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https://www.readbyqxmd.com/read/29329066/association-of-suicidal-risk-with-ratings-of-affective-temperaments
#1
Leonardo Tondo, Gustavo H Vázquez, Gabriele Sani, Marco Pinna, Ross J Baldessarini
BACKGROUND: Ratings of particular temperament-types with the TEMPS-A autoquestionnaire have been associated with suicidal risk, and combinations of such ratings may enhance the association. However, the predictive value of scores for individual temperaments and combinations remains to be quantified. METHOD: We evaluated associations of TEMPS-A ratings for anxious (anx), cyclothymic (cyc), dysthymic (dys), hyperthymic (hyp) and irritable (irr) temperaments, with a history of suicidal acts or reported suicidal ideation in 882 patients with bipolar (BD; n = 509), major depressive (MDD; n = 268) or anxiety (ANX; n = 105) disorders...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29323198/paroxysmal-nocturnal-hemoglobinuria-pnh-brain-mri-ischemic-lesions-in-neurologically-asymtomatic-patients
#2
Wilma Barcellini, Elisa Scola, Silvia Lanfranconi, Marika Grottaroli, Francesca Binda, Bruno Fattizzo, Anna Zaninoni, Gloria Valcamonica, Claudia Maria Cinnante, Carla Boschetti, Massimiliano Buoli, Carlo Alfredo Altamura, Nereo Bresolin, Fabio Triulzi, Alberto Zanella, Agostino Cortelezzi
This study investigated for the first time brain ischemic involvement in 19 consecutive neurologically asymptomatic PNH patients by non-enhanced cerebral MRI, and by intracranial arterial and venous angio-MRI. Eleven cases (58%, 7 aged <65) showed pathological findings: 9 white matter (WM) abnormalities related to chronic ischemic small vessel disease, 2 a focal abnormality >5 mm, and 5 cases a score >4 by the age-related white matter changes (ARWMC) scale. Compared with age and sex-matched controls (1:2 ratio), patients showed an increased frequency of periventricular WM vascular degeneration (32% versus 5...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29317193/an-essential-role-for-neuregulin-4-in-the-growth-and-elaboration-of-developing-neocortical-pyramidal-dendrites
#3
Blanca Paramo, Sean Wyatt, Alun M Davies
Neuregulins, with the exception of neuregulin-4 (NRG4), have been shown to be extensively involved in many aspects of neural development and function and are implicated in several neurological disorders, including schizophrenia, depression and bipolar disorder. Here we provide the first evidence that NRG4 has a crucial function in the developing brain. We show that both the apical and basal dendrites of neocortical pyramidal neurons are markedly stunted in Nrg4-/- neonates in vivo compared with Nrg4+/+ littermates...
January 6, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29306692/neurocognitive-features-in-clinical-subgroups-of-bipolar-disorder-a-meta-analysis
#4
REVIEW
Emre Bora
OBJECTIVE: There is a significant cognitive heterogeneity in bipolar disorder (BD). The aim of this systematic review was to examine the potential distinctive neuropsychological of features of clinical subgroups of BD. A literature search investigating cognitive differences between potential subtypes of BD was conducted. METHODS: It was possible to conduct a meta-analysis of studies investigating the relationship between cognitive deficits and subgroups of DSM-IV BD (type I (BD-I) and type II (BD-II)), subgroups based on history of psychosis (PBD and NPBD)...
December 29, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29295889/the-actin-cytoskeleton-and-actin-based-motility
#5
REVIEW
Tatyana Svitkina
SUMMARYThe actin cytoskeleton-a collection of actin filaments with their accessory and regulatory proteins-is the primary force-generating machinery in the cell. It can produce pushing (protrusive) forces through coordinated polymerization of multiple actin filaments or pulling (contractile) forces through sliding actin filaments along bipolar filaments of myosin II. Both force types are particularly important for whole-cell migration, but they also define and change the cell shape and mechanical properties of the cell surface, drive the intracellular motility and morphogenesis of membrane organelles, and allow cells to form adhesions with each other and with the extracellular matrix...
January 2, 2018: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/29289171/comparison-of-the-leading-edge-timing-walk-in-pulsed-tof-laser-range-finding-with-avalanche-bipolar-junction-transistor-bjt-and-metal-oxide-semiconductor-mos-switch-based-laser-diode-drivers
#6
Mikko Hintikka, Lauri Hallman, Juha Kostamovaara
Timing walk error in pulsed time-of-flight based laser range finding was studied using two different types of laser diode drivers. The study compares avalanche bipolar junction transistor (BJT) and metal-oxide-semiconductor field-effect transistor switch based laser pulse drivers, both producing 1.35 ns current pulse length (full width at half maximum), and investigates how the slowly rising part of the current pulse of the avalanche BJT based driver affects the leading edge timing walk. The walk error was measured to be very similar with both drivers within an input signal dynamic range of 1:10 000 (receiver bandwidth of 700 MHz) but increased rapidly with the avalanche BJT based driver at higher values of dynamic range...
December 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29282470/efficacy-and-safety-of-transcranial-direct-current-stimulation-as-an-add-on-treatment-for-bipolar-depression-a-randomized-clinical-trial
#7
Bernardo Sampaio-Junior, Gabriel Tortella, Lucas Borrione, Adriano H Moffa, Rodrigo Machado-Vieira, Eric Cretaz, Adriano Fernandes da Silva, Renério Fraguas, Luana V Aparício, Izio Klein, Beny Lafer, Stephan Goerigk, Isabela Martins Benseñor, Paulo Andrade Lotufo, Wagner F Gattaz, André Russowsky Brunoni
Importance: More effective, tolerable interventions for bipolar depression treatment are needed. Transcranial direct current stimulation (tDCS) is a novel therapeutic modality with few severe adverse events that showed promising results for unipolar depression. Objective: To determine the efficacy and safety of tDCS as an add-on treatment for bipolar depression. Design, Setting, and Participants: A randomized, sham-controlled, double-blind trial (the Bipolar Depression Electrical Treatment Trial [BETTER]) was conducted from July 1, 2014, to March 30, 2016, at an outpatient, single-center academic setting...
December 27, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/29282022/chromosomal-instability-induced-by-increased-birc5-survivin-levels-affects-tumorigenicity-of-glioma-cells
#8
Marina Conde, Susanne Michen, Ralf Wiedemuth, Barbara Klink, Evelin Schröck, Gabriele Schackert, Achim Temme
BACKGROUND: Survivin, belonging to the inhibitor of apoptosis (IAP) gene family, is abundantly expressed in tumors. It has been hypothesized that Survivin facilitates carcinogenesis by inhibition of apoptosis resulting in improved survival of tumorigenic progeny. Additionally, Survivin plays an essential role during mitosis. Together with its molecular partners Aurora B, Borealin and inner centromere protein it secures bipolar chromosome segregation. However, whether increased Survivin levels contribute to progression of tumors by inducing chromosomal instability remains unclear...
December 28, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29275886/the-extent-of-left-atrial-low-voltage-areas-included-in-pulmonary-vein-isolation-is-associated-with-freedom-from-recurrent-atrial-arrhythmia
#9
Dong Huang, Jing-Bo Li, Tarek Zghaib, Esra Gucuk Ipek, Muhammad Balouch, David D Spragg, Hiroshi Ashikaga, Harikrishna Tandri, Sunil K Sinha, Joseph E Marine, Ronald D Berger, Hugh Calkins, Saman Nazarian
BACKGROUND: The extent of left atrial (LA) baseline low-voltage areas (LVA-B), which may be a surrogate for fibrosis, is associated with recurrent atrial fibrillation (AF) after ablation. This study aimed to assess the relationship between the extent of LVA-B isolated by ablation (LVA-I) and AF recurrence. METHODS: The study cohort included 159 consecutive patients with drug-refractory AF who underwent an initial AF ablation with LA voltage mapping during sinus rhythm...
January 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29275593/-impact-on-the-incidence-of-postoperative-ventricular-arrhythmias-after-cardiac-resynchronization-therapy-defibrillator-with-quadripolar-lead
#10
G H Wu, K Y Chen, F Yu, Q Wang, J Xu, H Su, D M Yang, J Yan
Objective: To evaluate incidence of postoperative ventricular arrhythmias in patients who received cardiac resynchronization therapy defibrillator (CRT-D ) with left ventricular quadripolar lead. Methods: The patients received CRT-D who had complete follow-up data in Anhui Provincial Hospital from June 2013 to June 2016 were included and divided into quadripolar lead group and bipolar lead group according to the type of left ventricular lead. And ventricular arrhythmia (VA), implantable cardioverter-defibrillator (ICD) shocks treatment, antitachycardia pacing therapy (ATP), and other indicators of the two groups were compared...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29275414/a-prospective-audit-of-intermittent-anti-androgen-verses-pituitary-blockade-suggests-a-bipolar-androgen-type-strategy-may-be-safe-in-untreated-prostate-cancer
#11
Timothy Oliver, Peter Wilson, Wendy Ansell, Tim Philp, Frank Chinegwundoh, Jonathan Shamash, Greg Shaw, Amar Ahmad
OBJECTIVE: A locally advanced Gleason 4 + 4 prostate cancer patient who was on self-medication with intermittent anti-androgen monotherapy (iAAm) over 14 years suggested that raised testosterone was not dangerous and this suggestion needed investigating. PATIENTS: Others who were on AA continuously were recruited to ongoing audit of intermittent hormone therapy (IHT) and iAAm outcomes were compared with intermittent LHRH therapy (iLHRH or iMAB). RESULTS: Between 1994 and 2007, 111 patients sought IHT because of side effects of treatment...
December 22, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/29249284/the-m5-cell-a-color-opponent-intrinsically-photosensitive-retinal-ganglion-cell
#12
Maureen E Stabio, Shai Sabbah, Lauren E Quattrochi, Marissa C Ilardi, P Michelle Fogerson, Megan L Leyrer, Jordan M Renna, Min Tae Kim, Inkyu Kim, Matthew Schiel, Kevin L Briggman, David M Berson
Intrinsically photosensitive retinal ganglion cells (ipRGCs) combine direct photosensitivity through melanopsin with synaptically mediated drive from classical photoreceptors through bipolar-cell input. Here, we sought to provide a fuller description of the least understood ipRGC type, the M5 cell, and discovered a distinctive functional characteristic-chromatic opponency (ultraviolet excitatory, green inhibitory). Serial electron microscopic reconstructions revealed that M5 cells receive selective UV-opsin drive from Type 9 cone bipolar cells but also mixed cone signals from bipolar Types 6, 7, and 8...
December 11, 2017: Neuron
https://www.readbyqxmd.com/read/29248821/psychometric-properties-of-the-well-being-index-who-5-spanish-version-in-a-sample-of-euthymic-patients-with-bipolar-disorder
#13
C M Bonnín, L N Yatham, E E Michalak, A Martínez-Arán, T Dhanoa, I Torres, C Santos-Pascual, E Valls, A F Carvalho, J Sánchez-Moreno, M Valentí, I Grande, D Hidalgo-Mazzei, E Vieta, M Reinares
BACKGROUND: The concept of well-being which focuses on positive emotions has received increased research attention. However, a consensus definition of this term is lacking. The Well-Being Index scale (WHO-5) is a generic, self-report scale that contains five Likert-type items to evaluate psychological well-being. This construct may provide a relevant outcome in bipolar disorder (BD) research and care beyond the rating of mood symptoms. Thus, in the current study, the psychometric properties of the WHO-5 Spanish version were assessed in a sample of euthymic patients with BD...
December 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29245092/predictors-of-hospitalization-length-of-stay-among-re-admitted-treatment-resistant-bipolar-disorder-inpatients
#14
M Fornaro, F Iasevoli, S Novello, A Fusco, A Anastasia, D De Berardis, A Valchera, A de Bartolomeis
BACKGROUND: Hospitalization accounts for significant health care resource utilization for treatment-resistant Bipolar Disorder (BD), especially among frequent users of acute inpatient psychiatric units. Appraisal of the clinical features and predictive role of selected variables is therefore crucial in such population, representing the aim of the present research. METHODS: A hundred and nineteen BD inpatients with an established history of pharmacological treatment resistance for either mania or bipolar depression were classified as long hospitalization cases (LOS+) and their controls and compared against each other for a number of demographic, clinical, and psychopathological features...
December 7, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29237066/early-motor-developmental-milestones-and-schizotypy-in-the-northern-finland-birth-cohort-study-1966
#15
Svetlana Filatova, Heli Koivumaa-Honkanen, Golam M Khandaker, Estelle Lowry, Tanja Nordström, Tuula Hurtig, Kristiina Moilanen, Jouko Miettunen
Delayed motor developmental milestones have been reported to be associated with schizophrenia in previous studies, but no study has examined the relationship between early motor developmental milestones and schizotypy. We have examined this relationship in a prospective birth cohort.In the Northern Finland Birth Cohort 1966, data on 9 early motor developmental milestones were collected prospectively from visits to child welfare centers, and data on adult schizotypy were collected through a questionnaire (N = 4557-4674)...
December 9, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29229922/comparison-of-electrohysterogram-signal-measured-by-surface-electrodes-with-different-designs-a-computational-study-with-dipole-band-and-abdomen-models
#16
Pei Gao, Dongmei Hao, Yang An, Ying Wang, Qian Qiu, Lin Yang, Yimin Yang, Song Zhang, Xuwen Li, Dingchang Zheng
Non-invasive measurement of uterine activity using electrohysterogram (EHG) surface electrodes has been attempted to monitor uterine contraction. This study aimed to computationally compare the performance of acquiring EHG signals using monopolar electrode and three types of Laplacian concentric ring electrodes (bipolar, quasi-bipolar and tri-polar). With the implementation of dipole band model and abdomen model, the performances of four electrodes in terms of the local sensitivity were quantified by potential attenuation...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29224084/bipolar-dual-lead-spinal-cord-stimulation-between-two-electrodes-on-the-ventral-and-dorsal-sides-of-the-spinal-cord-consideration-of-putative-mechanisms
#17
Mitsuru Watanabe, Takamitsu Yamamoto, Chikashi Fukaya, Toshiki Obuchi, Toshikazu Kano, Kazutaka Kobayashi, Hideki Oshima, Atsuo Yoshino
We have applied bipolar dual-lead spinal cord stimulation (SCS) between two cylinder-type electrodes placed on the ventral and dorsal sides of the spinal cord (dual-VD-SCS). A 36-year-old man suffered from burning pain from his right elbow down to his hand after brachial plexus avulsion. The areas with paresthesia induced by conventional SCS did not include the painful hand area. However, dual-VD-SCS completely induced paresthesia in the painful hand area. We speculate that dual-VD-SCS can be applied to stimulate deeper sites of the dorsal column and dorsal horn than conventional SCS and is useful for pain reduction...
December 9, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29223913/prevalence-of-childhood-trauma-and-correlations-between-childhood-trauma-suicidal-ideation-and-social-support-in-patients-with-depression-bipolar-disorder-and-schizophrenia-in-southern-china
#18
Peng Xie, Kai Wu, Yingjun Zheng, Yangbo Guo, Yuling Yang, Jianfei He, Yi Ding, Hongjun Peng
BACKGROUND: Childhood trauma has long-term adverse effects on physical and psychological health. Previous studies demonstrated that suicide and mental disorders were related to childhood trauma. In China, there is insufficient research available on childhood trauma in patients with mental disorders. METHODS: Outpatients were recruited from a psychiatric hospital in southern China, and controls were recruited from local communities. The demographic questionnaire, the Childhood Trauma Questionnaire-Short Form (CTQ-SF), and the Social Support Rating Scale (SSRS) were completed by all participants, and the Self-rating Idea of Suicide Scale (SIOSS) were completed only by patients...
November 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29222987/frequency-and-correlates-of-tardive-dyskinesia-in-indian-patients-with-type-i-bipolar-disorder
#19
Tess Maria Rajan, Balaji Bharadwaj, Ravi Philip Rajkumar, Prashant Shankarrao Adole
BACKGROUND: Patients with Bipolar Disorder (BD) may have higher risk of Tardive Dyskinesia (TD). Theories for TD include inflammatory or oxidative stress and altered iron metabolism. The current frequency and clinical and biochemical correlates of TD in BD needs exploration. OBJECTIVES: To assess: (1) the frequency of TD in BD; (2) clinical correlates of TD in BD; (3) oxidative stress markers, inflammatory markers and hepcidin in TD in BD. MATERIALS & METHODS: In this cross-sectional study, 170 patients with BD were assessed for clinical characteristics using structured assessments...
December 5, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/29222850/exploratory-study-of-imagery-rescripting-without-focusing-on-early-traumatic-memories-for-major-depressive-disorder
#20
Fuminori Yamada, Yoichi Hiramatsu, Tomokazu Murata, Yoichi Seki, Mizue Yokoo, Remi Noguchi, Takayuki Shibuya, Mari Tanaka, Rieko Takanashi, Eiji Shimizu
BACKGROUND: Mental imagery has a more powerful impact on our emotions than thinking in words about the same material. Treating intrusive images with imagery rescripting (IR) has been reported for various disorders, including post-traumatic stress disorder, social anxiety disorder, and bipolar disorder. There has been less research about IR as a major depressive disorder (MDD). AIMS: We examined whether IR without focusing on early traumatic memories is effective in MDD...
December 9, 2017: Psychology and Psychotherapy
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