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https://www.readbyqxmd.com/read/29161674/deep-brain-stimulation-of-the-subcallosal-cingulate-gyrus-in-patients-with-treatment-resistant-depression-a-double-blinded-randomized-controlled-study-and-long-term-follow-up-in-eight-patients
#1
Angela Merkl, Sabine Aust, Gerd-Helge Schneider, Veerle Visser-Vandewalle, Andreas Horn, Andrea A Kühn, Jens Kuhn, Malek Bajbouj
BACKGROUND: Deep brain stimulation (DBS) of the subcallosal cingulate gyrus (SCG) is an experimental approach in treatment-resistant depression (TRD). Short-term results of efficacy in DBS are incongruent and studies investigating long-term effects are warranted. METHODS: We assessed efficacy of SCG-DBS in eight patients randomized into a delayed-onset group (sham-DBS four weeks) and a non-delayed-onset group. The primary outcome measure was improvement on the Hamilton Depression Rating-Scale (HAMD-24-item-version)...
November 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29152502/target-specific-deep-brain-stimulation-of-the-ventral-capsule-ventral-striatum-for-the-treatment-of-neuropsychiatric-disease
#2
Chencheng Zhang, Dianyou Li, Haiyan Jin, Kristina Zeljic, Bomin Sun
Deep brain stimulation (DBS) is a well-established therapy for Parkinson's disease and other movement disorders. An accumulating body of evidence supports the extension of DBS application for the treatment of refractory psychiatric disorders. The ventral capsule/ventral striatum (VC/VS) is the most common anatomical target for obsessive-compulsive disorder (OCD), addiction, and depression. However, no specific electrode is available for the clinical targeting of these areas for DBS. According to the anatomical features of the VC/VS, a novel electrode was developed for simultaneous and independently programmed stimulation of the nucleus accumbens (NAc) and the anterior limb of the internal capsule (ALIC)...
October 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29146474/a-systematic-review-and-meta-analysis-of-deep-brain-stimulation-in-treatment-resistant-depression
#3
Chanjuan Zhou, Hanping Zhang, Yinhua Qin, Tian Tian, Bing Xu, Jianjun Chen, Xinyu Zhou, Li Zeng, Liang Fang, Xunzhong Qi, Bin Lian, Haiyang Wang, Zicheng Hu, Peng Xie
BACKGROUND: Deep brain stimulation (DBS) has been applied in treatment-resistant depression (TRD) as a putative intervention targeting different brain regions. However, the antidepressant effects of DBS for TRD in recent clinical trials remain controversial. METHODS: We searched Scopus, EMBASE, the Cochrane Library, PubMed, and PsycINFO for all published studies investigating the efficacy of DBS in TRD up to Feb 2017. Hamilton depression rating scale (HDRS) scores and Montgomery-Asberg depression rating scale (MARDS) scores were compared between baseline levels and those after DBS using the standardized mean difference (SMD) with 95% confidence intervals (CIs)...
November 13, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29142796/impact-of-depression-on-hospitalization-and-related-outcomes-for-parkinson-s-disease-patients-a-nationwide-inpatient-sample-based-retrospective-study
#4
Rikinkumar S Patel, Ramkrishna Makani, Zeeshan Mansuri, Upenkumar Patel, Rupak Desai, Amit Chopra
Background Major Depressive Disorder (MDD) is a common comorbidity that significantly affects the quality of life and disease outcomes in Parkinson's disease (PD) patients. No studies have been conducted to our knowledge to address the health care utilization and its outcomes in these patients. The aim of this study is to analyze and discern the differences in the hospitalization outcomes, comorbid conditions, and utilization of procedures in PD patients versus patients with comorbid MDD. Methods We used the Nationwide Inpatient Sample from the Healthcare Cost and Utilization Project from year's 2010-2014...
September 3, 2017: Curēus
https://www.readbyqxmd.com/read/29115994/exploring-venlafaxine-pharmacokinetic-variability-with-a-phenotyping-approach-a-multicentric-french-swiss-study-marvel-study
#5
Célia Lloret-Linares, Youssef Daali, Sylvie Chevret, Isabelle Nieto, Fanny Molière, Philippe Courtet, Florence Galtier, Raphaëlle-Marie Richieri, Sophie Morange, Pierre-Michel Llorca, Wissam El-Hage, Thomas Desmidt, Frédéric Haesebaert, Philippe Vignaud, Jerôme Holtzmann, Jean-Luc Cracowski, Marion Leboyer, Antoine Yrondi, Fabienne Calvas, Liova Yon, Philippe Le Corvoisier, Olivier Doumy, Kyle Heron, Damien Montange, Siamak Davani, Julien Déglon, Marie Besson, Jules Desmeules, Emmanuel Haffen, Frank Bellivier
BACKGROUND: It is well known that the standard doses of a given drug may not have equivalent effects in all patients. To date, the management of depression remains mainly empirical and often poorly evaluated. The development of a personalized medicine in psychiatry may reduce treatment failure, intolerance or resistance, and hence the burden and costs of mood depressive disorders. The Geneva Cocktail Phenotypic approach presents several advantages including the "in vivo" measure of different cytochromes and transporter P-gp activities, their simultaneous determination in a single test, avoiding the influence of variability over time on phenotyping results, the administration of low dose substrates, a limited sampling strategy with an analytical method developed on DBS analysis...
November 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29077140/-deep-brain-stimulation-in-psychiatry
#6
M Figee, C Bervoets, D Denys
BACKGROUND: Deep brain stimulation (DBS) is now used regularly to treat therapy-refractory obsessive-compulsive disorders, and is being applied experimentally for refractory depression, Tourette syndrome, addiction, eating disorders, post-traumatic stress disorder, autism and schizophrenia. AIM: To review the effects and mechanisms of dbs and to consider the future opportunities for this type of treatment in psychiatry. METHOD: We reviewed the literature using PubMed...
2017: Tijdschrift Voor Psychiatrie
https://www.readbyqxmd.com/read/29074339/effect-of-deep-brain-stimulation-of-the-ventromedial-prefrontal-cortex-on-the-noradrenergic-system-in-rats
#7
Sonia Torres-Sanchez, Laura Perez-Caballero, Juan A Mico, Pau Celada, Esther Berrocoso
BACKGROUND: Deep Brain Stimulation (DBS) of the subgenual cingulate cortex (SCC) is a promising therapeutic alternative to treat resistant major depressive disorder. In preclinical studies, DBS of the ventromedial prefrontal cortex (vmPFC, the rodent SCC correlate) provokes an antidepressant-like effect, along with changes in noradrenaline levels at the site of stimulation. Hence, DBS appears to activate the noradrenergic-locus coeruleus (LC) system. OBJECTIVE/HYPOTHESIS: The aim of this study was to evaluate the effect of vmPFC DBS on the electrical activity of noradrenergic LC neurons, cortical oscillations and coherence between both brain areas in male rats...
October 13, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/29034243/improving-surgical-outcome-using-diffusion-tensor-imaging-techniques-in-deep-brain-stimulation
#8
REVIEW
Angela An Qi See, Nicolas Kon Kam King
INTRODUCTION: Recent advances in surgical imaging include the use of diffusion tensor imaging (DTI) in deep brain stimulation (DBS) and provide a detailed view of the white matter tracts and their connections which are not seen with conventional magnetic resonance imaging. Given that the efficacy of DBS depends on the precise and accurate targeting of these circuits, better surgical planning using information obtained from DTI may lead to improved surgical outcome. We aim to review the available literature to evaluate the efficacy of such a strategy...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/29032294/one-year-double-blind-study-of-high-vs-low-frequency-subcallosal-cingulate-stimulation-for-depression
#9
Renana Eitan, Denys Fontaine, Michel Benoît, Caroline Giordana, Nelly Darmon, Zvi Israel, Eduard Linesky, David Arkadir, Shiri Ben-Naim, Moshe Iserlles, Hagai Bergman, Natasha Hulse, Mohamed Abdelghani, Peter McGuffin, Anne Farmer, Peichel DeLea, Keyoumars Ashkan, Bernard Lerer
Subcallosal Brodmann's Area 25 (Cg25) Deep Brain Stimulation (DBS) is a new promising therapy for treatment resistant major depressive disorder (TR-MDD). While different DBS stimulating parameters may have an impact on the efficacy and safety of the therapy, there is no data to support a protocol for optimal stimulation parameters for depression. Here we present a prospective multi-center double-blind randomized crossed-over 13-month study that evaluated the effects of High (130 Hz) vs Low (20 Hz) frequency Cg25 stimulation for nine patients with TR-MDD...
October 3, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29018554/psychiatric-neurosurgery-in-the-21st-century-overview-and-the-growth-of-deep-brain-stimulation
#10
REVIEW
Kenneth Barrett
Ambulatory deep brain stimulation (DBS) became possible in the late 1980s and was initially used to treat people with movement disorders. Trials of DBS in people with treatment-resistant psychiatric disorder began in the late 1990s, initially focusing on obsessive-compulsive disorder, major depressive disorder and Tourette syndrome. Despite methodological issues, including small participant numbers and lack of consensus over brain targets, DBS is now being trialled in a wide range of psychiatric conditions...
October 2017: BJPsych Bulletin
https://www.readbyqxmd.com/read/29017175/body-weight-changes-after-deep-brain-stimulation-for-obsessive-compulsive-disorder-or-depression
#11
Rosalie S N Linssen, Marloes S Oudijn, Mariska Mantione, Pepijn van den Munckhof, Damiaan Denys, P Richard Schuurman
BACKGROUND: In 2010, we published an often-cited case report describing smoking cessation and substantial weight loss after deep brain stimulation (DBS) for obsessive-compulsive disorder (OCD) in an obese patient. To test whether this single observation was also observed in the treated population at large, the weight changes of a larger cohort of patients who underwent DBS for OCD or major depressive disorder (MDD) were studied. RESULTS: Data were available for 46 patients (30 OCD and 16 MDD patients; mean age 46...
2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28988904/subcallosal-cingulate-deep-brain-stimulation-for-treatment-resistant-depression-a-multisite-randomised-sham-controlled-trial
#12
Paul E Holtzheimer, Mustafa M Husain, Sarah H Lisanby, Stephan F Taylor, Louis A Whitworth, Shawn McClintock, Konstantin V Slavin, Joshua Berman, Guy M McKhann, Parag G Patil, Barry R Rittberg, Aviva Abosch, Ananda K Pandurangi, Kathryn L Holloway, Raymond W Lam, Christopher R Honey, Joseph S Neimat, Jaimie M Henderson, Charles DeBattista, Anthony J Rothschild, Julie G Pilitsis, Randall T Espinoza, Georgios Petrides, Alon Y Mogilner, Keith Matthews, DeLea Peichel, Robert E Gross, Clement Hamani, Andres M Lozano, Helen S Mayberg
BACKGROUND: Deep brain stimulation (DBS) of the subcallosal cingulate white matter has shown promise as an intervention for patients with chronic, unremitting depression. To test the safety and efficacy of DBS for treatment-resistant depression, a prospective, randomised, sham-controlled trial was conducted. METHODS: Participants with treatment-resistant depression were implanted with a DBS system targeting bilateral subcallosal cingulate white matter and randomised to 6 months of active or sham DBS, followed by 6 months of open-label subcallosal cingulate DBS...
October 4, 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/28918253/deep-brain-stimulation-of-the-medial-forebrain-bundle-elevates-striatal-dopamine-concentration-without-affecting-spontaneous-or-reward-induced-phasic-release
#13
Marianne Klanker, Matthijs Feenstra, Ingo Willuhn, Damiaan Denys
Deep brain stimulation (DBS) of the medial forebrain bundle (MFB) induces rapid improvement of depressive symptoms in patients suffering from treatment-refractory major depressive disorder (MDD). It has been hypothesized that activation of the dopamine (DA) system contributes to this effect. To investigate whether DBS in the MFB affects DA release in the striatum, we combined DBS with fast-scan cyclic voltammetry (FSCV) in freely moving rats. Animals were implanted with a stimulating electrode at the border of the MFB and the ventral tegmental area, and a FSCV microelectrode in the ventromedial striatum to monitor extracellular DA during the acute onset of DBS and subsequent continued stimulation...
November 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28889128/hemorrhage-detection-and-incidence-during-magnetic-resonance-guided-deep-brain-stimulator-implantations
#14
Alastair J Martin, Philip A Starr, Jill L Ostrem, Paul S Larson
BACKGROUND/AIMS: Intraoperative magnetic resonance imaging (iMRI) is increasingly used to implant deep brain stimulator (DBS) electrodes. The approach has the advantages of a high targeting accuracy, minimization of brain penetrations, and allowance of implantation under general anesthesia. The hemorrhagic complications of iMRI-guided DBS implantation have not been studied in a large series. We report on the incidence and characteristics of hemorrhage during these procedures. METHODS: Hemorrhage incidence was assessed in a series of 231 iMRI procedures (374 electrodes implanted)...
September 9, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28844005/synaptic-potentiation-mediated-by-l-type-voltage-dependent-calcium-channels-mediates-the-antidepressive-effects-of-lateral-habenula-stimulation
#15
Qinji Zhou, Jianyang Dong, Ting Xu, Xiang Cai
Although deep-brain stimulation (DBS) of the lateral habenula (LHb) has been successfully applied to treatment-resistant depression for years, the mechanism is still unclear. Previous researches have demonstrated that LHb-DBS elevates brain monoamine neurotransmitters. However, these changes do not account for the treatment efficacy on treatment-resistant depression, or the rapid behavioral effects in rats; the evidence suggests that altered synaptic potentiation may contribute to the treatment effects. We applied LHb-DBS in a rat model of learned helplessness (LH) and analyzed mammalian target of rapamycin (mTOR) phosphorylation...
August 24, 2017: Neuroscience
https://www.readbyqxmd.com/read/28830666/depression-may-negatively-affect-the-change-in-freezing-of-gait-following-subthalamic-nucleus-stimulation-in-parkinson-s-disease
#16
Ryul Kim, Han-Joon Kim, Aryun Kim, Yoon Kim, Ah-Ro Kim, Chae-Won Shin, Sun Ha Paek, Beomseok Jeon
OBJECTIVE: To assess the influence of preoperative depression on the change in freezing of gait (FOG) following subthalamic nucleus stimulation (STN-DBS) in patients with Parkinson's disease (PD). METHODS: One hundred and twelve PD patients were included who received bilateral STN-DBS. Of these, 33 had no preoperative depression (PD-ND) and the other 79 had preoperative depression (PD-D). Each PD-ND patient was matched with one PD-D patient by the propensity score for which sex, age at PD onset, disease duration, UPDRS-III score during off-medication state, levodopa-equivalent daily dose, and mini mental state examination were the independent variables...
August 10, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28809861/high-frequency-measurement-of-depressive-severity-in-a-patient-treated-for-severe-treatment-resistant-depression-with-deep-brain-stimulation
#17
S Sani, J Busnello, R Kochanski, Y Cohen, R D Gibbons
Although there have been previous studies of deep-brain stimulation (DBS), we present, to our knowledge, the first example of high-frequency depressive severity measurement-based DBS treatment in particular and psychiatric treatment in general. Daily post-surgical e-mail prompts for a period of 6 months resulted in 93 administrations of a computerized adaptive test (CAT) of depression severity (CAT-Depression Inventory or CAT-DI) via the internet. There was an average of 3.37 weekly measurements with an average separation of 2...
August 15, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28781911/deep-brain-stimulation-for-psychiatric-disorders-is-there-an-impact-on-social-functioning
#18
REVIEW
Christian Saleh, Gregor Hasler
BACKGROUND: Deep brain stimulation (DBS) for refractory psychiatric disorders shows promising effects on symptom-reduction, however, little is known regarding the effects of DBS on social outcome. METHODS: A PubMed search based on original studies of DBS for psychiatric disorders [treatment resistant depression (TRD), Gilles de la Tourette's syndrome (GTS), and obsessive compulsive disorder (OCD)] was conducted. Data on social outcome following surgery were extracted and analyzed...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28781093/hair-cortisol-as-a-biological-marker-for-burnout-symptomatology
#19
Marlene Penz, Tobias Stalder, Robert Miller, Vera M Ludwig, Magdalena K Kanthak, Clemens Kirschbaum
Burnout is a syndrome with negative impact on cognitive performance and mood as a consequence of long-term stress at work. It is further associated with increased risk for mental and physical diseases. One potential pathway to mediate chronic work-stress and adverse health conditions in burnout is through alterations in long-term glucocorticoid secretion. Here, we present cross-sectional data on hair cortisol/cortisone (hairF/hairE) concentrations and burnout from a population-based sample of the Dresden Burnout Study (DBS; N=314 hair samples)...
July 23, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28754306/episodic-memory-following-deep-brain-stimulation-of-the-ventral-anterior-limb-of-the-internal-capsule-and-electroconvulsive-therapy
#20
Isidoor O Bergfeld, Mariska Mantione, Mechteld L C Hoogendoorn, Ferdinand Horst, Peter Notten, P Richard Schuurman, Damiaan Denys
BACKGROUND: Electroconvulsive Therapy (ECT) and Deep Brain Stimulation (DBS) are effective treatments for patients with treatment-resistant depression (TRD). However, a common side effect of ECT is autobiographical memory loss (e.g., personal experiences), whereas the impact of DBS on autobiographical memories has never been established. OBJECTIVE: Comparing autobiographical memories following DBS and ECT. METHODS: In two hospitals in The Netherlands, we interviewed 25 TRD patients treated with DBS of the ventral anterior limb of the internal capsule (vALIC), 14 TRD patients treated with ECT and 22 healthy controls (HC) with the Autobiographical Memory Inventory - Short Form (AMI-SF) in a prospective, longitudinal study between March 2010 and August 2016...
July 19, 2017: Brain Stimulation
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