La historia reciente en los actos escolares de escuelas secundarias

Los actos patrios fueron incorporados al sistema educativo a fines del siglo XIX como parte del dispositivo de consolidación del Estado Nacional. Desde esa época se realizan de manera ininterrumpida, razón por la cual se los considera como uno de los componentes de la cultura escolar. Ante la perdurabilidad de los actos patrios en las escuelas y su permanente realización a lo largo de más de cien años surge como inquietud observarlos y analizarlos, para explorar de qué manera se procesa el pasado reciente mediante el dispositivo acto escolar. La escuela secundaria es portadora del mandato social de conmemorar el pasado reciente y a la vez es productora de sentidos mediante las dinámicas de trabajo y de acción que en ella se producen. En este contexto interesa conocer cómo se procesa y cómo se desarrolla el mandato de conmemorar el pasado reciente mediante los actos escolares. Para ello se analizaron tres actos realizados en escuelas secundarias de la zona de influencia de la UNGS durante 2015 y 2016, referidos a la efeméride del 24 de marzo, en conmemoración del Día Nacional de la Memoria por la Verdad y la Justicia. Las preguntas que orientan este trabajo son las siguientes, ¿Qué ideas y qué valores se transmiten en los actos escolares referidos al 24 de marzo? ¿Qué actores se mencionan y cómo se los caracteriza? ¿Aparecen en los discursos los desaparecidos, los organismos defensores de los derechos humanos, la lucha y la resistencia? ¿De qué manera se caracteriza a la dictadura? ¿Cuál es el sentido de la conmemoración, para qué se recuerda? ¿Se transmite lo sucedido de manera crítica o solo se hace un relato de los hechos ocurridos durante la dictadura? ¿Aparece la disputa y la polémica sobre la memoria y sobre el pasado reciente? ¿Se presenta al pasado reciente como un proceso cerrado, acabado, o se lo presenta como un pasado abierto, inconcluso que se vincula con el presente?Facultad de Humanidades y Ciencias de la Educació

Beginning teachers teach history

El objetivo de este trabajo es conocer cómo se incorporan a la labor docente, y en ese contexto cómo enseñan historia, los profesores noveles egresados de los profesorados en historia de la UNGS (Universidad Nacional de General Sarmiento) y del ISFD nº 42 (Instituto Superior de Formación Docente). Son considerados docentes noveles o principiantes aquellos profesores que se encuentran en los primeros tres años del ejercicio de la profesión. La información aquí presentada fue recogida a través de una investigación de tipo cualitativa realizada entre el IDH (Instituto del Desarrollo Humano), perteneciente a la Universidad Nacional de General Sarmiento y el Instituto Superior de Formación Docente nº 42 de San Miguel, provincia de Buenos Aires Este proyecto, realizado entre los años 2008 y 2010, fue dirigido por la doctora Gabriela Diker, quien en ese momento se desempeñaba como coordinadora del área de formación del IDH de la UNGS. Preguntas como: ¿cuáles son las dificultades que deben afrontar los profesores principiantes?, ¿qué respuestas elaboran ante dichas dificultades?, ¿cómo desarrollan el proceso de enseñanza de la historia?, ¿qué recursos y materiales utilizan para ello?, ¿cómo influyen las trayectorias de formación docente sobre las prácticas que desarrollan los profesores principiantes? servirán de guía a fin de poder indagar la trayectoria docente en este período inicial para luego caracterizarlo, analizarlo y finalmente volver a evaluar los alcances y límites de la información brindada por la investigación. Un punto interesante será comparar los trayectos formativos por los que atravesaron los graduados de ambas instituciones, teniendo en cuenta que un grupo de graduados se formó en una institución universitaria y el otro colectivo de profesores proviene de una institución terciaria. El objetivo es identificar si las instituciones formadoras de base ejercen alguna influencia que permita diferenciar comparativamente las prácticas de un grupo respecto del otro.The aim of this study was to determine as incorporated into the teaching and in this context as taught history new teachers graduated from the professorships in History of UNGS (National University of General Sarmiento) and ISFD nº 42 (Institute of Training teachers). They are considered new teachers or novice teachers who are in the first three years of professional practice. The information presented herein was collected through a qualitative type of research conducted between the HDI (Human Development Institute), belonging to the National University of General Sarmiento and the Higher Institute of Teacher Education nº 42 San Miguel, province of Buenos Aires. This project, conducted from 2008 up to 2010, was led by Dr. Gabriela Diker, who then served as training coordinator of the HDR of UNGS. Questions like: What are the difficulties faced by beginning teachers, how do they elaborate responses to these difficulties?, how developed the teaching of history?, what resources and materials used for it?, how influence the trajectories of teacher training on best practices developed by beginning teachers? will guide in order to investigate the teaching career in this initial period, then, characterize, analyze and finally re–evaluate the scope and limitations of the information provided by research. An interesting point is to compare the formative stages by which crossed the graduates of both institutions, bearing in mind that a group of graduates formed in a university and the other group of teachers from a tertiary institution. The aim is to identify whether basic training institutions have some influence for differentiating comparatively practices of a group over the other.Facultad de Humanidades y Ciencias de la Educació

Los actos patrios en la escuela secundaria y la construcción de identidades

El objetivo de este trabajo es analizar un conjunto de actos escolares con el fin de explorar como se conjuga hoy el clásico propósito de formar identidades y ciudadanías. Si durante aproximadamente cien años los actos escolares transmitieron una identidad nacional patriótica, la inquietud hoy es observar en qué medida esos mismos rituales albergan otros elementos identitarios que aluden a diversas dimensiones (como la identidad bonaerense y la latinoamericana) y otros valores (como la defensa de la democracia, el respeto por los derechos humanos, el cuidado del medio ambiente, la participación ciudadana) así como explorar si se entraman nuevas lecturas e interpretaciones, sobre una identidad 81 nacional heterogénea, experiencial y situacional. El trabajo mostrará indicios de los cambios ocurridos en el formato acto escolar, como también en el contenido de los  discursos que en ellos se brindan y en los nuevos sentidos que parecen tener para la vida escolar

O livro como recurso didatico no ensino do futebol

Orientador: João Batista Freire da SilvaDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Educação FisicaResumo: Por meio da pesquisa de Iniciação Científica,ficou constatada a limitação do uso de recursos auxiliares na aprendizagem de futebol. A pesquisa indicou,que os materiais didáticos utilizados habitualmente são a bola, cones, barras,cordas,colchões entre outros. Notoriamente os educadores deixam a margem do processo outros interessantes,como fotografias,desenhos,trabalhos impressos,livros, vídeos, músicas entre outros.A partir desta verificação,o autor do projeto em destaque,elaborou um protótipo de livro didático voltado para o ensino de futebol. O protótipo,tornou-se passaporte para um segundo projeto de pesquisa, desta vez vinculado ao Programa de Pós-Graduação da Faculdade de Educação Física da Universidade Estadual de Campinas. Esta pesquisa esta pautada em três segmentos. O primeiro, consiste em compreender com mais profundidade o que representa o livro didático no contexto histórico-nacional. Neste caso,é apresentado como surgiu o "problema livro didático",as primeiras impressões até os tempos atuais,revelando particularidade sobre o percurso deste importante recurso. ... Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digitalAbstract: Across one Scientific Initiation Investigation,have beenchecked that the use of auxiliary resources in soccer apprenticeship is limited.The study has indicated the didactics materiais that normally have been utilized are: the ball, cones,rods,ropes,mattress and so one. Evident,in this way, many teachers leave off use many others resources very interesting like: photos,drawings,books,videos, music,etc. Since this verification, the author of this Project has decided createa didactic bookmodel to teachsoccer. This book modelor prototype have become passport to the new SearchProject,but at this time, like Postgraduation Programin a Master Degree Levei in the Physical Education College (Campinas. State ! University). The new investigation was divided in three segments.The first one are going to talk about the didactic book representation in a historic and national context besides to present how" the didactic bookp roblem"appear and a lithe book history till nowadays. The second one are going to show how the book can be a very important and necessary recourse and stills how his advantages and disadvantages in a teaching processo.Finally,the last segment approaches the book with the Physical Education context establishing techníque, historic,social and politics considerations, introducing three theories that iIIustrate the possibilities about use of the didacticbook in the soccer teaching and finish making the model book evaluation. ... Note: The complete abstract is available with the full electronic digital thesis or dissertationsMestradoMestre em Educação Físic

Recent advancement on PD-L1 expression quantification: the radiologist perspective on CT-guided FNAC

PURPOSE: We aimed to evaluate the feasibility, accuracy, and safety of Programmed Death-1/ Programmed Death-Ligand 1 (PD-1/ PD-L1) expression quantification in cytology cell-block samples obtained through transthoracic CT-guided fine-needle aspiration cytology (FNAC) from the interventional radiologist's perspective.METHODS: We performed a consecutive unselected series of 361 CT-guided biopsies of pulmonary nodules and masses which came to our observation from June 2017 to October 2018. For each case, exhaustive clinical, morphologic, molecular and tomographic data were available. All the material obtained was fixed in formalin to obtain a cell-block for the pathologist, who performed immunohistochemical analysis to detect PD-L1 expression levels on each sample.RESULTS: Of all the analyzed samples, 93.6% (338/361) were defined to be diagnostic, including neoplastic (72%, 260/361) and non-neoplastic lesions (21.6%, 78/361); only 6.4% (23/361) of them resulted in nondiagnostic specimens. Non-small cell lung cancer (NSCLC) accounted for 73.8% of neoplastic lesions (192/260): most of them were adenocarcinoma (83%, 160/192), followed by squamous carcinoma (14%, 27/192) and poorly differentiated carcinoma (3%, 5/192). In 96% of NSCLC (184/192), the diagnosis was reached either in the absence of complications or with early minor complications. PD-L1 expression was evaluated in all 192 NSCLC cytology specimens: 180 immunostainings were found to be adequate for PD-L1 testing. In 76% of cases, PD-L1 expression level was lower than 50%.CONCLUSION: The findings of our study indicate that PD-L1 quantification using a cell-block approach on CT-guided FNAC is a feasible and safe technique and should be taken into account alongside with core biopsy approach, especially in case of advanced disease and/or fragile and older patients

Imaging Accuracy in Preoperative Staging of T3-T4 Laryngeal Cancers

Preoperative imaging impacts treatment planning and prognosis in laryngeal cancers. We investigated the accuracy of standard computed tomography (CT) in evaluating tumor invasions at critical glottic areas

Prostatic Artery Embolization as a Primary Treatment for Benign Prostatic Hyperplasia: Preliminary Results in Two Patients

Symptomatic benign prostatic hyperplasia (BPH) typically occurs in the sixth and seventh decades, and the most frequent obstructive urinary symptoms are hesitancy, decreased urinary stream, sensation of incomplete emptying, nocturia, frequency, and urgency. Various medications, specifically 5-α-reductase inhibitors and selective α-blockers, can decrease the severity of the symptoms secondary to BPH, but prostatectomy is still considered to be the traditional method of management. We report the preliminary results for two patients with acute urinary retention due to BPH, successfully treated by prostate artery embolization (PAE). The patients were investigated using the International Prostate Symptom Score, by digital rectal examination, urodynamic testing, prostate biopsy, transrectal ultrasound (US), and magnetic resonance imaging (MRI). Uroflowmetry and postvoid residual urine volume complemented the investigation at 30, 90, and 180 days after PAE. The procedure was performed under local anesthesia; embolization of the prostate arteries was performed with a microcatheter and 300- to 500-μm microspheres using complete stasis as the end point. One patient was subjected to bilateral PAE and the other to unilateral PAE; they urinated spontaneously after removal of the urethral catheter, 15 and 10 days after the procedure, respectively. At 6-month follow-up, US and MRI revealed a prostate reduction of 39.7% and 47.8%, respectively, for the bilateral PAE and 25.5 and 27.8%, respectively, for the patient submitted to unilateral PAE. The early results, at 6-month follow-up, for the two patients with BPH show a promising potential alternative for treatment with PAE

A machine-learning based bio-psycho-social model for the prediction of non-obstructive and obstructive coronary artery disease

Background: Mechanisms of myocardial ischemia in obstructive and non-obstructive coronary artery disease (CAD), and the interplay between clinical, functional, biological and psycho-social features, are still far to be fully elucidated. Objectives: To develop a machine-learning (ML) model for the supervised prediction of obstructive versus non-obstructive CAD. Methods: From the EVA study, we analysed adults hospitalized for IHD undergoing conventional coronary angiography (CCA). Non-obstructive CAD was defined by a stenosis < 50% in one or more vessels. Baseline clinical and psycho-socio-cultural characteristics were used for computing a Rockwood and Mitnitski frailty index, and a gender score according to GENESIS-PRAXY methodology. Serum concentration of inflammatory cytokines was measured with a multiplex flow cytometry assay. Through an XGBoost classifier combined with an explainable artificial intelligence tool (SHAP), we identified the most influential features in discriminating obstructive versus non-obstructive CAD. Results: Among the overall EVA cohort (n = 509), 311 individuals (mean age 67 ± 11 years, 38% females; 67% obstructive CAD) with complete data were analysed. The ML-based model (83% accuracy and 87% precision) showed that while obstructive CAD was associated with higher frailty index, older age and a cytokine signature characterized by IL-1β, IL-12p70 and IL-33, non-obstructive CAD was associated with a higher gender score (i.e., social characteristics traditionally ascribed to women) and with a cytokine signature characterized by IL-18, IL-8, IL-23. Conclusions: Integrating clinical, biological, and psycho-social features, we have optimized a sex- and gender-unbiased model that discriminates obstructive and non-obstructive CAD. Further mechanistic studies will shed light on the biological plausibility of these associations. Clinical trial registration: NCT02737982

Serum Albumin Is Inversely Associated With Portal Vein Thrombosis in Cirrhosis

We analyzed whether serum albumin is independently associated with portal vein thrombosis (PVT) in liver cirrhosis (LC) and if a biologic plausibility exists. This study was divided into three parts. In part 1 (retrospective analysis), 753 consecutive patients with LC with ultrasound-detected PVT were retrospectively analyzed. In part 2, 112 patients with LC and 56 matched controls were entered in the cross-sectional study. In part 3, 5 patients with cirrhosis were entered in the in vivo study and 4 healthy subjects (HSs) were entered in the in vitro study to explore if albumin may affect platelet activation by modulating oxidative stress. In the 753 patients with LC, the prevalence of PVT was 16.7%; logistic analysis showed that only age (odds ratio [OR], 1.024; P = 0.012) and serum albumin (OR, -0.422; P = 0.0001) significantly predicted patients with PVT. Analyzing the 112 patients with LC and controls, soluble clusters of differentiation (CD)40-ligand (P = 0.0238), soluble Nox2-derived peptide (sNox2-dp; P < 0.0001), and urinary excretion of isoprostanes (P = 0.0078) were higher in patients with LC. In LC, albumin was correlated with sCD4OL (Spearman's rank correlation coefficient [r(s)], -0.33; P < 0.001), sNox2-dp (r(s), -0.57; P < 0.0001), and urinary excretion of isoprostanes (r(s), -0.48; P < 0.0001) levels. The in vivo study showed a progressive decrease in platelet aggregation, sNox2-dp, and urinary 8-iso prostaglandin F2 alpha-III formation 2 hours and 3 days after albumin infusion. Finally, platelet aggregation, sNox2-dp, and isoprostane formation significantly decreased in platelets from HSs incubated with scalar concentrations of albumin. Conclusion: Low serum albumin in LC is associated with PVT, suggesting that albumin could be a modulator of the hemostatic system through interference with mechanisms regulating platelet activation

Impact of COVID-19 on cardiovascular testing in the United States versus the rest of the world

Objectives: This study sought to quantify and compare the decline in volumes of cardiovascular procedures between the United States and non-US institutions during the early phase of the coronavirus disease-2019 (COVID-19) pandemic. Background: The COVID-19 pandemic has disrupted the care of many non-COVID-19 illnesses. Reductions in diagnostic cardiovascular testing around the world have led to concerns over the implications of reduced testing for cardiovascular disease (CVD) morbidity and mortality. Methods: Data were submitted to the INCAPS-COVID (International Atomic Energy Agency Non-Invasive Cardiology Protocols Study of COVID-19), a multinational registry comprising 909 institutions in 108 countries (including 155 facilities in 40 U.S. states), assessing the impact of the COVID-19 pandemic on volumes of diagnostic cardiovascular procedures. Data were obtained for April 2020 and compared with volumes of baseline procedures from March 2019. We compared laboratory characteristics, practices, and procedure volumes between U.S. and non-U.S. facilities and between U.S. geographic regions and identified factors associated with volume reduction in the United States. Results: Reductions in the volumes of procedures in the United States were similar to those in non-U.S. facilities (68% vs. 63%, respectively; p = 0.237), although U.S. facilities reported greater reductions in invasive coronary angiography (69% vs. 53%, respectively; p < 0.001). Significantly more U.S. facilities reported increased use of telehealth and patient screening measures than non-U.S. facilities, such as temperature checks, symptom screenings, and COVID-19 testing. Reductions in volumes of procedures differed between U.S. regions, with larger declines observed in the Northeast (76%) and Midwest (74%) than in the South (62%) and West (44%). Prevalence of COVID-19, staff redeployments, outpatient centers, and urban centers were associated with greater reductions in volume in U.S. facilities in a multivariable analysis. Conclusions: We observed marked reductions in U.S. cardiovascular testing in the early phase of the pandemic and significant variability between U.S. regions. The association between reductions of volumes and COVID-19 prevalence in the United States highlighted the need for proactive efforts to maintain access to cardiovascular testing in areas most affected by outbreaks of COVID-19 infection