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https://www.readbyqxmd.com/read/27911327/anticholinergic-exposure-and-risk-of-pneumonia-in-persons-with-alzheimer-s-disease-a-nested-case-control-study
#1
Pasi Lampela, Anna-Maija Tolppanen, Antti Tanskanen, Jari Tiihonen, Sirpa Hartikainen, Heidi Taipale
BACKGROUND: Risk of pneumonia is increased in persons with Alzheimer's disease (AD). In some studies, anticholinergic drugs (AC) have been associated with an increased pneumonia risk. OBJECTIVE: We analyzed the risk of pneumonia associated with ACs in persons with AD. METHODS: We performed a nested case-control study using register-based data from a Finnish nationwide MEDALZ cohort including all community-dwelling persons diagnosed with AD during 2005-2011...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911152/non-tuberculous-mycobacterial-bloodstream-infections-in-patients-with-indwelling-vascular-catheters-the-role-of-sickle-cell-anaemia
#2
Babatunde Edun, Ansal Shah, Martin Durkin, Melanie Whitmire, Shanetta Patterson Williams, Helmut Albrecht, Majdi Al-Hasan, Sharon Weissman
INTRODUCTION: Few studies have examined risk factors for nontuberculous mycobacteria (NTM) bloodstream infections (BSI) involving indwelling vascular catheters (IDVC). Sickle cell anaemia (HbSS/SC) is known to affect several aspects of the immune system leading to relative immune deficiency. The purpose of this retrospective nested case-control study was to determine if HbSS/SC is a risk factor for NTM BSI among individuals with IDVCs. METHODS: All NTM IDVC infections (cases) at two tertiary hospitals from 2008 to 2014 were reviewed...
December 2, 2016: Infectious Diseases
https://www.readbyqxmd.com/read/27910944/thyroid-sclerosing-mucoepidermoid-carcinoma-with-eosinophilia-a-clinicopathologic-and-molecular-analysis-of-a-distinct-entity
#3
Akeesha A Shah, Kristin La Fortune, Caitlyn Miller, Stacey E Mills, Zubair Baloch, Virginia LiVolsi, Sanja Dacic, Alyssa L Mahaffey, Marina Nikiforova, Yuri E Nikiforov, Raja R Seethala
Sclerosing mucoepidermoid carcinoma with eosinophilia is a rare thyroid neoplasm of uncertain pathogenesis that resembles salivary gland mucoepidermoid carcinoma. This multi-institutional study characterizes the clinicopathologic and molecular features of this tumor by utilizing next-generation sequencing to assess common mutations and gene fusions involved in thyroid carcinogenesis as well as fluorescence in-situ hybridization for MAML2 translocations typical of salivary gland mucoepidermoid carcinoma. Nine cases (6 females and 3 males, mean age: 59 years, range 30-77 years) were identified...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27910852/kaleidoscopic-imaging-patterns-of-complex-structures-fabricated-by-laser-induced-deformation
#4
Haoran Zhang, Fengyou Yang, Jianjie Dong, Lena Du, Chuang Wang, Jianming Zhang, Chuan Fei Guo, Qian Liu
Complex surface structures have stimulated a great deal of interests due to many potential applications in surface devices. However, in the fabrication of complex surface micro-/nanostructures, there are always great challenges in precise design, or good controllability, or low cost, or high throughput. Here, we present a route for the accurate design and highly controllable fabrication of surface quasi-three-dimensional (quasi-3D) structures based on a thermal deformation of simple two-dimensional laser-induced patterns...
December 2, 2016: Nature Communications
https://www.readbyqxmd.com/read/27910166/anchored-multiplex-pcr-for-targeted-next-generation-sequencing-reveals-recurrent-and-novel-usp6-fusions-and-upregulation-of-usp6-expression-in-aneurysmal-bone-cyst
#5
Natalya V Guseva, Omar Jaber, Munir R Tanas, Aaron A Stence, Ramakrishna Sompallae, Jenna Schade, Allison N Fillman, Benjamin J Miller, Aaron D Bossler, Deqin Ma
Primary aneurysmal bone cyst (ABC) is a neoplastic process due to recurrent translocations involving the USP6 gene. By fluorescence in situ hybridization, up to 69% of primary ABCs harbored USP6 translocations; no USP6 translocation was found in secondary ABC or giant cell tumor of bone (GCT). GCT can recur locally, metastasize to the lungs in some cases, and rarely undergo malignant transformation. Differentiating primary ABC from its mimics is important for treatment and prognosis. We evaluated USP6 fusion and expression in 13 cases of primary and 1 case of secondary ABC, and 9 cases of GCT using nucleic acid extracted from formalin-fixed, paraffin-embedded tissue and a next generation sequencing (NGS)-based assay...
November 7, 2016: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/27910117/meta-analysis-of-standardised-mean-differences-from-randomised-trials-with-treatment-related-clustering-associated-with-care-providers
#6
Rebecca Walwyn, Chris Roberts
In meta-analyses, where a continuous outcome is measured with different scales or standards, the summary statistic is the mean difference standardised to a common metric with a common variance. Where trial treatment is delivered by a person, nesting of patients within care providers leads to clustering that may interact with, or be limited to, one or more of the arms. Assuming a common standardising variance is less tenable and options for scaling the mean difference become numerous. Metrics suggested for cluster-randomised trials are within, between and total variances and for unequal variances, the control arm or pooled variances...
December 1, 2016: Statistics in Medicine
https://www.readbyqxmd.com/read/27909951/contrasting-patterns-in-solitary-and-eusocial-bees-while-responding-to-landscape-features-in-the-brazilian-cerrado-a-multiscaled-perspective
#7
D P Silva, D S Nogueira, P De Marco
Landscape structure is an important determinant of biological fluxes and species composition, but species do not respond equally to landscape features or spatial extents. Evaluating "multi-scale" responses of species to landscape structure is an important framework to be considered, allowing insights about habitat requirements for different groups. We evaluated the response of Brazilian Cerrado's bees (eusocial vs. solitary ones) to both the amount and isolation of remnant vegetation in eight nested multiple-local scales...
December 1, 2016: Neotropical Entomology
https://www.readbyqxmd.com/read/27908663/communal-nesting-in-the-garden-dormouse-eliomys-quercinus
#8
Adrià Viñals, Sandro Bertolino, José Antonio Gil-Delgado
Communal nesting has been described in many rodents including some dormouse species. In this study, we report the existence of this reproductive strategy in the garden dormouse Eliomys quercinus. Data was recorded by checking natural nests and nest-boxes from 2003 to 2013 in SE Spain. Pups and adults dormice found in nests were captured and marked. Overall, 198 nests were found: 161 (81.31%) were singular nests and 37 (18.69%) were communal nests. Communal nests were composed by different combinations of one up to three females together with one up to three different size litters...
November 28, 2016: Behavioural Processes
https://www.readbyqxmd.com/read/27908545/association-between-fat-mass-and-bone-mineral-density-among-brazilian-women-differs-by-menopausal-status-the-pr%C3%A3-sa%C3%A3%C2%BAde-study
#9
Amina Chain, Marise Crivelli, Eduardo Faerstein, Flávia F Bezerra
OBJECTIVE: The aim of this study was to investigate the association between bone mineral density (BMD) and fat mass (FM) in a multiethnic population of Brazilian women and to evaluate the influence of total body mass and lean mass on this association. METHODS: This was a cross-sectional study nested within the Pro-Saúde Study, a prospective cohort of university civil servants in Rio de Janeiro. Participants were pre- (n = 100) and postmenopausal (n = 166) women...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27907265/conservation-hotspots-for-marine-turtle-nesting-in-the-united-states-based-on-coastal-development
#10
Mariana M P B Fuentes, Christian Gredzens, Brooke L Bateman, Ruth Boettcher, Simona A Ceriani, Matthew H Godfrey, David Helmers, Dianne K Ingram, Ruth L Kamrowski, Michelle Pate, Robert L Pressey, Volker C Radeloff
Coastal areas provide nesting habitat for marine turtles that is critical for the persistence of their populations. However, many coastal areas are highly affected by coastal development, which affects the reproductive success of marine turtles. Knowing the extent to which nesting areas are exposed to these threats is essential to guide management initiatives. This information is particularly important for coastal areas with both high nesting density and dense human development, a combination that is common in the United States...
December 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/27907106/brain-transcriptional-profiles-of-male-alternative-reproductive-tactics-and-females-in-bluegill-sunfish
#11
Charlyn G Partridge, Matthew D MacManes, Rosemary Knapp, Bryan D Neff
Bluegill sunfish (Lepomis macrochirus) are one of the classic systems for studying male alternative reproductive tactics (ARTs) in teleost fishes. In this species, there are two distinct life histories: parental and cuckolder, encompassing three reproductive tactics, parental, satellite, and sneaker. The parental life history is fixed, whereas individuals who enter the cuckolder life history transition from sneaker to satellite tactic as they grow. For this study, we used RNAseq to characterize the brain transcriptome of the three male tactics and females during spawning to identify gene ontology (GO) categories and potential candidate genes associated with each tactic...
2016: PloS One
https://www.readbyqxmd.com/read/27907089/detection-of-human-papillomavirus-infection-in-patients-with-vaginal-intraepithelial-neoplasia
#12
Cristina Lamos, Charlotte Mihaljevic, Sebastian Aulmann, Thomas Bruckner, Christoph Domschke, Markus Wallwiener, Carmen Paringer, Herbert Fluhr, Sarah Schott, Christine Dinkic, Janina Brucker, Michael Golatta, Lisa Gensthaler, Michael Eichbaum, Christof Sohn, Joachim Rom
INTRODUCTION: Vaginal intraepithelial neoplasia (VAIN) is a pre-malignant lesion, potentially leading to vaginal cancer. It is a rare disease, representing less than 1% of all intraepithelial neoplasia of the female genital tract. Similar to cervical intraepithelial neoplasia (CIN), there are three different grades of VAIN. VAIN 1 is also known as a low-grade squamous intraepithelial lesion (LSIL), whereas VAIN 2 and VAIN 3 both represent high-grade squamous intraepithelial lesions (HSIL)...
2016: PloS One
https://www.readbyqxmd.com/read/27906611/on-evaluation-of-reliability-repeatability-and-reproducibility-of-instrumental-evaluation-methods-and-measurement-systems
#13
Samir Salah, Shein-Chung Chow, Fuyu Song
Validation of instrumental evaluation methods or measurement systems plays an important role in both pharmaceutical and cosmetic research and development. In practice, it is suggested that validation should be done according to performance characteristics as described in the United States Pharmacopedia and National Formulary (USP/NF, 2000) for analytical methods validation. A validated method or measurement system is expected to achieve a certain degree of accuracy and reliability. However, it is a concern whether the test results obtained are repeatable (with similar test samples) and/or reproducible (under similar but slightly different experimental conditions)...
December 1, 2016: Journal of Biopharmaceutical Statistics
https://www.readbyqxmd.com/read/27905981/correlates-of-meal-skipping-in-young-adults-a-systematic-review
#14
REVIEW
Felicity J Pendergast, Katherine M Livingstone, Anthony Worsley, Sarah A McNaughton
BACKGROUND: Meal skipping rates may be highest during young adulthood, a period of transition and development. Although these dietary behaviours may increase future risk of chronic disease, limited research has investigated correlates of meal skipping in young adults. METHODS: A systematic literature search was conducted to identify studies that investigated correlates of meal skipping behaviours in young adults (aged 18-30 years). EBSCO host, MEDLINE Complete, Global Health, Scopus, EMBASE, Web of Science and Informit platforms were searched for eligible articles...
December 1, 2016: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/27905621/-parechovirus-as-etiologic-agent-of-meningitis-and-or-sepsis-like-illness-in-infants
#15
Valentina Gutiérrez, Constanza Martínez-Valdebenito, Luisa Montecinos, Romina Alarcón, Constanza Gárate, Marcela Ferrés
INTRODUCTION: Human parechovirus (HPeV) belongs to the Picornaviridae family and has been described in viral meningoencephalitis and sepsis like illness in infants. Until now, 16 genotypes have been recognized, the most common are HPEV 1, 2 and 3; type 3 is most severe. AIMS: To estimate the frequency of HPEV etiology in viral meningoencephalitis and sepsis in infants and characterize clinical and molecular aspects of infection. METHODS: Between October 2013 and March 2015 we collected CSF samples, plasma, nasopharyngeal swabs and/or stools of patients younger than two years with suspected sepsis and/or viral meningitis...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27905056/principal-covariates-clusterwise-regression-pccr-accounting-for-multicollinearity-and-population-heterogeneity-in-hierarchically-organized-data
#16
Tom Frans Wilderjans, Eva Vande Gaer, Henk A L Kiers, Iven Van Mechelen, Eva Ceulemans
In the behavioral sciences, many research questions pertain to a regression problem in that one wants to predict a criterion on the basis of a number of predictors. Although in many cases, ordinary least squares regression will suffice, sometimes the prediction problem is more challenging, for three reasons: first, multiple highly collinear predictors can be available, making it difficult to grasp their mutual relations as well as their relations to the criterion. In that case, it may be very useful to reduce the predictors to a few summary variables, on which one regresses the criterion and which at the same time yields insight into the predictor structure...
November 30, 2016: Psychometrika
https://www.readbyqxmd.com/read/27904972/the-influence-of-preoperative-symptoms-on-the-death-of-patients-with-small-intestinal-neuroendocrine-tumors
#17
John Eriksson, Hans Garmo, Per Hellman, Catharina Ihre-Lundgren
BACKGROUND: Small intestinal neuroendocrine tumors (SI-NETs) are uncommon tumors with an annual incidence of about 1 per 100,000. Usually, SI-NETs have a slow progression, and patients often present with generalized disease. Many patients do well, and the disease has a relatively favorable 5-year survival rate. Some SI-NETs, however, have a more negative prognosis. This study aimed to establish prognostic factors for death identifiable at primary surgery. METHODS: A nested case-control study investigated 1150 patients from the cohort of all patients with a diagnosis of SI-NETs in Sweden between 1961 and 2001...
November 30, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27904643/effects-of-nesting-and-swaddling-on-the-sleep-duration-of-premature-infants-hospitalized-in-neonatal-intensive-care-units
#18
Zahra Abdeyazdan, Maryam Mohammadian-Ghahfarokhi, Zohreh Ghazavi, Majid Mohammadizadeh
BACKGROUND: In neonatal intensive care unit (NICU), neonatal sleep is disrupted due to different factors. Due to the critical role of sleep in premature infants' brain development, this study aimed to investigate the effect of nesting and swaddling on the sleep duration of premature infants hospitalized in NICUs. MATERIALS AND METHODS: In a crossover clinical trial, 42 preterm infants who met the inclusion criteria were enrolled. They were randomly assigned to two groups of nest-swaddle and swaddle-nest...
September 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27904052/recent-advances-in-the-diagnosis-of-pneumocystis-pneumonia
#19
Yinggai Song, Yi Ren, Xiaowen Wang, Ruoyu Li
Pneumocystis jirovecii is a prototypical opportunistic pathogen, causing an asymptomatic or mild infection in normal hosts and fulminating pneumonia (Pneumocystis pneumonia, PCP) in immunocompromised hosts. PCP is a leading cause of morbidity and mortality in immunocompromised patients such as AIDS patients. Microscopic detection of cysts and trophic forms of P. jirovecii in respiratory secretions is simple and useful but may underestimate the P. jirovecii infection. Conventional polymerase chain reaction (PCR) and nested PCR increase the sensitivity and specificity to identify PCP and provide an approach to discriminate PCP from pulmonary P...
2016: Medical Mycology Journal
https://www.readbyqxmd.com/read/27904027/retinal-vascular-changes-and-prospective-risk-of-disabling-dementia-the-circulatory-risk-in-communities-study-circs
#20
Hiroshige Jinnouchi, Akihiko Kitamura, Kazumasa Yamagishi, Masahiko Kiyama, Hironori Imano, Takeo Okada, Renzhe Cui, Mitsumasa Umesawa, Isao Muraki, Mina Hayama-Terada, Ryo Kawasaki, Tomoko Sankai, Tetsuya Ohira, Hiroyasu Iso
AIM: To investigate the association of retinal vascular changes with a risk of dementia in longitudinal population-based study. METHODS: We performed a nested case-control study of 3,718 persons, aged 40-89 years, enrolled between 1983 and 2004. Retinal vascular changes were observed in 351 cases with disabling dementia (average period before the onset, 11.2 years) and in 702 controls matched for sex, age, and baseline year. Incidence of disabling dementia was defined as individuals who received cares for disabilities including dementia-related symptoms and/or behavioral disturbance...
December 1, 2016: Journal of Atherosclerosis and Thrombosis
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