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La competencia digital y desempeño docente en instituciones educativas públicas: estudio bibliométrico en Scopus
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Paredes-Marín, Rosa Victoria

; Ramírez-Chumbe, Isabel

; Ramírez-Chumbe, Carlos Alberto

Revista Científica UISRAEL

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apr 2024, Volume 11 N. 1 Pages 31 - 48

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen El presente estudio tuvo como objetivo realizar un estudio bibliométrico mundial de los documentos indexados en Scopus que abarcan el periodo entre el 2003 y 2023 centrado en las competencias digitales y el desempeño docente en instituciones educativas públicas. Se fundamentó en un análisis bibliométrico descriptivo y cuantitativo, utilizando palabras clave en inglés en la búsqueda como digital competence, teaching performance, para obtener indicadores de producción científica como el año de publicación, entre otras, país, fuente, institución de filiación, tipo, autor y área temática. De los 179 documentos seleccionados se observó un aumento del número de trabajos académicos publicados entre 2018-2023 para un total de 119 documentos (66%). La mayoría de estos trabajos (93%) fueron artículos científicos y el 38% desarrollados en el área de ciencias sociales, siendo España (20.5%) el país con mayor producción científica. Se concluye que la literatura sobre competencias digitales y desempeño docente en instituciones educativas públicas ha aumentado en producción, autoría y variación temática en respuesta a las demandas y objetivos, con la ayuda de los medios digitales lo que permite una respuesta más inmediata, tanto a las necesidades conceptuales como a la promoción de nuevas aplicaciones creativas de la tecnología.

Abstract The aim of this study was to carry out a worldwide bibliometric study of the documents indexed in Scopus covering the period between 2003 and 2023 focused on digital competencies and teaching performance in public educational institutions. It was based on a descriptive and quantitative bibliometric analysis, using key words in English in the search ("digital competence", "teaching performance"), to obtain indicators of scientific production such as year of publication, country, source, institution of affiliation, type, author and subject area. Of the 179 selected papers, an increase in the number of academic papers published between 2018-2023 was observed for a total of 119 papers (66%). Most of these papers (93%) were scientific articles, and 38% developed in the area of social sciences, with Spain (20.5%) being the country with the highest scientific production. It is concluded that literature on digital competencies and teaching performance in public educational institutions has increased in production, authorship and thematic variation in response to the demands and objectives, with the help of digital media, which allows a more immediate response to both conceptual needs and the promotion of new creative applications of technology.

https://doi.org/10.35290/rcui.v11n1.2023.1066

Diferencias en estilos de vida según el consumo de alcohol en universitarios: estudio longitudinal
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Gómez-Infante, Eduardo Alberto

; Ceballos-Gurrola, Oswaldo

; Moreno-Muciño, Oddete

; Medina-Rodríguez, Rosa Elena

; Enríquez-Reyna, María Cristina

Sanus

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dec 2023, Volume 8 elocation e321

Abstract: Es En Pt | Text: Es En Pt | PDF: Es | PDF: En | PDF: Pt

Resumen Introducción: Estilos de vida sedentarios, sin control nutricional y consumo de alcohol habitual podrían estar incrementando los riesgos a la salud en población universitaria. Objetivo: Analizar las diferencias en estilos de vida al respecto de la ingesta habitual de nutrimentos, gasto energético y actividad física de acuerdo con el consumo de alcohol en universitarios. Metodología: Estudio descriptivo, correlacional, longitudinal con dos mediciones en una muestra de 67 estudiantes del área de la salud en 2017 y 2020. Se incluyó estudiantes vigentes de la universidad que aceptaran participar de manera voluntaria. Se aplicó cédula de datos personales, el recordatorio de 24 horas de pasos múltiples, el Cuestionario Internacional de Actividad Física y se midió la composición corporal. Análisis inferenciales con pruebas de correlación, U de Mann Whitney y prueba de Wilcoxon. Resultados: El 54.2 % de las mujeres y 73.7 % de los hombres refirieron consumir alcohol actualmente. Hubo diferencias estadísticas en gasto energético total y la ingesta de carbohidratos entre los que consumen y no consumen alcohol con p< 05. En ambos grupos el consumo de proteínas se asoció con la ingesta de lípidos con p<.01. Entre mediciones, se encontraron diferencias estadísticas con índice de masa corporal, el consumo calórico total y el gasto energético total con p< 03. Conclusiones: En esta muestra el consumo de alcohol propició diferencias al respecto de mayor composición corporal, consumo calórico y gasto energético lo que puede incidir en mayor posibilidad de exceso de peso en universitarios.

Abstract Introduction: Sedentary lifestyles without nutritional control that also include regular alcohol consumption could increase the health risks in university population. Objective: Analyze the differences in lifestyles with respect to the regular intake of nutrients, energy consumption and physical activity according to alcohol consumption in university students. Methodology: Descriptive, correlational, and longitudinal study with two measurements in a sample of 67 students from the health area (2017 and 2020). Current university students who voluntarily agreed to participate were included. A personal data card, the 24-hour multi-step reminder, the International Physical Activity Questionnaire were applied, and body composition was measured. Inferential analyzes with correlation tests, Mann Whitney U and Wilcoxon test were also implemented. Results: 54.2% of women and 73.7% of men were reported as current alcohol consumers. Differences were observed regarding total energy consumption and carbohydrate intake between those who drink and those who did not drink alcohol (p <.05). In both groups, protein consumption was associated to lipid intake (p <.01). Between measurements, differences were found regarding body mass index, total caloric consumption, and total energy consumption (p <.03). Conclusion: In this sample, alcohol consumption led to differences regarding greater body composition, caloric consumption, and energy consumption, which may influence a greater possibility of overweight in university students.

Abstrato Introdução: Estilos de vida sedentários, sem controle nutricional e consumo habitual de álcool podem estar aumentando os riscos à saúde da população universitária. Objetivo: Analisar as diferenças nos estilos de vida quanto à ingestão habitual de nutrientes, gasto energético e atividade física de acordo com o consumo de álcool em universitários. Metodologia: Estudo longitudinal, descritivo-correlacional com duas medidas em uma amostra de 67 estudantes da área da saúde em 2017 e 2020. Foram incluídos estudantes universitários atuais que aceitaram participar voluntariamente. Cartão de dados pessoais, recordatório de 24 horas de múltiplos passos, Questionário Internacional de Atividade Física e composição corporal foram medidos. Análises inferenciais com testes de correlação, teste U de Mann Whitney e teste de Wilcoxon. Resultados: 54,2% das mulheres e 73,7% dos homens relataram consumir álcool atualmente. Houve diferenças estatísticas no gasto energético total e ingestão de carboidratos entre aqueles que consomem e não consomem álcool com (p<0,05). Em ambos os grupos, a ingestão de proteínas foi associada à ingestão de lipídios com (p<0,01). Entre as medidas, foram encontradas diferenças estatísticas com índice de massa corporal, ingestão calórica total e gasto energético total com p < 03). Conclusões: Nesta amostra, o consumo de álcool levou a diferenças em termos de maior composição corporal, ingestão calórica e gasto energético, o que pode afetar uma maior possibilidade de excesso de peso em universitários.

https://doi.org/10.36789/revsanus.vi1.321

Reproducibilidad clínica de reacciones de hipersensibilidad a fármacos en pruebas de exposición controlada
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Palacios Cañas, Alberto

; Meneses Sotomayor, Jaime Vinicio

; Clar Castelló, Míriam

; Gómez Torrijos, Elisa

; Borja Segade, Jesus María

; García Rodríguez, Rosa

Revista alergia México

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sep 2023, Volume 70 N. 3 Pages 113 - 120

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Objetivo: Evaluar la reproducibilidad de los síntomas en pruebas de exposición con fármacos. Métodos: Estudio retrospectivo, efectuado en pacientes con prueba cutánea o exposición positiva, atendidos en 2019. De cada paciente se registró la sospecha clínica según el algoritmo de Karch-Lasagna. El resultado principal fue la reproducibilidad de síntomas en las pruebas de exposición, mediante el análisis de datos emparejado con prueba de McNemar. Resultados: Se incluyeron 89 pacientes, y de estos 16 reportaron varias pruebas positivas. Se obtuvieron 30 pruebas cutáneas y 75 de exposición positivas. En el 89% de las pruebas de exposición positivas, las reacciones iniciales se clasificaron en probables o posibles, según la escala de Karch-Lasagna. Los síntomas reportados en la reacción inicial no difirieron de los de las pruebas de exposición. Conclusión: La escala de Karch-Lasagna es un método útil para predecir la respuesta en las pruebas de exposición con fármacos. En la mayor parte de las pruebas positivas, los resultados fueron sugeridos por la historia clínica, sin diferencias entre la manifestación de síntomas en la prueba de exposición versus los referidos en la reacción inicial.

Abstract Objective: To assess the reproducibility of symptoms in drug challenge tests. Methods: The study included patients with positive cutaneous or challenge test throughout 2019. For each patient, clinical suspicion according to Karch-Lasagna algorithm was registered. Primary outcome was the reproducibility of symptoms in the provocation tests using a paired analysis of data with McNemar test. Results: Eighty-nine patients were included, 16 of them presented more than one positive test. Thirty were skin tests positive and 75 reacted to provocation tests. Eighty nine percent of patients who reacted in challenge test were probably or possibly reactors according to Karch-Lasagna scale. Symptoms of initial reaction did not differ from those triggered in challenge tests. Conclusions: Karch-Lasagna scale is useful in predicting the response to drug provocation tests. In most of the positive studies, results were suggested by clinical history and no differences were found between symptoms triggered in challenge test and that referred to in the previous reaction.

https://doi.org/10.29262/ram.v70i3.1199

Nivel de proteína y energía en la fermentación in vitro de dietas para borregos
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De la Rosa-Zariñana, Asael Edem

; Miranda-Romero, Luis Alberto

; Martínez-Hernández, Pedro Arturo

; Vargas-Villamil, Luis Manuel

; Elmasry, Amr

Ecosistemas y recursos agropecuarios

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aug 2023, Volume 10 N. 2 elocation e3545

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen. La eficiencia de utilización ruminal del alimento, entre otras razones, depende del nivel de energía y proteína contenida en el mismo. Con el objetivo de determinar el efecto del nivel de energía y proteína del alimento en la digestibilidad (DIVMS72h), el volumen (Vm), tasa (S) y fase Lag (L) de la producción de gas; las fracciones de fermentación rápida (FFR), media (FFM) y lenta (FFL); la producción de metano, el indicador del potencial de calentamiento global (IPCG) e índice de impacto ambiental (IIA), se formularon cinco dietas de acuerdo con el nivel de energía metabolizable (EM, Mcal kg-1 MS) y proteína cruda (PC, %); BB; 2.6 y 13.8, MM; 2.8 y 16, AA; 3.0 y 17.2, AB; 2.8 y 14.5, BA; 2.6 y 17.2 en EM y PC. La S fue superior (p < 0.05) en las dietas AA y AB, el Vm fue menor (p < 0.05) para la dieta BA. La dieta AA tuvo las mayores (p < 0.05) FFR y FFM. Las dietas BA y BB tuvieron la mayor (p < 0.05) FFL, pero menor DIVMS72h (p < 0.05). Respecto al impacto ambiental, la dieta BB produjo la mayor proporción (p < 0.05) de CH4, IPCG e IIA. Se concluye que las dietas con mayor contenido de carbohidratos no estructurales tienen mejor cinética fermentativa y digestibilidades, también generan menores proporciones de CH4, IPCG y IIA, estos últimos pueden usarse como indicadores del impacto ambiental ya que consideran el CO2 y CH4 producidos por los consorcios microbianos del rumen.

Abstract. The ruminal utilization efficiency of the feed, among other rea- sons, depends on the level of energy and protein it contains. To determine the effect of the energy and protein level of the feed on digestibility (IVMD72h), volume (Vm), rate (S) and Lag phase (L) of gas production; the fast (FFR), medium (MFF) and slow (SFF) fermentation fractions; methane production, the global warming potential indicator (GWPI) and environmental impact index (EII), five diets were formulated according to the level of metabolizable energy (ME, Mcal kg-1 DM) and crude protein (PC , %); BB; 2.6 and 13.8, MM; 2.8 and 16, AA; 3.0 and 17.2, AB; 2.8 and 14.5, BA; 2.6 and 17.2 on EM and PC. The S was higher (p < 0.05) in the AA and AB diets, the Vm was lower (p < 0.05) for the BA diet. The AA diet had the highest (p < 0.05) FFR and FFM. The BA and BB diets had the highest (p < 0.05) FFL, but the lowest IVMD72h (p < 0.05). Regarding the environmental impact, the BB diet produced the highest proportion (p < 0.05) of CH4, GWPI and EII. It is concluded that diets with a higher content of non-structural carbohydrates have better fermentative kinetics and digestibilities, they also generate lower proportions of CH4, IPCG and EII, the latter can be used as indicators of environmental impact since they consider the CO2 and CH4 produced by the consortia. rumen microbials.

https://doi.org/10.19136/era.a10n2.3545

An assessment of the zooplankton biomass in Campeche Canyon (southern Gulf of Mexico) during the “Nortes” storm season of 2011
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Fuentes-Martínez, Rosa María

; Coria-Monter, Erik

; Monreal-Gómez, María Adela

; Durán-Campos, Elizabeth

; Salas-de-León, David Alberto

Latin american journal of aquatic research

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jul 2023, Volume 51 N. 3 Pages 435 - 442

Abstract: En | Text: En | PDF: En

ABSTRACT Biomass is a valuable indicator of biological production in any ecosystem and represents a proxy of secondary production in the case of zooplankton. This short communication aims to report zooplankton biomass values in the waters of the Campeche Canyon, southern Gulf of Mexico, during the “Nortes” storm season of 2011 and to explore their relationship with the hydrography and the circulation pattern. The results showed the presence of cyclonic and anticyclonic eddies associated with high and low water density at the base of the pycnocline. The highest values of zooplankton biomass (>40 g 100 m-3) were observed in regions that presented higher water density values (~26.1 kg m-3). In comparison, the lowest zooplankton biomass values (<5 g 100 m-3) were associated with low water densities (<25.6 kg m-3). The results presented here contribute to elucidating the role that physical forcing plays on the zooplankton biomass of the region, particularly during a season in which the passage of extreme storms is widespread.

https://doi.org/10.3856/vol51-issue3-fulltext-3014

The bycatch of piramutaba, Brachyplatystoma vaillantii industrial fishing in a salinity and depth gradient in the Amazon estuary, Brazil
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MARCENIUK, Alexandre Pires

; SOARES, Bruno Eleres

; ROTUNDO, Matheus Marcos

; CAIRES, Rodrigo Antunes

; ROSA, Ricardo de Souza

; SANTOS, Wagner César Rosa dos

; CORDEIRO, Ana Patrícia Barros

; ROMÃO JUNIOR, João Gomes

; AKAMA, Alberto

; WOSIACKI, Wolmar Benjamin

; KLAUTAU, Alex Garcia Cavalleiro de Macedo

; CINTRA, Israel Hidenburgo Aniceto

; BARTHEM, Ronaldo

Acta Amazonica

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jun 2023, Volume 53 N. 2 Pages 93 - 106

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

ABSTRACT The piramutaba, Brachyplatystoma vaillantii is a freshwater catfish that is the most abundant fishery resource in the Amazon estuary. Piramutaba trawling is done on industrial fishing scale and is characterized by the presence of many freshwater and marine bycatch species, with and without commercial value. Here we describe the bycatch of the industrial fishery of piramutaba in the Amazon estuary and evaluate the relationship of two important environmental factors, depth and salinity, with the accidental capture of freshwater and marine fishes in the Amazon estuary in the rainy and dry seasons. We identified 21 cartilaginous fish species (19.1% freshwater and 80.9% marine) and 125 bony fish species (25.6% freshwater and 74.4% marine). The bycatch included 64 species without commercial value (43% of all bycatch species), which are always discarded. Freshwater and estuarine fishes exhibited significantly higher abundances in shallower environments, while marine fishes were similarly abundant along the entire depth gradient. On the contrary, the abundance of freshwater fishes significantly decreased, and that of estuarine and marine fishes significantly increased with increasing salinity. Regarding the conservation status of the bycatch species, one is classified as vulnerable (VU), and seven as critically endangered (CR). The information on the bycatch of piramutaba fishery in the Amazon estuary is important to subsidize regional fisheries policies and the management of protected areas.

RESUMO A piramutaba, Brachyplatystoma vaillantii é um bagre de água doce que representa o recurso pesqueiro mais abundante no estuário amazônico. O arrasto da piramutaba é feito em escala industrial, caracterizado pela presença de muitas espécies de água doce e marinha capturadas de forma incidental, com e sem valor comercial. Aqui descrevemos a captura incidental da pesca industrial de piramutaba no estuário amazônico e avaliamos a relação de dois fatores ambientais, profundidade e salinidade, com a captura incidental de espécies de água doce e marinhas nas estações chuvosa e seca. Identificamos 21 espécies de peixes cartilaginosos (19,1% de água doce e 80,9% marinhos) e 125 espécies de peixes ósseos (25,6% de água doce e 74,4% marinhos). A captura incidental incluiu 64 espécies sem valor comercial (43% de todas as espécies capturadas) que sempre são descartadas. Os peixes de água doce e estuarinos exibiram abundâncias significativamente maiores em ambientes mais rasos, enquanto os peixes marinhos foram igualmente abundantes ao longo de todo o gradiente de profundidade. Inversamente, a abundância de peixes de água doce diminuiu significativamente, e a de peixes estuarinos e marinhos aumentou significativamente em salinidades maiores. Em relação ao estado de conservação das espécies capturadas, uma é reconhecida como vulnerável (VU) e sete como criticamente ameaçadas (CR). As informações sobre a captura incidental da pesca da piramutaba no estuário amazônico são fundaentais para subsidiar políticas pesqueiras regionais e gestão de áreas protegidas.

https://doi.org/10.1590/1809-4392202200342

Descripción del acoso sexual en docentes de un entorno universitario ecuatoriano
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Mejía Paredes, Martha Cecilia

; Saeteros Hernández, Rosa del Carmen

; Chiriboga Tapia, Ana Francisca

; Tacuri Uquillas, Alex Alberto

Revista Eugenio Espejo

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apr 2023, Volume 17 N. 1 Pages 31 - 42

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen El acoso sexual se manifiesta ante la presencia de una serie de conductas de carácter sexual, explícitas o implícitas que resultan invasivas para quien las recibe. El objetivo del presente estudio fue determinar la asociación entre tipo de acoso sexual y género en docentes y personal de apoyo a la academia de una universidad pública ecuatoriana. El estudio tuvo un diseño observacional con alcance asociativo y de corte transversal. Este se desarrolló en un entorno universitario ecuatoriano en 2021 con una población de 1247 docentes y personal de apoyo a la academia, seleccionando una muestra de 484 participantes mediante un muestreo no probabilístico de tipo sujetos voluntarios. Los datos se recolectaron a través de la aplicación de la encuesta ASIES. El 58,3% perteneció al género masculino, predominando las personas autoidentificadas como heterosexuales y la edad promedio fue 41 años. El 14,3% (69) sufrió alguna clase de acoso sexual durante su estadía en la institución, de las que, el 76,8% correspondió al género femenino, esas dos variables se asociaron significativamente (χ²=42,378; p=0,000). La diferencia en la prevalencia entre mujeres y hombres fue estadísticamente significativa (χ²= 42,378; valor p = 0,000). El acoso sexual se asoció significativamente con el género de los participantes autoidentificados como víctimas, observándose que en los hombres predominó en acoso verbal; mientras que, en las mujeres fue el no verbal.

Abstract Sexual harassment manifests itself in a series of sexual, explicit, or implicit behaviors that are invasive for those who receive them. This study aimed to determine the association between the type of sexual harassment and gender in teachers and academic support staff of an Ecuadorian public university. The study had an observational design with an associative and cross-sectional scope. This research was developed in an Ecuadorian university environment in 2021 with a population of 1,247 teachers and academy support staff, selecting a sample of 484 participants through a non-probabilistic sampling of voluntary subjects. The data were collected through the ASIES survey application. 58.3% were male, with a predominance of people self-identified as heterosexual, and the average age was 41. 14.3% (69) suffered sexual harassment during their stay at the institution, of which 76.8% corresponded to the female gender. These two variables were significantly associated (χ²=42.378; .=0.000). The difference in prevalence between women and men was statistically significant (χ²=42.378; .-value=0.000). Sexual harassment was significantly associated with the gender of the participants who self-identified as victims. It was observed that verbal harassment predominated in men and non-verbal in women.

https://doi.org/10.37135/ee.04.16.05

Detección de microorganismos y caracterización de lesiones histopatológicas en la concha de abanico cultivada y silvestre ( Argopecten purpuratus ) en verano e invierno
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Valera A., Adhemir

; Villegas, Rosa

; Manchego S., Alberto

; LLanco A., Luis

; Serrano-Martínez, Enrique

; Sandoval C., Nieves

Revista de Investigaciones Veterinarias del Perú

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apr 2023, Volume 34 N. 2 elocation e25104

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

ABSTRACT The aim of this study was to detect parasitic agents and describe histopathological lesions in scallops (Argopecten purpuratus) from Ancash, Peru, during the summer and winter periods. In total, 360 mollusks were collected, in equal parts from aquaculture farms and wildlife, and in the summer and winter seasons (90 per group). The samples were preserved in Davidson's solution and analyzed by histology. The Chi-square test was used to determine possible associations between the variables. The histopathological findings in digestive glands and gills were similar, finding intracellular microcolonies of bacteria (ICM), hemocyte infiltration and tissue necrosis in all study groups. The prevalence of MCI was associated with the season of the year. Nephridial concretions occurred in all groups. The mantle was mostly affected by the presence of trematodes and hemocyte infiltration, especially in summer. It is concluded that there are microorganisms that affect and cause tissue lesions in Peruvian scallops.

RESUMEN El objetivo del presente estudio fue detectar agentes parasitarios y describir las lesiones histopatológicas en las conchas de abanico (Argopecten purpuratus) de Ancash, Perú, durante los periodos de verano e invierno. Se recolectaron 360 moluscos, en partes iguales de empresas acuícolas y de vida silvestre, y en las épocas de verano e invierno (90 por grupo). Las muestras se conservaron en Solución de Davidson y se analizaron por histología. Se utilizó la prueba de Chi-cuadrado para determinar posible asociación entre las variables. Los hallazgos histopatológicos en glándulas digestivas y branquias fueron semejantes, encontrando microcolonias intracelulares de bacterias (MCI), infiltración de hemocitos y necrosis de los tejidos en los cuatro grupos de estudio. La prevalencia de MCI se asoció con la estación del año. Las concreciones en nefridios se presentaron en todos los grupos. El manto estuvo mayormente afectado con la presencia de trematodos e infiltración de hemocitos, especialmente en el verano. Se concluye que existen microorganismos que afectan y causan lesiones tisulares en las conchas de abanico peruanas.

https://doi.org/10.15381/rivep.v34i2.25104

Supervivencia de injertos de tres especies de Pinus con dos técnicas y dos métodos cicatrizantes
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Pérez-Luna, Alberto

; Soto-Cervantes, Jesús Alejandro

; Madrid-Aispuro, Rosa Elvira

; Sigala-Rodríguez, José Ángel

; Solís-González, Santiago

; Prieto-Ruíz, José Ángel

Revista mexicana de ciencias forestales

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apr 2023, Volume 14 N. 76 Pages 50 - 70

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen El injertado es el método de propagación vegetativa más utilizado en coníferas para clonar genotipos superiores de especies forestales. El objetivo del presente estudio fue evaluar el efecto de dos técnicas de injertado (fisura terminal y enchapado lateral) y dos métodos de cicatrización (natural y aplicación de cera cicatrizante) en tres especies de importancia económica en Durango: Pinus engelmannii, P. cooperi y P. durangensis. El experimento se estableció con un diseño en bloques completos al azar con arreglo factorial 3×2×2 y nueve repeticiones. La supervivencia final se evaluó a los 180 días. El efecto de los tratamientos individuales y sus interacciones se determinó con las pruebas Kruskal-Wallis, Dunn y Dunnett. Se obtuvieron diferencias significativas (p<0.05); la supervivencia mayor fue de 32.9 % en P. engelmannii, 16.3 % en enchapado lateral y 16.9 % con cera cicatrizante. Las dobles interacciones especie × técnica de injerto y especie × método de cicatrización registraron diferencias significativas (p<0.05), además de la triple interacción. Los valores más altos de supervivencia se observaron en injertos de enchapado lateral y fisura terminal de P. engelmannii, con 40 y 25.8 %, respectivamente, así como en los injertos de P. engelmannii con aplicación de cera, cuyo valor fue de 43.3 %. La mejor triple interacción fue la de injertos de enchapado lateral de P. engelmannii con cera cicatrizante (50 %). P. engelmannii respondió mejor al injertado. En P. cooperi y P. durangensis se recomienda buscar otras técnicas de injertado.

Abstract Grafting is the most widely used vegetative propagation method in conifers to clone superior genotypes of forest species. The objective of the present study was to evaluate the effect of two grafting techniques (terminal cleavage and side veneer) and two healing methods (natural and application of healing wax) in three economically important species in Durango: Pinus engelmannii, P. cooperi, and P. durangensis. The experiment was established using a randomized complete block design with a 3×2×2 factorial arrangement and nine replications. Final survival was assessed at 180 days. The effect of individual treatments and their interactions was determined with Kruskal-Wallis, Dunn, and Dunnett tests. Significant differences (p<0.05) were obtained; the highest survival rate for P. engelmannii was 32.9 %, 16.3 % with side-veneer grafting, and 16.9 % with the use of healing wax. The double interactions between species and grafting technique, and between species and healing method showed significant differences (p<0.05), in addition to the triple interaction. The highest survival values were observed in side-veneer and terminal-cleft grafts of P. engelmannii, with 40 and 25.8 %, respectively, as well as in the grafts of P. engelmannii with wax application, whose value was 43.3 %. The best triple interaction was that of side-veneer grafts of P. engelmannii with healing wax (50 %). P. engelmannii responded best to grafting. For P. cooperi and P. durangensis, it is recommended to search for alternative grafting techniques.

https://doi.org/10.29298/rmcf.v14i76.1315

10.

Effectiveness evaluation of online Mindfulness in mental health and alcohol consumption in medical students during the COVID-19 pandemic
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German-Ponciano, León Jesús

; Zapata-de la Rosa, María Fernanda

; Molina-Cadena, Brenda Itzel

; Velasco-Gómez, Yared Sarai

; Puig-Lagunes, Ángel Alberto

Salud mental

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apr 2023, Volume 46 N. 2 Pages 45 - 54

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Introducción Derivado de la pandemia del COVID-19, la prevalencia de estrés, ansiedad, depresión y consumo de alcohol ha incrementado entre los estudiantes de medicina. La intervención por Mindfulness ha reportado disminuir estas psicopatologías y el consumo de alcohol; no obstante, la evidencia muestra resultados poco claros respecto a su eficacia. Objetivo Evaluar la eficacia de la intervención basada en Mindfulness online (IBM) sobre los niveles de sintomatología de estrés, ansiedad y depresión, así como en el consumo de alcohol y el estado de atención plena en estudiantes de medicina durante la pandemia por COVID-19. Método Se realizó una investigación cuasi-experimental en 237 estudiantes de medicina, de los cuales se obtuvieron datos sociodemográficos; además, se midieron los niveles de psicopatologías, consumo de alcohol, y el estado de atención plena pre y post intervención a través de los instrumentos DASS-21, AUDIT, y MASS. Se llevaron a cabo ocho sesiones de Mindfulness online, una vez por semana, de aproximadamente una hora cada una. Resultados La IBM no redujo los niveles de psicopatologías ni de consumo de alcohol ni mejoró el estado de atención plena. Los altos niveles de psicopatologías, la tasa de abandono y la falta de participación voluntaria, fueron los principales factores que limitan la eficacia del IBM online. Discusión y conclusión La IBM online no fue efectiva entre la población estudiada: se recomienda la generación de estrategias en las que los estudiantes se involucren y completen los programas de intervención, los resultados de esta investigación ayudarán a mejorar futuras intervenciones de mindfulness online.

Abstract Introduction As a result of the COVID-19 pandemic, the prevalence of stress, anxiety, depression, and alcohol consumption has increased among medical students. Mindfulness is an intervention to decrease these psychopathologies and alcohol consumption; however, evidence has shown unclear results regarding its efficacy. Objective To evaluate the effectiveness of an online Mindfulness-based intervention (MBI) on stress, anxiety, and depression symptomatology levels, as well as on alcohol consumption and mindfulness status in medical students during the COVID-19 pandemic. Method A quasi-experimental study was conducted on 237 students, obtaining sociodemographic data. In addition the levels of psychopathology, alcohol consumption, and state of mindfulness: were measured pre-and post-intervention through the DASS-21, AUDIT, and MASS instruments. Eight online Mindfulness sessions were conducted once a week for approximately one hour each. Results MBI did not reduce levels of psychopathologies or alcohol consumption, nor did the mindfulness status improve. High levels of psychopathologies, dropout rate, and lack of voluntary participation were the main factors limiting the effectiveness of the online MBI. Discussion and conclusion The online MBI wasn’t effective among the population under study: we recommend generation strategies where students are involved in and complete intervention programs. Results from this research will help enhance future online mindfulness interventions.

https://doi.org/10.17711/sm.0185-3325.2023.007

11.

Aptitud combinatoria y efectos recíprocos de la precocidad en poblaciones nativas de maíz de Tamaulipas
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Hernandez-Trejo, Antonia

; López-Santillán, José Alberto

; Estrada-Drouaillet, Benigno

; Reséndiz-Ramírez, Zoila

; Coronado-Blanco, Juana María

; Malvar, Rosa Ana

Revista mexicana de ciencias agrícolas

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mar 2023, Volume 14 N. 2 Pages 171 - 183

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen La precocidad y adaptación del maíz nativo de Tamaulipas en ambientes restrictivos, permite considerarlo fuente de variabilidad para programas de mejoramiento genético, por ello es necesario conocer los efectos genéticos que controlan su variación. El objetivo fue determinar la acción génica que controla la variación de la precocidad de poblaciones de maíz nativo de Tamaulipas y la relación de la precocidad con el rendimiento de grano. En Güémez, Tamaulipas, en otoño-invierno 2019-2020 y primavera-verano 2020 con aplicación y no aplicación de insecticida para combatir S. frugiperda, se evaluaron los efectos genéticos de días a floración masculina y femenina de seis poblaciones de maíz, sus cruzas directas y reciprocas, mediante un análisis dialélico con el método de Griffing, se analizó la correlación entre la floración y el rendimiento de grano. Para floración masculina y femenina no existieron efectos de aptitud combinatoria general y existieron efectos de aptitud combinatoria especifica, recíprocos y maternos: la variación entre cultivares se explicó en 53% para floración masculina y 45% para femenina por efectos de aptitud combinatoria especifica, para floración masculina 38% de la variación entre cultivares y 43% para femenina fue debida a efectos recíprocos. La variación entre cultivares, dependió de efectos no aditivos y existió herencia citoplasmática involucrada en su expresión. La precocidad se correlacionó positivamente con el rendimiento de grano en el ciclo primavera-verano sin aplicación de insecticida. Con aptitud combinatoria especifica alta sobresalieron TML3S3×VHA y Cam×VHA, para aprovechar los efectos recíprocos en Cam×VHA hay que considerar el orden de los progenitores.

Abstract The earliness and adaptation of native corn of Tamaulipas in restrictive environments allows considering it a source of variability for genetic improvement programs, so it is necessary to know the genetic effects that control its variation. The objective was to determine the gene action that controls the variation of the earliness of native corn populations of Tamaulipas and the relationship of earliness with grain yield. In Güémez, Tamaulipas, in the agricultural cycles of autumn-winter 2019-2020 and spring-summer 2020 with application and non-application of insecticide to combat S. frugiperda, the genetic effects of days to male and female flowering of six corn populations, their direct and reciprocal crosses were evaluated, through a diallel analysis with the Griffing method, the correlation between flowering and grain yield was analyzed. For male and female flowering, there were no effects of general combining ability and there were effects of specific combining ability, reciprocal and maternal: the variation between cultivars was explained in 53% for male flowering and 45% for female flowering by effects of specific combining ability, for male flowering 38% of the variation between cultivars and 43% for female flowering was due to reciprocal effects. The variation between cultivars depended on non-additive effects and there was cytoplasmic inheritance involved in their expression. Earliness was positively correlated with grain yield in the spring-summer cycle without insecticide application. With high specific combining ability, TML3S3×VHA and Cam×VHA stood out, to take advantage of the reciprocal effects in Cam×VHA, the order of the parents must be considered.

https://doi.org/10.29312/remexca.v14i2.2990

12.

Primeras recomendaciones de consenso SLANH - COLABIOCLI
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Robayo, Adriana

; Cueto-Manzano, Alfonso

; Alles, Alberto

; Vallejos, Augusto

; Zúñiga, Carlos

; Carlino, Cristina

; Zúñiga, Eric

; Solá, Laura

; Gadola, Liliana

; Jara, Pablo

; Ríos, Pablo

; Sanchez Polo, Vicente

; López H, Edinson

; Anchart, Eduardo

; Girardi, Raúl

; Sierra-Amor, Rosa

; Ruiz-Arenas, Roberto

; Bravo, Jessica

Acta bioquímica clínica latinoamericana

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mar 2023, Volume 57 N. 1 Pages 126 - 130

Abstract: Es Pt En | Text: Es Pt En | PDF: Es | PDF: Pt | PDF: En

Resumen La enfermedad renal crónica (ERC) es de alta prevalencia en América Latina y en todo el mundo. Se estima que entre 10 y 20% de la población adulta es portadora de ERC y su prevalencia va en aumento. La ERC progresa en forma silenciosa. Su diagnóstico temprano y oportuno permite iniciar un tratamiento efectivo, en la mayoría de los casos, para detener la enfermedad. Desde hace mucho tiempo, el análisis de la creatininemia es la principal prueba utilizada para valorar la función renal, pero su confiabilidad es limitada. De acuerdo con las recomendaciones de las GUIAS KDOQI del año 2002 la tasa de filtración glomerular estimada (TFGe) obtenida a través de fórmulas, se estableció como una de las herramientas principales para detectar la enfermedad renal de manera precoz, ya que alerta de forma precisa al médico y al equipo de salud sobre el nivel de función renal del paciente. La detección de una TFGe disminuida (menor de 60 mL/min/1,73 m2) es clínicamente relevante, ya que permite establecer el diagnóstico de enfermedad renal en adultos. En el año 2022, en una encuesta realizada por SLANH y COLABIOCLI dirigida a los laboratorios de análisis clínicos de América Latina (n: 237), el 49% de los mismos no informaban la TFGe rutinariamente. En base a esta realidad SLANH y COLABIOCLI elaboraron estas recomendaciones de consenso en referencia al uso de la TFGe.

Resumo A doença renal crônica (DRC) é altamente prevalente na América Latina e em todo o mundo. Estima-se que entre 10 e 20% da população adulta seja portadora de DRC e sua prevalência esteja aumentando. A DRC progride silenciosamente. Seu diagnóstico precoce e oportuno permite iniciar um tratamento eficaz, na maioria dos casos, para estancar a doença. Faz muito tempo, a análise da creatinina tem sido o principal teste usado para avaliar a função renal mas sua confiabilidade é limitada. De acordo com as recomendações dos GUIAS KDOQI do ano de 2002, a estimativa da taxa de filtração glomerular (eGFR), obtida por meio de fórmulas, consolidou-se como uma das principais ferramentas para a detecção precoce da doença renal, visto que alerta com precisão ao médico e ao equipe de saúde sobre o nível de função renal do paciente. A detecção de uma eGFR diminuída (inferior a 60 mL/min/1,73 m2) é clinicamente relevante, pois permite estabelecer o diagnóstico de doença renal em adultos. No ano de 2022, em pesquisa realizada pela SLANH e COLABIOCLI dirigida a laboratórios de análises clínicas da América Latina (n: 237), 49% deles não relataram rotineiramente eGFR. Com base nessa realidade, SLANH e COLABIOCLI prepararam essas recomendações de consenso sobre o uso de eGFR.

Abstract Chronic kidney disease (CKD) has a high prevalence worldwide and in Latin America (10 to 20% of the adult population) and is increasing. CKD progresses silently. Opportune diagnosis and treatment are effective in most cases to improve outcomes. Serum creatinine was the main test to assess kidney function, but its reliability is limited. Through the KDOQI Guidelines 2002, the estimated glomerular filtration rate (eGFR) obtained from equations was established as one of the main tools for the early detection of kidney disease in clinical practice. The detection of a decreased eGFR (less than 60 mL/min/1.73 m2) is clinically relevant. This cut-off level establishes the diagnosis of kidney disease in adults. In 2022 SLANH and COLABIOCLI conducted a survey among the clinical laboratories from Latin America. The survey included 237 laboratories, 49% of which did not routinely report the eGFR. Based on this situation, SLANH and COLABIOCLI have elaborated the following consensus recommendations regarding the use of eGFR.

13.

Evaluation and Comparison of Respiratory Muscular Strength, Functionality, and Pelvic Floor in the Immediate Postpartum of Normal and Cesarean Birth
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Rosa, Carolina Martins da

; Dockhorn, Thariny Huesken

; Cardoso, Juliana Rezende

; Forgiarini, Soraia Genebra Ibrahim

; Forgiarini Junior, Luiz Alberto

; Cordeiro, André Luiz Lisboa

Revista Brasileira de Ginecologia e Obstetrícia

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mar 2023, Volume 45 N. 3 Pages 121 - 126

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract Objective: To evaluate and compare peripheral, pelvic floor, respiratory muscle strength, and functionality in the immediate puerperium of normal delivery and cesarean section. Methods: This is a cross-sectional study that verified respiratory, pelvic floor, peripheral, and functional muscle strength through manovacuometry, pelvic floor functional assessment (PFF), dynamometry, and the Time Up and Go (TUG) test, respectively. The groups were divided according to the type of delivery, into a cesarean section group and a normal parturition group. Results: The sample was composed of 72 postpartum puerperae, 36 of normal parturition, and 36 of cesarean section, evaluated before hospital discharge, mean age ranged from 25.56 ± 6.28 and 28.57 ± 6.47 years in puerperae of normal parturition and cesarean section respectively. Cesarean showed higher pelvic floor strength (PFF) compared to normal parturition (p < 0.002), but puerperae from normal delivery showed better functionality (p < 0.001). As for peripheral muscle strength and respiratory muscle strength, there was no significance when comparing the types of parturirion. Conclusion: There is a reduction in pelvic muscle strength in puerperae of normal delivery and a decrease in functionality in puerperae of cesarean section.

Resumo Objetivo: Avaliar e comparar o pavimento pélvico periférico, a força muscular respiratória e a funcionalidade no puerpério imediato do parto normal e da cesariana. Métodos: Este é um estudo transversal que verificou a força muscular respiratória, pavimento pélvico, periférico e funcional através da manovacuometria, avaliação funcional do pavimento pélvico (PFF), dinamometria, e o teste Time Up e Go (TUG), respectivamente. Os grupos foram divididos de acordo com o tipo de parto, num grupo de cesariana e num grupo de parto normal. Resultados: A amostra foi composta por 72 puérperas pós-parto, 36 de parto normal e 36 de cesariana, avaliados antes da alta hospitalar, a idade média variou entre 25,56 ± 6,28 e 28,57 ± 6,47 anos em puérperas de parto normal e cesariana, respectivamente. A cesariana mostrou maior resistência do pavimento pélvico (TFP) em comparação com o parto normal (p < 0,002), mas as puérperas de parto normal mostraram melhor funcionalidade (p < 0,001). Quanto à força muscular periférica e à força muscular respiratória, não houve significado ao comparar os tipos de parto. Conclusão: Há uma redução da força muscular pélvica em puérperas de parto normal e uma diminuição da funcionalidade em puérperas de cesarianas.

https://doi.org/10.1055/s-0043-1768457

14.

Tasa de recurrencia e implicación del margen quirúrgico en la supervivencia del paciente con melanoma acral. ¿Es necesario un margen amplio?
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Lino-Silva, Leonardo S.

; Hernández-Romero, Raúl

; García-Herrera, Juan S.

; Zepeda-Najar, César

; Salcedo-Hernández, Rosa A.

; León-Takahashi, Alberto M.

; Escobar-Jiménez, Marín G.

; Herrera-Gómez, Ángel

Gaceta médica de México

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feb 2023, Volume 159 N. 1 Pages 38 - 43

Abstract: Es En | Text: Es En | PDF: Es | PDF: En

Resumen Introducción: La extensión apropiada de los márgenes de resección en el melanoma acral no está claramente establecida. Objetivo: Investigar si la escisión con margen estrecho es adecuada en el melanoma acral grueso. Métodos: Se estudiaron 306 pacientes con melanoma acral. Conforme a la extensión del margen quirúrgico (de 1 a 2 cm y > 2 cm), se analizaron los factores asociados a la recurrencia y la supervivencia. Resultados: De 306 pacientes, 183 fueron mujeres (59.8 %). La mediana del grosor de Breslow fue 6 mm; 224 casos (73.2 %) fueron de tipo ulcerados, 154 pacientes (50.3 %) tenían enfermedad en estadio clínico III, 137 en II (44.8 %) y 15 en IV (4.9 %). Todos los casos presentaron margen negativo, con una mediana de 31.5 mm. Un grosor de Breslow de 7 mm (p = 0.001) y la etapa clínica III (p = 0.031) se asociaron a recurrencia; los factores asociados a la supervivencia fueron el índice de Breslow (p = 0.047), la ulceración (p = 0.003), la etapa clínica avanzada (p < 0.001) y el uso de adyuvancia (p = 0.003). Conclusión: Un margen de resección de 1 a 2 cm no afectó la recurrencia tumoral ni la supervivencia en los pacientes con melanoma acral.

Abstract Introduction: Appropriate size of resection margins in acral melanoma is not clearly established. Objective: To investigate whether narrow-margin excision is appropriate for thick acral melanoma. Methods: Three-hundred and six patients with acral melanoma were examined. Factors associated with recurrence and survival were analyzed according to surgical margin size (1 to 2 cm and > 2 cm). Results: Out of 306 patients, 183 were women (59.8%). Median Breslow thickness was 6 mm; 224 cases (73.2%) were ulcerated, 154 patients (50.3%) had clinical stage III disease, while 137 were at stage II (44.8%) and 15 at stage IV (4.9%). All cases had negative margins, with a median of 31.5 mm. A Breslow thickness of 7 mm (p = 0.001) and clinical stage III (p = 0.031) were associated with recurrence; the factors associated with survival were Breslow index (p = 0.047), ulceration (p = 0.003), advanced clinical stage (p < 0.001), and use of adjuvant therapy (p = 0.003). Conclusion: A resection margin of 1 to 2 cm did not affect tumor recurrence or survival in patients with acral melanoma.

https://doi.org/10.24875/gmm.22000192

15.

Update of the Brazilian consensus recommendations on Duchenne muscular dystrophy
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Araujo, Alexandra Prufer de Queiroz Campos

; Saute, Jonas Alex Morales

; Fortes, Clarisse Pereira Dias Drumond

; França Jr, Marcondes Cavalcante

; Pereira, Jaqueline Almeida

; Albuquerque, Marco Antonio Veloso de

; Carvalho, Alzira Alves de Siqueira

; Cavalcanti, Eduardo Boiteux Uchôa

; Covaleski, Anna Paula Paranhos Miranda

; Fagondes, Simone Chaves

; Gurgel-Giannetti, Juliana

; Gonçalves, Marcus Vinicius Magno

; Martinez, Alberto Rolim Muro

; Coimbra Neto, Antônio Rodrigues

; Neves, Flavio Reis

; Nucci, Anamarli

; Nucera, Ana Paula Cassetta dos Santos

; Pessoa, Andre Luis Santos

; Rebel, Marcos Ferreira

; Santos, Flavia Nardes dos

; Scola, Rosana Herminia

; Sobreira, Cláudia Ferreira da Rosa

Arquivos de Neuro-Psiquiatria

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jan 2023, Volume 81 N. 1 Pages 81 - 94

Abstract: En Pt | Text: En Pt | PDF: En | PDF: Pt

Abstract In the last few decades, there have been considerable improvements in the diagnosis and care of Duchenne muscular dystrophy (DMD), the most common childhood muscular dystrophy. International guidelines have been published and recently reviewed. A group of Brazilian experts has developed a standard of care based on a literature review with evidence-based graded recommendations in a two-part publication. Implementing best practice management has helped change the natural history of this chronic progressive disorder, in which the life expectancy for children of the male sex in the past used to be very limited. Since the previous publication, diagnosis, steroid treatment, rehabilitation, and systemic care have gained more significant insights with new original work in certain fields. Furthermore, the development of new drugs is ongoing, and some interventions have been approved for use in certain countries. Therefore, we have identified the need to review the previous care recommendations for Brazilian patients with DMD. Our objective was to create an evidence-based document that is an update on our previous consensus on those topics.

Resumo Nas últimas décadas, houve progressos significativos no diagnóstico e no tratamento da distrofia muscular de Duchenne (DMD), considerada a distrofia muscular mais comum na infância. Diretrizes internacionais foram publicadas e revisadas recentemente. Um grupo de especialistas brasileiros desenvolveu um padrão de atendimento baseado em revisão de literatura, com recomendações graduadas pautadas em evidências compiladas em uma publicação dividida em duas partes. A implementação de melhores práticas de manejo ajudou a modificar a história natural desta doença crônica, progressiva, que, no passado, oferecia uma expectativa de vida muito limitada para crianças do sexo masculino. Desde a publicação desse consenso anterior, o diagnóstico, o tratamento com esteroides, a reabilitação e os cuidados sistêmicos ganharam novas possibilidades a partir da divulgação dos resultados de trabalhos originais em algumas dessas áreas. Além disso, as pesquisas e o desenvolvimento de novos fármacos estão em andamento, e algumas intervenções já foram aprovadas para uso em determinados países. Nesse contexto, identificamos a necessidade de rever as recomendações anteriores sobre o manejo dos pacientes brasileiros com DMD. Nosso objetivo principal foi elaborar uma atualização baseada em evidências sobre esses tópicos do consenso.

https://doi.org/10.1055/s-0043-1761466

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Glossary and search help

You can enrich your search in a very simple way. Use the search indexes combined with the connectors (AND or OR) and specify more your search.

For example, if you want to search for articles about
cases of dengue in Brasil in 2015, use:
ti:dengue and publication_year:2015 and aff_country:Brasil

See below the complete list of search indexes that can be used:

Index code	Element
ti	article title
au	author
kw	article keywords
subject	subject (title words, abstract and keywords)
ab	abstract
ta	journal short title (e.g. Cad. Saúde Pública)
journal_title	journal full title (e.g. Cadernos de Saúde Pública)
la	publication language code (e.g. pt - Portuguese, es - Spanish)
type	document type
pid	publication identifier
publication_year	publication year of publication
sponsor	sponsor
aff_country	country code of the author's affiliation
aff_institution	author affiliation institution
volume	article volume
issue	article issue
elocation	elocation
doi	DOI number
issn	journal ISSN
in	SciELO colection code (e.g. scl - Brasil, col - Colômbia)
use_license	article usage license code

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