17 research outputs found
Complete genome sequence of Hepatitis E Virus Genotype 3 obtained from a chronically infected individual in Uruguay
Hepatitis E virus (HEV) is a leading cause of acute viral hepatitis worldwide. We report the full-length genome sequence of an HEV-3 strain obtained from a chronically infected patient from Uruguay. This strain shared only 86% nucleotide sequence identity with the most closely related reference strain belonging to subtype 3m.CSIC: I+D 2018 number 24
Diet, physical activity and behavioural interventions for the treatment of overweight or obese children from the age of 6 to 11 years
Background: Child and adolescent overweight and obesity has increased globally, and can be associated with significant short- and longterm health consequences. This is an update of a Cochrane Review published first in 2003, and updated previously in 2009. However, the update has now been split into six reviews addressing different childhood obesity treatments at different ages. Objectives: To assess the effects of diet, physical activity and behavioural interventions (behaviour-changing interventions) for the treatment of overweight or obese children aged 6 to 11 years. Search methods: We searched CENTRAL, MEDLINE, Embase, PsycINFO, CINAHL, LILACS as well as trial registers ClinicalTrials.gov and RsdI1401 Diet, physical activity and behavioural interventions for the treatment of overweight or obese children from th... 2 / 499 ICTRP Search Portal. We checked references of studies and systematic reviews. We did not apply any language restrictions. The date of the last search was July 2016 for all databases. Selection criteria: We selected randomised controlled trials (RCTs) of diet, physical activity, and behavioural interventions (behaviour-changing interventions) for treating overweight or obese children aged 6 to 11 years, with a minimum of six months' follow-up. We excluded interventions that specifically dealt with the treatment of eating disorders or type 2 diabetes, or included participants with a secondary or syndromic cause of obesity. Data collection and analysis Two review authors independently screened references, extracted data, assessed risk of bias, and evaluated the quality of the evidence using the GRADE instrument. We contacted study authors for additional information. We carried out metaanalyses according to the statistical guidelines in the Cochrane Handbook for Systematic Reviews of Interventions. Main results: We included 70 RCTs with a total of 8461 participants randomised to either the intervention or control groups. The number of participants per trial ranged from 16 to 686. Fifty-five trials compared a behaviour-changing intervention with no treatment/usual care control and 15 evaluated the effectiveness of adding an additional component to a behaviour-changing intervention. Sixty-four trials were parallel RCTs, and four were cluster RCTs. Sixty-four trials were multicomponent, two were diet only and four were physical activity only interventions. Ten trials had more than two arms. The overall quality of the evidence was low or very low and 62 trials had a high risk of bias for at least one criterion. Total duration of trials ranged from six months to three years. The median age of participants was 10 years old and the median BMI z score was 2.2. Primary analyses demonstrated that behaviour-changing interventions compared to no treatment/usual care control at longest follow-up reduced BMI, BMI z score and weight. Mean difference (MD) in BMI was -0.53 kg/m2 (95% confidence interval (CI) -0.82 to -0.24); P < 0.00001; 24 trials; 2785 participants; low-quality evidence. MD in BMI z score was -0.06 units (95% CI -0.10 to -0.02); P = 0.001; 37 trials; 4019 participants; low-quality evidence and MD in weight was -1.45 kg (95% CI -1.88 to -1.02); P < 0.00001; 17 trials; 1774 participants; low-quality evidence. Thirty-one trials reported on serious adverse events, with 29 trials reporting zero occurrences RR 0.57 (95% CI 0.17 to 1.93); P = 0.37; 4/2105 participants in the behaviour-changing intervention groups compared with 7/1991 participants in the comparator groups). Few trials reported health-related quality of life or behaviour change outcomes, and none of the analyses demonstrated a substantial difference in these outcomes between intervention and control. In two trials reporting on minutes per day of TV viewing, a small reduction of 6.6 minutes per day (95% CI -12.88 to -0.31), P = 0.04; 2 trials; 55 participants) was found in favour of the intervention. No trials reported on all-cause mortality, morbidity or socioeconomic effects, and few trials reported on participant views; none of which could be meta-analysed. As the meta-analyses revealed substantial heterogeneity, we conducted subgroup analyses to examine the impact of type of comparator, type of intervention, risk of attrition bias, setting, duration of post-intervention follow-up period, parental involvement and baseline BMI z score. No subgroup effects were shown for any of the subgroups on any of the outcomes. Some data indicated that a reduction in BMI immediately post-intervention was no longer evident at follow-up at less than six months, which has to be investigated in further trials. Authors' conclusions: Multi-component behaviour-changing interventions that incorporate diet, physical activity and behaviour change may be beneficial in achieving small, short-term reductions in BMI, BMI z score and weight in children aged 6 to 11 years. The evidence suggests a very low occurrence of adverse events. The quality of the evidence was low or very low. The heterogeneity observed across all outcomes was not explained by subgrouping. Further research is required of behaviourchanging interventions in lower income countries and in children from different ethnic groups; also on the impact of behaviour-changing interventions on health-related quality of life and comorbidities. The sustainability of reduction in BMI/BMI z score and weight is a key consideration and there is a need for longer-term follow-up and further research on the most appropriate forms of post-intervention maintenance in order to ensure intervention benefits are sustained over the longer term
Prospective Latin American cohort evaluating outcomes of patients with COVID-19 and abnormal liver tests on admission
Introduction & objectives: The independent effect of liver biochemistries as a prognostic factor in patients with COVID-19 has not been completely addressed. We aimed to evaluate the prognostic value of abnormal liver tests on admission of hospitalized patients with COVID-19. Materials & methods: We performed a prospective cohort study including 1611 hospitalized patients with confirmed SARS-CoV-2 infection from April 15, 2020 through July 31, 2020 in 38 different Hospitals from 11 Latin American countries. We registered clinical and laboratory parameters, including liver function tests, on admission and during hospitalization. All patients were followed until discharge or death. We fit multivariable logistic regression models, further post-estimation effect through margins and inverse probability weighting. Results: Overall, 57.8% of the patients were male with a mean age of 52.3 years, 8.5% had chronic liver disease and 3.4% had cirrhosis. Abnormal liver tests on admission were present on 45.2% (CI 42.7–47.7) of the cohort (n = 726). Overall, 15.1% (CI 13.4–16.9) of patients died (n = 244). Patients with abnormal liver tests on admission presented higher mortality 18.7% (CI 15.9–21.7), compared to those with normal liver biochemistries 12.2% (CI 10.1–14.6); P 30. Conclusions: The presence of abnormal liver tests on admission is independently associated with mortality and severe COVID-19 in hospitalized patients with COVID-19 infection and may be used as surrogate marker of inflammation.Fil: Mendizabal, Manuel. Universidad Austral. Hospital Universitario Austral; ArgentinaFil: Piñero, Federico. Universidad Austral. Hospital Universitario Austral; ArgentinaFil: Ridruejo, Ezequiel. Consejo Nacional de Investigaciones CientĂficas y TĂ©cnicas. Oficina de CoordinaciĂłn Administrativa Parque Centenario. CEMIC-CONICET. Centro de Educaciones MĂ©dicas e Investigaciones ClĂnicas "Norberto Quirno". CEMIC-CONICET; ArgentinaFil: Anders, Margarita. Hospital Aleman; ArgentinaFil: Silveyra, MarĂa Dolores. Sanatorio Anchorena; ArgentinaFil: Torre, Aldo. Centro MĂ©dico ABC; MĂ©xicoFil: Montes, Pedro. Hospital Nacional Daniel A. CarriĂłn; PerĂşFil: UrzĂşa, Alvaro. Hospital ClĂnico de la Universidad de Chile; ChileFil: Pages, Josefina. Universidad Austral. Hospital Universitario Austral; ArgentinaFil: Toro, Luis G.. Hospitales de San Vicente FundaciĂłn de MedellĂn y Rionegro; ColombiaFil: DĂaz, Javier. Hospital Nacional Edgardo Rebagliati Martins; PerĂşFil: Gonzalez Ballerga, Esteban. Universidad de Buenos Aires. Facultad de Medicina. Hospital de ClĂnicas General San MartĂn; ArgentinaFil: Miranda Zazueta, Godolfino. Instituto Nacional de Ciencias MĂ©dicas y NutriciĂłn; MĂ©xicoFil: Peralta, Mirta. Gobierno de la Ciudad de Buenos Aires. Hospital de Infecciosas "Dr. Francisco Javier Muñiz"; ArgentinaFil: GutiĂ©rrez, Isabel. Centro MĂ©dico ABC; MĂ©xicoFil: Michelato, Douglas. Hospital Especializado en Enfermedades Infecciosas Instituto Couto Maia; BrasilFil: Venturelli, Maria Grazia. Hospital Nacional Guillermo Almenara Irigoyen; PerĂşFil: VarĂłn, Adriana. FundaciĂłn Cardio-Infantil; ColombiaFil: Vera Pozo, Emilia. Hospital Regional Dr. Teodoro Maldonado Carbo; EcuadorFil: Tagle, MartĂn. ClĂnica Anglo-Americana; PerĂşFil: GarcĂa, MatĂas. Centro de EducaciĂłn MĂ©dica e Investigaciones ClĂnicas "Norberto Quirno"; ArgentinaFil: Tassara, Alfredo. Hospital Aleman; ArgentinaFil: Brutti, Julia. Sanatorio Anchorena; ArgentinaFil: Ruiz GarcĂa, Sandro. Hospital de VĂctor Lazarte Echegaray; PerĂşFil: Bustios, Carla. ClĂnica Delgado; PerĂşFil: Escajadillo, Nataly. Hospital Nacional Almanzor Aguinaga Asenjo; PerĂşFil: Macias, Yuridia. No especifĂca;Fil: Higuera de la Tijera, Fátima. Hospital General de MĂ©xico “Dr. Eduardo Liceaga"; MĂ©xicoFil: GĂłmez, AndrĂ©s J.. Hospital Universitario FundaciĂłn Santa FĂ© de Bogotá; ColombiaFil: Dominguez, Alejandra. Hospital Padre Hurtado; ChileFil: Castillo Barradas, Mauricio. Hospital de Especialidades del Centro MĂ©dico Nacional La Raza; MĂ©xicoFil: Contreras, Fernando. No especifĂca;Fil: Scarpin, Aldana. Centro de EducaciĂłn MĂ©dica e Investigaciones ClĂnicas "Norberto Quirno"; ArgentinaFil: Schinoni, Maria Isabel. Hospital Alianza; BrasilFil: Toledo, Claudio. Universidad Austral de Chile; ChileFil: Girala, Marcos. Universidad Nacional de AsunciĂłn; ParaguayFil: Mainardi, Victoria. Hospital Central De las Fuerzas Armadas; UruguayFil: Sanchez, Abel. Hospital Roosevelt; GuatemalaFil: Bessone, Fernando. Provincia de Santa Fe. Ministerio de Salud y Medio Ambiente - Rosario. Hospital Provincial del Centenario; ArgentinaFil: Rubinstein, Fernando Adrian. Instituto de Efectividad ClĂnica y Sanitaria; Argentina. Consejo Nacional de Investigaciones CientĂficas y TĂ©cnicas; ArgentinaFil: Silva, Marcelo Oscar. Universidad Austral. Hospital Universitario Austral; Argentin
Estructura y composici?n flor?stica de rodales con Pelliciera rhizophorae del manglar de estero Guarumal, Sierpe, Costa Rica
Tesis (M. Sc) -- CATIE, Turrialba (Costa Rica), 1995Pelliciera rhizophorae ha sido se?alada frecuentemente como una especie de mangle de inter?s forestal. No obstante, no se dispone a?n de conocimientos b?sicos sobre sus patrones de distribuci?n y abundancia. El objetivo del presente trabajo fue determinar la estructura y la composici?n flor?stica de rodales con P. rhizophorae en el Estero Guarumal del R?o Sierpe, y establecer su relaci?n con la posici?n en el estero, altura de inundaci?n, compactaci?n del sedimento y salinidad intersticial. Se utiliz? un dise?o de muestreo de conglomerados en dos etapas. En la primera etapa se establecieron conglomerados a partir del mapa de vegetaci?n de la Reserva Forestal de T?rraba-Sierpe y en la segunda, se muestrearon variables de la vegetaci?n y del ambiente por medio de transectos perpendiculares al estero y de parcelas establecidas al azar sobre los mismos. Pelliciera rhizophorae est? ampliamente distribu?da a lo largo del Estero Guarumal. Las discontinuidades estructurales y flor?sticas de los rodales con esta especie permiten identificar 12 comunidades boscosas cuyo desarrollo estructural y riqueza flor?stica disminuyen desde la zona superior a la zona inferior del mismo. Las variables ambientales que mejor discriminaron entre comunidades boscosas fueron distancia a la boca, salinidad intersticial, altura de inundaci?n y compactaci?n del sedimento. De estas, las de mayor poder de discriminaci?n fueron distancia a la boca y salinidad intersticial. Los bosques puros de P. rhizophorae se sit?an en los extremos del estero. En la zona intermedia del mismo, P. rhizophorae es desplazada por R. racemosa. Respecto al gradiente de inundaci?n de las mareas, los bosques puros de P. rhizophorae del extremo superior del estero se ubican en la parte baja mientras los bosques puros del extremo inferior del estero se ubican en la parte alta del mismo