44 research outputs found
Cognitive and social predictors of generalized anxiety disorder symptoms among fresh undergraduates in Uganda
Background: Generalized anxiety disorder (GAD) is common. It accounts for about one out of four anxiety related clinic consultations. The prevalence of this common disorder and the associated factors in Ugandan students are unknown. The objectives of this study were to determine the prevalence of GAD symptoms, and to evaluate its association with intolerance of uncertainty and parental attachment among fresh undergraduates in Uganda.Methods: The research utilized a cross-sectional approach. Non-clinical participants from 8 colleges (mean age 21.24; 59.7% males, 40.3% females) completed self-report inventories measuring intolerance of uncertainty, parental attachment and GAD symptoms. Pearsonâs correlations were run to test relationship between the independent and dependent variables, a stepwise regression analysis was used to identify predictors of GAD, while controlling for age.Results: A total of 401 students were involved in the study. The prevalence of GAD symptoms was 28.9%. There was a significant positive relationship between GAD symptoms and intolerance of uncertainty (r = 0.30, p = 0.001) and with parental attachment (r = 0.21, p = 0.001). Intolerance of uncertainty and parental attachment, predicted GAD symptoms (r = 0.30, 95% CI = 0.30 to 6.16, p = 0.001; r = 0.21, 95% CI = 0.21 to 4.19, p = 0.001, respectively).Conclusion:Â The present research suggests that GAD symptoms are prevalent among fresh undergraduates and are associated with both intolerances of uncertainty and parental attachment. Psychological interventions for undergraduate students may be needed to target these factors
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Dopamine Transporter Imaging in Psychogenic Parkinsonism and Neurodegenerative Parkinsonism with Psychogenic Overlay: A Report of Three Cases
Background: Differentiating psychogenic parkinsonism from neurodegenerative Parkinson's disease (PD) with psychogenic features is a diagnostic challenge.
Case report: We report a detailed longitudinal clinical description of three cases presenting with suspected psychogenic parkinsonism. Dopamine transporter single-photon emission computed tomography (DAT-SPECT) was used as a supplemental diagnostic study and influenced clinical management.
Discussion: DAT-SPECT quantified the integrity of the striatal dopaminergic system in these cases of clinically uncertain parkinsonism and supported clinical decision-making
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REM Sleep Behavior and Motor Findings in Parkinsonâs Disease: A Cross-sectional Analysis
Background: Parkinson's disease (PD) represents a major public health challenge that will only grow in our aging population. Understanding the connection between PD and associated prodromal conditions, such as rapid eye movement sleep behavioral disorder (RBD), is critical to identifying prevention strategies. However, the relationship between RBD and severity of motor findings in early PD is unknown. This study aims to examine this relationship.
Methods: The study population consisted of 418â
PD patients who completed the Movement Disorders SocietyâUnited Parkinson's Disease Rating Scale (MDSâUPDRS) and rapid eye movement sleep (REM) disorder questionnaires at the baseline visit of the Michael J. Fox's Parkinson's Progression Markers Initiative (PPMI). Crossâsectional analysis was carried out to assess the association between REM Sleep Behavior Screening Questionnaire score and MDS UPDRSâ3 (motor) score categories. Correlation with a higher score category was described as âworse motor findingsâ. A score of 5 on the REM disorder questionnaire was defined as predictive of RBD.
Results: Out of the 418â
PD patients, 113 (27.0%) had RBD. With univariate logistic regression analysis, individuals with scores predictive of RBD were 1.66 times more likely to have worse motor findings (pâ=â0.028). Even with age, gender, and Geriatric Depression Scale scores taken into account, individuals with scores predictive of RBD were 1.69 times more likely to have worse motor findings (pâ=â0.025).
Discussion: PD patients with RBD symptoms had worse motor findings than those unlikely to have RBD. This association provides further evidence for the relationship between RBD and PD
Various types of phase transitions in the AdS soliton background
We study the basic holographic insulator and superconductor phase transition
in the AdS soliton background by generalizing the spontaneous breaking of a
global U(1) symmetry to occur via Stckelberg mechanism. We construct
the soliton solutions with backreaction and examine the effects of the
backreaction on the condensation of the scalar hair in the generalized
Stckelberg Lagrangian. We disclose rich physics in various phase
transitions. In addition to the AdS soliton configuration, we also examine the
property of the phase transition in the AdS black hole background.Comment: 11 pages, accepted for publication in Phys.Lett.
Holographic conductivity of zero temperature superconductors
Using the recently found by G. Horowitz and M. Roberts (arXiv:0908.3677)
numerical model of the ground state of holographic superconductors (at zero
temperature), we calculate the conductivity for such models. The universal
relation connecting conductivity with the reflection coefficient was used for
finding the conductivity by the WKB approach. The dependence of the
conductivity on the frequency and charge density is discussed. Numerical
calculations confirm the general arguments of (arXiv:0908.3677) in favor of
non-zero conductivity even at zero temperature. In addition to the
Horowitz-Roberts solution we have found (probably infinite) set of extra
solutions which are normalizable and reach the same correct RN-AdS asymptotic
at spatial infinity. These extra solutions (which correspond to larger values
of the grand canonical potential) lead to effective potentials that also vanish
at the horizon and thus correspond to a non-zero conductivity at zero
temperature.Comment: 9 pages, 10 figure
Dynamical perturbations and critical phenomena in Gauss-Bonnet-AdS black holes
We investigate the perturbations of charged scalar field in -dimensional
Gauss-Bonnet AdS black hole backgrounds. From the perturbation behaviors we
obtain the objective picture on how the high curvature influence the spacetime
perturbation and the condensation of the scalar hair. The high curvature
effects can also be read from the linear response function such as the
susceptibility and the correlation length, when the system approaches the
critical point. We find that the Gauss-Bonnet term does not affect the critical
exponents of the system and they still take the mean-field values.Comment: 13 pages, 5 figures, to appear in Phys. Lett.
Tracking coverage, dropout and multidimensional equity gaps in immunisation systems in West Africa, 2000-2017.
BACKGROUND: Several West African countries are unlikely to achieve the recommended Global Vaccine Action Plan (GVAP) immunisation coverage and dropout targets in a landscape beset with entrenched intra-country equity gaps in immunisation. Our aim was to assess and compare the immunisation coverage, dropout and equity gaps across 15 West African countries between 2000 and 2017. METHODS: We compared Bacille Calmette Guerin (BCG) and the third dose of diphtheria-tetanus-pertussis (DTP3) containing vaccine coverage between 2000 and 2017 using the WHO and Unicef Estimates of National Immunisation Coverage for 15 West African countries. Estimated subregional median and weighted average coverages, and dropout (DTP1-DTP3) were tracked against the GVAP targets of âĽ90% coverage (BCG and DTP3), and â¤10% dropouts. Equity gaps in immunisation were assessed using the latest disaggregated national health survey immunisation data. RESULTS: The weighted average subregional BCG coverage was 60.7% in 2000, peaked at 83.2% in 2009 and was 65.7% in 2017. The weighted average DTP3 coverage was 42.3% in 2000, peaked at 70.3% in 2009 and was 61.5% in 2017. As of 2017, 46.7% of countries (7/15) had met the GVAP targets on DTP3 coverage. Average weighted subregional immunisation dropouts consistently reduced from 16.4% in 2000 to 7.4% in 2017, meeting the GVAP target in 2008. In most countries, inequalities in BCG, and DTP3 coverage and dropouts were mainly related to equity gaps of more than 20% points between the wealthiest and the poorest, high coverage regions and low coverage regions, and between children of mothers with at least secondary education and those with no formal education. A child's sex and place of residence (urban or rural) minimally determined equity gaps. CONCLUSIONS: The West African subregion made progress between 2000 and 2017 in ensuring that its children utilised immunisation services, however, wide equity gaps persist
The holographic superconductors in higher-dimensional AdS soliton
We explore the behaviors of the holographic superconductors at zero
temperature for a charged scalar field coupled to a Maxwell field in
higher-dimensional AdS soliton spacetime via analytical way. In the probe
limit, we obtain the critical chemical potentials increase linearly as a total
dimension grows up. We find that the critical exponent for condensation
operator is obtained as 1/2 independently of , and the charge density is
linearly related to the chemical potential near the critical point.
Furthermore, we consider a slightly generalized setup the
Einstein-Power-Maxwell field theory, and find that the critical exponent for
condensation operator is given as in terms of a power parameter
of the Power-Maxwell field, and the charge density is proportional to the
chemical potential to the power of .Comment: LaTeX, 16 pages, 5 figures, typos corrected, one reference added,
version to appear in European Physical Journal
Adverse event following vaccine surveillance in Kaduna State, Northwestern Nigeria (January 2018 - June 2019): analysis of health facility´s records
Introduction: Adverse Events Following Immunization (AEFI) are one of the main reasons for inadequate immunization coverage in Kaduna State, and AEFI underreporting serves as a barrier to achieving goals of global pharmaco-vigilance for vaccine. The purpose of this study is to estimate the completeness of variables in the AEFI line-listing forms, calculate AEFI reporting rates by local government Areas & vaccine type and profile the reported cases according to their reactions.
Methods: we conducted a descriptive, cross-sectional, retrospective study of primary surveillance records. We calculated AEFI reporting rates in the State and local government areas and AEFI Vaccine reaction rates to the various antigens. We used Binary logistic regression to determine the association between gender and vaccine reactions.
Results: seven thousand eight hundred and twenty-four (7,824) AEFI cases were reported. The completeness of variables on the filled AEFI line-list varied from 21% to 100%. The State had a high AEFI reporting rate of 9.09 per 10,000 administered doses. Fever (<38oC) was the main AEFI reaction. Severe AEFI cases accounted for only 0.89% of the total reported cases. Pentavalent vaccine was the suspect antigen responsible for the highest number of AEFI cases, with a vaccine reaction rate of 44.77 per 10,000 doses. The Zaria Local Government area had the highest AEFI reporting rate, while the Sanga Local Government area had the lowest AEFI reporting rate in the State. The difference between genders in the number of reported AEFI cases was not statistically significant (p>0.05). There were 35% higher odds of occurrence of bleeding among males than among females (aOR:1.354; P-value: p=.012; 95% CI: 1.070-1.715; Nagelkerke-R2-: 0.003). The other reactions were not significantly related to gender.
Conclusion: our study shows a higher occurrence of severe AEFI in subjects undergoing pentavalent vaccine. Thiscaused the highest incidence of AEFI. There was no significant association between gender and AEFI reactions