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Deep Brain Stimulation Obsessive Compulsive Disorder

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https://www.readbyqxmd.com/read/28536064/analysis-of-delayed-intracerebral-hemorrhage-associated-with-deep-brain-stimulation-surgery
#1
Chang Kyu Park, Na Young Jung, Min Soo Kim, Jin Woo Chang
OBJECTIVE: Deep brain stimulation (DBS) may cause various complications, including intracerebral hemorrhage (ICH). Because ICH causes devastating neurological outcomes, various surgical techniques are attempting to reduce the chances of ICH. More importantly, early detection and proper management of postoperative ICH are indispensable. ICH may occur immediate or delayed following DBS; in this study, we analyzed the clinical features of delayed ICH after DBS. METHODS: Patients (n=272) underwent postoperative brain computed tomography (CT) immediately after and 1 day after DBS between January 2008 and November 2016...
May 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28532905/choreatic-side-effects-of-deep-brain-stimulation-of-the-anteromedial-subthalamic-nucleus-for-treatment-resistant-obsessive-compulsive-disorder
#2
Anne E P Mulders, Albert F G Leentjens, Koen Schruers, Annelien Duits, Linda Ackermans, Yasin Temel
BACKGROUND: Patients with treatment-resistant obsessive-compulsive disorder (OCD) are potential candidates for deep brain stimulation (DBS). The anteromedial subthalamic nucleus (STN) is among the most commonly used targets for DBS in OCD. CASE DESCRIPTION: We present a patient with a 30-year history of treatment-resistant OCD who underwent anteromedial STN-DBS. Despite a clear mood-enhancing effect, stimulation caused motor side effects, including bilateral hyperkinesia, dyskinesias, and sudden large amplitude choreatic movements of arms and legs when stimulating at voltages greater than approximately 1...
May 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28523977/the-application-of-deep-brain-stimulation-in-the-treatment-of-psychiatric-disorders
#3
Ilse Graat, Martijn Figee, Damiaan Denys
Deep brain stimulation (DBS) is a last-resort treatment for neurological and psychiatric disorders that are refractory to standard treatment. Over the last decades, the progress of DBS in psychiatry has been slower than in neurology, in part owing to the heterogenic symptomatology and complex neuroanatomy of psychiatric disorders. However, for obsessive-compulsive disorder (OCD) DBS is now an accepted treatment. This study first reviews clinical outcomes and mechanisms of DBS for OCD, and then discusses these results in an overview of current and future psychiatric applications, including DBS for mood disorders, Tourette's syndrome, addiction, anorexia nervosa, autism, schizophrenia, and anxiety disorders...
April 2017: International Review of Psychiatry
https://www.readbyqxmd.com/read/28496402/cortico-striatal-thalamic-loop-circuits-of-the-orbitofrontal-cortex-promising-therapeutic-targets-in-psychiatric-illness
#4
REVIEW
Peter Fettes, Laura Schulze, Jonathan Downar
Corticostriatal circuits through the orbitofrontal cortex (OFC) play key roles in complex human behaviors such as evaluation, affect regulation and reward-based decision-making. Importantly, the medial and lateral OFC (mOFC and lOFC) circuits have functionally and anatomically distinct connectivity profiles which differentially contribute to the various aspects of goal-directed behavior. OFC corticostriatal circuits have been consistently implicated across a wide range of psychiatric disorders, including major depressive disorder (MDD), obsessive compulsive disorder (OCD), and substance use disorders (SUDs)...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28474552/new-directions-in-the-use-of-brain-stimulation-interventions-in-patients-with-obsessive-compulsive-disorder
#5
Bernardo Dell'Osso, Laura Cremaschi, Lucio Oldani, Alfredo Carlo Altamura
Obsessive-Compulsive Disorder (OCD) is a highly disabling condition with early onset and chronic course in most of the affected patients. In addition, OCD may show high comorbidity and suicide attempt rates, which worsen the overall burden of the disease for patients and their caregivers. First-line treatments for OCD consist of pro-serotonergic compounds and cognitive-behavioral therapy. Nonetheless, many patients show only limited benefit from such interventions and require additional "next-step" interventions, including augmentative antipsychotics and glutamate-modulating agents...
May 4, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28457837/cost-effectiveness-of-deep-brain-stimulation-versus-treatment-as-usual-for-obsessive-compulsive-disorder
#6
Pieter Ooms, Matthijs Blankers, Martijn Figee, Isidoor O Bergfeld, Pepijn van den Munckhof, P Richard Schuurman, Damiaan Denys
BACKGROUND: Deep Brain Stimulation (DBS) is effective for obsessive-compulsive disorder (OCD), but requires expensive medical procedures. To date, no study has examined the cost-effectiveness of DBS for OCD. OBJECTIVE: To perform the first economic evaluation of DBS for therapy refractory OCD. METHODS: We conducted a 2-year prospective, open cost-effectiveness study, comparing DBS (n = 17) with treatment as usual (TAU) (n = 11), with cost per Quality-Adjusted-Life-Year (QALY) as outcome measure...
July 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28457185/deep-brain-stimulation-of-the-anterior-limb-of-the-internal-capsule-for-treatment-of-therapy-refractory-obsessive-compulsive-disorder-ocd-a-case-study-highlighting-neurocognitive-and-psychiatric-changes
#7
Tabina K Choudhury, Joyce E Davidson, Ashwin Viswanathan, Adriana M Strutt
Obsessive compulsive disorder (OCD) is an anxiety disorder characterized by repeated, unwanted thoughts and behaviors. Individuals with this condition often experience significant emotional distress secondary to their symptoms. Additionally, impairments in attention/concentration, processing speed, and executive functions are typically observed. The exact pathology of OCD remains unknown; consequently, it can be difficult to treat patients with severe symptomatology. Deep brain stimulation (DBS) may be a viable treatment option for individuals who do not respond to medication and/or cognitive behavioral therapy...
May 1, 2017: Neurocase
https://www.readbyqxmd.com/read/28426824/becoming-more-oneself-changes-in-personality-following-dbs-treatment-for-psychiatric-disorders-experiences-of-ocd-patients-and-general-considerations
#8
Sanneke de Haan, Erik Rietveld, Martin Stokhof, Damiaan Denys
Does DBS change a patient's personality? This is one of the central questions in the debate on the ethics of treatment with Deep Brain Stimulation (DBS). At the moment, however, this important debate is hampered by the fact that there is relatively little data available concerning what patients actually experience following DBS treatment. There are a few qualitative studies with patients with Parkinson's disease and Primary Dystonia and some case reports, but there has been no qualitative study yet with patients suffering from psychiatric disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28387621/deep-brain-stimulation-for-tourette-syndrome-a-single-center-series
#9
Richard S Dowd, Michael Pourfar, Alon Y Mogilner
OBJECTIVE Tourette syndrome (TS) is a complex neuropsychiatric disorder characterized by multiple motor and phonic tics. While pharmacological and behavioral therapy can be effective in most patients, a subset of patients remains refractory to treatment. Increasing clinical evidence from multiple centers suggests that deep brain stimulation (DBS) of the medial thalamus can be effective in many cases of refractory TS. METHODS The authors retrospectively reviewed outcomes in 13 patients with refractory TS who underwent medial thalamic DBS performed by their team over a 7-year period...
April 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28386221/deep-brain-stimulation-of-the-nucleus-accumbens-core-affects-trait-impulsivity-in-a-baseline-dependent-manner
#10
Maria C Schippers, Bastiaan Bruinsma, Mathijs Gaastra, Tanja I Mesman, Damiaan Denys, Taco J De Vries, Tommy Pattij
Deep brain stimulation (DBS) of the nucleus accumbens (NA) is explored as a treatment for refractory psychiatric disorders, such as obsessive-compulsive disorder (OCD), depressive disorder (MDD), and substance use disorder (SUD). A common feature of some of these disorders is pathological impulsivity. Here, the effects of NAcore DBS on impulsive choice and impulsive action, two distinct forms of impulsive behavior, were investigated in translational animal tasks, the delayed reward task (DRT) and five-choice serial reaction time task (5-CSRTT), respectively...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28384832/obsessive-compulsive-disorder-advances-in-diagnosis-and-treatment
#11
REVIEW
Matthew E Hirschtritt, Michael H Bloch, Carol A Mathews
Importance: Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder associated with significant impairment and a lifetime prevalence of 1% to 3%; however, it is often missed in primary care settings and frequently undertreated. Objective: To review the most current data regarding screening, diagnosis, and treatment options for OCD. Evidence Review: We searched PubMed, EMBASE, and PsycINFO to identify randomized controlled trials (RCTs), meta-analyses, and systematic reviews that addressed screening and diagnostic and treatment approaches for OCD among adults (≥18 years), published between January 1, 2011, and September 30, 2016...
April 4, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28373849/deep-brain-stimulation-in-anorexia-nervosa-hope-for-the-hopeless-or-exploitation-of-the-vulnerable-the-oxford-neuroethics-gold-standard-framework
#12
Rebecca J Park, Ilina Singh, Alexandra C Pike, Jacinta O A Tan
Neurosurgical interventions for psychiatric disorders have a long and troubled history (1, 2) but have become much more refined in the last few decades due to the rapid development of neuroimaging and robotic technologies (2). These advances have enabled the design of less invasive techniques, which are more focused, such as deep brain stimulation (DBS) (3). DBS involves electrode insertion into specific neural targets implicated in pathological behavior, which are then repeatedly stimulated at adjustable frequencies...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28331322/the-role-of-deep-brain-stimulation-in-parkinson-s-disease-an-overview-and-update-on-new-developments
#13
REVIEW
John Y Fang, Christopher Tolleson
Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the loss of neuronal dopamine production in the brain. Oral therapies primarily augment the dopaminergic pathway. As the disease progresses, more continuous delivery of therapy is commonly needed. Deep brain stimulation (DBS) has become an effective therapy option for several different neurologic and psychiatric conditions, including PD. It currently has US Food and Drug Administration approval for PD and essential tremor, as well as a humanitarian device exception for dystonia and obsessive-compulsive disorder...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28256778/rechargeable-stimulators-in-deep-brain-stimulation-for-obsessive-compulsive-disorder-a-prospective-interventional-cohort-study
#14
Philippe De Vloo, Simon Raymaekers, Kris van Kuyck, Laura Luyten, Lutgardis Gabriëls, Bart Nuttin
BACKGROUND: From 1999 onwards, deep brain stimulation (DBS) has been proposed as an alternative to capsulotomy in refractory cases of obsessive-compulsive disorder (OCD). Although rechargeable implantable pulse generators (rIPGs) have been used extensively in DBS for movement disorders, there are no reports on rIPGs in patients with a psychiatric DBS indication, and even possible objections to their use. OBJECTIVE: We aim to evaluate rIPGs in OCD in terms of effectiveness, applicability, safety, and need for IPG replacement...
March 3, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28242732/inhibitory-dysfunction-contributes-to-some-of-the-motor-and-non-motor-symptoms-of-movement-disorders-and-psychiatric-disorders
#15
REVIEW
Marjan Jahanshahi, John C Rothwell
Recently, it has been proposed that similar to goal-directed and habitual action mediated by the fronto-striatal circuits, the fronto-striato-subthalamic-pallidal-thalamo-cortical network may also mediate goal-directed and habitual (automatic) inhibition in both the motor and non-motor domains. Within this framework, some of the clinical manifestations of Parkinson's disease, dystonia, Tourette syndrome and obsessive-compulsive disorder can be considered to represent an imbalance between goal-directed and habitual action and inhibition...
April 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28222198/algorithmic-design-of-a-noise-resistant-and-efficient-closed-loop-deep-brain-stimulation-system-a-computational-approach
#16
Sofia D Karamintziou, Ana Luísa Custódio, Brigitte Piallat, Mircea Polosan, Stéphan Chabardès, Pantelis G Stathis, George A Tagaris, Damianos E Sakas, Georgia E Polychronaki, George L Tsirogiannis, Olivier David, Konstantina S Nikita
Advances in the field of closed-loop neuromodulation call for analysis and modeling approaches capable of confronting challenges related to the complex neuronal response to stimulation and the presence of strong internal and measurement noise in neural recordings. Here we elaborate on the algorithmic aspects of a noise-resistant closed-loop subthalamic nucleus deep brain stimulation system for advanced Parkinson's disease and treatment-refractory obsessive-compulsive disorder, ensuring remarkable performance in terms of both efficiency and selectivity of stimulation, as well as in terms of computational speed...
2017: PloS One
https://www.readbyqxmd.com/read/28195571/electrical-stimulation-of-the-bed-nucleus-of-the-stria-terminalis-reduces-anxiety-in-a-rat-model
#17
K Luyck, T Tambuyzer, M Deprez, J Rangarajan, B Nuttin, L Luyten
We recently showed that deep brain stimulation (DBS) in the bed nucleus of the stria terminalis (BST) reduces obsessions, compulsions and associated anxiety in patients suffering from severe, treatment-refractory obsessive-compulsive disorder. Here, we investigated the anxiolytic effects of electrical BST stimulation in a rat model of conditioned anxiety, unrelated to obsessions or compulsions. Two sets of stimulation parameters were evaluated. Using fixed settings at 100 Hz, 40 μs and 300 μA (Set A), we observed elevated freezing and startle levels, whereas stimulation at 130 Hz, 220 μs and individually tailored amplitudes (Set B) appeared to reduce freezing...
February 14, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28159909/organization-of-the-anterior-limb-of-the-internal-capsule-in-the-rat
#18
Veronique Coizet, Sarah R Heilbronner, Carole Carcenac, Philippe Mailly, Julia F Lehman, Marc Savasta, Oivier David, Jean-Michel Deniau, Henk J Groenewegen, Suzanne N Haber
Dysfunction of the orbitofrontal (OFC) and anterior cingulate (ACC) cortices has been linked with several psychiatric disorders, including obsessive-compulsive disorder, major depressive disorder, posttraumatic stress disorder, and addiction. These conditions are also associated with abnormalities in the anterior limb of the internal capsule, the white matter (WM) bundle carrying ascending and descending fibers from the OFC and ACC. Furthermore, deep-brain stimulation (DBS) for psychiatric disorders targets these fibers...
March 8, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28040671/decisional-impulsivity-and-the-associative-limbic-subthalamic-nucleus-in-obsessive-compulsive-disorder-stimulation-and-connectivity
#19
RANDOMIZED CONTROLLED TRIAL
Valerie Voon, Fabien Droux, Laurel Morris, Stephan Chabardes, Thierry Bougerol, Olivier David, Paul Krack, Mircea Polosan
Why do we make hasty decisions for short-term gain? Rapid decision-making with limited accumulation of evidence and delay discounting are forms of decisional impulsivity. The subthalamic nucleus is implicated in inhibitory function but its role in decisional impulsivity is less well-understood. Here we assess decisional impulsivity in subjects with obsessive compulsive disorder who have undergone deep brain stimulation of the limbic and associative subthalamic nucleus. We show that stimulation of the subthalamic nucleus is causally implicated in increasing decisional impulsivity with less accumulation of evidence during probabilistic uncertainty and in enhancing delay discounting...
February 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27994542/the-retrograde-connections-and-anatomical-segregation-of-the-g%C3%A3-ttingen-minipig-nucleus-accumbens
#20
Anders C Meidahl, Dariusz Orlowski, Jens C H Sørensen, Carsten R Bjarkam
Nucleus accumbens (NAcc) has been implicated in several psychiatric disorders such as treatment resistant depression (TRD), and obsessive-compulsive disorder (OCD), and has been an ongoing experimental target for deep brain stimulation (DBS) in both rats and humans. In order to translate basic scientific results from rodents to the human setting a large animal model is needed to thoroughly study the effect of such therapeutic interventions. The aim of the study was, accordingly, to describe the basic anatomy of the Göttingen minipig NAcc and its retrograde connections...
2016: Frontiers in Neuroanatomy
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