38 research outputs found

    Political participation and war in Colombia

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    This study analyses the impact of the war on political participation in the March 2002 elections to the lower house of the Colombian Congress. The specific research question is whether the dynamics of violence in Colombia has affected the way voters behaved in those elections. In order to provide some answers, this article seeks to pinpoint the relationship between war and democracy by focusing upon a key component of democratic regimes, namely political participation. The article is organized in five sections. The first consists of a theoretical overview of democracy and political participation. The second section, drawn principally from the press, provides evidence of the impact of the war upon the congressional and presidential campaigns. The third part discusses the evolution of political participation in Colombia. The fourth section is a quantitative analysis of the relationship between violence and political participation. Finally, the last section offers some conclusions about political participation and violence in Colombia. Although Colombian democracy is under assault from armed actors and undermined by socio-economic factors, its viability has not been contested to the point of regime collapse, nor is that likely to occur in the near future. While it is appropriate to label Colombia a crisis state, neither the parameters nor the intensity of the crisis permit either theoretical or empirical conclusions as to the calibre or endurance of its democratic regime. For the past fifty years or so, the Colombian State has been characterized by perpetual crisis, and that is not likely to change in the foreseeable future

    Modelos de decisión electoral y perfiles de votante en Colombia: elecciones presidenciales 2002

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    Este artículo analiza la decisión de voto en las elecciones presidenciales de 2002 en Colombia. Si bien toma prestados elementos de varios enfoques teóricos sobre comportamiento electoral, se orienta básicamente en la literatura relativa a la teoría de la elección racional. Los datos que analiza provienen de una encuesta postelectoral nacional y utiliza la técnica de regresión logística como herramienta para crear modelos explicativos. La hipótesis de que parte, en el sentido de que el comportamiento electoral en democracias frágiles como la colombiana manifiesta distintas características a las de democracias más institucionalizadas, no se ve plenamente confirmada: la decisión de voto es independiente de las aquí llamadas variables contextuales y, en cambio, resultan tener mucha incidencia las referentes a la percepción de los candidatos y la identificación de los votantes con los temas de campaña. Aparte de la presentación de los modelos logísticos que dan cuenta de estos resultados, hace un análisis casuístico de los perfiles de votante que resultan en mayores probabilidades de voto para los candidatos principales (Uribe y Serpa) en las elecciones de 2002.This article is an analysis of the results of the 2002 presidential election in Colombia. The theoretical framework is eclectic, with an emphasis upon rational choice literature. The data is drawn from a national survey, and the methodology utilizes logistical regression techniques. We use the hypothesis that electoral behavior in “fragile” democracies, such as Colombia’s, manifests different characteristics from those of more institutionalized democracies. Nevertheless, the analysis failed to fully confirm this hypothesis. So called contextual variables didn’t affect the vote, while the candidate’s characteristics, as well as campaign issues were central. Apart from the effectiveness of the logistical models used, the variables that most impacted the vote for Álvaro Uribe or Horacio Serpa were the candidate’s traits, their leadership abilities and favorability, as well as important campaign issues. The data analysis consisted of several logistical regression models, and of a series of voter profiles that reveal the probability that a voter with certain characteristics cast a ballot for either Serpa or Uribe

    A national-scale dataset for threats impacting Australia's imperiled flora and fauna

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    Australia is in the midst of an extinction crisis, having already lost 10% of terrestrial mammal fauna since European settlement and with hundreds of other species at high risk of extinction. The decline of the nation's biota is a result of an array of threatening processes; however, a comprehensive taxon-specific understanding of threats and their relative impacts remains undocumented nationally. Using expert consultation, we compile the first complete, validated, and consistent taxon-specific threat and impact dataset for all nationally listed threatened taxa in Australia. We confined our analysis to 1,795 terrestrial and aquatic taxa listed as threatened (Vulnerable, Endangered, or Critically Endangered) under Australian Commonwealth law. We engaged taxonomic experts to generate taxon-specific threat and threat impact information to consistently apply the IUCN Threat Classification Scheme and Threat Impact Scoring System, as well as eight broad-level threats and 51 subcategory threats, for all 1,795 threatened terrestrial and aquatic threatened taxa. This compilation produced 4,877 unique taxon–threat–impact combinations with the most frequently listed threats being Habitat loss, fragmentation, and degradation (n = 1,210 taxa), and Invasive species and disease (n = 966 taxa). Yet when only high-impact threats or medium-impact threats are considered, Invasive species and disease become the most prevalent threats. This dataset provides critical information for conservation action planning, national legislation and policy, and prioritizing investments in threatened species management and recovery

    Effect of 18F-fluciclovine positron emission tomography on the management of patients with recurrence of prostate cancer: Results from the FALCON Trial

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    Purpose: Early and accurate localization of lesions in patients with biochemical recurrence (BCR) of prostate cancer may guide salvage therapy decisions. The present study, 18F-Fluciclovine PET/CT in biochemicAL reCurrence Of Prostate caNcer (FALCON; NCT02578940), aimed to evaluate the effect of 18F-fluciclovine on management of men with BCR of prostate cancer. Methods and Materials: Men with a first episode of BCR after curative-intent primary therapy were enrolled at 6 UK sites. Patients underwent 18F-fluciclovine positron emission tomography/computed tomography (PET/CT) according to standardized procedures. Clinicians documented management plans before and after scanning, recording changes to treatment modality as major and changes within a modality as other. The primary outcome measure was record of a revised management plan postscan. Secondary endpoints were evaluation of optimal prostate specific antigen (PSA) threshold for detection, salvage treatment outcome assessment based on 18F-fluciclovine-involvement, and safety. Results: 18F-Fluciclovine was well tolerated in the 104 scanned patients (median PSA = 0.79 ng/mL). Lesions were detected in 58 out of 104 (56%) patients. Detection was broadly proportional to PSA level; ≤1 ng/mL, 1 out of 3 of scans were positive, and 93% scans were positive at PSA >2.0 ng/mL. Sixty-six (64%) patients had a postscan management change (80% after a positive result). Major changes (43 out of 66; 65%) were salvage or systemic therapy to watchful waiting (16 out of 66; 24%); salvage therapy to systemic therapy (16 out of 66; 24%); and alternative changes to treatment modality (11 out of 66, 17%). The remaining 23 out of 66 (35%) management changes were modifications of the prescan plan: most (22 out of 66; 33%) were adjustments to planned brachytherapy/radiation therapy to include a 18F-fluciclovine-guided boost. Where 18F-fluciclovine guided salvage therapy, the PSA response rate was higher than when 18F-fluciclovine was not involved (15 out of 17 [88%] vs 28 out of 39 [72%]). Conclusions: 18F-Fluciclovine PET/CT located recurrence in the majority of men with BCR, frequently resulting in major management plan changes. Incorporating 18F-fluciclovine PET/CT into treatment planning may optimize targeting of recurrence sites and avoid futile salvage therapy

    Purinergic signalling links mechanical breath profile and alveolar mechanics with the pro-inflammatory innate immune response causing ventilation-induced lung injury

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    Severe pulmonary infection or vigorous cyclic deformation of the alveolar epithelial type I (AT I) cells by mechanical ventilation leads to massive extracellular ATP release. High levels of extracellular ATP saturate the ATP hydrolysis enzymes CD39 and CD73 resulting in persistent high ATP levels despite the conversion to adenosine. Above a certain level, extracellular ATP molecules act as danger-associated molecular patterns (DAMPs) and activate the pro-inflammatory response of the innate immunity through purinergic receptors on the surface of the immune cells. This results in lung tissue inflammation, capillary leakage, interstitial and alveolar oedema and lung injury reducing the production of surfactant by the damaged AT II cells and deactivating the surfactant function by the concomitant extravasated serum proteins through capillary leakage followed by a substantial increase in alveolar surface tension and alveolar collapse. The resulting inhomogeneous ventilation of the lungs is an important mechanism in the development of ventilation-induced lung injury. The high levels of extracellular ATP and the upregulation of ecto-enzymes and soluble enzymes that hydrolyse ATP to adenosine (CD39 and CD73) increase the extracellular adenosine levels that inhibit the innate and adaptive immune responses rendering the host susceptible to infection by invading microorganisms. Moreover, high levels of extracellular adenosine increase the expression, the production and the activation of pro-fibrotic proteins (such as TGF-β, α-SMA, etc.) followed by the establishment of lung fibrosis

    Incidence of Changes in Electoral Competence Rules on the Nationalization of Party Systems: The Strategies of Political Actors in Antioquia, 1997-2011

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    RESUMEN: En este artículo se sostiene que la nacionalización vertical del sistema de partidos es afectada por la forma como los partidos y candidatos adoptanestrategias para seguir en competencia bajo un marco normativo dado, pues las reglas electorales ofrecen diferentes incentivos para que estos coordinen (o no) sus esfuerzos entre los diferentes niveles electorales. Para ello, a partir de la información de las elecciones de Concejo, Asamblea y Cámara en Antioquia entre 1997 y 2011 se encuentra que los cambios en las reglas electorales de 2003 y su efecto sobre la forma en que los políticos se organizan para la competencia son un factor que afecta la nacionalización vertical del sistema de partidos, haciendo que la competencia a nivel municipal se aparte de la regional y nacional.ABSTRACT: In this article it is argued that vertical nationalization of the party system is affected by the way in which parties and candidates adopt strategies to remain in competition under a given set of rules, since electoral rules offer different incentives for them to coordinate (or not) their efforts among the different electoral levels. For this purpose, based on information from the elections for Council, Assembly and Chamber in Antioquia between 1997 and 2011, it was found that the changes in electoral rules in 2003 and their effect on the way in which politicians organize themselves for elections are a factor that affects vertical nationalization of the party system, distancing the competition on the municipal level from that which takes place on the regional and national levels

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    El proceso de cambio en los regímenes políticos siempre ha sido uno de los temas centrales de la ciencia política a pesar de la ausencia de teorías y metodologías compartidas para analizarlo. Si eso ha caracterizado la literatura sobre el cambio político en los países desarrollados, es aún más difícil encontrar un consenso entre analistas en torno a cómo se debe analizar el cambio político en los países en desarrollo, donde las instituciones políticas y las reglas del juego son más frágiles y..

    Community Power and Political Modernization: A Study of A Venezuelan City

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    571 p.Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1967.U of I OnlyRestricted to the U of I community idenfinitely during batch ingest of legacy ETD
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