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https://www.readbyqxmd.com/read/28429965/bayesian-sem-for-specification-search-problems-in-testing-factorial-invariance
#1
Dexin Shi, Hairong Song, Xiaolan Liao, Robert Terry, Lori A Snyder
Specification search problems refer to two important but under-addressed issues in testing for factorial invariance: how to select proper reference indicators and how to locate specific non-invariant parameters. In this study, we propose a two-step procedure to solve these issues. Step 1 is to identify a proper reference indicator using the Bayesian structural equation modeling approach. An item is selected if it is associated with the highest likelihood to be invariant across groups. Step 2 is to locate specific non-invariant parameters, given that a proper reference indicator has already been selected in Step 1...
April 21, 2017: Multivariate Behavioral Research
https://www.readbyqxmd.com/read/28429581/nighttime-is-the-worst-time-parental-fear-of-hypoglycemia-in-young-children-with-type-1-diabetes
#2
Michelle A Van Name, Marisa E Hilliard, Claire T Boyle, Kellee M Miller, Daniel J DeSalvo, Barbara J Anderson, Lori M Laffel, Stephanie E Woerner, Linda A DiMeglio, William V Tamborlane
BACKGROUND: Fear of hypoglycemia is common in parents of young children with type 1 diabetes (T1D), but little is known about the specific fears that parents most often experience. Hypoglycemia fear has been associated with poorer glycemic control in older children, though not yet studied in a large cohort of very young children. MATERIALS AND METHODS: Parents of 549 children <7 years (mean 5.2 ± 1.2 years [19% <3 years]) with a mean diabetes duration of 2...
April 21, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28428283/regulatory-aspects-of-optical-methods-and-exogenous-targets-for-cancer-detection
#3
Willemieke S Tummers, Jason M Warram, Kiranya E Tipirneni, John Fengler, Paula Jacobs, Lalitha Shankar, Lori Henderson, Betsy Ballard, Brian W Pogue, Jamey P Weichert, Michael Bouvet, Jonathan Sorger, Christopher H Contag, John V Frangioni, Michael F Tweedle, James P Basilion, Sanjiv S Gambhir, Eben L Rosenthal
Considerable advances in cancer-specific optical imaging have improved the precision of tumor resection. In comparison to traditional imaging modalities, this technology is unique in its ability to provide real-time feedback to the operating surgeon. Given the significant clinical implications of optical imaging, there is an urgent need to standardize surgical navigation tools and contrast agents to facilitate swift regulatory approval. Because fluorescence-enhanced surgery requires a combination of both device and drug, each may be developed in conjunction, or separately, which are important considerations in the approval process...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427800/the-effect-of-optune%C3%A2-tumor-treating-fields-transducer-arrays-on-skin-radiation-dose-during-radiotherapy
#4
Edward Bender, Kevin Kozak, Steven Howard, Lori Hayes, John Bayouth, H Ian Robins
A Phase 3 clinical study demonstrated that the addition of 200kHz Tumor Treating Fields (TTF) to temozolomide in the post-radiation (RT) phase of therapy in newly diagnosed glioblastoma increases progression free and overall survival (resulting in FDA and European Union approval). Preclinical studies have demonstrated the ability of TTF to act as a radiosensitizer, suggesting concurrent TTF and RT may have clinical utility. The removal and replacement of TTF transducer arrays from the scalps of patients on a daily basis, i...
April 17, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28427379/novel-mutation-identified-in-severe-early-onset-tumor-necrosis-factor-receptor-associated-periodic-syndrome-a-case-report
#5
Suhas M Radhakrishna, Amy Grimm, Lori Broderick
BACKGROUND: Tumor Necrosis Factor Receptor-Associated Periodic Syndrome (TRAPS) is the second most common heritable autoinflammatory disease, typically presenting in pre-school aged children with fever episodes lasting 1-3 weeks. Systemic symptoms can include rash, myalgia, ocular inflammation, and serositis. CASE PRESENTATION: Here we report an unusual presentation of TRAPS in a 7 month old girl who presented with only persistent fever. She was initially diagnosed with incomplete Kawasaki Disease and received IVIG and infliximab; however, her fevers quickly recurred...
April 20, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28425183/associations-between-major-life-events-and-adherence-glycemic-control-and-psychosocial-characteristics-in-teens-with-type-1-diabetes
#6
Persis V Commissariat, Lisa K Volkening, Zijing Guo, Jessica L ElBach, Deborah A Butler, Lori M Laffel
AIMS: This cross-sectional study assessed the type of major life events occurring in a contemporary sample of teens with type 1 diabetes and the association between event frequency and demographic, diabetes management, and psychosocial characteristics. METHODS: Parents of 178 teens completed the Life Events Checklist to report major events teens had experienced in the last year: 42% experienced 0 to 1 event (n = 75), 32% experienced 2 to 3 events (n = 57), and 26% experienced 4+ events (n = 46)...
April 19, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28424066/short-term-exposure-to-pm2-5-and-vanadium-and-changes-in-asthma-gene-dna-methylation-and-lung-function-decrements-among-urban-children
#7
Kyung Hwa Jung, David Torrone, Stephanie Lovinsky-Desir, Matthew Perzanowski, Joshua Bautista, Jacqueline R Jezioro, Lori Hoepner, Jamie Ross, Frederica P Perera, Steven N Chillrud, Rachel L Miller
BACKGROUND: Both short and long-term exposure to traffic-related air pollutants have been associated with asthma and reduced lung function. We hypothesized that short-term indoor exposure to fine particulate matter <2.5 μm (PM2.5) and vanadium (V) would be associated with altered buccal cell DNA methylation of targeted asthma genes and decreased lung function among urban children in a nested subcohort of African American and Dominican children. METHODS: Six day integrated levels of air pollutants were measured from children's homes (age 9-14; n = 163), repeated 6 months later (n = 98)...
April 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28421863/a-meta-analysis-of-task-related-influences-in-prospective-memory-in-traumatic-brain-injury
#8
Daniela Wong Gonzalez, Lori Buchanan
Prospective memory is the ability to remember to do something in the future and it is essential to every-day functional independence. Traumatic brain injury is associated with frequent and persistent prospective memory deficits. This study presents a review and meta-analysis investigating the effects of task parameters on prospective memory performance of individuals with TBI. Individual studies using continuous behavioural measures of prospective memory with a sample of adults with TBI and matched controls were included...
April 19, 2017: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/28419683/geographical-differences-in-survival-of-dogs-with-non-hodgkin-lymphoma-treated-with-a-chop-based-chemotherapy-protocol
#9
H Wilson-Robles, C M Budke, T Miller, N Dervisis, A Novosad, Z Wright, D H Thamm, K Vickery, K Burgess, M Childress, J Lori, C Saba, S Rau, M Silver, G Post, K Reeds, S Gillings, S Schleis, T Stein, B Brugmann, C DeRegis, O Smrkovski, J Lawrence, T Laver
BACKGROUND: In humans geographical differences in the incidence and presentation of various cancers have been reported. However, much of this information has not been collected in veterinary oncology. AIM: The purpose of this study was to determine if a geographic difference in progression free survival exists for dogs with lymphoma treated within the US. MATERIALS AND METHODS: Medical records of 775 cases of canine lymphoma from 3 US regions (west, south and north), treated with CHOP chemotherapy, were retrospectively evaluated...
April 17, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28419568/the-influence-of-noninvasive-prenatal-testing-on-gestational-age-at-time-of-abortion-for-aneuploidy
#10
Sarah C Lassey, Emily S Reiff, Lori Dobson, Bryann Bromley, Louise Wilkins-Haug, Deborah Bartz, Sarah E Little
OBJECTIVE: To compare the gestational age at termination for trisomy 13, 18, or 21 (aneuploidy) before and after the introduction of noninvasive prenatal testing (NIPT). METHODS: A retrospective cohort of women undergoing termination for aneuploidy at two academic institutions and one private clinic. We compared two time periods: before and after the introduction of NIPT (2006-2011 and 2012-2014, respectively). Maternal demographics and clinical characteristics were abstracted from the medical record...
April 17, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28419203/selective-cutoff-reporting-in-studies-of-diagnostic-test-accuracy-a-comparison-of-conventional-and-individual-patient-data-meta-analyses-of-the-patient-health-questionnaire-9-depression-screening-tool
#11
Brooke Levis, Andrea Benedetti, Alexander W Levis, John P A Ioannidis, Ian Shrier, Pim Cuijpers, Simon Gilbody, Lorie A Kloda, Dean McMillan, Scott B Patten, Russell J Steele, Roy C Ziegelstein, Charles H Bombardier, Flavia de Lima Osório, Jesse R Fann, Dwenda Gjerdingen, Femke Lamers, Manote Lotrakul, Sonia R Loureiro, Bernd Löwe, Juwita Shaaban, Lesley Stafford, Henk C P M van Weert, Mary A Whooley, Linda S Williams, Karin A Wittkampf, Albert S Yeung, Brett D Thombs
In studies of diagnostic test accuracy, authors sometimes report results only for a range of cutoff points around data-driven "optimal" cutoffs. We assessed selective cutoff reporting in studies of the diagnostic accuracy of the Patient Health Questionnaire-9 (PHQ-9) depression screening tool. We compared conventional meta-analysis of published results only with individual-patient-data meta-analysis of results derived from all cutoff points, using data from 13 of 16 studies published during 2004-2009 that were included in a published conventional meta-analysis...
April 13, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28418004/host-determinants-of-expression-of-the-helicobacter-pylori-baba-adhesin
#12
Mary E Kable, Lori M Hansen, Cathy M Styer, Samuel L Deck, Olena Rakhimova, Anna Shevtsova, Kathryn A Eaton, Miriam E Martin, Pär Gideonsson, Thomas Borén, Jay V Solnick
Expression of the Helicobacter pylori blood group antigen binding adhesin A (BabA) is more common in strains isolated from patients with peptic ulcer disease or gastric cancer, rather than asymptomatic colonization. Here we used mouse models to examine host determinants that affect H. pylori BabA expression. BabA expression was lost by phase variation as frequently in WT mice as in RAG2-/- mice that do not have functional B or T cells, and in MyD88-/-, TLR2-/- and TLR4-/- mice that are defective in toll like receptor signaling...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28417646/cerebral-hemodynamic-assessment-and-neuroimaging-across-the-lifespan-in-sickle-cell-disease
#13
Lori C Jordan, Michael R DeBaun
Children and adults with sickle cell anemia (SCA) have a higher risk of strokes compared to age- and race-matched peers. Velocity in the middle cerebral or distal internal carotid artery as measured by transcranial Doppler ultrasound is a recognized method to identify children but not adults with SCA at high-risk for first stroke. For both children and adults with SCA that have had a stroke, no methods clearly identify individuals at highest risk of recurrent strokes or an initial silent stroke, the most common neurological injury...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28415643/new-transcriptional-based-insights-into-the-pathogenesis-of-desmoplastic-small-round-cell-tumors-dsrcts
#14
Tiziana Negri, Silvia Brich, Fabio Bozzi, Chiara V Volpi, Ambra V Gualeni, Silvia Stacchiotti, Loris De Cecco, Silvana Canevari, Annunziata Gloghini, Silvana Pilotti
To gain new insights into desmoplastic small round cell tumors (DSRCTs) by means of gene expression profiling (GEP). Formalin-fixed, paraffin-embedded surgical specimens obtained from seven pretreated DSRCT patients were interrogated using GEP complemented by immunohistochemistry, a cancer stem cell array, and miRNA in situ hybridisation, including the combined chimera modules miRNA-200/ZEB1 and miRNA-34/SLUG. The chimera modules divided the cases into three classes that respectively recapitulated the traits of mesenchymal epithelial reverse transition (MErT), epithelial mesenchymal transition (EMT), and hybrid/partial EMT...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414866/characterizing-the-outcomes-of-metastatic-papillary-renal-cell-carcinoma
#15
John Connor Wells, Frede Donskov, Anna P Fraccon, Felice Pasini, Georg A Bjarnason, Benoit Beuselinck, Jennifer J Knox, Sun Young Rha, Neeraj Agarwal, Isaac Alex Bowman, Jae-Lyun Lee, Sumanta K Pal, Sandy Srinivas, Douglas Scott Ernst, Ulka N Vaishampayan, Lori A Wood, Robin Simpson, Guillermo De Velasco, Toni K Choueiri, Daniel Y C Heng
Outcomes of metastatic papillary renal cell carcinoma (pRCC) patients are poorly characterized in the era of targeted therapy. A total of 5474 patients with metastatic renal cell carcinoma (mRCC) in the International mRCC Database Consortium (IMDC) were retrospectively analyzed. Outcomes were compared between clear cell (ccRCC; n = 5008) and papillary patients (n = 466), and recorded type I and type II papillary patients (n = 30 and n = 165, respectively). Overall survival (OS), progression-free survival (PFS), and overall response rate (ORR) favored ccRCC over pRCC...
April 16, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28414509/sleep-and-cognitive-functioning-in-childhood-ethnicity-socioeconomic-status-and-sex-as-moderators
#16
Lauren E Philbrook, J Benjamin Hinnant, Lori Elmore-Staton, Joseph A Buckhalt, Mona El-Sheikh
We examined children's sleep at age 9 as a predictor of developmental trajectories of cognitive performance from ages 9 to 11 years. The effects of sleep on cognition are not uniform and thus we tested race/ethnicity, socioeconomic status (SES), and sex as moderators of these associations. At the first assessment, 282 children aged 9.44 years (52% boys, 65% European American [EA], 35% African American [AA]) participated. Two more waves of data collection spaced 1 year apart followed. The majority of children (63%) were living at or below the poverty line...
April 17, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28414495/racial-discrimination-racial-identity-and-impostor-phenomenon-a-profile-approach
#17
Donte L Bernard, Lori S Hoggard, Enrique W Neblett
OBJECTIVES: This study examined the association between racial discrimination and the impostor phenomenon (IP) and the moderating influence of racial identity on this relationship. METHOD: One hundred fifty-seven African American college students (68% female; mean age = 18.63) completed measures of racial discrimination, racial identity, and IP during 2 waves of data collection. RESULTS: Utilizing latent profile analyses, 4 patterns of racial identity were identified: Undifferentiated, Multiculturalist, Race-Focused, and Humanist...
April 17, 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/28414033/counterpoint-are-advanced-practice-professionals-more-likely-to-achieve-better-tobacco-cessation-results-than-physicians-no
#18
EDITORIAL
Mario F Perez, Lori A Bastian, Cheryl Oncken
No abstract text is available yet for this article.
April 12, 2017: Chest
https://www.readbyqxmd.com/read/28414032/rebuttal-from-drs-perez-bastian-and-oncken
#19
EDITORIAL
Mario F Perez, Lori A Bastian, Cheryl Oncken
No abstract text is available yet for this article.
April 12, 2017: Chest
https://www.readbyqxmd.com/read/28411151/enabling-a-sustainable-and-prosperous-future-through-science-and-innovation-in-the-bioeconomy-at-agriculture-and-agri-food-canada
#20
REVIEW
Sara F Sarkar, Jacquelyne S Poon, Etienne Lepage, Lori Bilecki, Benoit Girard
Science and innovation are important components underpinning the agricultural and agri-food system in Canada. Canada's vast geographical area presents diverse, regionally specific requirements in addition to the 21st century agricultural challenges facing the overall sector. As the broader needs of the agricultural landscape have evolved and will continue to do so in the next few decades, there is a trend in place to transition towards a sustainable bioeconomy, contributing to reducing greenhouse gas emission and our dependency on non-renewable resources...
April 11, 2017: New Biotechnology
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