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https://www.readbyqxmd.com/read/28322166/glutamate-modulating-drugs-as-a-potential-therapeutic-strategy-in-obsessive-compulsive-disorder
#1
Zoya Marinova, De-Maw Chuang, Naomi Fineberg
OBJECTIVE: Obsessive-compulsive disorder (OCD) is a mental disease commonly associated with severe distress and impairment of social functioning. Serotonin reuptake inhibitors and/or cognitive behavioural therapy are the therapy of choice, however up to 40% of patients do not respond to treatment. Glutamatergic signalling has also been implicated in OCD. The aim of the current study was to review the clinical evidence for therapeutic utility of glutamate-modulating drugs as an augmentation or monotherapy in OCD patients...
March 20, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28321431/osteochondritis-dissecans-of-the-humeral-capitellum-in-young-athletes-comparison-between-baseball-players-and-gymnasts
#2
Shiro Kajiyama, Satoshi Muroi, Hiroyuki Sugaya, Norimasa Takahashi, Keisuke Matsuki, Nobuaki Kawai, Makoto Osaki
BACKGROUND: Osteochondritis dissecans (OCD) lesions are often observed in the humeral capitellum both in young baseball players and gymnasts. It is generally believed that capitellar OCD in baseball players can be seen on an anteroposterior (AP) radiograph with the elbow in 45° of flexion. However, the mechanism of injury seems to be different in baseball players and gymnasts. Repetitive valgus overload with the elbow in flexion is believed to be the cause of capitellar OCD lesions in baseball players, whereas weightbearing with the elbow in extension may be the cause of OCD in gymnasts...
March 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28321149/family-and-friendship-networks-and-obsessive-compulsive-disorder-among-african-americans-and-black-caribbeans
#3
Joseph A Himle, Robert Joseph Taylor, Ann W Nguyen, Monnica T Williams, Karen D Lincoln, Harry Owen Taylor, Linda M Chatters
Although there is a large literature on the influence of social support on mental health there is limited research on social support and OCD. This is especially the case for African Americans and Black Caribbeans. This study examines the relationship between family and friendship networks and the prevalence of OCD. The analysis is based on the National Survey of American Life a nationally representative sample of African Americans and Black Caribbeans. Variables included frequency of contact with family and friends, subjective closeness with family and friends, and negative interactions (conflict, criticisms) with family members...
March 2017: Behavior Therapist
https://www.readbyqxmd.com/read/28320524/seasonally-related-effects-on-natural-organic-matter-characteristics-from-source-to-tap-in-korea
#4
S H So, I H Choi, H C Kim, S K Maeng
In this study, natural organic matter (NOM) characteristics were investigated over three years of monthly monitoring to determine the effect of seasonal variations on NOM levels from source to tap. Liquid chromatography with organic carbon detection (LC-OCD) was used to determine NOM characteristics and the level of reduction of biodegradable dissolved organic carbon (BDOC). The average dissolved organic matter concentration in the source water (Lake Paldang, Korea) was not significantly different between summer and winter...
March 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28320191/c9orf72-hexanucleotide-repeat-expansions-are-not-a-common-cause-of-obsessive-compulsive-disorder
#5
Karissa C Arthur, Alberto M Rivera, Jack Samuels, Ying Wang, Marco Grados, Fernando S Goes, Brion Maher, Gerald Nestadt, Bryan J Traynor
Obsessive-compulsive disorder (OCD) is a polygenic neuropsychiatric disorder characterized by repetitive thoughts and behaviors that cause distress. The pathogenic repeat expansion [GGGGCC]n found at the C9orf72 locus is the most common cause of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD), and has also been documented in patients with psychosis and schizophrenia. Furthermore, obsessions and compulsions have been identified in patients diagnosed with ALS and/or FTD and carrying the pathogenic repeat expansion...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28319785/the-long-and-complex-road-in-the-search-for-treatment-for-mental-disorders-an-analysis-of-the-process-in-five-groups-of-patients
#6
Gema Del Valle, Amparo Belloch, Carmen Carrió
Seeking treatment for mental-health problems is a complex process, with different underlying motives in each stage. However, the entire process and these motives have hardly been investigated. This study aims to analyze the different stages of the help-seeking process and their underlying motives in five groups of patients with different mental disorders. In all, 156 patients seeking treatment in outpatient mental health clinics were individually interviewed: 71 had Obsessive-Compulsive Disorder (OCD), 21 had Agoraphobia (AGO), 18 had Major Depressive Disorder (MDD), 20 had Anorexia Nervosa (AN), and 22 had Cocaine Dependence (COC)...
March 15, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28302189/temporal-dynamics-of-rituals-in-obsessive-compulsive-disorder
#7
Robert W Bond, Stephen J Guastello, Andrea D Guastello
Obsessive-compulsive disorder (OCD) is characterized by obsessions, defined as intrusive and persistent thoughts, and compulsions, defined as repetitive ritualistic behaviors that attempt to neutralize the anxiety associated with the obsessions. The present study investigated the patterns of symptoms as they occur over time in order to generate new insights about the triggers to symptoms. Fourteen adult participants who met the DSM-5 criteria for OCD completed 7-day logbooks of daily activities including the times when they engaged in compulsive rituals...
April 2017: Nonlinear Dynamics, Psychology, and Life Sciences
https://www.readbyqxmd.com/read/28300946/kraepelin-s-views-on-obsessive-neurosis-a-comparison-with-dsm-5-criteria-for-obsessive-compulsive-disorder
#8
Holger Steinberg, Dirk Carius, Leonardo F Fontenelle
Emil Kraepelin (1856-1926) is considered one of the founders of modern psychiatric nosology. However, his conceptualization of obsessive-compulsive phenomena is relatively understudied. In this article, we compare and contrast excerpts from the eighth edition (1909-1915) of Kraepelin's Textbook of Clinical Psychiatry focusing on what Kraepelin called "obsessive neurosis" and related "original pathological conditions" with the current DSM-5 criteria for obsessive-compulsive disorder (OCD). Consistently with DSM-5 OCD, Kraepelin described obsessive neurosis as characterized by obsessive ideas, compulsive acts, or both together...
March 13, 2017: Revista Brasileira de Psiquiatria
https://www.readbyqxmd.com/read/28300008/prevalence-of-suicide-attempt-and-clinical-characteristics-of-suicide-attempters-with-obsessive-compulsive-disorder-a-report-from-the-international-college-of-obsessive-compulsive-spectrum-disorders-icocs
#9
Bernardo Dell'Osso, Beatrice Benatti, Chiara Arici, Carlotta Palazzo, A Carlo Altamura, Eric Hollander, Naomi Fineberg, Dan J Stein, Humberto Nicolini, Nuria Lanzagorta, Donatella Marazziti, Stefano Pallanti, Michael van Ameringen, Christine Lochner, Oguz Karamustafalioglu, Luchezar Hranov, Martijn Figee, Lynne Drummond, Carolyn I Rodriguez, John Grant, Damiaan Denys, Jose M Menchon, Joseph Zohar
OBJECTIVE: Obsessive-compulsive disorder (OCD) is associated with variable risk of suicide and prevalence of suicide attempt (SA). The present study aimed to assess the prevalence of SA and associated sociodemographic and clinical features in a large international sample of OCD patients. METHODS: A total of 425 OCD outpatients, recruited through the International College of Obsessive-Compulsive Spectrum Disorders (ICOCS) network, were assessed and categorized in groups with or without a history of SA, and their sociodemographic and clinical features compared through Pearson's chi-squared and t tests...
March 16, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28291264/abnormal-white-matter-structural-connectivity-in-adults-with-obsessive-compulsive-disorder
#10
J Gan, M Zhong, J Fan, W Liu, C Niu, S Cai, L Zou, Ya Wang, Yi Wang, C Tan, R C K Chan, X Zhu
Obsessive-compulsive disorder (OCD) is a complex and severe psychiatric disorder whose pathogenesis is not fully understood. Recent studies have shown white matter (WM) alterations in adults with OCD, but the results have been inconsistent. The present study investigated WM structure in OCD patients with the hypothesis that large-scale brain networks may be disrupted in OCD. A total of 24 patients with OCD and 23 healthy controls (HCs) were scanned with diffusion tensor imaging. A tract-based spatial statistics (TBSS) approach was used to detect differences across the whole brain in patients with OCD vs HCs; post hoc fiber tractography was applied to characterize developmental differences between the two groups...
March 14, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28287615/patterns-of-default-mode-network-deactivation-in-obsessive-compulsive-disorder
#11
Óscar F Gonçalves, José Miguel Soares, Sandra Carvalho, Jorge Leite, Ana Ganho-Ávila, Ana Fernandes-Gonçalves, Fernando Pocinho, Angel Carracedo, Adriana Sampaio
The objective of the present study was to research the patterns of Default Mode Network (DMN) deactivation in Obsessive Compulsive Disorder (OCD) in the transition between a resting and a non-rest emotional condition. Twenty-seven participants, 15 diagnosed with OCD and 12 healthy controls (HC), underwent a functional neuroimaging paradigm in which DMN brain activation in a resting condition was contrasted with activity during a non-rest condition consisting in the presentation of emotionally pleasant and unpleasant images...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28287064/concentrated-erp-delivered-in-a-group-setting-a-replication-study
#12
Audun Havnen, Bjarne Hansen, Lars-Göran Öst, Gerd Kvale
BACKGROUND: In a previous effectiveness study (Havnen et al., 2014), 35 obsessive compulsive disorder (OCD) patients underwent Concentrated Exposure Treatment (cET), which is a newly developed group treatment format delivered over four consecutive days. AIMS: The primary aims of the present study were to evaluate the treatment results for a new sample of OCD patients receiving the cET treatment approach and to replicate the effectiveness study described in Havnen et al...
March 13, 2017: Behavioural and Cognitive Psychotherapy
https://www.readbyqxmd.com/read/28285250/reversal-learning-in-patients-with-obsessive-compulsive-disorder-ocd-and-their-unaffected-relatives-is-orbitofrontal-dysfunction-an-endophenotype-of-ocd
#13
Didem Tezcan, Selim Tumkaya, Emre Bora
It has been suggested that reversal learning deficits might be an endophenotype of OCD. To investigate this hypothesis, we administered a probabilistic reversal learning task (ProbRev) to OCD patients, their unaffected first-degree relatives, and healthy controls. Although the relatives had a performance in between OCDs and controls at the early phase of the ProbRev, their performance was similar to controls and was significantly better than OCD patients at the later stages of the test. Our findings imply that reversal learning impairment might be partly a trait-related feature of OCD but state-related factors can also contribute to observed deficits...
March 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28282536/age-at-symptom-onset-is-not-associated-with-reduced-action-cancelation-in-adults-with-obsessive-compulsive-disorder
#14
Hui Lei, Mingtian Zhong, Jie Fan, Xiaocui Zhang, Lin Cai, Xiongzhao Zhu
The aim of the current study was to examine the association between age at symptom onset and action cancelation in adults with obsessive-compulsive disorder (OCD). Performance on the stop-signal task was compared among adult patients with early-onset OCD (n=63, onset age ≤19), late-onset OCD (n=33, onset age ≥20), and healthy controls (n=51). Stop-signal reaction time (SSRT) was significantly longer in both OCD groups compared to the control group. However, no significant differences were found between the two OCD groups...
March 2, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28281020/restricted-repetitive-behaviors-in-autism-spectrum-disorder-and-obsessive-compulsive-disorder-a-comparative-review
#15
Marina Jiujias, Elizabeth Kelley, Layla Hall
This review paper critically examines literature regarding restricted and repetitive behaviors (RRBs) in Autism Spectrum Disorder (ASD) and Obsessive-Compulsive Disorder (OCD). The similar behavioral profiles of these disorders presents the potential for confusion regarding diagnoses and intervention efforts. As such, this review highlights the similarities and differences between RRBs in ASD and OCD. The developmental trajectories of RRBs are presented, followed by an exploration of three constructs implicated in RRB manifestation: anxiety, executive functioning, and sensory phenomena...
March 9, 2017: Child Psychiatry and Human Development
https://www.readbyqxmd.com/read/28280342/quality-of-life-in-children-and-adolescents-with-obsessive-compulsive-disorder-a-systematic-review-and-meta-analysis
#16
Anna Coluccia, Fabio Ferretti, Andrea Fagiolini, Andrea Pozza
Obsessive-compulsive disorder (OCD) is a seriously impairing psychiatric condition that affects 1%-3% of youth. Investigating the quality of life (QOL) is an important issue for treatment planning of this disorder, as targeting symptoms without taking it into account may bias assessment and prognosis when the patient presents with reduced symptoms that do not correspond to improved QOL. However, QOL in young individuals with OCD has been understudied. This meta-analysis summarized current evidence that assessed differences in global, social and school QOL dimensions, between children/adolescents with OCD and screened controls...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28279877/a-model-based-analysis-of-decision-making-under-risk-in-obsessive-compulsive-and-hoarding-disorders
#17
Gabriel J Aranovich, Daniel R Cavagnaro, Mark A Pitt, Jay I Myung, Carol A Mathews
Attitudes towards risk are highly consequential in clinical disorders thought to be prone to "risky behavior", such as substance dependence, as well as those commonly associated with excessive risk aversion, such as obsessive-compulsive disorder (OCD) and hoarding disorder (HD). Moreover, it has recently been suggested that attitudes towards risk may serve as a behavioral biomarker for OCD. We investigated the risk preferences of participants with OCD and HD using a novel adaptive task and a quantitative model from behavioral economics that decomposes risk preferences into outcome sensitivity and probability sensitivity...
February 21, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28277734/death-anxiety-and-its-relationship-with-obsessive-compulsive-disorder
#18
Rachel E Menzies, Ilan Dar-Nimrod
The studies presented in this article explored the relevance of death fears to Obsessive Compulsive Disorder (OCD). In Study 1, the relationships between death anxiety and a variety of markers of psychopathology were examined in 171 treatment-seeking participants with OCD. Moderate to large correlations between Collett-Lester Fear of Death scale scores, taken at initial assessment, and clinical ratings of OCD severity, number of hospitalizations, number of medications, and total number of lifetime anxiety-related diagnoses identified in structured diagnostic interviews were obtained...
March 9, 2017: Journal of Abnormal Psychology
https://www.readbyqxmd.com/read/28273489/difficulties-in-emotion-regulation-mediate-negative-and-positive-affects-and-craving-in-alcoholic-patients
#19
Vahid Khosravani, Farangis Sharifi Bastan, Fatemeh Ghorbani, Zoleikha Kamali
The aim of this study was to assess the mediating effects of difficulties in emotion regulation (DER) on the relations of negative and positive affects to craving in alcoholic patients. 205 treatment-seeking alcoholic outpatients were included. DER, positive and negative affects as well as craving were evaluated by the Difficulties in Emotion Regulation Scale (DERS), the Positive/Negative Affect Scales, and the Obsessive Compulsive Drinking Scale (OCDS) respectively. Clinical factors including depression and severity of alcohol dependence were investigated by the Alcohol Use Disorders Identification Test (AUDIT) and the Beck Depression Inventory-II (BDI-II) respectively...
March 2, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28271091/osteochondritis-dissecans-of-the-humeral-head-a-case-report-and-review-of-the-literature
#20
Davod Jafari, Hooman Shariatzadeh, Farid Najd Mazhar, Mohammad Ali Okhovatpour, Mehran Razavipour
Osteochondritis dissecans (OCD) is a common joint disorder in knee, ankle and elbow, however it can be rarely found in glenohumeral joint. In this study, we report an asymptomatic case of humeral head OCD, which was detected incidentally following a trauma. X-rays showed an area of lucency around an oval bony fragment measuring about 1 cm on the superior aspect of the humeral head. However, the patient was pain-free and the shoulder range of motion was normal.
January 2017: Archives of Bone and Joint Surgery
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