SummaryMaternal obesity is one of the main public health problems at a world level. It is a multifactorial disease with multiple causes, and few studies exist on its dietary patterns, physical activity and social determinants. This work aims to identify determinants of maternal obesity in a middle income country. Research is based on a prospective cohort design. Data were collected using questionnaires applied to pregnant women. Three dietary patterns were identified, and only half of the women carry out physical activity. The regression analysis showed an association between overweight/obesity and the following variables: age 25 to 29 years old (3.8; CI 1.6‐9.0), 30 to 34 years old (3.7; CI 1.2‐11.6); health problems during pregnancy (2.1; CI 1.0‐4.1); socio‐economic income (1.73; CI 1.54‐2.05); hypertension (2.7; CI 1.4‐4.5); mild food insecurity (1.9; CI 1.0‐3.8); moderate insecurity (3.7; CI 0.92‐15.4); refined food dietary pattern (.76; CI.61‐.95). The risk of increasing BMI during pregnancy mainly depends on socioeconomic and demographic variables such as age, educational level, income, food insecurity, and dietary pattern. This study's results could be used as evidences for the revision, planning, and adjustment of interventions for the prevention and management of maternal obesity, as a part of the national strategies against overweight and obesity.
Background and Objective: The prevalence of hypertrophic cardiomyopathy (HCM) is estimated to be 1 in 200 to 500 individuals, with systolic anterior motion (SAM) of the mitral valve (MV) and left ventricular outflow tract (LVOT) obstruction present in 60% to 70%. In this narrative review, we aim to elucidate the pathophysiology of SAM-septal contact and LVOT obstruction in HCM by presenting a detailed review on the anatomy of the MV apparatus in HCM, examining the various existing theories pertaining to the SAM phenomenon as supported by cardiac imaging, and providing a critical assessment of management strategies for SAM in HCM.Methods: A literature review was performed using PubMed, EMBASE, Ovid, and the Cochrane Library, of all scientific articles published through December 2021. A focus was placed on descriptive studies, reports correlating echocardiographic findings with pathologic diagnosis, and outcomes studies.
The Oscura experiment will lead the search for low-mass dark matter particles using a very large array of novel silicon Charge Coupled Devices (CCDs) with a threshold of two electrons and with a total exposure of 30 kg-yr. The R&D effort, which began in FY20, is currently entering the design phase with the goal of being ready to start construction in late 2024. Oscura will have unprecedented sensitivity to sub-GeV dark matter particles that interact with electrons, probing dark matter-electron scattering for masses down to ∼500 keV and dark matter being absorbed by electrons for masses down to ∼1 eV. The Oscura R&D effort has made some significant progress on the main technical challenges of the experiment, of which the most significant are engaging new foundries for the fabrication of the CCD sensors, developing a cold readout solution, and understanding the experimental backgrounds.
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