55 research outputs found

    LITHOSTRATIGRAPHIC UNITS, PETROGRAPHY ANDS CHEMICALCOMPOSITION OF THE MITÚ MIGMATITIC COMPLEX IN THESURROUNDINGS OF MITÚ, COLOMBIA

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      ABSTRACT Mitú Complex migmatites rocks correlates with the province of ‘Rio Negro- Juruena’ (Brazil). Mitú on the plategeologic 443 in an area of 1,115 km2 approximately where divided into three units called Monzogranite of Mitú, Pringamosa’s Granofels and Neis del Yi; units with macroscopic textural and structural differences, and similar mineralogical composition. The rocks from Mitu’s monzogranite are classified petrographically as monzogranites with syenogranites, granodiorites and subordinated quartz feldspar granofels. The Pringamosa´s Granofels groups granofels and gneisses with homophonous migmatitic structures, nebulite, ophthalmic, schlieren and banded, of granitic composition and Neis del Yí’ groups quartz tube feldspathic gneisses with biotite and large porphyroblasts alkaline feldspar by way of augen together with quartz-feldspar granofels bands with biotite. The essential minerals found in these units are quartz, potassium feldspar (microcline), plagioclase (andesine-oligoclase) and biotite. Accessory minerals are apatite, zircon, monazite, opaque, rutile, allanite, fluorite and hastingsite. Roks from Mitú’s Migmatites Complex are high potassium sub-alkaline, metaluminous and peraluminous affinity, correspond to grains of A type affinity ferrous and magnetite series, with enrichment of REE in samples with monazite. Keywords: monzogranite, granofels, Mitú, caño YíEl Complejo Migmatítico de Mitú se correlaciona con las rocas de la Provincia Río Negro – Juruena (Brasil). En la plancha 443 Mitú aflora en un área aproximada de 1.115 km2, donde se dividió en tres unidades denominadas Monzogranito de Mitú, Granofels de Pringamosa y Neis del Yi; unidades que tienen diferencias macroscópicas texturales y estructurales, y composición mineralógica similar.Las rocas del Monzogranito de Mitú se clasifican petrográficamente como monzogranitos con sienogranitos, granodioritas y granofels cuarzo feldespáticos subordinados. El Granofels de Pringamosa agrupa granofels y neises con estructuras migmatíticas homófonas, nebulíticas, oftálmicas, schlieren y bandeadas, de composición granítica y el Neis del Yí agrupa neises cuarzo feldespáticos con biotita y grandes porfidoblastos de feldespato alcalino a manera de augenes junto a bandas de granofels cuarzo-feldespáticos con biotita. Los minerales esenciales que se encuentran en estas unidades son cuarzo, feldespato potásico (microclina), plagioclasa(oligoclasa-andesina) y biotita. Los minerales accesorios son apatito, circón, monacita, opacos, rutilo, allanita, fluorita y hastingsita. Las rocas del Complejo Migmatítico de Mitú son subalcalinas altas en potasio, con afinidad metaluminosa y peraluminosa, corresponden a granitos de tipo A de afinidad ferrosa y de las series de magnetita, con enriquecimiento de REE en las muestras que tienen monacita. Palabras Clave: monzogranito, granofels, Mitú, caño Yí &nbsp

    LITHOSTRATIGRAPHIC UNITS, PETROGRAPHY ANDS CHEMICALCOMPOSITION OF THE MITÚ MIGMATITIC COMPLEX IN THESURROUNDINGS OF MITÚ, COLOMBIA

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      ABSTRACT Mitú Complex migmatites rocks correlates with the province of ‘Rio Negro- Juruena’ (Brazil). Mitú on the plategeologic 443 in an area of 1,115 km2 approximately where divided into three units called Monzogranite of Mitú, Pringamosa’s Granofels and Neis del Yi; units with macroscopic textural and structural differences, and similar mineralogical composition. The rocks from Mitu’s monzogranite are classified petrographically as monzogranites with syenogranites, granodiorites and subordinated quartz feldspar granofels. The Pringamosa´s Granofels groups granofels and gneisses with homophonous migmatitic structures, nebulite, ophthalmic, schlieren and banded, of granitic composition and Neis del Yí’ groups quartz tube feldspathic gneisses with biotite and large porphyroblasts alkaline feldspar by way of augen together with quartz-feldspar granofels bands with biotite. The essential minerals found in these units are quartz, potassium feldspar (microcline), plagioclase (andesine-oligoclase) and biotite. Accessory minerals are apatite, zircon, monazite, opaque, rutile, allanite, fluorite and hastingsite. Roks from Mitú’s Migmatites Complex are high potassium sub-alkaline, metaluminous and peraluminous affinity, correspond to grains of A type affinity ferrous and magnetite series, with enrichment of REE in samples with monazite. Keywords: monzogranite, granofels, Mitú, caño YíEl Complejo Migmatítico de Mitú se correlaciona con las rocas de la Provincia Río Negro – Juruena (Brasil). En la plancha 443 Mitú aflora en un área aproximada de 1.115 km2, donde se dividió en tres unidades denominadas Monzogranito de Mitú, Granofels de Pringamosa y Neis del Yi; unidades que tienen diferencias macroscópicas texturales y estructurales, y composición mineralógica similar.Las rocas del Monzogranito de Mitú se clasifican petrográficamente como monzogranitos con sienogranitos, granodioritas y granofels cuarzo feldespáticos subordinados. El Granofels de Pringamosa agrupa granofels y neises con estructuras migmatíticas homófonas, nebulíticas, oftálmicas, schlieren y bandeadas, de composición granítica y el Neis del Yí agrupa neises cuarzo feldespáticos con biotita y grandes porfidoblastos de feldespato alcalino a manera de augenes junto a bandas de granofels cuarzo-feldespáticos con biotita. Los minerales esenciales que se encuentran en estas unidades son cuarzo, feldespato potásico (microclina), plagioclasa(oligoclasa-andesina) y biotita. Los minerales accesorios son apatito, circón, monacita, opacos, rutilo, allanita, fluorita y hastingsita. Las rocas del Complejo Migmatítico de Mitú son subalcalinas altas en potasio, con afinidad metaluminosa y peraluminosa, corresponden a granitos de tipo A de afinidad ferrosa y de las series de magnetita, con enriquecimiento de REE en las muestras que tienen monacita. Palabras Clave: monzogranito, granofels, Mitú, caño Yí &nbsp

    Salud escolar en tiempos de Covid

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    El regreso a los centros educativos tras los meses de confinamiento por la pandemia de COVID-19 ha supuesto un reto para todos los países del mundo. En el caso de Europa, y concretamente España, la vuelta a las aulas ha sido un proceso complejo en el que el papel de la enfermera escolar ha sido fundamental. El objetivo del proyecto es analizar el impacto de la pandemia sobre los estudiantes de todos los niveles, así como las dificultades más relevantes encontradas en la incorporación a la educación y el papel de la enfermera en ello. Los resultados detallan los problemas más prevalentes a nivel sanitario, socioeconómico y legislativo que han surgido a raíz de la pandemia a nivel europeo, estatal y comunitario en el caso de la Comunidad de Madrid y desarrollan la labor fundamental de las enfermeras escolares en el cumplimiento de los protocolos elaborados para la reincorporación de los estudiantes a la educación semi-presencial. En las conclusiones se recogen las principales consecuencias sobre la salud bio-psico-social de los estudiantes de todos los niveles a raíz de la pandemia, la repercusión que tuvo sobre su educación, el cambio a la modalidad virtual durante el confinamiento iniciado en el mes de marzo y la posterior adaptación al sistema semi-presencial, donde uno de los protagonistas es la enfermera escolar. Su labor se basa en asegurar el cumplimiento de los protocolos y medidas de protección instauradas en todos los centros educativos y velar por la seguridad de todas las personas implicadas.Coming back to schools after months of lockdown due to the COVID-19 pandemic has been a challenge for all countries in the world. In the case of Europe, and specifically Spain, the return to the classroom has been a complex process in which the role of the school nurse has been key. The aim of the project is to analyse the impact of the pandemic on students at all levels, as well as the most relevant difficulties encountered in the incorporation into education and the role of the nurse in this. The results detail the most prevalent problems at a health, socio-economic and legislative level that have arisen as a result of the pandemic at a European, Spanish and regional level in the case of the Community of Madrid and develop the fundamental work of school nurses in the fulfilment of the protocols drawn up for the reincorporation of students into semi-attendance education. The conclusions include the main consequences on the bio-psycho-social health of students at all levels as a result of the pandemic, the impact on their education of the change to the virtual modality during the confinement that began in March and the subsequent adaptation to the blended learning system, where one of the protagonists is the school nurse. Their work is based on ensuring compliance with the protocols and protective measures established in all educational centres and ensuring the safety of all those involved

    A primary healthcare information intervention for communicating cardiovascular risk to patients with poorly controlled hypertension: The Education and Coronary Risk Evaluation (Educore) study-A pragmatic, cluster-randomized trial

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    PURPOSE: Uncertainty exists regarding the best way to communicate cardiovascular risk (CVR) to patients, and it is unclear whether the comprehension and perception of CVR varies according to the format used. The aim of the present work was to determine whether a strategy designed for communicating CVR information to patients with poorly controlled high blood pressure (HBP), but with no background of cardiovascular disease, was more effective than usual care in the control of blood pressure (BP) over the course of a year. METHODS: A pragmatic, two-arm, cluster-randomized controlled trial was performed. Consecutive patients aged 40-65 years, all diagnosed with HBP in the last 12 months, and all of whom showed poor control of their condition (systolic BP ≥140 mmHg and/or diastolic BP ≥90 mmHg), were recruited at 22 primary healthcare centres. Eleven centres were randomly assigned to the usual care arm, and 11 to the informative intervention arm (Educore arm). At the start of the study, the Educore arm subjects were shown the "low risk SCORE table", along with impacting images and information pamphlets encouraging the maintenance of good cardiovascular health. The main outcome variable measured was the control of HBP; the secondary outcome variables were SCORE table score, total plasma cholesterol concentration, use of tobacco, adherence to prescribed treatment, and quality of life. RESULTS: The study participants were 411 patients (185 in the Educore arm and 226 in the usual care arm). Multilevel logistic regression showed that, at 12 months, the Educore intervention achieved better control of HBP (OR = 1.57; 1.02 to 2.41). No statistically significant differences were seen between the two arms at 12 months with respect to the secondary outcomes. CONCLUSIONS: Compared to usual care, the Educore intervention was associated with better control of HBP after adjusting for age, baseline SBP and plasma cholesterol, at 12 months.This study was funded by the Spanish Ministry of Science and Innovation via the Instituto de Salud Carlos III, Subprograma de Proyectos de Investigación en Evaluación de Tecnologías Sanitarias y Servicios de Salud (PI 09/90354), and the Fundación de Investigación e Innovación Biomédica en Atención Primaria (FIIBAP). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscriptS

    Monitorización y seguimiento del esfuerzo realizado por los estudiantes y de su asistencia a actividades presenciales

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    Este artículo documenta el planteamiento, la metodología y los primeros resultados de un plan de monitorización detallada del esfuerzo y de asistencia a actividades presenciales por parte de los estudiantes de las titulaciones ofertadas por la Escuela Técnica Superior de Ingenieros Navales de la Universidad Politécnica de Madrid durante el segundo cuatrimestre del curso 2011-2012. Se ha establecido un sistema mecánico de recogida de datos de esfuerzo por parte de los estudiantes utilizando una hoja tipo test especialmente configurada al efecto. Se pasa una hoja en todas y cada una de las actividades presenciales realizadas y en la hoja se solicita información sobre el trabajo "fuera de clase". Se documenta en este artículo cómo se ha estructurado esa hoja, qué tipo de datos se recogen, cómo se tratan mediante una base de datos creada al efecto, qué tipo de análisis se puede realizar y qué resultados preliminares obtenemos de dichos análisis

    Treatment with tocilizumab or corticosteroids for COVID-19 patients with hyperinflammatory state: a multicentre cohort study (SAM-COVID-19)

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    Objectives: The objective of this study was to estimate the association between tocilizumab or corticosteroids and the risk of intubation or death in patients with coronavirus disease 19 (COVID-19) with a hyperinflammatory state according to clinical and laboratory parameters. Methods: A cohort study was performed in 60 Spanish hospitals including 778 patients with COVID-19 and clinical and laboratory data indicative of a hyperinflammatory state. Treatment was mainly with tocilizumab, an intermediate-high dose of corticosteroids (IHDC), a pulse dose of corticosteroids (PDC), combination therapy, or no treatment. Primary outcome was intubation or death; follow-up was 21 days. Propensity score-adjusted estimations using Cox regression (logistic regression if needed) were calculated. Propensity scores were used as confounders, matching variables and for the inverse probability of treatment weights (IPTWs). Results: In all, 88, 117, 78 and 151 patients treated with tocilizumab, IHDC, PDC, and combination therapy, respectively, were compared with 344 untreated patients. The primary endpoint occurred in 10 (11.4%), 27 (23.1%), 12 (15.4%), 40 (25.6%) and 69 (21.1%), respectively. The IPTW-based hazard ratios (odds ratio for combination therapy) for the primary endpoint were 0.32 (95%CI 0.22-0.47; p < 0.001) for tocilizumab, 0.82 (0.71-1.30; p 0.82) for IHDC, 0.61 (0.43-0.86; p 0.006) for PDC, and 1.17 (0.86-1.58; p 0.30) for combination therapy. Other applications of the propensity score provided similar results, but were not significant for PDC. Tocilizumab was also associated with lower hazard of death alone in IPTW analysis (0.07; 0.02-0.17; p < 0.001). Conclusions: Tocilizumab might be useful in COVID-19 patients with a hyperinflammatory state and should be prioritized for randomized trials in this situatio
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