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https://www.readbyqxmd.com/read/29353676/mercury-in-a-stream-lake-network-of-andean-patagonia-southern-volcanic-zone-partitioning-and-interaction-with-dissolved-organic-matter
#1
Carolina Soto Cárdenas, María Del Carmen Diéguez, Claudia Queimaliños, Andrea Rizzo, Vesna Fajon, Jože Kotnik, Milena Horvat, Sergio Ribeiro Guevara
Lake Nahuel Huapi (NH) is a large, ultraoligotrophic deep system located in Nahuel Huapi National Park (NHNP) and collecting a major headwater network of Northwestern Patagonia (Argentina). Brazo Rincón (BR), the westernmost branch of NH, is close to the active volcanic formation Puyehue-Cordón Caulle. In BR, aquatic biota and sediments display high levels of total Hg (THg), ranging in contamination levels although it is an unpolluted region. In this survey, Hg species and fractionation were assessed in association with dissolved organic matter (DOM) in several aquatic systems draining to BR...
January 12, 2018: Chemosphere
https://www.readbyqxmd.com/read/29352599/-detection-of-chlamydia-abortus-in-bovine-reproductive-losses-in-the-province-of-la-pampa-argentina
#2
María Del C Rojas, Marcelo Fort, Simone Bettermann, Carolina Entrocassi, Sixto R Costamagna, Konrad Sachse, Marcelo Rodríguez Fermepin
Reproductive losses linked to an infectious etiology in bovine cattle are a major economic concern worldwide. In Argentina, more than 50% of abortion cases have unknown causes. Species belonging to Chlamydiaceae family are frequent etiologic agents of abortion around the world; however, there is yet no information on their prevalence in Argentina. The objective of this work was to identify Chlamydia spp., and particularly C. abortus in reproductive losses from bovine cattle in La Pampa, Argentina. Real time PCR targeting Chlamydiaceae-specific DNA fragments was performed on 251 samples obtained from bovine abortions and stillborns, and ArrayTube was used for species identification on positive samples...
January 16, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29346653/emergence-of-acute-subacute-infant-juvenile-paracoccidioidomycosis-in-northeast-argentina-effect-of-climatic-and-anthropogenic-changes
#3
Gustavo Giusiano, Clarisa Aguirre, Claudia Vratnica, Florencia Rojas, Teresa Corallo, María Emilia Cattana, Mariana Fernández, Javier Mussin, María de Los Angeles Sosa
Argentina has two endemic areas of paracoccidioidomycosis (PCM). Bordering Paraguay and Brazil, Northeast Argentina (NEA) comprises the area with the highest incidence where the chronic adult clinical form has historically been reported. Juvenile form in children and adolescents is rare in this area since only one case was reported in the last 10 years. Despite this, between 2010 and 2012, several cases of acute/subacute clinical forms in children aged 10 to 16 (median 12) were detected. In the last decade, the NEA region has been exposed to ecological variations as consequences of certain climatic and anthropogenic changes, including El Niño-Southern Oscillation phenomenon during 2009, and deforestation...
January 13, 2018: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29340784/a-new-flesh-fly-species-diptera-sarcophagidae-parasitic-on-leptodactylid-frogs
#4
Pablo Ricardo Mulieri, Eduardo Federico Schaefer, Marta Inés Duré, Cynthya Elizabeth González
Here we describe a new species of sarcophagid fly reared from larvae found feeding on three species of leptodactylid frogs collected in subtropical Corrientes Province in northeastern Argentina. Our species description is based on adult male and female external morphology and genitalia. Adult males and females of the new species were associated with certainty because all specimens studied were reared from single clutches of larvae on each of three infested frogs. Thus, adult males and females reared from each clutch were siblings that emerged almost simultaneously...
January 17, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29340782/strigeid-parasites-of-circus-buffoni-from-argentina-with-the-description-of-a-new-species-of-parastrigea-szidat-1928
#5
Fabiana B Drago, Verónica Núñez, Lía I Lunaschi
Studying the Helminthological Collection of Museo de La Plata (MLP-He), several specimens of digeneans, recovered parasitizing a long-winged harrier, Circus buffoni (Accipitridae) from Buenos Aires Argentina, were analysed. The morphological and morphometric analysis of these specimens revealed the presence of two strigeid species, one of them new for science. Parastrigea buffoni n. sp. is characterised by a forebody differentiated in a retractile cephalic region with a large opening and a balloon-shaped collar region or collerette, suckers located in cephalic region, holdfast organ with well development dorsal and ventral lips that can emerge through opening, a claviform hindbody, a large copulatory bursa with muscular ring (Ringnapf) and a genital cone well delimited, crossed by a sinuous hermaphroditic duct with internal rugae...
January 16, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29340445/-health-universalism-in-argentina-between-2003-and-2015-assessments-and-challenges-based-in-a-macro-institutional-approach
#6
Magdalena Chiara, María Crojethovic, Ana Ariovich
Debates about universalism in health have been gaining ground in Latin America and have entered the policy agenda with differing results. Notwithstanding the country's federalism, the most profound changes that took place in Argentina in the last decade occurred in the arena of national politics. Based on the theoretical contributions of historical neo-institutionalism and implementation studies, this paper aims to analyze, from a macro institutional approach, the scope of the national policy regarding health universalization...
October 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29340442/-psychological-violence-against-women-what-factors-increase-the-risk-of-this-kind-of-intimate-partner-abuse
#7
Ana Safranoff
Using data from Argentina's National Study on Violence Against Women [Estudio nacional sobre violencias contra las mujeres] carried out in 2015, the article identifies the risk factors that increase women's vulnerability to psychological abuse. Findings show that women who are more prone to be victims of this kind of partner violence are those who are less educated, older, do not earn a wage for their work, live with children at home, are involved in less "formal" long-term relationships, as well as those whose male partners have a lower educational level than their own and/or have alcohol problems and/or were victims or witnesses of violence during their childhood...
October 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29340438/-human-rights-and-democracy-in-argentina-challenges-for-a-future-agenda
#8
EDITORIAL
Valeria Barbuto
No abstract text is available yet for this article.
October 2017: Salud Colectiva
https://www.readbyqxmd.com/read/29337629/biotech-crop-planting-resumes-high-adoption-in-2016
#9
Rhodora R Aldemita, Randy A Hautea
The global area of biotech crops in 2016 increased from 179.7 million hectares to 185.1 million hectares, a 3% increase equivalent to 5.4 million hectares. Some 26 countries planted biotech crops, 19 of which were developing countries and seven were industrial. Information and data collected from various credible sources showed variations from the previous year. Fluctuations in biotech crop area (both increases and decreases) are influenced by factors including, among others, acceptance and commercialization of new products, demand for meat and livestock feeds, weather conditions, global market price, disease/pest pressure, and government's enabling policies...
January 16, 2018: GM Crops & Food
https://www.readbyqxmd.com/read/29336912/-bartonella-henselae-serological-evidence-in-pediatric-patients-with-clinical-suspicion-of-cat-scratch-disease
#10
Rita Armitano, Agustina Lisa, Claudia Martínez, Lucia Cipolla, Ricardo Iachini, Monica Prieto
Cat scratch disease (CSD) is caused by Bartonella henselae, which mainly affects children. The cat is the reservoir. The laboratory diagnosis is based on the detection of antibodies by the Indirect Immunofluorescence (IFI) assay. The objective of this study was to analyze the serological evidence of B. henselae infection in pediatric patients that met the clinical/epidemiological criteria for suspected CSD. We studied 92 patients, who were categorized into four serological groups: 1) IgG (+)/IgM(+), 31,5% (n=29); 2) IgG (-)/IgM(+), 10,9% (n=10); 3) IgG (+)/IgM(-), 9,8% (n=9); 4) IgG (-)/IgM(-), 47,8% (n=44)...
January 11, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29336909/-non-reported-spa-types-in-our-country-in-staphylococcus-aureus-from-adult-patients-of-a-school-hospital-santa-fe-argentina
#11
Carla Tomatis, María R Baroni, María A Mendosa, Alicia Nagel, Analia Mollerach, Claudia Alvarez, Maria Laura Zurbriggen, Sabrina Cristobal, Glenda Segovia, Emilce de Los A Méndez
Staphylococcus aureus is a pathogen associated a different kind of infection. Molecular markers are useful tools to study microbial epidemiology. Twenty two methicillin-resistant S. aureus (MRSA) and 23 methicillin-susceptible S. aureus (MSSA) were studied by mecA gene, SCCmec cassette, Panton Valentine leucocidin (PVL) and spa polymorphism. The clinical data patients were analyzed. MSSA was prevalent in samples different from skin and soft tissue (SST) and in hospitalized patients, whereas MRSA in SST. SCCmec type IV was predominant, followed by type I...
January 11, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29335230/application-of-a-health-risk-assessment-model-for-cattle-exposed-to-pesticides-in-contaminated-drinking-waters-a-study-case-from-the-pampas-region-argentina
#12
Sabrina Dubny, Fabio Peluso, Ignacio Masson, Natalia Othax, José González Castelain
Using the USEPA methodology we estimated the probabilistic chronic risks for calves and adult cows due to pesticide exposure through oral intake of contaminated surface and ground waters in Tres Arroyos County (Argentina). Because published data on pesticide toxicity endpoints for cows are scarce, we used threshold levels based on interspecies extrapolation methods. The studied waters showed acceptable quality for cattle production since none of the pesticides were present at high-enough concentrations to potentially affect cow health...
January 12, 2018: Chemosphere
https://www.readbyqxmd.com/read/29334843/high-genetic-diversity-and-low-population-differentiation-in-the-patagonian-sprat-sprattus-fuegensis-based-on-mitochondrial-dna
#13
Cristian B Canales-Aguirre, Sandra Ferrada-Fuentes, Ricardo Galleguillos, Fernanda X Oyarzun, Claudio C Buratti, Cristián E Hernández
The Patagonian sprat, Sprattus fuegensis, is a small pelagic marine fish that inhabits the continental shelf along the coasts of Chilean Patagonian and Argentina, a distribution that was highly impacted during the Last Glacial Maximum (LGM). In order to identify how the LGM played a role on the current observed genetic diversity and population structure of S. fuegensis, we analyzed 1438 nucleotide positions from the control region of 335 individuals collected at 12 sites across its distribution. Genetic diversity and differentiation indices were calculated to identify population structure, and a Bayesian skyride plot (BSRP) reconstruction was carried out to infer the historic population dynamics...
January 15, 2018: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/29333843/-use-of-the-identification-bracelet-in-the-newborn-a-safe-method
#14
María Del Carmen Covas, Brenda Salvatierra, Valeria Velázquez, Ernesto R Alda
BACKGROUND: The placement of newborn bracelets is the most widely used method for patient identification in Argentina. OBJECTIVES: To evaluate the permanence of the identification bracelets during the hospitalization. POPULATION: All the term newborns who remained with their mother. Design: observational, prospective study, cohort type, randomized: forearm, leg. RESULTS: Cases observed: 914. Forearm: 457, leg: 438. At the time of discharge, the frequency of permanence of the identification bracelets as originally placed was 67% in the forearm and 72% in the leg...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333823/brain-death-and-organ-donation-in-argentine-pediatric-intensive-care-units-a-multicenter-study
#15
Germán Bonetto, Pedro Taffarel, Melisa Gamerman, Facundo Jorro Barón, Carolina Gaviña, Laura Flores, Emanuel Fernández, Andrea Zifferman, Gustavo Debaisi, Marcelo Acerenza, Jorge Selandari, Luis Landry, Ariel Cacciamano, Alfredo Clavel, Patricia Capocasa, Bernardo Calvo, Marcial Angos
Brain death (BD) is a condition determined by the complete and irreversible absence of brain functions. Maintenance of vital functions creates an opportunity for organ donation. A retrospective study was carried out in 7 pediatric intensive care units of Argentina (from 1/1/2013 to 9/30/2016) to determine the incidence of clinical and certified BD, and the proportion of effective transplantations. Among deceased patients, 19.14% (147/768) met the clinical requirements for BD, and the main cause of BD was multiple trauma...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333822/labial-adhesions-experience-in-a-children-s-hospital
#16
Anahí Rubinstein, Gisel Rahman, Paula Risso, Dolores Ocampo
Labial adhesions are defined as the complete or partial fusion of the pudendal cleft due to the agglutination of the labia minora in the midline. They most commonly occur between 3 months and 6 years of life. Between January 1st, 2002 and December 31st, 2015, 425 girls diagnosed with labial adhesions and seen at the Unit of Pediatric and Adolescent Gynecology of Hospital de Niños de La Plata, Argentina, were analyzed. Their average age was 2.7 years (standard deviation: 2.6 years). The most common presentation of labial adhesions was that involving more than 75% of the total length of the labia (p < 0...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333818/community-acquired-methicillin-resistant-staphylococcus-aureus-infections-hospitalization-and-case-fatality-risk-in-10-pediatric-facilities-in-argentina
#17
Ángela Gentile, Julia Bakir, Gabriela Ensinck, Aldo Cancellara, Enrique V Casanueva, Verónica Firpo, Martín Caruso, María F Lución, Alejandro Santillán Iturres, Fabiana Molina, Héctor J Abate, Andrea Gajo Gane, Santiago López Papucci
INTRODUCTION: Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) infections are prevalent both in Argentina and worldwide, and they may have a severe clinical course. OBJECTIVES: To estimate the hospitalization rate and case fatality risk factors of CA-MRSA infection. METHODS: Cross-sectional, analytical study. All patients < 15 years old with community-acquired Staphylococcus aureus (CA-SA) infections admitted to 10 pediatric facilities between January 2012 and December 2014 were included...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333817/anthropometric-and-biochemical-assessment-of-nutritional-status-and-dietary-intake-in-school-children-aged-6-14-years-province-of-buenos-aires-argentina
#18
Lorena Lázaro Cuesta, Analía Rearte, Sergio Rodríguez, Melina Niglia, Horacio Scipioni, Diego Rodríguez, Rosalía Salinas, Claudia Sosa, Stella Rasse
INTRODUCTION: Childhood obesity is a global epidemic. School age and adolescence are critical stages for the implementation of eating and lifestyle habits. OBJECTIVE: To assess anthropometric and biochemical assessment of nutritional status and dietary intake in children, their relationship with socioeconomic factors and georeferencing. METHODS: Cross-sectional study in schoolchildren aged 6-14 years from the District of General Pueyrredon, during August-November 2013...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333816/national-health-care-network-for-children-with-oral-clefts-organization-functioning-and-preliminary-outcomes
#19
Agustina Cassinelli, Nadia Pauselli, Agustina Piola, Claudia Martinelli, José L Alves de Azeved, María P Bidondo, Boris Groisman, Pablo Barbero, Rosa Liascovich, Ana Sala
INTRODUCTION: Oral clefts are major congenital anomalies that may affect the lip and/or palate, and that may also involve the nose and nostrils. In Argentina, their prevalence is approximately 15 per 10 000 births. In 2015, the Ministry of Health of Argentina created a national health care network for children with oral clefts in Argentina through the joint work with the National Registry of Congenital Anomalies (Red Nacional de Anomalías Congénitas, RENAC) (coordinating center for the national network) and the SUMAR Program...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333814/morbidity-in-congenital-heart-surgery-in-a-public-hospital-in-argentina
#20
María Althabe, Ricardo Rodríguez R, María Balestrini, Alberto Charroqui, Mariela Krynski, Ana M Lenz, Mercedes Montonati, Guillermo Moreno, María L Pilan, Ricardo Magliola, Pablo García Delucis
OBJECTIVE: To describe the complications associated with heart surgery, compare them to a reference population, and identify mortality risk factors. PATIENTS AND METHODS: Retrospective and descriptive study. All patients who underwent surgery at Hospital Garrahan in the 2013-2015 period were included. Age, weight, procedure, mechanical ventilation, length of stay in days, morbidity, and course were recorded. Renal failure requiring dialysis, neurological deficit, permanent pacemaker, circulatory support, phrenic nerve or vocal cord palsy, reoperation, wound infection, chylothorax, and tracheotomy were considered morbidities...
February 1, 2018: Archivos Argentinos de Pediatría
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