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Buenos Aires

Francisco Javier Aznar, Jesús Servando Hernández-Orts, Gabriela Vélez-Rubio, Luis M Fernández, Nadia T Muriel, Juan Antonio Raga
BACKGROUND: At present, much research effort has been devoted to investigate overall ("average") responses of parasite populations to specific factors, e.g. density-dependence in fecundity or mortality. However, studies on parasite populations usually pay little attention to individual variation ("inequality") in reproductive success. A previous study on the acanthocephalan Corynosoma cetaceum in franciscana dolphins, Pontoporia blainvillei, revealed no overall intensity-dependent, or microhabitat effects, on mass and fecundity of worms...
March 21, 2018: Parasites & Vectors
José M Méndez Ribas
The Medicine for adolescents is a true specialty mostly exercised by doctors trained in pediatrics, family clinicians and gynecologists properly trained in their care and with the vocation for that. Based on my experience as a Founding Member and Director for more than 20 years of the Adolescence Program of the Hospital de Clínicas (University of Buenos Aires), I presented a methodology of attention with the objective of showing a comprehensive approach of the adolescents with an emphasis on general health promotion and prevention of diseases, and on reproductive health in particular...
April 1, 2018: Archivos Argentinos de Pediatría
Paulo Cáceres Guido, Beatriz G Varela, Hernán G Bach, Ziomara Balbarrey, Marcelo L Wagner
Humans coming in contact with natural green spaces experience beneficial physical, mental, and social effects. For the primary purpose of describing plant species found in the gardens of Hospital de Pediatría "Prof. Dr. Juan P. Garrahan" (Autonomous City of Buenos Aires), a taxonomic survey was carried out between December 2013 and November 2016. A secondary objective was to review the extent of knowledge on how natural green spaces affect the health of hospitalized patients. There are 69 plant species from 47 botanical families; of these, only 8% are native...
April 1, 2018: Archivos Argentinos de Pediatría
Ana M Lenz, Elena Andion, Silvina Ruvinsky, Clarisa Aguirre, Julieta Alvarez Parma, Facundo Jorro, Gabriela López Cruz, Martín Pascutto, Matías Penazzi, Silvia Santos, Marcela Zuázaga, Norma Aquino, Juan C Vassallo, Guillermo Moreno, Ricardo Magliola, Aldo Haimovich, Luis Landry, Rosa Bologna
INTRODUCTION: Catheter-related infections (CRIs) cause a high level of morbidity and mortality with the increasing use of hospital resources. OBJECTIVE: To describe the outcomes of a program implemented to reduce the rate of CRIs in pediatric intensive care units in Argentina. POPULATION AND METHODS: Collaborative, multi center, clinical-epidemiological, quasiexperimental, before-and-after intervention study. Children who had a central venous catheter during hospitalization in 9 pediatric intensive care units in the Autonomous City of Buenos Aires, Greater Buenos Aires, and other provinces between June 2011 and April 2012 were included...
April 1, 2018: Archivos Argentinos de Pediatría
Gustavo J Bondulich
This is a report of the first three days Uniportal VATS International Meeting. The conference included oral presentations at the Universidad Catolica Argentina (UCA), on the first day. Live Surgery from Shanghai Pulmonary Hospital, Tongji University, China, and Clinica San Camilo. Bs As, Argentina on the second day and a Wet lab in Fundación Triada Mininvasiva, Fatima Pilar on the final day.
2018: Journal of Visualized Surgery
Cecilia C Cundon, Alejandro Ameal, Elsa Maubecín, Adriana Bentancor
The pangenome of Escherichia coli is composed of a conserved core and variable genomic regions. The constant genetic component allows to determine the phylogeny of the microorganism, while genetic variability promoted the emergence of intestinal pathogenic strains and extraintestinal strains. In this study we characterized 85 extraintestinal pathogenic isolates genetically isolated from canines and felines. We used the Clermont scheme that includes intestinal (A and B1) and extraintestinal (B2 and D) phylogroups, virulence markers (pap1-2, pap3-4, sfa, afa, hlyA, aer and cnf) and hybrid pathogens...
March 15, 2018: Revista Argentina de Microbiología
Mònica Guxens, Małgorzata J Lubczyńska, Ryan L Muetzel, Albert Dalmau-Bueno, Vincent W V Jaddoe, Gerard Hoek, Aad van der Lugt, Frank C Verhulst, Tonya White, Bert Brunekreef, Henning Tiemeier, Hanan El Marroun
BACKGROUND: Air pollution exposure during fetal life has been related to impaired child neurodevelopment, but it is unclear if brain structural alterations underlie this association. The authors assessed whether air pollution exposure during fetal life alters brain morphology and whether these alterations mediate the association between air pollution exposure during fetal life and cognitive function in school-age children. METHODS: We used data from a population-based birth cohort set up in Rotterdam, The Netherlands (2002-2006)...
January 31, 2018: Biological Psychiatry
Ricardo F Allegri, Pablo Bagnatti
The first step from the neuropsychology in Argentina was in 1883 with the thesis of Antonio Piñeiro about the brain localization of the language and vision disorders, only few years after Broca. The aim of this work has been to describe the development of the neuropsychology in Argentina and its relation with the psychology, neurology and psychiatry. The first period was into the neurology with its French school in?uence. In 1907, Jose Ingeniero published in French his book about "amusia", Cristofredo Jakob the "folia neurobiologica" where he described the organization of the human brain, Vicente Dimitri in 1933 his book "aphasia" and Bernardo de Quiros in 1959 his works about dyslexia...
November 2017: Vertex: Revista Argentina de Psiquiatriá
Anna Lartey, Janice Meerman, Ramani Wijesinha-Bettoni
BACKGROUND: The International Union of Nutritional Sciences held its 21st International Congress of Nutrition in October 2017 in Buenos Aires, Argentina under the theme - From Sciences to Nutrition Security. In addition to multiple sessions on food systems and their links to diet, nutrition and health, the Congress closing lecture focused on the need to transform food systems so as to increase their capacity to provide healthy diets, making a call for greater involvement of nutrition scientists...
March 8, 2018: Annals of Nutrition & Metabolism
Juan Pablo Costabel, Enrique Galve, María Terricabras, Clara Ametrano, Ricardo Ronderos, Adrian Baranchuk, Arturo Evangelista, Gustavo Avegliano
INTRODUCTION: Atrial fibrillation (AF) occurs in about 20%-25% of patients with hypertrophic cardiomyopathy and is associated with increased risk of cardioembolism and heart failure impacting on patients' morbidity and mortality. The aim of this study was to identify echocardiographic predictors of AF in a cohort of patients with hypertrophic cardiomyopathy (HCM). METHODS: Patients were recruited from 2 centers: Buenos Aires Cardiovascular Institute and the Hospital Vall d'Hebron of Barcelona which were analyzed together...
March 5, 2018: Echocardiography
Payam Dadvand, Jesus Pujol, Dídac Macià, Gerard Martínez-Vilavella, Laura Blanco-Hinojo, Marion Mortamais, Mar Alvarez-Pedrerol, Raquel Fenoll, Mikel Esnaola, Albert Dalmau-Bueno, Mónica López-Vicente, Xavier Basagaña, Michael Jerrett, Mark J Nieuwenhuijsen, Jordi Sunyer
BACKGROUND: Proponents of the biophilia hypothesis believe that contact with nature, including green spaces, has a crucial role in brain development in children. Currently, however, we are not aware of evidence linking such exposure with potential effects on brain structure. OBJECTIVE: We determined whether lifelong exposure to residential surrounding greenness is associated with regional differences in brain volume based on 3-dimensional magnetic resonance imaging (3D MRI) among children attending primary school...
February 23, 2018: Environmental Health Perspectives
M Castro Berman, D J G Marino, María Victoria Quiroga, Horacio Zagarese
Glyphosate (N-(phosphonomethyl)glycine) is a broad-spectrum systemic herbicide used to kill weeds that compete with commercial crops. In Argentina, the use of glyphosate-based herbicides increased dramatically (up to ∼200,000 tons on 2012) since the introduction of glyphosate-resistant crops, such as transgenic soy and resistant corn, and the adoption of non-till practices in the 1990's. Sallow lakes within the Pampa region may be potentially impacted by continuous herbicide usage. We surveyed 52 shallow lakes from the Pampa region (Buenos Aires Province, Argentina) to assess the occurrence and concentrations of glyphosate and its main degradation product (AMPA)...
February 20, 2018: Chemosphere
Ximena Blanco Crivelli, María P Bonino, Paula Von Wernich Castillo, Armando Navarro, Osvaldo Degregorio, Adriana Bentancor
Enteropathogenic Escherichia coli (EPEC) and Shiga toxin-producing E. coli (STEC) are pathovars of E. coli that impact human health by causing childhood diseases. In this work, 118 synanthropic rodents of the genus Rattus from Buenos Aires, Argentina were evaluated as EPEC and STEC carriers. Rectal swab samples from captured animals were evaluated by conventional PCR to detect the presence of the eae , stx 1, stx 2, and rfb O157 genes. Twenty-one isolates were obtained (17 EPEC isolates from seven animals and four STEC isolates from the same animal)...
2018: Frontiers in Microbiology
Iris Nora Tiraboschi, Natalia Cintia Pozzi, Luciana Farías, Susana García, Norma Beatriz Fernández
BACKGROUND: The epidemiology of candidemia vary by region. AIM: To determine the epidemiology of candidemia in a hospital for 16 years. MATERIAL AND METHODS: Episodes of candidemia occurred in the Hospital de Clinicas of Buenos Aires were reviewed, from 01/01/98 to 31/12/13. RESULTS: 374 episodes of candidemia were identified. The incidence was 2.21/1,000 discharges and increased from 1.96 (1998-2005) to 2.25 (2006-2013) (p = 0...
October 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
Tatiana Heid Furley, Julie Brodeur, Helena C Silva de Assis, Pedro Carriquiriborde, Katia R Chagas, Jone Corrales, Marina Denadai, Julio Fuchs, Renata Mascarenhas, Karina Sb Miglioranza, Diana Margarita Miguez Caramés, José Maria Navas, Danaythi Nugegoda, Estela Planes, Ignacio Alejandro Rodriguez-Jorquera, Martha Orozco-Medina, Alistair Ba Boxall, Murray A Rudd, Bryan W Brooks
The Global Horizon Scanning Project (GHSP) is an innovative initiative that aims to identify important global environmental quality research needs. Here we report 20 key research questions from Latin America (LA). Members of the Society of Environmental Toxicology and Chemistry (SETAC) LA and other scientists from LA were asked to submit research questions that would represent priority needs to address in the region. One hundred questions were received, then partitioned among categories, examined, and some rearranged during a workshop in Buenos Aires, Argentina...
February 22, 2018: Integrated Environmental Assessment and Management
Heráclito Barbosa Carvalho, Luis Alberto Moreno, Andrew Mello Silva, Gabriela Berg, Alejandro Estrada-Restrepo, Laura Inés González-Zapata, Pilar De Miguel-Etayo, Carlos Alberto Delgado, María Isabel Bove, Maria da Luz Rosario de Sousa, Francisco Leonardo Torres-Leal, Claudia L M Forjaz, Augusto César Ferreira De Moraes
OBJECTIVE: The purpose of this paper is to introduce the overarching study design of the South American Youth/Child Cardiovascular and Environmental (SAYCARE) study, which is an observational multicenter feasibility study held in seven South American cities: Buenos Aires (Argentina), Lima (Peru), Medellin (Colombia), Montevideo (Uruguay), Santiago (Chile), and São Paulo and Teresina (Brazil). Children and adolescents (3-17 years of age) were studied. METHODS: The data management systems, quality assurance monitoring activities, standardized operating procedure manuals, and training and study management are addressed in this paper...
March 2018: Obesity
Luisa Saravia, Laura I González-Zapata, Tara Rendo-Urteaga, Jamile Ramos, Tatiana Sadalla Collese, Isabel Bove, Carlos Delgado, Florencia Tello, Iris Iglesia, Ederson Dassler Gonçalves Sousa, Augusto César Ferreira De Moraes, Heráclito Barbosa Carvalho, Luis A Moreno
OBJECTIVE: This study aimed to describe the development of a food frequency questionnaire (FFQ) to assess dietary intake in South American children and adolescents. METHODS: A total of 345 children (aged 3-10 years) and 357 adolescents (aged 11-17 years) were included for analysis. The FFQ was designed to be self-administered and to assess dietary intake over the past 3 months. It was developed in Spanish and translated into Portuguese. Multiple approaches were considered to compile the food list, and 11 food groups were included...
March 2018: Obesity
A Gallego, J Laurino Soulé, H Napolitano, S L Rossi, C Vescina, S E Korol
Biodegradability of 2-Chlorophenol (2-CP), 3-Chlorophenol (3-CP), 4-Chlorophenol (4-CP), 2,4-Dichlorophenol (2,4-DCP) and 2,4,6 Trichlorophenol (2,4,6-TCP) has been tested in surface waters in the urban area of Buenos Aires. Samples were taken from the La Plata River and from the Reconquista and Matanza-Riachuelo basins, with a total amount of 18 sampling points. Water quality was established measuring chemical oxygen demand (COD), biochemical oxygen demand (BOD5 ), and both Escherichia coli and Enterococcus counts...
February 20, 2018: Bulletin of Environmental Contamination and Toxicology
Akiko Sato, Yuliya Lyamzina
Since the 2011 Fukushima nuclear accident, tremendous resources have been devoted to recovery, and the Japanese Government is gradually lifting evacuation orders. However, public concerns remain prevalent, affecting some people's return to a normal life and threatening their well-being. This study reviews government reports, academic papers, newspaper articles and conference presentations with the aim of obtaining a better understanding of issues which relate to radiation concerns in the recovery process in the aftermath of the accident...
February 16, 2018: International Journal of Environmental Research and Public Health
Paige E Howell, Erin Muths, Blake R Hossack, Brent H Sigafus, Richard B Chandler
Metapopulation ecology and landscape ecology aim to understand how spatial structure influences ecological processes, yet these disciplines address the problem using fundamentally different modeling approaches. Metapopulation models describe how the spatial distribution of patches affects colonization and extinction, but often do not account for the heterogeneity in the landscape between patches. Models in landscape ecology use detailed descriptions of landscape structure, but often without considering colonization and extinction dynamics...
February 17, 2018: Ecology
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