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https://www.readbyqxmd.com/read/28821017/the-location-of-australian-buruli-ulcer-lesions-implications-for-unravelling-disease-transmission
#1
Arvind Yerramilli, Ee Laine Tay, Andrew J Stewardson, Peter G Kelley, Emma Bishop, Grant A Jenkin, Mike Starr, Janine Trevillyan, Andrew Hughes, N Deborah Friedman, Daniel P O'Brien, Paul D R Johnson
BACKGROUND: Buruli ulcer (BU), caused by Mycobacterium ulcerans, is increasing in incidence in Victoria, Australia. To improve understanding of disease transmission, we aimed to map the location of BU lesions on the human body. METHODS: Using notification data and clinical records review, we conducted a retrospective observational study of patients diagnosed with BU in Victoria from 1998-2015. We created electronic density maps of lesion locations using spatial analysis software and compared lesion distribution by age, gender, presence of multiple lesions and month of infection...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820298/surveillance-for-hemorrhagic-septicemia-in-buffalo-bubalus-bubalis-as-an-aid-to-range-expansion-of-the-javan-rhinoceros-rhinoceros-sondaicus-in-ujung-kulon-national-park-indonesia
#2
Kurnia Oktavia Khairani, Daryl Nydam, M Julia Felippe, Pat McDonough, Jason Barry, Rois Mahmud, M Haryono, Robin W Radcliffe
The Javan rhinoceros (Rhinoceros sondaicus) of Ujung Kulon National Park (UKNP) is the crown jewel of Indonesia's rich natural history. The park lies on a peninsula surrounded by coastline and agriculture-dominated landscapes. The invasion of water buffalo (Bubalus bubalis) into the park carries a substantial health risk to the Javan rhinoceros and threatens plans to establish a new population outside of its only current range in UKNP. Hemorrhagic septicemia (HS), known locally as septicemia epizootica and caused by Pasteurella multocida B:2, could thwart Indonesia's efforts to expand the range of the Javan rhinoceros...
August 18, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28817570/increased-hepatotoxicity-among-hiv-infected-adults-co-infected-with-schistosoma-mansoni-in-tanzania-a-cross-sectional-study
#3
Amon I Marti, Soledad Colombe, Peter J Masikini, Samuel E Kalluvya, Luke R Smart, Bahati M Wajanga, Hyasinta Jaka, Robert N Peck, Jennifer A Downs
INTRODUCTION: Little is known about hepatotoxicity in patients with schistosome and HIV co-infections. Several studies have reported increased liver enzymes and bilirubin levels associated with schistosome infection. We investigated whether HIV-infected adults on antiretroviral therapy who had S. mansoni co-infection had a higher prevalence of hepatotoxicity than those without. METHODOLOGY/PRINCIPAL FINDINGS: We determined the presence and grade of hepatotoxicity among 305 HIV-infected outpatients who had been on medium-term (3-6 months) and long-term (>36 months) antiretroviral therapy in a region of northwest Tanzania where S...
August 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28816740/the-value-of-direct-immunofluorescence-on-proteinase-digested-formalin-fixed-paraffin-embedded-skin-biopsies
#4
Aida Valencia-Guerrero, April Deng, Karen Dresser, Gail Bouliane, Kristine M Cornejo
Direct immunofluorescence (DIF) on frozen tissue (DIF-F) is the method of choice for the identification of immune deposits present in skin and other tissues. DIF can also be performed on formalin-fixed paraffin-embedded tissue (DIF-P) after antigen retrieval with proteases and has proven to be of value in renal pathology. However, its utility in skin biopsies has not been fully examined. In this study, we performed DIF-P on 60 skin biopsies that comprised of bullous pemphigoid (n = 18), pemphigoid gestationis (n = 1), pemphigus (n = 7), linear IgA disease (n = 7), vasculitis (n = 20), lupus erythematosus (n = 3), and dermatitis herpetiformis (n = 4) cases...
August 9, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28812223/prognostic-potential-of-klotho-and-sfrp1-promoter-methylation-in-head-and-neck-squamous-cell-carcinoma
#5
Abeer A Alsofyani, Rawiah A Alsiary, Alaa Samkari, Baraa T Alhaj-Hussain, Jalaluddin Azam Khan, Jaudah Al-Maghrabi, Aisha Elaimi, Mohammed H Al-Qahtani, Adel M Abuzenadah, Ashraf Dallol
Hypermethylation in the CpG island promoter regions of tumor suppressors is known to play a significant role in the development of HNSCC and the detection of which can aid the classification and prognosis of HNSCC. This study aims to profile the methylation patterns in a panel of key genes including CDKN2A, CDKN2B, KLOTHO (KL), RASSF1A, RARB, SLIT2, and SFRP1, in a group of HNSCC samples from Saudi Arabia. The extent of methylation in these genes is determined using the MethyLight assay and correlated with known clinicopathological parameters in our samples of 156 formalin-fixed and paraffin-embedded HNSCC tissues...
August 16, 2017: Journal of Applied Genetics
https://www.readbyqxmd.com/read/28810958/multispecialty-synchronous-telehealth-utilization-and-patient-satisfaction-within-regional-health-command-europe-a-readiness-and-recapture-system-for-health
#6
Kirk H Waibel, Steven M Cain, Todd E Hall, Ronald S Keen
BACKGROUND: Telehealth implementation within the Military Healthcare System continues to advance toward the goal of a mature regional health platform; however, specialty-specific usage or patient satisfaction regarding synchronous or "real-time" telehealth at the regional military hospital level has not been described. METHODS: A retrospective review of synchronous telehealth encounters and patient satisfaction surveys from Landstuhl Regional Medical Center (LRMC) specialty clinics engaging in synchronous telehealth to regional Army Health Clinics (AHCs) during 2015 was conducted...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28808028/immune-evasion-by-a-staphylococcal-inhibitor-of-myeloperoxidase
#7
Nienke W M de Jong, Kasra X Ramyar, Fermin E Guerra, Reindert Nijland, Cindy Fevre, Jovanka M Voyich, Alex J McCarthy, Brandon L Garcia, Kok P M van Kessel, Jos A G van Strijp, Brian V Geisbrecht, Pieter-Jan A Haas
Staphylococcus aureus is highly adapted to its host and has evolved many strategies to resist opsonization and phagocytosis. Even after uptake by neutrophils, S. aureus shows resistance to killing, which suggests the presence of phagosomal immune evasion molecules. With the aid of secretome phage display, we identified a highly conserved protein that specifically binds and inhibits human myeloperoxidase (MPO), a major player in the oxidative defense of neutrophils. We have named this protein "staphylococcal peroxidase inhibitor" (SPIN)...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28807913/reducing-antibacterial-development-risk-for-gsk1322322-by-exploring-potential-human-dose-regimens-in-nonclinical-efficacy-studies-using-immunocompetent-rats
#8
Jennifer L Hoover, Christine M Singley, Philippa Elefante, Peter DeMarsh, Magdalena Zalacain, Stephen Rittenhouse
Directly testing proposed clinical dosing regimens in nonclinical studies can reduce risk during the development of novel antibacterial agents. Optimal dosing regimens can be identified in animal models by testing recreated human pharmacokinetic profiles. An example of this approach is presented using continuous intravenous infusions of GSK1322322 in immunocompetent rats to evaluate recreated Phase 1 human exposures in pneumonia models with Streptococcus pneumoniae and Haemophilus influenzae and an abscess model with Staphylococcus aureus GSK1322322 was administered via continuous intravenous infusion to recreate 1000 or 1500 mg oral doses every 12h in humans...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28807589/differences-in-texture-analysis-parameters-between-active-alveolitis-and-lung-fibrosis-in-chest-ct-of-patients-with-systemic-sclerosis-a-feasibility-study
#9
Christopher Kloth, Anya C Blum, Wolfgang M Thaiss, Heike Preibsch, Hendrik Ditt, Rainer Grimmer, Jan Fritz, Konstantin Nikolaou, Hans Bösmüller, Marius Horger
RATIONALE AND OBJECTIVES: This study aimed to determine the diagnostic aid of computed tomography (CT) features for the differentiation of active alveolitis and fibrosis using a CT texture analysis (CTTA) prototype and CT densitometry in patients with systemic sclerosis (SSc) using ancillary high-resolution computed tomography (HRCT) features and their longitudinal course as standard of reference. MATERIALS AND METHODS: We retrospectively analyzed thin-slice noncontrast chest CT image data of 43 patients with SSc (18 men, mean age 51...
August 11, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28806693/persistence-of-urban-organic-aerosols-composition-decoding-their-structural-complexity-and-seasonal-variability
#10
João T V Matos, Regina M B O Duarte, Sónia P Lopes, Artur M S Silva, Armando C Duarte
Organic Aerosols (OAs) are typically defined as highly complex matrices whose composition changes in time and space. Focusing on time vector, this work uses two-dimensional nuclear magnetic resonance (2D NMR) techniques to examine the structural features of water-soluble (WSOM) and alkaline-soluble organic matter (ASOM) sequentially extracted from fine atmospheric aerosols collected in an urban setting during cold and warm seasons. This study reveals molecular signatures not previously decoded in NMR-related studies of OAs as meaningful source markers...
August 11, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28802993/microbial-community-structure-and-activity-in-trace-element-contaminated-soils-phytomanaged-by-gentle-remediation-options-gro
#11
M Touceda-González, Á Prieto-Fernández, G Renella, L Giagnoni, A Sessitsch, G Brader, J Kumpiene, I Dimitriou, J Eriksson, W Friesl-Hanl, R Galazka, J Janssen, M Mench, I Müller, S Neu, M Puschenreiter, G Siebielec, J Vangronsveld, P S Kidd
Gentle remediation options (GRO) are based on the combined use of plants, associated microorganisms and soil amendments, which can potentially restore soil functions and quality. We studied the effects of three GRO (aided-phytostabilisation, in situ stabilisation and phytoexclusion, and aided-phytoextraction) on the soil microbial biomass and respiration, the activities of hydrolase enzymes involved in the biogeochemical cycles of C, N, P, and S, and bacterial community structure of trace element contaminated soils (TECS) from six field trials across Europe...
August 10, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28802161/physicochemical-analysis-of-permian-coprolites-from-brazil
#12
M I C Rodrigues, J H da Silva, F Eroni P Santos, P Dentzien-Dias, J C Cisneros, A S de Menezes, P T C Freire, B C Viana
In this paper we performed the study of two coprolites (fossilized feces) collected from the exposed levels of the Pedra de Fogo Formation, Parnaiba Sedimentary Basin, and Rio do Rasto Formation, Paraná Sedimentary Basin, both of the Palaeozoic era (Permian age). They were characterized using X-ray diffractometry, infrared, Raman and energy dispersive spectroscopy techniques in order to aid our understanding of the processes of fossilization and to discuss issues related to the feeding habits of the animals which generated those coprolites, probably cartilaginous fishes...
August 8, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28801035/-creation-of-a-complete-organised-care-network-allowing-facilitated-access-to-ophthalmological-care-for-patients-living-in-socially-at-risk-situations-feasibility-study
#13
S Terrier de la Chaise, A Criton, J-P Berrod, J-M Boivin
BACKGROUND: Currently, renouncement to healthcare by socially "at-risk" patients continues to increase and access to ophthalmological care is complex. The main objective of this study is to test the feasibility of a complete organised care network allowing facilitated access to ophthalmological care for patients living in socially "at-risk" situations. METHOD: A prospective interventional study was conducted within four social housing infrastructures to screen for vision problems in the "at-risk" socially population in question...
August 8, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28800832/knowledge-of-appropriate-outpatient-pediatric-echocardiogram-ordering-in-primary-care-physicians-and-trainees
#14
Sean M Lang, Joshua A Daily, Micheal R FitzGerald, Xinyu Tang, Thomas H Best, James M Robbins, R Thomas Collins
Appropriate Use Criteria (AUC) for the initial use of outpatient pediatric echocardiography were established to aid all clinicians in the evaluation of children with possible heart disease, and limit low diagnostic yield studies. We sought to (1) assess PCPs' and trainees' awareness of the AUC document; (2) compare their knowledge of appropriate echocardiogram ordering with that of pediatric cardiologists; and (3) identify additional medical and nonmedical factors affecting PCP echocardiogram ordering. An online survey with clinical scenarios derived from the AUC guidelines was distributed to PCPs and trainees in Arkansas, and pediatric cardiologists from Arkansas Children's Hospital and Cincinnati Children's Hospital Medical Center...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28800005/the-effects-of-british-army-footwear-on-ground-reaction-force-and-temporal-parameters-of-british-army-foot-drill
#15
Alex J Rawcliffe, Scott M Graham, Richard J Simpson, Gavin L Moir, Russell Jj Martindale, Stelios G Psycharakis, Chris Connaboy
High rates of occupational training-related lower-limb musculoskeletal [MSK] overuse injuries are reported for British Army recruits during basic training. Foot-drill is a repetitive impact loading occupational activity and involves striking the ground violently with an extended-knee [straight-leg] landing. Foot-drill produces vertical ground reaction forces [vGRF] equal to and/or greater than those reported for high-level plyometric exercises/activities. Shock absorbing footwear aid in the attenuation of the magnitude of vGRF, resulting in a reduced risk of lower-limb MSK overuse injury when running...
August 9, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28799956/peripheral-blunt-dissection-using-a-microhoe-facilitated-method-for-descemet-membrane-endothelial-keratoplasty-donor-tissue-preparation
#16
Armand M Borovik, Mauricio Perez, Tova Lifshitz, Adi Einan-Lifshitz, Nir Sorkin, Tanguy Boutin, Mahmood Showail, Amir Rosenblatt, David S Rootman
PURPOSE: To describe a modified technique for Descemet membrane donor tissue preparation that facilitates the original Melles stripping technique. METHODS: Descemet membrane is prepared using a Rootman/Goldich modified Sloane microhoe, using a blunt instrument as opposed to a sharp blade or needle and begins dissection within the trabecular meshwork. The trabecular tissue is dissected for 360 degrees, and then Descemet membrane is stripped to approximately 50%. A skin biopsy punch is then used to create fenestration in the cornea, which is used to mark an "F...
August 9, 2017: Cornea
https://www.readbyqxmd.com/read/28799637/facilitating-the-analysis-of-the-multifocal-electroretinogram-using-the-free-software-environment-r
#17
Richard Bergholz, Mirjam Rossel, Ralf M Dutescu, Klaas P Vöge, Daniel J Salchow
PURPOSE: The large amount of data rendered by the multifocal electroretinogram (mfERG) can be analyzed and visualized in various ways. The evaluation and comparison of more than one examination is time-consuming and prone to create errors. Using the free software environment R we developed a solution to average the data of multiple examinations and to allow a comparison of different patient groups. METHODS: Data of single mfERG recordings as exported in .csv format from a RETIport 21 system (version 7/03, Roland Consult) or manually compiled ...
August 7, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28797629/molecular-and-morphological-survey-of-saxitoxin-producing-cyanobacterium-dolichospermum-circinale-anabaena-circinalis-isolated-from-geographically-distinct-regions-of-australia
#18
Joao P A Pereyra, Paul M D'Agostino, Rabia Mazmouz, Jason N Woodhouse, Russell Pickford, Ian Jameson, Brett A Neilan
The cyanobacterium Dolichospermum circinale (formerly Anabaena circinalis) is responsible for neurotoxic saxitoxin-producing blooms in Australia. Previous studies have reported distinct isolates of toxic D. circinale producing different saxitoxin analogues at varying amounts, but the mechanisms responsible remain poorly understood. To assess the characteristics that may be responsible for this variance, a morphological, molecular and chemical survey of 28 Anabaena isolates was conducted. Morphological characteristics, presence or absence of saxitoxin biosynthetic genes and toxin amount and profile were assessed...
August 7, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28796679/delivery-after-40-weeks-of-gestation-in-pregnant-women-with-well-controlled-human-immunodeficiency-virus
#19
Rachel K Scott, Nahida Chakhtoura, Margaret M Burke, Rachel A Cohen, Regis Kreitchmann
OBJECTIVE: To evaluate whether there is increased mother-to-child transmission of human immunodeficiency virus (HIV)-1 associated with deliveries at 40 weeks of estimated gestational age (EGA) or greater in pregnant women with HIV-1 viral loads of 1,000 copies/mL or less. METHODS: We performed a secondary analysis of the Eunice Kennedy Shriver National Institute of Child Health and Human Development International Site Development Initiative Perinatal and Longitudinal Study in Latin American Countries and International Maternal Pediatric Adolescent AIDS Clinical Trials P1025 cohorts...
August 4, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28796293/il7ra-polymorphisms-are-not-associated-with-aids-progression
#20
Luz María Medrano, José Luis Jiménez, María A Jiménez-Sousa, Amanda Fernández-Rodíguez, Mónica Gutiérrez-Rivas, José María Bellón, José Ramón Blanco, Alexy Inciarte, Mª Ángeles Muñoz-Fernández, Salvador Resino
BACKGROUND: Our aim was to determine whether α-chain of the IL-7 Receptor (IL7RA) polymorphisms (rs10491434, rs6897932, and rs987106) are associated with the clinical pattern of AIDS progression in ART-naïve HIV-infected patients. METHODS: We carried out a cross-sectional study in 673 HIV-infected patients who were classified into three groups according to the clinical pattern of AIDS progression (188 long-term non-progressors (LTNPs), 334 moderate progressors (MPs), and 151 rapid progressors (RPs))...
August 10, 2017: European Journal of Clinical Investigation
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