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https://www.readbyqxmd.com/read/29349269/fertility-behaviors-in-south-korea-and-their-association-with-ultrasound-prenatal-sex-screening
#1
Jinkook Lee, James P Smith
Imbalances in the sex ratio at birth in Southeast and East Asia increased especially after the mid-1980s. We study how ultrasonic technology affected sex ratios at birth in South Korea, a country with a strong son preference. Between 1985 and 1995 fetal screenings and abortion services were widely available, though not available in the years before, and prohibited in the years after. Using the 1985, 1995, and 2005 Census microdata, we examine changes in sex ratios of newborns by birth year. We then study periodic effects on the fertility stopping rule, using the 2006 Korean Longitudinal Study of Aging, which provides birth years for all children...
April 2018: SSM—Population Health
https://www.readbyqxmd.com/read/29347332/linear-and-nonlinear-market-correlations-characterizing-financial-crises-and-portfolio-optimization
#2
Alexander Haluszczynski, Ingo Laut, Heike Modest, Christoph Räth
Pearson correlation and mutual information-based complex networks of the day-to-day returns of U.S. S&P500 stocks between 1985 and 2015 have been constructed to investigate the mutual dependencies of the stocks and their nature. We show that both networks detect qualitative differences especially during (recent) turbulent market periods, thus indicating strongly fluctuating interconnections between the stocks of different companies in changing economic environments. A measure for the strength of nonlinear dependencies is derived using surrogate data and leads to interesting observations during periods of financial market crises...
December 2017: Physical Review. E
https://www.readbyqxmd.com/read/29347252/de-almeida-thouless-instability-in-short-range-ising-spin-glasses
#3
R R P Singh, A P Young
We use high-temperature series expansions to study the ±J Ising spin glass in a magnetic field in d-dimensional hypercubic lattices for d=5-8 and in the infinite-range Sherrington-Kirkpatrick (SK) model. The expansions are obtained in the variable w=tanh^{2}J/T for arbitrary values of u=tanh^{2}h/T complete to order w^{10}. We find that the scaling dimension Δ associated with the ordering-field h^{2} equals 2 in the SK model and for d≥6. However, in agreement with the work of Fisher and Sompolinsky [Phys...
July 2017: Physical Review. E
https://www.readbyqxmd.com/read/29346051/diagnosis-treatment-and-outcome-of-and-risk-factors-for-ophthalmic-disease-in-leopard-geckos-eublepharis-macularius-at-a-veterinary-teaching-hospital-52-cases-1985-2013
#4
K Tomo Wiggans, David Sanchez-Migallon Guzman, Christopher M Reilly, Claire Vergneau-Grosset, Philip H Kass, Steven R Hollingsworth
OBJECTIVE To describe diagnosis, treatment, and outcome of and risk factors for ophthalmic disease in leopard geckos (Eublepharis macularius) evaluated at a veterinary teaching hospital. DESIGN Retrospective case series. ANIMALS 112 of 144 (78%) leopard geckos that were evaluated at a veterinary teaching hospital in January 1985 through October 2013 and for which sufficient medical record information was available. PROCEDURES Information from medical records was used to identify leopard geckos with ophthalmic disease, characterize cases, and determine risk factors for the presence of ophthalmic disease...
February 1, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29343122/use-of-the-godin-leisure-time-exercise-questionnaire-in-multiple-sclerosis-research-a-comprehensive-narrative-review
#5
Elizabeth Morghen Sikes, Emma V Richardson, Katie J Cederberg, Jeffer E Sasaki, Brian M Sandroff, Robert W Motl
PURPOSE: The Godin Leisure-Time Exercise Questionnaire has been a commonly applied measure of physical activity in research among persons with multiple sclerosis over the past decade. This paper provides a comprehensive description of its application and inclusion in research on physical activity in multiple sclerosis. METHOD: This comprehensive, narrative review included papers that were published between 1985 and 2017, written in English, involved participants with multiple sclerosis as a primary population, measured physical activity, and cited one of the two original Godin papers...
January 17, 2018: Disability and Rehabilitation
https://www.readbyqxmd.com/read/29340577/lactation-duration-and-progression-to-diabetes-in-women-across-the-childbearing-years-the-30-year-cardia-study
#6
Erica P Gunderson, Cora E Lewis, Ying Lin, Mike Sorel, Myron Gross, Stephen Sidney, David R Jacobs, James M Shikany, Charles P Quesenberry
Importance: Lactation duration has shown weak protective associations with incident diabetes (3%-15% lower incidence per year of lactation) in older women based solely on self-report of diabetes, studies initiated beyond the reproductive period are vulnerable to unmeasured confounding or reverse causation from antecedent biochemical risk status, perinatal outcomes, and behaviors across the childbearing years. Objective: To evaluate the association between lactation and progression to diabetes using biochemical testing both before and after pregnancy and accounting for prepregnancy cardiometabolic measures, gestational diabetes (GD), and lifestyle behaviors...
January 16, 2018: JAMA Internal Medicine
https://www.readbyqxmd.com/read/29331749/paediatric-dysgerminoma-results-of-three-consecutive-french-germ-cell-tumours-clinical-studies-tgm-85-90-95-with-late-effects-study
#7
Gwénaëlle Duhil de Bénazé, Hélène Pacquement, Cécile Faure-Conter, Catherine Patte, Daniel Orbach, Nadège Corradini, Claire Berger, Hélène Sudour-Bonnange, Cécile Vérité, Hélène Martelli, Brice Fresneau
METHODS: French patients (≤18years) treated for dysgerminoma between 1985 and 2005 in TGM-85, 90, 95 protocols were included. Treatment was based on primary unilateral oophorectomy followed by prophylactic lymph node irradiation (1985-1998) or a wait-and-see strategy (1998-2005) for localised completely resected tumours (pS1) or by platinum-based chemotherapy for advanced diseases. RESULTS: Forty-eight patients (median age 12.8 years) were included. Six patients had gonadal dysgenesis...
January 10, 2018: European Journal of Cancer
https://www.readbyqxmd.com/read/29330590/a-meta-analysis-of-pesticide-loss-in-runoff-under-conventional-tillage-and-no-till-management
#8
Daniel Elias, Lixin Wang, Pierre-Andre Jacinthe
Global agricultural intensification has led to increased pesticide use (37-fold from 1960 to 2005) and soil erosion (14% since 2000). Conservation tillage, including no-till (NT), has been proposed as an alternative to conventional plow till (PT) to mitigate soil erosion, but past studies have reported mixed results on the effect of conservation tillage on pesticide loss. To explore the underlying factors of these differences, a meta-analysis was conducted using published data on pesticide concentration and load in agricultural runoff from NT and PT fields...
January 12, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29326775/a-systematic-review-on-the-prevalence-of-acute-myocardial-infarction-in-iran
#9
REVIEW
Jaber Mohseni, Toba Kazemi, Mahmood Hosseinzadeh Maleki, Hossein Beydokhti
In Iran, cardiovascular diseases are the most common causes of death. We aimed to perform a systematic review on the prevalence of acute myocardial infarction (AMI) in Iran based on Persian and English papers had been published from 1985 to 2015. Among 267 initially found articles, 142 were excluded; finally, a total number of 40 articles were found relevant which were reduced to 18. Smoking, hypertension, diabetes mellitus, and hypercholesterolemia were the most common risk factors for AMI. Premature MI prevalence was high in men, and smoking was the most common risk factor among young people...
October 2017: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/29322489/measurement-in-pediatric-epilepsy-self-management-a-critical-review
#10
REVIEW
Gigi Smith, Avani C Modi, Erica K Johnson, Ross Shegog, Joan K Austin, Janelle L Wagner
Given the paucity of information available regarding self-management, the aims of this paper are to synthesize the literature on factors associated with and measures to assess self-management in pediatric epilepsy. INCLUSION CRITERIA: youth birth to 18 years with a seizure disorder or an epilepsy diagnosis and/or their caregivers, published 1985-2014 in English, and conducted in countries with a very high human development index. The review was conducted in 6 phases: (1) identification of bibliographical search criteria and databases; (2) abstract assessment; (3) full article review; (4) organization of final citations into categories; (5) identification of predictors, potential mediators/moderators, and outcomes associated with self-management factors and categorization of factors as influences, processes, or behaviors across individual, family, community, and health care domains; and (6) critique of self-management instrument studies...
January 11, 2018: Epilepsia
https://www.readbyqxmd.com/read/29321896/how-much-of-the-invader-s-genetic-variability-can-slip-between-our-fingers-a-case-study-of-secondary-dispersal-of-poa-annua-on-king-george-island-antarctica
#11
Maciej Wódkiewicz, Katarzyna J Chwedorzewska, Piotr T Bednarek, Anna Znój, Piotr Androsiuk, Halina Galera
We studied an invasion of Poa annua on King George Island (Maritime Antarctic). The remoteness of this location, its geographic isolation, and its limited human traffic provided an opportunity to trace the history of an invasion of the species. Poa annua was recorded for the first time at H. Arctowski Polish Antarctic Station in the austral summer of 1985/6. In 2008/9, the species was observed in a new locality at the Ecology Glacier Forefield (1.5 km from "Arctowski"). We used AFLP to analyze the genetic differences among three populations of P...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29319917/nerve-sparing-cystectomy-has-a-beneficial-impact-on-urinary-continence-after-othotopic-bladder-substitution-which-becomes-even-more-apparent-over-time
#12
Marc A Furrer, Urs E Studer, Tobias Gross, Fiona C Burkhard, George N Thalmann, Daniel P Nguyen
OBJECTIVES: To analyse urinary continence in long-term survivors after cystectomy and orthotopic bladder substitute according to attempted nerve-sparing status. MATERIALS AND METHODS: We analysed 180 consecutive patients treated at our department between 1985 and 2007 who underwent cystectomy with orthotopic bladder substitution, and survived ≥10 years post-cystectomy. We stratified patients by attempted nerve-sparing status and evaluated continence outcomes using descriptive statistics and Cox proportional hazards regression models...
January 10, 2018: BJU International
https://www.readbyqxmd.com/read/29319662/historical-analysis-of-bibliometric-trends-in-the-journal-of-pediatric-orthopaedics-with-a-particular-focus-on-sex
#13
James P Fischer, Austin E Wininger, David C Scofield, Aamir Tucker, Ethan J Kacena-Merrell, Elizabeth C Whipple, Melissa A Kacena, Randall T Loder
BACKGROUND: Orthopaedics is the clinical discipline with the lowest percentage of female residents and faculty. Pediatric orthopaedics has a higher percentage of women than other orthopaedic subspecialties. It was the purpose of this study to examine bibliometric trends in the Journal of Pediatric Orthopaedics (JPO) with a specific focus on sex. METHODS: A bibliometeric analysis for the years 2015, 2005, 1995, 1985, 1981 was performed. The names of first and corresponding authors; corresponding author position; country of origin; number of institutions, countries, authors, printed pages, and references was tabulated...
January 6, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29317451/duration-of-diabetes-and-prediabetes-during-adulthood-and-subclinical-atherosclerosis-and-cardiac-dysfunction-in-middle-age-the-cardia-study
#14
Jared P Reis, Norrina B Allen, Michael P Bancks, J Jeffrey Carr, Cora E Lewis, Joao A Lima, Jamal S Rana, Samuel S Gidding, Pamela J Schreiner
OBJECTIVE: To determine whether the duration of diabetes and duration of prediabetes estimated during a 25-year period in early adulthood are each independently associated with coronary artery calcified plaque (CAC) and abnormalities in left ventricular structure and function later in life. RESEARCH DESIGN AND METHODS: Participants were 3,628 white and black adults aged 18-30 years without diabetes or prediabetes at baseline (1985-1986) in the Coronary Artery Risk Development in Young Adults (CARDIA) Study...
January 9, 2018: Diabetes Care
https://www.readbyqxmd.com/read/29316480/fine-structure-of-leptomyxa-ambigua-n-sp-ccap-1546-2-strain-formerly-known-as-rhizamoeba-flabellata-amoebozoa-tubulinea-leptomyxida
#15
Alexey Smirnov
The species Leptomyxa flabellata was described by Goodey in 1915 and re-isolated by Pussard and Pons in 1976. It seems that it was never seen (or never recognized) again since that time. The strain designated as "Leptomyxa flabellata CCAP 1546/2" was studied by Cann in 1984, however the quality of the electron microscopic images of that time was poor. Based on the cyst structure and size characters, Page in 1988 suggested that this strain is not co-specific with Goodey's Leptomyxa flabellata, but represents a species 'Ripidomyxa' australiensis Chakraborty and Pussard, 1985, nowadays known as Rhizamoeba australiensis...
December 13, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/29314574/incidence-of-childhood-onset-type-1-diabetes-in-western-australia-from-1985-to-2016-evidence-for-a-plateau
#16
Aveni Haynes, Max K Bulsara, Timothy W Jones, Elizabeth A Davis
OBJECTIVE: To determine the incidence of childhood type 1 diabetes mellitus (T1D) in Western Australia from 2011 to 2016, and to examine the temporal trends between 1985 and 2016. METHODS: An observational cohort study was undertaken of all children newly diagnosed with T1D aged 0 to 14 years in Western Australia from 1985 to 2016. Cases were identified from the Western Australian Children's Diabetes Database, a population-based diabetes register previously estimated to be >99% complete...
January 4, 2018: Pediatric Diabetes
https://www.readbyqxmd.com/read/29312854/antibiotic-bone-cement-s-effect-on-infection-rates-in-primary-and-revision-total-knee-arthroplasties
#17
Donald Kleppel, Jacob Stirton, Jiayong Liu, Nabil A Ebraheim
AIM: To compare infection rates in primary and revision total knee arthroplasty (TKA) procedures using antibiotic impregnated bone cement (AIBC) to those rates in procedures not using AIBC. METHODS: A systematic review and meta-analysis was conducted in search for randomized controlled trials/studies (RCTs) pertaining to the field of antibiotic AIBC vs non-AIBC groups in both primary and revision TKA procedures. The primary literature search performed was to identify all RCTs that assessed AIBC in primary and revision TKA procedures...
December 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29305829/meta-analysis-on-the-effect-of-aspirin-use-for-prevention-of-preeclampsia-on-placental-abruption-and-antepartum-hemorrhage
#18
REVIEW
Stephanie Roberge, Emmanuel Bujold, Kypros H Nicolaides
BACKGROUND: Impaired placentation in the first 16 weeks of pregnancy is associated with increased risk of subsequent development of preeclampsia, birth of small for gestational age neonates and placental abruption. Previous studies reported that prophylactic use of aspirin reduces the risk of preeclampsia and small for gestational age neonates with no significant effect on placental abruption. However, meta-analyses of randomized controlled trials examining the effect of aspirin in relation to gestational age at onset of therapy and dose of the drug reported that significant reduction in the risk of preeclampsia and small for gestational age neonates is achieved only if the onset of treatment is at ≤16 weeks of gestation and the daily dose of the drug is ≥100 mg...
January 3, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29305640/stem-cell-therapy-in-early-post-traumatic-talus-osteonecrosis
#19
Philippe Hernigou, Arnaud Dubory, Charles Henri Flouzat Lachaniette, Issam Khaled, Nathalie Chevallier, Helene Rouard
PURPOSE: Avascular necrosis of the talus is one of the most notable complications associated with talar neck fractures with frequent evolution of the osteonecrosis into a difficult arthrodesis. We tested whether the injection of bone marrow mesenchymal stem cells (MSCs) could improve the repair process of the osteonecrosis. MATERIAL AND METHODS: Forty-five early (without collapse) post-traumatic talus osteonecroses (group 1; study group) were treated between 1995 and 2012 with percutaneous injection of progenitor cells (autologous bone marrow concentrate from the iliac crest)...
January 5, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29303971/molecular-epidemiology-and-evolution-of-european-bat-lyssavirus-2
#20
REVIEW
Lorraine M McElhinney, Denise A Marston, Emma L Wise, Conrad M Freuling, Hervé Bourhy, Reto Zanoni, Torfinn Moldal, Engbert A Kooi, Antonie Neubauer-Juric, Tiina Nokireki, Thomas Müller, Anthony R Fooks
Bat rabies cases in Europe are mainly attributed to two lyssaviruses, namely European Bat Lyssavirus 1 (EBLV-1) and European Bat Lyssavirus 2 (EBLV-2). Prior to the death of a bat worker in Finland in 1985, very few bat rabies cases were reported. Enhanced surveillance in the two subsequent years (1986-1987) identified 263 cases (more than a fifth of all reported cases to date). Between 1977 and 2016, 1183 cases of bat rabies were reported, with the vast majority (>97%) being attributed to EBLV-1. In contrast, there have been only 39 suspected cases of EBLV-2, of which 34 have been confirmed by virus typing and presently restricted to just two bat species; Myotis daubentonii and Myotis dasycneme...
January 5, 2018: International Journal of Molecular Sciences
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