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The study of catastrophic costs incurred by people affected by tuberculosis (TB), conducted in Colombia during the COVID-19 pandemic, provided the opportunity to implement telephone surveys for data collection. This constitutes a methodological innovation regarding the standards established by the World Health Organization (WHO) which, for this type of study, usually rely on face-to-face surveys of patients attending health facilities. The study design, objectives, and methodology were adapted from the WHO publication Tuberculosis patient cost surveys: a handbook. A total of 1065 people affected by tuberculosis were selected as study participants and, by telephone, were administered a standard questionnaire adapted to the Colombian context. This allowed the collection of structured data on the direct and indirect costs faced by TB patients and their families. Greater than 80% completeness was achieved for all variables of interest, with an average survey duration of 40 minutes and a rejection rate of 8%. The described survey method to determine the baseline for further study of catastrophic costs in Colombia was novel because of its telephone-based format, which adheres to the information standards required to allow internationally comparable estimates. It is a useful means of generating standardized results in contexts in which the ability to conduct face-to-face surveys is limited.

O estudo dos custos catastróficos incorridos pelas pessoas afetadas pela tuberculose realizado na Colômbia durante a pandemia de COVID-19 representou uma oportunidade de implementar pesquisas telefônicas como forma de coleta de dados. Constitui-se uma inovação metodológica dos padrões estabelecidos pela Organização Mundial da Saúde (OMS), que, para esse tipo de estudo, geralmente se baseiam no uso de pesquisas presenciais com os pacientes que frequentam estabelecimentos de saúde. O delineamento, os objetivos e a metodologia do estudo foram adaptados do manual prático da OMS para a realização de pesquisas de custos da tuberculose. Um total de 1065 pessoas afetadas pela tuberculose foram selecionadas para participar do estudo. O questionário padrão, adaptado ao contexto colombiano, foi aplicado pelo telefone. Foi possível obter dados estruturados sobre os custos diretos e indiretos enfrentados pelos pacientes com tuberculose e suas famílias. Em geral, observou-se que todas as variáveis de coleta atingiram uma completude de mais de 80%, com um tempo médio de pesquisa de 40 minutos e uma taxa de recusa de 8%. A metodologia de pesquisa telefônica desenvolvida para determinar a linha de base do estudo de custos catastróficos na Colômbia foi inovadora devido ao formato telefônico, que mantém os padrões de informação necessários para permitir estimativas comparáveis internacionalmente e é uma forma útil de gerar resultados padronizados em circunstâncias em que há limitações para a realização de pesquisas presenciais.

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Purpose: Using an intersectionality framework, we compared stigma and HIV care and treatment outcomes across transgender and cisgender women sex workers living with HIV in the Dominican Republic (DR). Methods: In 2018-2019, data were collected in Santo Domingo, DR, using interviewer-administered surveys among 211 cisgender women and 100 transgender women. We used t-tests and chi-square tests to examine differences in sex work stigma, HIV stigma, and HIV care and treatment. Results: Transgender participants reported more anticipated HIV stigma (mean=13.61, standard deviation [SD]=2.39) than cisgender participants (mean=12.96, SD=2.21; p=0.018), but there were no statistically significant differences for internalized or enacted HIV stigma. Cisgender participants reported more anticipated sex work stigma (cisgender: mean=50.00, SD=9.22; transgender: mean=44.02, SD=9.54; p<0.001), but transgender women reported more enacted (cisgender: mean=49.99, SD=9.11; transgender: mean=59.93, SD=4.89; p<0.001) and internalized sex work stigma (cisgender: mean=50.00, SD=8.80; transgender: mean=57.84, SD=8.34; p<0.001), with no significant differences in resistance to sex work stigma. Cisgender women were significantly more likely to have received HIV care (cisgender: 99.53%, transgender: 91.00%, p<0.001), be currently taking antiretroviral therapy (cisgender: 96.21%, transgender: 84.00%, p<0.001), and be virally suppressed (cisgender: 76.19%, transgender: 64.00%, p=0.025). Conclusions: Transgender participants consistently had poorer HIV care and treatment outcomes compared with cisgender participants. Differences in stigma experiences between transgender and cisgender participants depended on the type of stigma. Findings reflect the intersectional nature of distinct types and forms of stigma among sex workers. Understanding the shared and unique experiences of transgender and cisgender women will improve HIV care engagement and viral suppression.

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Female sex workers (FSW) are highly mobile, which may result in reduced access to and use of health services and increased risk for poor health outcomes, particularly for those living with HIV. Mobility includes spatial, temporal, and social elements that are not fully captured by quantitative measures. We conducted two rounds of in-depth interviews with FSW living with HIV in Iringa, Tanzania (n = 20), and Santo Domingo, Dominican Republic (n = 20), to describe mobility experiences and compare mobility narratives across settings. We integrated a thematic analysis of all interviews with a narrative analysis of a subset of 10 information-rich interviews (five in each country) with women who had recently traveled, for sex work or another reason, outside of their hometown. Across narratives, FSW living with HIV traveled locally or to seasonal destinations, for short and long periods. Social factors influencing mobility included economic drivers; risk of arrest, harassment, or violence; anonymity and/or familiarity; social relationships; and clients' mobility. Spatial, temporal, and social factors intersected in unique ways in FSW's mobility experiences, yet distinct mobility typologies were evident across settings and destinations. Together, mobility narratives of FSW living with HIV can inform quantitative research on mobility typologies in Tanzania, the Dominican Republic, and elsewhere. With the potential for economic circumstances, climate change, and other emergencies to increase people's mobility around the world, researchers and practitioners can learn from the lived experiences of FSW to inform whether and how to tailor and improve the accessibility of HIV care and treatment interventions based on spatial, temporal, and social characteristics of mobility.

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BACKGROUND: There is a little information about of expression of C4d (complement fragment) in Focal segmental glomerulosclerosis (FSGS) subtypes. Our aim was to determine the expression of C4d in FSGS subtypes in percutaneous native renal biopsies in a second-level hospital and its correlation with clinical, biochemical and histological variables. MATERIAL AND METHODS: A retrospective study in paraffin blocks of patients with biopsy with FSGS aged 16-65 years, indistinct sex, not diabetic or obese. Immunohistochemistry was performed for C4d and their expression was analyzing in non-sclerosed glomerular capillaries (GC) and sclerosis areas (SA). Clinical and biochemical variables were recorded. The cases were divided into C4d positive and C4d negative groups and compared. The correlation between C4d staining scores in CG and SA with clinical and biochemical variables were analyzed. RESULTS: Twenty samples were analyzed, 4 for each subtype. At the time of biopsy average age 38.8 ±â€¯18.6 years, 65% male, 8.7% were hypertension. The percentage of positivity for C4d was 40% in GC, 30% SA and 35% in mesangium. The highest expression was for cellular and collapsing subtypes. C4d positivity cases had increased proteinuria (p = 0.035). A significant correlation was found between percentage of C4d expression in CG with SA (p = 0.012) and SA with tubular atrophy and interstitial fibrosis (p < 0.05). CONCLUSIONS: C4d expression in FSGS predominated in the cellular and collapsing subtypes, which translates complement activation. C4d is a possible surrogate marker in GSFS.

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Prostate cancer (PCa) is the most prevalent cause of death in the male population worldwide. The G Protein-Coupled Estrogen Receptor (GPER) has been gaining relevance in the development of PCa. Hedgehog (Hh) pathway activation is associated with aggressiveness, metastasis, and relapse in PCa patients. To date, no studies have evaluated the crosstalk between the GPER and the Hh pathway along different group grades in PCa. We conducted an analysis of paraffin-embedded tissues derived from patients with different prognostic grade of PCa using immunohistochemistry. Expression and correlation between GPER and glioma associated oncogene homologue (GLI) transcriptional factors in the parenchyma and stroma of PCa tumors were evaluated. Our results indicate that GPER is highly expressed in the nucleus and increases with higher grade groups. Additionally, GPER's expression correlates with pGLI3 nuclear expression across different grade groups in PCa tissues; however, whether the receptor induces the activation of GLI transcriptional factors, or the latter modulate the expression of GPER is yet to be discovered, as well as the functional consequence of this correlation.

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Poly-ADP-Ribose Polymerase (PARP-1) is an overexpressed enzyme in several carcinomas; consequently, the design of PARP-1 inhibitors has acquired special attention. Hence, in the present study, three compounds (8-10) were produced through a Michael addition protocol, using phenylmethanethiol, 5-fluoro-2-mercaptobenzyl alcohol, and 4-mercaptophenylacetic acid, respectively, as nucleophiles and perezone as the substrate, expecting them to be convenient candidates that inhibit PARP-1. It is convenient to note that in the first stage of the whole study, the molecular dynamics (MD) simulations and the quantum chemistry studies of four secondary metabolites, i.e., perezone (1), perezone angelate (2), hydroxyperezone (3), and hydroxyperezone monoangelate (4), were performed, to investigate their interactions in the active site of PARP-1. Complementarily, a docking study of a set of eleven sulfur derivatives of perezone (5-15) was projected to explore novel compounds, with remarkable affinity to PARP-1. The molecules 8-10 provided the most adequate results; therefore, they were evaluated in vitro to determine their activity towards PARP-1, with 9 having the best IC50 (0.317 µM) value. Additionally, theoretical calculations were carried out using the density functional theory (DFT) with the hybrid method B3LYP with a set of base functions 6-311++G(d,p), and the reactivity properties were compared between the natural derivatives of perezone and the three synthesized compounds, and the obtained results exhibited that 9 has the best properties to bind with PARP-1. Finally, it is important to mention that 9 displays significant inhibitory activity against MDA-MB-231 and MCF-7 cells, i.e., 145.01 and 83.17 µM, respectively.

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BACKGROUND: Severely maltreatment child is a harmful social factor that can disrupt normal neurodevelopment. Two commonly reported effects of maltreatment are post-traumatic stress disorder (PTSD) symptoms and brain structural and functional alteration. While Trauma-Focused Cognitive-Behavioral Therapy (TF-CBT) is effectively used to reduce PTSD symptoms in maltreated children, yet, its impact on brain structural alterations has not been fully explored. This study investigated whether TF-CBT can attenuate alterations in brain structures associated with PTSD in middle childhood. METHODS: The study evaluated the longitudinal effects of Trauma-Focused Cognitive-Behavioral Therapy (TF-CBT) on post-traumatic stress disorder (PTSD) symptoms and gray matter volume (GMV) in two groups of children under 12 years old: maltreated children (MC) and healthy non- maltreatmentd children (HC). Structural magnetic resonance images T1 were obtained before and after TF-CBT in the MC group, while the HC group was scanned twice within the same time interval. Voxel-based morphometry (VBM) was used to analyze GMV changes over time. RESULTS: After TF-CBT, maltreated children showed significantly reduced PTSD symptoms. Furthermore, a significant group-by-time interaction effect was observed in certain areas of the Left Temporal, Left Occipital, and bilateral Frontal Cortex, the Basal Ganglia and Cerebellum. These interaction effects were driven by a GMV decrease in the MC group compared to the HC group. GMV changes can be predicted with clinical improvement in the left Middle Temporal gyrus, left Precuneus, and Cerebellum. CONCLUSIONS: Our results suggest that TF-CBT intervention in very young maltreated children may have an effect on gray matter. This evidence demonstrates the importance of timely intervention when neuroplasticity mechanisms may be activated.

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Intersecting forms of stigma including both HIV and sex work stigma have been known to impede HIV prevention and optimal treatment outcomes among FSW. Recent research has indicated that intersectional stigma can be resisted at the community and individual level. We assessed pathways between HIV stigma, sex work stigma, social cohesion and viral suppression among a cohort of 210 FSW living with HIV in the Dominican Republic. Through Poisson regression we explored the relationship between HIV outcomes and internalized, anticipated and enacted HIV and sex work stigma, and resisted sex work stigma. We employed structural equation modeling to explore the direct effect of various forms of stigma on HIV outcomes, and the mediating effects of multi-level stigma resistance including social cohesion at the community level and occupational dignity at the individual level. 76.2% of FSW were virally suppressed and 28.1% had stopped ART at least once in the last 6 months. ART interruption had a significant negative direct effect on viral suppression (OR = 0.26, p < 0.001, 95% CI: 0.13-0.51). Social cohesion had a significant positive direct effect on viral suppression (OR = 2.07, p = 0.046, 95% CI: 1.01-4.25). Anticipated HIV stigma had a significant negative effect on viral suppression (OR = 0.34, p = 0.055, 95% CI: 0.11-1.02). This effect was mediated by the interaction between cohesion and dignity which rendered the impact of HIV stigma on viral suppression not significant. Findings demonstrate that while HIV stigma has a negative impact on viral suppression among FSW, it can be resisted through individual and collective means. Results reinforce the importance of community-driven, multi-level interventions.

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RESUMEN El estudio de costos catastróficos que experimentan las personas afectadas por tuberculosis realizado en Colombia durante la pandemia de COVID-19 trajo consigo la oportunidad de implementar encuestas telefónicas como medio para la recopilación de información. Lo anterior se constituye como una innovación metodológica en los estándares establecidos por la Organización Mundial de la Salud (OMS) que, para este tipo de estudios, suelen tener base en el empleo de encuestas cara a cara con los pacientes que acuden a las instalaciones de salud. El diseño del estudio, sus objetivos y metodología fueron adaptados del manual práctico para la realización de encuestas de costos de la tuberculosis de la OMS. Se seleccionaron 1 065 personas afectadas por tuberculosis como participantes del estudio, a quienes se les administró de manera telefónica el cuestionario estándar adaptado al contexto colombiano. Fue posible obtener datos estructurados sobre los costos directos e indirectos que enfrentan los pacientes con tuberculosis y sus familias; de manera general, se observó que todas las variables de recopilación alcanzaron una completitud mayor a 80%, con un tiempo promedio de encuesta de 40 minutos y una tasa de rechazo de 8%. La metodología de encuestas telefónicas desarrollada para determinar la línea base del estudio de costos catastróficos en Colombia resultó innovadora por el formato telefónico, que mantiene los estándares de información requerida para permitir estimaciones comparables a nivel internacional, y es un medio útil en la generación de resultados estandarizados en eventos en los cuales existe limitación para la realización de encuestas cara a cara.

ABSTRACT The study of catastrophic costs incurred by people affected by tuberculosis (TB), conducted in Colombia during the COVID-19 pandemic, provided the opportunity to implement telephone surveys for data collection. This constitutes a methodological innovation regarding the standards established by the World Health Organization (WHO) which, for this type of study, usually rely on face-to-face surveys of patients attending health facilities. The study design, objectives, and methodology were adapted from the WHO publication Tuberculosis patient cost surveys: a handbook. A total of 1065 people affected by tuberculosis were selected as study participants and, by telephone, were administered a standard questionnaire adapted to the Colombian context. This allowed the collection of structured data on the direct and indirect costs faced by TB patients and their families. Greater than 80% completeness was achieved for all variables of interest, with an average survey duration of 40 minutes and a rejection rate of 8%. The described survey method to determine the baseline for further study of catastrophic costs in Colombia was novel because of its telephone-based format, which adheres to the information standards required to allow internationally comparable estimates. It is a useful means of generating standardized results in contexts in which the ability to conduct face-to-face surveys is limited.

RESUMO O estudo dos custos catastróficos incorridos pelas pessoas afetadas pela tuberculose realizado na Colômbia durante a pandemia de COVID-19 representou uma oportunidade de implementar pesquisas telefônicas como forma de coleta de dados. Constitui-se uma inovação metodológica dos padrões estabelecidos pela Organização Mundial da Saúde (OMS), que, para esse tipo de estudo, geralmente se baseiam no uso de pesquisas presenciais com os pacientes que frequentam estabelecimentos de saúde. O delineamento, os objetivos e a metodologia do estudo foram adaptados do manual prático da OMS para a realização de pesquisas de custos da tuberculose. Um total de 1065 pessoas afetadas pela tuberculose foram selecionadas para participar do estudo. O questionário padrão, adaptado ao contexto colombiano, foi aplicado pelo telefone. Foi possível obter dados estruturados sobre os custos diretos e indiretos enfrentados pelos pacientes com tuberculose e suas famílias. Em geral, observou-se que todas as variáveis de coleta atingiram uma completude de mais de 80%, com um tempo médio de pesquisa de 40 minutos e uma taxa de recusa de 8%. A metodologia de pesquisa telefônica desenvolvida para determinar a linha de base do estudo de custos catastróficos na Colômbia foi inovadora devido ao formato telefônico, que mantém os padrões de informação necessários para permitir estimativas comparáveis internacionalmente e é uma forma útil de gerar resultados padronizados em circunstâncias em que há limitações para a realização de pesquisas presenciais.

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La investigación científica es un componente fundamental para la formación de profesionales de la salud. La Metodología de la Investigación que se imparte en el pregrado de la carrera de medicina tiene como finalidad prepararlos en la realización de investigaciones científicas, mediante las tecnologías de la información. Esta incorpora contenidos de Estadística Descriptiva para desarrollar investigaciones, lo que hace necesario que se adquieran habilidades con herramientas informáticas para procesar los datos recogidos, a través de software, preferentemente de libre distribución. El presente artículo tuvo el objetivo de divulgar el uso del software gratuito Jamovi para los contenidos de Estadística Descriptiva en el primer año de la carrera de medicina del Plan E, lo que permite concluir que esta herramienta gratuita utiliza una interfaz sencilla y amigable. Está diseñada en lenguaje R, puede ser modificada según los intereses del investigador y se ha convertido en la preferida de muchos investigadores en el procesamiento, el análisis y la representación gráfica de datos a nivel global(AU)

Scientific research is a fundamental component in the training of health professionals. The purpose of the subject Research Methodology taught s part of the undergraduate medical program is to prepare them to conduct scientific research using information technologies. This includes descriptive statistics contents to develop research, which makes it necessary to acquire skills with computer tools for processing the collected data, through softwares, preferably of free distribution. The present article had the objective of spreading the use of the free software Jamovi for descriptive statistics contents in the first academic year of the medical major belonging to the plan of studies E, which allows concluding that this free tool uses a simple and user-friendly interface. It is designed in R language, can be modified according to the researcher's interests, and has become the preferred tool of many researchers for the processing, analysis and graphical representation of data at a global level(AU)

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BACKGROUND: In 1944, the call for the construction of "La Raza" Hospital in Mexico City was launched. The project included the proposal to create two murals, and the artists who were invited to participate were Diego Rivera and David Alfaro Siqueiros, who, with their work, bore testimony to the advent of modern medicine and the construction of the social security model in force in Mexico. OBJECTIVE: To determine how mural art is historically linked to medicine in Mexico and how they complement each other, considering two works carried out at the same time and in the same hospital. MATERIAL AND METHODS: Analysis of the historical context and iconographic and iconological analysis of "La Raza" Hospital murals. RESULTS: It was possible to clarify the relationship of the artists with medicine and the role murals play within the modern vision of medicine. CONCLUSIONS: Mural art is intertwined with medicine because it bears witness to the advent of the construction of the social security model currently in force in Mexico, since hospitals became social achievements of the State and were to be known as symbols of welfare and modernity in Mexico.

ANTECEDENTES: En 1944 se lanzó la convocatoria para la construcción del Hospital de Zona Número 1 "La Raza" en el Distrito Federal, México. El proyecto incluyó la propuesta de realizar dos murales y los artistas invitados a participar fueron Diego Rivera y David Alfaro Siqueiros, quienes con su obra dieron testimonio del advenimiento de la medicina moderna y de la construcción del modelo de seguridad social vigente en México. OBJETIVO: Determinar cómo se enlaza históricamente el arte mural con la medicina en México y cómo se complementan entre sí, considerando dos trabajos realizados en la misma época y en el mismo hospital. MATERIAL Y MÉTODOS: Análisis del contexto histórico y análisis iconográfico e iconológico de los murales del Hospital "La Raza". RESULTADOS: Se logró esclarecer cuál fue la relación de los artistas con la medicina y qué papel desempeñan los murales dentro de la visión moderna de la medicina. CONCLUSIONES: El arte mural se entrelaza con la medicina porque da testimonio del advenimiento de la construcción del modelo de seguridad social vigente en México, ya que los hospitales se convirtieron en logros sociales del Estado y se dieron a conocer como símbolos de bienestar y modernidad en México.

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Objetivo: Evaluar la incidencia y factores asociados al pensamiento suicida en una muestra de médicos residentes de dos instituciones. Materiales y métodos: Se realizó un estudio de tipo descriptivo, observacional, prospectivo y transversal, entre los meses de septiembre a octubre del 2022, para estimar el pensamiento suicida en los médicos residentes de dos hospitales con la escala de Plutchik, además de buscar factores asociados. Se aplicó la estadística descriptiva con medidas de tendencia central y de dispersión, frecuencias relativas y absolutas; las pruebas ji al cuadrado de Pearson y de bondad de ajuste, así como la prueba de Kruskal-Wallis se emplearon para examinar las diferencias entre especialidades, y la prueba post-hoc de Tukey para evaluar la especialidad diferente. Resultados: Se respondió un total de 225 encuestas, de las cuales se eliminaron 20 por inadecuado diligenciamiento, y quedaron 205. El promedio de edad fue de 28,66 años (DS ± 2,360) y el 71,2 % correspondió al sexo femenino. En cuanto a las especialidades, se encontró a pediatría con el 28,8 % y a anestesiología con el 20,5 %. Se evidenció asociación significativa entre especialidades, con un valor de p = 0,0000, y grado académico de p = 0,003 (p ≤ 0,05). Según la especialidad, se encontraron diferencias en cuanto al pensamiento suicida; la prueba de Kruskal-Wallis mostró un valor de p = 0,000 y la prueba post-hoc de Tukey reveló que la especialidad de ginecología fue la diferente. Conclusiones: De acuerdo con los resultados de la muestra, alrededor de una cuarta parte de los médicos residentes manifiesta pensamiento suicida. La prevalencia en dicha muestra no presenta diferencia significativa con respecto a la incidencia a nivel latinoamericano. Se encontró una asociación entre ideas suicidas, especialidades médicas y grado académico. En cuanto a comparación entre las especialidades, ginecología fue la que mostró mayor ideación suicida. Este trabajo presenta algunas limitaciones, por ejemplo, existe una gran heterogeneidad de grupos, no se empleó una técnica de selección probabilística y las pruebas estadísticas empleadas fueron no paramétricas.

Objective: To evaluate the incidence and factors associated with suicidal ideation in a sample of resident physicians from two institutions. Materials and methods: A descriptive, observational, prospective and cross-sectional study was carried out to estimate the suicidal ideation and associated factors with the Plutchik Suicide Risk Scale among resident physicians from two hospitals between September and October 2022. Descriptive statistics were used with measures of central tendency and dispersion, as well as relative and absolute frequencies. In addition, Pearson's chi-square goodness of fit test and Kruskal-Wallis H test were used to examine the differences between specialties, and Tukey's Honest Significant Difference test to determine which specialty was different. Results: A total of 225 surveys were answered, out of which 20 were eliminated due to inadequate completion, leaving 205 complete surveys for analysis. The average age was 28.66 years (SD ± 2.360) and 71.2 % were females. Concerning the specialties, pediatrics was found in 28.8 % of the respondents and anesthesiology in 20.5 %. A significant association between specialties with a value of p = 0.0000 and academic degrees with p = 0.003 (p ≤ 0.05) was evidenced. Differences regarding suicidal ideation were found by specialty: Kruskal-Wallis H test showed a value of p = 0.000 and Tukey's Honest Significant Difference test revealed that the specialty of gynecology was the different one. Conclusions: According to the results of the study sample, approximately one fourth of the resident physicians had suicidal ideation. Its prevalence in this sample showed no significant difference with respect to its incidence in Latin America. An association between suicidal ideation, medical specialties and academic degree was found. As for the comparison between specialties, gynecology was the one with the highest suicidal ideation rate. This work had some limitations; for example, the groups were very heterogeneous, a probabilistic selection technique was not used, and the statistical tests were nonparametric.

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Resumen Antecedentes: En 1944 se lanzó la convocatoria para la construcción del Hospital de Zona Número 1 "La Raza" en el Distrito Federal, México. El proyecto incluyó la propuesta de realizar dos murales y los artistas invitados a participar fueron Diego Rivera y David Alfaro Siqueiros, quienes con su obra dieron testimonio del advenimiento de la medicina moderna y de la construcción del modelo de seguridad social vigente en México. Objetivo: Determinar cómo se enlaza históricamente el arte mural con la medicina en México y cómo se complementan entre sí, considerando dos trabajos realizados en la misma época y en el mismo hospital. Material y métodos: Análisis del contexto histórico y análisis iconográfico e iconológico de los murales del Hospital "La Raza". Resultados: Se logró esclarecer cuál fue la relación de los artistas con la medicina y qué papel desempeñan los murales dentro de la visión moderna de la medicina. Conclusiones: El arte mural se entrelaza con la medicina porque da testimonio del advenimiento de la construcción del modelo de seguridad social vigente en México, ya que los hospitales se convirtieron en logros sociales del Estado y se dieron a conocer como símbolos de bienestar y modernidad en México.

Abstract Background: In 1944, the call for the construction of "La Raza" Hospital in Mexico City was launched. The project included the proposal to create two murals, and the artists who were invited to participate were Diego Rivera and David Alfaro Siqueiros, who, with their work, bore testimony to the advent of modern medicine and the construction of the social security model in force in Mexico. Objective: To determine how mural art is historically linked to medicine in Mexico and how they complement each other, considering two works carried out at the same time and in the same hospital. Material and methods: Analysis of the historical context and iconographic and iconological analysis of "La Raza" Hospital murals. Results: It was possible to clarify the relationship of the artists with medicine and the role murals play within the modern vision of medicine. Conclusions: Mural art is intertwined with medicine because it bears witness to the advent of the construction of the social security model currently in force in Mexico, since hospitals became social achievements of the State and were to be known as symbols of welfare and modernity in Mexico.

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Violence against women research largely excludes transgender women's experiences and violence from perpetrators other than intimate partners. This study compares patterns of violence exposure among cisgender and transgender female sex workers (FSWs) and the associations with syndemic health outcomes. We used cross-sectional surveys from samples of cisgender and transgender FSWs living with HIV in the Dominican Republic (N = 211 and 100, respectively). We used latent class analysis to identify patterns of emotional, physical, and sexual violence and harassment by partners, clients, and police. We assessed sociodemographic and occupational predictors in relation to class membership, and class membership in relation to health (HIV continuum of care outcomes, mental health, substance use), using logistic regression. Two classes were identified in cisgender sample: Low Reported Violence Exposure (Class 1) and Sex Work-related Police Harassment (Class 2). Class 2 participants had greater odds of scoring abnormal or borderline abnormal anxiety on the Hospital Anxiety and Depression Scale (HADS-A) (adjusted OR = 3.97, p<0.01), moderate-to-severe depression per the Patient Health Questionnaire-9 (PHQ-9) (aOR = 5.74, p<0.01), and any illicit drug use in the past six months (aOR = 3.06, p<0.05), compared to Class 1. The transgender sample produced three classes: Low Reported Violence Exposure (Class 1); Sex Work-related Police Harassment (Class 2); and Sex Work-related Violence and Harassment (Class 3). Class 3 participants had greater odds of having anxiety (aOR = 6.65, p<0.01) and depression (aOR = 4.45, p<0.05), while Class 2 participants had greater odds of perfect ART adherence during the previous four days (aOR = 2.78, p<0.05), compared to Class 1. The more diverse and extreme violence patterns uncovered for the transgender sample show this group's heightened risk, while similar patterns across groups regarding police abuse highlight a need for police-focused violence prevention interventions. Each sample's highest violence class was associated with poor mental health, underscoring the need for mental health interventions for all FSWs.

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Despite increased attention and efforts to improve HIV care among female sex workers (FSWs), they continue to have suboptimal HIV outcomes. Exploring the socio-structural dynamics related to the quality of HIV care received by FSWs is critical to further strengthen interventions to improve their HIV care continuum outcomes. In this study, we conducted two rounds of qualitative in-depth interviews with 20 FSWs living with HIV in the Dominican Republic to explore how healthcare experiences contributed to their quality of HIV care. Data was analyzed using a thematic analytic approach exploring diverse structural and relational aspects of the quality of HIV care affecting FSWs as they navigate the clinic environment. Results indicated that quality of HIV care was influenced by both structural and relational factors within clinics. At the structural level, insufficient stock of antiretroviral therapy and the financial burden created by HIV care related costs hindered FSWs' satisfaction with their current HIV care and presented a barrier in FSWs' ability to access HIV care services. Quality of care was also closely linked to relational aspects of the HIV care environment, including FSWs' relationship and communication with their clinical providers, as FSWs often expressed their satisfaction with HIV care experiences based on these interpersonal factors. Lastly, personal agency emerged as an important factor contributing to the quality of HIV care, specifically as FSWs' treatment literacy resulted in greater advocacy and demands for quality care. Programmatic efforts should be directed to improving the quality of HIV care experiences of FSWs in the clinic environment. These include addressing resource shortages, promoting positive and effective patient-provider relationships, and facilitating HIV treatment education opportunities for FSWs.

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El confinamiento de la población, incluidas las personas investigadoras, pone de manifiesto la necesidad de adaptar la metodología cualitativa, sus técnicas y herramientas, al contexto actual generado por la COVID-19. Por ello se realiza una revisión bibliográfica con el objetivo de reflexionar sobre el uso de las tecnologías de la información en la metodología cualitativa de salud en tiempos de Covid-19. Se tuvo en cuenta fuentes bibliográficas y documentos obtenidos de búsquedas en Google Académico y SciELO base de datos en Infomed, que incluyo normativas y estudios clásicos vinculados a la temática. Se corroboro que Internet y los medios o redes sociales permiten la recogida de datos textuales, secuencias, imágenes o narrativas sobre una realidad limitada para el acceso a ella de forma presencial, que tenga en cuenta al investigador, el tipo de información, la producción de datos y el sentido de esta práctica investigativa.

The confinement of the population, including the researchers, highlights the need to adapt the qualitative methodology, its techniques and tools, to the current context generated by COVID-19. For this reason, a bibliographical review is carried out with the aim of reflecting on the use of information technologies in the qualitative methodology of health in times of Covid-19. Bibliographic sources and documents obtained from searches in Google Scholar and SciELO database in Infomed, which included regulations and classic studies related to the subject, were taken into account. It was corroborated that the Internet and the media or social networks allow the collection of textual data, sequences, images or narratives about a limited reality for access to it in person, which takes into account the researcher, the type of information, the production of data and the meaning of this investigative practice.

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Forest trees are the world's most important renewable natural resources in terms of their dominance among other biomasses and the diversity of molecules that they produce. Forest tree extractives include terpenes and polyphenols, widely recognized for their biological activity. These molecules are found in forest by-products, such as bark, buds, leaves, and knots, commonly ignored in forestry decisions. The present literature review focuses on in vitro experimental bioactivity from the phytochemicals of Myrianthus arboreus, Acer rubrum, and Picea mariana forest resources and by-products with potential for further nutraceutical, cosmeceutical, and pharmaceutical development. Although these forest extracts function as antioxidants in vitro and may act on signaling pathways involved in diabetes, psoriasis, inflammation, and skin aging, much still remains to be investigated before using them as therapeutic candidates, cosmetics, or functional foods. Traditional forest management systems focused on wood must evolve towards a holistic approach, allowing the use of these extractives for developing new value-added products.

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BACKGROUND: Healthcare-associated infections (HCAIs) are a hospital problem with a prevalence of approximately 5% in Mexico. HCAIs have been related to the patient-nurse ratio (PNR). This study aimed to analyze the association between PNR and HCAI in a tertiary-level pediatric hospital. METHODS: We conducted a descriptive and prospective study at a tertiary-level pediatric hospital in Mexico. Nursing attendance and HCAIs records were documented from July 2017 to December 2018. PNR was calculated using nurse staffing records and patient census. RESULTS: We obtained 63,114 staff attendance data from five hospital departments for the morning, evening, and night shifts. PNR > 2:1 was associated with a 54% (95% confidence interval (CI) 42-167%; p < 0.001) increased risk (odds ratio (OR)) for HCAIs, adjusted by shift staff, special conditions, and surveillance periods. The HCAIs more associated with PNR were urinary tract infections (OR 1.83; 95%CI 1.34-2.46), procedure-related pneumonia (OR 2.08; 95%CI 1.41-3.07), and varicella (OR 2.33; 95%CI 1.08-5.03). CONCLUSIONS: A high number of patients per nurse increased the probability of various types of HCAI. PNR needs to be established the HCAI guidelines and policies, as regulating the number of patients per nurse can prevent HCAIs and their complications.

INTRODUCCIÓN: Las infecciones asociadas a la atención a la salud (IAAS) son un problema para los hospitales; en México se ha reportado una prevalencia de alrededor del 5%. Las IAAS se han relacionado con el índice paciente-enfermera (IPE). El objetivo de este estudio fue analizar la asociación entre el IPE y las IAAS en un hospital pediátrico de tercer nivel. MÉTODOS: Se realizó un estudio descriptivo y prospectivo en un hospital pediátrico de tercer nivel en México. Los registros de asistencia de enfermeras y de IAAS se documentaron desde julio de 2017 hasta diciembre de 2018. El IPE se calculó utilizando los registros de personal de enfermería y el censo de pacientes. RESULTADOS: Se obtuvieron 63,114 datos de asistencia del personal de cinco departamentos del hospital para los turnos de mañana, tarde y noche. El IPE > 2:1 se asoció con un aumento del 54% (IC95% 42­167%; p < 0.001) de riesgo (razón de momios [RM]) para IAAS, ajustado por personal de turno, condiciones especiales y periodos de vigilancia. Las IAAS mayormente asociadas con el IPE fueron infecciones del tracto urinario (RM 1.83; IC 95% 1.34-2.46), neumonía relacionada con procedimientos (RM 2.08; IC95% 1.41-3.07) y varicela (RM 2.33; IC95% 1.08-5.03). CONCLUSIONES: Un alto número de pacientes por enfermera aumenta las probabilidades de varios tipos de IAAS. Es fundamental que el IPE se establezca en las guías y políticas en materia de IAAS, ya que regular el número de pacientes por enfermera puede prevenir las IAAS, así como sus complicaciones.

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