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https://www.readbyqxmd.com/read/28645088/risk-based-screening-combined-with-a-pcr-based-test-for-group-b-streptococci-diminishes-the-use-of-antibiotics-in-laboring-women
#1
Mohammed R Khalil, Niels Uldbjerg, Poul B Thorsen, Birgitte Henriksen, Jens K Møller
OBJECTIVE: To assess the performance of a polymerase chain reaction - group B streptococci test (PCR-GBS test) - in deciding antibiotic prophylaxis in term laboring women. STUDY DESIGN: In this observational study, we enrolled 902 unselected Danish term pregnant women. During labor, midwives obtained vaginal swabs that were used for both GBS cultures (reference standard) and for the PCR-GBS test. Furthermore, we recorded the presence of risk factors for EOGBS (Early Onset Group B Streptococcal disease): (1) Bacteriuria during current pregnancy, (2) Prior infant with EOGBS (3) Temperature above 38...
June 9, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28644069/concomitant-idiopathic-hypertrophic-spinal-pachymeningitis-and-guillain-barr%C3%A3-syndrome-in-a-patient-coincidence-or-a-triggering-mechanism
#2
Farouk Olubajo, Tatyana Yermakova, J Robin Highley, Vasileios Arzoglou
Idiopathic hypertrophic spinal pachymeningitis (IHSP), a rare diffuse inflammatory thickening of the dura mater, and Guillain-Barré syndrome (GBS) are known entities but they have never been reported as concomitant diagnoses. To their knowledge, the authors present the first reported case in the international literature with supportive evidence for both IHSP (based on MRI, intraoperative, and histological findings) and GBS (based on history, clinical examination, and electrophysiological findings). They review the literature on IHSP and the diagnostic criteria for GBS, with the view of identifying a possible causative connection...
June 23, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28639596/guillain-barre-syndrome-demographics-clinical-profile-seasonal-variation-in-a-tertiary-care-centre-of-central-india
#3
Manisha Shrivastava, Shah Nehal, Navaid Seema
BACKGROUND & OBJECTIVES: Guillain-Barre syndrome (GBS) is an autoimmune disease and a recognized cause of generalized progressive paralysis worldwide. The present study was aimed to document the clinical findings, demographics and seasonal variations amongst the patients with GBS during the hospital stay. METHODS: A retrospective analysis of 66 referred cases diagnosed as GBS was conducted. Medical records and the data related to age, sex, antecedent illness, duration of symptoms before admission, muscle power graded by the Medical Research Council scale, functional scores, details of Intensive Care Unit complications and need for ventilation were obtained...
February 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28638306/effect-of-maternal-obesity-on-maternal-fetal-transfer-of-preoperative-cefazolin-at-cesarean-section
#4
Stephanie McKenney Groff, Wareef Fallatah, Samuel Yang, Jamie Murphy, Christopher Crutchfield, Mark Marzinke, Joanne Kurtzberg, Carlton K K Lee, Irina Burd, Azadeh Farzin
OBJECTIVES: American Congress of Obstetricians and Gynecologists recommends a single dose of antibiotic prophylaxis before all cesarean sections (C/S). This recommendation is based on pharmacokinetic studies that include only non-obese patients. We sought to evaluate 1) cefazolin plasma concentrations among obese and non-obese patients after administration of a 2-g cefazolin dose for prevention of surgical wound infections, and 2) whether cefazolin concentration in fetal circulation may be protective against pathogens that cause early onset neonatal sepsis...
May 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28634462/gender-invariance-of-the-gambling-behavior-scale-for-adolescents-gbs-a-an-analysis-of-differential-item-functioning-using-item-response-theory
#5
Maria Anna Donati, Francesca Chiesi, Viola A Izzo, Caterina Primi
As there is a lack of evidence attesting the equivalent item functioning across genders for the most employed instruments used to measure pathological gambling in adolescence, the present study was aimed to test the gender invariance of the Gambling Behavior Scale for Adolescents (GBS-A), a new measurement tool to assess the severity of Gambling Disorder (GD) in adolescents. The equivalence of the items across genders was assessed by analyzing Differential Item Functioning within an Item Response Theory framework...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28633864/perinatal-group-b-streptococcal-infections-virulence-factors-immunity-and-prevention-strategies
#6
REVIEW
Jay Vornhagen, Kristina M Adams Waldorf, Lakshmi Rajagopal
Group B streptococcus (GBS) or Streptococcus agalactiae is a β-hemolytic, Gram-positive bacterium that is a leading cause of neonatal infections. GBS commonly colonizes the lower gastrointestinal and genital tracts and, during pregnancy, neonates are at risk of infection. Although intrapartum antibiotic prophylaxis during labor and delivery has decreased the incidence of early-onset neonatal infection, these measures do not prevent ascending infection that can occur earlier in pregnancy leading to preterm births, stillbirths, or late-onset neonatal infections...
June 17, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28631186/association-between-epidermal-growth-factor-receptor-amplification-and-adp-ribosylation-factor-1-methylation-in-human-glioblastoma
#7
Concha López-Ginés, Lara Navarro, Lisandra Muñoz-Hidalgo, Enrique Buso, José Manuel Morales, Rosario Gil-Benso, Mariela Gregori-Romero, Javier Megías, Pedro Roldán, Remedios Segura-Sabater, José Manuel Almerich-Silla, Daniel Monleón, Miguel Cerdá-Nicolás
PURPOSE: Glioblastoma (GB) is the most frequent and most malignant primary brain tumor in adults. Previously, it has been found that both genetic and epigenetic factors may play critical roles in its etiology and prognosis. In addition, it has been found that the epidermal growth factor receptor gene (EGFR) is frequently over-expressed and amplified in primary GBs. Here, we assessed the promoter methylation status of 10 genes relevant to GB and explored associations between these findings and the EGFR gene amplification status...
June 19, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28624908/development-and-validation-of-kasp-markers-for-the-greenbug-resistance-gene-gb7-and-the-hessian-fly-resistance-gene-h32-in-wheat
#8
Chor-Tee Tan, Hangjin Yu, Yan Yang, Xiangyang Xu, Mingshun Chen, Jackie C Rudd, Qingwu Xue, Amir M H Ibrahim, Lisa Garza, Shichen Wang, Mark E Sorrells, Shuyu Liu
Greenbug and Hessian fly are important pests that decrease wheat production worldwide. We developed and validated breeder-friendly KASP markers for marker-assisted breeding to increase selection efficiency. Greenbug (Schizaphis graminum Rondani) and Hessian fly [Mayetiola destructor (Say)] are two major destructive insect pests of wheat (Triticum aestivum L.) throughout wheat production regions in the USA and worldwide. Greenbug and Hessian fly infestation can significantly reduce grain yield and quality. Breeding for resistance to these two pests using marker-assisted selection (MAS) is the most economical strategy to minimize losses...
June 17, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28622535/vitamin-d-mediates-the-relationship-between-placental-cathelicidin-and-group-b-streptococcus-colonization-during-pregnancy
#9
Christine C Akoh, Eva K Pressman, Corrie M Whisner, Carrie Thomas, Chang Cao, Tera Kent, Elizabeth Cooper, Kimberly O O'Brien
Vitamin D is thought to modulate innate immune responses, and recent studies have highlighted the autocrine and paracrine functions of vitamin D in the placenta. Our objective was to determine the relationship between maternal vitamin D status and placental antimicrobial peptide (AMP) expression in a group of racially and ethnically diverse pregnant adolescents. In this study, 158 pregnant adolescents were recruited from the Rochester Adolescent Maternity Program (RAMP) in Rochester, NY. Maternal serum concentrations of the vitamin D biomarkers, 25-hydroxyvitamin D (25(OH)D) and 1,25-dihydroxyvitamin D (1,25(OH)2D), were measured at mid-gestation (∼26 weeks) and at delivery...
June 6, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28621047/clinical-value-of-polymerase-chain-reaction-in-detecting-group-b-streptococcus-during-labor
#10
Dorothea Maria Koppes, Antonius Arnoldus Cornelis Maria Vriends, Michiel van Rijn, Antonine Dimphne van Heesewijk
AIM: To reduce the intrapartum use of antibiotics in women with prolonged rupture of the membranes (PROM) by restriction of antibiotics to women who are colonized with group B streptococci (GBS), as identified with the Cepheid Gene Xpert polymerase chain reaction (PCR) for detecting GBS. METHODS: We conducted a randomized controlled trial among full-term delivering women with PROM. Fifty-four women were enrolled, based on a power calculation with a significance level of 5% and a power of 95%...
June 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28620398/genome-wide-association-study-of-grain-architecture-in-wild-wheat-aegilops-tauschii
#11
Sanu Arora, Narinder Singh, Satinder Kaur, Navtej S Bains, Cristobal Uauy, Jesse Poland, Parveen Chhuneja
Aegilops tauschii, the D-genome progenitor of Triticum aestivum, encompasses huge diversity for various traits of potential economic importance such as yield, biotic and abiotic stress tolerance, quality and nutrition. In the present study, variation for grain size in Ae. tauschii germplasm was studied and its genetic basis dissected using genome-wide association study (GWAS). Grain length, width, and weight evaluated in 177 Ae. tauschii accessions over 3 years showed near normal distribution with 1.74-, 1...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28619262/the-parkland-grading-scale-for-cholecystitis
#12
Tarik D Madni, David E Leshikar, Christian T Minshall, Paul A Nakonezny, Canon C Cornelius, Jonathan B Imran, Audra T Clark, Brian H Williams, Alexander L Eastman, Joseph P Minei, Herb A Phelan, Michael W Cripps
BACKGROUND: Gallbladders (GBs) with severe inflammation have longer operative times and an increased risk for complications. We propose a grading system using intraoperative images to better stratify GB inflammation. METHODS: After reviewing the intraoperative images of GBs obtained during several hundred laparoscopic cholecystectomies, we developed a five-tiered grading system based on anatomy and inflammatory changes. Fifty intraoperative photographs were taken prior to dissection and then distributed to 11 surgeons who rated each GB's severity per the grading system...
June 6, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28617719/guillain-barr%C3%A3-syndrome-and-zika-virus-outbreaks
#13
Osvaldo J M Nascimento, Ivan R F da Silva
PURPOSE OF REVIEW: Arboviruses have been associated with central and peripheral nervous system injuries, in special the flaviviruses. Guillain-Barré syndrome (GBS), transverse myelitis, meningoencephalitis, ophthalmological manifestations, and other neurological complications have been recently associated to Zika virus (ZIKV) infection. In this review, we aim to analyze the epidemiological aspects, possible pathophysiology, and what we have learned about the clinical and laboratory findings, as well as treatment of patients with ZIKV-associated neurological complications...
June 14, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28617561/cervicovaginal-bacteria-and-fungi-in-pregnant-diabetic-and-non-diabetic-women-a-multicenter-observational-cohort-study
#14
A Lukic, A Napoli, I Santino, P Bianchi, F Nobili, G Ciampittiello, M R Nardone, M Santomauro, M Di Properzio, D Caserta
OBJECTIVE: We evaluated the prevalence of cervicovaginal Bacteria, group B Streptococcus (GBS), Gardnerella vaginalis (GV), Candida spp., Chlamydia trachomatis (CT), Mycoplasma hominis (MH) and Ureaplasma urealyticum (UU) in pregnant women with and without diabetes mellitus (DM). PATIENTS AND METHODS: Cervicovaginal swabs were gathered from 473 pregnant patients divided into 127 diabetic and 346 non-diabetic. The results were correlated to gestational age, parity and glycemic control...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28615930/prevention-of-influenza-a-h7n9-and-bacterial-infections-in-mice-using-intranasal-immunization-with-live-influenza-vaccine-and-the-group-b-streptococcus-recombinant-polypeptides
#15
Yulia A Desheva, Galina F Leontieva, Tatiana A Kramskaya, Tatiana A Smolonogina, Kornelia B Grabovskaya, Galina O Landgraf, Vadim E Karev, Alexander N Suvorov, Larisa G Rudenko
We investigate the protective effect of combined vaccination based on live attenuated influenza vaccine (LAIV) and group B streptococcus (GBS) recombinant polypeptides against potential pandemic H7N9 influenza infection followed by GBS burden. Mice were intranasally immunized using 107 50% egg infectious dose (EID50) of H7N3 LAIV, the mix of the 4 GBS peptides (group B streptococcus vaccine [GBSV]), or combined LAIV + GBSV vaccine. The LAIV raised serum hemagglutination-inhibition antibodies against H7N9 in higher titers than against H7N3...
2017: Virology: Research and Treatment
https://www.readbyqxmd.com/read/28615470/identification-of-the-group-b-streptococcus-capsule-type-using-a-dual-phenotypic-genotypic-assay
#16
Areej Alhhazmi, Armaan Pandey, Gregory J Tyrrell
The Group B streptococcus (GBS) capsular polysaccharide (CPS) is an important virulence factor which is also used for GBS typing. There are 10 CPS types (Ia, Ib and II-IX). GBS that do not phenotypically type are considered non-typable. All genes required for CPS synthesis are found on the GBS cps operon, which contains a highly variable CPS-determining region (cpsG-cpsK).The objective of this study was development of an assay to detect sialic acid on the GBS cell surface followed by a genotypic PCR CPS typing assay...
June 14, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28612931/a-rating-scale-for-the-severity-of-guillain-barr%C3%A3-syndrome
#17
Z Guan, L Shang, W Zhang, Y Guo, Y Xue, X Li, Y Gong, X Liu
INTRODUCTION: The objective of this study was to develop a rating scale to assess the severity of Guillain-Barré syndrome (GBS). METHODS: The preliminary rating scale, which contained 11 items, was developed by the Delphi method, and data of 258 patients were collected to evaluate it. Item analysis was accomplished by 100 patients; the additional 158 patients were used to evaluate the reliability, validity, and discriminative ability of the rating scale. The structure of the rating scale was testified by the confirmatory factor analysis and also made a further evaluation by the correlation analysis...
June 14, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/28600722/genetic-dissection-of-plant-growth-habit-in-chickpea
#18
Hari D Upadhyaya, Deepak Bajaj, Rishi Srivastava, Anurag Daware, Udita Basu, Shailesh Tripathi, Chellapilla Bharadwaj, Akhilesh K Tyagi, Swarup K Parida
A combinatorial genomics-assisted breeding strategy encompassing association analysis, genetic mapping and expression profiling is found most promising for quantitative dissection of complex traits in crop plants. The present study employed GWAS (genome-wide association study) using 24,405 SNPs (single nucleotide polymorphisms) obtained with genotyping-by-sequencing (GBS) of 92 sequenced desi and kabuli accessions of chickpea. This identified eight significant genomic loci associated with erect (E)/semi-erect (SE) vs...
June 9, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/28600447/the-epidemiology-management-and-outcomes-of-bacterial-meningitis-in-infants
#19
Lynda Ouchenir, Christian Renaud, Sarah Khan, Ari Bitnun, Andree-Anne Boisvert, Jane McDonald, Jennifer Bowes, Jason Brophy, Michelle Barton, Joseph Ting, Ashley Roberts, Michael Hawkes, Joan L Robinson
OBJECTIVES: The pathogens that cause bacterial meningitis in infants and their antimicrobial susceptibilities may have changed in this era of increasing antimicrobial resistance, use of conjugated vaccines, and maternal antibiotic prophylaxis for group B Streptococcus (GBS). The objective was to determine the optimal empirical antibiotics for bacterial meningitis in early infancy. METHODS: This was a cohort study of infants <90 days of age with bacterial meningitis at 7 pediatric tertiary care hospitals across Canada in 2013 and 2014...
June 9, 2017: Pediatrics
https://www.readbyqxmd.com/read/28596776/genome-wide-association-mapping-of-loci-associated-with-plant-growth-and-forage-production-under-salt-stress-in-alfalfa-medicago-sativa-l
#20
Xiang-Ping Liu, Long-Xi Yu
Salinity tolerance is highly desirable to sustain alfalfa production in marginal lands that have been rendered saline. In this study, we used a diverse panel of 198 alfalfa accessions for mapping loci associated with plant growth and forage production under salt stress using genome-wide association studies (GWAS). The plants were genotyped using genotyping-by-sequencing (GBS). A greenhouse procedure was used for phenotyping four agronomic and physiological traits affected by salt stress, including dry weight (DW), plant height (PH), leaf chlorophyll content (LCC), and stomatal conductance (SC)...
2017: Frontiers in Plant Science
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