519 research outputs found

    Educating Reimbursement Specialists About Plagiocephaly: Improving Efficiency of the Prior Authorization Process for Providers, Healthcare Staff, and Patients

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    Deformational plagiocephaly (DP) is a condition in which an infant’s head becomes deformed and flattened because of molding forces that manipulate the malleable cranium. DP is very common, impacting an estimated 46% of infants within the United States. The resulting asymmetries of the head and face carry implications for functional, social, and emotional interactions. Helmet therapy is the recommended treatment for persistent moderate-to-severe plagiocephaly. It is most effective when started before six months of life with decreasing correction as the child nears one year old. Helmet therapy is very effective but is also expensive, and insurers have highly variable policies such as prior authorizations (PA) for reimbursement. The PA process is lengthy and requires substantial administrative and clinical effort from craniofacial advanced practice providers, including nurse practitioners and physician assistants. Insurers frequently require a peer-to-peer discussion, which is a conversation between the craniofacial provider and an insurer-designated medical provider to discuss reasoning behind the clinical recommendation. This is very time consuming and presents a significant administrative burden for the craniofacial provider. The process delays the initiation of helmet therapy, which may negatively impact patient outcomes. This quality improvement project, aimed at improving the prior authorization process, occurred over eight months within a mid-size pediatric orthotics group located in a large urban area in the Midwest. It included the creation and integration of a written brochure tool that was utilized in the PA process. Craniofacial providers and staff completed a pre-and-post-implementation survey assessing their perceptions of the tool’s impact. Additionally, data on insurer communications and outcomes were obtained before and after the tool’s implementation. Results indicate that the educational brochure (1) significantly improved response times from many insurers, thus improving access to helmet therapy for patients, (2) decreased the number of peer-to-peer requests, thereby decreasing the administrative load for the craniofacial provider and expediting access to therapy for patients and (3) ultimately was correlated with increased prior authorization approval. Although these results are limited by several variables, they demonstrate that proactive insurer outreach resulted in significant improvements in PA timeliness and administrative burden. For similar insurer-mediated delays, results suggest that it may be beneficial to facilitate proactive outreach to insurers

    Biomarkers of post-discharge mortality among children with complicated severe acute malnutrition

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    High mortality after discharge from hospital following acute illness has been observed among children with Severe Acute Malnutrition (SAM). However, mechanisms that may be amenable to intervention to reduce risk are unknown. We performed a nested case-control study among HIV-uninfected children aged 2-59 months treated for complicated SAM according to WHO recommendations at four Kenyan hospitals. Blood was drawn from 1778 children when clinically judged stable before discharge from hospital. Cases were children who died within 60 days. Controls were randomly selected children who survived for one year without readmission to hospital. Untargeted proteomics, total protein, cytokines and chemokines, and leptin were assayed in plasma and corresponding biological processes determined. Among 121 cases and 120 controls, increased levels of calprotectin, von Willebrand factor, angiotensinogen, IL8, IL15, IP10, TNF alpha, and decreased levels of leptin, heparin cofactor 2, and serum paraoxonase were associated with mortality after adjusting for possible confounders. Acute phase responses, cellular responses to lipopolysaccharide, neutrophil responses to bacteria, and endothelial responses were enriched among cases. Among apparently clinically stable children with SAM, a sepsis-like profile is associated with subsequent death. This may be due to ongoing bacterial infection, translocated bacterial products or deranged immune response during nutritional recovery

    Searching for serial refreshing in working memory:Using response times to track the content of the focus of attention over time

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    One popular idea is that, to support maintenance of a set of elements over brief periods of time, the focus of attention rotates among the different elements thereby serially refreshing the content of Working Memory (WM). In the research reported here, probe letters were presented between to-be-remembered letters. Response times to these probes were used to infer the status of the different items in WM. If the focus of attention cycles from one item to the next, its content should be different at different points in time and this should be reflected in a change in the response time patterns over time. Across a set of four experiments, we demonstrate a striking pattern of invariance in the response time patterns over time, suggesting that either the content of the focus of attention did not change over time or that response times cannot be used to infer the content of the focus of attention. We discuss how this pattern constrains models of WM, attention, and human information processing

    Combined accelerometer and genetic analysis to differentiate essential tremor from Parkinson’s disease

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    Essential tremor (ET) and Parkinson’s disease (PD) are among the most common adult-onset tremor disorders. Clinical and pathological studies suggest that misdiagnosis of PD for ET, and vice versa, occur in anywhere from 15% to 35% of cases. Complex diagnostic procedures, such as dopamine transporter imaging, can be powerful diagnostic aids but are lengthy and expensive procedures that are not widely available. Preliminary studies suggest that monitoring of tremor characteristics with consumer grade accelerometer devices could be a more accessible approach to the discrimination of PD from ET, but these studies have been performed in well-controlled clinical settings requiring multiple maneuvers and oversight from clinical or research staff, and thus may not be representative of at-home monitoring in the community setting. Therefore, we set out to determine whether discrimination of PD vs. ET diagnosis could be achieved by monitoring research subject movements at home using consumer grade devices, and whether discrimination could be improved with the addition of genetic profiling of the type that is readily available through direct-to-consumer genetic testing services. Forty subjects with PD and 27 patients with ET were genetically profiled and had their movements characterized three-times a day for two weeks through a simple procedure meant to induce rest tremors. We found that tremor characteristics could be used to predict diagnosis status (sensitivity = 76%, specificity = 65%, area under the curve (AUC) = 0.75), but that the addition of genetic risk information, via a PD polygenic risk score, did not improve discriminatory power (sensitivity = 80%, specificity = 65%, AUC = 0.73)

    Strengthening the Reporting of Observational Studies in Epidemiology-Nutritional Epidemiology (STROBE-nut): An Extension of the STROBE Statement.

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    Concerns have been raised about the quality of reporting in nutritional epidemiology. Research reporting guidelines such as the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) statement can improve quality of reporting in observational studies. Herein, we propose recommendations for reporting nutritional epidemiology and dietary assessment research by extending the STROBE statement into Strengthening the Reporting of Observational Studies in Epidemiology-Nutritional Epidemiology (STROBE-nut).Recommendations for the reporting of nutritional epidemiology and dietary assessment research were developed following a systematic and consultative process, coordinated by a multidisciplinary group of 21 experts. Consensus on reporting guidelines was reached through a three-round Delphi consultation process with 53 external experts. In total, 24 recommendations for nutritional epidemiology were added to the STROBE checklist.When used appropriately, reporting guidelines for nutritional epidemiology can contribute to improve reporting of observational studies with a focus on diet and health

    Volume 09

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    Introduction Dr. Roger A. Byrne Islamic Radicalization of Women in The United Kingdom by Mackenzie Adamson Harmony by Chad Benton The Rhetoric of Distrust: A Dangerous Game During the 2016 Presidential Campaign by Garrett Badgley Neither Man nor Monster: Frankenstein\u27s Creature as Posthuman by Anna Bultrowicz Holisticrx by Kelsey Daniel Reality Bytes: Identity in the Virtual World of Ernest Cline\u27s Ready Player One by Taylor Embrey Animation by Jose Romero Sue Klebold\u27s a Mother\u27s Reckoning: A Call to Action for Mental Health Advocacy by Taylor Hughes Hillary Clinton\u27s Rhetoric of Gender Inequality: The Past, the Present, nd the (Hypothetical) Future by Haley Klepatzki Against the Grain: Eat Gluten Free by Emily Spittle Following Judith: A Midrashic Approach to the Book of Judith by Kelsey Longnaker Identity and Dialect Adaptation: The Effect of Geography and Community on Dialect by Alexis Paige Manuel These are the Gardens Of The Desert : The Revolutionary Impact Of Bryant\u27s The Prairies on American Literature by Montana Nelson Beauty is Pain: Eating Disorders, Gender, and the Lies We Feed Young Women By Faith Shelton Be a Man: The Eradication of Gender in Y: The Last Man by Joseph Stearman A Computational Study of Molecular Electronics: The Role of Molecular Structure by John Brumfield The Importance of Voting by Monica Mcgraw Method for The Detection and Removal of Antibiotics in Bottled Water by Jayden Metzger Small Chimp Print by Maddie Smith Mental Health Impairments in Rural Communities by Lyndsey Swinhart F@#* That: The Effects of Swearing and Influence of Authority on Stress Level by Amanda N. Chappell And Haley C. Moore Friend or Faux? Prosocial and Antisocial Social Media Use and Personality Traits by Samantha Burgess, Heather Dunbar, Briana Hackett, Jackie Mcmillion, Kiana Simpkins, And Ta\u27miya Vanhook-Davis There\u27s Someone in My Head but It’s Not Me : Attitudes About Diagnosis and Treatment of Psychological Disorders by Kiana Simpkins, Lindsey Sparrock, And Leonie Verstraete Efflorescent Bonds by Kristen Melton Shower Thoughts by Ryan Bultrowic

    Unique Features of a Global Human Ectoparasite Identified Through Sequencing of the Bed Bug Genome

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    The bed bug, Cimex lectularius, has re-established itself as a ubiquitous human ectoparasite throughout much of the world during the past two decades. This global resurgence is likely linked to increased international travel and commerce in addition to widespread insecticide resistance. Analyses of the C. lectularius sequenced genome (650 Mb) and 14,220 predicted protein-coding genes provide a comprehensive representation of genes that are linked to traumatic insemination, a reduced chemosensory repertoire of genes related to obligate hematophagy, host-symbiont interactions, and several mechanisms of insecticide resistance. In addition, we document the presence of multiple putative lateral gene transfer events. Genome sequencing and annotation establish a solid foundation for future research on mechanisms of insecticide resistance, human-bed bug and symbiont-bed bug associations, and unique features of bed bug biology that contribute to the unprecedented success of C. lectularius as a human ectoparasite

    Lexical access speed and the development of phonological recoding during immediate serial recall

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    A recent Registered Replication Report (RRR) of the development of verbal rehearsal during serial recall revealed that children verbalized at younger ages than previously thought, but did not identify sources of individual differences. Here, we use mediation analysis to reanalyze data from the 934 children ranging from 5 to 10 years old from the RRR for that purpose. From ages 5 to 7, the time taken for a child to label pictures (i.e. isolated naming speed) predicted the child’s spontaneous use of labels during a visually presented serial reconstruction task, despite no need for spoken responses. For 6- and 7-year-olds, isolated naming speed also predicted recall. The degree to which verbalization mediated the relation between isolated naming speed and recall changed across development. All relations dissipated by age 10. The same general pattern was observed in an exploratory analysis of delayed recall for which greater demands are placed on rehearsal for item maintenance. Overall, our findings suggest that spontaneous phonological recoding during a standard short-term memory task emerges around age 5, increases in efficiency during the early elementary school years, and is sufficiently automatic by age 10 to support immediate serial recall in most children. Moreover, the findings highlight the need to distinguish between phonological recoding and rehearsal in developmental studies of short-term memory

    LSST Science Book, Version 2.0

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    A survey that can cover the sky in optical bands over wide fields to faint magnitudes with a fast cadence will enable many of the exciting science opportunities of the next decade. The Large Synoptic Survey Telescope (LSST) will have an effective aperture of 6.7 meters and an imaging camera with field of view of 9.6 deg^2, and will be devoted to a ten-year imaging survey over 20,000 deg^2 south of +15 deg. Each pointing will be imaged 2000 times with fifteen second exposures in six broad bands from 0.35 to 1.1 microns, to a total point-source depth of r~27.5. The LSST Science Book describes the basic parameters of the LSST hardware, software, and observing plans. The book discusses educational and outreach opportunities, then goes on to describe a broad range of science that LSST will revolutionize: mapping the inner and outer Solar System, stellar populations in the Milky Way and nearby galaxies, the structure of the Milky Way disk and halo and other objects in the Local Volume, transient and variable objects both at low and high redshift, and the properties of normal and active galaxies at low and high redshift. It then turns to far-field cosmological topics, exploring properties of supernovae to z~1, strong and weak lensing, the large-scale distribution of galaxies and baryon oscillations, and how these different probes may be combined to constrain cosmological models and the physics of dark energy.Comment: 596 pages. Also available at full resolution at http://www.lsst.org/lsst/sciboo

    A novel a-L-Arabinofuranosidase of Family 43 Glycoside Hydrolase (Ct43Araf ) from Clostridium thermocellum

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    Articles in International JournalsThe study describes a comparative analysis of biochemical, structural and functional properties of two recombinant derivatives from Clostridium thermocellum ATCC 27405 belonging to family 43 glycoside hydrolase. The family 43 glycoside hydrolase encoding a-L-arabinofuranosidase (Ct43Araf) displayed an N-terminal catalytic module CtGH43 (903 bp) followed by two carbohydrate binding modules CtCBM6A (405 bp) and CtCBM6B (402 bp) towards the C-terminal. Ct43Araf and its truncated derivative CtGH43 were cloned in pET-vectors, expressed in Escherichia coli and functionally characterized. The recombinant proteins displayed molecular sizes of 63 kDa (Ct43Araf) and 34 kDa (CtGH43) on SDS-PAGE analysis. Ct43Araf and CtGH43 showed optimal enzyme activities at pH 5.7 and 5.4 and the optimal temperature for both was 50uC. Ct43Araf and CtGH43 showed maximum activity with rye arabinoxylan 4.7 Umg21 and 5.0 Umg21, respectively, which increased by more than 2-fold in presence of Ca2+ and Mg2+ salts. This indicated that the presence of CBMs (CtCBM6A and CtCBM6B) did not have any effect on the enzyme activity. The thin layer chromatography and high pressure anion exchange chromatography analysis of Ct43Araf hydrolysed arabinoxylans (rye and wheat) and oat spelt xylan confirmed the release of L-arabinose. This is the first report of a-L-arabinofuranosidase from C. thermocellum having the capacity to degrade both pnitrophenol- a-L-arabinofuranoside and p-nitrophenol-a-L-arabinopyranoside. The protein melting curves of Ct43Araf and CtGH43 demonstrated that CtGH43 and CBMs melt independently. The presence of Ca2+ ions imparted thermal stability to both the enzymes. The circular dichroism analysis of CtGH43 showed 48% b-sheets, 49% random coils but only 3% a-helices
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