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https://www.readbyqxmd.com/read/28426410/nematode-parasites-of-the-chilean-flamingo-phoenicopterus-chilensis-phoenicopteridae-from-central-argentina-with-a-description-of-a-new-species-of-tetrameres-tetrameridae
#1
Verónica Núñez, Fabiana B Drago, María Celina Digiani, Lia I Lunaschi
During the summer of 2013, several specimens of Phoenicopterus chilensis (Phoenicopteridae) were found dead from unknown causes, in lakes from the endorheic system "Encadenadas del Oeste", Buenos Aires Province, Argentina. Two species of Nematoda were recovered from the proventriculus, one of them new for science. The tetramerid Tetrameres (Tetrameres) salina n. sp. is mainly characterized by having reduced pseudolabia, lips absent, six bifid teeth, males with lateral alae, four rows of somatic spines and length ratio of spicules 1:12-32, and large females with eggs lacking polar filaments...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28417211/helminth-diversity-in-synanthropic-rodents-from-an-urban-ecosystem
#2
Diego Hancke, Olga Virginia Suárez
Richness and diversity of parasites depend on a set of interrelated factors related to the characteristics of the host, the environment and the parasites itself. In the City of Buenos Aires, rodent communities vary according to landscape structure. The goal of this paper was to study the variations of helminth richness and diversity among invasive rodent species in different landscape units of the City of Buenos Aires. 73% of the rodents were parasitized with at least one of the 10 identified helminth species...
April 17, 2017: EcoHealth
https://www.readbyqxmd.com/read/28414853/-excessive-osteoporosis-screening-in-women-under-65-years-a-cross-sectional-study
#3
María de Las Nieves Ganiele, Sergio Adrián Terrasa, Karin Silvana Kopitowski
Overuse of osteoporosis screening in women at low risk of fracture may lead to overdiagnosis, inappropriate treatment and medicalization. The objective of this work was to estimate the proportion of women aged 45 to 64 enrolled in a private health insurance plan in Buenos Aires undergoing hip dual-energy x-ray absorptiometry (DXA) in 2011 without meeting osteoporosis screening criteria. In this cross-sectional study, 4310 women of this age range that had undergone a hip DXA were identified. A randomly selected sub-group of 401 women was then assessed for the presence of risk factors for osteoporosis and complete data were retrieved for 178 women...
July 2016: Salud Colectiva
https://www.readbyqxmd.com/read/28402512/defective-trophoblast-invasion-underlies-fetal-growth-restriction-and-pre-eclampsia-like-symptoms-in-the-stroke-prone-spontaneously-hypertensive-rat
#4
G Barrientos, M Pussetto, M Rose, A C Staff, S M Blois, J E Toblli
STUDY QUESTION: What is the impact of chronic hypertension on placental development, fetal growth and maternal outcome in the stroke-prone spontaneously hypertensive rat (SHRSP)? SUMMARY ANSWER: SHRSP showed an impaired remodeling of the spiral arteries and abnormal pattern of trophoblast invasion during placentation, which were associated with subsequent maternal glomerular injury and increased baseline hypertension as well as placental insufficiency and asymmetric fetal growth restriction...
April 11, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28402281/new-species-of-aberrapex-jensen-2001-cestoda-lecanicephalidea-from-eagle-rays-of-the-genus-myliobatis-cuvier-myliobatiformes-myliobatidae-from-off-argentina
#5
Adriana Menoret, Leonardo Mutti, Veronica A Ivanov
Three new species of Aberrapex Jensen, 2001 (Cestoda: Lecanicephalidea) have been collected from species of Myliobatis Cuvier along the coast of Argentina. Aberrapex ludmilae sp. n. parasitises M. goodei Garman in the San Matías Gulf. This species is unique in a combination of features including the shape and extent of the uterus, scolex size, testis distribution, and by lacking an external seminal vesicle and postovarian vitelline follicles. Aberrapex sanmartini sp. n. from M. goodei in San Blas Bay and A...
April 4, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28399225/aedeomyia-squamipennis-diptera-culicidae-in-florida-usa-a-new-state-and-country-record
#6
Nathan D Burkett-Cadena, Erik M Blosser
Aedeomyia squamipennis (Lynch Arribalzaga) is a tropical mosquito (Diptera: Culicidae) found throughout most of the American Tropics, from eastern Mexico through Argentina, including several Caribbean islands. Larvae are typically associated with bodies of water with dense growths of aquatic vegetation, particularly Pistia stratiotes L., water lettuce. Adult females feed predominantly on the blood of birds and seek hosts in forest canopies. Aedeomyia squamipennis is considered an important vector of Gamboa virus and avian malaria, and is also suspected of transmitting Venezuelan equine encephalitis virus...
February 8, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28391953/-efficacy-of-the-treatment-and-secondary-antifungal-prophylaxis-in-aids-related-histoplasmosis-experience-at-the-francisco-j-mu%C3%A3-iz-infectious-diseases-hospital-in-buenos-aires
#7
Ricardo Negroni, Fernando Messina, Alicia Arechavala, Gabriela Santiso, Mario Bianchi
BACKGROUND: Classic histoplasmosis is a systemic endemic mycosis due to Histoplasma capsulatum var. capsulatum. A significant reduction in the morbidity and mortality of AIDS-related histoplasmosis has been observed since the introduction of highly active antiretroviral therapy (HAART) and secondary antifungal prophylaxis. AIMS: The aim of this study was to determine the current state of prognosis and treatment response of HIV-positive patients with histoplasmosis in the Francisco J...
April 5, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28383598/genetic-relatedness-of-peri-implants-and-buccal-candida-albicans-isolates-determined-by-rapd-pcr
#8
Adriana M Bertone, Alcira C Rosa, Natalia Nastri, Hector D Santillán, Yamila Ariza, Cristina A Iovannitti, Virginia M Jewtuchowicz
Molecular techniques have been used in recent studies to identify a wide range of potential bacterial pathogens in periimplant pockets of the oral cavity. However, the prevalence and molecular epidemiology of yeasts and species distribution related to periimplantitis are as yet unknown. The aim of this study was to determine the prevalence and distribution of yeasts in periimplant biofilm and to study genetic relatedness of Candida albicans. Yeasts recovered from periimplant biofilm samples (n=89) and buccal samples (n=120) were studied in 40 immunocompetent nonsmoking patients who visited the dental clinic of the Asociación Implantodontológica Argentina, Buenos Aires, Argentina, and had received oral rehabilitation with implants for more than five years...
December 2016: Acta Odontológica Latinoamericana: AOL
https://www.readbyqxmd.com/read/28379493/salmonella-spp-contamination-in-commercial-layer-hen-farms-using-different-types-of-samples-and-detection-methods
#9
M C Soria, M A Soria, D J Bueno, E I Godano, S C Gómez, I A ViaButron, V M Padin, A D Rogé
The performance of detection methods (culture methods and polymerase chain reaction assay) and plating media used in the same type of samples were determined as well as the specificity of PCR primers to detected Salmonella spp. contamination in layer hen farms. Also, the association of farm characteristics with Salmonella presence was evaluated. Environmental samples (feces, feed, drinking water, air, boot-swabs) and eggs were taken from 40 layer hen houses. Salmonella spp. was most detected in boot-swabs taken around the houses (30% and 35% by isolation and PCR, respectively) follow by fecal samples (15...
March 31, 2017: Poultry Science
https://www.readbyqxmd.com/read/28379128/-associated-factors-with-the-presence-of-secondary-neoplastic-cells-in-the-cerebrospinal-fluid-of-patients-with-suspected-carcinomatous-meningitis
#10
Fernando Warley, María Belén Binella, Diego Hernan Giunta, Cristina M Elizondo, Bruno Leonel Ferreyro, Lucia Caraballo
BACKGROUND: Improvement in oncologic therapy has increased survival in oncologic patients. There has been a concomitant increase in the incidence of secondary meningeal involvement. Early diagnosis is mandatory. OBJECTIVE: To identify factors associated with the presence of secondary neoplastic cells in cerebrospinal fluid of patients with suspected carcinomatous meningitis (CM) Methods: Cross-sectional study involving adult patients with solid cancer diagnosis and suspected CM between 2004 and 2014 at Hospital Italiano de Buenos Aires...
2017: Revista de la Facultad de Ciencias Médicas
https://www.readbyqxmd.com/read/28369072/traffic-related-air-pollution-and-spectacles-use-in-schoolchildren
#11
Payam Dadvand, Mark J Nieuwenhuijsen, Xavier Basagaña, Mar Alvarez-Pedrerol, Albert Dalmau-Bueno, Marta Cirach, Ioar Rivas, Bert Brunekreef, Xavier Querol, Ian G Morgan, Jordi Sunyer
PURPOSE: To investigate the association between exposure to traffic-related air pollution and use of spectacles (as a surrogate measure for myopia) in schoolchildren. METHODS: We analyzed the impact of exposure to NO2 and PM2.5 light absorbance at home (predicted by land-use regression models) and exposure to NO2 and black carbon (BC) at school (measured by monitoring campaigns) on the use of spectacles in a cohort of 2727 schoolchildren (7-10 years old) in Barcelona (2012-2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28343856/contribution-to-the-knowledge-of-pathogenic-fungi-of-spiders-in-argentina-southernmost-record-in-the-world
#12
Romina G Manfrino, Alda González, Jorge Barneche, Julieta Tornesello Galván, Nigel Hywell-Jones, Claudia C López Lastra
The aim of this study was to identify entomopathogenic fungi infecting spiders (Araneae) in a protected area of Buenos Aires province, Argentina. The Araneae species identified was Stenoterommata platensis. The pathogens identified were Lecanicillium aphanocladii Zare & W. Gams, Purpureocillium lilacinum (Thom) Luangsa-ard, Houbraken, Hywel Jones & Samson and Ophiocordyceps caloceroides (Berk & M.A. Curtis). This study constitutes the southernmost records in the world and contributes to expanding the knowledge of the biodiversity of pathogenic fungi of spiders in Argentina...
March 23, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/28335547/genomic-loads-and-genotypes-of-respiratory-syncytial-virus-viral-factors-during-lower-respiratory-tract-infection-in-chilean-hospitalized-infants
#13
Yazmín Espinosa, Camila San Martín, Alejandro A Torres, Mauricio J Farfán, Juan P Torres, Vasanthi Avadhanula, Pedro A Piedra, Lorena I Tapia
The clinical impact of viral factors (types and viral loads) during respiratory syncytial virus (RSV) infection is still controversial, especially regarding newly described genotypes. In this study, infants with RSV bronchiolitis were recruited to describe the association of these viral factors with severity of infection. RSV antigenic types, genotypes, and viral loads were determined from hospitalized patients at Hospital Roberto del Río, Santiago, Chile. Cases were characterized by demographic and clinical information, including days of lower respiratory symptoms and severity...
March 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28318582/purulent-vaginal-discharge-in-grazing-dairy-cows-risk-factors-reproductive-performance-and-prostaglandin-f2%C3%AE-treatment
#14
M J Giuliodori, M Magnasco, R P Magnasco, I M Lacau-Mengido, R L de la Sota
The objectives of this study were to assess the association of a 4-point scale of vaginal discharge score (VDS) with time to pregnancy to define criteria for a practical case of purulent vaginal discharge (PVD) in dairy cows, to test the risk factors for PVD, and, finally, the effect of a dose of PGF2α on cure and reproductive performance. In experiment 1, grazing Holstein cows (n = 2,414) had their vaginal discharge scored at ∼32 d in milk (DIM) on a 4-point scale, the effect of VDS on the hazard of pregnancy by 300 DIM was then assessed to derive a case definition of PVD...
May 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28318181/risk-factors-associated-with-tobacco-alcohol-and-drug-use-among-adolescents-attending-secondary-school-in-three-cities-from-argentina
#15
Paola Morello, Adriana Pérez, Lorena Peña, Sandra N Braun, Christy Kollath-Cattano, James F Thrasher, James Sargent, Raúl Mejía
Tobacco, alcohol and drug use starts at an early age. It is important to identify risk factors associated with initiation. In 2014, a survey was conducted among students attending first year of secondary schools in Buenos Aires, Córdoba, and Tucumán. A total of 3172 students completed the survey (42% were girls); their mean age was 12.8 years old. Findings showed that 10% had smoked; 32% had consumed alcohol; 17% had a heavy drinking episode in the past month; and 8% had used at least one illegal drug once in their lifetime...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28315489/effect-of-angiotensin-2-receptor-blockers-on-chronic-obstructive-lung-disease-mortality-a-retrospective-cohort-study
#16
Pilar Paulin, Joaquin Maritano Furcada, Catalina M Ungaro, Gisela Bendelman, Gabriel D Waisman, Matias H Castro, Diego H Giunta, Bruno L Ferreyro
INTRODUCTION: Chronic Obstructive Pulmonary Disease (COPD) is the fifth cause of mortality worldwide. Systemic inflammation is a crucial element in its physiopathology. As Renin-Angiotensin System is one of the main components of this inflammatory neurohumoral cascade, Angiotensin Receptor Blockers (ARBs) might have an effect on mortality in COPD patients. GOAL: To evaluate the association between ARBs treatment and mortality in COPD patients. METHODS: Retrospective cohort of patients with diagnosis of COPD from 2003 to 2013...
March 14, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28282088/-history-of-the-department-of-neurology-at-the-university-of-buenos-aires-1887-2007
#17
Ricardo F Allegri, Leonardo Bartoloni, Roberto E Sica
In 1887, only five years after Jean-Martin Charcot was awarded the Head of Neurology at "La Salpetrière" in Paris, José María Ramos Mejía became the first professor of Neurology in South America, at the School of Medicine of the University of Buenos Aires. Ramos Mejía convoked three assistants, the neuropathologist Christofredo Jakob, the clinician José A. Esteves and José Ingenieros. Hence it followed that Neurology in Argentina took a stand based on a clinical neurology-neuropathology approach (1941-1987) followed by a clinical-semiological attitude, finally inserting itself within the modern times (1987-present) by creating subspecialties...
July 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28282080/-smoking-rates-among-students-of-medicine-at-a-university-institute-in-buenos-aires-cross-section-study
#18
Lucas E Gonzalez, Nicolás A Lescano, Sergio A Terrasa, María V Salgado
INTRODUCTION: Argentina has a smoking rate among adults of 22.1%; previous research has shown medical students smoke at the same rate than the general population. Physicians' smoking status affects their ability to provide anti-smoking advice. METHODS: Observational cross-sectional study. In 2011 a survey was administered to medical students at Hospital Italiano de Buenos Aires School of Medicine asking about demographic and tobacco use characteristics, and knowledge and attitudes toward smoking...
July 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28282071/-new-predictors-in-prodromal-alzheimer-deferred-phase-in-word-recall-of-mis-test
#19
Edith Labos, Sofía Trojanowski, Marcelo Schapira, Daniel Seinhart, Alejandro Renato
BACKGROUND: The Memory Impairment Screen (MIS-A) is a validated test to detect Alzheimer's Disease (AD) and other dementias. We have modified this test to suit a Spanish speaking population and added a new component, delayed recall (MIS-D). OBJECTIVES: 1) To test a Spanish version of MIS-A and MIS-D. 2) To assess the discriminative validity of MIS-D as a screening tool for the amnestic variant of Mild Cognitive Impairment (aMCI). METHODS: A case-control study of a cohort of 739 aged 65 years old and over, of whom 436 were healthy controls and 303 had a diagnosis of aMCI...
September 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28279085/aquatic-activities-during-pregnancy-prevent-excessive-maternal-weight-gain-and-preserve-birth-weight
#20
Mariano Bacchi, Michelle F Mottola, Maria Perales, Ignacio Refoyo, Ruben Barakat
PURPOSE: The aim of the present study was to examine the influence of a supervised and regular program of aquatic activities throughout gestation on maternal weight gain and birth weight. DESIGN: A randomized clinical trial. SETTING: Instituto de Obstetricia, Ginecología y Fertilidad Ghisoni (Buenos Aires, Argentina). PARTICIPANTS: One hundred eleven pregnant women were analyzed (31.6 ± 3.8 years). All women had uncomplicated and singleton pregnancies; 49 were allocated to the exercise group (EG) and 62 to the control group (CG)...
January 1, 2017: American Journal of Health Promotion: AJHP
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