736 research outputs found

    La imagen y la narrativa como herramientas para el abordaje psicosocial en escenarios de violencia. Departamentos de Atlántico, Bolívar, Córdoba, la Guajira

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    A lo largo del curso y de los temas trabajados se pueden abordar los distintos escenarios que se perciben en la sociedad en diferentes zonas geográficas del país, describiendo lo que se encuentran en todas ellas y a quienes hacen parte de estas realidades. Luego de abordar el enfoque narrativo se sigue el trabajo con un caso en específico el de Camilo y el de Peñas Coloradas con el cual se continua el ejercicio del análisis de relatos en donde se evidencia distintos tipos de violencia. En el último caso se elaboran preguntas circulares, reflexivas y estratégicas con el fin de un mejor análisis de intervención psicosocial comunitario, que se hace necesario como método de intervención con el fin de poder entender mejor la situación y darle una conclusión favorable. Se puede observar cómo en Colombia todavía se ven secuelas de la violencia que ha marcado gran parte de la historia de la nación, lo que lleva a reflexionar sobre el sistema de reparación de víctimas y la importancia de hacerla cada vez más eficiente y fácil de seguir por las víctimas de la violencia, se puede evidenciar también los distintos tipos de violencia que se siguen dando en las distintas zonas del país y la importancia del rol del psicólogo en la sociedad.Throughout the course and the topics studied, the different scenarios that are perceived in society in different geographical areas of the country can be addressed, describing what is found in all of them and who is part of these realities. After addressing the narrative approach, the work continues with a specific case that of Camilo and that of Peñas Coloradas, with which the exercise of the analysis of stories where different types of violence are evidenced is continued. In the latter case, circular, reflective and strategic questions are elaborated in order to better analyze the community psychosocial intervention, which is necessary as an intervention method in order to better understand the situation and give it a favorable conclusion. It can be seen how in Colombia there are still consequences of the violence that has marked a large part of the nation's history, which leads us to reflect on the victim reparation system and the importance of making it increasingly efficient and easy to follow. For the victims of violence, it is also possible to show the different types of violence that continue to occur in different areas of the country and the importance of the role of the psychologist in society

    Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study

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    Background: The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery needs to be understood to inform clinical decision making during and after the COVID-19 pandemic. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection. Methods: This international, multicentre, cohort study at 235 hospitals in 24 countries included all patients undergoing surgery who had SARS-CoV-2 infection confirmed within 7 days before or 30 days after surgery. The primary outcome measure was 30-day postoperative mortality and was assessed in all enrolled patients. The main secondary outcome measure was pulmonary complications, defined as pneumonia, acute respiratory distress syndrome, or unexpected postoperative ventilation. Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28–2·40], p\textless0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65–3·22], p\textless0·0001), American Society of Anesthesiologists grades 3–5 versus grades 1–2 (2·35 [1·57–3·53], p\textless0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01–2·39], p=0·046), emergency versus elective surgery (1·67 [1·06–2·63], p=0·026), and major versus minor surgery (1·52 [1·01–2·31], p=0·047). Interpretation: Postoperative pulmonary complications occur in half of patients with perioperative SARS-CoV-2 infection and are associated with high mortality. Thresholds for surgery during the COVID-19 pandemic should be higher than during normal practice, particularly in men aged 70 years and older. Consideration should be given for postponing non-urgent procedures and promoting non-operative treatment to delay or avoid the need for surgery. Funding: National Institute for Health Research (NIHR), Association of Coloproctology of Great Britain and Ireland, Bowel and Cancer Research, Bowel Disease Research Foundation, Association of Upper Gastrointestinal Surgeons, British Association of Surgical Oncology, British Gynaecological Cancer Society, European Society of Coloproctology, NIHR Academy, Sarcoma UK, Vascular Society for Great Britain and Ireland, and Yorkshire Cancer Research

    Adelante / Endavant

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    Séptimo desafío por la erradicación de la violencia contra las mujeres del Institut Universitari d’Estudis Feministes i de Gènere "Purificación Escribano" de la Universitat Jaume

    Escrituras en devenir

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    El cuarto número de la colección "Laboratorio Transmedia" (ISSN: 2794-0861) contiene textos escritos durante el curso 2022/2023 en el laboratorio internacional "Escrituras en devenir", coordinado por Manuel Broullón y Maximiliano de la Puente con estudiantes y artistas de Argentina, Brasil, España y Venezuela.Unidad Dptal. de Literatura y MediosDepto. de Literaturas Hispánicas y BibliografíaFac. de Ciencias de la InformaciónFac. de FilologíaTRUEUniversidad Complutense de Madridpu

    Multiplicity dependence of light (anti-)nuclei production in p–Pb collisions at sNN=5.02 TeV

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    The measurement of the deuteron and anti-deuteron production in the rapidity range −1 < y < 0 as a function of transverse momentum and event multiplicity in p–Pb collisions at √sNN = 5.02 TeV is presented. (Anti-)deuterons are identified via their specific energy loss dE/dx and via their time-of- flight. Their production in p–Pb collisions is compared to pp and Pb–Pb collisions and is discussed within the context of thermal and coalescence models. The ratio of integrated yields of deuterons to protons (d/p) shows a significant increase as a function of the charged-particle multiplicity of the event starting from values similar to those observed in pp collisions at low multiplicities and approaching those observed in Pb–Pb collisions at high multiplicities. The mean transverse particle momenta are extracted from the deuteron spectra and the values are similar to those obtained for p and particles. Thus, deuteron spectra do not follow mass ordering. This behaviour is in contrast to the trend observed for non-composite particles in p–Pb collisions. In addition, the production of the rare 3He and 3He nuclei has been studied. The spectrum corresponding to all non-single diffractive p-Pb collisions is obtained in the rapidity window −1 < y < 0 and the pT-integrated yield dN/dy is extracted. It is found that the yields of protons, deuterons, and 3He, normalised by the spin degeneracy factor, follow an exponential decrease with mass number

    Accessing the strong interaction between Λ baryons and charged kaons with the femtoscopy technique at the LHC

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    The interaction between Λ baryons and kaons/antikaons is a crucial ingredient for the strangeness S=0 and S=−2 sector of the meson--baryon interaction at low energies. In particular, the ΛK¯¯¯¯ might help in understanding the origin of states such as the Ξ(1620), whose nature and properties are still under debate. Experimental data on Λ−K and Λ−K¯¯¯¯ systems are scarce, leading to large uncertainties and tension between the available theoretical predictions constrained by such data. In this Letter we present the measurements of Λ−K+⊕Λ¯¯¯¯−K− and Λ−K−⊕Λ¯¯¯¯−K+ correlations obtained in the high-multiplicity triggered data sample in pp collisions at s√=13 TeV recorded by ALICE at the LHC. The correlation function for both pairs is modeled using the Lednicky−Lyuboshits analytical formula and the corresponding scattering parameters are extracted. The Λ−K−⊕Λ¯¯¯¯−K+ correlations show the presence of several structures at relative momenta k∗ above 200 MeV/c, compatible with the Ω baryon, the Ξ(1690), and Ξ(1820) resonances decaying into Λ−K− pairs. The low k∗ region in the Λ−K−⊕Λ¯¯¯¯−K+ also exhibits the presence of the Ξ(1620) state, expected to strongly couple to the measured pair. The presented data allow to access the ΛK+ and ΛK− strong interaction with an unprecedented precision and deliver the first experimental observation of the Ξ(1620) decaying into ΛK−

    Study of flavor dependence of the baryon-to-meson ratio in proton-proton collisions at s=13\sqrt{s} = 13 TeV

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    International audienceThe production cross sections of D0{\rm D^0} and Λc+\Lambda^+_{\rm c} hadrons originating from beauty-hadron decays (i.e. non-prompt) were measured for the first time at midrapidity (y<0.5|y|<0.5) by the ALICE Collaboration in proton-proton collisions at a center-of-mass energy s=13\sqrt{s}=13 TeV. They are described within uncertainties by perturbative QCD calculations employing the fragmentation fractions of beauty quarks to baryons measured at forward rapidity by the LHCb Collaboration. The bb{\rm b\overline{b}} production cross section per unit of rapidity at midrapidity, estimated from these measurements, is dσbb/dyy<0.5=83.1±3.5(stat.)±5.4(syst.)3.2+12.3(extrap.)μ{\rm d}\sigma_{\rm b\overline{b}}/{\rm d}y|_{|y|<0.5} = 83.1 \pm 3.5 (\mathrm{stat.}) \pm 5.4(\mathrm{syst.}) ^{+12.3}_{-3.2} (\mathrm{extrap.})\,\mub. The baryon-to-meson ratios are computed to investigate the hadronization mechanism of beauty quarks. The non-prompt Λc+/D0\Lambda^+_{\rm c}/{\rm D^0} production ratio has a similar trend to the one measured for the promptly produced charmed particles and to the p/π+/\pi^+ and Λ/KS0\Lambda/{\rm K^0_S} ratios, suggesting a similar baryon-formation mechanism among light, strange, charm, and beauty hadrons. The pTp_{\rm T}-integrated non-prompt Λc/D0\Lambda_{\rm c}/{\rm D^0} ratio is found to be significantly higher than the one measured in e+^+e^- collisions

    Study of flavor dependence of the baryon-to-meson ratio in proton-proton collisions at s\sqrt{s} = 13 TeV

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    The production cross sections of D0{\rm D^0} and Λc+\Lambda^+_{\rm c} hadrons originating from beauty-hadron decays (i.e. non-prompt) were measured for the first time at midrapidity (y<0.5|y|<0.5) by the ALICE Collaboration in proton-proton collisions at a center-of-mass energy s=13\sqrt{s}=13 TeV. They are described within uncertainties by perturbative QCD calculations employing the fragmentation fractions of beauty quarks to baryons measured at forward rapidity by the LHCb Collaboration. The bb{\rm b\overline{b}} production cross section per unit of rapidity at midrapidity, estimated from these measurements, is dσbb/dyy<0.5=83.1±3.5(stat)±5.4(syst)3.2+12.3(extrap)μ{\rm d}\sigma_{\rm b\overline{b}}/{\rm d}y|_{|y|<0.5} = 83.1 \pm 3.5 (\mathrm{stat}) \pm 5.4(\mathrm{syst}) ^{+12.3}_{-3.2} (\mathrm{extrap}) \mub. The baryon-to-meson ratios are computed to investigate the hadronization mechanism of beauty quarks. The non-prompt Λc+/D0\Lambda^+_{\rm c}/{\rm D^0} production ratio has a similar trend to the one measured for the promptly produced charmed particles and to the p/π+/\pi^+ and Λ/KS0\Lambda/{\rm K^0_S} ratios, suggesting a similar baryon-formation mechanism among light, strange, charm, and beauty hadrons. The pTp_{\rm T}-integrated non-prompt Λc/D0\Lambda_{\rm c}/{\rm D^0} ratio is found to be significantly higher than the one measured in e+^+e^- collisions.The production cross sections of D0{\rm D^0} and Λc+\Lambda^+_{\rm c} hadrons originating from beauty-hadron decays (i.e. non-prompt) were measured for the first time at midrapidity (y<0.5|y|<0.5) by the ALICE Collaboration in proton-proton collisions at a center-of-mass energy s=13\sqrt{s}=13 TeV. They are described within uncertainties by perturbative QCD calculations employing the fragmentation fractions of beauty quarks to baryons measured at forward rapidity by the LHCb Collaboration. The bb{\rm b\overline{b}} production cross section per unit of rapidity at midrapidity, estimated from these measurements, is dσbb/dyy<0.5=83.1±3.5(stat.)±5.4(syst.)3.2+12.3(extrap.)μ{\rm d}\sigma_{\rm b\overline{b}}/{\rm d}y|_{|y|<0.5} = 83.1 \pm 3.5 (\mathrm{stat.}) \pm 5.4(\mathrm{syst.}) ^{+12.3}_{-3.2} (\mathrm{extrap.})\,\mub. The baryon-to-meson ratios are computed to investigate the hadronization mechanism of beauty quarks. The non-prompt Λc+/D0\Lambda^+_{\rm c}/{\rm D^0} production ratio has a similar trend to the one measured for the promptly produced charmed particles and to the p/π+/\pi^+ and Λ/KS0\Lambda/{\rm K^0_S} ratios, suggesting a similar baryon-formation mechanism among light, strange, charm, and beauty hadrons. The pTp_{\rm T}-integrated non-prompt Λc/D0\Lambda_{\rm c}/{\rm D^0} ratio is found to be significantly higher than the one measured in e+^+e^- collisions
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