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https://www.readbyqxmd.com/read/28552340/long-term-follow-up-of-bilateral-subthalamic-deep-brain-stimulation-for-refractory-tardive-dystonia
#1
Zheng-Dao Deng, Dian-You Li, Chen-Cheng Zhang, Yi-Xin Pan, Jin Zhang, Haiyan Jin, Kristina Zeljec, Shi-Kun Zhan, Bo-Min Sun
BACKGROUND: No effective treatment for tardive dystonia (TD) has been well established. Deep brain stimulation (DBS) can ameliorate motor manifestations in primary dystonia, and may also be an effective approach for TD. OBJECTIVES: This study aimed to illuminate the long-term efficacy and safety of subthalamic nucleus (STN)-DBS in treating TD. METHODS: Ten patients with refractory TD underwent STN-DBS therapy and were assessed by the Burke-Fahn-Marsden dystonia rating scale (BFMDRS), Abnormal Involuntary Movement Scale (AIMS), Hamilton Depression Scale (HAMD), Hamilton Anxiety Scale (HAMA), and the Short Form (36) Health Survey (SF-36) at four time points: pre-operation, 1 week post-operation, 6 months post-operation, and at a final long-term postsurgical follow-up time point...
May 19, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28528805/acute-response-of-non-motor-symptoms-to-subthalamic-deep-brain-stimulation-in-parkinson-s-disease
#2
Margherita Fabbri, Miguel Coelho, Leonor Correia Guedes, Mario M Rosa, Daisy Abreu, Nilza Gonçalves, Angelo Antonini, Joaquim J Ferreira
BACKGROUND: Subthalamic deep brain stimulation (STN-DBS) is an established treatment for the motor complications of Parkinson's disease (PD) and may have beneficial effects on non-motor symptoms (NMS). However, the acute effect of STN stimulation on NMS has only been explored in small PD cohorts with short post-surgical follow-up. OBJECTIVE: To study NMS response to an acute stimulation challenge in an STN-DBS PD population with a medium/long-term post-surgical follow-up...
May 8, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28496402/cortico-striatal-thalamic-loop-circuits-of-the-orbitofrontal-cortex-promising-therapeutic-targets-in-psychiatric-illness
#3
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/28494345/weight-gain-after-stn-dbs-the-role-of-reward-sensitivity-and-impulsivity
#4
Marilena Aiello, Roberto Eleopra, Francesco Foroni, Sara Rinaldo, Raffaella I Rumiati
Weight gain has been reported after deep brain stimulation of the subthalamic nucleus (STN-DBS), a widely used treatment for Parkinson's disease (PD). This nucleus has been repeatedly found to be linked both to reward and to inhibitory control, two key aspects in the control of food intake. In this study, we assessed whether weight gain experienced by patients with PD after STN-DBS, might be due to an alteration of reward and inhibitory functions. Eighteen patients with PD were compared to eighteen healthy controls and tested three times: before surgery, in ON medication and after surgery, respectively five days after the implantation in ON medication/OFF stimulation and at least three months after surgery in ON medication/ON stimulation...
April 21, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28469875/deep-brain-stimulation-in-the-bed-nucleus-of-the-stria-terminalis-and-medial-forebrain-bundle-in-a-patient-with-major-depressive-disorder-and-anorexia-nervosa
#5
Patric Blomstedt, Matilda Naesström, Owe Bodlund
Deep brain stimulation (DBS) may be considered in severe cases of therapy-refractory major depressive disorder (MDD). However, DBS for MDD is still an experimental therapy. Therefore, it should only be administered in clinical studies driven by multidisciplinary teams, including surgeons with substantial experience of DBS in the treatment of other conditions.
May 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28428905/deep-brain-stimulation-target-selection-in-an-advanced-parkinson-s-disease-patient-with-significant-tremor-and-comorbid-depression
#6
Amar S Patel
CLINICAL VIGNETTE: A 67-year-old female with advanced Parkinson's disease (PD), medically refractory tremor, and a history of significant depression presented for evaluation of deep brain stimulation (DBS) candidacy. CLINICAL DILEMMA: Traditionally, the subthalamic nucleus (STN) has been preferred over the globus pallidus interna (GPi) as a DBS target for PD patients with levodopa-responsive fluctuations in rigidity and akinesia, for whom tremor is also a significant source of impairment...
2017: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/28400200/thalamic-dbs-with-a-constant-current-device-in-essential-tremor-a%C3%A2-controlled-clinical-trial
#7
Robert E Wharen, Michael S Okun, Barton L Guthrie, Ryan J Uitti, Paul Larson, Kelly Foote, Harrison Walker, Frederick J Marshall, Jason Schwalb, Blair Ford, Joseph Jankovic, Richard Simpson, Khashayar Dashtipour, Fenna Phibbs, Joseph S Neimat, R Malcolm Stewart, DeLea Peichel, Rajesh Pahwa, Jill L Ostrem
INTRODUCTION: This study of thalamic deep brain stimulation (DBS) investigated whether a novel constant-current device improves tremor and activities of daily living (ADL) in patients with essential tremor (ET). METHODS: A prospective, controlled, multicenter study was conducted at 12 academic centers. We investigated the safety and efficacy of unilateral and bilateral constant-current DBS of the ventralis intermedius (VIM) nucleus of the thalamus in patients with essential tremor whose tremor was inadequately controlled by medications...
March 30, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28399152/tackling-psychosocial-maladjustment-in-parkinson-s-disease-patients-following-subthalamic-deep-brain-stimulation-a-randomised-clinical-trial
#8
Joao Flores Alves Dos Santos, Sophie Tezenas du Montcel, Marcella Gargiulo, Cecile Behar, Sébastien Montel, Thierry Hergueta, Soledad Navarro, Hayat Belaid, Pauline Cloitre, Carine Karachi, Luc Mallet, Marie-Laure Welter
BACKGROUND: Subthalamic nucleus deep brain stimulation (STN-DBS) is an effective treatment for the motor and non-motor signs of Parkinson's disease (PD), however, psychological disorders and social maladjustment have been reported in about one third of patients after STN-DBS. We propose here a perioperative psychoeducation programme to limit such social and familial disruption. METHODS: Nineteen PD patients and carers were included in a randomised single blind study...
2017: PloS One
https://www.readbyqxmd.com/read/28397839/a-connectomic-approach-for-subcallosal-cingulate-deep-brain-stimulation-surgery-prospective-targeting-in-treatment-resistant-depression
#9
P Riva-Posse, K S Choi, P E Holtzheimer, A L Crowell, S J Garlow, J K Rajendra, C C McIntyre, R E Gross, H S Mayberg
Target identification and contact selection are known contributors to variability in efficacy across different clinical indications of deep brain stimulation surgery. A retrospective analysis of responders to subcallosal cingulate deep brain stimulation (SCC DBS) for depression demonstrated the common impact of the electrical stimulation on a stereotypic connectome of converging white matter bundles (forceps minor, uncinate fasciculus, cingulum and fronto-striatal fibers). To test the utility of a prospective connectomic approach for SCC DBS surgery, this pilot study used the four-bundle tractography 'connectome blueprint' to plan surgical targeting in 11 participants with treatment-resistant depression...
April 11, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28395208/increased-dopamine-receptor-expression-and-anti-depressant-response-following-deep-brain-stimulation-of-the-medial-forebrain-bundle
#10
Manoj P Dandekar, Dustin Luse, Carson Hoffmann, Patrick Cotton, Travis Peery, Christian Ruiz, Caroline Hussey, Vijayasree V Giridharan, Jair C Soares, Joao Quevedo, Albert J Fenoy
BACKGROUND: Among several potential neuroanatomical targets pursued for deep brain stimulation (DBS) for treating those with treatment-resistant depression (TRD), the superolateral-branch of the medial forebrain bundle (MFB) is emerging as a privileged location. We investigated the antidepressant-like phenotypic and chemical changes associated with reward-processing dopaminergic systems in rat brains after MFB-DBS. METHODS: Male Wistar rats were divided into three groups: sham-operated, DBS-Off, and DBS-On...
August 1, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28386221/deep-brain-stimulation-of-the-nucleus-accumbens-core-affects-trait-impulsivity-in-a-baseline-dependent-manner
#11
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/28380672/randomized-clinical-trial-of-deep-brain-stimulation-for-poststroke-pain
#12
Scott F Lempka, Donald A Malone, Bo Hu, Kenneth B Baker, Alexandria Wyant, John G Ozinga, Ela B Plow, Mayur Pandya, Cynthia S Kubu, Paul J Ford, Andre G Machado
OBJECTIVE: The experience with deep brain stimulation (DBS) for pain is largely based on uncontrolled studies targeting the somatosensory pathways, with mixed results. We hypothesized that targeting limbic neural pathways would modulate the affective sphere of pain and alleviate suffering. METHODS: We conducted a prospective, double-blinded, randomized, placebo-controlled, crossover study of DBS targeting the ventral striatum/anterior limb of the internal capsule (VS/ALIC) in 10 patients with poststroke pain syndrome...
May 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28376692/neuroversion-using-electroconvulsive-therapy-as-a-bridge-to-deep-brain-stimulation-implantation
#13
Nolan R Williams, Greg Sahlem, Jaspreet Pannu, Istvan Takacs, Baron Short, Gonzalo Revuelta, Mark S George
Parkinson's disease (PD) is a movement disorder with significant neuropsychiatric comorbidities. Electroconvulsive therapy (ECT) is effective in treating these neuropsychiatric symptoms; however, clinicians are reluctant to use ECT in patients with deep brain stimulation (DBS) implantations for fear of damaging the device, as well as potential cognitive side effects. Right unilateral ultra-brief pulse (RUL UBP) ECT has a more favorable cognitive side-effect profile yet has never been reported in PD patients with DBS implants...
February 2017: Neurocase
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
#14
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/28316564/functional-circuitry-effect-of-ventral-tegmental-area-deep-brain-stimulation-imaging-and-neurochemical-evidence-of-mesocortical-and-mesolimbic-pathway-modulation
#15
Megan L Settell, Paola Testini, Shinho Cho, Jannifer H Lee, Charles D Blaha, Hang J Jo, Kendall H Lee, Hoon-Ki Min
Background: The ventral tegmental area (VTA), containing mesolimbic and mesocortical dopaminergic neurons, is implicated in processes involving reward, addiction, reinforcement, and learning, which are associated with a variety of neuropsychiatric disorders. Electrical stimulation of the VTA or the medial forebrain bundle and its projection target the nucleus accumbens (NAc) is reported to improve depressive symptoms in patients affected by severe, treatment-resistant major depressive disorder (MDD) and depressive-like symptoms in animal models of depression...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28286473/neurocognitive-predictors-of-response-in-treatment-resistant-depression-to-subcallosal-cingulate-gyrus-deep-brain-stimulation
#16
Shane J McInerney, Heather E McNeely, Joseph Geraci, Peter Giacobbe, Sakina J Rizvi, Amanda K Ceniti, Anna Cyriac, Helen S Mayberg, Andres M Lozano, Sidney H Kennedy
Background: Deep brain stimulation (DBS) is a neurosurgical intervention with demonstrated effectiveness for treatment resistant depression (TRD), but longitudinal studies on the stability of cognitive parameters following treatment are limited. The objectives of this study are to (i) identify baseline cognitive predictors of treatment response to subcallosal cingulate gyrus (SCG) DBS for unipolar TRD and (ii) compare neurocognitive performance prior to and 12 months after DBS implantation. Methods: Twenty unipolar TRD patients received SCG DBS for 12 months...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28268777/discriminating-clinical-phases-of-recovery-from-major-depressive-disorder-using-the-dynamics-of-facial-expression
#17
Sahar Harati, Andrea Crowell, Helen Mayberg, Jun Kong, Shamim Nemati
We used several metrics of variability to extract unsupervised features from video recordings of patients before and after deep brain stimulation (DBS) treatment for major depressive disorder (MDD). Our goal was to quantify the treatment effects on facial expressivity. Multiscale entropy (MSE) was used to capture the temporal variability in pixel intensity level at multiple time-scales. A dynamic latent variable model (DLVM) was used to learn a low dimensional (D = 20) set of dynamic factors that explain the observed covariance across the high-dimensional pixels (M = 30 × 30) within each video frame and across time...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28259544/deep-brain-stimulation-to-the-medial-forebrain-bundle-for-depression-long-term-outcomes-and-a-novel-data-analysis-strategy
#18
Bettina H Bewernick, Sarah Kayser, Sabrina M Gippert, Christina Switala, Volker A Coenen, Thomas E Schlaepfer
BACKGROUND: Deep brain stimulation (DBS) of the supero-lateral branch of the medial forebrain bundle (slMFB) in treatment-resistant depression (TRD) is associated with acute antidepressant effects. OBJECTIVE: Long-term clinical effects including changes in quality of life, side effects and cognition as well as long-term data covering four years are assessed. METHODS: Eight TRD patients were treated with DBS bilateral to the slMFB. Primary outcome measure was a 50% reduction in Montgomery-Åsberg Depression Rating Scale (MADRS) (response) and remission (MADRS <10) at 12 months compared to baseline...
May 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28258308/underutilization-of-deep-brain-stimulation-for-parkinson-s-disease-a-survey-on-possible-clinical-reasons
#19
Max Lange, Josef Mauerer, Jürgen Schlaier, Annette Janzen, Florian Zeman, Ulrich Bogdahn, Alexander Brawanski, Andreas Hochreiter
BACKGROUND: Only 10% of the up to 15% of patients with advanced Parkinson's disease (PD) eligible for deep brain stimulation (DBS) are referred to specialized centers. This survey evaluated the reasons for the reluctance of patients and referring physicians regarding DBS. METHODS: Two different questionnaires containing multiple choice and open verbalized questions were developed, one for neurologists and one for patients with PD. The first questionnaire was sent to 87 neurologists in private practice in the catchment area of the authors' medical center, the second to patient support groups in the same region with the help of the German Parkinson Association...
May 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28238701/deep-brain-stimulation-of-the-subcallosal-cingulate-for-treatment-refractory-anorexia-nervosa-1-year-follow-up-of-an-open-label-trial
#20
Nir Lipsman, Eileen Lam, Matthew Volpini, Kalam Sutandar, Richelle Twose, Peter Giacobbe, Devin J Sodums, Gwenn S Smith, D Blake Woodside, Andres M Lozano
BACKGROUND: Anorexia nervosa is a life-threatening illness. Brain circuits believed to drive anorexia nervosa symptoms can be accessed with surgical techniques such as deep brain stimulation (DBS). Initial results suggest that DBS of the subcallosal cingulate is safe and associated with improvements in mood and anxiety. Here, we investigated the safety, clinical, and neuroimaging outcomes of DBS of the subcallosal cingulate in a group of patients during 12 months of active stimulation...
February 23, 2017: Lancet Psychiatry
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