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https://www.readbyqxmd.com/read/28882440/determinants-of-under-immunization-and-cumulative-time-spent-under-immunized-in-a-quebec-cohort
#1
Shauna O'Donnell, Eve Dubé, Bruce Tapiero, Arnaud Gagneur, Margaret K Doll, Caroline Quach
BACKGROUND: Under-immunization refers to a state of sub-optimal protection against vaccine preventable diseases. Vaccine coverage for age may not capture intentional or non-intentional spacing of vaccines in the recommended provincial immunization guidelines. We aimed to identify factors associated with coverage and under-immunization and to determine the number of days during which children were under-immunized during their first 24months of life. METHODS: Secondary analysis of children ≤3years recruited through active surveillance for gastroenteritis from three Quebec pediatric emergency departments from 2012 to 2014...
September 4, 2017: Vaccine
https://www.readbyqxmd.com/read/28863562/uniform-theory-of-diffraction-utd-based-solution-for-sound-diffraction-caused-by-an-array-of-obstacles
#2
José-Víctor Rodríguez, Juan Pascual-García, María-Teresa Martínez-Inglés, Jose-Maria Molina-Garcia-Pardo, Leandro Juan-Llácer
A formulation based on the uniform theory of diffraction (UTD) for the analysis of the multiple-diffraction of a spherical sound wave caused by a series of wedges or knife-edges is hereby presented. The receiver location has to be considered at the same height as the preceding obstacles and at the same inter-obstacle distance from the last wedge. The solution, which is based on a UTD-physical optics formulation for radio-wave multiple-diffraction and has been validated through comparison with a geometrical theory of diffraction acoustic model, is computationally more efficient than other existing methods thanks to the fact that only single diffractions are involved in the calculations (high-order diffraction terms are not considered in the diffraction coefficients), thus allowing for the consideration of a great number of obstacles...
August 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28817573/network-representations-of-angular-regions-for-electromagnetic-scattering
#3
Vito G Daniele, Guido Lombardi, Rodolfo S Zich
Network modeling in electromagnetics is an effective technique in treating scattering problems by canonical and complex structures. Geometries constituted of angular regions (wedges) together with planar layers can now be approached with the Generalized Wiener-Hopf Technique supported by network representation in spectral domain. Even if the network representations in spectral planes are of great importance by themselves, the aim of this paper is to present a theoretical base and a general procedure for the formulation of complex scattering problems using network representation for the Generalized Wiener Hopf Technique starting basically from the wave equation...
2017: PloS One
https://www.readbyqxmd.com/read/28708945/methods-used-for-immunization-coverage-assessment-in-canada-a-canadian-immunization-research-network-cirn-study
#4
Sarah E Wilson, Susan Quach, Shannon E MacDonald, Monika Naus, Shelley L Deeks, Natasha S Crowcroft, Salaheddin M Mahmud, Dat Tran, Jeff Kwong, Karen Tu, Nicolas L Gilbert, Caitlin Johnson, Shalini Desai
Accurate and complete immunization data are necessary to assess vaccine coverage, safety and effectiveness. Across Canada, different methods and data sources are used to assess vaccine coverage, but these have not been systematically described. Our primary objective was to examine and describe the methods used to determine immunization coverage in Canada. The secondary objective was to compare routine infant and childhood coverage estimates derived from the Canadian 2013 Childhood National Immunization Coverage Survey (cNICS) with estimates collected from provinces and territories (P/Ts)...
August 3, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28669586/long-term-outcomes-of-cutaneous-vesicostomy-in-patients-with-neuropathic-bladder-caused-by-spina-bifida
#5
M İrfan Dönmez, Alonso Carrasco, Amanda F Saltzman, Vijaya Vemulakonda, Duncan T Wilcox
OBJECTIVE: To evaluate the outcomes of patients who underwent cutaneous vesicostomy for management of neuropathic bladder secondary to spina bifida. We hypothesize that vesicostomy, in select patients, is beneficial to prevent upper urinary tract deterioration (UTD), reduce febrile urinary tract infections (UTIs), and preserve renal function. STUDY DESIGN: We performed a retrospective chart review on patients with spina bifida who underwent cutaneous vesicostomy at our institution between 2000 and 2016...
June 16, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28644810/action-recognition-using-3d-histograms-of-texture-and-a-multi-class-boosting-classifier
#6
Baochang Zhang, Yun Yang, Chen Chen, Linlin Yang, Jungong Han, Ling Shao
Human action recognition is an important yet challenging task. This paper presents a low-cost descriptor called 3D histograms of texture (3DHoTs) to extract discriminant features from a sequence of depth maps. 3DHoTs are derived from projecting depth frames onto three orthogonal Cartesian planes, i.e., the frontal, side, and top planes, and thus compactly characterize the salient information of a specific action, on which texture features are calculated to represent the action. Besides this fast feature descriptor, a new multi-class boosting classifier (MBC) is also proposed to efficiently exploit different kinds of features in a unified framework for action classification...
October 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28592391/long-term-fate-of-the-upper-tracts-following-complete-primary-repair-of-bladder-exstrophy
#7
Jonathan S Ellison, Jennifer Ahn, Margarett Shnorhavorian, Richard Grady, Paul A Merguerian
INTRODUCTION: Complete primary repair of bladder exstrophy (CPRE) is widely used for classic bladder exstrophy (CBE) closure. Long-term renal function with or without dilation in these patients is poorly characterized and may be impacted by bladder storage parameters or recurrent urinary tract infections (UTIs). OBJECTIVE: We sought to assess our long-term experience with CPRE and investigate factors that may influence upper-tract deterioration. STUDY DESIGN: A retrospective review of patients at our institution with CBE undergoing CPRE from 1990 to 2015 was performed...
May 17, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28501752/effects-of-dust-formaldehyde-and-delayed-feeding-on-early-postnatal-development-of-broiler-chickens
#8
Pieter de Gouw, Lotte J F van de Ven, Sander Lourens, Bas Kemp, Henry van den Brand
We investigated effects of perinatal exposure to dust or formaldehyde and the moment of first feed intake after hatching on broiler chicken development during the first week of life. Four environmental treatments were used from 468 until 512h of incubation: control (CONT), heat treated dust (HTD), untreated dust (UTD) or formaldehyde disinfection (FORM). After hatching, all chickens were assigned to 1 of 2 feeding treatments: early feeding (EF; feed and water available in the hatcher) or delayed feeding (DF)...
May 4, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28499796/the-antenatal-urinary-tract-dilation-classification-system-accurately-predicts-severity-of-kidney-and-urinary-tract-abnormalities
#9
C D W Kaspar, M Lo, T E Bunchman, N Xiao
BACKGROUND: Urinary tract dilation (UTD) is a commonly diagnosed prenatal condition; however, it is currently unknown which features lead to benign and resolving or pathologic abnormalities. A consensus UTD classification system (antenatal UTD classification, UTD-A) was created by Nguyen et al. in 2014 [1], but has not yet been validated. OBJECTIVE: To evaluate the ability of the UTD-A system to identify kidney and urinary tract (KUT) abnormalities, assess whether UTD-A can predict severity of KUT conditions, and perform a cost analysis of screening ultrasound (US)...
April 21, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28469433/using-spatial-analysis-to-inform-community-immunization-strategies
#10
REVIEW
Moises E Maravi, Lauren E Snyder, L Dean McEwen, Kathryn DeYoung, Arthur J Davidson
INTRODUCTION: Recent pertussis outbreaks in the United States suggest our response to local disease outbreaks (eg, vaccine-preventable Bordetella pertussis) may benefit from understanding and applying spatial analytical methods that use data from immunization information systems at a subcounty level. METHODS: A 2012 study on Denver, CO, residents less than 19 years of age confirmed pertussis cases and immunization information system records were geocoded and aggregated to the census tract (CT) level...
2017: Biomedical Informatics Insights
https://www.readbyqxmd.com/read/28385450/predictors-of-upper-tract-damage-in-pediatric-neurogenic-bladder
#11
Raghu Prakash, Archana Puri, Rama Anand, Ajay K Jain, Brahmanand Lal, Vaibhav Garg
INTRODUCTION: Upper tract damage (UTD) is a life-threatening complication of neurogenic bladder (NB). Early identification of risk factors for UTD and institution of remedial measures may probably prevent UTD. The aim was to study the predictors of UTD in children 2 years or older with NB. METHOD: This cross-sectional, observational study over 2 years included 30 children. UTD was defined as serum creatinine of >1 mg/dL or society of fetal urology grade III-IV hydronephrosis or hydroureteronephrosis on ultrasonography or renal scars on (99)(m)technetium dimercaptosuccinic scan or subnormal glomerular filtration rate (GFR) for age...
March 22, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28383344/effects-of-california-assembly-bill-2109-in-low-vaccination-rate-counties-are-we-looking-at-the-right-variables
#12
Cody Rosentrater, Tracy L Finlayson, K Michael Peddecord
OBJECTIVES: California Assembly Bill 2109 (AB2109) was passed in 2012 and restricted the obtainment of personal belief exemptions (PBEs) for vaccination requirements for school-aged children. This study examined changes in up-to-date (UTD) vaccination rates, PBEs, and conditionally accepted students (CASs) at 3 time points. The study also examined the association of PBEs and CASs on county and school immunization rates. DESIGN: This study utilized 6 academic years of immunization data from all kindergartens in California from 2010-2011 to 2015-2016...
April 4, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28277088/do-changes-in-socio-demographic-characteristics-impact-up-to-date-immunization-status-between-3-and-24-months-of-age-a-prospective-study-among-an-inner-city-birth-cohort-in-the-united-states
#13
Susmita Pati, Jiayu Huang, Angie Wong, Zeinab Baba, Svetlana Ostapenko, Alexander G Fiks, Avital Cnaan
INTRODUCTION: Low-income child populations remain under-vaccinated. Our objective was to determine differences in the relative importance of maternal health literacy and socio-demographic characteristics that often change during early childhood on up-to-date (UTD) immunization status among a low-income population. METHODS: We performed secondary data analysis of a longitudinal prospective cohort study of 744 Medicaid-eligible mother-infant dyads recruited at the time of the infant's birth from an inner-city hospital in the United States and surveyed every 6 months for 24 months...
May 4, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28215834/time-to-resolution-a-prospective-evaluation-from-the-society-for-fetal-urology-hydronephrosis-registry
#14
R S Zee, C D Anthony Herndon, C S Cooper, C Kim, P H McKenna, A Khoury, K W Herbst
INTRODUCTION: The resolution rate of prenatal urinary tract dilation (UTD) has been documented in several retrospective studies. The present study analyzed prospective observational registry data, with the aim of determining time to resolution among patients prenatally identified with mild postnatal UTD. MATERIALS AND METHODS: A total of 248 subjects, from four centers, were prospectively enrolled from 2008 to 2015. Exclusion criteria included other anomalies (n = 69), fewer than two ultrasounds, and/or <3 months follow-up (n = 26)...
January 19, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28111223/parenchyma-to-hydronephrosis-area-ratio-is-a-promising-outcome-measure-to-quantify-upper-tract-changes-in-infants-with-high-grade-prenatal-hydronephrosis
#15
Mandy Rickard, Armando J Lorenzo, Luis H Braga, Caroline Munoz
OBJECTIVE: To explore the value of renal parenchyma-to-hydronephrosis area ratio (PHAR) in detecting trends of hydronephrosis (HN) improvement or worsening and response to surgical intervention. METHODS: Initial and follow-up sagittal renal ultrasound images of patients entered into a prenatal HN database from 2008 to 2016, with baseline Society for Fetal Urology (SFU) grades III and IV HN and without vesicoureteral reflux, were evaluated using National Institutes of Health-sponsored image-processing software...
June 2017: Urology
https://www.readbyqxmd.com/read/27916713/prognostic-value-of-ultrasound-grading-systems-in-prenatally-diagnosed-unilateral-urinary-tract-dilatation
#16
Aurélien Scalabre, Delphine Demède, Ségolène Gaillard, Jean-Pierre Pracros, Pierre Mouriquand, Pierre-Yves Mure
PURPOSE: We compared the prognostic value of anteroposterior intrasinus diameter of the renal pelvis, urinary tract dilatation and the Society for Fetal Urology grading system in children with prenatally diagnosed unilateral urinary tract dilatation. MATERIALS AND METHODS: All newborns with prenatally diagnosed unilateral urinary tract dilatation, normal bladder and anteroposterior intrasinus diameter 10 mm or greater on the first postnatal ultrasonography were prospectively enrolled from January 2011 to February 2015...
December 1, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27916387/six-of-one-half-a-dozen-of-the-other-a%C3%A2-measure-of-multidisciplinary-inter-intra-rater-reliability-of-the-society-for-fetal-urology-and-urinary-tract-dilation-grading-systems-for-hydronephrosis
#17
Mandy Rickard, Bethany Easterbrook, Soojin Kim, Forough Farrokhyar, Nina Stein, Steven Arora, Vladamir Belostotsky, Jorge DeMaria, Armando J Lorenzo, Luis H Braga
INTRODUCTION: The urinary tract dilation (UTD) classification system was introduced to standardize terminology in the reporting of hydronephrosis (HN), and bridge a gap between pre- and postnatal classification such as the Society for Fetal Urology (SFU) grading system. Herein we compare the intra/inter-rater reliability of both grading systems. MATERIALS AND METHODS: SFU (I-IV) and UTD (I-III) grades were independently assigned by 13 raters (9 pediatric urology staff, 2 nephrologists, 2 radiologists), twice, 3 weeks apart, to 50 sagittal postnatal ultrasonographic views of hydronephrotic kidneys...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27913163/centralized-reminder-recall-to-increase-immunization-rates-in-young-children-how-much-bang-for-the-buck
#18
Allison Kempe, Alison W Saville, Brenda Beaty, L Miriam Dickinson, Dennis Gurfinkel, Sheri Eisert, Heather Roth, Diana Herrero, Lynn Trefren, Rachel Herlihy
OBJECTIVES: We compared effectiveness and cost-effectiveness of: 1) centralized reminder/recall (C-R/R) using the Colorado Immunization Information System (CIIS) versus practice-based reminder/recall (PB-R/R) approaches to increase immunization rates; 2) different levels of C-R/R intensity; and 3) C-R/R with versus without the name of the child's provider. METHODS: We conducted 3 sequential cluster-randomized trials involving children 19-25 months in 15 Colorado counties in 3/2013 (trial 1), 10/2013 (trial 2), and 5/2014 (trial 3)...
November 29, 2016: Academic Pediatrics
https://www.readbyqxmd.com/read/27725992/conversion-and-reliability-of-two-urological-grading-systems-in-infants-the-society-for-fetal-urology-and-the-urinary-tract-dilatation-classifications-system
#19
Miran Han, Hyun Gi Kim, Jung-Dong Lee, Seon Young Park, Young Keun Sur
BACKGROUND: The urinary tract dilation (UTD) classification system was proposed in 2014. OBJECTIVE: To evaluate the correspondence and reliability of two US grading systems for postnatal urinary tract dilatation in infants: the Society for Fetal Urology (SFU) and the UTD systems. MATERIALS AND METHODS: We assessed 180 kidneys in infants younger than 1 year. Four radiologists assessed the kidneys twice using both the SFU system (grades 0 to 4) and the UTD system (grades normal, P1, P2, P3)...
January 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/27713070/renal-parenchyma-to-hydronephrosis-area-ratio-phar-as-a-predictor-of-future-surgical-intervention-for-infants-with-high-grade-prenatal-hydronephrosis
#20
Mandy Rickard, Armando J Lorenzo, Luis H Braga
OBJECTIVE: To explore the potential value of an objective assessment, renal parenchyma to hydronephrosis area ratio (PHAR), as an early predictor of surgery. METHODS: Initial sagittal renal ultrasound (US) images of patients prospectively entered into a prenatal hydronephrosis database from January 2008 to January 2016 with baseline Society for Fetal Urology (SFU) grades III and IV prenatal hydronephrosis, without vesicoureteral reflux, were evaluated using the National Institutes of Health-sponsored image processing software...
October 3, 2016: Urology
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