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Dora Barrancos, Patricia Rosemberg
Just days after the Argentine Chamber of Deputies approved the bill on the Voluntary Termination of Pregnancy, Salud Colectiva asked Dora Barrancos and Patricia Rosemberg to converse with representative Mónica Macha regarding the events leading up to the Chamber's approval of the bill. In the conversation other themes emerged in connection to the energy that flooded the streets all over the country throughout the year. The three women highlighted the activism and sorority present inside and outside of the chamber, the central role of youth, "the revolution of the daughters," the discussion of body autonomy, the role of doctors and how the struggle became a cultural change from which there is no return...
July 2018: Salud Colectiva
Liliana Clara, Viviana M Rodríguez, Pablo Saúl, Cecilia Domínguez, Mercedes Esteban
Intra-abdominal infections represent a group of intra and retroperitoneal processes, ranging from localized infections to complicated ones, sepsis and septic shock, associated with a significant mortality rate. They are the third most commonly identified cause of sepsis and the second cause of death in the intensive care unit. Although antimicrobial therapy must be started as soon as possible, especially in critically ill patients, the source control procedure is highly relevant. On account of the importance of this subject, members of the Argentine Society of Infectious Diseases (SADI) and intensive care specialists joined to develop recommendations on diagnosis, treatment, and prevention of intra-abdominal infections...
2018: Medicina
Yanina A Assef, Cecilia Y Di Prinzio, Cristina N Horak
Environmental impairment resulted from urbanizations can produce damage on freshwater species including strong physiological effects at individual or population level. The multixenobiotic resistance (MXR) is a defence mechanism which has been demonstrated in several aquatic organisms. The key mediators of MXR activity are ATP-binding cassette (ABC) proteins like P-glycoprotein (P-gp). This system protects aquatic organisms against the accumulation of xenobiotics by extruding them from cells in an energy-dependent manner...
November 27, 2018: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
Agustina Rimondi, Ana S Gonzalez-Reiche, Valeria S Olivera, Julieta Decarre, Gabriel J Castresana, Marcelo Romano, Martha I Nelson, Harm van Bakel, Ariel J Pereda, Lucas Ferreri, Ginger Geiger, Daniel R Perez
Wild aquatic birds are the major reservoir of influenza A virus. Cloacal swabs and feces samples (n = 6595) were collected from 62 bird species in Argentina from 2006 to 2016 and screened for influenza A virus. Full genome sequencing of 15 influenza isolates from 6 waterfowl species revealed subtypes combinations that were previously described in South America (H1N1, H4N2, H4N6 (n = 3), H5N3, H6N2 (n = 4), and H10N7 (n = 2)), and new ones not previously identified in the region (H4N8, H7N7 and H7N9)...
November 28, 2018: Emerging Microbes & Infections
Benjamin M Gochnour, Daniel R Suiter, Jerry W Davis, Qingguo Huang
The Argentine ant, Linepithema humile , is an invasive nuisance, agricultural, and ecological pest from South America. In the United States, its primary distribution is in California and the Southeast. The structural pest control industry responds to property owner complaints when this ant's populations become problematic and a persistent nuisance. Actions taken to control Argentine ants in the urban and suburban environment are typically complaint-driven, and often involve the application of insecticide sprays applied to the outdoor environment by professional pest managers...
November 23, 2018: Insects
Agustin Martinez, Catalina Lauroua, Laura B Borrelli, Dale R Gardner, Carlos A Robles
This is the first report of a spontaneous outbreak of Astragalus pehuenches poisoning on a farm in Argentine Patagonia, where 63 out of 70 cattle died. The main clinical signs of affected animals were ataxia, balance loss and progressive emaciation. Purkinje cells presented vacuolation and marginalization of the nucleus. Astragalus pehuenches was detected in the paddock as well as in the ruminal content and fecal matter samples of the affected animals. Swainsonine concentrations in Astragalus specimens were found to be as high as 0...
November 20, 2018: Toxicon: Official Journal of the International Society on Toxinology
L L Molina, E Angón, A García, J Caballero-Villalobos, A O Giorgis, R H Moralejo, J Perea
The venereal diseases bovine trichomoniasis (BT) and bovine genital campylobacteriosis (BGC) cause economic losses in endemic areas like La Pampa province in Argentina, where beef cattle are usually managed extensively. The eradication of both diseases is a priority in Argentine. The aim of this case-control study was to identify shared and specific risk factors of both diseases from the data obtained from the Provincial Program for the Control and Eradication of BT and BGC in La Pampa (PCE). The study population included 5777 breeding beef herds tested for BT and BGC in 2013...
December 1, 2018: Preventive Veterinary Medicine
Rosario Ramos Mejía, Silvia Caino, Virginia Fano, Diana Kelmansky
INTRODUCTION: When height cannot be measured or does not account for actual bone growth in children, due to their condition, it may be estimated using equations based on body segments. OBJETIVES: 1. To compare observed height (OH) and predicted height (PH) based on body segments using the equations of Gauld et al. 2. To analyze its applicability in the estimation and interpretation of body mass index (BMI). Materials and methods: A sample of children and adolescents without musculoskeletal alterations...
December 1, 2018: Archivos Argentinos de Pediatría
Manuel Espinosa, Eliana Marina Alvarez Di Fino, Marcelo Abril, Mario Lanfri, Maria Victoria Periago, Carlos Marcelo Scavuzzo
Aedes aegypti is a vector for Chikungunya, Dengue and Zika viruses in Latin America and is therefore a large public health problem for the region. For this reason, several inter-institutional and multidisciplinary efforts have been made to support vector control actions through the use of geospatial technologies. This study presents the development of an operational system for the application of free access to remotely sensed products capable of assessing the oviposition activity of Ae. aegypti in all of Argentina's northern region with the specific aim to improve the current Argentine National Dengue risk system...
November 9, 2018: Geospatial Health
Valeria Hirschler, Claudia Molinari, Gustavo Maccallini, Patricia Intersimone, Claudio Daniel Gonzalez
OBJECTIVE: To compare blood pressure (BP) levels in two groups of indigenous Argentine school children from similar ethnic backgrounds but living at different altitudes. METHODS: 152 (46.3%) children (age 4-14 years) from San Antonio de los Cobres (SAC), at 3750 m above sea level, and 176 children (53.7%) from Chicoana (CH), at 1400 m, participated in this cross-sectional study. Data for children's anthropometry, BP, glucose, lipids, vitamin D, and insulin, as well as mothers' height and weight, were assessed...
November 16, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
Rocío Celeste Gambaro, Analía Seoane, Gisel Padula
Iron deficiency is the most prevalent nutritional deficiency and the main cause of anemia worldwide. Since children aged 6-24 months are among the most vulnerable groups at risk, daily supplementation with ferrous sulfate is recommended by the Argentine Society of Pediatrics as preventive treatment of anemia. However, a single weekly dose would have fewer adverse side effects and has been therefore proposed as an alternative treatment. Ferrous sulfate is known by its pro-oxidative properties, which may lead to increased oxidative stress as well as lipid, protein, and DNA damage...
November 15, 2018: Biological Trace Element Research
Maria Bas, Ivan Briz I Godino, Myrian Álvarez, Damián G Vales, Enrique A Crespo, Luis Cardona
Stable carbon and nitrogen isotope ratios in the skeletal elements of both ancient and modern marine species from the Beagle Channel were used to compare the structure of Late Holocene and modern food webs, and predict potential changes as a result of a Sea Surface Temperature (SST) increase in the region. Complementary, ancient and modern shells of limpets and mussels were isotopically analysed to explore changes in the isotopic baseline and compare marine food webs through time after an appropriate correction for baseline shifts...
November 14, 2018: Global Change Biology
Jan Buellesbach, Brian A Whyte, Elizabeth Cash, Joshua D Gibson, Kelsey J Scheckel, Rebecca Sandidge, Neil D Tsutsui
Cuticular hydrocarbons (CHCs), the dominant fraction of the insects' epicuticle and the primary barrier to desiccation, form the basis for a wide range of chemical signaling systems. In eusocial insects, CHCs are key mediators of nestmate recognition, and colony identity appears to be maintained through a uniform CHC profile. In the unicolonial Argentine ant Linepithema humile, an unparalleled invasive expansion has led to vast supercolonies whose nestmates can still recognize each other across thousands of miles...
December 2018: Journal of Chemical Ecology
Ana P Mestre, Patricia S Amavet, Agustín I Vanzetti, Ma Soledad Moleón, Ma Virginia Parachú Marcó, Gisela L Poletta, Pablo A Siroski
Several geographical areas where Salvator merianae is distributed in Argentina are included in regions with agricultural activity and exposed to pesticide formulations. Some pesticides could affect defense mechanisms being able alter structures of some components of immune and endocrine systems. To assess the potential effects of pesticides in this reptile under seminatural conditions, on the immune system and endocrine responses in S. merianae we analyzed several blood parameters. Total (TWBCC), differential (DWBCC) white blood cells count, heterophils/lymphocytes index (H/L), lobularity index (LI), natural antibodies (NAbs) titres, complement system (CS), and corticosterone concentration were analyzed in animals exposed to a mixture of cypermethrin (25%), glyphosate (66...
November 9, 2018: Ecotoxicology and Environmental Safety
Nieves Carolina Comelli, Oscar E Romero, Patricia A Diez, Claudia Fidelis Marinho, Pablo Schliserman, Adrian Carrizo, Erlinda V Ortiz, Pablo R Duchowicz
Essential oils from six species of aromatic plants collected in Catamarca province, Argentina, were evaluated for their chemical composition and repellent and insecticidal activities against beetles of the genus Carpophilus (Coleoptera: Nitidulidae) and Oryzaephilus (Coleoptera: Silvanidae), infesting the local walnuts production. Experimental data were analyzed using Generalized Estimating Equations, with normal distribution and the identity link function. From the tested essential oils spectral information, we worked their molecular modeling as mixtures by developing mixture descriptors (Dmix) that combined the molecular descriptor of each component in the mixture (di) and its relative concentration (xi), i...
November 12, 2018: Journal of Agricultural and Food Chemistry
Mercedes Sarudiansky, Guido Pablo Korman, Laura Scévola, Silvia Oddo, Silvia Kochen, Luciana D'Alessio
PURPOSE: To understand the experience of drug-resistant epilepsy in patients from Argentina, a developing nation. METHOD: A qualitative approach using semi-structured interviews was used to gain an in-depth and contextual understanding of the perspectives of 20 patients with DRE. Data collection and analysis were followed by an inductive and interpretive approach informed by the principles of thematic analysis. RESULTS: Six main themes emerged: 1) Characteristics of the illness, including seizure features -unpredictability, presence of auras, physical and cognitive consequences- and how patients relate with the use of antiepileptic drugs; 2) interactions with health system, regarding the features of the Argentine's health system, and patient's health-seeking behaviours; 3) beliefs about the illness, including psychosocial, biological and folk explanatory models; 4) beliefs about how other people perceive them, which included prejudice, responsibility and overprotection; 5) self-perception, and 6) impact of the illness on their activities...
October 23, 2018: Seizure: the Journal of the British Epilepsy Association
Gregorio Bigatti, Javier Signorelli
The list of marine invertebrate biodiversity living in the southern tip of South America is compiled. In particular, the living invertebrate organisms, reported in the literature for the Argentine Sea, were checked and summarized covering more than 8,000 km of coastline and marine platform. After an exhaustive literature review, the available information of two centuries of scientific contributions is summarized. Thus, almost 3,100 valid species are currently recognized as living in the Argentine Sea. Part of this dataset was uploaded to the OBIS database, as a product of the Census of Marine Life-NaGISA project...
2018: ZooKeys
Hannah Page, Andrew Sweeney, Anna Pilko, Noa Pinter-Wollman
Uncovering how and why animals explore their environment is fundamental for understanding population dynamics, the spread of invasive species, species interactions etc. In social animals, individuals within a group can vary in their exploratory behavior and the behavioral composition of the group can determine its collective success. Workers of the invasive Argentine ant ( Linepithema humile ) exhibit individual variation in exploratory behavior, which affects the colony's collective nest selection behavior...
November 1, 2018: Journal of Experimental Biology
Silvana Pérez, María Santa Cruz, Julia Sosa, Paula Kohan, María Medina, Diana Klajn, Silvia Papasidero, José Caracciolo, Gisela Pendón, Federico Giordano, Dora Pereira, Damaris Alvarez, Valeria Astudillo, Eduardo Kerzberg, Adriana Perez Dávila, Analía Bohr, Fernando Melo, Nicolás Lloves, Marta Mamani, Claudia Hartvig, Gabriela Sanchez, Mónica Sacnum, Yamila Chichotky, José Velazco Zamora, Mariana Benegas, Javier Rosa, María García, Laura Raiti, Vanesa Cruzat, Rosana Quintana, Bernardo Pons-Estel, Karin Kirmayr, Andrea D'Orazio, Cinthya Retamozo, Olga Romano, Rodolfo Perez Alamino, María Correa, Gustavo Citera, Oscar Rillo, María Zalazar, Ana Costi, Mercedes García, Graciela Gomez, Hernán Maldonado Ficco
BACKGROUND: The SpENAT, a Spanish version of the Educational Needs Assessment Tool, is a self-completed questionnaire that assesses educational needs (ENs) with the purpose of providing tailored and patient-centered information. It consists of 39 questions grouped into the 7 following domains: Pain management, Movement, Feelings, Arthritic process, Treatments, Self-help measures and Support system. OBJECTIVES: The objective of the study was to describe the ENs of rheumatoid arthritis (RA) patients using the SpENAT and to determine the main sources of information consulted by these patients...
October 29, 2018: Reumatología Clinica
Ignacio Blanco, Isidro Diego, Patricia Bueno, Eloy Fernández, Francisco Casas-Maldonado, Cristina Esquinas, Joan B Soriano, Marc Miravitlles
Surveys estimating chronic obstructive pulmonary disease (COPD) prevalence are unevenly distributed in the Americas, which make it difficult to estimate accurately its geographical distribution. The geographic information system inverse distance weighted (IDW) interpolation technique has proved to be an effective tool in spatial distribution estimation of epidemiological variables, even when real data are few or widely spread. We aimed to represent cartographically the COPD prevalence in the Americas by means of a blue to red scale representation of the prevalence data, where different values are represented as different colours, and a population density filtered IDW interpolation mapping, where areas with a population density <0...
October 30, 2018: COPD
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