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Coutinho PB, Johnson KA, Seritan AL, Galifianakis NB, Coleman R, Wang D, Racine CA, Ostrem JL, Starr PA, de Hemptinne C. Elevated Mood Induced by Subthalamic Nucleus Deep Brain Stimulation: A Video-Recorded Case Report. Tremor Other Hyperkinet Mov (N Y) 2024; 14:37. [PMID: 39005242 PMCID: PMC11243764 DOI: 10.5334/tohm.900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/27/2024] [Indexed: 07/16/2024] Open
Abstract
Background Deep brain stimulation (DBS) can be an effective therapy to control motor signs in patients with Parkinson's disease (PD). However, subthalamic nucleus (STN) DBS can induce undesirable psychiatric adverse effects, including elevated mood. Case report We reported a video case of a 73-year-old male implanted with bilateral STN DBS who experienced stimulation-induced elevated mood. A correlation between mood changes and enhanced activation of the ventromedial region in the left STN was observed. Discussion This video case report illustrates STN DBS-induced elevated mood and enhances early symptom recognition for patients and diagnostic awareness for professionals.
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Affiliation(s)
- Patricia B. Coutinho
- Department of Neurology, University of Florida, Gainesville, FL, USA
- Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Kara A. Johnson
- Department of Neurology, University of Florida, Gainesville, FL, USA
- Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Andreea L. Seritan
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
- Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, USA
| | - Nicholas B. Galifianakis
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
| | - Robert Coleman
- Department of Neurology, Corewell Health, Grand Rapids, MI, USA
| | - Doris Wang
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
| | - Caroline A. Racine
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
| | - Jill L. Ostrem
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
| | - Philip A. Starr
- UCSF Weill Institute for Neurosciences, San Francisco, San Francisco, CA, USA
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
| | - Coralie de Hemptinne
- Department of Neurology, University of Florida, Gainesville, FL, USA
- Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
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Klostermann F, Ehlen F, Tiedt HO. Effects of thalamic and basal ganglia deep brain stimulation on language-related functions - Conceptual and clinical considerations. Eur J Paediatr Neurol 2022; 37:75-81. [PMID: 35149269 DOI: 10.1016/j.ejpn.2022.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 01/17/2022] [Accepted: 01/20/2022] [Indexed: 10/19/2022]
Abstract
Deep Brain Stimulation (DBS) is a therapy for various neurological movement disorders. It acts predominantly on motor symptoms, but may unfold a number of mostly subtle cognitive effects. In this regard, reports on particular language-related DBS sequels are comparably frequent, but difficult to overlook, given the heterogeneity of targeted structures in the brain, treated diseases, assessment methods and results reported. Accordingly, available knowledge was organized with respect to important aspects, such as the main DBS loci and surgical versus neuromodulatory therapy actions. Current views of biolinguistic underpinnings of the reviewed data, their clinical relevance and potential implications are discussed.
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Affiliation(s)
- Fabian Klostermann
- Charité - University Medicine Berlin, Clinic for Neurology, Campus Benjamin Franklin, Germany; Berlin School of Mind and Brain, Germany.
| | - Felicitas Ehlen
- Jewish Hospital Berlin, Clinic for Psychiatry and Psychotherapy, Germany
| | - Hannes Ole Tiedt
- Charité - University Medicine Berlin, Clinic for Neurology, Campus Benjamin Franklin, Germany
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Corripio I, Roldán A, McKenna P, Sarró S, Alonso-Solís A, Salgado L, Álvarez E, Molet J, Pomarol-Clotet E, Portella M. Target selection for deep brain stimulation in treatment resistant schizophrenia. Prog Neuropsychopharmacol Biol Psychiatry 2022; 112:110436. [PMID: 34517055 DOI: 10.1016/j.pnpbp.2021.110436] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/28/2021] [Accepted: 09/07/2021] [Indexed: 11/19/2022]
Abstract
The use of deep brain stimulation (DBS) in treatment resistant patients with schizophrenia is of considerable current interest, but where to site the electrodes is challenging. This article reviews rationales for electrode placement in schizophrenia based on evidence for localized brain abnormality in the disorder and the targets that have been proposed and employed to date. The nucleus accumbens and the subgenual anterior cingulate cortex are of interest on the grounds that they are sites of potential pathologically increased brain activity in schizophrenia and so susceptible to the local inhibitory effects of DBS; both sites have been employed in trials of DBS in schizophrenia. Based on other lines of reasoning, the ventral tegmental area, the substantia nigra pars reticulata and the habenula have also been proposed and in some cases employed. The dorsolateral prefrontal cortex has not been suggested, probably reflecting evidence that it is underactive rather than overactive in schizophrenia. The hippocampus is also of theoretical interest but there is no clear functional imaging evidence that it shows overactivity in schizophrenia. On current evidence, the nucleus accumbens may represent the strongest candidate for DBS electrode placement in schizophrenia, with the substantia nigra pars reticulata also showing promise in a single case report; the ventral tegmental area is also of potential interest, though it remains untried.
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Affiliation(s)
- Iluminada Corripio
- Psychiatry Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Alexandra Roldán
- Psychiatry Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Peter McKenna
- FIDMAG Germanes Hospitalàries, Sant Boi de Llobregat, Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain.
| | - Salvador Sarró
- FIDMAG Germanes Hospitalàries, Sant Boi de Llobregat, Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Anna Alonso-Solís
- Psychiatry Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Laura Salgado
- Neurosurgery Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain
| | - Enric Álvarez
- Psychiatry Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Joan Molet
- Neurosurgery Department, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Spain
| | - Edith Pomarol-Clotet
- FIDMAG Germanes Hospitalàries, Sant Boi de Llobregat, Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
| | - Maria Portella
- Psychiatry Department, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB-Sant Pau), Universitat Autònoma de Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain
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Psychiatric and Behavioral Complications of GPi DBS in an Adolescent with Myoclonus Dystonia. Case Rep Psychiatry 2019; 2019:1947962. [PMID: 31275687 PMCID: PMC6582850 DOI: 10.1155/2019/1947962] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 04/15/2019] [Indexed: 11/18/2022] Open
Abstract
Myoclonus dystonia is a rare movement disorder that often causes significant disability. Deep brain stimulation of the internal pallidum (GPi DBS) is a recommended treatment for those who do not respond to pharmacotherapy or who have intolerable side effects. This paper reports on the case of a 17-year-old male who was admitted to a tertiary level mental healthcare facility for treatment of psychiatric and behavioral symptoms thought to be related to GPi DBS. Prior to GPi DBS insertion, the patient was diagnosed with anxiety and mild obsessive compulsive disorder (OCD). Following insertion, his OCD became severe and he developed depression, Tourette syndrome, and stuttering. His first admission to a psychiatric unit was for management of a manic episode following treatment for depression with fluoxetine, and he began to exhibit severe aggressive behavior. GPi DBS was turned off, but there were neither changes in dystonic movements nor improvement in aggressive behavior or psychiatric symptoms, though stuttering improved. The patient was transferred to a secure treatment centre where he was able to gain control over his behaviors with intense dialectical behavior therapy, but the aggressive behavior and safety concerns continue to persist today.
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Acute and reversible crying following deep brain stimulation targeting the globus pallidus interna in dystonia. J Neurol Sci 2018; 388:76-78. [DOI: 10.1016/j.jns.2018.03.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 02/24/2018] [Accepted: 03/03/2018] [Indexed: 11/19/2022]
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Neuropsychological performance changes following subthalamic versus pallidal deep brain stimulation in Parkinson's disease: a systematic review and metaanalysis. CNS Spectr 2018; 23:10-23. [PMID: 28236811 DOI: 10.1017/s1092852917000062] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Studies comparing subthalamus (STN) and globus pallidus internus (GPi) deep brain stimulation (DBS) for the management of Parkinson's disease in terms of neuropsychological performance are scarce and heterogeneous. Therefore, we performed a systematic review and metaanalysis to compare neuropsychological outcomes following STN DBS versus GPi DBS. METHODS A computer literature search of PubMed, the Web of Science, and Cochrane Central was conducted. Records were screened for eligible studies, and data were extracted and synthesized using Review Manager (v. 5.3 for Windows). RESULTS Seven studies were included in the qualitative synthesis. Of them, four randomized controlled trials (n=345 patients) were pooled in the metaanalysis models. The standardized mean difference (SMD) of change in the Stroop color-naming test favored the GPi DBS group (SMD=-0.31, p=0.009). However, other neuropsychological outcomes did not favor either of the two groups (Stroop word-reading: SMD=-0.21, p=0.08; the Wechsler Adult Intelligence Scale (WAIS) digits forward: SMD=0.08, p=0.47; Trail Making Test Part A: SMD=-0.05, p=0.65; WAIS-R digit symbol: SMD=-0.16, p=0.29; Trail Making Test Part B: SMD=-0.14, p=0.23; Stroop color-word interference: SMD=-0.16, p=0.18; phonemic verbal fluency: bilateral DBS SMD=-0.04, p=0.73, and unilateral DBS SMD=-0.05, p=0.83; semantic verbal fluency: bilateral DBS SMD=-0.09, p=0.37, and unilateral DBS SMD=-0.29, p=0.22; Boston Naming Test: SMD=-0.11, p=0.33; Beck Depression Inventory: bilateral DBS SMD=0.15, p=0.31, and unilateral DBS SMD=0.36, p=0.11). CONCLUSIONS There was no statistically significant difference in most of the neuropsychological outcomes. The present evidence does not favor any of the targets in terms of neuropsychological performance.
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Abstract
Deep brain stimulation (DBS) is effective for Parkinson's disease (PD), dystonia, and essential tremor (ET). While motor benefits are well documented, cognitive and psychiatric side effects from the subthalamic nucleus (STN) and globus pallidus interna (GPi) DBS for PD are increasingly recognized. Underlying disease, medications, microlesions, and post-surgical stimulation likely all contribute to non-motor symptoms (NMS).
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Cossu G, Sensi M. Deep Brain Stimulation Emergencies: How the New Technologies Could Modify the Current Scenario. Curr Neurol Neurosci Rep 2017; 17:51. [PMID: 28497305 DOI: 10.1007/s11910-017-0761-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
After 25 years of deep brain stimulation (DBS) for the treatment of Parkinson's disease, it has become increasingly recognized that a range of postoperative urgent situations and emergencies may occur. In this review we describe the possible scenarios of DBS-related emergencies: perioperative (intraoperative and early postoperative) and postoperative settings and issues from suboptimal control of motor and nonmotor symptoms in the early programming phase and during long-term follow-up. We also outline potential advantages in the management of these emergencies offered by the newest devices, emerging technologies, and new possibilities in programming.
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Affiliation(s)
- Giovanni Cossu
- Movement Disorders Unit, Department of Neurology, Brotzu General Hospital, Piazzale Ricchi 1, 09134, Cagliari, Italy.
| | - Mariachiara Sensi
- Department of Neurology, Azienda Ospedaliera Universitaria Arcispedale Sant'Anna, Ferrara, Italy
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Unusual complications of deep brain stimulation. Neurosurg Rev 2014; 38:245-52; discussion 252. [DOI: 10.1007/s10143-014-0588-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/01/2014] [Accepted: 06/22/2014] [Indexed: 11/26/2022]
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Abstract
Deep brain stimulation is one of the most effective treatments of Parkinson's disease (PD). This report summarizes the state of the art as at January 2013. Stimulation of the subthalamic nucleus is the most commonly used approach. It improves the core motor symptoms better than medication in patients with advanced disease. It also improves the majority of nonmotor symptoms, such as mood, impulse control disorders, sleep, and some autonomic dysfunctions. Quality of life (QoL) is improved significantly more than with medication. Long-term data show that the treatment is effective for up to 10 years, but the late appearance of l-dopa-resistant symptoms is seemingly not influenced. Internal globus pallidus (GPi) stimulation is less well studied but seems to have similar short-term efficacy. Importantly l-dopa use cannot be reduced with GPi DBS, which is a major disadvantage for patients suffering from medication side-effects, although gait may be influenced more positively. Although short-term QoL improvement seems to be similar to that for subthalamic nucleus (STN) DBS - gait and speech may be better improved - long-term data are rare for GPi DBS. Thalamic stimulation in the ventral intermediate nucleus (VIM) is applied only in tremor-dominant elderly patients. The treatment improves the dopa-sensitive symptoms and effectively reduces fluctuations leading to an overall QoL improvement. Although most of the controlled studies have been on advanced PD, the recently published EARLYSTIM study suggests that even patients with a very short duration of their fluctuations and dyskinesia are doing significantly better with neurostimulation in terms of QoL and all major motor outcome parameters.
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Fasano A, Deuschl G. Patients and DBS targets: Is there any rationale for selecting them? ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.baga.2012.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Adleman NE, Fromm SJ, Razdan V, Kayser R, Dickstein DP, Brotman MA, Pine DS, Leibenluft E. Cross-sectional and longitudinal abnormalities in brain structure in children with severe mood dysregulation or bipolar disorder. J Child Psychol Psychiatry 2012; 53:1149-56. [PMID: 22650379 PMCID: PMC3472043 DOI: 10.1111/j.1469-7610.2012.02568.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND There is debate as to whether chronic irritability (operationalized as severe mood dysregulation, SMD) is a developmental form of bipolar disorder (BD). Although structural brain abnormalities in BD have been demonstrated, no study compares neuroanatomy among SMD, BD, and healthy volunteers (HV) either cross-sectionally or over time. Furthermore, the developmental trajectories of structural abnormalities in BD or SMD are unknown. This study provides such data in BD, SMD, and HV. METHODS An optimized, modulated voxel-based morphometry (VBM) analysis was conducted on structural MRI scans from 201 children (78 SMD, 55 BD, and 68 HV). In addition, 92 children (31 SMD, 34 BD, and 27 HV) were rescanned after 2 years (mean interval 1.99 ± 0.94 years), to compare time-related changes among the three groups. RESULTS Cross-sectionally, the groups differed in gray matter (GM) volume in presupplementary motor area (pre-SMA), dorsolateral prefrontal cortex (DLPFC), insula, and globus pallidus. The cortical differences were driven mainly by increased GM volume in HV compared with BD and SMD. In globus pallidus, there was increased GM in BD compared with HV and SMD. Longitudinally, group-by-time interactions were evident in two clusters in the superior/inferior parietal lobule (R SPL/IPL) and in the precuneus. In both clusters, the interactions were driven by an abnormal increase in volume in BD. CONCLUSIONS Cross-sectionally, both BD and SMD are associated with structural abnormalities in frontal cortex, insula, and basal ganglia. Although some of these deficits overlap (insula and DLPFC), others differentiate SMD and BD (pre-SMA and globus pallidus). Abnormal developmental trajectories in lateral parietal cortex and precuneus are present in, and unique to, BD. Because of the high proportion of co-occurring ADHD in the SMD subjects, we could not separate effects of ADHD from those of SMD, and future research including a nonirritable ADHD group must address this issue.
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Affiliation(s)
- Nancy E Adleman
- National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA.
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Min HK, Hwang SC, Marsh MP, Kim I, Knight E, Striemer B, Felmlee JP, Welker KM, Blaha CD, Chang SY, Bennet KE, Lee KH. Deep brain stimulation induces BOLD activation in motor and non-motor networks: an fMRI comparison study of STN and EN/GPi DBS in large animals. Neuroimage 2012; 63:1408-20. [PMID: 22967832 DOI: 10.1016/j.neuroimage.2012.08.006] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 08/03/2012] [Accepted: 08/04/2012] [Indexed: 01/11/2023] Open
Abstract
The combination of deep brain stimulation (DBS) and functional MRI (fMRI) is a powerful means of tracing brain circuitry and testing the modulatory effects of electrical stimulation on a neuronal network in vivo. The goal of this study was to trace DBS-induced global neuronal network activation in a large animal model by monitoring the blood oxygenation level-dependent (BOLD) response on fMRI. We conducted DBS in normal anesthetized pigs, targeting the subthalamic nucleus (STN) (n=7) and the entopeduncular nucleus (EN), the non-primate analog of the primate globus pallidus interna (n=4). Using a normalized functional activation map for group analysis and the application of general linear modeling across subjects, we found that both STN and EN/GPi DBS significantly increased BOLD activation in the ipsilateral sensorimotor network (FDR<0.001). In addition, we found differential, target-specific, non-motor network effects. In each group the activated brain areas showed a distinctive correlation pattern forming a group of network connections. Results suggest that the scope of DBS extends beyond an ablation-like effect and that it may have modulatory effects not only on circuits that facilitate motor function but also on those involved in higher cognitive and emotional processing. Taken together, our results show that the swine model for DBS fMRI, which conforms to human implanted DBS electrode configurations and human neuroanatomy, may be a useful platform for translational studies investigating the global neuromodulatory effects of DBS.
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Affiliation(s)
- Hoon-Ki Min
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA
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Treatment of motor and non-motor features of Parkinson's disease with deep brain stimulation. Lancet Neurol 2012; 11:429-42. [DOI: 10.1016/s1474-4422(12)70049-2] [Citation(s) in RCA: 274] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Fox SH, Katzenschlager R, Lim SY, Ravina B, Seppi K, Coelho M, Poewe W, Rascol O, Goetz CG, Sampaio C. The Movement Disorder Society Evidence-Based Medicine Review Update: Treatments for the motor symptoms of Parkinson's disease. Mov Disord 2012; 26 Suppl 3:S2-41. [PMID: 22021173 DOI: 10.1002/mds.23829] [Citation(s) in RCA: 395] [Impact Index Per Article: 32.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
The objective was to update previous evidence-based medicine reviews of treatments for motor symptoms of Parkinson's disease published between 2002 and 2005. Level I (randomized, controlled trial) reports of pharmacological, surgical, and nonpharmacological interventions for the motor symptoms of Parkinson's disease between January 2004 (2001 for nonpharmacological) and December 2010 were reviewed. Criteria for inclusion, clinical indications, ranking, efficacy conclusions, safety, and implications for clinical practice followed the original program outline and adhered to evidence-based medicine methodology. Sixty-eight new studies qualified for review. Piribedil, pramipexole, pramipexole extended release, ropinirole, rotigotine, cabergoline, and pergolide were all efficacious as symptomatic monotherapy; ropinirole prolonged release was likely efficacious. All were efficacious as a symptomatic adjunct except pramipexole extended release, for which there is insufficient evidence. For prevention/delay of motor fluctuations, pramipexole and cabergoline were efficacious, and for prevention/delay of dyskinesia, pramipexole, ropinirole, ropinirole prolonged release, and cabergoline were all efficacious, whereas pergolide was likely efficacious. Duodenal infusion of levodopa was likely efficacious in the treatment of motor complications, but the practice implication is investigational. Entacapone was nonefficacious as a symptomatic adjunct to levodopa in nonfluctuating patients and nonefficacious in the prevention/delay of motor complications. Rasagiline conclusions were revised to efficacious as a symptomatic adjunct, and as treatment for motor fluctuations. Clozapine was efficacious in dyskinesia, but because of safety issues, the practice implication is possibly useful. Bilateral subthalamic nucleus deep brain stimulation, bilateral globus pallidus stimulation, and unilateral pallidotomy were updated to efficacious for motor complications. Physical therapy was revised to likely efficacious as symptomatic adjunct therapy. This evidence-based medicine review updates the field and highlights gaps for research.
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Affiliation(s)
- Susan H Fox
- Movement Disorder Clinic, Toronto Western Hospital, Toronto, Ontario, Canada.
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Chopra A, Tye SJ, Lee KH, Sampson S, Matsumoto J, Adams A, Klassen B, Stead M, Fields JA, Frye MA. Underlying neurobiology and clinical correlates of mania status after subthalamic nucleus deep brain stimulation in Parkinson's disease: a review of the literature. J Neuropsychiatry Clin Neurosci 2012; 24:102-10. [PMID: 22450620 PMCID: PMC3570815 DOI: 10.1176/appi.neuropsych.10070109] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Deep brain stimulation (DBS) is a novel and effective surgical intervention for refractory Parkinson's disease (PD). The authors review the current literature to identify the clinical correlates associated with subthalamic nucleus (STN) DBS-induced hypomania/mania in PD patients. Ventromedial electrode placement has been most consistently implicated in the induction of STN DBS-induced mania. There is some evidence of symptom amelioration when electrode placement is switched to a more dorsolateral contact. Additional clinical correlates may include unipolar stimulation, higher voltage (>3 V), male sex, and/or early-onset PD. STN DBS-induced psychiatric adverse events emphasize the need for comprehensive psychiatric presurgical evaluation and follow-up in PD patients. Animal studies and prospective clinical research, combined with advanced neuroimaging techniques, are needed to identify clinical correlates and underlying neurobiological mechanisms of STN DBS-induced mania. Such working models would serve to further our understanding of the neurobiological underpinnings of mania and contribute valuable new insight toward development of future DBS mood-stabilization therapies.
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Affiliation(s)
- Amit Chopra
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester MN, USA
| | - Susannah J. Tye
- Department of Psychology, Deakin University, Burwood VIC, Australia
| | - Kendall H. Lee
- Departments of Neurosurgery & Physiology and Biomedical Engineering, Mayo Clinic, Rochester MN, USA
| | - Shirlene Sampson
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester MN, USA
| | | | - Andrea Adams
- Departments of Neurology, Mayo Clinic, Rochester MN, USA
| | - Bryan Klassen
- Departments of Neurology, Mayo Clinic, Rochester MN, USA
| | - Matt Stead
- Departments of Neurology, Mayo Clinic, Rochester MN, USA
| | - Julie A. Fields
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester MN, USA
| | - Mark A Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester MN, USA
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Mapping patterns of depression-related brain regions with cytochrome oxidase histochemistry: Relevance of animal affective systems to human disorders, with a focus on resilience to adverse events. Neurosci Biobehav Rev 2011; 35:1876-89. [DOI: 10.1016/j.neubiorev.2011.02.016] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Revised: 02/24/2011] [Accepted: 02/25/2011] [Indexed: 12/28/2022]
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Abstract
OBJECTIVES To report a case of hypomania induced by transcranial direct current stimulation (tDCS) given with an extracephalic reference electrode. Transcranial direct current stimulation is a noninvasive brain stimulation technique in which a weak current is applied through the scalp to produce changes in neuronal excitability in the underlying cerebral tissue. Recent clinical trials have shown promising results with left anodal prefrontal tDCS in treating depression. When the reference cathodal electrode in tDCS is moved from the cranium to an extracephalic position, larger areas of both cerebral hemispheres are stimulated, with potential implications for both efficacy and safety. METHODS We report the case of a 33-year-old female with bipolar II disorder, on mood stabilizer medication, who had previously participated in a clinical trial of tDCS given with a bifrontal electrode montage for the treatment of major depression without incident, but became hypomanic when she received a later course of tDCS given with a frontoextracephalic configuration. Factors contributing to the development of hypomania in the second course of tDCS are examined. RESULTS No substantial differences were found in the patient's clinical presentation between the 2 tDCS courses to explain the emergence of hypomania only after the second course. The different montage used in the second course appeared to be the main contributory factor in the induction of hypomania. CONCLUSIONS The reported case suggests that frontoextracephalic tDCS has antidepressant properties and the potential to induce hypomanic symptoms. In particular, it raises the question of whether frontoextracephalic tDCS requires additional precautions when administered to bipolar patients compared to bifrontal tDCS.
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Loo C, Katalinic N, Mitchell PB, Greenberg B. Physical treatments for bipolar disorder: a review of electroconvulsive therapy, stereotactic surgery and other brain stimulation techniques. J Affect Disord 2011; 132:1-13. [PMID: 20858566 DOI: 10.1016/j.jad.2010.08.017] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 08/19/2010] [Accepted: 08/20/2010] [Indexed: 10/19/2022]
Abstract
BACKGROUND Despite pharmacological advances, bipolar disorder continues to be difficult to treat. This article reviews the evidence base for the use of electroconvulsive therapy (ECT) and other brain stimulation therapies in bipolar disorder. METHODS The evidence base for the efficacy of ECT and transcranial magnetic stimulation in the treatment of mania, bipolar depression and mixed affective states was reviewed. Reports on the use of vagus nerve stimulation, stereotaxic surgery, deep brain stimulation, magnetic seizure therapy and transcranial direct current stimulation in treating depression, as well as bipolar disorder were also reviewed. Studies were identified from Medline and Embase database searches. RESULTS There are a few randomized controlled trials of ECT in mania and bipolar depression, and none in mixed affective states. Nevertheless, such studies consistently reported clinically meaningful efficacy, with a majority of pharmacotherapy resistant patients responding to ECT. Evidence for the use of other brain stimulation therapies in treating bipolar mood states is preliminary and limited. CONCLUSIONS ECT is an effective treatment for acute mania, bipolar depression and mixed affective states and has useful efficacy even in pharmacotherapy-resistant patients. Other brain stimulation techniques may have potential for the treatment of bipolar disorder and should be further researched.
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Affiliation(s)
- Colleen Loo
- School of Psychiatry, University of New South Wales, Sydney, Australia.
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20
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Kraemer F. Me, Myself and My Brain Implant: Deep Brain Stimulation Raises Questions of Personal Authenticity and Alienation. NEUROETHICS-NETH 2011; 6:483-497. [PMID: 24273619 PMCID: PMC3825521 DOI: 10.1007/s12152-011-9115-7] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2010] [Accepted: 04/20/2011] [Indexed: 11/04/2022]
Abstract
In this article, I explore select case studies of Parkinson patients treated with deep brain stimulation (DBS) in light of the notions of alienation and authenticity. While the literature on DBS has so far neglected the issues of authenticity and alienation, I argue that interpreting these cases in terms of these concepts raises new issues for not only the philosophical discussion of neuro-ethics of DBS, but also for the psychological and medical approach to patients under DBS. In particular, I suggest that the experience of alienation and authenticity varies from patient to patient with DBS. For some, alienation can be brought about by neurointerventions because patients no longer feel like themselves. But, on the other hand, it seems alienation can also be cured by DBS as other patients experience their state of mind as authentic under treatment and retrospectively regard their former lives without stimulation as alienated. I argue that we must do further research on the relevance of authenticity and alienation to patients treated with DBS in order to gain a deeper philosophical understanding, and to develop the best evaluative criterion for the behavior of DBS patients.
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Affiliation(s)
- Felicitas Kraemer
- Philosophy & Ethics, Eindhoven University of Technology, IPO 1.01, PO Box 513, 5600 MB Eindhoven, The Netherlands
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21
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Haq IU, Foote KD, Goodman WK, Ricciuti N, Ward H, Sudhyadhom A, Jacobson CE, Siddiqui MS, Okun MS. A case of mania following deep brain stimulation for obsessive compulsive disorder. Stereotact Funct Neurosurg 2010; 88:322-8. [PMID: 20714212 DOI: 10.1159/000319960] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2009] [Accepted: 04/11/2010] [Indexed: 12/19/2022]
Abstract
Deep brain stimulation (DBS) of the basal ganglia is an effective treatment for select movement disorders, including Parkinson's disease, essential tremor and dystonia. Based on these successes, DBS has been explored as an experimental treatment for medication-resistant neuropsychiatric disease. During a multiyear experience employing DBS to treat patients for obsessive compulsive disorder (OCD) we encountered several unanticipated stimulation-induced psychiatric side effects. We present a case of a young woman treated for OCD with DBS of the anterior limb of the internal capsule and nucleus accumbens region, who subsequently manifested a manic episode. We aim to discuss the case details, treatment and potential neuroanatomical underpinnings of this response.
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Affiliation(s)
- Ihtsham U Haq
- Department of Neurology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA.
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22
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Morishita T, Foote KD, Burdick AP, Katayama Y, Yamamoto T, Frucht SJ, Okun MS. Identification and management of deep brain stimulation intra- and postoperative urgencies and emergencies. Parkinsonism Relat Disord 2010; 16:153-62. [PMID: 19896407 PMCID: PMC2829374 DOI: 10.1016/j.parkreldis.2009.10.003] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 09/23/2009] [Accepted: 10/01/2009] [Indexed: 10/20/2022]
Abstract
Deep brain stimulation (DBS) has been increasingly utilized for the therapeutic treatment of movement disorders, and with the advent of this therapy more postoperative urgencies and emergencies have emerged. In this paper, we will review, identify, and suggest management strategies for both intra- and postoperative urgencies and emergencies. We have separated the scenarios into 1--surgery/procedure related, 2--hardware related, 3--stimulation-induced difficulties, and 4--others. We have included ten illustrative (and actual) case vignettes to augment the discussion of each issue.
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Affiliation(s)
- Takashi Morishita
- Department of Neurology, University of Florida College of Medicine/Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL
- Department of Neurological Surgery, Nihon University School of Medicine, Tokyo, Japan
| | - Kelly D. Foote
- Department of Neurosurgery, University of Florida College of Medicine/Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL
| | - Adam P. Burdick
- Department of Neurosurgery, University of Florida College of Medicine/Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL
| | - Yoichi Katayama
- Department of Neurological Surgery, Nihon University School of Medicine, Tokyo, Japan
- Division of Applied System Neuroscience, Department of Advanced Medical Science, Nihon University School of Medicine, Tokyo, Japan
| | - Takamitsu Yamamoto
- Department of Neurological Surgery, Nihon University School of Medicine, Tokyo, Japan
- Division of Applied System Neuroscience, Department of Advanced Medical Science, Nihon University School of Medicine, Tokyo, Japan
| | - Steven J. Frucht
- Department of Neurology, Columbia University College of Physicians and Surgeons/Columbia-Presbyterian Medical Center, New York, NY
| | - Michael S. Okun
- Department of Neurology, University of Florida College of Medicine/Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL
- Department of Neurosurgery, University of Florida College of Medicine/Shands Hospital, Movement Disorders Center, McKnight Brain Institute, Gainesville, FL
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23
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Walsh ND, Phillips ML. Interacting outcome retrieval, anticipation, and feedback processes in the human brain. ACTA ACUST UNITED AC 2009; 20:271-81. [PMID: 19429861 DOI: 10.1093/cercor/bhp098] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Cognitive control is an inherently multivariate phenomenon, and its neural basis is currently unclear. Here we examined using functional magnetic resonance imaging how participants retrieve prelearnt information from memory, use this information to guide responses for an impending decision, and adjust their responses based on outcome feedback. We developed a behavioral task designed to manipulate memory outcome-retrieval load, outcome-anticipation interval, and outcome-feedback processes. This allowed us to understand the neural basis of these cognitive processes in isolation and how they interact. Extending previous work, we found a retrieval-load by outcome-feedback interaction in the left globus pallidus; an outcome-feedback by anticipation-interval interaction in the inferior prefrontal cortex; a retrieval-load by anticipation-interval interaction in the midcingulate gyrus and a load by interval by outcome interaction in the right frontal pole. These results further advance our knowledge of how fundamental cognitive processes interact physiologically to give rise to higher-level behavioral control.
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Affiliation(s)
- Nicholas D Walsh
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA.
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24
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Benabid AL, Chabardes S, Mitrofanis J, Pollak P. Deep brain stimulation of the subthalamic nucleus for the treatment of Parkinson's disease. Lancet Neurol 2009; 8:67-81. [PMID: 19081516 DOI: 10.1016/s1474-4422(08)70291-6] [Citation(s) in RCA: 823] [Impact Index Per Article: 54.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
High-frequency deep brain stimulation (DBS) of the subthalamic nucleus (STN-HFS) is the preferred surgical treatment for advanced Parkinson's disease. In the 15 years since its introduction into clinical practice, many studies have reported on its benefits, drawbacks, and insufficiencies. Despite limited evidence-based data, STN-HFS has been shown to be surgically safe, and improvements in dopaminergic drug-sensitive symptoms and reductions in subsequent drug dose and dyskinesias are well documented. However, the procedure is associated with adverse effects, mainly neurocognitive, and with side-effects created by spread of stimulation to surrounding structures, depending on the precise location of electrodes. Quality of life improves substantially, inducing sudden global changes in patients' lives, often requiring societal readaptation. STN-HFS is a powerful method that is currently unchallenged in the management of Parkinson's disease, but its long-term effects must be thoroughly assessed. Further improvements, through basic research and methodological innovations, should make it applicable to earlier stages of the disease and increase its availability to patients in developing countries.
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Affiliation(s)
- Alim Louis Benabid
- Department of Neurosurgery and Neurology, University of Grenoble, CHU Albert Michallon, Grenoble, France.
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25
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Kovacs N, Auer T, Balas I, Karadi K, Zambo K, Schwarcz A, Klivenyi P, Jokeit H, Horvath K, Nagy F, Janszky J. Neuroimaging and cognitive changes during déjà vu. Epilepsy Behav 2009; 14:190-6. [PMID: 18804184 DOI: 10.1016/j.yebeh.2008.08.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2008] [Revised: 08/28/2008] [Accepted: 08/29/2008] [Indexed: 10/21/2022]
Abstract
OBJECTIVE The cause or the physiological role of déjà vu (DV) in healthy people is unknown. The pathophysiology of DV-type epileptic aura is also unresolved. Here we describe a 22-year-old woman treated with deep brain stimulation (DBS) of the left internal globus pallidus for hemidystonia. At certain stimulation settings, DBS elicited reproducible episodes of DV. METHODS Neuropsychological tests and single-photon-emission computed tomography (SPECT) were performed during DBS-evoked DV and during normal DBS stimulation without DV. RESULTS SPECT during DBS-evoked DV revealed hyperperfusion of the right (contralateral to the electrode) hippocampus and other limbic structures. Neuropsychological examinations performed during several evoked DV episodes revealed disturbances in nonverbal memory. CONCLUSION Our results confirm the role of mesiotemporal structures in the pathogenesis of DV. We hypothesize that individual neuroanatomy and disturbances in gamma oscillations or in the dopaminergic system played a role in DBS-elicited DV in our patient.
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Affiliation(s)
- Norbert Kovacs
- Department of Neurology, University of Pecs, Pecs, Hungary.
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26
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Rezai AR, Machado AG, Deogaonkar M, Azmi H, Kubu C, Boulis NM. Surgery for movement disorders. Neurosurgery 2008; 62 Suppl 2:809-38; discussion 838-9. [PMID: 18596424 DOI: 10.1227/01.neu.0000316285.52865.53] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Movement disorders, such as Parkinson's disease, tremor, and dystonia, are among the most common neurological conditions and affect millions of patients. Although medications are the mainstay of therapy for movement disorders, neurosurgery has played an important role in their management for the past 50 years. Surgery is now a viable and safe option for patients with medically intractable Parkinson's disease, essential tremor, and dystonia. In this article, we provide a review of the history, neurocircuitry, indication, technical aspects, outcomes, complications, and emerging neurosurgical approaches for the treatment of movement disorders.
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Affiliation(s)
- Ali R Rezai
- Center for Neurological Restoration, and Department of Neurosurgery, Cleveland Clinic, Cleveland, Ohio 44122, USA.
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27
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Chao Y, Gang L, Na ZL, Ming WY, Zhong WS, Mian WS. Surgical management of Parkinson's disease: update and review. Interv Neuroradiol 2008; 13:359-68. [PMID: 20566105 DOI: 10.1177/159101990701300407] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2007] [Accepted: 11/12/2007] [Indexed: 11/16/2022] Open
Abstract
SUMMARY Although medical therapy is still the mainstay of treatment for Parkinson's disease, the development of surgical precision and decreased morbidity have made stereotatic lesioning and deep brain stimulation more popular. Neurosurgical ablations include pallidotomy, thalamotomy, and, more recently, subthalamotomy. Because of concern over the high risk of side-effects resulting from bilateral ablative procedure, alternative approaches have been explored.With improved deep brain stimulation (DBS) technology, DBS has been successfully applied in the internal globus pallidus, ventral intermediate nucleus and subthalamic nucleus for Parkinson's disease. In addition, recent surgical approaches including biological neurorestorative technologies - surgical therapies with transplantation, gene therapy, and growth factor are all being discussed in this review. Although a great deal of work remains to be done for researchers, advances in surgical therapies for the treatment of Parkinson's disease are moving forward at an unprecedented pace, and, not surprisingly, would give PD patients more choices and hope.
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Affiliation(s)
- Y Chao
- College of precision instrument & opto-electronic, Tianjin University, Tianjin; China
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28
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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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29
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Rabey JM. Neurobehavioral disorders in Parkinson's disease. HANDBOOK OF CLINICAL NEUROLOGY 2007; 83:435-455. [PMID: 18808927 DOI: 10.1016/s0072-9752(07)83020-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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30
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Tops M. Are the insular cortex and cortisol implicated in Parkinsonian features? Parkinsonism Relat Disord 2006; 12:467-71. [PMID: 16793317 DOI: 10.1016/j.parkreldis.2006.04.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2005] [Revised: 04/10/2006] [Accepted: 04/18/2006] [Indexed: 11/30/2022]
Abstract
Recent studies implicate insular cortex and the hormone cortisol in Parkinsonian features. Dopaminergic alterations at the level of the insula may be involved in changes in personality (i.e. novelty seeking) and symptoms of hemispatial neglect. I discuss this evidence and suggest that attention in future research to a possible role of the insula and of cortisol in Parkinsonian features may yield valuable information regarding Parkinson's disease.
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Affiliation(s)
- Mattie Tops
- Department of Experimental and Work Psychology, University of Groningen, Grote Kruisstraat 2/1, 9712 TS Groningen, The Netherlands.
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31
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Voon V, Kubu C, Krack P, Houeto JL, Tröster AI. Deep brain stimulation: neuropsychological and neuropsychiatric issues. Mov Disord 2006; 21 Suppl 14:S305-27. [PMID: 16810676 DOI: 10.1002/mds.20963] [Citation(s) in RCA: 229] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by motor, cognitive, neuropsychiatric, autonomic, and other nonmotor symptoms. The efficacy of deep brain stimulation (DBS) for the motor symptoms of advanced PD is well established. However, the effects of DBS on the cognitive and neuropsychiatric symptoms are less clear. The neuropsychiatric aspects of DBS for PD have recently been of considerable clinical and pathophysiological interest. As a companion to the preoperative and postoperative sections of the DBS consensus articles, this article reviews the published literature on the cognitive and neuropsychiatric aspects of DBS for PD. The majority of the observed neuropsychiatric symptoms are transient, treatable, and potentially preventable. Outcome studies, methodological issues, pathophysiology, and preoperative and postoperative management of the cognitive and neuropsychiatric aspects and complications of DBS for PD are discussed.
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Affiliation(s)
- Valerie Voon
- Department of Psychiatry, Toronto Western Hospital, Toronto, Canada.
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32
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Deuschl G, Herzog J, Kleiner-Fisman G, Kubu C, Lozano AM, Lyons KE, Rodriguez-Oroz MC, Tamma F, Tröster AI, Vitek JL, Volkmann J, Voon V. Deep brain stimulation: Postoperative issues. Mov Disord 2006; 21 Suppl 14:S219-37. [PMID: 16810719 DOI: 10.1002/mds.20957] [Citation(s) in RCA: 199] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Numerous factors need to be taken into account when managing a patient with Parkinson's disease (PD) after deep brain stimulation (DBS). Questions such as when to begin programming, how to conduct a programming screen, how to assess the effects of programming, and how to titrate stimulation and medication for each of the targeted sites need to be addressed. Follow-up care should be determined, including patient adjustments of stimulation, timing of follow-up visits and telephone contact with the patient, and stimulation and medication conditions during the follow-up assessments. A management plan for problems that can arise after DBS such as weight gain, dyskinesia, axial symptoms, speech dysfunction, muscle contractions, paresthesia, eyelid, ocular and visual disturbances, and behavioral and cognitive problems should be developed. Long-term complications such as infection or erosion, loss of effect, intermittent stimulation, tolerance, and pain or discomfort can develop and need to be managed. Other factors that need consideration are social and job-related factors, development of dementia, general medical issues, and lifestyle changes. This report from the Consensus on Deep Brain Stimulation for Parkinson's Disease, a project commissioned by the Congress of Neurological Surgeons and the Movement Disorder Society, outlines answers to a series of questions developed to address all aspects of DBS postoperative management and decision-making with a systematic overview of the literature (until mid-2004) and by the expert opinion of the authors. The report has been endorsed by the Scientific Issues Committee of the Movement Disorder Society and the American Society of Stereotactic and Functional Neurosurgery.
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Affiliation(s)
- Günther Deuschl
- Department of Neurology, Christian-Albrechts-Universität Kiel, Kiel, Germany.
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Whittle S, Allen NB, Lubman DI, Yücel M. The neurobiological basis of temperament: towards a better understanding of psychopathology. Neurosci Biobehav Rev 2005; 30:511-25. [PMID: 16289282 DOI: 10.1016/j.neubiorev.2005.09.003] [Citation(s) in RCA: 129] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2005] [Revised: 09/07/2005] [Accepted: 09/13/2005] [Indexed: 01/18/2023]
Abstract
The ability to characterise psychopathologies on the basis of their underlying neurobiology is critical in improving our understanding of disorder etiology and making more effective diagnostic and treatment decisions. Given the well-documented relationship between temperament (i.e. core personality traits) and psychopathology, research investigating the neurobiological substrates that underlie temperament is potentially key to our understanding of the biological basis of mental disorder. We present evidence that specific areas of the prefrontal cortex (including the dorsolateral prefrontal, anterior cingulate, and orbitofrontal cortices) and limbic structures (including the amygdala, hippocampus and nucleus accumbens) are key regions associated with three fundamental dimensions of temperament: Negative Affect, Positive Affect, and Constraint. Proposed relationships are based on two types of research: (a) research into the neurobiological correlates of affective and cognitive processes underlying these dimensions; and (b) research into the neurobiology of various psychopathologies, which have been correlated with these dimensions. A model is proposed detailing how these structures might comprise neural networks whose functioning underlies the three temperaments. Recommendations are made for future research into the neurobiology of temperament, including the need to focus on neural networks rather than individual structures, and the importance of prospective, longitudinal, multi-modal imaging studies in at-risk youth.
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Affiliation(s)
- Sarah Whittle
- ORYGEN Research Centre, University of Melbourne, Vic. 3052, Australia
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Abstract
Since the early 1930s, physicians have developed and refined various surgical therapies for the treatment of Parkinson's disease. In this review we examine some of the problems associated with early surgical therapies, the development of new techniques and targets, and the results of clinical trials examining the safety and efficacy of these techniques. Ablative techniques include pallidotomy, thalamotomy, and, more recently, subthalamotomy. Because of concern over the high incidence of side-effects associated with bilateral ablative procedures, alternative approaches were explored. Deep brain stimulation (DBS) was subsequently developed and successfully applied in the internal globus pallidus, subthalamic nucleus, and thalamus for the treatment of Parkinson's disease. Recent approaches include biological neurorestorative techniques--surgical therapies with transplantation, gene therapy, and growth factors are all being studied. Although a great deal of work remains to be done, advances in surgical therapies for the treatment of Parkinson's disease are moving forward at an unprecedented pace.
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Affiliation(s)
- Benjamin L Walter
- Center for Neurological Restoration, Cleveland Clinic Foundation, Ohio 44195, USA
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35
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Abstract
Parkinson's disease is associated with classical Parkinsonian features that respond to dopaminergic therapy. Neuropsychiatric sequelae include dementia, major depression, dysthymia, anxiety disorders, sleep disorders, and sexual disorders. Panic attacks are particularly common. With treatment, visual hallucinations, paranoid delusions, mania, or delirium may evolve. Psychosis is a key factor in nursing home placement, and depression is the most significant predictor of quality of life. Clozapine may be the safest treatment for psychotic features, but more research is needed to establish the efficacy of antidepressant treatments. Dementia with Lewy bodies, the second most common dementia in the elderly, may present in association with systematized delusions, depression, or RBD. Early evidence suggests the utility of rivastigmine, donepezil, low-dose olanzapine, and quetiapine in treating DLB. Parkinson-plus syndromes generally lack a good response to dopaminergic treatment and evidence additional features, including dysautonomia, cerebellar and pontine features, eye signs, and other movement disorders. MSA is associated with dysautonomia and RBD. SND (MSA-P) is associated with frontal cognitive impairments, but dementia, psychosis, and mood disorders have not been strikingly apparent unless additional pathological findings are present. In SDS (MSA-A), impotence is almost ubiquitous; urinary incontinence is frequent; depression is occasional, and sleep apnea should be treated to avoid sudden death during sleep. OPCA neuropsychiatric correlates await further definition. Progressive supranuclear palsy neuropsychiatric features include apathy, subcortical dementia, pathological emotionality, mild depression and anxiety, and lack of appreciable response to donepezil. CBD usually is recognized by early frontal dementia with ideomotor apraxia, often in the right upper extremity, attended later by poorly responsive unilateral Parkinsonism, with additional signs including cortical reflex myoclonus, limb dystonia, alien limb, oculomotor apraxia when asked to look horizontally, depression, personality changes, and, occasionally, Kluver-Bucy syndrome. The neuropsychiatry of FTDP-17 involves apraxia, executive impairment, personality changes, hyperorality, and occasional psychosis. Future research in these Parkinsonian disorders should target the characterization of neuropsychiatric sequelae and their treatment.
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Affiliation(s)
- Edward C Lauterbach
- Division of Adult and Geriatric Psychiatry, Mercer University School of Medicine, 655 First Street, Macon, GA 31201, USA.
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36
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Burn DJ, Tröster AI. Neuropsychiatric complications of medical and surgical therapies for Parkinson's disease. J Geriatr Psychiatry Neurol 2004; 17:172-80. [PMID: 15312281 DOI: 10.1177/0891988704267466] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
This review deals with the range of neuropsychiatric problems that may arise from the use of medical and surgical therapies in the treatment of Parkinson's disease. As new approaches emerge, these problems are diversifying. Well-recognized drug-related complications include hallucinations and psychosis and the so-called dopamine-dysregulation syndrome. The etiology of these problems has not been fully established and is not clearly dose related, while the management can be difficult and needs to be tailored to the individual patient. Cholinergic and dopaminergic drugs may both influence cognitive function. The development of pharmacogenetics could improve the therapeutic ratio of medical approaches to PD in the future. The literature relating to the neuropsychiatric issues complicating the surgical treatment of Parkinson's disease is more recent and frequently suffers from methodological problems, lack of a systematic approach, and adequate patient follow-up. The emergence of neuropsychiatric problems in association with surgery has shed new light upon the pathophysiological mechanisms underpinning these symptoms. Depression, hypomania, euphoria, mirth, and hypersexuality have all been described following deep brain stimulation procedures, although most studies have concentrated upon the depressive features. Anxiety has been described only rarely to date. Fortunately, permanent cognitive complications appear to be rare. The optimal management approach for surgically related neuropsychiatric problems is unknown at present. Prospective multicenter studies would contribute significantly to resolving this therapeutic uncertainty.
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Affiliation(s)
- David J Burn
- Department of Neurology, Regional Neurosciences Centre, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne NE4 6BE.
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37
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Breit S, Schulz JB, Benabid AL. Deep brain stimulation. Cell Tissue Res 2004; 318:275-88. [PMID: 15322914 DOI: 10.1007/s00441-004-0936-0] [Citation(s) in RCA: 144] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2004] [Accepted: 06/01/2004] [Indexed: 01/11/2023]
Abstract
During the last decade deep brain stimulation (DBS) has become a routine method for the treatment of advanced Parkinson's disease (PD), leading to striking improvements in motor function and quality of life of PD patients. It is associated with minimal morbidity. The rationale of targeting specific structures within basal ganglia such as the subthalamic nucleus (STN) or the internal segment of the globus pallidus (GPi) is strongly supported by the current knowledge of the basal ganglia pathophysiology, which is derived from extensive experimental work and which provides the theoretical basis for surgical therapy in PD. In particular, the STN has advanced to the worldwide most used target for DBS in the treatment of PD, due to the marked improvement of all cardinal symptoms of the disease. Moreover on-period dyskinesias are reduced in parallel with a marked reduction of the equivalent daily levodopa dose following STN-DBS. The success of the therapy largely depends on the selection of the appropriate candidate patients and on the precise implantation of the stimulation electrode, which necessitates careful imaging-based pre-targeting and extensive electrophysiological exploration of the target area. Despite the clinical success of the therapy, the fundamental mechanisms of high-frequency stimulation are still not fully elucidated. There is a large amount of evidence from experimental and clinical data that stimulation frequency represents a key factor with respect to clinical effect of DBS. Interestingly, high-frequency stimulation mimics the functional effects of ablation in various brain structures. The main hypotheses for the mechanism of high-frequency stimulation are: (1) depolarization blocking of neuronal transmission through inactivation of voltage dependent ion-channels, (2) jamming of information by imposing an efferent stimulation-driven high-frequency pattern, (3) synaptic inhibition by stimulation of inhibitory afferents to the target nucleus, (4) synaptic failure by stimulation-induced neurotransmitter depletion. As the hyperactivity of the STN is considered a functional hallmark of PD and as there is experimental evidence for STN-mediated glutamatergic excitotoxicity on neurons of the substantia nigra pars compacta (SNc), STN-DBS might reduce glutamatergic drive, leading to neuroprotection. Further studies will be needed to elucidate if STN-DBS indeed provides a slow-down of disease progression.
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Affiliation(s)
- Sorin Breit
- Department of General Neurology, Hertie Institute for Clinical Brain Research, Center of Neurology, University of Tübingen, Hoppe-Seyler-Strasse 3, 72076 Tübingen, Germany.
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Stefurak T, Mikulis D, Mayberg H, Lang AE, Hevenor S, Pahapill P, Saint-Cyr J, Lozano A. Deep brain stimulation for Parkinson's disease dissociates mood and motor circuits: a functional MRI case study. Mov Disord 2004; 18:1508-16. [PMID: 14673888 DOI: 10.1002/mds.10593] [Citation(s) in RCA: 134] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Behavioral disturbances have been reported with subthalamic (STN) deep brain stimulation (DBS) treatment in Parkinson's disease (PD). We report correlative functional imaging (fMRI) of mood and motor responses induced by successive right and left DBS. A 36-year-old woman with medically refractory PD and a history of clinically remitted depression underwent uncomplicated implantation of bilateral STN DBS. High-frequency stimulation of the left electrode improved motor symptoms. Unexpectedly, right DBS alone elicited several reproducible episodes of acute depressive dysphoria. Structural and functional magnetic resonance imaging (fMRI) imaging was carried out with sequential individual electrode stimulation. The electrode on the left was within the inferior STN, whereas the right electrode was marginally superior and lateral to the intended STN target within the Fields of Forel/zona incerta. fMRI image analysis (Analysis of Functional NeuroImages, AFNI) contrasting OFF versus ON stimulation identified significant lateralized blood oxygen level-dependent (BOLD) signal changes with DBS (P < 0.001). Left DBS primarily showed changes in motor regions: increases in premotor and motor cortex, ventrolateral thalamus, putamen, and cerebellum as well as decreases in sensorimotor/supplementary motor cortex. Right DBS showed similar but less extensive change in motor regions. More prominent were the unique increases in superior prefrontal cortex, anterior cingulate (Brodmann's area [BA] 24), anterior thalamus, caudate, and brainstem, and marked widespread decreases in medial prefrontal cortex (BA 9/10). The mood disturbance resolved spontaneously in 4 weeks despite identical stimulation parameters. Transient depressive mood induced by subcortical DBS stimulation was correlated with changes in mesolimbic cortical structures. This case provides new evidence supporting cortical segregation of motor and nonmotor cortico-basal ganglionic systems that may converge in close proximity at the level of the STN and the adjacent white matter tracts (Fields of Forel/zona incerta).
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Affiliation(s)
- Taresa Stefurak
- Rotman Research Institute, University of Toronto, Toronto, Ontario, Canada.
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Malhi GS, Lagopoulos J, Ward PB, Kumari V, Mitchell PB, Parker GB, Ivanovski B, Sachdev P. Cognitive generation of affect in bipolar depression: an fMRI study. Eur J Neurosci 2004; 19:741-54. [PMID: 14984424 DOI: 10.1111/j.0953-816x.2003.03159.x] [Citation(s) in RCA: 141] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Individuals with bipolar disorder manifest the full spectrum of emotions ranging from depression to mania. In attempting to understand the functional substrates of mood we attempted to identify brain regions associated with the cognitive generation of affect in bipolar depressed patients. We therefore examined ten depressed female subjects with bipolar affective disorder, and ten age-matched and sex-matched healthy comparison subjects using functional magnetic resonance imaging (fMRI) while viewing alternating blocks of captioned pictures designed to evoke negative, positive or no affective change. The activation paradigm involved the presentation of the same visual materials over three experiments alternating (experiment 1) negative and reference; (experiment 2) positive and reference and (experiment 3) positive and negative captioned pictures. The stimuli produced activation in both patients and comparison subjects in brain regions previously implicated in the generation and modulation of affect, in particular the prefrontal and anterior cingulate cortices. The activation in patients, when compared with healthy subjects, involved additional subcortical regions, in particular the amygdala, thalamus, hypothalamus and medial globus pallidus. Patients and comparison subjects displayed differential sensitivity to affective change with negative (experiment 1) and positive (experiment 2) affect induction producing converse patterns of activation. We conclude that bipolar depressed patients perhaps recruit additional subcortical limbic systems for emotional evaluation and this may reflect state-related or trait-related dysfunction. The differential patterns of activation inform us about bipolar depression and have potential diagnostic and therapeutic significance.
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Affiliation(s)
- Gin S Malhi
- School of Psychiatry, University of New South Wales, Sydney, Australia.
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Caligiuri MP, Brown GG, Meloy MJ, Eberson SC, Kindermann SS, Frank LR, Zorrilla LE, Lohr JB. An fMRI study of affective state and medication on cortical and subcortical brain regions during motor performance in bipolar disorder. Psychiatry Res 2003; 123:171-82. [PMID: 12928105 DOI: 10.1016/s0925-4927(03)00075-1] [Citation(s) in RCA: 104] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Structural neuroimaging studies have identified abnormalities in the basal ganglia in patients with bipolar disorder. Findings have been mixed with regard to affective state and have not elaborated on the role of medication on functional brain activity. The aims of the present study were to use functional magnetic resonance imaging (fMRI) to test whether depressed and manic bipolar disorder patients differ in terms of activity in cortical and subcortical brain areas and to examine the effects of psychotropic medication. Twenty-four bipolar disorder subjects and 13 healthy comparison subjects participated in an fMRI study of manual reaction time. Both manic and depressed subjects exhibited abnormally elevated blood oxygen level dependent BOLD responses in cortical and subcortical areas. Manic bipolar subjects had significantly higher BOLD responses in the left globus pallidus and significantly lower BOLD responses in the right globus pallidus compared with depressed bipolar patients. Correlational analyses revealed significant relationships between the severity of mania and activity within the globus pallidus and caudate. Patients off antipsychotic or mood-stabilizing medication exhibited significantly higher BOLD responses throughout the motor cortex, basal ganglia and thalamus compared with patients on these medications. These results suggest that affective state in bipolar disorder may be related to a disturbance of inhibitory regulation within the basal ganglia and that antipsychotics and/or mood stabilizers normalize cortical and subcortical hyperactivity.
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Affiliation(s)
- Michael P Caligiuri
- Movement Disorders Laboratory, Department of Psychiatry (0603), University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
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Anderson KE, Mullins J. Behavioral changes associated with deep brain stimulation surgery for Parkinson's disease. Curr Neurol Neurosci Rep 2003; 3:306-13. [PMID: 12930700 DOI: 10.1007/s11910-003-0007-z] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Evaluation for psychiatric and cognitive dysfunction is a crucial part of preoperative assessment for deep brain stimulation (DBS) surgery. All candidates for DBS should be treated for active psychiatric disorders, and the treatment team should also screen for past psychiatric history, which may predispose to postoperative psychiatric illness. A wide range of behavioral symptoms have been seen following DBS, including depression, hallucinations or true psychosis, mania, and impulsivity. Suicidal ideation should be treated aggressively. Cognitive changes may occur, but data are currently too limited to make predictions regarding subtle effects on cognition. However, patients with dementia may experience further decline in cognitive function following DBS.
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Affiliation(s)
- Karen E Anderson
- Division of Movement Disorders, Department of Neurology, University of Maryland School of Medicine, 22 South Greene Street, Room NW49A, Baltimore, MD 21201, USA.
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Abstract
We report two cases of transient hypomanic behavior following pallidotomy. Both of the reported patients had lesions involving non-motor portions of the globus pallidus. Patient 1 had a lesion in the left anteromedial portion of GPi, while patient 2 had one lesion involving the anteromedial portion of GPi on the right and a second lesion involving the postero-ventral most portion of the putamen on the left. These cases emphasize the importance of placing lesions within the sensori-motor portion of GPi without infringing on adjacent non-motor portions. Cases involving transient manic behavior after pallidotomy have not been previously reported. Centers performing pallidotomy or DBS should be aware that lesions or stimulation too anterior in the GPi might lead to manic behavior.
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Affiliation(s)
- Michael S Okun
- Department of Neurology, University of Florida, Gainesville, FL, USA
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Abstract
How does the brain cause positive affective reactions to sensory pleasure? An answer to pleasure causation requires knowing not only which brain systems are activated by pleasant stimuli, but also which systems actually cause their positive affective properties. This paper focuses on brain causation of behavioral positive affective reactions to pleasant sensations, such as sweet tastes. Its goal is to understand how brain systems generate 'liking,' the core process that underlies sensory pleasure and causes positive affective reactions. Evidence suggests activity in a subcortical network involving portions of the nucleus accumbens shell, ventral pallidum, and brainstem causes 'liking' and positive affective reactions to sweet tastes. Lesions of ventral pallidum also impair normal sensory pleasure. Recent findings regarding this subcortical network's causation of core 'liking' reactions help clarify how the essence of a pleasure gloss gets added to mere sensation. The same subcortical 'liking' network, via connection to brain systems involved in explicit cognitive representations, may also in turn cause conscious experiences of sensory pleasure.
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Affiliation(s)
- Kent C Berridge
- Department of Psychology, University of Michigan, Ann Arbor, MI 48109-1109, USA.
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Abstract
Psychiatric disturbances are a common feature of Parkinson's disease (PD), which is a degenerative disorder defined by its characteristic movement abnormalities. Its management is optimal when PD is viewed as a neuropsychiatric disorder, because this encourages consideration of the motor deficits along with its psychiatric and cognitive aspects. This review addresses the diagnosis and treatment of the most common psychiatric disorders in PD, and provides an update of related clinical research, including studies on neurosurgical treatments.
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Affiliation(s)
- Laura Marsh
- Division of Psychiatric Neuroimaging, Geriatric and Neuropsychiatry Programs, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Phipps 300-C, Baltimore, MD 21287, USA.
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Scott RB, Gregory R, Wilson J, Banks S, Turner A, Parkin S, Giladi N, Joint C, Aziz T. Executive cognitive deficits in primary dystonia. Mov Disord 2003; 18:539-50. [PMID: 12722168 DOI: 10.1002/mds.10399] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Primary dystonia is a disorder of movement for which no consistent pathophysiology has been identified; in the absence of evidence to the contrary, it is assumed to be cognitively benign. We have studied a clinically heterogeneous group of 14 patients with primary dystonia on a battery of neuropsychological tests. Despite well-preserved speed of information processing, language, spatial, memory and general intellectual skills relative to normal controls, we have identified a constellation of attentional-executive cognitive deficits on the Cambridge Neuropsychological Test Automated Battery (CANTAB). Specifically, patients demonstrated significant difficulties negotiating the extra-dimensional set-shifting phase of the IED task. The implications of these findings for the pathophysiology of primary dystonia are discussed. This is, to the best of our knowledge, the first report of a significant cognitive deficit in patients with primary dystonia.
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Affiliation(s)
- Richard B Scott
- Russell-Cairns Unit, Radcliffe Infirmary, Oxford, United Kingdom.
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Tröster AI, Woods SP, Fields JA, Hanisch C, Beatty WW. Declines in switching underlie verbal fluency changes after unilateral pallidal surgery in Parkinson's disease. Brain Cogn 2002; 50:207-17. [PMID: 12464190 DOI: 10.1016/s0278-2626(02)00504-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Declines in verbal fluency are consistently reported in patients with Parkinson's disease (PD) after pallidal surgery. In the present study, the clustering and switching components of semantic or category fluency (oral naming of items obtainable in supermarkets) were examined at baseline and four months after unilateral deep brain stimulation or pallidotomy in 45 patients with PD (30 left, 15 right pallidal surgery). Post-operative declines were observed for supermarket fluency total score and switching, but not for average cluster size. These findings support the proposal that semantic fluency decrements after pallidal surgery reflect a disruption of frontal-basal ganglia circuits mediating efficient shifting between semantic categories, or perhaps efficient access to categories, rather than a degradation of semantic stores.
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Affiliation(s)
- Alexander I Tröster
- Department of Psychiatry and Behavioral Sciences, School of Medicine, University of Washington, Seattle, WA, USA.
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Romito LM, Raja M, Daniele A, Contarino MF, Bentivoglio AR, Barbier A, Scerrati M, Albanese A. Transient mania with hypersexuality after surgery for high frequency stimulation of the subthalamic nucleus in Parkinson's disease. Mov Disord 2002; 17:1371-4. [PMID: 12465087 DOI: 10.1002/mds.10265] [Citation(s) in RCA: 145] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Among 30 Parkinson's disease patients who received high frequency stimulation of the subthalamic nucleus, 5 developed remarkable disorders of mood or sexual behavior after the implant. We describe 2 men who developed mania and hypersexuality a few days after the implant that lasted for some months and then gradually disappeared spontaneously.
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Pollak P, Fraix V, Krack P, Moro E, Mendes A, Chabardes S, Koudsie A, Benabid AL. Treatment results: Parkinson's disease. Mov Disord 2002; 17 Suppl 3:S75-83. [PMID: 11948759 DOI: 10.1002/mds.10146] [Citation(s) in RCA: 103] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Deep brain stimulation (DBS) is a neurosurgical treatment of Parkinson's disease that is applied to three targets: the ventral intermediate nucleus of the thalamus (Vim), the globus pallidus internas (GPi) and the subthalamic nucleus (STN). Vim DBS mainly improves contralateral tremor and, therefore, is being supplanted by DBS of the two other targets, even in patients with tremor dominant disease. STN and GPi DBS improve off-motor phases and dyskinesias. There is little comparative data between these procedures. The magnitude of the motor improvement seems more constant with STN than GPi DBS. STN DBS allows a decrease in antiparkinsonian drug doses and consumes moderate current. These advantages of STN over GPi DBS are offset by the need for more intensive postoperative management. The DBS procedure has the unique advantage of reversibility and adjustability over time. Patients with young-onset Parkinson's disease suffering from levodopa-induced motor complications but still responding well to levodopa and who exhibit no behavioral, mood, or cognitive impairment benefit the most from STN DBS. Adverse effects more specific of the DBS procedure are infection, cutaneous erosion, and lead breaking or disconnection. Intracranial electrode implantation can induce a hematoma or contusion. Most authors agree that the benefit to risk ratio of DBS is favorable.
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Affiliation(s)
- Pierre Pollak
- Department of Clinical and Biological Neurosciences, Service de Neurologie, Centre Hospitalier Universitaire de Grenoble, France.
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Okun MS, Heilman KM, Vitek JL. Treatment of pseudobulbar laughter after gamma knife thalamotomy. Mov Disord 2002; 17:622-4. [PMID: 12112225 DOI: 10.1002/mds.10174] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
We describe a case of pathological laughter after gamma knife thalamotomy which resolved after treatment with sertraline. It is important to identify this potentially treatable complication of surgical therapy.
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Affiliation(s)
- Michael S Okun
- Emory University, Department of Neurology, Atlanta, Georgia, USA.
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Abstract
Ablative and chronic stimulation procedures targeting the internal pallidum (GPi) and the subthalamic nucleus (STN) have led to major advancements in the treatment of Parkinson's disease and other movement disorders. Although these procedures have evolved to primarily target the posterior ventrolateral sensorimotor portion of GPi and to less selectively target STN, centrally, the ideal targets within these structures remain to be fully established. In this study, we sought to identify the optimal targeting sites in GPi and STN for reversal of parkinsonian signs through a series of reversible injections of the GABA(A) agonist muscimol in these nuclei in parkinsonian primates. Akinesia and bradykinesia were strongly ameliorated by discrete inactivation within the centromedial extent of the sensorimotor territory in GPi and the lateral portion of the sensorimotor territory in STN. This suggests that akinesia and bradykinesia might, in fact, originate from abnormalities in the same, or at least overlapping, motor circuits in the parkinsonian state. Inactivation of areas outside of the motor territories did not improve parkinsonism but induced circling and behavioral abnormalities. The segregation of basal ganglia-thalamocortical circuits appears to be therefore maintained, at least to a large extent, in the parkinsonian state. These results underscore that inactivation of discrete regions in the central territory of GPi and the lateral portion of STN are sufficient to ameliorate parkinsonian motor signs and that extension of lesions into nonmotor territories may be deleterious. Surgical outcomes might therefore be optimized by placing more discrete lesions and by restricting the extent of chronic stimulation.
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