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https://www.readbyqxmd.com/read/29353101/amyloid-pathology-in-the-progression-to-mild-cognitive-impairment
#1
Philip S Insel, Oskar Hansson, R Scott Mackin, Michael Weiner, Niklas Mattsson
The objective of this study was to determine the cognitive and functional decline and development of brain injury in individuals progressing from preclinical (β-amyloid positive cognitively normal) to prodromal Alzheimer's disease (AD) (β-amyloid positive mild cognitive impairment [MCI]), and compare this with individuals who progress to MCI in the absence of significant amyloid pathology. Seventy-five cognitively healthy participants who progressed to MCI were followed for 4 years on average and up to 10 years...
December 27, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29351819/patient-reported-outcomes-in-older-adults-with-obstructive-sleep-apnea-treated-with-continuous-positive-airway-pressure-therapy
#2
Jennifer Pallansch, Yiping Li, James Bena, Lu Wang, Nancy Foldvary-Schaefer
STUDY OBJECTIVES: Although continuous positive airway pressure (CPAP) therapy is regarded as the gold standard treatment for obstructive sleep apnea (OSA) in adults, outcomes in older patients are limited. This study examines the effect of CPAP therapy in older adults with OSA (older than 60 years) compared to younger adults (age 18 to 60 years) to inform the current standard of practice. METHODS: We performed a retrospective study with a convenience sample to compare responses to CPAP treatment in older versus younger adults with OSA using validated, patient-reported outcomes (PROs)...
January 16, 2018: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29348422/individuals-with-depressive-tendencies-experience-difficulty-in-forgetting-negative-material-two-mechanisms-revealed-by-erp-data-in-the-directed-forgetting-paradigm
#3
Hui Xie, Donghong Jiang, Dandan Zhang
Although previous studies have shown that individuals with depressive tendencies have deficits in forgetting negative material, the detailed underlying neural mechanisms have not been elucidated. This study examined the intentional forgetting of negative and neutral material in individuals with depressive tendencies in two phases. In the study phase, the participants performed a directed forgetting task, where a total of 320 words were presented to them, each followed by an instructive cue to forget or remember the previously presented word...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29347988/efficacy-of-melatonin-for-sleep-disturbance-following-traumatic-brain-injury-a-randomised-controlled-trial
#4
Natalie A Grima, Shantha M W Rajaratnam, Darren Mansfield, Tracey L Sletten, Gershon Spitz, Jennie L Ponsford
BACKGROUND: The study aimed to determine the efficacy of melatonin supplementation for sleep disturbances in patients with traumatic brain injury (TBI). METHODS: This is a randomised double-blind placebo-controlled two-period two-treatment (melatonin and placebo) crossover study. Outpatients were recruited from Epworth and Austin Hospitals Melbourne, Australia. They had mild to severe TBI (n = 33) reporting sleep disturbances post-injury (mean age 37 years, standard deviation 11 years; 67% men)...
January 19, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29345192/cross-validation-of-the-dot-counting-test-in-a-large-sample-of-credible-and-non-credible-patients-referred-for-neuropsychological-testing
#5
Courtney McCaul, Kyle B Boone, Annette Ermshar, Maria Cottingham, Tara L Victor, Elizabeth Ziegler, Michelle A Zeller, Matthew Wright
OBJECTIVE: To cross-validate the Dot Counting Test in a large neuropsychological sample. METHOD: Dot Counting Test scores were compared in credible (n = 142) and non-credible (n = 335) neuropsychology referrals. RESULTS: Non-credible patients scored significantly higher than credible patients on all Dot Counting Test scores. While the original E-score cut-off of ≥17 achieved excellent specificity (96.5%), it was associated with mediocre sensitivity (52...
January 18, 2018: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29345180/depression-among-caregivers-of-patients-with-dementia
#6
Abdullelah S Alfakhri, Ahmed W Alshudukhi, Ali A Alqahtani, Abdulrahman M Alhumaid, Omer A Alhathlol, Abdullah I Almojali, Muteb A Alotaibi, Meshal K Alaqeel
We aimed to assess depressive symptoms in caregivers of patients with dementia, taking into account variables such as severity of dementia, sex, age, and financial state of the patient. We recruited 222 caregivers of patients with dementia from King Abdulaziz Medical City, Saudi Alzheimer's Disease Association, and online, from February to June 2017, and employed the Patient Health Questionnaire to assess depression, and the Blessed Dementia Scale to assess severity of dementia. The prevalence of clinical depression among the caregivers was 14...
January 2018: Inquiry: a Journal of Medical Care Organization, Provision and Financing
https://www.readbyqxmd.com/read/29345037/prevalence-of-cognitive-impairment-in-major-depression-and-bipolar-disorder
#7
Katie M Douglas, Peter Gallagher, Lucy J Robinson, Janet D Carter, Virginia Vw McIntosh, Christopher Ma Frampton, Stuart Watson, Allan H Young, I Nicol Ferrier, Richard J Porter
OBJECTIVES: The current study examines prevalence of cognitive impairment in four mood disorder samples, using four definitions of impairment. The impact of premorbid IQ on prevalence was examined, and the influence of treatment response. METHODS: Samples were: (i) 58 inpatients in a current severe depressive episode (unipolar or bipolar), (ii) 69 unmedicated outpatients in a mild to moderate depressive episode (unipolar or bipolar), (iii) 56 outpatients with bipolar disorder, in a depressive episode, and (iv) 63 outpatients with bipolar disorder, currently euthymic...
January 18, 2018: Bipolar Disorders
https://www.readbyqxmd.com/read/29344969/media-experiences-and-associations-with-mental-health-among-the-bereaved-of-the-mh17-disaster-a-latent-profile-analysis
#8
Peter G van der Velden, Erik van der Meulen, Lonneke I M Lenferink, Joris C Yzermans
Research has shown that the amount of media exposure is associated with post-event mental health problems. Whether bereaved individuals have negative experiences with media reports and whether they are associated with post-event mental health is unclear. This study evaluated these experiences and associations following the MH17-disaster. How media reports were experienced (nine topics, modified MAS), depression symptoms (QIDS-SR), functional problems (WSAS) and event-related coping-self-efficacy (CSE) were assessed about one year post-disaster (May-August 2015) among Dutch bereaved (N = 152)...
January 17, 2018: Scandinavian Journal of Psychology
https://www.readbyqxmd.com/read/29344746/desvenlafaxine-induced-interstitial-pneumonitis-a-case-report
#9
Arjan Flora, Daniel Pipoly
A 52-year-old man developed interstitial pneumonitis during treatment with desvenlafaxine for major depressive disorder. The man received desvenlafaxine at 50 mg for symptoms of depression 4 years earlier. Six months after a dose increase to 100 mg, he developed bronchitic symptoms with mild, persistent dyspnea. Investigations revealed a restrictive pattern on pulmonary function testing, bilateral upper lobe reticular opacities with traction bronchiectasis on radiology imaging, and end-stage interstitial fibrosis with honeycomb changes consistent with chronic hypersensitivity pneumonitis on open lung biopsy...
January 17, 2018: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/29343269/microglial-activation-mediates-chronic-mild-stress-induced-depressive-and-anxiety-like-behavior-in-adult-rats
#10
Ya-Lin Wang, Qiu-Qin Han, Wen-Qing Gong, Dong-Hui Pan, Li-Zheng Wang, Wei Hu, Min Yang, Bing Li, Jin Yu, Qiong Liu
BACKGROUND: Depression is a heterogeneous disorder, with the exact neuronal mechanisms causing the disease yet to be discovered. Recent work suggests it is accompanied by neuro-inflammation, characterized, in particular, by microglial activation. However, microglial activation and its involvement in neuro-inflammation and stress-related depressive disorders are far from understood. METHODS: We utilized multiple detection methods to detect the neuro-inflammation in the hippocampus of rats after exposure to chronic mild stress (CMS)...
January 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29341943/beneficial-effect-of-chronic-treatment-with-extracts-from-rhodiola-rosea-l-and-curcuma-longa-l-on-the-immunoreactivity-of-animals-subjected-to-a-chronic-mild-stress-model
#11
Liliya V Vasileva, Kremena Е Saracheva, Mariya V Ivanovska, Atanaska P Petrova, Emir Sucouglu, Mariana A Murdjeva, Damyanka P Getova-Spasova
BACKGROUND: Recent studies have suggested increased levels of pro-inflammatory cytokines in depression. AIM: The present study aimed to evaluate the effect of extracts from Rhodiola and Curcuma on immunoreactivity of animals subjected to a chronic mild stress (CMS) model followed by lipopolysaccharide-induced inflammation. MATERIALS AND METHODS: Male Wistar rats (n=56) divided in 7 groups were treated orally with: distilled water 10 ml/kg (control and CMS model groups); Rhodiola 250 mg/kg; Rhodiola 500 mg/kg; Curcuma 250 mg/kg; Curcuma 500 mg/kg, Rhodiola 250 mg/kg and Curcuma 250 mg/kg...
December 20, 2017: Folia Medica
https://www.readbyqxmd.com/read/29341070/personality-changes-during-the-transition-from-cognitive-health-to-mild-cognitive-impairment
#12
Richard J Caselli, Blake T Langlais, Amylou C Dueck, Bruce R Henslin, Travis A Johnson, Bryan K Woodruff, Charlene Hoffman-Snyder, Dona E C Locke
BACKGROUND/OBJECTIVES: Behavioral problems in individuals with Alzheimer's disease (AD) impose major management challenges. Current prevention strategies are anchored to cognitive outcomes, but behavioral outcomes may provide another, clinically relevant opportunity for preemptive therapy. We sought to determine whether personality changes that predispose to behavioral disorders arise during the transition from preclinical AD to mild cognitive impairment (MCI). DESIGN: Longitudinal observational cohort study...
January 17, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29339257/changes-in-the-concentrations-of-inflammatory-and-oxidative-status-biomediators-mip-1-%C3%AE-pmn-elastase-mda-and-il-12-in-depressed-patients-with-and-without-posttraumatic-stress-disorder
#13
Ewa A Ogłodek
BACKGROUND: Both proinflammatory cytokines and oxidative stress are considered an imbalance between the cellular production of reactive oxygen species and the antioxidant defense mechanisms. An inflammatory response that occurs in depression leads to a synergy between pro-inflammatory cytokines and oxidative stress. This synergy induces common signal transduction pathways that boost the inflammatory cascade. The object of this study was to assess the concentrations of inflammatory and oxidative status biomediators such as MIP-1α, PMN elastase, MDA, and IL-12 in depressed patients with and without posttraumatic stress disorder (PTSD), and with PTSD alone...
August 26, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29339018/nicotine-alleviates-chronic-stress-induced-anxiety-and-depressive-like-behavior-and-hippocampal-neuropathology-via-regulating-autophagy-signaling
#14
Xi Xiao, Xueliang Shang, Baohui Zhai, Hui Zhang, Tao Zhang
Recently, we reported that chronic nicotine significantly improved chronic stress-induced impairments of cognition and the hippocampal synaptic plasticity in mice, however, the underlying mechanism still needs to be explored. In the present study, 32 male C57BL/6 mice were divided into four groups: control (CON), stress (CUS), stress with chronic nicotine administration (CUS + Nic) and chronic nicotine administration (Nic). The anxiety-like behavior and neuropathological alteration of DG neurons were examined...
January 12, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29338817/correlation-of-stress-hyperglycemia-after-ischemic-stroke-with-early-vascular-cognitive-impairment
#15
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/29338321/are-wishes-for-death-or-suicidal-ideation-symptoms-of-depression-in-older-adults
#16
Rebecca C Rossom, Greg E Simon, Karen J Coleman, Arne Beck, Malia Oliver, Christine Stewart, Brian Ahmedani
OBJECTIVE: Clinicians may question whether thoughts of being better off dead are normal consequences of aging or symptoms of depression. We examine whether thoughts of suicide are as strongly linked to depression severity in older adults as they are in other age groups. METHODS: Cross-sectional cohort study. Participants included 509,945 outpatients >18 years old from four large integrated healthcare systems in the Mental Health Research Network who completed 1...
January 17, 2018: Aging & Mental Health
https://www.readbyqxmd.com/read/29338288/transcranial-magnetic-stimulation-tms-safety-a-practical-guide-for-psychiatrists
#17
Rohan Taylor, Veronica Galvez, Colleen Loo
OBJECTIVES: Repetitive transcranial magnetic stimulation (rTMS) is increasingly being utilised as a treatment option for depression, and with this comes a need for a practical review of safety issues intended for clinicians. This article provides an overview of the current literature regarding safety issues with rTMS for depression, and provides recommendations for clinical practice. CONCLUSIONS: Overall, rTMS is a well-tolerated treatment with common side effects (such as headache or local pain at the site of stimulation) being mild...
January 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29334644/predictors-of-remission-from-probable-depression-among-hong-kong-adolescents-a-large-scale-longitudinal-study
#18
Xue Yang, Joseph T F Lau, Mason C M Lau
BACKGROUND: This study investigated the incidence of remission from probable depression among adolescents in Hong Kong. Remissions were defined as having Center for Epidemiological Studies Depression Scale (CESD) scores changed from ≥16 at baseline to <16 over the 12-month follow-up period. The study tested the predictors of remissions, including perceived changes in family support, self-efficacy, self-esteem, positive affect, negative events, social anxiety, and loneliness. METHODS: The study surveyed 9666 secondary school students and identified 5487 (57%) students with probable depression in Hong Kong...
January 2, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29334512/association-between-alcohol-use-and-angina-symptoms-among-outpatients-from-the-veterans-health-administration
#19
Emily C Williams, Chris L Bryson, Haili Sun, David H Au, Katharine A Bradley
BACKGROUND: Alcohol use is associated with angina incidence, but associations between alcohol use and experience of angina among patients with coronary artery disease (CAD) have not been described. METHODS: Outpatients with CAD from 7 clinics in the Veterans Health Administration were surveyed; alcohol use was measured using the validated Alcohol Use Disorders Identification Test-Consumption scores categorized into 6 groups: nondrinking, low-risk drinking, and mild, moderate, severe, and very severe unhealthy alcohol use...
January 12, 2018: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/29334499/cognitive-function-and-its-risk-factors-among-older-us-adults-living-at-home
#20
William Dale, Ashwin A Kotwal, Joseph W Shega, L Philip Schumm, David W Kern, Jayant M Pinto, Kelly M Pudelek, Linda J Waite, Martha K McClintock
BACKGROUND: The Montreal Cognitive Assessment (MoCA) has not been administered to a representative national sample, precluding comparison of patient scores to the general population and for risk factor identification. METHODS: A validated survey-based adaptation of the MoCA (MoCA-SA) was administered to a probability sample of home-dwelling US adults aged 62 to 90, using the National Social Life, Health, and Aging Project (n=3129), yielding estimates of prevalence in the United States...
January 12, 2018: Alzheimer Disease and Associated Disorders
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