27.3% according to the Buss-Perry Aggression Questionnaire. These results suggest that nuclei accumbens stimulation may be an effective treatment for aggressive and self-destructive behaviors regardless of etiology.
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Affiliation(s)
- Marek Harat
- Department of Neurosurgery and Neurology, Collegium Medicum of the Nicolaus Copernicus University, Toruń, Poland.,Neurosurgery Clinic, 10th Military Research Hospital, Bydgoszcz, Poland
| | - Michał Kiec
- Neurosurgery Clinic, 10th Military Research Hospital, Bydgoszcz, Poland
| | - Marcin Rudaś
- Neurosurgery Clinic, 10th Military Research Hospital, Bydgoszcz, Poland.,Clinic of Neurosurgery and Neurology, The Department of Neurosurgery and Neurotraumatology with the Treatment Improvement Sub-unit, Jan Biziel University Hospital No. 2, Bydgoszcz, Poland
| | - Marcin Birski
- Neurosurgery Clinic, 10th Military Research Hospital, Bydgoszcz, Poland
| | - Jacek Furtak
- Neurosurgery Clinic, 10th Military Research Hospital, Bydgoszcz, Poland
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Ranjan M, Ranjan N, Deogaonkar M, Rezai A. Deep Brain Stimulation for Refractory Depression, Obsessive-Compulsive Disorder and Addiction. Neurol India 2021; 68:S282-S287. [PMID: 33318363 DOI: 10.4103/0028-3886.302459] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Depression, Obsessive-compulsive Disorder (OCD), and addiction are the leading disabling psychiatric conditions with huge health care and psychosocial burden besides increased morbidity and mortality. Deep brain stimulation (DBS) for depression, OCD, and addiction is increasingly explored and is quite challenging. We present a brief review of the pertinent literature of DBS for depression, OCD, and addiction and present the status and challenges. Objective The aim of this study was to review the current status and challenges with the DBS for Depression, Obsessive-compulsive Disorder (OCD), and addiction. Method The pertinent brief literature was reviewed in reference to the DBS for Depression, Obsessive-compulsive Disorder (OCD), and addiction. Results To date, OCD is the only psychiatric condition approved for DBS therapy (under humanitarian device exemption). Although the initial encouraging results of DBS in depression were encouraging but the two larger multicenter clinical trials failed to meet the primary objective. Further evaluation and studies are ongoing. Similarly, the initial results of DBS for addiction are encouraging; however, the experience is limited. Conclusion DBS for depression, OCD, and addiction seem challenging but promising. Further refinement of the target and evaluation in a larger and controlled setting is needed, specifically for depression and addiction.
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Affiliation(s)
- Manish Ranjan
- Department of Neurosurgery, Rockefeller Neuroscience Institute, USA
| | - Nutan Ranjan
- Department of Behavioral Medicine and Psychiatry, West Virginia University, West Virginia, USA
| | | | - Ali Rezai
- Department of Neurosurgery, Rockefeller Neuroscience Institute, USA
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McLaughlin NC, Dougherty DD, Eskandar E, Ward H, Foote KD, Malone DA, Machado A, Wong W, Sedrak M, Goodman W, Kopell BH, Issa F, Shields DC, Abulseoud OA, Lee K, Frye MA, Widge AS, Deckersbach T, Okun MS, Bowers D, Bauer RM, Mason D, Kubu CS, Bernstein I, Lapidus K, Rosenthal DL, Jenkins RL, Read C, Malloy PF, Salloway S, Strong DR, Jones RN, Rasmussen SA, Greenberg BD. Double blind randomized controlled trial of deep brain stimulation for obsessive-compulsive disorder: Clinical trial design. Contemp Clin Trials Commun 2021; 22:100785. [PMID: 34189335 PMCID: PMC8219641 DOI: 10.1016/j.conctc.2021.100785] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 04/14/2021] [Accepted: 05/16/2021] [Indexed: 12/13/2022] Open
Abstract
Obsessive-compulsive disorder (OCD), a leading cause of disability, affects ~1–2% of the population, and can be distressing and disabling. About 1/3 of individuals demonstrate poor responsiveness to conventional treatments. A small proportion of these individuals may be deep brain stimulation (DBS) candidates. Candidacy is assessed through a multidisciplinary process including assessment of illness severity, chronicity, and functional impact. Optimization failure, despite multiple treatments, is critical during screening. Few patients nationwide are eligible for OCD DBS and thus a multi-center approach was necessary to obtain adequate sample size. The study was conducted over a six-year period and was a NIH-funded, eight-center sham-controlled trial of DBS targeting the ventral capsule/ventral striatum (VC/VS) region. There were 269 individuals who initially contacted the sites, in order to achieve 27 participants enrolled. Study enrollment required extensive review for eligibility, which was overseen by an independent advisory board. Disabling OCD had to be persistent for ≥5 years despite exhaustive medication and behavioral treatment. The final cohort was derived from a detailed consent process that included consent monitoring. Mean illness duration was 27.2 years. OCD symptom subtypes and psychiatric comorbidities varied, but all had severe disability with impaired quality of life and functioning. Participants were randomized to receive sham or active DBS for three months. Following this period, all participants received active DBS. Treatment assignment was masked to participants and raters and assessments were blinded. The final sample was consistent in demographic characteristics and clinical features when compared to other contemporary published prospective studies of OCD DBS. We report the clinical trial design, methods, and general demographics of this OCD DBS sample.
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Affiliation(s)
- Nicole C.R. McLaughlin
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
- Corresponding author. Alpert Medical School of Brown University Butler Hospital, 345 Blackstone Blvd. Providence, RI, 02906, USA.
| | - Darin D. Dougherty
- Massachusetts General Hospital, 149 13th Street; Charlestown, MA, 02129, USA
- Harvard Medical School, 25 Shattuck St., Boston, MA, 02115, USA
| | - Emad Eskandar
- Massachusetts General Hospital, 149 13th Street; Charlestown, MA, 02129, USA
- Harvard Medical School, 25 Shattuck St., Boston, MA, 02115, USA
| | - Herbert Ward
- Department of Psychiatry, UF Health Springhill, University of Florida, 4037 NW 86th Terrace, Gainesville, FL, 32606, USA
| | - Kelly D. Foote
- Norman Fixel Institute of Neurological Diseases, Department of Neurology, University of Florida, 3009 SW Williston Dr., Gainesville, FL, 32608, USA
| | - Donald A. Malone
- Cleveland Clinic Neurological Institute, 9500 Euclid Ave., Cleveland, OH, 44195, USA
| | - Andre Machado
- Cleveland Clinic Neurological Institute, 9500 Euclid Ave., Cleveland, OH, 44195, USA
| | - William Wong
- Kaiser Permanente, 1100 Veterans Blvd., Redwood City, CA, 94063, USA
| | - Mark Sedrak
- Kaiser Permanente, Department of Neurosurgery, 1150 Veterans Blvd., Redwood City, CA, 94063, USA
| | - Wayne Goodman
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, 1000 10th Avenue, New York, NY, 10011, USA
| | - Brian H. Kopell
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, 1000 10th Avenue, New York, NY, 10011, USA
| | - Fuad Issa
- Department of Psychiatry & Behavioral Sciences, School of Medicine & Health Sciences, George Washington University, 2120 L Street, NW, Suite 600, Washington, DC, 20037, USA
| | - Donald C. Shields
- Department of Neurosurgery, The George Washington University, 2150 Pennsylvania Ave., NW, Ste. 7-409 Washington, DC, 20037, USA
| | - Osama A. Abulseoud
- Neuroimaging Research Branch at the National Institute on Drug Abuse, 251 Bayview Boulevard, Baltimore, MD, 21224, USA
| | - Kendall Lee
- Mayo Clinic College of Medicine, 200 First Street SW, Rochester MN, 55901, USA
| | - Mark A. Frye
- Mayo Clinic College of Medicine, 200 First Street SW, Rochester MN, 55901, USA
| | - Alik S. Widge
- Massachusetts General Hospital, 149 13th Street; Charlestown, MA, 02129, USA
- Harvard Medical School, 25 Shattuck St., Boston, MA, 02115, USA
- Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA, 02139, USA
| | - Thilo Deckersbach
- University of Applied Sciences Europe, Dessauer Str. 3-5, 10963, Berlin, Germany
| | - Michael S. Okun
- Norman Fixel Institute of Neurological Diseases, Department of Neurology, University of Florida, 3009 SW Williston Dr., Gainesville, FL, 32608, USA
| | - Dawn Bowers
- Department of Clinical & Health Psychology, University of Florida, PO Box 100165, Gainesville, FL, 32610, USA
| | - Russell M. Bauer
- Department of Clinical & Health Psychology, University of Florida, PO Box 100165, Gainesville, FL, 32610, USA
| | - Dana Mason
- Department of Psychiatry, UF Health Springhill, University of Florida, 4037 NW 86th Terrace, Gainesville, FL, 32606, USA
| | - Cynthia S. Kubu
- Cleveland Clinic Neurological Institute, 9500 Euclid Ave., Cleveland, OH, 44195, USA
| | - Ivan Bernstein
- Kaiser Permanente, 1100 Veterans Blvd., Redwood City, CA, 94063, USA
| | - Kyle Lapidus
- Northwell Health, 300 West 72 Street, #1D, New York, NY, 10023, USA
| | - David L. Rosenthal
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, 1000 10th Avenue, New York, NY, 10011, USA
| | - Robert L. Jenkins
- Department of Psychiatry & Behavioral Sciences, School of Medicine & Health Sciences, George Washington University, 2120 L Street, NW, Suite 600, Washington, DC, 20037, USA
| | - Cynthia Read
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
| | - Paul F. Malloy
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
| | - Stephen Salloway
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
| | - David R. Strong
- Department of Family Medicine and Public Health, University of California, San Diego, 9500 Gilman Drive, La Jolla, Ca, 92093, USA
| | - Richard N. Jones
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
| | - Steven A. Rasmussen
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
| | - Benjamin D. Greenberg
- Butler Hospital, 345 Blackstone Blvd, Providence, RI, 02906, USA
- Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior, Providence, RI, USA
- Center for Neurorestoration & Neurotechnology, Providence VA Medical Center, 830 Chalkstone Ave., Bldg 32, Providence, RI, 02908, USA
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Senova S, Clair AH, Palfi S, Yelnik J, Domenech P, Mallet L. Deep Brain Stimulation for Refractory Obsessive-Compulsive Disorder: Towards an Individualized Approach. Front Psychiatry 2019; 10:905. [PMID: 31920754 PMCID: PMC6923766 DOI: 10.3389/fpsyt.2019.00905] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 11/15/2019] [Indexed: 12/19/2022] Open
Abstract
Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder featuring repetitive intrusive thoughts and behaviors associated with a significant handicap. Of patients, 20% are refractory to medication and cognitive behavioral therapy. Refractory OCD is associated with suicidal behavior and significant degradation of social and professional functioning, with high health costs. Deep brain stimulation (DBS) has been proposed as a reversible and controllable method to treat refractory patients, with meta-analyses showing 60% response rate following DBS, whatever the target: anterior limb of the internal capsule (ALIC), ventral capsule/ventral striatum (VC/VS), nucleus accumbens (NAcc), anteromedial subthalamic nucleus (amSTN), or inferior thalamic peduncle (ITP). But how do we choose the "best" target? Functional neuroimaging studies have shown that ALIC-DBS requires the modulation of the fiber tract within the ventral ALIC via the ventral striatum, bordering the bed nucleus of the stria terminalis and connecting the medial prefrontal cortex with the thalamus to be successful. VC/VS effective sites of stimulation were found within the VC and primarily connected to the medial orbitofrontal cortex (OFC) dorsomedial thalamus, amygdala, and the habenula. NAcc-DBS has been found to reduce OCD symptoms by decreasing excessive fronto-striatal connectivity between NAcc and the lateral and medial prefrontal cortex. The amSTN effective stimulation sites are located at the inferior medial border of the STN, primarily connected to lateral OFC, dorsal anterior cingulate, and dorsolateral prefrontal cortex. Finally, ITP-DBS recruits a bidirectional fiber pathway between the OFC and the thalamus. Thus, these functional connectivity studies show that the various DBS targets lie within the same diseased neural network. They share similar efficacy profiles on OCD symptoms as estimated on the Y-BOCS, the amSTN being the target supported by the strongest evidence in the literature. VC/VS-DBS, amSTN-DBS, and ALIC-DBS were also found to improve mood, behavioral adaptability and potentially both, respectively. Because OCD is such a heterogeneous disease with many different symptom dimensions, the ultimate aim should be to find the most appropriate DBS target for a given refractory patient. This quest will benefit from further investigation and understanding of the individual functional connectivity of OCD patients.
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Affiliation(s)
- Suhan Senova
- AP-HP, Groupe Hospitalier Henri-Mondor, DHU PePsy, Neurosurgery, Psychiatry and Addictology departments, Créteil, France.,Université Paris Est Creteil, Faculté de Médecine, Créteil, France.,IMRB UPEC/INSERM U 955 Team 14, Créteil, France
| | - Anne-Hélène Clair
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Institut du Cerveau et de la Moelle épinière, Paris, France
| | - Stéphane Palfi
- AP-HP, Groupe Hospitalier Henri-Mondor, DHU PePsy, Neurosurgery, Psychiatry and Addictology departments, Créteil, France.,Université Paris Est Creteil, Faculté de Médecine, Créteil, France.,IMRB UPEC/INSERM U 955 Team 14, Créteil, France
| | - Jérôme Yelnik
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Institut du Cerveau et de la Moelle épinière, Paris, France
| | - Philippe Domenech
- AP-HP, Groupe Hospitalier Henri-Mondor, DHU PePsy, Neurosurgery, Psychiatry and Addictology departments, Créteil, France.,Université Paris Est Creteil, Faculté de Médecine, Créteil, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Institut du Cerveau et de la Moelle épinière, Paris, France
| | - Luc Mallet
- AP-HP, Groupe Hospitalier Henri-Mondor, DHU PePsy, Neurosurgery, Psychiatry and Addictology departments, Créteil, France.,Université Paris Est Creteil, Faculté de Médecine, Créteil, France.,Sorbonne Universités, UPMC Univ Paris 06, CNRS, INSERM, Institut du Cerveau et de la Moelle épinière, Paris, France.,Department of Mental Health and Psychiatry, Global Health Institute, University of Geneva, Geneva, Switzerland
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Schoen NB, Jermakowicz WJ, Luca CC, Jagid JR. Acute symptomatic peri-lead edema 33 hours after deep brain stimulation surgery: a case report. J Med Case Rep 2017; 11:103. [PMID: 28407815 PMCID: PMC5391613 DOI: 10.1186/s13256-017-1275-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 03/21/2017] [Indexed: 11/10/2022] Open
Abstract
Background Symptomatic peri-lead edema is a rare complication of deep brain stimulation that has been reported to develop 4 to 120 days postoperatively. Case presentation Here we report the case of a 63-year-old Hispanic man with an 8-year history of Parkinson’s disease who underwent bilateral placement of subthalamic nucleus deep brain stimulation leads and presented with acute, symptomatic, unilateral, peri-lead edema just 33 hours after surgery. Conclusions We document a thorough radiographic time course showing the evolution of these peri-lead changes and their regression with steroid therapy, and discuss the therapeutic implications of these findings. We propose that the unilateral peri-lead edema after bilateral deep brain stimulation is the result of severe microtrauma with blood–brain barrier disruption. Knowledge of such early manifestation of peri-lead edema after deep brain stimulation is critical for ruling out stroke and infection and preventing unnecessary diagnostic testing or hardware removal in this rare patient population.
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Affiliation(s)
- Nathan B Schoen
- Department of Neurological Surgery, University of Miami Miller School of Medicine, 1150 NW 14th St., Miami, Florida, 33136, USA.
| | - Walter J Jermakowicz
- Department of Neurological Surgery, University of Miami Miller School of Medicine, 1150 NW 14th St., Miami, Florida, 33136, USA
| | - Corneliu C Luca
- University of Miami Miller School of Medicine, 1150 NW 14th St., Miami, Florida, 33136, USA
| | - Jonathan R Jagid
- Department of Neurological Surgery, University of Miami Miller School of Medicine, 1150 NW 14th St., Miami, Florida, 33136, USA
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Rangarajan JR, Vande Velde G, van Gent F, De Vloo P, Dresselaers T, Depypere M, van Kuyck K, Nuttin B, Himmelreich U, Maes F. Image-based in vivo assessment of targeting accuracy of stereotactic brain surgery in experimental rodent models. Sci Rep 2016; 6:38058. [PMID: 27901096 PMCID: PMC5128925 DOI: 10.1038/srep38058] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 11/01/2016] [Indexed: 01/27/2023] Open
Abstract
Stereotactic neurosurgery is used in pre-clinical research of neurological and psychiatric disorders in experimental rat and mouse models to engraft a needle or electrode at a pre-defined location in the brain. However, inaccurate targeting may confound the results of such experiments. In contrast to the clinical practice, inaccurate targeting in rodents remains usually unnoticed until assessed by ex vivo end-point histology. We here propose a workflow for in vivo assessment of stereotactic targeting accuracy in small animal studies based on multi-modal post-operative imaging. The surgical trajectory in each individual animal is reconstructed in 3D from the physical implant imaged in post-operative CT and/or its trace as visible in post-operative MRI. By co-registering post-operative images of individual animals to a common stereotaxic template, targeting accuracy is quantified. Two commonly used neuromodulation regions were used as targets. Target localization errors showed not only variability, but also inaccuracy in targeting. Only about 30% of electrodes were within the subnucleus structure that was targeted and a-specific adverse effects were also noted. Shifting from invasive/subjective 2D histology towards objective in vivo 3D imaging-based assessment of targeting accuracy may benefit a more effective use of the experimental data by excluding off-target cases early in the study.
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Affiliation(s)
- Janaki Raman Rangarajan
- Department of Electrical Engineering (ESAT/PSI), KU Leuven & Medical Imaging Research Center, University Hospital Leuven, Leuven, Flanders, Belgium
- Molecular Small Animal Imaging Center (MoSAIC), Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Greetje Vande Velde
- Molecular Small Animal Imaging Center (MoSAIC), Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
- Biomedical MRI unit, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Friso van Gent
- Biomedical MRI unit, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
- Laboratory for Experimental Functional Neurosurgery, Department of Neurosciences, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Philippe De Vloo
- Laboratory for Experimental Functional Neurosurgery, Department of Neurosciences, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Tom Dresselaers
- Molecular Small Animal Imaging Center (MoSAIC), Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
- Biomedical MRI unit, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Maarten Depypere
- Department of Electrical Engineering (ESAT/PSI), KU Leuven & Medical Imaging Research Center, University Hospital Leuven, Leuven, Flanders, Belgium
| | - Kris van Kuyck
- Laboratory for Experimental Functional Neurosurgery, Department of Neurosciences, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Bart Nuttin
- Laboratory for Experimental Functional Neurosurgery, Department of Neurosciences, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Uwe Himmelreich
- Molecular Small Animal Imaging Center (MoSAIC), Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
- Biomedical MRI unit, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven, Leuven, Flanders, Belgium
| | - Frederik Maes
- Department of Electrical Engineering (ESAT/PSI), KU Leuven & Medical Imaging Research Center, University Hospital Leuven, Leuven, Flanders, Belgium
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Jagid J, Madhavan K, Bregy A, Desai M, Ruiz A, Quencer R, Landy HJ. Deep brain stimulation complicated by bilateral large cystic cavitation around the leads in a patient with Parkinson's disease. BMJ Case Rep 2015; 2015:bcr-2015-211470. [PMID: 26475878 DOI: 10.1136/bcr-2015-211470] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Deep brain stimulation (DBS) is an approved and effective therapy for patients suffering from advanced Parkinson's disease (PD). Several clinical trials have indicated significant motor function improvement in patients undergoing subthalamic nucleus stimulation. This therapy is, rarely, associated with complications, mostly related to infections, seizures or stimulation-induced side effects. We report a case of a 71-year-old man with a 10-year history of PD who underwent bilateral placement of subthalamic nucleus DBS. As a complication, the patient showed subjective postoperative cognitive decline, and subsequent MRI showed peri-lead oedema, which progressed to large cystic cavitation around the leads without indication of infection. The patient received steroid therapy and the cavitations regressed without surgical intervention.
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Affiliation(s)
- Jonathan Jagid
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Karthik Madhavan
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Amade Bregy
- Department of Radiology, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Mehul Desai
- Department of Radiology, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Armando Ruiz
- Department of Radiology, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Robert Quencer
- Department of Radiology, University of Miami Miller School of Medicine, Miami, Florida, USA
| | - Howard J Landy
- Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA
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10
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Abstract
Despite the application of deep brain stimulation (DBS) as an efficient treatment modality for psychiatric disorders, such as obsessive-compulsive disorder (OCD), Gilles de la Tourette Syndrome (GTS), and treatment refractory major depression (TRD), few patients are operated or included in clinical trials, often for fear of the potential risks of an approach deemed too dangerous. To assess the surgical risks, we conducted an analysis of publications on DBS for psychiatric disorders. A PubMed search was conducted on reports on DBS for OCD, GTS, and TRD. Forty-nine articles were included. Only reports on complications related to DBS were selected and analyzed. Two hundred seventy-two patients with a mean follow-up of 22 months were included in our analysis. Surgical mortality was nil. The overall mortality was 1.1 %: two suicides were unrelated to DBS and one death was reported to be unlikely due to DBS. The majority of complications were transient and related to stimulation. Long-term morbidity occurred in 16.5 % of cases. Three patients had permanent neurological complications due to intracerebral hemorrhage (2.2 %). Complications reported in DBS for psychiatric diseases appear to be similar to those reported for DBS in movement disorders. But class I evidence is lacking. Our analysis was based mainly on small non-randomized studies. A significant number of patients (approximately 150 patients) who were treated with DBS for psychiatric diseases had to be excluded from our analysis as no data on complications was available. The exact prevalence of complications of DBS in psychiatric diseases could not be established. DBS for psychiatric diseases is promising, but remains an experimental technique in need of further evaluation. A close surveillance of patients undergoing DBS for psychiatric diseases is mandatory.
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Abstract
Major depressive disorder is a worldwide disease with debilitating effects on a patient's life. Common treatments include pharmacotherapy, psychotherapy, and electroconvulsive therapy. Many patients do not respond to these treatments; this has led to the investigation of alternative therapeutic modalities. Deep brain stimulation (DBS) is one of these modalities. It was first used with success for treating movement disorders and has since been extended to the treatment of psychiatric disorders. Although DBS is still an emerging treatment, promising efficacy and safety have been demonstrated in preliminary trials in patients with treatment-resistant depression (TRD). Further, neuroimaging has played a pivotal role in identifying some DBS targets and remains an important tool for evaluating the mechanism of action of this novel intervention. Preclinical animal studies have broadened knowledge about the possible mechanisms of action of DBS for TRD, Given that DBS involves neurosurgery in patients with severe psychiatric impairment, ethical questions concerning capacity to consent arise; these issues must continue to be carefully considered.
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Affiliation(s)
- Sibylle Delaloye
- Department of Psychiatry, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire, USA
| | - Paul E Holtzheimer
- Department of Psychiatry, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire, USA
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12
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Bell E, Racine E. Ethics guidance for neurological and psychiatric deep brain stimulation. HANDBOOK OF CLINICAL NEUROLOGY 2013; 116:313-25. [DOI: 10.1016/b978-0-444-53497-2.00026-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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13
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Hamani C, Temel Y. Deep Brain Stimulation for Psychiatric Disease: Contributions and Validity of Animal Models. Sci Transl Med 2012; 4:142rv8. [DOI: 10.1126/scitranslmed.3003722] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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14
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Tsai HC, Chang CH, Pan JI, Hsieh HJ, Tsai ST, Hung HY, Chen SY. Pilot study of deep brain stimulation in refractory obsessive-compulsive disorder ethnic Chinese patients. Psychiatry Clin Neurosci 2012; 66:303-12. [PMID: 22624735 DOI: 10.1111/j.1440-1819.2012.02352.x] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
AIMS Deep brain stimulation (DBS) of the ventral capsule/ventral striatum (VC/VS) is a promising alternative to ablative surgery in treatment of refractory obsessive-compulsive disorder (OCD). A pilot study was conducted to assess 15-month outcomes of DBS in patients with refractory OCD in Taiwan. METHODS Four adult patients with a 3-year or more history of refractory OCD (Yale-Brown Obsessive-Compulsive Scale [Y-BOCS] score of at least 28) met the criteria for DBS surgery. DBS electrodes were implanted bilaterally in the VC/VS. Stimulation was adjusted for therapeutic benefit and absence of adverse effects. Psychiatric evaluation was conducted preoperatively, postoperatively, and at follow up at every 3 months for 15 months. Primary outcome measure was Y-BOCS. Secondary outcomes included the Hamilton Depression Rating Scale (HAM-D), and the Global Assessment of Function Scale. RESULTS Mean severity of OCD was a Y-BOCS score of 36.3 ± 2.1. At the end of 15 months' follow up, there was a 33.06% decrease in OCD severity (P = 0.001). Similar findings were seen for HAM-D (32.51% reduction, P = 0.005), and Global Assessment of Function Scale (31.03% increase, P = 0.026). In terms of adverse effects, two patients suffered from hypomania episodes after several weeks of DBS stimulation, and one had transient hypomania-like syndrome during DBS initial programming. One patient (Case 1) had an allergic reaction to implantation of the pulse generator in the chest, and another patient (Case 3) exhibited vertigo. CONCLUSIONS We confirm that DBS of the VC/VS appears to be beneficial for improvements in function and mood among patients with treatment-resistant OCD. Compared to previous studies examining the therapeutic effects of DBS, no serious adverse effects were observed.
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Affiliation(s)
- Hsin-Chi Tsai
- Institute of Medical Science, Tzu-Chi University, Hualien, Taiwan
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15
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Kubu CS, Ford PJ. Beyond Mere Symptom Relief in Deep Brain Stimulation: An Ethical Obligation for Multi-faceted Assessment of Outcome. AJOB Neurosci 2012; 3:44-49. [PMID: 22737593 DOI: 10.1080/21507740.2011.633960] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Assessment of outcome following Deep Brain Stimulation (DBS) has traditionally focused on symptom specific and quality of life measures. Greater attention needs to be paid to the diversity of patient goals and values, as well as recognition of the shifting nature of those goals over the course of DBS therapy. We report preliminary data from an empirical study examining patients' goals with respect to DBS in the treatment of Parkinson disease. We argue that a multifaceted assessment of outcome over time, including well validated symptom measures, quality of life, functional and patient specific metrics, is ethically necessary in order to fulfill fiduciary and professional responsibilities. These assessments should be augmented with a deliberative multi-disciplinary process of review and evaluation. Such an approach will lead to improved inform consent, promote better clinical research, and facilitate good patient care by providing a systematic mechanism for capturing and acting on important patient insights. These processes become increasingly critical as DBS begins to be applied to neuropsychiatric disorders.
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Fins JJ, Mayberg HS, Nuttin B, Kubu CS, Galert T, Sturm V, Stoppenbrink K, Merkel R, Schlaepfer TE. Misuse of the FDA's humanitarian device exemption in deep brain stimulation for obsessive-compulsive disorder. Health Aff (Millwood) 2011; 30:302-11. [PMID: 21289352 DOI: 10.1377/hlthaff.2010.0157] [Citation(s) in RCA: 89] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Deep brain stimulation-a novel surgical procedure-is emerging as a treatment of last resort for people diagnosed with neuropsychiatric disorders such as severe obsessive-compulsive disorder. The US Food and Drug Administration granted a so-called humanitarian device exemption to allow patients to access this intervention, thereby removing the requirement for a clinical trial of the appropriate size and statistical power. Bypassing the rigors of such trials puts patients at risk, limits opportunities for scientific discovery, and gives device manufacturers unique marketing opportunities. We argue that Congress and federal regulators should revisit the humanitarian device exemption to ensure that it is not used to sidestep careful research that can offer valuable data with appropriate patient safeguards.
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Affiliation(s)
- Joseph J Fins
- Division of Medical Ethics at the Weill Medical College of Cornell University, in New York City, NY, USA.
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Responsive Neurostimulation Suppresses Synchronized Cortical Rhythms in Patients with Epilepsy. Neurosurg Clin N Am 2011; 22:481-8, vi. [DOI: 10.1016/j.nec.2011.07.007] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Deogaonkar M, Nazzaro JM, Machado A, Rezai A. Transient, symptomatic, post-operative, non-infectious hypodensity around the deep brain stimulation (DBS) electrode. J Clin Neurosci 2011; 18:910-5. [DOI: 10.1016/j.jocn.2010.11.020] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2010] [Accepted: 11/06/2010] [Indexed: 10/18/2022]
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Schlaepfer TE, Bewernick B, Kayser S, Lenz D. Modulating affect, cognition, and behavior - prospects of deep brain stimulation for treatment-resistant psychiatric disorders. Front Integr Neurosci 2011; 5:29. [PMID: 21738500 PMCID: PMC3125515 DOI: 10.3389/fnint.2011.00029] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Accepted: 06/14/2011] [Indexed: 11/30/2022] Open
Abstract
Most patients suffering from psychiatric disorders respond to combinations of psycho- and psychopharmacotherapy; however there are patients who profit little if anything even after many years of treatment. Since about a decade different modalities of targeted neuromodulation – among them most prominently – deep brain stimulation (DBS) – are being actively researched as putative approaches to very treatment-resistant forms of those disorders. Recently, promising pilot data have been reported both for major depression (MD) and obsessive–compulsive disorder (OCD). Given the fact that patients included in DBS studies had been treated unsuccessfully for many years with conventional treatment methods, renders these findings remarkable. Remarkable is the fact, that in case of the long-term studies underway for MD, patients show a stable response. This gives hope to a substantial percentage of therapy–resistant psychiatric patients requiring new therapy approaches. There are no fundamental ethic objections to its use in psychiatric disorders, but until substantial clinical data is available, mandatory standards are needed. DBS is a unique and very promising method for the treatment of therapy–resistant psychiatric patients. The method allows manipulating pathological neuronal networks in a very precise way.
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Affiliation(s)
- Thomas E Schlaepfer
- Brain Stimulation Group, Department of Psychiatry and Psychotherapy, University of Bonn Bonn, Germany
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20
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Bell E, Maxwell B, McAndrews MP, Sadikot AF, Racine E. A review of social and relational aspects of deep brain stimulation in Parkinson's disease informed by healthcare provider experiences. PARKINSONS DISEASE 2011; 2011:871874. [PMID: 21822472 PMCID: PMC3132670 DOI: 10.4061/2011/871874] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/13/2010] [Accepted: 02/15/2011] [Indexed: 11/20/2022]
Abstract
Background. Although the clinical effectiveness of deep brain stimulation (DBS) in Parkinson's disease is established, there has been less examination of its social aspects. Methods and Results. Building on qualitative comments provided by healthcare providers, we present four different social and relational issues (need for social support, changes in relationships (with self and partner) and challenges with regards to occupation and the social system). We review the literature from multiple disciplines on each issue. We comment on their ethical implications and conclude by establishing the future prospects for research with the possible expansion of DBS for psychiatric indications. Conclusions. Our review demonstrates that there are varied social issues involved in DBS. These issues may have significant impacts on the perceived outcome of DBS by patients. Moreover, the fact that the social impact of DBS is still not well understood in emerging psychiatric indications presents an important area for future examination.
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Affiliation(s)
- Emily Bell
- Neuroethics Research Unit, Institut de recherches cliniques de Montréal (IRCM), Montréal, QC, Canada H2W lR7
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Dunn LB, Holtzheimer PE, Hoop JG, Mayberg HS, Appelbaum PS. Ethical Issues in Deep Brain Stimulation Research for Treatment-Resistant Depression: Focus on Risk and Consent. AJOB Neurosci 2011; 2:29-36. [PMID: 26229726 PMCID: PMC4517472 DOI: 10.1080/21507740.2010.533638] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Deep brain stimulation (DBS) is currently in pivotal trials as an intervention for treatment-resistant depression (TRD). Although offering hope for TRD, DBS also provokes ethical concerns-particularly about decision-making capacity of people with depression-among bioethicists, investigators, institutional review boards, and the public. Here, we examine this critical issue of informed consent for DBS research using available evidence regarding decision-making capacity and depression. Further, we explore the implications of the nature of TRD as well as that of the intervention (invasive brain surgery) for informed consent. Based on these analyses, we argue that additional safeguards specific to DBS research for TRD, beyond those that might be used in any higher risk study, are not supported by available empirical evidence. We nevertheless underscore the limited data on such invasive procedures in severely ill psychiatric patients and advocate a research agenda for the systematic study of ethical issues raised by these research endeavors.
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Le Jeune F, Vérin M, N'Diaye K, Drapier D, Leray E, Du Montcel ST, Baup N, Pelissolo A, Polosan M, Mallet L, Yelnik J, Devaux B, Fontaine D, Chereau I, Bourguignon A, Peron J, Sauleau P, Raoul S, Garin E, Krebs MO, Jaafari N, Millet B. Decrease of prefrontal metabolism after subthalamic stimulation in obsessive-compulsive disorder: a positron emission tomography study. Biol Psychiatry 2010; 68:1016-22. [PMID: 20951978 DOI: 10.1016/j.biopsych.2010.06.033] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2009] [Revised: 05/04/2010] [Accepted: 06/08/2010] [Indexed: 12/22/2022]
Abstract
BACKGROUND High-frequency bilateral subthalamic nucleus (STN) deep brain stimulation (DBS) is a promising treatment in refractory obsessive-compulsive disorder (OCD). METHOD Using the crossover, randomized, and double-blind procedure adopted by the STOC study, 10 patients treated with high-frequency bilateral STN DBS underwent am 18-fluorodeoxyglucose positron emission tomography (PET) investigation to highlight the neural substratum of this therapeutic approach. RESULTS The median Yale-Brown Obsessive Compulsive Scale (Y-BOCS) scores for all 10 patients were 31 (minimum = 18, maximum = 36) with "Off-Stimulation" status and 19 (minimum = 0, maximum = 30) with "On-Stimulation" status (p = .05). The OCD patients in Off-Stimulation status showed a hypermetabolism in the right frontal middle and superior gyri, right parietal lobe, postcentral gyrus, and bilateral putamen compared with healthy control subjects. A significant decrease in cerebral metabolism was observed in the left cingulate gyrus and the left frontal medial gyrus in On-Stimulation conditions compared with Off-Stimulation conditions. In addition, the improvement assessed by Y-BOCS scores during the On-Stimulation conditions was positively correlated with PET signal changes at the boundary of the orbitofrontal cortex and the medial prefrontal cortex, between PET signal changes and the Y-BOCS scores modifications in On-Stimulation status. CONCLUSION This study suggests that the therapeutic effect of STN DBS is related to a decrease in prefrontal cortex metabolism.
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Affiliation(s)
- Florence Le Jeune
- Department of Nuclear Medicine, Centre Eugène Marquis, Rennes, France.
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23
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Quintana A, Melon C, Goff LKL, Salin P, Savasta M, Sgambato-Faure V. Forelimb dyskinesia mediated by high-frequency stimulation of the subthalamic nucleus is linked to rapid activation of the NR2B subunit of N-methyl-d-aspartate receptors. Eur J Neurosci 2010; 32:423-34. [DOI: 10.1111/j.1460-9568.2010.07290.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lakhan SE, Callaway E. Deep brain stimulation for obsessive-compulsive disorder and treatment-resistant depression: systematic review. BMC Res Notes 2010; 3:60. [PMID: 20202203 PMCID: PMC2838907 DOI: 10.1186/1756-0500-3-60] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2010] [Accepted: 03/04/2010] [Indexed: 12/04/2022] Open
Abstract
Background In spite of advances in psychotherapy and pharmacotherapy, there are still a significant number of patients with depression and obsessive-compulsive disorder that are not aided by either intervention. Although still in the experimental stage, deep brain stimulation (DBS) offers many advantages over other physically-invasive procedures as a treatment for these psychiatric disorders. The purpose of this study is to systematically review reports on clinical trials of DBS for obsessive-compulsive disorder (OCD) and treatment-resistant depression (TRD). Locations for stimulation, success rates and effects of the stimulation on brain metabolism are noted when available. The first observation of the effects of DBS on OCD and TRD came in the course of using DBS to treat movement disorders. Reports of changes in OCD and depression during such studies are reviewed with particular attention to electrode locations and associated adverse events; although these reports were adventitious observations rather than planned. Subsequent studies have been guided by more precise theories of structures involved in DBS and OICD. This study suggests stimulation sites and prognostic indicators for DBS. We also briefly review tractography, a relatively new procedure that holds great promise for the further development of DBS. Methods Articles were retrieved from MEDLINE via PubMed. Relevant references in retrieved articles were followed up. We included all articles reporting on studies of patients selected for having OCD or TRD. Adequacy of the selected studies was evaluated by the Jadad scale. Evaluation criteria included: number of patients, use of recognized psychiatric rating scales, and use of brain blood flow measurements. Success rates classified as "improved" or "recovered" were recorded. Studies of DBS for movement disorders were included if they reported coincidental relief of depression or reduction in OCD. Most of the studies involved small numbers of subjects so individual studies were reviewed. Results While the number of cases was small, these were extremely treatment-resistant patients. While not everyone responded, about half the patients did show dramatic improvement. Associated adverse events were generally trivial in younger psychiatric patients but often severe in older movement disorder patients. The procedures differed from study to study, and the numbers of patients was usually too small to do meaningful statistics or make valid inferences as to who will respond to treatment. Conclusions DBS is considered a promising technique for OCD and TRD. Outstanding questions about patient selection and electrode placement can probably be resolved by (a) larger studies, (b) genetic studies and (c) imaging studies (MRI, fMRI, PET, and tractography).
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Affiliation(s)
- Shaheen E Lakhan
- Global Neuroscience Initiative Foundation, Los Angeles, CA, USA.
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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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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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Rabins P, Appleby BS, Brandt J, DeLong MR, Dunn LB, Gabriëls L, Greenberg BD, Haber SN, Holtzheimer PE, Mari Z, Mayberg HS, McCann E, Mink SP, Rasmussen S, Schlaepfer TE, Vawter DE, Vitek JL, Walkup J, Mathews DJH. Scientific and ethical issues related to deep brain stimulation for disorders of mood, behavior, and thought. ACTA ACUST UNITED AC 2009; 66:931-7. [PMID: 19736349 DOI: 10.1001/archgenpsychiatry.2009.113] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
CONTEXT A 2-day consensus conference was held to examine scientific and ethical issues in the application of deep brain stimulation for treating mood and behavioral disorders, such as major depression, obsessive-compulsive disorder, and Tourette syndrome. OBJECTIVES The primary objectives of the conference were to (1) establish consensus among participants about the design of future clinical trials of deep brain stimulation for disorders of mood, behavior, and thought and (2) develop standards for the protection of human subjects participating in such studies. RESULTS Conference participants identified 16 key points for guiding research in this growing field. CONCLUSIONS The adoption of the described guidelines would help to protect the safety and rights of research subjects who participate in clinical trials of deep brain stimulation for disorders of mood, behavior, and thought and have further potential to benefit other stakeholders in the research process, including clinical researchers and device manufactures. That said, the adoption of the guidelines will require broad and substantial commitment from many of these same stakeholders.
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Affiliation(s)
- Peter Rabins
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Hospital, Baltimore, MD 21205, USA
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Bell E, Mathieu G, Racine E. Preparing the ethical future of deep brain stimulation. ACTA ACUST UNITED AC 2009; 72:577-86; discussion 586. [PMID: 19608246 DOI: 10.1016/j.surneu.2009.03.029] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Accepted: 03/24/2009] [Indexed: 01/03/2023]
Abstract
BACKGROUND Deep brain stimulation is an approved and effective neurosurgical intervention for motor disorders such as PD and ET. Deep brain stimulation may also be effective in treating a number of psychiatric disorders, including treatment refractory depression and OCD. Although DBS is a widely accepted therapy in motor disorders, it remains an invasive and expensive procedure. The ethical and social challenges of DBS need further examination, and discussion and emerging applications of DBS in psychiatry may also complicate the ethical landscape of DBS. METHODS To identify and characterize current and emerging issues in the use of DBS, we reviewed the neurosurgical literature on DBS as well as the interdisciplinary medical ethics and relevant psychological and sociological literatures. We also consulted the USPTO database, FDA regulations and report decisions, and the business reports of key DBS manufacturers. RESULTS Important ethical and social challenges exist in the current and extending practice of DBS, notably in patient selection, informed consent, resource allocation, and in public understanding. These challenges are likely to be amplified if emerging uses of DBS in psychiatry are approved. CONCLUSIONS Our review of ethical and social issues related to DBS highlights that several significant challenges, although not insurmountable, need much closer attention. A combination of approaches previously used in neuroethics, such as expert consensus workshops to establish ethical guidelines and public engagement to improve public understanding, may be fruitful to explore.
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Affiliation(s)
- Emily Bell
- Neuroethics Research Unit, Institut de recherches cliniques de Montréal, Montréal, QC, Canada
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Mukhida K, Bishop M, Hong M, Mendez I. Neurosurgical strategies for Gilles de la Tourette's syndrome. Neuropsychiatr Dis Treat 2008; 4:1111-28. [PMID: 19337454 PMCID: PMC2646643 DOI: 10.2147/ndt.s4160] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Tourette's syndrome (TS) is a neurological disorder characterized by motor and vocal tics that typically begin in childhood and often are accompanied by psychiatric comorbidities. Symptoms of TS may be socially disabling and cause secondary medical complications. Pharmacological therapies remain the mainstay of symptom management. For the subset of patients in whom TS symptoms are medically recalcitrant and do not dissipate by adulthood, neurosurgery may offer an alternative treatment strategy. Greater understanding of the neuroanatomic and pathophysiologic basis of TS has facilitated the development of surgical procedures that aim to ameliorate TS symptoms by lesions or deep brain stimulation of cerebral structures. Herein, the rationale for the surgical management of TS is discussed and neurosurgical experiences since the 1960s are reviewed. The necessity for neurosurgical strategies to be performed with appropriate ethical considerations is highlighted.
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Affiliation(s)
- Karim Mukhida
- Division of Neurosurgery, University of Toronto, Toronto, Ontario, Canada
- Departments of Anatomy and Neurobiology and Surgery (Neurosurgery), Dalhousie University, Halifax, Nova Scotia, Canada
| | - Matthew Bishop
- Departments of Anatomy and Neurobiology and Surgery (Neurosurgery), Dalhousie University, Halifax, Nova Scotia, Canada
| | - Murray Hong
- Departments of Anatomy and Neurobiology and Surgery (Neurosurgery), Dalhousie University, Halifax, Nova Scotia, Canada
| | - Ivar Mendez
- Departments of Anatomy and Neurobiology and Surgery (Neurosurgery), Dalhousie University, Halifax, Nova Scotia, Canada
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Welkenhuysen M, van Kuyck K, Das J, Sciot R, Nuttin B. Electrical stimulation in the lateral hypothalamus in rats in the activity-based anorexia model. Neurosurg Focus 2008; 25:E7. [DOI: 10.3171/foc/2008/25/7/e7] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
One quarter of patients with anorexia nervosa have a poor outcome and continue to suffer chronically or die. Electrical brain stimulation may be of therapeutic benefit in some of these patients; however, the brain target for inducing symptom relief is unknown. In this study, the authors evaluated the effects of acute and chronic electrical stimulation in the lateral hypothalamus on food intake, locomotor activity, and survival time in rats in an activity-based anorexia model.
Methods
In an acute experiment, the authors electrically stimulated at 100 Hz and 0, 25, 50 and 75% of the maximal stimulation amplitude (that is, the amplitude leading to severe side effects) in the lateral hypothalamus on consecutive days during 4 test sessions in 10 rats and evaluated food intake and locomotor activity. In a chronic experiment, they compared food intake, wheel revolutions, and survival time between 6 rats that underwent electrical stimulation in the lateral hypothalamus (50% of maximal stimulation amplitude) and 8 rats that did not undergo stimulation.
Results
In the acute experiment, overall electrical stimulation (25, 50, and 75% combined) and stimulation at 75% of the maximal stimulation amplitude significantly decreased the locomotor activity. However, if the authors omitted results of 1 rat, in which the electrode tip was not located in the lateral hypothalamus on one side but rather in the supraoptic chiasm, the remaining results did not yield significance. No other differences were observed.
Conclusions
When the findings of the current study are extrapolated to patients with anorexia nervosa, the authors do not expect major effects on symptoms with electrical stimulation at high frequency in the lateral hypothalamus.
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Affiliation(s)
- Marleen Welkenhuysen
- 1Laboratory of Experimental Functional Neurosurgery, Department of Neuroscience; and
| | - Kris van Kuyck
- 1Laboratory of Experimental Functional Neurosurgery, Department of Neuroscience; and
| | - John Das
- 1Laboratory of Experimental Functional Neurosurgery, Department of Neuroscience; and
| | - Raf Sciot
- 2Department of Morphology and Molecular Pathology Section, Katholieke Universiteit Leuven, Provisorium I, Leuven, Belgium
| | - Bart Nuttin
- 1Laboratory of Experimental Functional Neurosurgery, Department of Neuroscience; and
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Baker KB, Kopell BH, Malone D, Horenstein C, Lowe M, Phillips MD, Rezai AR. Deep brain stimulation for obsessive-compulsive disorder: using functional magnetic resonance imaging and electrophysiological techniques: technical case report. Neurosurgery 2008; 61:E367-8; discussion E368. [PMID: 18091226 DOI: 10.1227/01.neu.0000303995.66902.36] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE AND IMPORTANCE To demonstrate the pattern of activation associated with electrical stimulation through bilateral deep brain stimulation electrodes placed within the anterior limb of the internal capsule to the level of the ventral striatum for treatment of obsessive-compulsive disorder. CLINICAL PRESENTATION A 44-year-old man with a 26-year history of obsessive-compulsive disorder underwent functional magnetic resonance imaging (fMRI) and deep brain stimulation-evoked cortical potential testing after bilateral implantation of deep brain stimulation leads. Stimulation was delivered independently through the distal two contacts of each percutaneously extended lead using an external pulse generator. On postoperative Day 2, we used a 3-Tesla magnetic resonance system to measure changes in the fMRI blood oxygen level-dependent signal using stimulation parameters that were predetermined to demonstrate behavioral effects. INTERVENTION All studies were well tolerated. Trial stimulations performed intraoperatively as well as on postsurgical Day 1 were associated with acutely elevated mood and reduced anxiety. Although the benefit achieved acutely was relatively symmetric between the bilaterally placed leads, follow-up programming showed a clear advantage to right-sided stimulation. Three of the four fMRI trials demonstrated good activation, with the fourth being moderately corrupted by motion artifact. The beneficial effects observed with right-sided stimulation were associated with activation of the ipsilateral head of the caudate, medial thalamus, and anterior cingulate cortex as well as the contralateral cerebellum. The distribution of the cortical evoked potentials was consistent with the locus of cortical activation observed with fMRI. CONCLUSION High-frequency stimulation via a lead placed in the anterior limb of the internal capsule induced widespread hemodynamic changes at both the cortical and subcortical levels including areas typically associated with the pathogenesis of obsessive-compulsive disorder.
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Affiliation(s)
- Kenneth B Baker
- Department of Neuroscience, The Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.
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Berger TW, Gerhardt G, Liker MA, Soussou W. The Impact of Neurotechnology on Rehabilitation. IEEE Rev Biomed Eng 2008; 1:157-97. [PMID: 22274903 DOI: 10.1109/rbme.2008.2008687] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Theodore W Berger
- Department of Biomedical Engineering, Center for Neural Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, CA 90089, USA
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Jiménez F, Velasco F, Salín-Pascual R, Velasco M, Nicolini H, Velasco AL, Castro G. Neuromodulation of the inferior thalamic peduncle for major depression and obsessive compulsive disorder. ACTA NEUROCHIRURGICA. SUPPLEMENT 2007; 97:393-8. [PMID: 17691327 DOI: 10.1007/978-3-211-33081-4_44] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Neuromodulation of the inferior thalamic peduncle is a new surgical treatment for major depression and obsessive-compulsive disorder. The inferior thalamic peduncle is a bundle of fibers connecting the orbito-frontal cortex with the non-specific thalamic system in a small area behind the fornix and anterior to the polar reticular thalamic nucleus. Electrical stimulation elicits characteristic frontal cortical responses (recruiting responses and direct current (DC)-shift) that confirm correct localization of this anatomical structure. A female with depression for 23 years and a male with obsessive-compulsive disorder for 9 years had stereotactic implantation of electrodes in the inferior thalamic peduncle and were evaluated over a long-term period. Initial OFF stimulation period (1 month) showed no consistent changes in the Hamilton Depression Scale (HAM-D), Yale Brown Obsessive Compulsive Scale (YBOCS), or Global Assessment of Functioning scale (GAF). The ON stimulation period (3-5 V, 130-Hz frequency, 450-msec pulse width in a continuous program) showed significant decrease in depression, obsession, and compulsion symptoms. GAF improved significantly in both cases. The neuropsychological tests battery showed no significant changes except from a reduction in the perseverative response of the obsessive-compulsive patient and better performance in manual praxias of the female depressive patient. Moderate increase in weight (5 kg on average) was observed in both cases.
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Affiliation(s)
- F Jiménez
- Functional Neurosurgery, Stereotactic and Radiosurgery Unit, Hospital General De México, Mexico City, Mexico.
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35
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Abstract
BACKGROUND Deep brain stimulation (DBS) has emerged as an important treatment for medication refractory movement and neuropsychiatric disorders. General neurologists and even general practitioners may be called upon to screen potential candidates for DBS. The patient selection process plays an important role in this procedure. REVIEW SUMMARY In this article, we discuss "pearls" for the clinician who may be called upon to identify appropriate candidates for DBS. Additionally, we will discuss the important points that should be considered when referring patients for surgical intervention. CONCLUSION Diagnosis, response to levodopa, cognitive status, psychiatric status, access to care, and patient expectations are all essential elements of the patient selection process for DBS. These areas must be adequately addressed prior to any surgical procedure.
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Affiliation(s)
- Ramon L Rodriguez
- Department of Neurology, University of Florida Movement Disorders Center, McKnight Brain Institute, Gainesville, Florida, USA.
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36
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Sudhyadhom A, Bova FJ, Foote KD, Rosado CA, Kirsch-Darrow L, Okun MS. Limbic, associative, and motor territories within the targets for deep brain stimulation: Potential clinical implications. Curr Neurol Neurosci Rep 2007; 7:278-89. [PMID: 17618533 DOI: 10.1007/s11910-007-0043-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The use of deep brain stimulation (DBS) has recently been expanding for the treatment of many neurologic disorders such as Parkinson disease, dystonia, essential tremor, Tourette's syndrome, cluster headache, epilepsy, depression, and obsessive compulsive disorder. The target structures for DBS include specific segregated territories within limbic, associative, or motor regions of very small subnuclei. In this review, we summarize current clinical techniques for DBS, the cognitive/mood/motor outcomes, and the relevant neuroanatomy with respect to functional territories within specific brain targets. Future development of new techniques and technology that may include a more direct visualization of "motor" territories within target structures may prove useful for avoiding side effects that may result from stimulation of associative and limbic regions. Alternatively, newer procedures may choose and specifically target non-motor territories for chronic electrical stimulation.
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Affiliation(s)
- Atchar Sudhyadhom
- Department of Neurology, McKnight Brain Institute, 100 South Newell Drive, Gainesville, FL 32610, USA.
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37
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Greenberg BD, Malone DA, Friehs GM, Rezai AR, Kubu CS, Malloy PF, Salloway SP, Okun MS, Goodman WK, Rasmussen SA. Three-year outcomes in deep brain stimulation for highly resistant obsessive-compulsive disorder. Neuropsychopharmacology 2006; 31:2384-93. [PMID: 16855529 DOI: 10.1038/sj.npp.1301165] [Citation(s) in RCA: 620] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Deep brain stimulation (DBS) of the anterior limb of the internal capsule has been shown to be beneficial in the short term for obsessive-compulsive disorder (OCD) patients who exhaust conventional therapies. Nuttin et al, who published the first DBS for OCD series, found promising results using a capsule target immediately rostral to the anterior commissure extending into adjacent ventral capsule/ventral striatum (VC/VS). Published long-term outcome data are limited to four patients. In this collaborative study, 10 adult OCD patients meeting stringent criteria for severity and treatment resistance had quadripolar stimulating leads implanted bilaterally in the VC/VS. DBS was activated openly 3 weeks later. Eight patients have been followed for at least 36 months. Group Yale-Brown Obsessive Compulsive Scale (YBOCS) scores decreased from 34.6+/-0.6 (mean+/-SEM) at baseline (severe) to 22.3+/-2.1 (moderate) at 36 months (p < 0.001). Four of eight patients had a > or =35% decrease in YBOCS severity at 36 months; in two patients, scores declined between 25 and 35%. Global Assessment of Functioning scores improved from 36.6+/-1.5 at baseline to 53.8+/-2.5 at 36 months (p < 0.001). Depression and anxiety also improved, as did self-care, independent living, and work, school, and social functioning. Surgical adverse effects included an asymptomatic hemorrhage, a single seizure, and a superficial infection. Psychiatric adverse effects included transient hypomanic symptoms, and worsened depression and OCD when DBS was interrupted by stimulator battery depletion. This open study found promising long-term effects of DBS in highly treatment-resistant OCD.
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Affiliation(s)
- Benjamin D Greenberg
- Department of Psychiatry and Human Behavior, Brown Medical School, Butler Hospital and Rhode Island Hospital, Providence, RI 02906, USA.
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Milad MR, Rauch SL, Pitman RK, Quirk GJ. Fear extinction in rats: Implications for human brain imaging and anxiety disorders. Biol Psychol 2006; 73:61-71. [PMID: 16476517 DOI: 10.1016/j.biopsycho.2006.01.008] [Citation(s) in RCA: 439] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2005] [Indexed: 11/22/2022]
Abstract
Fear extinction is the decrease in conditioned fear responses that normally occurs when a conditioned stimulus (CS) is repeatedly presented in the absence of the aversive unconditioned stimulus (US). Extinction does not erase the initial CS-US association, but is thought to form a new memory. After extinction training, extinction memory competes with conditioning memory for control of fear expression. Deficits in fear extinction are thought to contribute to post-traumatic stress disorder (PTSD). Herein, we review studies performed in rats showing that the medial prefrontal cortex plays a critical role in the retention and expression of extinction memory. We also review human studies indicating that prefrontal areas homologous to those critical for extinction in rats are structurally and functionally deficient in patients with PTSD. We then discuss how findings from rat studies may allow us to: (1) develop new fear extinction paradigms in humans, (2) make specific predictions as to the location of extinction-related areas in humans, and (3) improve current extinction-based behavioral therapies for anxiety disorders.
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Affiliation(s)
- Mohammed R Milad
- Department of Psychiatry, Massachusetts General Hospital and Harvard Medical School, Bldg 149 13th St., Charlestown, 02129, USA
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Mashour GA, Walker EE, Martuza RL. Psychosurgery: past, present, and future. ACTA ACUST UNITED AC 2005; 48:409-19. [PMID: 15914249 DOI: 10.1016/j.brainresrev.2004.09.002] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/07/2004] [Indexed: 01/10/2023]
Abstract
Psychosurgery, the neurosurgical treatment of psychiatric disease, has a history dating back to antiquity, and involves all of the clinical neurosciences. This review discusses the history of psychosurgery, its development in the 19th century, and the conditions of its use and abuse in the 20th century, with a particular focus on the frontal lobotomy. The transition to the modern era of psychosurgery is discussed, as well as the neurobiology underlying current psychosurgical procedures. The techniques of stereotactic cingulotomy, capsulotomy, subcaudate tractotomy, and limbic leukotomy are described, as well their indications and side effects. Due to the past abuse of psychosurgery, procedures are currently under strict control, and the example of the Cingulotomy Committee at the Massachusetts General Hospital is discussed. Finally, future directions of psychosurgery and somatic therapies are explored, including transcranial magnetic stimulation, vagal nerve stimulation, deep brain stimulation, gene therapy, and stem cell therapy. In summary, this review provides a concise yet comprehensive introduction to the history, current practice, and future trends of neurosurgery for psychiatric disorders.
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Affiliation(s)
- George A Mashour
- Department of Anesthesia and Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
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40
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Rezai AR, Phillips M, Baker KB, Sharan AD, Nyenhuis J, Tkach J, Henderson J, Shellock FG. Neurostimulation system used for deep brain stimulation (DBS): MR safety issues and implications of failing to follow safety recommendations. Invest Radiol 2004; 39:300-3. [PMID: 15087724 DOI: 10.1097/01.rli.0000124940.02340.ab] [Citation(s) in RCA: 137] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The use of magnetic resonance imaging (MRI) in patients with neurostimulation systems used for deep brain stimulation requires the utmost care, and no individual should undergo an MR examination in the absence of empirical evidence that the procedure can be performed safely. The risks of performing MRI in patients with neurostimulators include those associated with heating, magnetic field interactions, induced currents, and the functional disruption of these devices. The exact safety recommendations for the particular neurostimulation system with regard to the pulse generator, leads, electrodes, operational conditions for the device, the positioning of these components, and the MR system conditions must be carefully followed for MRI. As highlighted by 2 recent accidents, the failure to strictly follow safety recommendations (eg, use a 1.5-T MR system with a send/receive head radiofrequency coil only; limit the specific absorption rate to 0.4 W/kg; etc.) may result in serious, temporary, or permanent injury to the patient including the possibility of transient dystonia, paralysis, coma, or even death.
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Affiliation(s)
- Ali R Rezai
- The Cleveland Clinic Foundation, Cleveland, OH, USA
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Richter EO, Davis KD, Hamani C, Hutchison WD, Dostrovsky JO, Lozano AM. Cingulotomy for psychiatric disease: microelectrode guidance, a callosal reference system for documenting lesion location, and clinical results. Neurosurgery 2004; 54:622-28; discussion 628-30. [PMID: 15028136 DOI: 10.1227/01.neu.0000108644.42992.95] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVE To evaluate magnetic resonance imaging (MRI)- and microelectrode recording-guided cingulotomy for patients with psychiatric disorders and to develop a new method of mapping lesion location in anterior cingulate cortex that takes into account the significant interindividual variability in callosal morphometry. METHODS MRI and microelectrode recording were used to guide placement of radiofrequency lesions in patients with obsessive-compulsive disorder (n = 21) or affective disorders (n = 5). Postoperative improvement was evaluated with the Yale-Brown Obsessive-Compulsive Scale in 15 of the 21 obsessive-compulsive disorder patients studied. From the postoperative MRI scans, we developed a coordinate system for position in the anterior cingulate cortex. The callosal line passes from the most anterior point of the corpus callosum (c = 0) to the most posterior (c = 100). We reconstructed the lesions onto a sagittal map from the Talairach and Tournoux atlas using the distance along the callosal line and the distance above the upper surface of the corpus callosum. RESULTS The location of neuronal activity distinguished gray and white matter and was useful in delineating the upper and lower cortical banks of the cingulate gyrus, the cingulate bundle, and the corpus callosum. This information was used to place the lesions. Lesions typically were 6 to 8 mm in diameter on T2-weighted MRI scans. The inferior margins were along the corpus callosum from c = 16 to c = 38. Four of 15 patients with obsessive-compulsive disorder had a documented decrease of more than 35% on the Yale-Brown Obsessive-Compulsive Scale, but only one patient had a sustained benefit for more than 1 year. CONCLUSION Microelectrode recording is useful for lesion placement. Our system for reporting location in anterior cingulate cortex normalizes for differences in callosal morphometry. These techniques may aid future study.
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Affiliation(s)
- Erich O Richter
- Department of Neurosurgery, University of Florida, Gainesville, Florida, USA
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42
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Abstract
Over the last decade, deep brain stimulation (DBS) has revolutionized the practice of neurosurgery, particularly in the realm of movement disorders. It is no surprise that DBS is now being studied in the treatment of refractory psychiatric disease. Deep brain stimulation has inherent advantages over previous lesioning procedures. It is fully reversible, and stimulation can be adjusted according to a patient's changing symptoms and disease progression. Coupled with the fact that the stimulation can generally be turned on or off without the patient's awareness, DBS provides a unique opportunity for double-blinding studies. To undertake DBS for psychiatric conditions, appropriate surgical targets must be chosen. What is most strongly supported is the role of cortico-striato-thalamocortical (CSTC) loops in the pathophysiology of psychiatric symptoms. Recent functional imaging studies have consistently found evidence that corroborate this model of psychiatric symptom pathogenesis. Based on the psychiatric and cognitive effects seen in recent movement disorder surgery, it is apparent that modulation of neural systems subserving psychiatric phenomenon can be accomplished by DBS. The few published studies on DBS for obsessive-compulsive disorder (OCD) suggest that this can be done safely. While efficacy data are still uncertain, initial data are promising.
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Affiliation(s)
- Brian Harris Kopell
- Center for Neurological Restoration, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA
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