Developmental effects and genotoxicity of ten water disinfection by-products in zebrafish

Disinfection by-products are contaminants produced during drinking water disinfection. Several DBPs have been implicated in a variety of toxic effects, mainly carcinogenic and genotoxic effects. Moreover, DBPs exposure has also been associated with an increased risk of developmental effects. In this study, the developmental toxicity and genotoxicity of 10 DBPs (4 trihalomethanes [THMs], 5 haloacetic acids [HAAs] and sodium bromate) in the zebrafish embryo model were evaluated. Embryos exposed for 72 hours were observed for different endpoints such as growth, hatching success, malformations and lethality. THMs exposure resulted in adverse developmental effects and a significant reduced tail length. Two HAAs, tribromoacetic acid and dichloroacetic acid, along with sodium bromate were found to cause a significant increase in malformation rate. Chloroform,chlorodibromomethane and sodium bromate produced a weak induction of DNA damage to whole embryos. However, developmental effects occurred at a range of concentrations (20 100 μg/mL)several orders of magnitude above the levels that can be attained in fetal blood in humans exposed to chlorinated water. In conclusion, the teratogenic and genotoxic activity observed by some DBPs in zebrafish reinforce the view that there is a weak capacity of disinfection products to cause developmental effects at environmentally relevant concentrations

Homecare physiotherapy in the iberian peninsula public health system

Objetivos - Conocer los principales servicios de fisioterapia domiciliaria que oferta el Sistema Sanitario Público para las personas mayores dependientes de la Península Ibérica (España y Portugal). Estrategia de búsqueda - Revisión bibliográfica actualizada y exhaustiva sobre los estudios previos; estancia de investigación en Hospitales, Centros de Salud y organismos financiados por la Administración Pública en ambos países; entrevistas en profundidad a informantes estratégicos. Síntesis de los resultados - Se describe la situación de la fisioterapia domiciliaria en España, desde el año 1987 hasta agosto de 2008. Se detecta que en Portugal la fisioterapia domiciliaria está recogida en la cartera de servicios de atención primaria (Decreto-Ley no 28/2008, del 22 de febrero). Conclusiones - Existen pocas investigaciones a nivel de la Península que ofrezcan datos objetivos basados en la evidencia científica sobre la efectividad de estos servicios de fisioterapia, la satisfacción del usuario y las repercusiones que producen con respecto a otros tratamientos; sin embargo, estos estudios son necesarios para la evaluación de las políticas sanitarias, la distribución adecuada de recursos, la revisión de los programas, la metodología de actuación, etc.ABSTRACT - Objectives: To become acquainted with the principal homecare physiotherapy services that are offered by the Public Health System for dependent elderly patients in the Iberian Peninsula (Spain and Portugal). Methods: A thorough and updated review of the literature regarding previous studies, research stays in Hospitals, Primary Health Care Centers and Public Health institutions in both countries financed by the Public Health Administration; in-depth interviews with specific informants. Results: The situation of homecare physiotherapy in Spain from the year 1987 to the August 2008 is described. In Portugal, these services are established within the services regulated by Primary Health Care (Decree-Law no. 28/2008, of February 22). Conclusions: There are few studies in the Iberian Peninsula that offer scientific evidence-based information on the effectiveness of these physiotherapy services, user satisfaction and the effect they have in relation to other treatments. However, these studies are needed in order to evaluate the current health legislation, appropriate distribution of resources, to review the clinical programs, clinical action methodologies, etc.info:eu-repo/semantics/publishedVersio

Hydrogen production via microwave-induced water splitting at low temperature

[EN] Hydrogen is a promising vector in the decarbonization of energy systems, but more efficient and scalable synthesis is required to enable its widespread deployment. Towards that aim, Serra et al. present a microwave-based approach that allows contactless water electrolysis that can be integrated with hydrocarbon production. Supplying global energy demand with CO2-free technologies is becoming feasible thanks to the rising affordability of renewable resources. Hydrogen is a promising vector in the decarbonization of energy systems, but more efficient and scalable synthesis is required to enable its widespread deployment. Here we report contactless H-2 production via water electrolysis mediated by the microwave-triggered redox activation of solid-state ionic materials at low temperatures (<250 degrees C). Water was reduced via reaction with non-equilibrium gadolinium-doped CeO2 that was previously in situ electrochemically deoxygenated by the sole application of microwaves. The microwave-driven reduction was identified by an instantaneous electrical conductivity rise and O-2 release. This process was cyclable, whereas H-2 yield and energy efficiency were material- and power-dependent. Deoxygenation of low-energy molecules (H2O or CO2) led to the formation of energy carriers and enabled CH4 production when integrated with a Sabatier reactor. This method could be extended to other reactions such as intensified hydrocarbons synthesis or oxidation.This work was supported by the Spanish Government (RTI2018-102161, SEV-2016-0683 and Juan de la Cierva grant IJCI-2017-34110). We thank the support of the Electronic Microscopy Service of the Universitat Politecnica de Valencia.Serra Alfaro, JM.; Borras-Morell, JF.; García-Baños, B.; Balaguer Ramirez, M.; Plaza González, PJ.; Santos-Blasco, J.; Catalán-Martínez, D.... (2020). Hydrogen production via microwave-induced water splitting at low temperature. 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Mitochondrial dysfunction: a common hallmark underlying comorbidity between sIBM and other degenerative and age-related diseases

Sporadic inclusion body myositis (sIBM) is an inflammatory myopathy associated, among others, with mitochondrial dysfunction. Similar molecular features are found in Alzheimer's disease (AD) and Type 2 Diabetes Mellitus (T2DM), underlying potential comorbidity. This study aims to evaluate common clinical and molecular hallmarks among sIBM, AD, and T2DM. Comorbidity with AD was assessed in n = 14 sIBM patients by performing neuropsychological and cognitive tests, cranial magnetic resonance imaging, AD cerebrospinal fluid biomarkers (levels of amyloid beta, total tau, and phosphorylated tau at threonine-181), and genetic apolipoprotein E genotyping. In the same sIBM cohort, comorbidity with T2DM was assessed by collecting anthropometric measures and performing an oral glucose tolerance test and insulin determinations. Results were compared to the standard population and other myositis (n = 7 dermatomyositis and n = 7 polymyositis). Mitochondrial contribution into disease was tested by measurement of oxidative/anaerobic and oxidant/antioxidant balances, respiration fluxes, and enzymatic activities in sIBM fibroblasts subjected to different glucose levels. Comorbidity of sIBM with AD was not detected. Clinically, sIBM patients showed signs of misbalanced glucose homeostasis, similar to other myositis. Such misbalance was further confirmed at the molecular level by the metabolic inability of sIBM fibroblasts to adapt to different glucose conditions. Under the standard condition, sIBM fibroblasts showed decreased respiration (0.71 ± 0.08 vs. 1.06 ± 0.04 nmols O2/min; p = 0.024) and increased anaerobic metabolism (5.76 ± 0.52 vs. 3.79 ± 0.35 mM lactate; p = 0.052). Moreover, when glucose conditions were changed, sIBM fibroblasts presented decreased fold change in mitochondrial enzymatic activities (−12.13 ± 21.86 vs. 199.22 ± 62.52 cytochrome c oxidase/citrate synthase ratio; p = 0.017) and increased oxidative stress per mitochondrial activity (203.76 ± 82.77 vs. −69.55 ± 21.00; p = 0.047), underlying scarce metabolic plasticity. These findings do not demonstrate higher prevalence of AD in sIBM patients, but evidences of prediabetogenic conditions were found. Glucose deregulation in myositis suggests the contribution of lifestyle conditions, such as restricted mobility. Additionally, molecular evidences from sIBM fibroblasts confirm that mitochondrial dysfunction may play a role. Monitoring T2DM development and mitochondrial contribution to disease in myositis patients could set a path for novel therapeutic options

Model d'atenció integrada al pacient crònic: insuficiència cardíaca (IC), malaltia pulmonar obstructiva crònica (MPOC)

Atenció al pacient crònic; Insuficiència cardíaca; Malaltia pulmonar obstructiva crònicaAtención al paciente crónico; Insuficiencia cardíaca; Enfermedad pulmonar obstructiva crónicaChronic patient care; Heart failure; Chronic obstructive pulmonary diseaseAquest document pretén establir un marc d’actuació per a la transformació a mitjà termini de l’atenció que es presta als i les pacients crònics des de l’Institut Català de la Salut (ICS), però tenint en compte que molts dels canvis necessaris només són possibles si s’estableixen els mecanismes de col·laboració adequats entre tots els actors del sistema, específicament, si s’estableixen els incentius per tal de garantir-ne la continuïtat, i si evolucionem cap a un model d’atenció que curi i tingui cura dels i les pacients, i alhora serveixi també per reduir les hospitalitzacions innecessàries. L’abordatge s’ha fet escollint la insuficiència cardíaca (IC) i la malaltia pulmonar obstructiva crònica (MPOC), perquè són dues de les malalties que tenen un major impacte en dependència, discapacitat, qualitat de vida i anys de vida perduts al nostre país, i també, perquè concentren una part molt important del cost de la cronicitat

Palaeozoic Basement of the Pyrenees

International audienceIn the Pyrenees, the Cambrian-Lower Ordovician strata represent a quiescent time span with no remarkable tectonic activity, followed by a late Early-Mid Ordovician episode of uplift and erosion that led to the formation of the Sardic unconformity. Silurian sedimentation was widespread and transgressive followed by a Devonian succession characterized by a complex mosaic of sedi-mentary facies. Carboniferous pre-Variscan sediments (Tournaisian-Viséan cherts and limestones) precede the arrival of the synorogenic siliciclastic supplies of the Culm flysch at the Late Serpukhovian. All this succession was subsequently affected by the Serpukhovian-Bashkirian (Variscan) collision, as a result of which, the Palaeozoic rocks were incorporated into the northeastern branch of the Ibero-Armorican Arc

"Acute kidney injury in critically ill patients with COVID-19 : The AKICOV multicenter study in Catalonia"

This study describes the incidence, evolution and prognosis of acute kidney injury (AKI) in critical COVID-19 during the first pandemic wave. We performed a prospective, observational, multicenter study of confirmed COVID-19 patients admitted to 19 intensive care units (ICUs) in Catalonia (Spain). Data regarding demographics, comorbidities, drug and medical treatment, physiological and laboratory results, AKI development, need for renal replacement therapy (RRT) and clinical outcomes were collected. Descriptive statistics and logistic regression analysis for AKI development and mortality were used. A total of 1,642 patients were enrolled (mean age 63 (15.95) years, 67.5% male). Mechanical ventilation (MV) was required for 80.8% and 64.4% of these patients, who were in prone position, while 67.7% received vasopressors. AKI at ICU admission was 28.4% and increased to 40.1% during ICU stay. A total of 172 (10.9%) patients required RRT, which represents 27.8% of the patients who developed AKI. AKI was more frequent in severe acute respiratory distress syndrome (ARDS) ARDS patients (68% vs 53.6%, p<0.001) and in MV patients (91.9% vs 77.7%, p<0.001), who required the prone position more frequently (74.8 vs 61%, p<0.001) and developed more infections. ICU and hospital mortality were increased in AKI patients (48.2% vs 17.7% and 51.1% vs 19%, p <0.001) respectively). AKI was an independent factor associated with mortality (IC 1.587-3.190). Mortality was higher in AKI patients who required RRT (55.8% vs 48.2%, p <0.04). Conclusions There is a high incidence of AKI in critically ill patients with COVID-19 disease and it is associated with higher mortality, increased organ failure, nosocomial infections and prolonged ICU stay

Impacts of Use and Abuse of Nature in Catalonia with Proposals for Sustainable Management

This paper provides an overview of the last 40 years of use, and in many cases abuse, of the natural resources in Catalonia, a country that is representative of European countries in general, and especially those in the Mediterranean region. It analyses the use of natural resources made by mining, agriculture, livestock, logging, fishing, nature tourism, and energy production and consumption. This use results in an ecological footprint, i.e., the productive land and sea surface required to generate the consumed resources and absorb the resulting waste, which is about seven times the amount available, a very high number but very similar to other European countries. This overexploitation of natural resources has a huge impact on land and its different forms of cover, air, and water. For the last 25 years, forests and urban areas have each gained almost 3% more of the territory at the expense of agricultural land; those municipalities bordering the sea have increased their number of inhabitants and activity, and although they only occupy 6.7% of the total surface area, they account for 43.3% of the population; air quality has stabilized since the turn of the century, and there has been some improvement in the state of aquatic ecosystems, but still only 36% are in good condition, while the remainder have suffered morphological changes and different forms of nonpoint source pollution; meanwhile the biodiversity of flora and fauna remains still under threat. Environmental policies do not go far enough so there is a need for revision of the legislation related to environmental impact and the protection of natural areas, flora, and fauna. The promotion of environmental research must be accompanied by environmental education to foster a society which is more knowledgeable, has more control and influence over the decisions that deeply affect it. Indeed, nature conservation goes hand in hand with other social and economic challenges that require a more sustainable vision. Today's problems with nature derive from the current economic model, which is environmentally unsustainable in that it does not take into account environmental impacts. Lastly, we propose a series of reasonable and feasible priority measures and actions related to each use made of the country's natural resources, to the impacts they have had, and to their management, in the hope that these can contribute to improving the conservation and management of the environment and biodiversity and move towards sustainability

Prolonged Sitting Time: Barriers, Facilitators and Views on Change among Primary Healthcare Patients Who Are Overweight or Moderately Obese

Background and Objectives Prolonged sitting time has negative consequences on health, although the population is not well aware of these harmful effects. We explored opinions expressed by primary care patients diagnosed as overweight or moderately obese concerning their time spent sitting, willingness to change, and barriers, facilitators, goals and expectations related to limiting this behaviour. Methods A descriptive-interpretive qualitative study was carried out at three healthcare centres in Barcelona, Spain, and included 23 patients with overweight or moderate obesity, aged 25 to 65 years, who reported sitting for at least 6 hours a day. Exclusion criteria were inability to sit down or stand up from a chair without help and language barriers that precluded interview participation. Ten in-depth, semi-structured interviews (5 group, 5 individual) were audio recorded from January to July 2012 and transcribed. The interview script included questions about time spent sitting, willingness to change, barriers and facilitators, and the prospect of assistance from primary healthcare professionals. An analysis of thematic content was made using ATLAS.Ti and triangulation of analysts. Results The most frequent sedentary activities were computer use, watching television, and motorized journeys. There was a lack of awareness of the amount of time spent sitting and its negative consequences on health. Barriers to reducing sedentary time included work and family routines, lack of time and willpower, age and sociocultural limitations. Facilitators identified were sociocultural change, free time and active work, and family surroundings. Participants recognized the abilities of health professionals to provide help and advice, and reported a preference for patient-centred or group interventions. Conclusions Findings from this study have implications for reducing sedentary behaviour. Patient insights were used to design an intervention to reduce sitting time within the frame of the SEDESTACTIV clinical trial

RED-CAAD. La perspectiva de las comunidades de aprendizaje en el diseño de la acción didáctica

El objetivo principal de esta Red ha sido analizar el diseño y la implementación del contenido curricular “Comunidades de Aprendizaje” en una asignatura de formación básica de los grados en Maestro en Educación Infantil y Maestro en Educación Primaria. En el proceso de esta innovación educativa han participado un total 11 docentes responsables de 16 grupos en los que se imparte la asignatura. En esta memoria se presenta el diseño de dos cuestionarios que han permitido conocer la valoración de la experiencia por parte de los agentes implicados. Los resultados obtenidos muestran que las “Comunidades de Aprendizaje” son un contenido enriquecedor para el aprendizaje de los docentes en formación. Tanto el profesorado como el alumnado consideran que, las estrategias utilizadas para implementar este contenido en su proceso de enseñanza-aprendizaje, han favorecido la adquisición de las competencias profesionales docentes. Una de las conclusiones principales de esta memoria es que es necesario seguir trabajando en este contenido y por ello nos planteamos la posibilidad de continuar con esta línea, ya que el contenido curricular tratado ha sido incluido definitivamente en la guía docente de la asignatura de ambos Grados