Exposición a pantallas con publicidad en escolares y su influencia en el estado nutricional y la conducta alimentaria Zona Sur - Córdoba, 2016

Introducción: La exposición a pantallas con publicidad de alimentos influye en la conducta alimentaria constituyendo un riesgo para el desarrollo de sobrepeso y obesidad. Objetivo: Analizar la relación entre el tiempo de exposición a pantallas con publicidad,la conducta alimentaria y el estado nutricional de los escolares de cuarto y quinto grado de las Escuelas Primarias Municipales de Zona Sur de la Ciudad de Córdoba. Diseño Metodológico: Estudio descriptivo simple correlacional y transversal. La técnica de recolección de datos fue por entrevista, se midió peso y talla. La muestra fue de 228 niños de 4° y 5° grado de 5 Escuelas Municipales. Las variables a analizar fueron: tiempo de exposición a pantallas con publicidad, conducta alimentaria y estado nutricional. Se aplicaron Correlación de Pearson y Prueba de Chi2, a través del Software Infostat. Resultados: El 48,7% presenta EN normal, 46,9% malnutrición por exceso y 4,3% por déficit. Se determinó que el tiempo de exposición semanal a pantallas con publicidad de los niños, se asocia directamente a un IMC > a p/85, siendo estadísticamente significativo (p=0,04). Los niños con sobrepeso y obesidad, manifestaron que ven TV y/o utilizan la PC en un promedio semanal de 21 horas, superando la recomendación diaria de la OMS. Conclusión: Los datos expuestos muestran una alta prevalencia de malnutrición por exceso y la necesidad de sostener nuestra mirada profesional en éstos para transformarlos en acciones como regular el valor nutricional de los productos anunciados, y limitar el tiempo de exposición a pantallas de los niños

Elastocaloric evidence for a multicomponent superconductor stabilized within the nematic state in Ba(Fe1−x_{1-x}Cox_x)2_2As2_2

The iron-based high-$T_c$ superconductors exhibit rich phase diagrams with intertwined phases, including magnetism, nematicity and superconductivity. The superconducting $T_c$ in many of these materials is maximized in the regime of strong nematic fluctuations, making the role of nematicity in influencing the superconductivity a topic of intense research. Here, we use the AC elastocaloric effect (ECE) to map out the phase diagram of Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ near optimal doping. The ECE signature at $T_c$ on the overdoped side, where superconductivity condenses without any nematic order, is quantitatively consistent with other thermodynamic probes that indicate a single-component superconducting state. In contrast, on the slightly underdoped side, where superconductivity condenses within the nematic phase, ECE reveals a second thermodynamic transition proximate to and below $T_c$. We rule out magnetism and re-entrant tetragonality as the origin of this transition, and find that our observations strongly suggest a phase transition into a multicomponent superconducting state. This implies the existence of a sub-dominant pairing instability that competes strongly with the dominant $s^\pm$ instability. Our results thus motivate a re-examination of the pairing state and its interplay with nematicity in this extensively studied iron-based superconductor, while also demonstrating the power of ECE in uncovering strain-tuned phase diagrams of quantum materials

The Gaia mission

Gaia is a cornerstone mission in the science programme of the EuropeanSpace Agency (ESA). The spacecraft construction was approved in 2006, following a study in which the original interferometric concept was changed to a direct-imaging approach. Both the spacecraft and the payload were built by European industry. The involvement of the scientific community focusses on data processing for which the international Gaia Data Processing and Analysis Consortium (DPAC) was selected in 2007. Gaia was launched on 19 December 2013 and arrived at its operating point, the second Lagrange point of the Sun-Earth-Moon system, a few weeks later. The commissioning of the spacecraft and payload was completed on 19 July 2014. The nominal five-year mission started with four weeks of special, ecliptic-pole scanning and subsequently transferred into full-sky scanning mode. We recall the scientific goals of Gaia and give a description of the as-built spacecraft that is currently (mid-2016) being operated to achieve these goals. We pay special attention to the payload module, the performance of which is closely related to the scientific performance of the mission. We provide a summary of the commissioning activities and findings, followed by a description of the routine operational mode. We summarise scientific performance estimates on the basis of in-orbit operations. Several intermediate Gaia data releases are planned and the data can be retrieved from the Gaia Archive, which is available through the Gaia home page. http://www.cosmos.esa.int/gai

Abstract P161: Association Between Kidney Function and Pre-Heart Failure: Insights From the Echocardiographic Study of Latinos (Echo-SOL)

Abstract only Background: Impaired kidney function is an independent risk factor for heart failure (HF), but its association with pre-HF is not as well studied. We assessed kidney function in relation to pre-HF in a diverse Hispanic/Latino population in the US. Methods: Echocardiographic data from visit (V) 1 and 2 of Echo-SOL were analyzed (unweighted n=1643). Prevalent pre-HF was defined as any abnormal echocardiographic parameter at V1: left ventricular (LV) systolic dysfunction (LVSD) [ejection fraction 15%]; LV diastolic dysfunction (LVDD) >grade 1; and LV remodeling (LVR) [LV mass index >115 g/m2 in men, >95 g/m2 in women, relative wall thickness >0.42]. Incident pre-HF was defined at V2 among those without pre-HF at V1 (unweighted n=588). Kidney function was assessed by cystatin C (per 10 mg/L), eGFR (MDRD-traditional and CKD-EPI, per 5 mL/min/1.73 m2), and urine albumin creatinine ratio (UACR, per 10 units). Survey logistic regression analyses were used to examine the association of kidney function measures with prevalent and incident pre-HF and its domains (LVSD, LVDD, LVR), unadjusted and adjusted for age and sex and accounting for the complex survey design. Results: At V1 (mean age 56 years, 55% female), 66.7% had prevalent pre-HF; at V2, 66.3% had incident pre-HF. UACR was significantly associated with prevalent pre-HF and LVR in all models (Table 1-2). Higher cystatin C was significantly associated with incident pre-HF, LVDD, and LVR in all models; whereas eGFR (CKD-EPI) showed a marginal inverse relation with prevalent and incident pre-HF, LVDD and LVR, but only remained associated with LVR in adjusted models (Table 1-2). Conclusion: Declining kidney function (higher UACR and cystatin C) is associated with prevalent and incident pre-HF, diastolic dysfunction, and cardiac remodeling. Lower eGFR is also associated with cardiac remodeling in this population. Screening for kidney function could help us identify pre-HF and start protective therapies earlier to most effectively prevent overt HF