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Psychiatric Epidemiology

Hilde de Kluiver, Jacobine E Buizer-Voskamp, Conor V Dolan, Dorret I Boomsma
We review the hypotheses concerning the association between the paternal age at childbearing and childhood psychiatric disorders (autism spectrum- and attention deficit/hyperactive disorder) and adult disorders (schizophrenia, bipolar-, obsessive-compulsive-, and major depressive disorder) based on epidemiological studies. Several hypotheses have been proposed to explain the paternal age effect. We discuss the four main-not mutually exclusive-hypotheses. These are the de novo mutation hypothesis, the hypothesis concerning epigenetic alterations, the selection into late fatherhood hypothesis, and the environmental resource hypothesis...
October 22, 2016: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
Eva Lassemo, Inger Sandanger, Jan F Nygård, Knut W Sørgaard
PURPOSE: The prevalence of PTSD differs by gender. Pre-existing psychiatric disorders and different traumas experienced by men and women may explain this. The aims of this study were to assess (1) incidence and prevalence of exposure to traumatic events and PTSD, (2) the effect of pre-existing psychiatric disorders prior to trauma on the risk for PTSD, and (3) the effect the characteristics of trauma have on the risk for PTSD. All stratified by gender. METHOD: CIDI was used to obtain diagnoses at the interview stage and retrospectively for the general population N = 1634...
October 18, 2016: Social Psychiatry and Psychiatric Epidemiology
Francis Mawanda, Robert B Wallace, Kimberly McCoy, Thad E Abrams
INTRODUCTION: Emerging evidence indicates associations between extra-central nervous system (CNS) bacterial infections and an increased risk for dementia; however, epidemiological evidence is still very limited. METHODS: This study involved a retrospective cohort of a national sample of US veterans (N = 417,172) aged ≥56 years. Extended Cox proportional hazard models adjusted for demographic characteristics and medical and psychiatric comorbidities determined the associations between systemic and localized extra-CNS bacterial infections occurring >2 years before the initial dementia diagnosis and the risk for dementia...
2016: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Ian R Gizer
Epidemiologic studies demonstrating high rates of co-occurrence among psychiatric disorders at the population level have contributed to large literatures focused on identifying the causal mechanisms underlying the patterns of co-occurrence among these disorders. Such efforts have long represented a core focus of developmental psychopathologists and have more recently been supported by the Research Domain Criteria initiative developed by the NIMH, which provides a further framework for how the hypothesized mechanisms can be studied at different levels of analysis...
November 2016: Development and Psychopathology
Carol S North
Worldwide, disasters are increasing in frequency and severity. Mental health consequences of disasters are extensive, and knowledge of anticipated mental health effects is needed for effective disaster response. Difficulties inherent in conducting disaster research have limited the understanding of research findings. This article presents and interprets disaster mental health research findings in the context of research methods. A brief history of the disaster mental health research field is provided, and the presentation of findings is ordered into topical areas of disaster mental health consequences and timing and prediction of mental health outcomes...
2016: Psychiatry
Craig N Sawchuk, Peter Roy-Byrne, Carolyn Noonan, Julia R Craner, Jack Goldberg, Spero Manson, Dedra Buchwald
Panic disorder is a common mental health condition, but little is known about panic disorder in non-Caucasian populations. The purpose of this study is to describe the epidemiology, clinical features, and comorbidities of panic attacks and panic disorder in two large American Indian (AI) tribes (N=3084). A culturally-adapted version of the Composite International Diagnostic Interview assessed panic attacks, panic disorder, and various psychiatric comorbidities. After adjusting for age, gender, and tribe, linear and logistic regression analyses were conducted to compare AIs with panic disorder to those with panic attacks only on clinical characteristics and panic symptoms...
October 5, 2016: Journal of Anxiety Disorders
Marta Martin-Subero, Crisanto Diez-Quevedo
This paper aims to review the epidemiology and management of mental disorders in human immunodeficiency virus (HIV)/hepatitis C virus (HCV) coinfected patients, the need for antiviral therapy in this specific population, and current treatment strategies for HIV/HCV patients with psychiatric and/or substance use disorders. This is a narrative review. Data was sourced from electronic databases and was not limited by language or date of publication. HIV infection has become a survivable chronic illness. Prevalence of HCV infection among HIV-infected patients is high ranging from 50% to 90%...
September 26, 2016: Psychiatry Research
Andrea Murru, Bernardo Carpiniello
The first psychotic episode is classically viewed as a critical period which management is important in determining the long-term outcome of the schizophrenia (SCZ). For this reason, the duration of untreated illness (DUI), defined as the interval between the onset of the psychiatric disorder and the administration of the first pharmacological treatment, is a clinical variable that has been increasingly investigated due to its potentially modifiable nature and its value as a predictor of outcome. DUI is poorly applicable and highly unreliable in psychosis...
October 4, 2016: Neuroscience Letters
Robin M Murray, Harriet Quigley, Diego Quattrone, Amir Englund, Marta Di Forti
Epidemiological evidence demonstrates that cannabis use is associated with an increased risk of psychotic outcomes, and confirms a dose-response relationship between the level of use and the risk of later psychosis. High-potency cannabis and synthetic cannabinoids carry the greatest risk. Experimental administration of tetrahydrocannabinol, the active ingredient of cannabis, induces transient psychosis in normal subjects, but this effect can be ameliorated by co-administration of cannabidiol. This latter is a constituent of traditional hashish, but is largely absent from modern high-potency forms of cannabis...
October 2016: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
Christoph Sulyok, Petra Weiland-Fiedler, Sarah Schwehla, Vera Pfersmann
BACKGROUND: Since June 1st, 2014 the use of cage beds, a physical coercive measure in psychiatric wards, is forbidden by Austrian law. The 3rd Psychiatric Department at the Otto Wagner Hospital in Vienna carried out a pilot-study prior to the application of this law and compared 6 months with and 6 months without the use of cage beds in psychiatric acute treatment. The investigation focused on the use of mechanical restraints, especially of 4-point-restraints at admission time. METHODS: The study collected clinical and epidemiological data from the patients and analyzed interviews taken with patients and staff-members after the use of coercive measures...
September 2016: Neuropsychiatrie: Klinik, Diagnostik, Therapie und Rehabilitation
Judith Harbertson, Braden R Hale, Nelson L Michael, Paul T Scott
BACKGROUND: Depression and post-traumatic stress disorder (PTSD) are significant risks for suicide and other adverse events among US military personnel, but prevalence data among ship-assigned personnel at the onset of deployment are unknown. AIMS: To determine the prevalence of shipboard personnel who screen positive for PTSD and/or major depressive disorder (MDD) at the onset of deployment, and also those who reported these diagnoses made by a physician or healthcare professional in the year prior to deployment...
September 2016: BJPsych Open
K Maasalo, T Fontell, J Wessman, E T Aronen
BACKGROUND: Few studies have examined the associations between sleep, mood and behaviour in young children in the early stages of developing psychopathology. The purpose here was to examine the association of emotional problems, especially mood, with family and child characteristics, sleep and behavioural problems in 4-12 year-old children. METHODS: The sample was population-based and included 1714 children. Parents filled in the Strengths and Difficulties Questionnaire and a background questionnaire on child and family characteristics...
2016: Child and Adolescent Psychiatry and Mental Health
Byung Soo Kim, Sung Man Chang, Su Jeong Seong, Jee Eun Park, Subin Park, Jin Pyo Hong, Jae Nam Bae, Seong Jin Cho, Bong Jin Hahm, Dong Woo Lee, Jong Ik Park, Jun Young Lee, Hong Jin Jeon, Maeng Je Cho
Many epidemiological studies suggest that overweight is associated with an elevated risk of psychiatric disorders and suicidal tendency. However, findings vary across studies, and some have contradictory results. We investigated the relationship of overweight with a range of psychiatric disorders and suicidality in the Korean general population. A multistage cluster sampling design was adopted. A total of 6,022 participants aged 18-74 years completed face-to-face interviews (response rate: 78.7%) including assessment of psychiatric disorders, suicidality, and height and weight...
November 2016: Journal of Korean Medical Science
D Peleg-Raibstein, G Sarker, K Litwan, S D Krämer, S M Ametamey, R Schibli, C Wolfrum
Epidemiological studies have shown an association between maternal overnutrition and increased risk of the progeny for the development of obesity as well as psychiatric disorders. Animal studies have shown results regarding maternal high-fat diet (HFD) and a greater risk of the offspring to develop obesity. However, it still remains unknown whether maternal HFD can program the central reward system in such a way that it will imprint long-term changes that will predispose the offspring to addictive-like behaviors that may lead to obesity...
October 4, 2016: Translational Psychiatry
Madhavi K Reddy, Thomas D Meyer, Natalie M Wittlin, Ivan W Miller, Lauren M Weinstock
BACKGROUND: According to data from epidemiological and clinical samples, there are elevated rates of posttraumatic stress disorder (PTSD) among patients with bipolar disorder (BD). However, little is known about the clinical correlates that may distinguish patients with BD and comorbid PTSD from those without comorbid PTSD. The present study sought to elucidate those differences and examine factors, such as psychosis, history of suicide attempts, and comorbid personality disorders, which may predict comorbid PTSD in patients with BD-I...
August 18, 2016: Comprehensive Psychiatry
Tom Rosenström, Markus Jokela
BACKGROUND: Diagnostic definitions for depressive disorders remain a debated topic, despite their central role in clinical practice and research. We use both recent evidence and nationally representative data to derive an empirically-based modification of DSM-IV/-5 Major Depressive Disorder (MDD). METHOD: A modified MDD diagnosis was derived by analyzing data from Collaborative Psychiatric Epidemiology Surveys, a multistage probability sample of adults (n=20 013; age ≥ 18 years) in coterminous USA, Alaska and Hawaii...
September 20, 2016: Journal of Affective Disorders
Ulrich Sauerzopf, Roberto Sacco, Gaia Novarino, Marco Niello, Ana Weidenauer, Nicole Praschak-Rieder, Harald Sitte, Matthäus Willeit
Since 2006, reprogrammed cells have increasingly been used as a biomedical research technique in addition to neuro-psychiatric methods. These rapidly evolving techniques allow for the generation of neuronal sub-populations, and have sparked interest not only in monogenetic neuro-psychiatric diseases, but also in poly-genetic and poly-etiological disorders such as schizophrenia (SCZ) and bipolar disorder (BPD). This review provides a summary of 19 publications on reprogrammed adult somatic cells derived from patients with SCZ, and 5 publications using this technique in patients with BPD...
September 30, 2016: European Journal of Neuroscience
Ruth Ann Marrie, Scott B Patten, Jamie Greenfield, Lawrence W Svenson, Nathalie Jette, Helen Tremlett, Christina Wolfson, Sharon Warren, Joanne Profetto-McGrath, John D Fisk, James Blanchard, Patricia Caetano, Lawrence Elliott, Bo Nancy Yu, Virender Bhan, Larry Svenson
BACKGROUND: Risk factors for psychiatric comorbidity in multiple sclerosis (MS) are poorly understood. OBJECTIVE: We evaluated the association between physical comorbidity and incident depression, anxiety disorder, and bipolar disorder in a MS population relative to a matched general population cohort. METHODS: Using population-based administrative data from Alberta, Canada we identified 9624 persons with MS, and 41,194 matches. Using validated case definitions, we estimated the incidence of depression, anxiety disorder, and bipolar disorder, and their association with physical comorbidities using Cox regression, adjusting for age, sex, socioeconomic status, and index year...
September 2016: Brain and Behavior
Andrea G Edlow
There is a growing body of evidence from both human epidemiologic and animal studies that prenatal and lactational exposure to maternal obesity and high-fat diet are associated with neurodevelopmental and psychiatric disorders in offspring. These disorders include cognitive impairment, autism spectrum disorders, attention deficit hyperactivity disorder, cerebral palsy, anxiety and depression, schizophrenia, and eating disorders. This review synthesizes human and animal data linking maternal obesity and high-fat diet consumption to abnormal fetal brain development and neurodevelopmental and psychiatric morbidity in offspring...
September 29, 2016: Prenatal Diagnosis
X Chen, Y Zhao, Y Xu, H W Zhang, S H Sun, Z D Gao, X X He
Objective: To investigate the prevalence of depression and anxiety and the related factors among new registered tuberculosis (TB) outpatients. Methods: Questionnaire survey was conducted in 1 105 new registered TB patients from sixteen districts of Beijing city during Jan to Jun, 2015. Structured self-administered questionnaire including gender, age, education, occupation, history of smoking and drinking information was designed by epidemiological and psychiatric experts from Beijing Research Institute for Tuberculosis Control...
September 13, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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