995 resultados para 658.04
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El estudio “Evaluación del Modelo actual de Gestión en la Atención Fisioterapéutica Domiciliaria una IPS en la ciudad de Bogotá”, tiene como fin evaluar el modelo tradicional de Atención Primaria Domiciliaria y la labor de la fisioterapeuta en esta clase de servicios profesionales, y así constatar la calidad y eficiencia de la APD. En la primera parte, se plantean los objetivos, marcos de referencia, que lo complementan, metodología utilizada en un marco muestral, tabulación por un instrumento de recolección de datos Ramsés Likert, análisis de resultados y por último conclusiones y recomendaciones derivadas del Estudio.
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Este proyecto corresponde al sector estratégico de Telecomunicaciones y Medios de una empresa de Consultoría e Integración de Tecnología. De este tipo de proyectos en el sector de Medios, se tienen muy pocas experiencias y poca divulgación en Colombia.
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El proyecto a desarrollarse constituye una de las principales soluciones de mayor disponibilidad en la red de CELULAR, puesto que la tecnología que se va a administrar mediante el Sistema de Gestión es precisamente una de las más importantes y que corresponden a los medios de transmisión entre
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Definir estrategias que permitan un desarrollo sostenible de la economía, la protección del medio ambiente se convierte en un tema de importancia para la sociedad colombiana a pesar del manejo informal por parte de la sociedad en general
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OBJECTIVES The aim of the Cavalier trial was to evaluate the safety and performance of the Perceval sutureless aortic valve in patients undergoing aortic valve replacement (AVR). We report the 30-day clinical and haemodynamic outcomes from the largest study cohort with a sutureless valve. METHODS From February 2010 to September 2013, 658 consecutive patients (mean age 77.8 years; 64.4% females; mean logistic EuroSCORE 10.2%) underwent AVR in 25 European Centres. Isolated AVRs were performed in 451 (68.5%) patients with a less invasive approach in 219 (33.3%) cases. Of the total, 40.0% were octogenarians. Congenital bicuspid aortic valve was considered an exclusion criterion. RESULTS Implantation was successful in 628 patients (95.4%). In isolated AVR through sternotomy, the mean cross-clamp time and the cardiopulmonary bypass (CPB) time were 32.6 and 53.7 min, and with the less invasive approach 38.8 and 64.5 min, respectively. The 30-day overall and valve-related mortality rates were 3.7 and 0.5%, respectively. Valve explants, stroke and endocarditis occurred in 0.6, 2.1 and in 0.1% of cases, respectively. Preoperative mean and peak pressure gradients decreased from 44.8 and 73.24 mmHg to 10.24 and 19.27 mmHg at discharge, respectively. The mean effective orifice area improved from 0.72 to 1.46 cm(2). CONCLUSIONS The current 30-day results show that the Perceval valve is safe (favourable haemodynamic effect and low complication rate), and can be implanted with a fast and reproducible technique after a short learning period. Short cross-clamp and CPB times were achieved in both isolated and combined procedures. The Perceval valve represents a promising alternative to biological AVR, especially with a less invasive approach and in older patients.
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u.a.: Streitigkeiten über die geplante Vermögensaufteilung; Mutter-Sohn-Konflikt;
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Grossmann, Henrik: "The Nature of Economic Crisis". Typoskript, 4 Blatt; Über die Tätigkeiten des Institutes für Sozialforschung. Verschiedene Berichte. 1940- 1941; "Report to the Trustees of the Kurt Gerlach Memorial Foundation". 25.01.1940, Typoskript, 5 Blatt; "Manuskript under preparation". Januar 1940, handschriftliche Liste, 1 Blatt; Horkheimer, Max: "Über die allgemeine Lage des Instituts". Bericht für das Advisory Bord (New York members) Meeting, 22.04.1940; sowie ein Protokoll des Treffens, Typoskript, 5 Blatt; "Annual Report on the Activities of the Société International de Recherces Sociales, Presented to the Eight General Meeting in New York City on April 27, 1940"; sowie "Report on the Activities of the International Institute of Social Research for the Year 1939". Typoskript, 13 Blatt; "Report to the Trustees of the Kurt Gerlach Memorial Foundation". 23.02.1941, Typoskript mit eigenhändigen Ergänzungen von Max Horkheimer und handschriftlichen Ergänzungen und Korrekturen von Leo Löwenthal, 7 Blatt; Liste der Veröffentlichungen und der Forschungsgebiete des Instituts für Sozialforschung; "Content of Periodicals. List of Articles and Selected Major Book Reviews Arranged According to Contibutors. List of Articles and Selected Major Book Reviews Arranged According Topics. 1934-1941". a) Typoskript, 14 Blatt; b) Typoskript , 15 Blatt; "Literatur über features". 03.02.1941, Veröffentlichungsliste, 1 Blatt; Veröffentlichungsliste zu den Gebieten Nationalsozialismus, Massenkultur, Sozialgeschichte des späteren Mittelalters; 19.12.1941, Typoskript, 1 Blatt; Ankündigung und Übersicht über die ersten Nummern der "Studies in Philosophy and Social Science". 1941; Typoskripte und Drucksachen, 3 Blatt; "Supplementary Memorandum on the Activities of the Institute from 1939 to 1941. (supplemented to December, 1942)". 1942, als Typoskript vervielfältigt, 5 Blatt; Über Organisation und Mitarbeiter des Institutes für Sozialforschung. 1943; a) Typoskript, 6 Blatt; b) Typoskript, 7 Blatt; c) Teilstück, Typoskript mit handschriftlichen Korrekturen, 2 Blatt; d) Teilstück, Typoskript, 3 Blatt; e) Entwurf, Typoskript mit handschriftlichen Korrekturen, 8 Blatt; "Annual Report on the Activities of the Social Studies Association, Inc.". 15.05.1943, Typoskript, 6 Blatt; "Statement of Prof. Dr. Max Horkheimer, Director of the Institut of Social Research on June 9, 1943. Reponse: Certain Charges made against the Institut of Social Research (Columbia University)". 1943; a) Typoskript, 6 Blatt; b) Typoskript mit handschriftlichen Randbemerkungen, 6 Blatt; c) deutsche Rückübersetzung, 1969, Typoskript mit handschriftlichen Korrekturen, 4 Blatt;
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Growing evidence suggests that the low atmospheric CO2 concentration of the ice ages resulted from enhanced storage of CO2 in the ocean interior, largely as a result of changes in the Southern Ocean1. Early in the most recent deglaciation, a reduction in North Atlantic overturning circulation seems to have driven CO2 release from the Southern Ocean**2, 3, 4, 5, but the mechanism connecting the North Atlantic and the Southern Ocean remains unclear. Biogenic opal export in the low-latitude ocean relies on silicate from the underlying thermocline, the concentration of which is affected by the circulation of the ocean interior. Here we report a record of biogenic opal export from a coastal upwelling system off the coast of northwest Africa that shows pronounced opal maxima during each glacial termination over the past 550,000 years. These opal peaks are consistent with a strong deglacial reduction in the formation of silicate-poor glacial North Atlantic intermediate water**2 (GNAIW). The loss of GNAIW allowed mixing with underlying silicate-rich deep water to increase the silicate supply to the surface ocean. An increase in westerly-wind-driven upwelling in the Southern Ocean in response to the North Atlantic change has been proposed to drive the deglacial rise in atmospheric CO2 (refs 3, 4). However, such a circulation change would have accelerated the formation of Antarctic intermediate water and sub-Antarctic mode water, which today have as little silicate as North Atlantic Deep Water and would have thus maintained low silicate concentrations in the Atlantic thermocline. The deglacial opal maxima reported here suggest an alternative mechanism for the deglacial CO2 release**5, 6. Just as the reduction in GNAIW led to upward silicate transport, it should also have allowed the downward mixing of warm, low-density surface water to reach into the deep ocean. The resulting decrease in the density of the deep Atlantic relative to the Southern Ocean surface promoted Antarctic overturning, which released CO2 to the atmosphere.
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Context. Classical Be stars are rapid rotators of spectral type late O to early A and luminosity class V-III, which exhibit Balmer emission lines and often a near infrared excess originating in an equatorially concentrated circumstellar envelope, both produced by sporadic mass ejection episodes. The causes of the abnormal mass loss (the so-called Be phenomenon) are as yet unknown. Aims. For the first time, we can now study in detail Be stars outside the Earth's atmosphere with sufficient temporal resolution. We investigate the variability of the Be Star CoRoT-ID 102761769 observed with the CoRoT satellite in the exoplanet field during the initial run. Methods. One low-resolution spectrum of the star was obtained with the INT telescope at the Observatorio del Roque de los Muchachos. A time series analysis was performed using both cleanest and singular spectrum analysis algorithms to the CoRoT light curve. To identify the pulsation modes of the observed frequencies, we computed a set of models representative of CoRoT-ID 102761769 by varying its main physical parameters inside the uncertainties discussed. Results. We found two close frequencies related to the star. They are 2.465 c d(-1) (28.5 mu Hz) and 2.441 c d(-1) (28.2 mu Hz). The precision to which those frequencies were found is 0.018 c d(-1) (0.2 mu Hz). The projected stellar rotation was estimated to be 120 km s(-1) from the Fourier transform of spectral lines. If CoRoT-ID 102761769 is a typical Galactic Be star it rotates near the critical velocity. The critical rotation frequency of a typical B5-6 star is about 3.5 c d(-1) (40.5 mu Hz), which implies that the above frequencies are really caused by stellar pulsations rather than star's rotation.
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Stingless bees play an important ecological role as pollinators of many wild plant species in the tropics and have significant potential for the pollination of agricultural crops. Nevertheless, conservation efforts as well as commercial breeding programmes require better guidelines on the amount of genetic variation that is needed to maintain viable populations. In this context, we carried out a long-term genetic study on the stingless bee Melipona scutellaris to evaluate the population viability consequences of prolonged breeding from a small number of founder colonies. In particular, it was artificially imposed a genetic bottleneck by setting up a population starting from only two founder colonies, and continued breeding from it for a period of over 10 years in a location outside its natural area of occurrence. We show that despite a great reduction in the number of alleles present at both neutral microsatellite loci and the sex-determining locus relative to its natural source population, and an increased frequency in the production of sterile diploid males, the genetically impoverished population could be successfully bred and maintained for at least 10 years. This shows that in stingless bees, breeding from a small stock of colonies may have less severe consequences than previously suspected. In addition, we provide a simulation model to determine the number of colonies that are needed to maintain a certain number of sex alleles in a population, thereby providing useful guidelines for stingless bee breeding and conservation efforts.