Biochar improves growth and physiology of Swietenia macrophylla king in contaminated soil by copper.

The production of açaí seed waste from the commercial and extractive exploitation of the Euterpe oleraceae palm tree is a serious problem that contributes to environmental contamination and production of greenhouse gases, a fact that suggests the need for an environmentally correct destination for this waste produced on a large scale. To this end, this study was conducted to evaluate the potential of acaí seed biochar (BCA) in mitigating the toxic effects of copper in Brazilian mahogany plants, analyzing biometrics and gas exchange. The experimental design was in randomized blocks, with five blocks, in a 4 × 3 factorial scheme, corresponding to the control (without Cu) and three concentration of Cu (200, 400, and 600 mg Cu kg-1) and three levels of BCA (0%, 5% and 10%) proportional to the amount of soil in the pots, totaling sixty experimental units. The use of 5% BCA in soils contaminated with up to 200 mg kg-1 Cu promoted biometric increase (height, diameter, number of leaves), maintaining gas exchange (photosynthesis, stomatal conductance, transpiration, internal carbon and internal/external carbon), and consequently, maintaining water use efficiency in plants under abiotic stress, resulting in plant growth. The findings of this study allow us to indicate the use of biochar in remediating and improving the growth of plants grown in copper-contaminated soils. The production of biochar from açaí seeds is an ecologically sustainable alternative, because it reduces its accumulation on public roads and contributes to reducing soil pollution. In the context of public policies, biochar production could be a source of income in the context of the bioeconomy and circular economy practiced in the Amazon, because it is produced in large quantities.

Increasing HIV prevalence rate among men who have sex with men: results of a comparison of two national surveys.

Our objective was to compare HIV prevalence between two national surveys among men who have sex with men in Brazil in 2009 and 2016. HIV prevalence was estimated stratifying by age and socioeconomic status. HIV prevalence increased from 11.9% [95% confidence interval (CI): 9.9-14.3], in 2009, to 19.1% (95% CI: 16.5 - 22.0), in 2016 [odds ratio (OR) = 1.8; 95% CI: 1.3-2.3] increasing 320% among Young MSM of low SES. Political leadership is needed to develop a scientifically sound and inclusive solution.

Breastfeeding assistance for preterm and low birth weight infants: best practices implementation project.

OBJECTIVE: To describe the process of best practices implementation for breastfeeding assistance for preterm and low birth weight infants. METHOD: Participatory research that used the evidence implementation methodology of the JBI, held at a university hospital in southeastern Brazil, with the participation of a multidisciplinary team and managers. STAGES: Situational diagnosis, baseline audit and feedback, protocol development, training, implementation, and monitoring. RESULTS: Seven audit criteria were defined. In the baseline audit, three criteria were met, with eleven barriers to be resolved being listed. The strategies carried out were protocol development and multidisciplinary and intersectoral training. After the training, compliance was achieved with the seven criteria audited in the first follow-up audit and five in the second, emphasizing the increase in compliance after the implementation of the outlined strategies. CONCLUSION: The project achieved the objective of improving evidence-based practice, and allowed the implementation of the institution's first breastfeeding protocol. However, it shows the need to maintain training for adherence and enculturation of new practices.

Impactos da gestão da qualidade na prevenção de lesão de pele por adesivo / Impacts of quality management on the prevention of skin injuries caused by adhesives

INTRODUÇÃO: Adesivos médicos são materiais frequentemente utilizados nos serviços de saúde em todos os ambientes de cuidado. Lesão de pele relacionada a adesivo médico ocorre quando as camadas da pele são removidas juntamente com o adesivo, causando uma lesão cutânea, conhecida internacionalmente como Medical Adhesive-Related Skin Injuries (MARSI) (1). Esse tipo de lesão é comum, mas subnotificado, comprometendo a segurança do paciente (2-3). Alguns estudos apontam prevalência de MARSI em torno de 22,7 a 36% (2-5). Os adesivos médicos são necessários para fixarem curativos no local da cirurgia e a prevalência de MARSI Peri incisional gira em torno de 36% (5). A manutenção da integridade da pele é um indicador da qualidade da assistência prestada pela Enfermagem. A MARSI pode ser evitada por meio de intervenções. Desenvolver estratégias para prevenção é crucial para qualidade e segurança do paciente. OBJETIVO: Avaliar o impacto assistencial após a aplicação da ferramenta PDCA para prevenção de MARSI em ferida operatória de pacientes submetidos a cirurgia cardíaca. METODOLOGIA: Utilizou-se da ferramenta PDCA seguindo as etapas: Plan- identificação das MARSI que ocorreram no primeiro bimestre de 2024 por meio da análise individual das LP e estabelecido plano de ação fundamentado por evidências científicas o uso de adesivos adequados para a prevenção de MARSI e desenvolvido bundle para prevenção. Realizado treinamento dos membros da Comissão de Avaliação e Tratamento de feridas e, posterior, analise das ocorrências de MARSI à implantação do bundle. Do- implementado o bundle em amostra piloto composta por 13 casos em um período de 30 dias. Check- acompanharam-se os pacientes que receberam intervenções para prevenção de MARSI por sete dias e Action- monitoramento do indicador: lesão de pele por adesivo. O Estudo foi autorizado pela Divisão de Enfermagem da Instituição. RESULTADO: A Taxa de Efetividade na prevenção de MARSI por adesivo após a implantação do bundle nos pacientes avaliados foi de 100% no período de acompanhamento. Assim, a cobertura de espuma de silicone mostrou-se efetivo para prevenção de MARSI relacionado a adesivo. CONCLUSÃO: A ferramenta de gestão PDCA associada à implantação de programa educacional e assistencial impactou em assistência segura e preventiva de eventos adversos que contribui na melhoria da qualidade de vida dos pacientes em uso adesivo médico.

Stress and exhaustion among medical students: a prospective longitudinal study on the impact of the assessment period on medical education.

BACKGROUND: Stress significantly affects both the physical and emotional health of individuals, particularly students in health-related fields. Medical students in Brazil face unique challenges due to the demanding nature of their studies, especially during assessment periods, which heighten academic pressure. These pressures often lead to poor coping strategies and mental health concerns. It is crucial to understand the complex dynamics of stress within medical education to develop strategies that improve student well-being and promote a healthier academic environment. This study aims to investigate the intricate relationship between assessment periods and stress levels among medical students. It seeks to understand how academic demands and sociodemographic factors contribute to stress dynamics during these periods. METHODS: An online observational, longitudinal, and prospective study was conducted from February to October 2022. Medical students were recruited through snowball sampling and participated in surveys administered via Google Forms at two timepoints: before (T1) and during (T2) assessment periods. The surveys collected sociodemographic data and stress symptoms using Lipp's Inventory of Stress Symptoms for Adults (LSSI). RESULTS: The transition from T1 to T2 was defined by a rise in the prevalence of stress from 59.6 to 84.2% (p = 0.001) and a decline in symptom-free students from 40.4 to 15.8% (p = 0.001). There was a significant increase in exhaustion, from 12.3 to 31.6% (p = 0.0001). Higher stress levels were notably more prevalent among younger students (≤ 24 years), females, those from wealthier families, students without scholarships, those without prior degrees, and those in the clinical phase of their studies. However, non significant correlations were found between these sociodemographic and academic factors and the increase in stress. CONCLUSION: The findings highlight significant concerns regarding the mental health of medical students during assessment periods, marked by increased stress and exhaustion levels. These results emphasize the need for proactive interventions to manage stress effectively in medical education, considering its profound impact on students' well-being.

Endolymphatic sac tumor: An urgent case presenting acute intracranial hypertension successfully treated with suboccipital decompressive craniectomy - 8 years of follow-up.

Background: Endolymphatic sac tumor (ELST) is a rare lesion. It may be sporadically or associated with Von Hippel-Lindau syndrome. Progressive audiovestibular symptoms characterize the typical clinical presentation. Here, we report a unique case of ELST with acute intracranial hypertension (IH) due to tumor compression, successfully treated with an urgent suboccipital decompressive craniectomy (SDC). Case Description: A 33-year-old woman previously underwent a biopsy and ventriculoperitoneal shunt. The histopathological finding revealed an ELST. One year later, she developed headache, vomiting, and somnolence due to brainstem compression. An urgent SDC was performed. One month later, preoperative endovascular embolization and partial tumor resection were carried out. After 6 months adjuvant radiotherapy (RT) therapy was administered. She has been under follow-up for 8 years since the last surgical procedure, and the tumor remains stable. Conclusion: ELST generally has a progressive clinical course. This is a unique case with acute IH due to tumor compression. The tumor's high vascularity and the unavailability of endovascular embolization precluded its resection. SDC was an alternative approach. The final treatment included tumor embolization, surgical resection, and RT. No progression was observed for 8 years after the last procedure, and long-term follow-up is warranted.

Factors associated with alcohol health literacy among patients with diabetes assisted by primary health care

Introduction: The drinking habit is an important factor of metabolic imbalance among people with diabetes. However, individuals with higher levels of health literacy can perform behaviors that create barriers to the emergence of complications of this disease. Checking the health reading related to the drinking habit can be useful to reduce the consequences of diabetes. Objective: To identify the factors associated with health literacy related to the addiction among people with diabetes assisted by primary health care. Methods: Cross-sectional study conducted in health units in the city of Montes Claros, MG, Brazil. Demographic and economic conditions were analyzed, in addition to the levels of health literacy assessed from the instrument Alcohol Health Literacy. Results: The study included 215 people with diabetes with a mean age of 60.73 years, mostly women (63.7%; n=137). Lower levels of alcohol health literacy were present in 31.2% (n=67) of the participants. The following variables were associated with lower levels of health literacy: sex (men, OR 0.46; 95%CI 0.23-0.94; p=0.032), low schooling (early childhood education, OR 7.00; 95%CI 2.55-19.20; p<0.001; illiterate, OR 28.06; 95%CI 4.40-178.83); and spending on diabetes-related drugs (OR 2.27; 95%CI 1.14-4.50; p=0.019). Conclusion: There were better levels of health literacy related to the habit of alcohol use among men, with higher education and who did not have spending on diabetes-related drugs.

Investigating the pharmacological potential of phytol on experimental models of gastric ulcer in rats.

Phytol is a diterpene constituent of many essential oils, belonging to the group of unsaturated acyclic alcohols. Although phytol possesses antimycobacterial and anti-inflammatory effects, no reports of a gastrointestinal action are available from the literature. Due to the well-known shortcomings of classical anti-ulcer drugs (e.g. side effects or relapses), natural products may offer an attractive alternative. In this study, a potential gastroprotective activity of phytol was evaluated using acute and chronic ulcer models in rats. Phytol 12.5, 25 and 50 mg/kg, administered orally 1 h prior to induction of gastric lesions by absolute ethanol, inhibited the lesion area by 96, 90 and 95%, respectively. When lesions were induced by ischemia and reperfusion, phytol 12.5 and 25 mg/kg per os decreased the lesion areas by 89 and 46%, respectively. In the third acute ulcer model (lesions induced by ibuprofen), phytol 12.5 mg/kg reduced the lesion area by 55%. Phytol restored the decreased level of reduced glutathione, the increased levels of myeloperoxidase and malondialdehyde and the decreased levels of catalase and superoxide dismutase in rats with gastric ulcer induced by ethanol to levels obtained in vehicle group. Finally, in a chronic model in which gastric ulcer was induced by acetic acid directly instilled into the stomach, phytol administered orally over a time period of 7 days at 12.5, 25, 50 and 100 mg/kg reduced lesion areas by 84, 81, 83 and 68%. Our data suggest a gastroprotective and cicatrizing effect of phytol, possibly associated with its antioxidant effect.

Temporal bone squamous cell carcinoma: Aggressive behavior coursing with cerebellar invasion and hydrocephalus.

Background: Temporal bone squamous cell carcinoma (TBSCC) is a very rare condition. The prognosis is dismal for advanced tumors. Due to its rarity, information in the literature is scarce. Here, we report a unique case of TBSCC with cerebellar invasion and hydrocephalus. Case Description: A 46-year-old reported right-sided hearing loss and a painful right retroauricular mass for 4 months. Magnetic resonance imaging revealed a 8.7 × 7.6 × 6.4 cm mass invading the right temporal and occipital bones. After a biopsy and 3 surgical procedures over 6 months, the diagnosis of TBSCC was obtained. Due to invasion of the cerebellar tissue and obstructive hydrocephalus, a ventriculoperitoneal shunt was performed. The patient was referred for adjuvant radiotherapy. However, palliative care was initiated due to tumor progression. Conclusion: We report a case of advanced TBSCC with poor prognosis despite surgical treatment and radiotherapy. More data are necessary to provide new and better treatment to these patients.

Partos verticalizados e ocorrência de lacerações perineais em casa de parto do Distrito Federal / Vertical births and occurrence of perineal lacerations in a birth center in the Federal District

Comparar as distintas posições verticalizadas adotadas por parturientes durante o trabalho de parto, associando à ocorrência de possíveis lacerações perineais e seus respectivos graus. Metodologia: Trata-se de um estudo epidemiológico, observacional, descritivo, transversal, retrospectivo, de abordagem quantitativa. O estudo foi realizado na Casa de Parto de São Sebastião, localizada no Distrito Federal, a qual contou com uma amostra aleatória de 499 mulheres, que tiveram seus partos no período de janeiro de 2018 a dezembro de 2021. Resultados: O estudo apontou que 354 mulheres adotaram posições verticalizadas durante o período expulsivo e 249 obtiveram algum grau de laceração; já 145 adotaram posições não verticalizadas e 74 tiveram algum grau de laceração. Entre as posições verticalizadas, a mais adotada foi com o uso da banqueta de parto (37%). Conclusão: As posições verticalizadas estão associadas ao maior número de lacerações, porém o grau da laceração varia entre as posições.(AU)

To compare the different upright positions adopted by parturients during labor, associating them with the occurrence of possible perineal lacerations and their respective degrees. Methodology: This is an epidemiological, observational, descriptive, cross-sectional, retrospective study with a quantitative approach. The study was carried out at the Casa de Parto de São Sebastião, located in the Federal District, which had a random sample of 499 women who gave birth between January 2018 and December 2021. Results: The study found that 354 women adopted upright positions during the expulsive period and 249 had some degree of laceration; 145 adopted non-upright positions and 74 had some degree of laceration. Among the upright positions, the most commonly adopted was the use of the birthing stool (37%). Conclusion: Upright positions are associated with a higher number of lacerations, but the degree of laceration varies between positions.(AU)

Comparar las diferentes posiciones erguidas adoptadas por las parturientas durante el trabajo de parto, asociándolas con la ocurrencia de posibles laceraciones perineales y sus respectivos grados. Metodología: Se trata de un estudio epidemiológico, observacional, descriptivo, transversal, retrospectivo y con abordaje cuantitativo. El estudio se realizó en la Casa de Parto de São Sebastião, ubicada en el Distrito Federal, que contó con una muestra aleatoria de 499 mujeres que dieron a luz entre enero de 2018 y diciembre de 2021. Resultados: El estudio encontró que 354 mujeres adoptaron posiciones erguidas durante el período expulsivo y 249 tuvieron algún grado de laceración; 145 adoptaron posiciones no erguidas y 74 tuvieron algún grado de laceración. Entre las posturas erguidas, la más adoptada fue el uso del taburete de parto (37%). Conclusión: Las posiciones verticales se asocian con el mayor número de laceraciones, pero el grado de laceración varía entre las posiciones.(AU)

Factors associated with external causes in elderly attended by the mobile emergency care service.

OBJECTIVE: To analyze the prevalence and factors associated with external causes in elderly people attended by the mobile emergency care service. METHOD: Cross-sectional study with 1,972 pre-hospital care records of elderly victims of external causes from 2019 to 2020. A descriptive and bivariate analysis was performed, with a significance level of 5% (p<0.05). RESULTS: The prevalence of external causes in elderly people attended by the mobile emergency service was 12.2%. Falling was the most frequent occurrence. The associations of the occurrence of falls with age from 90 years old (OR=29.31; p<0.001) and female gender (OR=5.38; p<0.001) stood out, as well as the suspicion of ingestion of alcoholic beverages with occurrence of violence (OR=4.17; p<0.001) and traffic accidents (OR=1.97; p<0.001). CONCLUSION: The study showed factors associated with injuries due to external causes in theelderly and may support the formulation of coping strategies for this problem.

Puerperal women's social interactions related to their sexual health after childbirth.

OBJECTIVE: To analyze puerperal women's experiences of sexual health after childbirth from the perspective of symbolic interactionism. METHOD: Descriptive, qualitative study. Twenty semi-structured interviews were conducted by videoconference with women in the remote puerperium, captured by snowball technique and searched for "seeds" on Instagram®. Bardin's content analysis and Symbolic Interactionism were used as references. RESULTS: The puerperal women signify sexual health from a perspective of comprehensive healthcare. However, due to the duality between "being a woman" and "being a mother", they recognize fear, bodily transformations and changes in focus from the love relationship to caring for the baby as factors that interfere with sexual health. And they choose to put themselves aside, prioritizing caring for others. They re-signify sexual health by recognizing the importance of taking care of themselves in biopsychosocial aspects and try to recover self-care for a healthy sexual experience. CONCLUSION: Despite the meanings attributed, women's social interactions with the puerperium interfere negatively with sexual health. Professionals should be sensitized to the inclusion of actions that promote changes in the social action of these women towards self-care.

A Preliminary Study on Hepatoprotective, Hypolipidemic and Aortic Morphometric Effects of Omega-3-Rich Fish Oil in Hypercholesterolemic Mice.

This study aims to evaluate the hepatoprotective, hypolipidemic and aortic morphometric effects of fish oil rich in omega-3 in hypercholesterolemic BALB/c mice. This is an experimental model that included 16 male BALB/c mice (Mus musculus) divided into three groups (G1 (standard commercial chow and 0.9% saline solution), G2 (hypercholesterolemic diet and 0.9% saline solution) and G3 (hypercholesterolemic diet and fish oil)) for 8 weeks. There was no significant difference in the treatment with omega-3-rich fish oil in the lipid profile (p > 0.05). In the histological analysis, group G2 detected the presence of hepatitis and liver tissue necrosis, but this was not observed in group G3. As for the morphometry in the light area of the vessel, the G1 group had a higher score (2.62 ± 0.36 mm2) when compared to G2 (2.10 ± 0.16 mm2) and G3 (2.26 ± 0.25 mm2) (p < 0.05). The vessel wall thickness did not differ between the groups (p > 0.05). It is concluded that supplementation with fish oil rich in omega-3 carried out in this study may have a protective effect on liver tissue, but it has not yet improved the lipid and morphometric profile. Despite this research being preliminary, it is a relevant study with future prospects for improving the doses of EPA and DHA in order to better elucidate the benefits of fish oil in models of dyslipidemia.

Plano de pós-parto para gestantes e puérperas: produção de material educativo / Plan de posparto para mujeres embarazadas y puérperas: producción de material educativo / Postpartum plan for pregnant and postpartum women: production of educational material

Resumo Objetivo Desenvolver e validar material educativo para a construção de um plano de pós-parto pela mulher no ciclo gravídico-puerperal, com ou não profissionais da saúde. Métodos Estudo metodológico, organizado em três etapas. 1) Análise e seleção de conteúdo, elaboração teórica do projeto e adaptação na linguagem; 2) Produção do material, com elaboração do design gráfico e projeto ilustrativo; 3) Validação com sete juízes nas áreas de saúde da mulher e educação em saúde. A coleta de dados foi executada com a aplicação de um questionário de caracterização e o Suitability Assessment of Materials for evaluation of health-related information for adults (SAM). A análise se deu por estatística descritiva e Índice de Validade de Conteúdo, sendo considerados aprovados os itens que apresentassem valor igual ou superior a 0,80. Resultados O plano de cuidado intitulado "Meu plano de pós-parto" apresentou ótima aceitação e confiabilidade, evidenciado por um Índice de Validade de Conteúdo global de 0,98. As principais sugestões apresentadas foram a respeito da adaptação da escrita para uma linguagem mais simples e acessível, sendo estas aceitas pelas autoras. Os especialistas apontaram a importância e relevância do plano de pós-parto para o público-alvo. Conclusão O material demonstrou ser um instrumento válido e confiável para a utilização das mulheres durante o ciclo gravídico puerperal, favorecendo uma reflexão sobre os cuidados e preparo precoce para enfrentamento deste período.

Resumen Objetivo Elaborar y validar material educativo para la creación de un plan de posparto por la mujer durante el embarazo y el puerperio, con o sin profesionales de la salud. Métodos Estudio metodológico, organizado en tres etapas: 1) análisis y selección de contenido, elaboración teórica del proyecto y adaptación del lenguaje; 2) producción del material, con elaboración del diseño gráfico y proyecto ilustrativo, y 3) validación por siete jueces de áreas de la salud de la mujer y educación para la salud. La recopilación de datos se llevó a cabo mediante la aplicación de un cuestionario de caracterización y el Suitability Assessment of Materials for evaluation of health-related information for adults (SAM). El análisis se realizó con estadística descriptiva y con el Índice de Validez de Contenido, donde se consideraron aprobados los ítems que presentaron un valor igual o superior a 0,80. Resultados El plan de cuidado llamado "Mi plan de posparto" presentó una excelente aceptación y fiabilidad, demostradas con un Índice de Validez de Contenido global de 0,98. Las principales sugerencias propuestas fueron sobre adaptar la escritura a un lenguaje más simple y accesible, y las autoras las aceptaron. Los especialistas señalaron la importancia y la relevancia del plan de posparto para el público destinatario. Conclusión El material demostró ser un instrumento válido y confiable para que lo utilicen mujeres durante el embarazo y el puerperio, y así favorecer una reflexión sobre los cuidados y la preparación temprana para enfrentar este período.

Abstract Objective To develop and validate an educational material for the construction of a postpartum plan by women in the pregnancy-puerperal cycle, with or without health professionals. Methods Methodological study, organized in three stages. 1) Content analysis and selection, theoretical elaboration of the project and language adaptation; 2) Production of material, with preparation of graphic design and illustrative project; 3) Validation with seven judges in the areas of women's health and health education. Data collection was carried out using a characterization questionnaire and the Suitability Assessment of Materials for evaluation of health-related information for adults (SAM). The analysis was carried out using descriptive statistics and Content Validity Index, with items that presented a value equal to or greater than 0.80 being considered approved. Results The care plan entitled "My postpartum plan" showed excellent acceptance and reliability, evidenced by an overall Content Validity Index of 0.98. The main suggestions presented were about adapting the writing to a simpler and more accessible language, which were accepted by the authors. Experts highlighted the importance and relevance of the postpartum plan for the target audience. Conclusion The material proved to be a valid and reliable instrument for use by women during the pregnancy and puerperal cycle, encouraging reflection on care and early preparation to face this period.

Breastfeeding assistance for preterm and low birth weight infants: best practices implementation project / Asistencia a la lactancia materna para recién nacidos prematuros y de bajo peso al nacer: proyecto de implementación de mejores prácticas / Assistência à amamentação de recém-nascido prematuro e de baixo peso: projeto de implementação de melhores práticas

ABSTRACT Objective: To describe the process of best practices implementation for breastfeeding assistance for preterm and low birth weight infants. Method: Participatory research that used the evidence implementation methodology of the JBI, held at a university hospital in southeastern Brazil, with the participation of a multidisciplinary team and managers. Stages: Situational diagnosis, baseline audit and feedback, protocol development, training, implementation, and monitoring. Results: Seven audit criteria were defined. In the baseline audit, three criteria were met, with eleven barriers to be resolved being listed. The strategies carried out were protocol development and multidisciplinary and intersectoral training. After the training, compliance was achieved with the seven criteria audited in the first follow-up audit and five in the second, emphasizing the increase in compliance after the implementation of the outlined strategies. Conclusion: The project achieved the objective of improving evidence-based practice, and allowed the implementation of the institution's first breastfeeding protocol. However, it shows the need to maintain training for adherence and enculturation of new practices.

RESUMEN Objetivo: Describir el proceso de implantación de las mejores prácticas para la asistencia a la lactancia materna en recién nacidos prematuros y de bajo peso al nacer. Método: Investigación participativa que utilizó la metodología de implementación de evidencia del JBI, realizado en un hospital universitario del sudeste de Brasil, con la participación de un equipo multidisciplinario y gestores. Etapas: Diagnóstico situacional, auditoría de base y retroalimentación, desarrollo de protocolo, capacitación, implementación y seguimiento. Resultados: Se definieron siete criterios de auditoría. En la auditoría de base se cumplieron tres criterios y se enumeraron once barreras por resolver. Las estrategias implementadas fueron el desarrollo de protocolo y la capacitación multidisciplinaria e intersectorial. Luego de la capacitación se logró el cumplimiento de los siete criterios auditados en la primera auditoría de seguimiento y de cinco en la segunda, destacando el incremento en el cumplimiento luego de implementar las estrategias trazadas. Conclusión: El proyecto logró el objetivo de mejorar la práctica basada en evidencia y permitió la implementación del primer protocolo de lactancia materna de la institución, pero destaca la necesidad de mantener la capacitación para la adherencia y la inculturación de nuevas prácticas.

RESUMO Objetivo: Descrever o processo de implantação das melhores práticas para assistência à amamentação de recém-nascido prematuro e de baixo peso. Método: Pesquisa participativa que utilizou a metodologia de implementação de evidências do JBI, realizada em hospital universitário no sudeste do Brasil, com participação de equipe multiprofissional e gestores. Etapas: diagnóstico situacional, auditoria de base e feedback, elaboração de protocolo, treinamentos, implementação e monitoramento. Resultados: Foram definidos sete critérios de auditoria. Na auditoria de base, três critérios se mostraram conformes, sendo elencadas onze barreiras para serem solucionadas. As estratégias realizadas foram elaboração de protocolo e treinamentos multidisciplinares e intersetoriais. Após as capacitações obteve-se conformidade dos sete critérios auditados na primeira auditoria de seguimento e de cinco na segunda, enfatizando o aumento da conformidade após concretização das estratégias traçadas. Conclusão: O projeto alcançou o objetivo de melhorar a prática baseada em evidências, e possibilitou a implementação do primeiro protocolo de amamentação da instituição, porém evidencia a necessidade de manutenção dos treinamentos para adesão e enculturação das novas práticas.

Factors associated with external causes in elderly attended by the mobile emergency care service / Factores asociados a causas externas en ancianos atendidos por el servicio de atención móvil de urgencia / Fatores associados às causas externas em idosos atendidos pelo serviço de atendimento móvel de urgência

ABSTRACT Objective: To analyze the prevalence and factors associated with external causes in elderly people attended by the mobile emergency care service. Method: Cross-sectional study with 1,972 pre-hospital care records of elderly victims of external causes from 2019 to 2020. A descriptive and bivariate analysis was performed, with a significance level of 5% (p<0.05). Results: The prevalence of external causes in elderly people attended by the mobile emergency service was 12.2%. Falling was the most frequent occurrence. The associations of the occurrence of falls with age from 90 years old (OR=29.31; p<0.001) and female gender (OR=5.38; p<0.001) stood out, as well as the suspicion of ingestion of alcoholic beverages with occurrence of violence (OR=4.17; p<0.001) and traffic accidents (OR=1.97; p<0.001). Conclusion: The study showed factors associated with injuries due to external causes in theelderly and may support the formulation of coping strategies for this problem.

RESUMEN Objetivo: Analizar la prevalencia y los factores asociados a causas externas en ancianos atendidos por el servicio de atención móvil de urgencia. Método: Estudio transversal con 1.972 registros de atención pre hospitalaria de ancianos víctimas de causas externas en el período de 2019 a 2020.Se realizó un análisis descriptivo y bivariado, con un nivel de significación del 5% (p<0,05). Resultados: La prevalencia de causas externas en adultos mayores atendidos por el servicio de emergencia móvil fue de 12,2%. La caída fue la ocurrencia más frecuente. Se destacaron las asociaciones de la ocurrencia de caídas con la edad a partir de 90 años (OR=29,31; p<0,001) y el género femenino (OR=5,38; p<0,001), así como la sospecha de ingesta de bebidas alcohólicas con la ocurrencia de violencia (OR=4,17; p<0,001) y accidentes de tránsito (OR=1,97; p<0,001). Conclusión: El estudio mostró factores asociados a las lesiones por causas externas en ancianos y puede apoyar la formulación de estrategias de enfrentamiento de este problema.

RESUMO Objetivo: Analisar a prevalência e fatores associados a causas externas em idosos atendidos pelo serviço de atendimento móvel de urgência. Método: Estudo transversal com 1.972 fichas de atendimento pré-hospitalar de idosos vítimas de causas externas no período de 2019 a 2020. Realizou-se análise descritiva e bivariada, com nível de significância de 5% (p<0,05). Resultados: A prevalência de causas externas em idosos atendidos pelo serviço móvel de urgência foi de 12,2%. A queda foi a ocorrência mais frequente. Destacaram-se as associações da ocorrência de queda com a idade a partir de 90 anos (OR=29,31; p<0,001) e o sexo feminino (OR=5,38; p<0,001), bem como da suspeita de ingestão de bebida alcoólica com a ocorrência de violência (OR=4,17; p<0,001) e acidentes de trânsito (OR=1,97; p<0,001). Conclusão: O estudo evidenciou fatores associados aos agravos por causas externas em idosos e poderá subsidiar formulação de estratégias de enfrentamento a essa problemática.

Hepatitis C virus prevalence among men who have sex with men: a cross-sectional study in 12 Brazilian cities.

BACKGROUND: Despite the preventive policies adopted, reduction in sexually transmitted infections (STIs) among men who have sex with men (MSM) has been limited. The risk of hepatitis C virus (HCV) infection has increased among the most vulnerable population groups, including MSM. The aim of this study was to estimate the prevalence of HCV infection and to assess risky practices among MSM from 12 Brazilian cities. METHODS: This study was carried out from June to December 2016 using respondent driven sampling (RDS). Participants completed a self-administered questionnaire to collect behavioral, socioeconomic, and demographic variables. In addition, the rapid diagnostic test (RDT) for HCV was offered. Positive results were sent to Instituto Adolfo Lutz for confirmation. RESULTS: A total of 4,176 participants were recruited and 23 samples were sent for confirmation. Of these, 16 were confirmed, resulting in a prevalence of 0.7% (95% CI: 0.3%-1.7%). The Southeast region showed a prevalence of 0.9% (95% CI: 0.3-2.6), followed by the South region, with 0.6% (95% CI: 0.2-2.1). The Northeast region had a prevalence of 0.3% (95% CI: 0.1-1.0) and the Midwest 0.1% (95% CI: 0.0-0.7). No positive cases were found in the North. Single men aged 40 years or older were the majority of participants exposed to HCV. High levels of alcohol consumption, illicit drug use, irregular condom use, in addition to infection with other STIs, were associated with exposure to HCV. CONCLUSIONS: STIs continue to be important health problems in Brazil and globally. Many STIs are inapparent for many years until they bring more serious consequences. Extra investment in HCV is also warranted, given that it can be eliminated. Relying solely on clinical data to provide information about inapparent infection, especially in stigmatized populations, will make that goal more difficult to achieve. Surveillance studies, such as the one reported here need to be repeated over time to demonstrate trends and to provide information for evaluation, program and policies. Investments in the most vulnerable populations are critical to achieve the World Health Organization global health goals including the elimination of viral hepatitis by 2030.

Network Analysis and Natural Language Processing to Obtain a Landscape of the Scientific Literature on Materials Applications.

Recent progress in natural language processing (NLP) enables mining the literature in various tasks akin to knowledge discovery. Obtaining an updated birds-eye view of key research topics and their evolution in a vast, dynamic field such as materials science is challenging even for experienced researchers. In this Perspective paper, we present a landscape of the area of applied materials in selected representative journals based on a combination of methods from network science and simple NLP strategies. We found a predominance of energy-related materials, e.g., for batteries and catalysis, organic electronics, which include flexible sensors and flexible electronics, and nanomedicine with various topics of materials used in diagnosis and therapy. As for the impact calculated through standard metrics of impact factor, energy-related materials and organic electronics are again top of the list across different journals, while work in nanomedicine has been found to have a lower impact in the journals analyzed. The adequacy of the approach to identify key research topics in materials applications was verified indirectly by comparing the topics identified in journals with diverse scopes, including journals that are not specific to materials. The approach can be employed to obtain a fast overview of a given field from the papers published in related scientific journals, which can be adapted or extended to any research area.

Lycopene from Red Guava (Psidium guajava L.): From Hepatoprotective Effect to Its Use as Promising Self-Emulsifying Drug Delivery System for Anti-Inflammatory and Antioxidant Applications.

Lycopene is a carotenoid with potential use in the treatment of chronic illnesses. Here, different formulations of lycopene were studied: lycopene-rich extract from red guava (LEG), purified lycopene from red guava (LPG) and a self-emulsifying drug delivery system loaded with LPG (nanoLPG). The effects of administering orally various doses of LEG to hypercholesterolemic hamsters were evaluated regarding the liver function of the animals. The cytotoxicity of LPG in Vero cells was analyzed by a crystal violet assay and by fluorescence microscopy. In addition, nanoLPG was employed in stability tests. LPG and nanoLPG were tested for their cytotoxic effect on human keratinocytes and antioxidant capacity on cells in an endothelial dysfunction model in an isolated rat aorta. Finally, the effect of different nanoLPG concentrations on the expression of immune-related genes (IL-10, TNF-α, COX-2 and IFN-γ) from peripheral blood mononuclear cells (PBMC) using real-time PCR was also analyzed. Results suggest that LEG, despite not being able to improve blood markers indicative of liver function in hypercholesterolemic hamsters, reduced hepatic degenerative changes. Additionally, LPG did not show cytotoxicity in Vero cells. In relation to nanoLPG, the effects produced by heat stress evaluated by Dynamics Light Scattering (DLS) and visually were loss of color, texture change and phase separation after 15 days without interfering with the droplet size, so the formulation proved to be efficient in stabilizing the encapsulated lycopene. Although LPG and nanoLPG showed moderate toxicity to keratinocytes, which may be related to cell lineage characteristics, both revealed potent antioxidant activity. LPG and nanoLPG showed vasoprotective effects in aortic preparations. The gene expression assay indicates that, although no significant differences were observed in the expression of IL-10 and TNF-α, the PBMCs treated with nanoLPG showed a reduction in transcriptional levels of IFN-γ and an increased expression of COX-2. Thus, the work adds evidence to the safety of the use of lycopene by humans and shows that tested formulations, mainly nanoLPG due to its stability, stand out as promising and biosafe products for the treatment of diseases that have oxidative stress and inflammation in their etiopathology.

Hypokinetic Activity of Menthofuran on the Gastrointestinal Tract in Rodents.

The acute toxicity and hypokinetic activity induced by menthofuran on the gastrointestinal tract of rodents were investigated in the present study. An absence of acute toxicity was observed. Menthofuran delayed gastric emptying at oral doses of 25, 50, and 100 mg/kg in the experimental model of phenol red, as well as it reduced the intestinal transit at oral doses of 50 and 100 mg/kg. Interestingly, a scopolamine-similar hypokinetic effect was observed for menthofuran. In the experimental model of castor oil-induced intestinal hypermotility, menthofuran (50 and 100 mg/kg) reduced the number of loose stools as observed for the normal group. Additionally, menthofuran induced a marked concentration-dependent relaxation in rat ileum segments precontracted with KCl (EC50 = 0.059 ± 0.008 µg/mL) or carbachol (EC50 = 0.068 ± 0.007 µg/mL). These results suggest the possible decrease of calcium influx underlying the effects of menthofuran on the gastrointestinal tract, which opens the door for further study regarding this potential application for the treatment of gastrointestinal disorders, noting possible limitations of its use due to adverse effects in children.