Pesquisa | SciELO

Summary: The study of cashew (Anacardium occidentale L.) response to salt stress from physiological indicators in genotypes contributes to the knowledge of the adaptive mechanisms of this species to stressful conditions. The objective of our research was to analyze the phenotypic plasticity and variation in indicators related to photosynthesis in two genotypes (red and yellow) of Anacardium occidentale L., during the seedling stage under greenhouse conditions. The effect of five salinity levels (0.02 dS m-1, 5 dS m-1, 10 dS m-1, 15 dS m-1 and 20 dS m-1) on characters associated with photosynthesis, gas exchange and chlorophyll fluorescence was evaluated. Phenotypic plasticity in response to salt stress was calculated for the indicators evaluated through the phenotypic plasticity index. The red variety showed the greatest effects of salt stress on photosynthetic rate, transpiration, sub-stomatal CO2, Fm, Fv, Fv/Fm, Fv/Fo, and Pi abs. The significant differences found in phenotypic plasticity showed higher values in the red variety in most of the indicators evaluated. A negative effect of salinity at the seedling stage on indicators related to photosynthesis, gas exchange, and chlorophyll fluorescence was detected, as well as significant differences between genotypes according to the indicators evaluated and the levels of phenotypic plasticity. Photosynthesis and stomatal conductance were the indicators that showed the highest values of phenotypic plasticity.

Resumen: El estudio de la respuesta al estrés salino a partir de indicadores fisiológicos en genotipos de marañón (Anacardium occidentale L.), contribuye al conocimiento de los mecanismos adaptativos de esta especie a condiciones estresantes. El objetivo de esta investigación fue analizar la plasticidad fenotípica y la variación en indicadores relacionados con la fotosíntesis en dos genotipos (rojo y amarillo) de Anacardium occidentale L., durante la fase de plántulas en condiciones de invernadero. Se evaluó el efecto de cinco niveles de salinidad (0.02 dS m-1, 5 dS m-1, 10 dS m-1, 15 dS m-1 y 20 dS m-1) sobre caracteres asociados a la fotosíntesis, intercambio gaseoso y la fluorescencia de la clorofila. Se calculó la plasticidad fenotípica en respuesta al estrés salino de los indicadores evaluados a través del índice de plasticidad fenotípica. La variedad roja mostró las mayores afectaciones producto del estrés salino en los indicadores tasa fotosintética, transpiración, CO2 subestomático, Fm, Fv, Fv/Fm, Fv/Fo y Pi abs. Las diferencias significativas encontradas en cuanto a la plasticidad fenotípica mostraron valores superiores en la variedad roja en la mayoría de los indicadores evaluados. Se muestra el efecto negativo que tiene la salinidad en el estadio de plántulas en los indicadores relacionados con la fotosíntesis, intercambio gaseoso, y fluorescencia de la clorofila, así como las diferencias significativas existentes en cuanto a los indicadores evaluados y los niveles de plasticidad fenotípica de los mismos entre genotipos. La fotosíntesis y la conductancia estomática fueron los indicadores que mostraron los mayores valores de plasticidad fenotípica.

https://doi.org/10.28940/terra.v41i0.1556

Resistencia antimicrobiana en los principales recursos acuícolas de los departamentos de Tumbes, Piura, San Martin y Puno
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Calizaya, Carla D.

; Reátegui, Erick H.

; Silva, José C.

; Velazco, Rodolfo

; Rodríguez, Liliana

; Angulo, Derly R.

; Llontop, Carlos A.

; Salcedo, Luis A.

; Villena, Carla A.

Uniciencia

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Dez 2023, Volume 37 Nº 1 Páginas 562 - 577

Resumo: En Es Pt | Texto: En Es Pt | PDF: En | PDF: Es | PDF: Pt

Abstract (Objective) The objective of this study was to analyze antimicrobial resistance in Peruvian aquaculture. (Methodology) An observational, descriptive study was carried out. Samples of Argopectenpurpuratus, Oncorhynchus mykiss, Oreochromis niloticus and Litopenaeus vannamei were included. The bacteria Enterococcus spp., Salmonella spp., Erichia coli, Vibrio parahaemolyticus, Aeromonas spp., and Flavobacterium psychrophilum were isolated. Antibiotic resistance was evaluated using antibiograms, and resistant samples were sequenced to identify antimicrobial resistance genes. Absolute and percentage frequencies were calculated. In addition, Wald, Clopper-Pearson, and pooled prevalence confidence intervals were estimated. (Results) In the case of A. purpuratus, 22.2% (95% CI:2.81-60.00) of the E. coli samples were resistant to oxytetracycline. Resistant samples were found in 4.44% (n=2) of the aquaculture production centers (APCs). In O. mykiss, 88.89% (95% CI:51.16-99.72) of the Enterococcus spp. were resistant to osfomycin and oxytetracycline. Resistant samples were found in12.96% of the APCs (n=7). Regarding O. niloticus, 47.31% (95% CI: 37.16-57.46) of the E. coli samples were resistant to oxytetracycline ampicilline>chloramphenicol>fosfomycin and azithromycin. Resistant samples were encountered in 50% of the APCs (n=19). In addition, 89.36% (95% CI:80.55-98.18) of the Enterococcus spp. were resistant to Fosfomycin> chloranphenicol and colistin> oxytetracycline>azithromycin>ampicilline; resistant samples were found in 36.84% of the APCs (n=14). In L. vannamei, 87.11% (95% CI:83.00-91.21) of the Enterococcus spp. samples were resistant to Fosfomycin> colistin> oxytetracycline> azithromycin> ampicilline and resistant samples were found in 100% of the APCs (n=33). Likewise, 35.05% (95% CI:29.74-40.23) of the V. parahaemolyticus samples were resistant to ampicilline>fosfomycin>oxytetracycline>azithromycin>eritromicine>enrofloxacin>ampicilline> chloranfhenicol. Resistant samples were found in 78.79% (n=26) of the APCs (Conclusions) The percentage of APCs with O. niloticus and L. vannamei showed that antimicrobial resistance was high.

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Resumo (Objetivo) O objetivo foi analisar a resistência antimicrobiana na aquicultura peruana. (Metodologia) Foi realizado um estudo observacional, descritivo. Foram incluídas amostras das espécies Argopecten purpuratus, Oncorhynchus mykiss, Oreochromis niloticus e Litopenaeus vannamei. Foram isoladas bactérias dos gêneros Enterococcus spp., Salmonella spp., Aeromonas spp., e espécies de Escherichia coli, Vibrio parahaemolyticus e Flavobacterium psychrophilum. A resistência antimicrobiana foi avaliada por meio de antibiograma, e amostras resistentes foram sequenciadas para identificar genes de resistência antimicrobiana. Foram calculadas as frequências absoluta e percentual, além dos intervalos de confiança de Wald, Clopper-Pearson e as prevalências agrupadas. (Resultados) Em relação a A. purpuratus, 22,2% (IC 95%: 2,81-60,00) das amostras de E. coli foram resistentes à oxitetraciclina. Estes pertenciam a 4,44 % (n=2) dos centros de produção aquícola (CPA). Em O. mykiss, 88,89% (IC 95%: 51,16-99,72) das amostras de rococcus spp. foram resistentes à fosfomicina e oxitetraciclina. Estas pertenciam a 12,96% das CPAs (n=7). Em relação a O. niloticus, 47,31 % IC 95%: 37,16-57,46) das amostras de E. coli foram resistentes à oxitetraciclina>ampicilina>cloranfenicol fosfomicina e azitromicina. Estas pertenciam a 50% das CPAs (n=19). Além disso, 89,36% (IC95%: 80,55-98,18) das amostras de Enterococcus spp. foram resistentes a fosfomicina>cloranfenicol e colistina>oxitetraciclina>azitromicina>ampicilina; estas pertenciam a 36,84% das CPAs (n=14). Em L. vannamei, 87,11% (IC 95%: 83,00-91,21) das amostras de Enterococcus spp foram resistentes à fosfomicina>colistina>oxitetraciclina>azitromicina eritromicina>enrofloxacina> ampicilina>cloranfenicol e pertenciam a 100% das CPAs (n=33). Além disso, 3 ,05% (IC 95%: 29,74-40,23) das amostras de V.parahaemolyticus foram resistentes à ampicilina>fosfomicina>colistina>oxitetraciclina>azitromicina. Estas pertenciam a 78,79% (n=26) das CPAs. (Conclusões) A porcentagem de CPA de O. niloticus L. vannamei, mostrou maior resistência antimicrobiana do estudo.

https://doi.org/10.15359/ru.37-1.30

Third National Registry of Cardiac Rehabilitation Programs in Mexico (RENAPREC III-2022)
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Lara-Vargas, Jorge A.

; Ilarraza-Lomelí, Hermes

; García-Saldivia, Marianna

; Pineda-García, Alfredo D.

; Leyva-Valadez, Eduardo A.

; Justiniano-Cordero, Samuel

; Sahagún-Olmos, Roberto

; Zavala-Ramírez, Juana

; Cassaigne-Guasco, María E.

; Sánchez-Limón, Edgar-F

; Castañeda-López, Javier

; Cerón-Enríquez, Norma

; Ku-González, Andrés

; Arteaga-Martínez, Rodolfo

; Hinojosa-López, Tania

; Vergara-Guzmán, Jéssica

; Pérez-Vázquez, Daniel I.

; Gasca-Zamudio, Pedro D.

; Aranda-Ayala, Zulema L.

; Vacío-Reyes, Martha E.

; Reza-Orozco, Marco

; Alcocer-Gamboa, Miguel A.

; Hernández-González, Pedro A.

; Pérez-Reyes, Angélica A.

; Núñez-Urquiza, Juan P.

; Alonso-Sánchez, Jesús

; Franco-Valles, Sarahí

; Romo-Escamilla, Ricardo E.

; Nuriulú-Escobar, Patricia

; Serna-Santamaría, Iván

; Avilés-González, Jorge

; Salgado-Solorio, María C.

; Muñoz-Gutiérrez, Luz M.

; Mendoza-Díaz, Pedro M.

; Ávila-Estrada, Ángel

; Morales-Medina, Carlos

; Lara-Vázquez, Eduardo

; Rodríguez-Herrera, Paulina

; Galván-López, María

; Segoviano-Mendoza, Georgina

; De-la-Torre-Cruz, Fabiola

; Jiménez-Campos, Cecilia

; Ramírez-Meléndez, Alejandra

; Almaraz-Ríos, Alejandro

; González-Bonilla, Mezthly

; Rojano-Castillo, Jessica

; Rius-Suarez, María D.

Archivos de cardiología de México

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Dez 2023, Volume 93 Nº 4 Páginas 405 - 416

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

resumen está disponible en el texto completo

Abstract Introduction: In Mexico, cardiac rehabilitation (CR) as an interdisciplinary intervention with therapeutic impact in patients with heart disease is growing. There is the need to know actual conditions of CR in our country. Objectives: The objective of this National Registry is to follow-up those existing and new CR units in Mexico through the comparison between the two previous registries, RENAPREC-2009 and RENAPREC II-2015 studies. This is a descriptive study focused on diverse CR activities such as assistance training, and certification of health professionals, barriers, reference, population attended, interdisciplinarity, permanence over time, growth prospects, regulations, post-pandemic condition, integrative characteristics, and scientific research. Results: Data were collected from 45 CR centers in the 32 states, 75.5% are private practice units, 67% are new, 33% were part of RENAPREC II-2015, and 17 have continued since 2009. With a better distribution of CR units along the territory, the median reference of candidates for CR programs is 9% with a significant reduction into tiempo of enrollment to Phase II admission (19 ± 11 days). Regarding to previous registries, the coverance of Phases I, II, and III is 71%, 100%, and 93%, respectively; and a coverance increases in evaluation, risk stratification, and prescription, more comprehensive attendance and prevention strategies. Conclusions: CR in Mexico has grown in the past 7 years. Even there is still low reference and heterogeneity in specific processes, there are strengths such as interdisciplinarity, scientific professionalization of specialists, national diversification, and an official society that are consolidated over time.

https://doi.org/10.24875/acm.22000235

Peritoneal sarcoidosis that simulates peritoneal carcinomatosis: a case report
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Zanatta-Scattolini, Julieta

; Rodríguez-Oses, Cecilia I.

; Yaryura-Montero, José G.

; Albiero, Juan A.

; Flores, Jorge O.

; Ferrero, Carlos I.

Cirugía y cirujanos

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Ago 2023, Volume 91 Nº 4 Páginas 567 - 570

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen La sarcoidosis es un trastorno inflamatorio multisistémico de causa desconocida que se caracteriza por la formación de granulomas pleomórficos, no caseificantes, con afectación predominantemente pulmonar. Aunque la sarcoidosis abdominal representa el 30% de las manifestaciones extrapulmonares, la afectación peritoneal es extremadamente rara. Describiremos un caso poco frecuente de sarcoidosis peritoneal simulando carcinomatosis en una paciente joven con dolor abdominal sometida a exploración laparoscópica.

Abstract Sarcoidosis is a multisystem inflammatory disorder of unknown cause characterized by the formation of pleomorphic, non-caseating granulomas with predominantly pulmonary involvement. Although abdominal sarcoidosis represents 30% of extrapulmonary manifestations, peritoneal involvement is extremely rare. We will describe a rare case of peritoneal sarcoidosis simulating carcinomatosis in a young patient with abdominal pain who underwent laparoscopic examination.

https://doi.org/10.24875/ciru.21000715

Prevalence, causes, and clinical course of patients with surgical reintervention due to complications during cesarean section
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Vázquez-Rodríguez, Juan G.

; Serrano-Rodríguez, Juan

; Arredondo-Andrade, Silvia A.

; Chable-Chan, Fabián G.

; García-Bello, Juan A.

; Nájera-Coutiño, Carlos M.

Cirugía y cirujanos

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Ago 2023, Volume 91 Nº 4 Páginas 446 - 450

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Objetivo: Identificar la prevalencia, causas y evolución clínica de las pacientes con reintervención quirúrgica por complicaciones durante la cesárea. Material y métodos: Se revisó el archivo de la Unidad de Toco-Quirúrgica del Hospital Ginecobstetricia No. 3 del Centro Médico Nacional “La Raza” Instituto Mexicano del Seguro Social para conocer el total de pacientes sometidas a cesárea desde enero hasta diciembre de 2019 y se seleccionaron los casos con reintervención por complicaciones durante la cesárea. Se estudiaron sus datos generales, la causa de reintervención, estancia en la Unidad de Cuidados Intensivos (UCI), estancia en hospital y la mortalidad. Los datos se analizaron con estadística descriptiva utilizando el programa estadístico SPSS versión 20. Resultados: Se encontró que 3371 pacientes fueron sometidas a cesárea de las cuales 1.60% (54 casos) se reintervinieron por las siguientes causas: desempaquetamiento 27.79%, hemorragia obstétrica 20.37%, sangrado por atonía uterina 20.37%, hematoma de la comisura de histerotomía 18.52%, infiltración uterina 3.70%, lesión vascular 3.70%, lesión vesical 3.70% y lesión colónica 1.85%. La estancia en UCI fue 3.79 ± 2.03 días, estancia en hospital 13.67 ± 11.16 días y mortalidad 1.85%. Conclusión: La prevalencia de reintervención fue reducida, el sangrado fue la principal causa y la evolución clínica resultó satisfactoria con baja mortalidad.

Abstract Objective: The objective of the study is to identify the prevalence, causes, and clinical evolution of patients with surgical reintervention due to complications during cesarean section. Materials and methods: The file of the Toco-Surgical Unit of the Gynecological Obstetrics Hospital No. 3 of the National Medical Center “La Raza” Mexican Institute of Social Security was reviewed to know the total number of patients undergoing cesarean section from January to December 2019 and cases with reintervention due to complications during cesarean section were selected. Their general data, the cause of reintervention, stay in the intensive care unit (ICU), hospital stay, and mortality were studied. The data were analyzed with descriptive statistics using the statistical program SPSS version 20. Results: It was found that 3371 patients underwent cesarean section, of which 1.60% (54 cases) underwent reoperation for the following reasons: Unpacking 27.79%, obstetric hemorrhage 20.37%, bleeding due to uterine atony 20.37%, hysterotomy commissure hematoma 18.52%, uterine infiltration 3.70%, vascular injury 3.70%, bladder injury 3.70%, and colonic injury 1.85%. The ICU stay was 3.79 ± 2.03 days, hospital stay was 13.67 ± 11.16 days, and mortality was 1.85%. Conclusion: The prevalence of reintervention was reduced, bleeding was the main cause, and the clinical evolution was satisfactory with low mortality.

https://doi.org/10.24875/ciru.22000261

Epidemiología de los factores ambientales relacionados con la vía β-catenina y su impacto en el desarrollo y progresión del cáncer colorrectal
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Caballero-Avendaño, Arturo

; Ramírez-García, Sergio A.

; Gutiérrez-Angulo, Melva

; Cabrera-Pivaral, Carlos E.

; Dávalos-Rodríguez, Nory O.

; Rincón-Sánchez, Ana R.

Gaceta médica de México

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Jun 2023, Volume 159 Nº 3 Páginas 245 - 252

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen El cáncer colorrectal (CCR) es una enfermedad compleja determinada por factores de riesgo genéticos, ambientales y de estilo de vida. Los factores genéticos (hereditarios) tienen gran influencia en su desarrollo, sin embargo, la mayoría de los casos de CCR son esporádicos y se desarrollan gradualmente a lo largo de varios años. Los principales factores ambientales de riesgo están asociados a la vía de señalización de β-catenina, entre ellos obesidad, falta de actividad física, consumo de carnes rojas y procesadas, alcoholismo y tabaquismo. La vía está relacionada con la regulación de la homeostasis celular, autorrenovación celular durante la embriogénesis y edad adulta. La principal recomendación para evitar el desarrollo del CCR es reducir los factores de riesgo, aumentar el consumo de frutas, verduras y granos, hacer ejercicio de manera rutinaria y limitar el consumo tanto de alcohol como de tabaco. Dado que los antecedentes familiares y la presencia de un síndrome hereditario aumentan el riesgo, se sugiere hacer exámenes periódicos para detectar CCR y emplear predictores del desarrollo como los marcadores bioquímicos y moleculares, los cuales se presentan en este trabajo.

Abstract Colorectal cancer (CRC) is a complex disease, determined by genetic, environmental and lifestyle-associated risk factors. Genetic (inherited) factors have great influence on its development; however, most cases of CRC are sporadic and gradually develop over several years. The main environmental risk factors are associated with β-catenin signaling pathway, including obesity, lack of physical activity, consumption of red and processed meats, alcoholism, and smoking. The pathway is related to cell homeostasis regulation and cell self-renewal during embryogenesis and adulthood. The main recommendation for preventing the development of CRC is to reduce the risk factors, increase the consumption of fruits, vegetables and grains, exercise regularly and limit the consumption of both alcohol and tobacco. However, family history and the presence of a hereditary syndrome increase the risk, which is why carrying out periodic examinations to detect CRC is suggested, using development predictors such as biochemical and molecular markers, which are discussed in this work.

https://doi.org/10.24875/gmm.23000077

Panorama de la ectasia coronaria en el Instituto Nacional de Cardiología Ignacio Chávez: un estudio transversal
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Vieyra-Herrera, Gerardo

; García-Navarrete, María G.

; Dámazo-Escobedo, Cristian A.

; González-Pacheco, Héctor

; Rodríguez-Chavez, Laura L.

; Silva-Ruz, Carlos

Archivos de cardiología de México

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Jun 2023, Volume 93 Nº 2 Páginas 197 - 202

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Introducción: La ectasia coronaria (EC) es una remodelación patológica con una prevalencia mundial baja. Se define como una dilatación difusa mayor a 1.5 veces el diámetro de los segmentos adyacentes de esta o diferentes arterias coronarias. Objetivo: Documentar las características clínicas y angiográficas, y el tratamiento médico que reciben los pacientes con diagnóstico de EC en el Instituto Nacional de Cardiología (INC). Métodos: Estudio de tipo transversal con diseño no experimental descriptivo, con un muestreo por conveniencia no probabilístico. Resultados: De 69 pacientes que asistieron al INC con diagnóstico de EC la mayor parte eran hombres, con una media de edad de 56 ± 11 años, el factor de riesgo coronario más común en los pacientes con EC fue el tabaquismo, en 40 (58%); se asoció un infarto agudo de miocardio con elevación del segmento ST (IAMCEST) en 45 (65.2%), de localización frecuente en la cara inferior 18 (40%), relacionado con la arteria más afectada, la coronaria derecha 48 (69.6%), seguida de la circunfleja 39 (56.5%). Destaca el uso preferente de la terapia antiplaquetaria dual con anticoagulante (APD+ACO) en 40 (58%) al egreso de cada paciente del INC. Conclusión: La EC es una remodelación patológica no infrecuente en el INC. En este estudio se evidenció que el SCA-IAMCEST es la manifestación más típica de la EC, la coronariografía diagnóstica identificó un Markis tipo 3, por lo que se esperaría una tasa baja de mortalidad y recurrencia de eventos cardiovasculares y a pesar de no existir un consenso sobre la terapia ideal, en el INC se prefiere el tratamiento individualizado, recomendando modificación en el estilo de vida y empleando como tratamiento médico el uso de la triple terapia (APD+ACO) solo al momento de egreso del paciente.

Abstract Introduction: Coronary Ectasia (CE) is a pathological remodeling with a low worldwide prevalence. It is defined as a diffuse dilatation greater than 1.5 times the diameter of the adjacent segments of the same or different coronary arteries. Objective: To document the clinical and angiographic characteristics, and medical treatment at the discharge of patients diagnosed with coronary ectasia who attended the National Institute of Cardiology (INC). Methods: Cross-sectional study with a non-experimental descriptive design, with a non-probabilistic convenience sampling. Results: Of 69 patients who attended the INC with a diagnosis of CD, most were men, with a mean age of 56 + 11 years, the most common coronary risk factor in patients with CE was smoking 58% (40); it was associated mostly with an acute myocardial infarction ST-segment elevation (STEMI) 65.2% (45), of frequent location in the lower face 40% (18), correlated with the most affected artery is the Right Coronary Artery (CD) 69.6% (48), followed by the circumflex (Cx) 56.5% (39). A mean LVEF of 47 + 9.72 was evident within the ventricular function. As well as the preferential use of dual antiplatelet therapy with anticoagulant (DAP + OAC) in 58% (40) at the discharge of each patient from the INC. Conclusion: CE is a not uncommon pathological remodeling in INC. This study showed that STEMI is the most typical manifestation of CE, diagnostic coronary angiography identified a type 3 Markis, so a low rate of mortality and recurrence of cardiovascular events would be expected, and despite the lack of consensus on the ideal therapy, at the INC individualized treatment is preferred, recommending lifestyle changes, and using triple therapy (DAP + OAC) as a medical treatment only at the time of patient discharge.

https://doi.org/10.24875/acm.21000380

Propriedade dos meios de produção em Cuba: Origens e atualidade do debate econômico
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Rodríguez, Raime R.

; Alves, Milena L.

; Ramos, Carlos A.

América Latina en la historia económica

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Abr 2023, Volume 30 Nº 1 elocation e1304

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo O debate sobre a propriedade dos meios de produção em Cuba teve dois grandes momentos: na década de 1960 com o triunfo revolucionário e no início do século XXI com as medidas para combater a crise produtiva. O objetivo deste trabalho é analisar ambos os debates, suas consequências na estrutura de propriedade cubana e compreender as mudanças de interpretação dos desafios da ilha e as variações na dinâmica de reflexão do próprio debate. Foram encontradas evidências de que nos primeiros anos do processo de transição socialista o esforço e as preocupações do debate giravam ao redor da possibilidade e viabilidade do socialismo em Cuba enquanto o debate que surgiu com a crise da década de 1990 e inícios dos 2000 exibe preocupações e interpretações marcadamente pragmáticas e instrumentalistas da propriedade.

Abstract The debate over the ownership of the means of production in Cuba had two great moments: in the 1960s with the revolutionary triumph and in the beginning of the 21st century with measures to combat the crisis. The objective of this work is to analyze both debates, their consequences on the Cuban property structure and to understand the changes in the interpretation of the island’s challenges and the variations in the dynamics of reflection of the debate itself. Evidences were found that in the early years of the socialist transition process, the effort and concerns of the debate revolved around the possibility and viability of socialism in Cuba, while the debate that emerged with the crisis of the 90s and early 2000s shows concerns and interpretations. markedly pragmatic and instrumentalist property.

https://doi.org/10.18232/20073496.1304

Técnica de la incisión y cierre de piel en “punto de mira” para la reversión de estoma. Experiencia en el Centro Médico Nacional “La Raza”, México
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Córdova Velázquez, Carlos A.

; González Méndez, Omar

; Rodríguez Espino, Enrique J.

; Martín Bufajer, Juan M.

Revista argentina de cirugía

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Abr 2023, Volume 115 Nº 2 Páginas 147 - 154

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

RESUMEN Antecedentes: la cirugía de restitución del tránsito intestinal presenta complicaciones posoperatorias tales como infección de sitio quirúrgico, asociado a percepción de pobre resultado cosmético por parte de los pacientes. Objetivo: describir la técnica quirúrgica de incisión y cierre de piel en “punto de mira” para la reversión de estoma y los resultados posoperatorios. Material y métodos: entre noviembre de 2020 y mayo de 2021 se realizó esta técnica a 15 pacientes con estatus de colostomía e ileostomía. Se analizaron los resultados transoperatorios y posoperatorios. Resultados: edad promedio: 38±2,5 años, índice de masa corporal: 28±1,5 kg/m2, tiempo de estadía hospitalaria: 4±2 días. La técnica presentó buena exposición de tejidos y ningún paciente presentó infección de sitio quirúrgico. A los 30 días del alta, el 100% de los pacientes expresaron alta satisfacción por el resultado estético evidenciado mediante la escala Likert 3. Conclusión: la utilización de este procedimiento ofrece ventajas técnicas, y alta satisfacción de los pacientes.

ABSTRACT Background: Stoma reversal has postoperative complications such as surgical site infection associated with patients’ perception of a poor cosmetic outcome. Objective: The aim of this study is to describe the gunsight skin incision and closure technique for stoma reversal and the postoperative results. Material and methods: Between November 2020 and May 2021, this technique was performed on 15 patients with colostomy and ileostomy. The intraoperative and postoperative results were analyzed. Results: Mean age was 38 ± 2.5 years, body mass index was 28±1.5 kg/m2, and length of hospital stay was 4 ± 2 days. The technique provided good tissue exposure and no patients presented surgical site infection. Thirty days after discharge 100% of patients reported high satisfaction with the cosmetic result as evidenced by the 3-point Likert scale. Conclusion: This procedure offers technical advantages and high patient satisfaction.

https://doi.org/10.25132/raac.v115.n2.1644

10.

A local height-diameter model with mixed-effects for Abies religiosa in Tlaxcala, Mexico
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Guerra-De la Cruz, Vidal

; Hernández-Ramos, Jonathan

; Buendía-Rodríguez, Enrique

; Tamarit-Urias, Juan Carlos

; Islas-Gutiérrez, Fabián

Bosque (Valdivia)

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Abr 2023, Volume 44 Nº 1 Páginas 137 - 147

Resumo: En Es | Texto: En Es | PDF: En | PDF: Es

ABSTRACT Height-diameter models are fundamental for the inventory of timber, biomass and carbon. Located in the central region of Mexico, Abies religiosa is a conifer with high timber value that lacks models to estimate its height as a function of diameter. The objective of this study was to determine a local height-diameter model for A. religiosa trees under a mixed-effects model approach in the region of Tlaxco, Tlaxcala, Mexico. The first step consisted in evaluating the quality of fit of three growth models and one power model. We used height-diameter data of 1,539 trees measured in 197 circular plots of 1,000 m2. The selected model was the Weibull, which was adjusted in a second step under the mixed-effects modelling approach. Our results showed that the most accurate predictive capacity was obtained when using the sub-basin covariate as a clustering factor and the random effect in the parameter corresponding to the asymptote. Under this approach, the goodness of fit of the model was superior to the traditional one adjusted by nonlinear least square. Comparatively the gains in fit statistics R2, RSME and AIC were of 12.19 %, 47.99 % and 8.46 %, respectively. The proposed model is robust, reliable, and biologically coherent for its operational application in the forest management of A. religiosa in the study region.

RESUMEN Los modelos de altura - diámetro son una pieza fundamental para realizar inventarios maderables, de biomasa y carbono. En la región central de México, Abies religiosa es una conífera de gran importancia comercial maderable la cual carece de modelos que estimen la altura en función del diámetro. El objetivo de este estudio fue determinar un modelo local altura-diámetro para árboles de A. religiosa bajo el enfoque de modelos con efectos mixtos en la región de Tlaxco, Tlaxcala, México. En la primera fase se evaluó la calidad de ajuste de tres modelos de crecimiento y un modelo potencial. Se utilizaron 1.539 pares de datos de altura-diámetro de árboles medidos en 197 sitios circulares de muestreo de 1.000 m2. El mejor modelo fue el de Weibull, mismo que en una segunda fase se ajustó mediante la técnica de modelos de efectos mixtos; en este caso, la mejor capacidad predictiva se obtuvo cuando se utilizó la covariable subcuenca como factor de agrupación y se incluyó un efecto aleatorio en el parámetro correspondiente a la asíntota. Bajo este enfoque el ajuste fue superior al ajuste tradicional por cuadrados mínimos no lineales. Comparativamente las ganancias en los estadísticos de ajuste R2, RCME y AIC fueron de 12,19 %, 47,99 % y 8,46 %, respectivamente. El modelo propuesto es robusto, confiable y biológicamente coherente para su aplicación operativa en la gestión forestal de las diferentes condiciones en que A. religiosa se desarrolla en la región de estudio.

https://doi.org/10.4067/s0717-92002023000100137

11.

Guía de práctica clínica para el manejo del cáncer de pulmón de células pequeñas: enfermedad limitada
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Cabrera-Miranda, Luis A.

; Lozano-Ruiz, Francisco J.

; Blake-Cerda, Mónika

; Corona-Cruz, José F.

; Sánchez-Reyes, Roberto

; Pérez-Álvarez, Sandra I.

; Díaz-García, Diego A.

; Álvarez-Bojórquez, Mario E.

; Rivera-Márquez, Raúl

; López-Saucedo, Raúl A.

; Bolaño-Guerra, Laura M.

; Maldonado-Magos, Federico

; Aldaco-Sarvide, Fernando

; Alvarado-Zermeño, Adriana

; Barajas-Figueroa, Luis J.

; Bautista-Aragón, Yolanda

; Bolaños-Morales, Francina V.

; Castillo-Ortega, Graciano

; Félix-Leyva, Jesús A.

; Gerson-Cwilich, Raquel

; Guzmán-de Alba, Enrique

; López-Galindo, Ángel A.

; Mariscal-Ramírez, Carlos

; Piñeiro-Retif, Rafael

; Ramos-Prudencio, Rubí

; Rodríguez-Cid, Jerónimo

; Silva-Bravo, Fernando

; Arrieta, Óscar

Gaceta mexicana de oncología

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Mar 2023, Volume 22 Nº 1 Páginas 3 - 23

Resumo: Es En | Texto: Es En | PDF: Es | PDF: En

Resumen Antecedentes: El cáncer de células pequeñas (CPCP) representa el 13-15% del total de neoplasias primarias de pulmón. Se caracteriza por su rapidez en la tasa de crecimiento y en el desarrollo de metástasis a distancia. Objetivos: Orientar y estandarizar el tratamiento del CPCP, enfermedad limitada, en México, basado en evidencia clínica nacional e internacional. Material y métodos: Este documento se desarrolló como una colaboración entre el Instituto Nacional de Cancerología y la Sociedad Mexicana de Oncología en cumplimiento con estándares internacionales. Se integró un grupo conformado por oncólogos médicos, cirujanos oncólogos, cirujanos de tórax, radio-oncólogos y metodólogos con experiencia en revisiones sistemáticas de la literatura y guías de práctica clínica. Resultados: Se consensuaron, por el método Delphi y en reuniones a distancia, las recomendaciones en CPCP enfermedad limitada, producto de las preguntas de trabajo. Se identificó y evaluó críticamente la evidencia científica que responde a cada una de dichas preguntas clínicas, antes de incorporarla a la guía. Conclusión: Esta guía proporciona recomendaciones clínicas para el manejo de la enfermedad limitada del CPCP y durante el proceso de toma de decisiones de los clínicos involucrados con su manejo en nuestro país para mejorar la calidad de la atención clínica en estos pacientes.

Abstract Background: Small cell lung cancer (SCLC) represents 13-15% of all primary lung neoplasms and is characterized by rapid growth rate and development of distant metastases. Objectives: To guide and standardize the treatment of limited disease small cell lung cancer in Mexico based on national and international clinical evidence. Material and methods: This document was developed as a collaboration between the National Cancer Institute and the Mexican Society of Oncology in compliance with international standards. An interdisciplinary group was formed, including medical oncologists, oncological surgeons, thoracic surgeons, radiation oncologists, and methodologists with experience in systematic reviews of the literature and clinical practice guidelines. Results: Consensus recommendations were reached, both by the Delphi method and in remote meetings, for limited SCLC disease resulting from the same number of work questions. The scientific evidence that answers each of these clinical questions was identified and critically evaluated, before being incorporated into the body of evidence of the guide. Conclusion: This guide provides clinical recommendations for the management of limited disease SCLC to contribute to the decision-making process of the clinicians involved with its management in our country, hoping that this will contribute to improving the quality of clinical care in these patients.

https://doi.org/10.24875/j.gamo.22000121

12.

Collaboration for success: the Global Initiative for Childhood Cancer in Latin America
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Vásquez, Liliana

; Fuentes-Alabi, Soad

; Benitez-Majano, Sara

; Ribeiro, Karina Braga

; Abraham, Monnie

; Agulnik, Asya

; Baker, Justin N.

; Blanco, Daniel Bastardo

; Caniza, Miguela A.

; Cardenas-Aguirre, Adolfo

; Salaverria, Carmen

; Sullivan, Courtney E.

; Damasco-Avila, Erika

; García-Quintero, Ximena

; Loggetto, Patricia

; McNeil, Michael J.

; Luna-Fineman, Sandra

; Rossell, Nuria

; Garcia de Lima, Regina Aparecida

; de Mendonca, Regina Holanda

; Trigoso, Viviana

; Segovia, Lorena

; Vasquez, Roberto

; Moreno, Florencia

; Friedrich, Paola

; Luciani, Silvana

; Lam, Catherine

; Metzger, Monika L.

; Rodríguez-Galindo, Carlos

; Maza, Mauricio

Revista Panamericana de Salud Pública

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2023, Volume 47 elocation e144

Resumo: Pt Es En | Texto: Pt Es En | PDF: Pt | PDF: Es | PDF: En

RESUMO A Iniciativa Global para o Câncer Infantil tem como objetivo aumentar a taxa de cura de crianças com câncer no mundo todo, melhorando o acesso a cuidados e a qualidade da assistência médica. A Organização Pan-Americana da Saúde (OPAS), o St. Jude Children's Research Hospital (St. Jude) e colaboradores uniram esforços para melhorar o desfecho de crianças com câncer na América Latina e no Caribe (ALC) no âmbito do marco CureAll. Neste artigo, descrevemos o processo de desenvolvimento de recursos regionais com o objetivo de acelerar a implementação da Iniciativa na ALC. Em março de 2021, a OPAS formou grupos de trabalho regionais para desenvolver projetos centrais alinhados com os pilares e facilitadores do CureAll. A partir das reuniões de diálogo regionais, foram criados sete grupos de trabalho: detecção precoce, enfermagem, atenção psicossocial, nutrição, cuidados de suporte, abandono do tratamento e cuidados paliativos. A OPAS organizou reuniões virtuais regulares sob a orientação e o apoio dos programas regionais e transversais do St. Jude e de mentores internacionais. Entre abril e dezembro de 2021, 202 especialistas multidisciplinares participaram de 43 reuniões virtuais para promover o diálogo entre as partes interessadas a fim de melhorar os desfechos do câncer infantil. Foram produzidos 14 materiais técnicos: quatro panoramas regionais, quatro documentos técnicos, dois cursos virtuais, um conjunto de perfis epidemiológicos nacionais, uma série de conteúdo educacional para pais e cuidadores e duas campanhas de comunicação. O diálogo e o compromisso contínuos da OPAS, do St. Jude, dos comitês de trabalho da ALC e dos colaboradores internacionais são bases essenciais para acelerar com sucesso a implementação da Iniciativa Global para o Câncer Infantil. Isso é possível por meio do desenvolvimento de materiais de relevância regional e mundial. São necessárias mais pesquisas e avaliações para determinar o impacto dessas estratégias e recursos nos resultados do câncer infantil na ALC e em outras regiões.

RESUMEN La Iniciativa Mundial contra el Cáncer Infantil tiene como objetivo aumentar a nivel mundial la tasa de curación del cáncer infantil mediante la mejora del acceso a la atención de salud y de su calidad. La Organización Panamericana de la Salud (OPS), el St. Jude Children’s Research Hospital y los colaboradores han aunado esfuerzos para mejorar los resultados en la población infantil con cáncer en América Latina y el Caribe valiéndose del marco CureAll. En este artículo describimos el proceso de elaboración de recursos regionales destinados a acelerar la aplicación de la Iniciativa Mundial en América Latina y el Caribe. En marzo del 2021, la OPS formó grupos de trabajo regionales para elaborar proyectos básicos que estuvieran en consonancia con los pilares y los elementos facilitadores del CureAll. De los diálogos regionales surgieron siete grupos de trabajo: detección temprana, enfermería, aspectos psicosociales, nutrición, tratamientos de apoyo, abandono del tratamiento y cuidados paliativos. La OPS organizó con regularidad reuniones virtuales en las que se contó con la tutoría y el apoyo de programas regionales o transversales del St. Jude Children’s Research Hospital y de mentores internacionales. Entre abril y diciembre del 2021 hubo 43 reuniones virtuales a las que asistieron 202 expertos multidisciplinarios, con el objetivo de promover el diálogo entre las partes interesadas para mejorar los resultados en materia de cáncer infantil. Se elaboraron catorce productos técnicos: cuatro panoramas regionales, cuatro documentos técnicos, dos cursos virtuales, un conjunto de perfiles epidemiológicos de países, una serie con contenidos educativos para padres y cuidadores y dos campañas de comunicación. El diálogo y el compromiso constantes de la OPS, el St. Jude Children’s Research Hospital, los comités de trabajo de América Latina y el Caribe y los colaboradores internacionales son las bases fundamentales para conseguir que se acelere la aplicación de la Iniciativa Mundial. Esto se puede lograr mediante la elaboración de materiales que resulten pertinentes a nivel regional y mundial. Son necesarias más investigaciones y evaluaciones para determinar el impacto que tienen estas estrategias y recursos en los resultados que se obtienen en el cáncer infantil en América Latina y el Caribe y en otras subregiones.

ABSTRACT The Global Initiative for Childhood Cancer (GICC) aims to increase the cure rate for children with cancer globally by improving healthcare access and quality. The Pan American Health Organization (PAHO), St. Jude Children’s Research Hospital (St. Jude), and collaborators have joined efforts to improve outcomes of children with cancer in Latin America and the Caribbean (LAC) using the CureAll framework. In this article, we describe the process of developing regional resources aimed at accelerating the GICC implementation in LAC. In March 2021, PAHO formed regional working groups to develop core projects aligned with CureAll pillars and enablers. Seven working groups emerged from regional dialogues: early detection, nursing, psychosocial, nutrition, supportive care, treatment abandonment, and palliative care. PAHO arranged regular online meetings under the mentorship and support of St. Jude regional/transversal programs and international mentors. Between April and December 2021, 202 multidisciplinary experts attended 43 online meetings to promote the dialogue between stakeholders to improve childhood cancer outcomes. Fourteen technical outputs were produced: four regional snapshots, four technical documents, two virtual courses, one set of epidemiological country profiles, one educational content series for parents/caregivers, and two communication campaigns. The ongoing dialogue and commitment of PAHO, St. Jude, LAC working committees, and international collaborators are essential foundations to successfully accelerate GICC implementation. This is achievable through the development of materials of regional and global relevance. Further research and evaluation are needed to determine the impact of these strategies and resources on childhood cancer outcomes in LAC and other regions.

https://doi.org/10.26633/rpsp.2023.144

13.

Pandemic grief in El Salvador: factors that predict dysfunctional grief due to a COVID-19 death among Salvadoran adults
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Lobos-Rivera, Marlon Elías

; Flores-Monterrosa, Angélica Nohemy

; Tejada-Rodríguez, Jennifer Carolina

; Chacón-Andrade, Edgardo René

; Caycho-Rodríguez, Tomás

; Lee, Sherman A.

; Valencia, Pablo D.

; Carbajal-León, Carlos

; Vilca, Lindsey W.

; Reyes-Bossio, Mario

; Gallegos, Miguel

Psicologia: Reflexão e Crítica

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2023, Volume 36 elocation 9

Resumo: En | Texto: En | PDF: En

Abstract Thousands of people have died of COVID-19 in El Salvador. However, little is known about the mental health of those who are mourning the loss of a loved one to COVID-19. Therefore, the objective of this study was to examine the dysfunctional grief associated with COVID-19 death among Salvadoran adults. A sample of 435 Salvadorans ( M = 29 years; SD = 8.75) who lost a family member or loved one to COVID-19 completed a digital survey using the Google Forms platform, during April 2 and 28, 2022. The results revealed that 35.1% reported clinically elevated symptoms of dysfunctional grief and among those mourners, and 25.1% also exhibited clinical levels of coronavirus anxiety. A binary logistic regression revealed that predictor variables such as COVID-19 anxiety ( p = .003), depression ( p = .021), and COVID-19 obsession ( p = .032) were significant ( χ 2 = 84.31; Nagelkerke R 2 = .242) and predict a 24.2% chance of dysfunctional bereavement.

https://doi.org/10.1186/s41155-023-00250-6

14.

Structure, biomass, and secondary production of benthic macroinvertebrates in subtropical Andean rivers
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HANKEL, GUILLERMO EDUARDO

; NIETO, CAROLINA

; ROMERO, FÁTIMA

; GULTEMIRIAN, MARÍA LOURDES

; REYNAGA, MARÍA CELINA

; TABOADA, MARÍA DE LOS Á.

; MARTÍN, PAOLA ALEJANDRA R.

; RODRÍGUEZ, JOSÉ SEBASTIÁN

; MANZO, VERÓNICA

; MOLINERI, CARLOS

Anais da Academia Brasileira de Ciências

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2023, Volume 95 Nº 1 elocation e20220095

Resumo: En | Texto: En | PDF: En

Abstract Secondary production is the formation of heterotrophic biomass across time, which integrates several important ecological processes that affect the life of organisms, populations, communities and ecosystems, but its study has poor developed in South America. The objectives of this work were to describe the diversity of benthic macroinvertebrate assemblages in terms of abundance and biomass, and to quantify their secondary production for the first time in Andean rivers. A quantitative sampling scheme was implemented, using a Surber sampler, in three forested streams. Physical-chemical variables, nutrients, organic matter and chlorophyll were measured also. The macroinvertebrates were separated and identified mostly at the species level. Each taxon was assigned to a functional feeding group. Secondary production was estimated for 38 taxa, mostly Diptera, Trichoptera, Coleoptera, and Ephemeroptera. The annual production varied from 3769 to 13916 mg dry mass m-2 y-1. Most abundant taxa were also those with higher production, dominated by Ephemeroptera (Baetidae), Trichoptera (Hydropsychidae) and Diptera (Chironomidae and Simuliidae). Density, biomass, and production of collectors and predators were much higher than the other feeding groups. We expect that our results will be useful to evaluate the effects on stream functioning produced by global warming and other anthropogenic disturbances in our region.

https://doi.org/10.1590/0001-3765202320220095

15.

Cross-cultural invariance of the Spanish version of the COVID-19 Assessment Scorecard to measure the perception of government actions against COVID-19 in Latin America
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Caycho-Rodríguez, Tomás

; Valencia, Pablo D.

; Ventura-León, José

; Carbajal-León, Carlos

; Vilca, Lindsey W.

; Reyes-Bossio, Mario

; Delgado-Campusano, Mariel

; Yupanqui-Lorenzo, Daniel E.

; Paredes-Angeles, Rubí

; Rojas-Jara, Claudio

; Gallegos, Miguel

; Cervigni, Mauricio

; Martino, Pablo

; Polanco-Carrasco, Roberto

; Palacios, Diego Alejandro

; Moreta-Herrera, Rodrigo

; Samaniego-Pinho, Antonio

; Rivera, Marlon Elías Lobos

; Figares, Andrés Buschiazzo

; Puerta-Cortés, Diana Ximena

; Corrales-Reyes, Ibraín Enrique

; Calderón, Raymundo

; Gallegos, Walter L. Arias

; Petzold, Olimpia

; Camargo, Andrés

; Torales, Julio

; Blanco, J. Arkangel Monge

; González, Pedronel

; Smith-Castro, Vanessa

; Rivera, Wendy Yamilet Matute

; Ferrufino-Borja, Daniela

; Ceballos-Vásquez, Paula

; Muñoz-del-Carpio-Toia, Agueda

; Palacios, Jorge

; Burgos-Videla, Carmen

; León, Ana María Eduviges Florez

; Vergara, Ibeth

; Vega, Diego

; Barria-Asenjo, Nicol A.

; Schulmeyer, Marion K.

; Rios, Hassell Tatiana Urrutia

; Lira, Arelly Esther Lira

Psicologia: Reflexão e Crítica

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2023, Volume 36 elocation 34

Resumo: En | Texto: En | PDF: En

Abstract Objectives The present study aimed to evaluate the measurement invariance of a general measure of the perception of governmental responses to COVID-|19 (COVID-SCORE-10) in the general population of 13 Latin American countries. Methods A total of 5780 individuals from 13 Latin American and Caribbean countries selected by non-probabilistic snowball sampling participated. A confirmatory factor analysis was performed and the alignment method was used to evaluate invariance. Additionally, a graded response model was used for the assessment of item characteristics. Results The results indicate that there is approximate measurement invariance of the COVID-SCORE-10 among the participating countries. Furthermore, IRT results suggest that the COVID-SCORE-10 measures with good psychometric ability a broad spectrum of the construct assessed, especially around average levels. Comparison of COVID-SCORE-10 scores indicated that participants from Cuba, Uruguay and El Salvador had the most positive perceptions of government actions to address the pandemic. Thus, the underlying construct of perception of government actions was equivalent in all countries. Conclusion The results show the importance of initially establishing the fundamental measurement properties and MI before inferring the cross-cultural universality of the construct to be measured.

https://doi.org/10.1186/s41155-023-00277-9

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