Evaluation of the national vaccination day in bogotá, d.c., 2001

Objectives: A national immunization day-NID, aimed at improving vaccination coverage, was carried out in Colombia in November 2001. The main objective of the study was to measure the proportion of children under 2 years either completing their immunization schedule or advancing through it by receiving doses during the NID. Besides, we also evaluated the proportion of lost opportunities for vaccination during the NID and the impact of the media (TV, radio, newspapers, etc.) in advertising the NID. Methods: In order to evaluate the impact of immunization a cross sectional survey was carried out in Bogotá in the waiting rows of the 30 randomly selected vaccination posts; 623 participants were systematically chosen. The outcomes were analyzed by age, socioeconomic level and type of health insurance-SSS. Only children holding a vaccination card were considered eligible for the study. Results: Most people become aware about NID through TV, 81 %, followed by radio advertisements, 22 %. After attending NID the proportion of fully vaccinated children, according to PAHO scheme, raised from 46 % to 66 %, a 43 % increase. This increase was even higher among children aged less than 6 months (140 % increment). There were no differences in the increment by social stratum or affiliation to the SSS. Among the children studied we identified a 24 % of loss opportunities for vaccination that did not differ by socioeconomic level or SSS groups. Conclusions: Our results suggest that, despite its high costs, NID might be useful to transiently overcome barriers for adequate access to health services.Objetivos: Durante Noviembre de 2001 se realizó una jornada de vacunación en Bogotá con el fin de mejorar coberturas. El objetivo principal era medir la proporción de niños menores de 2 años que finalizaban el esquema o que avanzaban en el esquema por dosis recibidas durante la jornada. Adicionalmente se midió la proporción de oportunidades perdidas de vacunación-OPV durante la jornada y el impacto de los diferentes medios de comunicación usados para anunciar la realización de la jornada. Métodos: Se diseñó un estudio transversal con encuesta rápida en las filas de espera de los puestos de vacunación. Todos los indicadores fueron relacionados con variables socioeconómicas como la edad del niño, el estrato socioeconómico y el tipo de afiliación al sistema de salud-SGSS. Fueron seleccionados al azar 30 puestos de vacunación y se escogieron 623 participantes con carné de vacunación. Resultados: El medio masivo con mayor impacto fue la televisión, 81 %, seguido por la radio con 22 %. El porcentaje de niños con esquema completo de OPS pasó de 46 a 63 %, incremento de 43 %, siendo mayor en los menores de 6 meses (incremento de 140 %). No hubo diferencias en el incremento por estrato socioeconómico o tipo de afiliación al SGSS. Se registró un 24 % de OPV que tampoco fue diferente por estrato socioeconómico o afiliación al SGSS. Conclusiones: Los resultados sugieren que, pese a su alto costo, las jornadas de vacunación pueden ser útiles para remover transitoriamente las barreras de acceso a los servicios de salud

Associated factors to the control Of cardiovascular risk in a low-income population from the caribbean region of Colombia

To identify associated factors to the control of blood pressure (BP), low-density lipoprotein cholesterol (LDL) and glycated hemoglobin (hba1c) in a low-income population from the Caribbean region of Colombia, enrolled in “De todo corazón -DTC” program between 2013-201

Effectiveness of a cardiovascular disease prevention program in the control of cardiovascular risk factors in a low-income population from the caribbean region of Colombia

To evaluate the effectiveness of a cardiovascular disease prevention program in the control of cardiovascular risk factors in a low-income population from the Caribbean region of Colombi

Effectiveness of a cardiovascular risk management program in the incidence of cardiovascular events in a low-income population from the caribbean region of Colombia

Methods This was a retrospective cohort study. Patients with 20 to 76 years affiliated to insurer company and enrolled to the DTC program were considered as the study population. The data source was an administrative database of all 128,263 patients between Jan 2015 and Dec 2018. The main outcome was the reduction in the risk of a CVE (stroke, AMI or CHF) based in the time-person exposed to the intervention. Four different time thresholds were considered for stablishing exposure status: six months, one year, two years and four years. Propensity score-weighted Cox regression models were used to evaluate the association between exposure to the program and the incidence of CVE

Effectiveness of a cardiovascular risk management program in reducing the probability of premature death due to cardiovascular events in the Colombian caribbean region

Effectiveness of a cardiovascular risk management program in reducing the probability of premature death due to cardiovascular events in the Colombian Caribbean regio

Costo efectividad de la vacunación contra influenza en menores de 2 años y mayores de 65 años en colombia

Objetivo  Estimar la carga de enfermedad asociada a influenza y modelar el impacto epidemiológico y económico de la introducción de la vacuna para influenza  en Colombia. Métodos Se realizó un estudio de evaluación económica completa de la introducción de la vacuna de influenza en dos grupos poblacionales. Los desenlaces seleccionados en menores de dos años fueron la frecuencia de enfermedad respiratoria (ERA), consultas y hospitalizaciones por ERA. En mayores de 65 años se adicionaron las muertes y hospitalizaciones por enfermedad cardiosvascular y cerebrovascular.  Resultados En el escenario sin vacunación, el virus de influenza produciría anualmente 4 300 casos, 2 700 consultas, 900 hospitalizaciones y 230 muertes por ERA en menores de dos años. En mayores de 65 años, se presentarían anualmente  670 muertes por neumonía, 1 150 muertes por enfermedad cardiovascular y 720 muertes por enfermedad cerebrovascular relacionadas con influenza. El costo efectividad de la vacuna en menores de dos años oscila entre US $1 900 y US$ 2 967 por muerte evitada mientras que para mayores de 65 años la razón de costo efectividad seria costo ahorrativa. Conclusiones Los resultados del presente estudio apoyarían la decisión del Ministerio de la Protección Social y algunas Secretarias de Salud de introducir la vacunación en Colombia para menores de dos años y  mayores de 65 años

Standalone vertex finding in the ATLAS muon spectrometer

A dedicated reconstruction algorithm to find decay vertices in the ATLAS muon spectrometer is presented. The algorithm searches the region just upstream of or inside the muon spectrometer volume for multi-particle vertices that originate from the decay of particles with long decay paths. The performance of the algorithm is evaluated using both a sample of simulated Higgs boson events, in which the Higgs boson decays to long-lived neutral particles that in turn decay to bbar b final states, and pp collision data at √s = 7 TeV collected with the ATLAS detector at the LHC during 2011

Measurements of Higgs boson production and couplings in diboson final states with the ATLAS detector at the LHC

Measurements are presented of production properties and couplings of the recently discovered Higgs boson using the decays into boson pairs, H →γ γ, H → Z Z∗ →4l and H →W W∗ →lνlν. The results are based on the complete pp collision data sample recorded by the ATLAS experiment at the CERN Large Hadron Collider at centre-of-mass energies of √s = 7 TeV and √s = 8 TeV, corresponding to an integrated luminosity of about 25 fb−1. Evidence for Higgs boson production through vector-boson fusion is reported. Results of combined fits probing Higgs boson couplings to fermions and bosons, as well as anomalous contributions to loop-induced production and decay modes, are presented. All measurements are consistent with expectations for the Standard Model Higgs boson

Single hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHC

The uncertainty on the calorimeter energy response to jets of particles is derived for the ATLAS experiment at the Large Hadron Collider (LHC). First, the calorimeter response to single isolated charged hadrons is measured and compared to the Monte Carlo simulation using proton-proton collisions at centre-of-mass energies of sqrt(s) = 900 GeV and 7 TeV collected during 2009 and 2010. Then, using the decay of K_s and Lambda particles, the calorimeter response to specific types of particles (positively and negatively charged pions, protons, and anti-protons) is measured and compared to the Monte Carlo predictions. Finally, the jet energy scale uncertainty is determined by propagating the response uncertainty for single charged and neutral particles to jets. The response uncertainty is 2-5% for central isolated hadrons and 1-3% for the final calorimeter jet energy scale.Comment: 24 pages plus author list (36 pages total), 23 figures, 1 table, submitted to European Physical Journal

Measurement of the top quark pair cross section with ATLAS in pp collisions at √s=7 TeV using final states with an electron or a muon and a hadronically decaying τ lepton

A measurement of the cross section of top quark pair production in proton-proton collisions recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV is reported. The data sample used corresponds to an integrated luminosity of 2.05 fb -1. Events with an isolated electron or muon and a τ lepton decaying hadronically are used. In addition, a large missing transverse momentum and two or more energetic jets are required. At least one of the jets must be identified as originating from a b quark. The measured cross section, σtt-=186±13(stat.)±20(syst.)±7(lumi.) pb, is in good agreement with the Standard Model prediction