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Obsessive Compulsive

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https://www.readbyqxmd.com/read/28918268/a-structural-mri-study-of-excoriation-skin-picking-disorder-and-its-relationship-to-clinical-severity
#1
Michael D Harries, Samuel R Chamberlain, Sarah A Redden, Brian L Odlaug, Austin W Blum, Jon E Grant
Excoriation (skin-picking) disorder (SPD) shares symptomology with other obsessive-compulsive and related disorders. Few studies, however, have examined the neurological profile of patients with SPD. This study examined differences in cortical thickness and basal ganglia structural volumes between 20 individuals with SPD and 16 healthy controls using magnetic resonance imaging (MRI). There were no significant differences in demographic variables (age, gender, education and race) between groups. All subjects completed a structural MRI scan and completed a battery of clinical assessments focusing on SPD symptom severity, depression and anxiety symptoms, and quality of life...
September 8, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28916503/altered-serotonergic-and-gabaergic-neurotransmission-in-a-mice-model-of-obsessive-compulsive-disorder
#2
Christine Winter, Dana M Greene, Paraskevi Mavrogiorgou, Helge Schaper, Reinhard Sohr, Abel Bult-Ito, Georg Juckel
There is ample evidence that obsessive-compulsive disorder (OCD) is based on reduced serotonergic function. Replicated bidirectional selection for thermoregulatory nest-building behavior in the laboratory house mouse (Mus musculus) resulted in compulsive-like, non-compulsive-like and randomly bred control mice that represent a non-induced animal model of OCD. The present study aimed at investigating the neurochemical patterns in specific brain regions of compulsive-like (HA) versus non-compulsive-like (LA) and normal (CA) mice...
September 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28915380/oxytocin-receptor-gene-polymorphisms-exert-a-modulating-effect-on-the-onset-age-in-patients-with-obsessive-compulsive-disorder
#3
Jee In Kang, Hae Won Kim, Chul Hoon Kim, Eun Hee Hwang, Se Joo Kim
The oxytocin receptor (OXTR) is a potential candidate in the pathophysiology of obsessive-compulsive disorder (OCD). The present study investigated the association between common single-nucleotide polymorphism (SNPs) of the OXTR gene and the affected status of OCD or distinct clinical subtypes of OCD including the age at onset and symptom dimensions. Ten SNPs of OXTR were examined in 615 patients with OCD and 581 healthy controls. Single-marker and haplotype-based association analyses were conducted. While OXTR variants were not associated with the affected status of OCD or its clinical symptom dimensions, rs2268493 (p=0...
September 7, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28911050/motor-abnormalities-from-neurodevelopmental-to-neurodegenerative-through-functional-neuro-psychiatric-disorders
#4
Victor Peralta, Manuel J Cuesta
Background: Motor abnormalities (MAs) of severe mental disorders have been traditionally neglected both in clinical practice and research, although they are an increasing focus of attention because of their clinical and neurobiological relevance. For historical reasons, most of the literature on MAs has been focused to a great extent on schizophrenia, and as a consequence their prevalence and featural properties in other psychiatric or neuropsychiatric disorders are poorly known. In this article, we evaluated the extent to which catatonic, extrapyramidal and neurological soft signs, and their associated clinical features, are present transdiagnostically...
September 1, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28910139/quality-of-life-in-children-and-youth-with-obsessive-compulsive-disorder
#5
Eric A Storch, Brent J Small, Joseph F McGuire, Tanya K Murphy, Sabine Wilhelm, Daniel A Geller
OBJECTIVE: The study examined clinical correlates of quality of life (QoL), impact of treatment on QoL, and predictors of QoL change among children with obsessive-compulsive disorder (OCD). METHODS: One hundred forty-two children with primary OCD who were enrolled as part of a larger clinical trial participated. Children were administered a structured diagnostic interview, as well as clinician-administered measures of OCD and depression symptom severity. Children and parents completed reports of QoL, as well as measures of impairment and internalizing and externalizing symptoms...
September 14, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28904893/surgical-patient-selection-and-counseling
#6
REVIEW
Matt Ziegelmann, Tobias S Köhler, George C Bailey, Tanner Miest, Manaf Alom, Landon Trost
The objectives of patient selection and counseling are ultimately to enhance successful outcomes. However, the definition for success is often narrowly defined in published literature (ability to complete surgery, complications, satisfaction) and fails to account for patient desires and expectations, temporal changes, natural history of underlying diseases, or independent validation. Factors associated with satisfaction and dissatisfaction are often surgery-specific, although correlation with pre-operative expectations, revisions, and complications are common with most procedures...
August 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28904509/peripheral-slc6a4-gene-expression-in-obsessive-compulsive-disorder-in-the-han-chinese-population
#7
Xuemei Wang, Qing Zhao, Wen Chen, Shunying Yu, Zhen Wang, Zeping Xiao
BACKGROUND: Serotonergic system dysfunction has been implicated in obsessive-compulsive disorder (OCD). This study examined peripheral SLC6A4 gene expression in OCD patients and healthy controls to explore the relationship between SLC6A4 and OCD. METHODS: Participants included 50 first episode OCD patients and 60 age and gender-matched healthy controls. Relative SLC6A4 gene expression were examined by real-time quantitative reverse transcription polymerase chain reaction (RT-PCR) in peripheral leukocytes of all the subjects...
June 25, 2017: Shanghai Archives of Psychiatry
https://www.readbyqxmd.com/read/28903922/risk-of-relapse-after-antidepressant-discontinuation-in-anxiety-disorders-obsessive-compulsive-disorder-and-post-traumatic-stress-disorder-systematic-review-and-meta-analysis-of-relapse-prevention-trials
#8
Neeltje M Batelaan, Renske C Bosman, Anna Muntingh, Willemijn D Scholten, Klaas M Huijbregts, Anton J L M van Balkom
Objectives To examine the risk of relapse and time to relapse after discontinuation of antidepressants in patients with anxiety disorder who responded to antidepressants, and to explore whether relapse risk is related to type of anxiety disorder, type of antidepressant, mode of discontinuation, duration of treatment and follow-up, comorbidity, and allowance of psychotherapy.Design Systematic review and meta-analyses of relapse prevention trials.Data sources PubMed, Cochrane, Embase, and clinical trial registers (from inception to July 2016)...
September 13, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28892781/family-accommodation-of-anxiety-symptoms-in-youth-undergoing-intensive-multimodal-treatment-for-anxiety-disorders-and-obsessive-compulsive-disorder-nature-clinical-correlates-and-treatment-response
#9
Valérie La Buissonnière-Ariza, Sophie C Schneider, Davíð Højgaard, Brian C Kay, Bradley C Riemann, Stephanie C Eken, Peter Lake, Joshua M Nadeau, Eric A Storch
BACKGROUND: Family accommodation is associated with a range of clinical features including symptom severity, functional impairment, and treatment response. However, most previous studies in children and adolescents investigated family accommodation in samples of youth with obsessive-compulsive disorder (OCD) or anxiety disorders receiving non-intensive outpatient services. AIMS: In this study, we aimed to investigate family accommodation of anxiety symptoms in a sample of youth with clinical anxiety levels undergoing an intensive multimodal intervention for anxiety disorders or OCD...
August 3, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28890198/crosstalk-between-endoplasmic-reticulum-stress-and-oxidative-stress-in-schizophrenia-the-dawn-of-new-therapeutic-approaches
#10
REVIEW
Shivangi Patel, Dilip Sharma, Kiran Kalia, Vinod Tiwari
Disruption of oxidant/anti-oxidant ratio as well as endoplasmic reticulum (ER) stress are thought to be involved in the pathophysiology of schizophrenia. These stresses can lead to impairments in brain functions progressively leading to neuronal inflammation followed by neuronal cell death. Moreover, the cellular stresses are interlinked leading us to the conclusion that protein misfolding, oxidative stress and apoptosis are intricately intertwined events requiring further research into their mechanistic and physiological pathways...
September 7, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28889251/a-10-year-prospective-longitudinal-study-of-daily-hassles-and-incident-psychopathology-among-adolescents-and-young-adults-interactions-with-gender-perceived-coping-efficacy-and-negative-life-events
#11
Eva Asselmann, Hans-Ulrich Wittchen, Roselind Lieb, Katja Beesdo-Baum
PURPOSE: To prospectively examine whether higher daily hassles predict a variety of incident mental disorders and respective associations vary by gender, age, perceived coping efficacy and number of negative life events. METHODS: Data comes from the Early Developmental Stages of Psychopathology Study (EDSP), a prospective-longitudinal study among adolescents and young adults from the community (n = 2797, aged 14-24 at baseline) followed up in up to 3 assessment waves over 10 years...
September 9, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28888943/melanin-concentrating-hormone-modulates-oxytocin-mediated-marble-burying
#12
Nayna M Sanathara, Celia Garau, Amal Alachkar, Lien Wang, Zhiwei Wang, Katsuhiko Nishimori, Xiangmin Xu, Olivier Civelli
Repetitive and perseverative behaviors are common features of a number of neuropsychiatric diseases such as Angelman's syndrome, Tourette's syndrome, obsessive-compulsive disorder, and autism spectrum disorders. The oxytocin system has been linked to the regulation of repetitive behavior in both animal models and humans, but many of its downstream targets have still to be found. We report that the melanin-concentrating hormone (MCH) system is a target of the oxytocin system in regulating one repetitive behavior, marble burying...
September 6, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28885367/compulsive-skin-picking-behavior-after-deep-brain-stimulation-in-a-patient-with-refractory-obsessive-compulsive-disorder-a-case-report
#13
Chun-Hung Chang, Shin-Yuan Chen, Sheng-Tzung Tsai, Hsin-Chi Tsai
RATIONAL: The therapeutic effect of deep brain stimulation (DBS) for refractory obsessive-compulsive disorder (OCD) has been studied, but complications after this treatment have rarely been noted. PATIENT CONCERNS: A 28-year-old man with treatment-resistant OCD received bilateral ventral capsule/ventral striatum stimulation for 12 months. DIAGNOSIS: Compulsive skin-picking behavior and infection were noted following 12-month DBS treatment...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28885070/the-nepean-belief-scale-preliminary-reliability-and-validity-in-obsessive-compulsive-disorder
#14
Vlasios Brakoulias, Vladan Starcevic, Denise Milicevic, Anthony Hannan, Kirupamani Viswasam, Christopher Brown
OBJECTIVES: To examine the psychometric characteristics of the Nepean Belief Scale (NBS), a short clinician-administered scale that assesses the characteristics and intensity of beliefs in obsessive-compulsive disorder (OCD). METHODS: The NBS was administered by two clinicians to 27 subjects with OCD as part of a larger study that included a comprehensive assessment using the Yale-Brown Obsessive Compulsive Symptom Scale (Y-BOCS), the Overvalued Ideas Scale (OVIS) and the Symptom Checklist 90-Revised (SCL-90R)...
September 8, 2017: International Journal of Psychiatry in Clinical Practice
https://www.readbyqxmd.com/read/28882118/separating-obsessive-compulsive-disorder-from-the-self-a-qualitative-study-of-family-member-perceptions
#15
Rebecca Pedley, Penny Bee, Katherine Berry, Alison Wearden
BACKGROUND: Obsessive-compulsive disorder (OCD) is a condition which can have major effects on the life of both the sufferer and their family members. Previous research has shown that the impact of illness on family members is related to their conceptualisation of the illness. In the present study we used qualitative methods to explore illness perceptions in family members of people with OCD. METHOD: Fourteen family members of people meeting diagnostic criteria for OCD within the previous year took part in a semi-structured interview...
September 7, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28881483/meta-analysis-risk-of-hyperhidrosis-with-second-generation-antidepressants
#16
Chad Beyer, Kiley Cappetta, Jessica A Johnson, Michael H Bloch
BACKGROUND: Our goal was to quantify the risk of hyperhidrosis associated with commonly used antidepressant agents and examine the impact of medication class, pharmacodynamics, and dose on risk of hyperhidrosis. METHODS: We conducted a PubMed search to identify all double-blind, randomized, placebo-controlled trials examining the efficacy of second-generation antidepressant medications in the treatment of adults with a depressive disorder, anxiety disorders, or obsessive-compulsive disorder...
September 7, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28881220/executive-function-predicts-cognitive-behavioral-therapy-response-in-childhood-obsessive-compulsive-disorder
#17
Katja Anna Hybel, Erik Lykke Mortensen, Rikke Lambek, Davíð R M A Højgaard, Per Hove Thomsen
Cognitive-behavioral therapy (CBT) is considered first-line treatment for childhood obsessive-compulsive disorder (OCD). Despite CBT's efficacy, too many children and adolescents do not fully respond to treatment, making the identification of predictors of treatment response highly relevant. Executive functions (EF) have been suggested to constitute such predictors, but studies with pediatric samples are scarce. In the present study, we investigated latent level EF test performance and ratings of daily life EF behavior as predictors of CBT response in pediatric OCD...
August 26, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28872637/mechanisms-of-cognitive-behavioral-therapy-for-obsessive-compulsive-disorder-involve-robust-and-extensive-increases-in-brain-network-connectivity
#18
T D Moody, F Morfini, G Cheng, C Sheen, R Tadayonnejad, N Reggente, J O'Neill, J D Feusner
Cognitive-behavioral therapy (CBT) is effective for obsessive compulsive disorder (OCD); however, little is understood about its mechanisms related to brain network connectivity. We examined connectivity changes from resting-state functional magnetic resonance imaging data pre-to-post-CBT in 43 OCD participants, randomized to receive either 4 weeks of intensive CBT or 4 weeks waitlist followed by 4 weeks of CBT, and 24 healthy controls before and after 4 weeks of no treatment. Network-based-statistic analysis revealed large-magnitude increases in OCD connectivity in eight networks...
September 5, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28870689/tics-and-obsessive-compulsive-disorder-in-relation-to-diet-two-case-reports
#19
M Briguglio, B Dell'Osso, R Galentino, C Zanaboni Dina, G Banfi, M Porta
No abstract text is available yet for this article.
September 1, 2017: L'Encéphale
https://www.readbyqxmd.com/read/28867407/childhood-adversities-and-clinical-symptomatology-in-first-episode-psychosis
#20
Maija Lindgren, Teemu Mäntylä, Eva Rikandi, Minna Torniainen-Holm, Isabel Morales-Muñoz, Tuula Kieseppä, Outi Mantere, Jaana Suvisaari
In addition to severe traumatic experiences, milder, more common childhood adversities reflecting psychosocial burden may also be common in people with psychotic disorders and have an effect on symptomatology and functioning. We explored eleven negative childhood experiences and their influence on clinical symptoms among young adults with first-episode psychosis (FEP, n = 75) and matched population controls (n = 51). Individuals with FEP reported more adversities than controls. Specifically serious conflicts within the family, bullying at school, maternal mental health problems, and one's own and parents' serious illness during childhood were experienced by the patients more often than by controls...
August 26, 2017: Psychiatry Research
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