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Este artigo é fruto de pesquisa de iniciação científica da PUC Minas sobre trabalho doméstico e pandemia. Em junho de 2020, morreu Miguel, de cinco anos, filho da empregada doméstica Mirtes Renata, que trabalhava durante a pandemia de covid-19. Miguel caiu do edifício enquanto estava sob os cuidados da patroa de Mirtes. A partir do estudo de caso do "caso Miguel", aliado à bibliografia sobre trabalhadoras domésticas e relações étnico-raciais, buscou-se: (1) observar as relações entre raça, classe e gênero e a naturalização da precarização deste trabalho; (2) analisar o caso Miguel em sua relação com a profissão e movimentos de resistência na luta por direitos, reconhecimento e justiça. Como resultados, observa-se a potência das mobilizações de coalizão entre movimentos sociais e redes de solidariedade para a identificação do caráter estrutural do fenômeno, atuando em forma ampla pela justiça e transformação dessas estruturas. Conclui-se que a pandemia de covid-19 evidenciou a linha direta entre precarização da profissão e a desvalorização das vidas das trabalhadoras domésticas, sendo a morte de Miguel uma consequência da violência e precarização histórica do lugar da mulher negra

This article is the result of PUC Minas' scientific initiation research on domestic work and pandemic. In June 2020, five-year-old Miguel, son of the domestic worker Mirtes Renata, who was working during the COVID-19 pandemic, died. Miguel fell of the building while in the care of Mirtes' employer. From the case study of "Caso Miguel," combined with the bibliography on domestic workers and ethnic racial relations, we sought to: (1) observe the relationships between race, class, and gender and the naturalization of the precariousness of this work; (2) analyse Miguel's case related with the profession and with resistance movements in the fight for rights, recognition, and justice. As results the potential of coalition mobilizations between social movements and solidarity networks to identify the structural character of the phenomenon, acting broadly for justice and transformation of these structures, is observed. In conclusion, the COVID-19 pandemic evidenced the direct line between the profession precarization and the devaluation of the domestic workers lives, with Miguel's death a consequence of violence and historical precarization of black women place

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Resumen: Objetivos: Describir la prevalencia de trastornos respiratorios del sueño (TRS) en escolares chilenos y estudiar factores de riesgo asociados. Pacientes y Método: Estudio transversal y descriptivo. Se enviaron cuestionarios a los padres de niños de 1° año básico de colegios de la Región Metropolitana (Santiago), Región del Biobío (Concepción, Chillán, Yumbel) y Región de Magallanes (Porvenir y Puerto Natales). Se consignaron datos antropométricos, desempeño escolar, características del hogar, contaminantes intradomiciliarios, antecedentes médicos y síntomas actuales de asma, rinitis alérgica y dermatitis atópica. Se determinó estado nutricional según zIMC. Se aplicó un cuestionario de sue ño pediátrico validado en español (pediatric sleep questionnaire, PSQ). Resultados: 564 encuestas fueron analizadas, la edad mediana fue 6 años (rango 5 a 9), 44,9% sexo masculino. La prevalencia de TRS fue 17,7% (n = 100): 6% en Vitacura (Metropolitana), 28,7% en Chillán (Biobío) y 36,4% en Puerto Natales (Magallanes) (p = 0,001). El grupo con TRS tuvo mayor proporción de hombres (54,5 vs 42,8%, p = 0,033), menor rendimiento académico (promedio general 6,36 ± 0,48 vs 6,56 ± 0,34, p = 0,001), menor educación superior materna (44,4 vs 69,9%, p = 0,001) y mayor exposición a contaminantes intradomiciliarios que aquellos sin TRS. Posterior al análisis multivariado se mantu vieron como predictor de TRS el haber presentado síntomas de rinitis en últimos 12 meses (OR 4,79; IC 95% 2,20-10,43) y el nivel educacional básico o medio de la madre (OR 3,51; IC 95% 1,53-8,02). Conclusiones: Los escolares chilenos presentan una alta prevalencia de TRS, con diferencias demo gráficas. Se asoció a factores de riesgo social, a factores más específicos de daño pulmonar y a peor cantidad y calidad del sueño.

Abstract: Objectives: To describe the prevalence of sleep-disordered breathing (SDB) in Chilean schoolchil dren and study associated risk factors. Patients and Method: We carried out a transversal and des criptive study. Questionnaires were sent to the parents of children attending first year of elementary school in the Metropolitan Region (Santiago), the Biobío Region (Concepción, Chillán, Yumbel) and the Magallanes Region (Porvenir and Puerto Natales). Anthropometric data, school performan ce, household characteristics, indoor pollutants, medical history, and current symptoms of asthma, allergic rhinitis, and atopic dermatitis were recorded. The nutritional status was determined accor ding to z-BMI. A pediatric sleep questionnaire validated in Spanish (PSQ) was applied. Results: 564 questionnaires were analyzed, the median age was six years (range 5 to 9), 44.9% male. The SDB prevalence was 17.7% (n = 100): 6% in Vitacura (Metropolitan Region), 28.7% in Chillán (Biobío Region), and 36.4% in Puerto Natales (Magallanes Region) (p = 0.001). The group with SDB had a higher proportion of men (54.5 vs 42.8%, p = 0.033), lower academic performance (overall grade point average 6.36 ± 0.48 vs 6.56 ± 0.34, p = 0.001), lower maternal higher education (44.4% vs 69.9%, p = 0.001), and higher exposure to indoor pollutants than those without SDB. After the multivariate analysis, symptoms of rhinitis in the last 12 months (OR 4.79, 95% CI 2.20-10.43) and lower maternal educational level (OR 3.51; 95% CI 1.53-8.02) remained as predictors of SDB. Con clusions: Chilean schoolchildren have a high prevalence of SDB with demographic differences. It was associated with social risk factors, more specific factors of lung damage, and worse sleep quality and quantity.

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BACKGROUND AND AIM: Upper GI endoscopy (UGE) is essential for the diagnosis of gastrointestinal diseases. Mucus and bubbles may decrease mucosal visibility. The use of mucolytics could improve visualization. Our aim was to determine whether premedication with simethicone or simethicone plus N-acetylcysteine is effective in improving visibility during UGE. METHODS: This was a randomized, double-blinded, placebo-controlled trial with 2 control groups: no intervention and water 100 mL (W); and 3 intervention groups: simethicone 200 mg (S); S + N-acetylcysteine (NAC) 500 mg (S+NAC500); and S + NAC 1000 mg (S+NAC1000). The solution was ingested 20 minutes before UGE. Gastric visibility was evaluated in 4 segments with a previously described scale. A score of less than 7 points was defined as adequate visibility (AV). Water volume was used to improve visibility, and adverse reactions were evaluated as a secondary outcome. Multiple group comparison was performed using non-parametric one-way analysis of variance (ANOVA). RESULTS: Two hundred thirty patients were included in the study, 68% female, mean age 49 years. The most common indication for UGE was epigastric pain/dyspepsia (33%). AV was more frequent in the S+NAC500 and S+NAC1000 groups (65% and 67%) compared with no intervention (44%, P = .044) and water (41%, P = .022). The gastric total visibility scale (TVS) was significantly better in the S+NAC500 and S+NAC1000 groups compared with water (P = .03 and P = .008). Simethicone was not different from no intervention and water. S+NAC1000 required less water volume to improve visibility. No adverse reactions from the study drugs were observed. CONCLUSIONS: Premedication with S+NAC500 and S+NAC1000 improves visibility during UGE. The use of simethicone did not show improvements in gastric visibility. TVS was worse in patients using water alone. (Clinical trial registration number: NCT 01653171.).

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OBJECTIVES: To describe the prevalence of sleep-disordered breathing (SDB) in Chilean schoolchil dren and study associated risk factors. PATIENTS AND METHOD: We carried out a transversal and des criptive study. Questionnaires were sent to the parents of children attending first year of elementary school in the Metropolitan Region (Santiago), the Biobío Region (Concepción, Chillán, Yumbel) and the Magallanes Region (Porvenir and Puerto Natales). Anthropometric data, school performan ce, household characteristics, indoor pollutants, medical history, and current symptoms of asthma, allergic rhinitis, and atopic dermatitis were recorded. The nutritional status was determined accor ding to z-BMI. A pediatric sleep questionnaire validated in Spanish (PSQ) was applied. RESULTS: 564 questionnaires were analyzed, the median age was six years (range 5 to 9), 44.9% male. The SDB prevalence was 17.7% (n = 100): 6% in Vitacura (Metropolitan Region), 28.7% in Chillán (Biobío Region), and 36.4% in Puerto Natales (Magallanes Region) (p = 0.001). The group with SDB had a higher proportion of men (54.5 vs 42.8%, p = 0.033), lower academic performance (overall grade point average 6.36 ± 0.48 vs 6.56 ± 0.34, p = 0.001), lower maternal higher education (44.4% vs 69.9%, p = 0.001), and higher exposure to indoor pollutants than those without SDB. After the multivariate analysis, symptoms of rhinitis in the last 12 months (OR 4.79, 95% CI 2.20-10.43) and lower maternal educational level (OR 3.51; 95% CI 1.53-8.02) remained as predictors of SDB. Con clusions: Chilean schoolchildren have a high prevalence of SDB with demographic differences. It was associated with social risk factors, more specific factors of lung damage, and worse sleep quality and quantity.

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