Modelo de gestión de proyectos para una pyme del sector de servicios de sonido e iluminación profesional en Colombia

En el país, actualmente las pymes del sector de servicios enfrentan el reto de desarrollar e implementar proyectos encaminados al cumplimiento del plan estratégico y de los objetivos organizacionales (Guerrero, 2013). Además, un estudio denominado “Las pyme: Una mirada a partir de la experiencia académica del MBA PYME” plantea que estas deben alinearse con las tendencias que impone la gerencia del siglo XXI, en donde la competitividad se convierte en el eje central del negocio, la producción del conocimiento en el factor determinante para transformar este tipo de empresas y estimular, entre otros: la creatividad, la generación de conocimientos y la creación de productos y servicios (Villegas & Iván, 2010). Es bien sabido que la gestión de proyectos es una pieza fundamental para la consecución de los objetivos y el alcance de los proyectos, por lo que se consolida como una actividad importante para las organizaciones dedicadas a la ingeniería (Buchtik, 2012). Se entiende por gestión de proyectos al método que permite la definición, priorización y ejecución de proyectos dentro de un marco de prácticas; expresa los valores o sistemas de valores que mantienen la organización y sus miembros; se basa en la aplicación de modelos de diseño y ejecución; además se constituye en un entorno en el que, mediante el trabajo en grupos, los individuos cumplen eficiente y eficazmente los objetivos de los proyectos (Lazaro, Laverde y Guacheta, 2013). Esto hace que cada vez se otorga una mayor importancia al desempeño de esta área del conocimiento, dado que permite lograr una optimización con grandes beneficios para la organización (Rodríguez, Aguilar & Sánchez, 2012). Teniendo en cuenta lo anterior, se plantea el desarrollo de un modelo para la gestión de proyectos de una pyme del sector de servicios de alquiler de sistemas de sonido e iluminación profesional. La pyme seleccionada es Ruffo Sánchez Amplificación Profesional Ltda. (RSAP). Esta empresa realiza entre 220 y 240 proyectos al año, sin embargo en la actualidad no se encuentra certificada en ningún sistema de gestión de la calidad (Sánchez, 2015) ni hace uso del enfoque de las buenas prácticas del PMI (Instituto para la Gestión de Proyectos, por sus siglas en inglés). Por ende, es importante construir un perfil que permita desarrollar sus capacidades y entender sus necesidades, teniendo en cuenta los enfoques de gestión y madurez en proyectos. Esta última se debe entender como la capacidad que tiene una organización, proceso o área para reconocer su punto de desarrollo en comparación con un estándar (Solarte y Sánchez, 2014

A Design Parameter for Reef Beach Profiles—A Methodology Applied to Cadiz, Spain

The southwestern coast of Spain is in a tidal zone (mesotidal) which causes the equilibrium profile to be developed in two different sections: the breakage section and the swash section. These two sections give rise to the typical bi-parabolic profile existing in tidal seas. The existence of areas with reefs/rocks which interrupt the normal development of the typical bi-parabolic profile causes different types of beach profiles. The objective of this article is designing an easy methodology for determining new formulations for the design parameters of the equilibrium profile of beaches with reefs in tidal seas. These formulations are applied on 16 profiles to quantify the error between the real profile data and the modelling results. A comparative analysis is extended to the formulations proposed by other authors, from which it is found that better results are obtained with the new formulations

Modelos productivos y asistencia técnica hacia una ganadería sostenible en el departamento de Caquetá

Esta nota informativa resume los objetivos, el alcance y la lógica de intervención del proyecto rutas PDET en su componente de ganadería, el cual tiene como área de implementación a cuatro municipios de Caquetá. Las condiciones que allí confluyen como son la alta y creciente tasa de deforestación, los impactos ambientales, la orientación productiva y los tipos de tenencia de la tierra habilitan la implementación de modelos sostenibles de producción ganadera y el desarrollo de programas de asistencia técnica desde los ámbitos productivo, económico, social y ambiental

Production models and technical assistance towards sustainable livestock in the department of Caquetá

This info note summarizes the objectives, scope, and intervention logic of the livestock component of the PDET Routes project, which is implemented in four municipalities in Caquetá. The conditions that converge there, such as the high and growing rate of deforestation, environmental impacts, productive orientation, and types of land tenure, enable the implementation of sustainable livestock production models and the development of technical assistance programs in the productive, economic, social, and environmental spheres

Role of age and comorbidities in mortality of patients with infective endocarditis

[Purpose]: The aim of this study was to analyse the characteristics of patients with IE in three groups of age and to assess the ability of age and the Charlson Comorbidity Index (CCI) to predict mortality. [Methods]: Prospective cohort study of all patients with IE included in the GAMES Spanish database between 2008 and 2015.Patients were stratified into three age groups:<65 years,65 to 80 years,and ≥ 80 years.The area under the receiver-operating characteristic (AUROC) curve was calculated to quantify the diagnostic accuracy of the CCI to predict mortality risk. [Results]: A total of 3120 patients with IE (1327 < 65 years;1291 65-80 years;502 ≥ 80 years) were enrolled.Fever and heart failure were the most common presentations of IE, with no differences among age groups.Patients ≥80 years who underwent surgery were significantly lower compared with other age groups (14.3%,65 years; 20.5%,65-79 years; 31.3%,≥80 years). In-hospital mortality was lower in the <65-year group (20.3%,<65 years;30.1%,65-79 years;34.7%,≥80 years;p < 0.001) as well as 1-year mortality (3.2%, <65 years; 5.5%, 65-80 years;7.6%,≥80 years; p = 0.003).Independent predictors of mortality were age ≥ 80 years (hazard ratio [HR]:2.78;95% confidence interval [CI]:2.32–3.34), CCI ≥ 3 (HR:1.62; 95% CI:1.39–1.88),and non-performed surgery (HR:1.64;95% CI:11.16–1.58).When the three age groups were compared,the AUROC curve for CCI was significantly larger for patients aged <65 years(p < 0.001) for both in-hospital and 1-year mortality. [Conclusion]: There were no differences in the clinical presentation of IE between the groups. Age ≥ 80 years, high comorbidity (measured by CCI),and non-performance of surgery were independent predictors of mortality in patients with IE.CCI could help to identify those patients with IE and surgical indication who present a lower risk of in-hospital and 1-year mortality after surgery, especially in the <65-year group

Evolving trends in the management of acute appendicitis during COVID-19 waves. The ACIE appy II study

Background: In 2020, ACIE Appy study showed that COVID-19 pandemic heavily affected the management of patients with acute appendicitis (AA) worldwide, with an increased rate of non-operative management (NOM) strategies and a trend toward open surgery due to concern of virus transmission by laparoscopy and controversial recommendations on this issue. The aim of this study was to survey again the same group of surgeons to assess if any difference in management attitudes of AA had occurred in the later stages of the outbreak. Methods: From August 15 to September 30, 2021, an online questionnaire was sent to all 709 participants of the ACIE Appy study. The questionnaire included questions on personal protective equipment (PPE), local policies and screening for SARS-CoV-2 infection, NOM, surgical approach and disease presentations in 2021. The results were compared with the results from the previous study. Results: A total of 476 answers were collected (response rate 67.1%). Screening policies were significatively improved with most patients screened regardless of symptoms (89.5% vs. 37.4%) with PCR and antigenic test as the preferred test (74.1% vs. 26.3%). More patients tested positive before surgery and commercial systems were the preferred ones to filter smoke plumes during laparoscopy. Laparoscopic appendicectomy was the first option in the treatment of AA, with a declined use of NOM. Conclusion: Management of AA has improved in the last waves of pandemic. Increased evidence regarding SARS-COV-2 infection along with a timely healthcare systems response has been translated into tailored attitudes and a better care for patients with AA worldwide

Colombian consensus recommendations for diagnosis, management and treatment of the infection by SARS-COV-2/ COVID-19 in health care facilities - Recommendations from expert´s group based and informed on evidence

La Asociación Colombiana de Infectología (ACIN) y el Instituto de Evaluación de Nuevas Tecnologías de la Salud (IETS) conformó un grupo de trabajo para desarrollar recomendaciones informadas y basadas en evidencia, por consenso de expertos para la atención, diagnóstico y manejo de casos de Covid 19. Estas guías son dirigidas al personal de salud y buscar dar recomendaciones en los ámbitos de la atención en salud de los casos de Covid-19, en el contexto nacional de Colombia

Search for dark matter produced in association with bottom or top quarks in √s = 13 TeV pp collisions with the ATLAS detector

A search for weakly interacting massive particle dark matter produced in association with bottom or top quarks is presented. Final states containing third-generation quarks and miss- ing transverse momentum are considered. The analysis uses 36.1 fb−1 of proton–proton collision data recorded by the ATLAS experiment at √s = 13 TeV in 2015 and 2016. No significant excess of events above the estimated backgrounds is observed. The results are in- terpreted in the framework of simplified models of spin-0 dark-matter mediators. For colour- neutral spin-0 mediators produced in association with top quarks and decaying into a pair of dark-matter particles, mediator masses below 50 GeV are excluded assuming a dark-matter candidate mass of 1 GeV and unitary couplings. For scalar and pseudoscalar mediators produced in association with bottom quarks, the search sets limits on the production cross- section of 300 times the predicted rate for mediators with masses between 10 and 50 GeV and assuming a dark-matter mass of 1 GeV and unitary coupling. Constraints on colour- charged scalar simplified models are also presented. Assuming a dark-matter particle mass of 35 GeV, mediator particles with mass below 1.1 TeV are excluded for couplings yielding a dark-matter relic density consistent with measurements

Global variations in diabetes mellitus based on fasting glucose and haemogloblin A1c

Fasting plasma glucose (FPG) and haemoglobin A1c (HbA1c) are both used to diagnose diabetes, but may identify different people as having diabetes. We used data from 117 population-based studies and quantified, in different world regions, the prevalence of diagnosed diabetes, and whether those who were previously undiagnosed and detected as having diabetes in survey screening had elevated FPG, HbA1c, or both. We developed prediction equations for estimating the probability that a person without previously diagnosed diabetes, and at a specific level of FPG, had elevated HbA1c, and vice versa. The age-standardised proportion of diabetes that was previously undiagnosed, and detected in survey screening, ranged from 30% in the high-income western region to 66% in south Asia. Among those with screen-detected diabetes with either test, the agestandardised proportion who had elevated levels of both FPG and HbA1c was 29-39% across regions; the remainder had discordant elevation of FPG or HbA1c. In most low- and middle-income regions, isolated elevated HbA1c more common than isolated elevated FPG. In these regions, the use of FPG alone may delay diabetes diagnosis and underestimate diabetes prevalence. Our prediction equations help allocate finite resources for measuring HbA1c to reduce the global gap in diabetes diagnosis and surveillance.peer-reviewe