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ABSTRACT Introduction. The behavior of COVID-19 is influenced by diverse social differentials that transcend demographic variables and include morbidity, the conditions of their homes, family dynamics, job performance, gender roles and stereotypes, care tasks, habits, and behaviors of life and consumption, among others. Methods. Statistical and demographic analysis and tools of metric studies of the information were used. Results and Discussion. The research showed the importance of incorporating into the analysis of the behavior of COVID-19 in Cuba the influence of social and epidemiological differentials determined by skin color, marital status, employment status, income levels, types of families, mobility, hygienic environmental conditions, access to health services, among others, which can place populations in greater or lesser conditions of vulnerability. Conclusions: The composition and dynamics of the population together with other social differentials are determinants of the behavior and expression of the pandemic. The crossing of epidemiological factors with the analysis of containment measures and the composition and structure of the affected population allows for the design of health policies that are more adjusted to the needs of the pandemic. Distance psychological counseling makes it possible to identify and deal with situations related to confinement and changes in life routines that affect the mental health of different groups of people.

RESUMEN Introducción. El comportamiento de la COVID-19 está influenciado por diferenciales sociales que trascienden las variables demográficas e incluyen la morbilidad, las condiciones de sus viviendas, las dinámicas familiares, el desempeño laboral, los roles y estereotipos de género, las tareas de cuidado, los hábitos y comportamientos de vida y consumo, entre otros. Métodos. Se empleó el análisis estadístico y demográfico y herramientas de los estudios métricos. Resultados y Discusión. La investigación mostró la importancia de incorporar a los análisis del comportamiento de la COVID-19 en Cuba la influencia de diferenciales sociales y epidemiológicos determinados por el color de la piel, el estado conyugal, la situación laboral, los niveles de ingreso, los tipos de familias, la movilidad, las condiciones higiénico ambientales, el acceso a los servicios de salud, entre otros, que pueden ubicar a las poblaciones en mayores o menores condiciones de vulnerabilidad. Conclusiones, la composición y la dinámica de la población junto a otros diferenciales sociales son determinantes del comportamiento de la pandemia. El cruzamiento de los factores epidemiológicos con el análisis de las medidas de contención y la composición y estructura de población afectada permite diseñar políticas sanitarias más ajustadas a las necesidades de la pandemia. La orientación psicológica a distancia permite identificar y atender situaciones vinculadas al confinamiento y los cambios en las rutinas de vida que afectan la salud mental de diferentes grupos de personas.

Contextual influence on poor self-rated health in patients with Chagas disease: multilevel study
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Ferreira, Ariela Mota

; Sabino, Ester Cerdeira

; Silva, Léa Campos de Oliveira-da

; Oliveira, Cláudia Di Lorenzo

; Cardoso, Clareci Silva

; Ribeiro, Antonio Luiz Pinho

; Damasceno, Renata Fiúza

; Leite, Sâmara Fernandes

; Vieira, Thallyta Maria

; Nunes, Maria do Carmo Pereira

; Haikal, Desirée Sant’ Ana

Ciência & Saúde Coletiva

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2022, Volume 27 Nº 7 Páginas 2827 - 2842

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

Resumo A Doença de Chagas (DC) é reconhecida pela Organização Mundial da Saúde como uma das treze doenças tropicais mais negligenciadas do mundo. A autopercepção de saúde é considerada um melhor preditor de mortalidade do que medidas objetivas do estado de saúde, e o contexto em que se vive influencia esse preditor. O objetivo deste estudo foi avaliar a prevalência e os fatores individuais e contextuais associados à pior autopercepção em saúde de pacientes com DC de uma região endêmica do Brasil. É um estudo transversal multinível. Os dados individuais vêm de um corte transversal de um estudo de coorte denominado SaMi-Trop. Os dados contextuais foram coletados a partir de plataformas e sistemas de informações institucionais acessíveis ao público. A variável dependente foi a autopercepção de saúde. A análise foi realizada por meio de regressão logística binária multinível. Participaram do estudo 1.513 pacientes com DC, sendo 335 (22,1%) com pior autopercepção de saúde. Este estudo revelou a influência da organização/oferta do serviço público de saúde brasileiro e de características individuais na autopercepção de saúde de pacientes com DC.

Abstract Chagas disease (CD) is recognized by the World Health Organization as one of the thirteen most neglected tropical diseases in the world. Self-perceived health is considered a better predictor of mortality than objective measures of health status, and the context in which one lives influences this predictor. This study aimed to evaluate the prevalence and individual and contextual factors associated with poor self-rated health among CD patients from an endemic region in Brazil. It is a multilevel cross-sectional study. The individual data come from a cross-section of a cohort study named SaMi-Trop. Contextual data was collected from publicly accessible institutional information systems and platforms. The dependent variable was self-perceived health. The analysis was performed using multilevel binary logistic regression. The study included 1,513 patients with CD, where 335 (22.1%) had Poor self-rated health. This study revealed the influence of the organization/offer of the Brazilian public health service and of individual characteristics on the self-perceived health of patients with CD.

https://doi.org/10.1590/1413-81232022277.01682022

Contextual influence on poor self-rated health in patients with Chagas disease: multilevel study
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Ferreira, Ariela Mota

; Sabino, Ester Cerdeira

; Silva, Léa Campos de Oliveira-da

; Oliveira, Cláudia Di Lorenzo

; Cardoso, Clareci Silva

; Ribeiro, Antonio Luiz Pinho

; Damasceno, Renata Fiúza

; Leite, Sâmara Fernandes

; Vieira, Thallyta Maria

; Nunes, Maria do Carmo Pereira

; Haikal, Desirée Sant’ Ana

Ciência & Saúde Coletiva

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2022, Volume 27 Nº 7 Páginas 2827 - 2842

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

https://doi.org/10.1590/1413-81232022277.01682022

Galectina-3 Associada a Formas Graves e Mortalidade em Longo Prazo em Pacientes com Doença de Chagas
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Fernandes, Fábio

; Moreira, Carlos Henrique Valente

; Oliveira, Lea Campos

; Souza-Basqueira, Marcela

; Ianni, Barbara Maria

; Lorenzo, Claudia di

; Ramires, Felix José Alvarez

; Nastari, Luciano

; Cunha-Neto, Edecio

; Ribeiro, Antonio L.

; Lopes, Renato Delascio

; Keating, Sheila M.

; Sabino, Ester Cerdeira

; Mady, Charles

Arquivos Brasileiros de Cardiologia

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Fev 2021, Volume 116 Nº 2 Páginas 248 - 256

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

Resumo Fundamento As características histopatológicas da doença de Chagas (DCC) são: presença de miocardite, destruição das fibras cardíacas e fibrose miocárdica. A Galectina-3 (Gal-3) é um biomarcador envolvido no mecanismo de fibrose e inflamação que pode ser útil para a estratificação de indivíduos com DCC por risco. Objetivos Nosso objetivo foi avaliar se níveis elevados de Gal-3 estão associados a formas graves de cardiomiopatia chagásica (CC) e são preditivos de mortalidade. Métodos Estudamos doadores de sangue (DS) positivos para anti-T. cruzi: não-CC-DS (187 DS sem CC com eletrocardiograma [ECG] e fração de ejeção do ventrículo esquerdo [FEVE] normais); CC-Não-Dis-DS (46 DS com CC e apresentando ECG anormal, mas FEVE normal); e 153 controles negativos correspondentes. Esta amostra foi composta por 97 pacientes com CC grave (CC-Dis). Usamos as correlações de Kruskall-Wallis e Spearman para testar a hipótese de associações, assumindo um p bicaudal <0,05 como significativo. Resultados O nível de Gal-3 foi de 12,3 ng/mL para não-CC-DS, 12,0 ng/mL para CC-Não-Dis-DS, 13,8 ng/mL para controles e 15,4 ng/mL para CC-Dis. FEVE <50 foi associada a níveis mais elevados de Gal-3 (p=0,0001). Em nosso modelo de regressão linear ajustado, encontramos associação entre os níveis de Gal-3 e os parâmetros do ecocardiograma em indivíduos positivos para T. cruzi. Nos pacientes CC-Dis, encontramos uma associação significativa de níveis mais elevados de Gal-3 (≥15,3 ng/mL) e morte ou transplante cardíaco em acompanhamento de cinco anos (Hazard ratio – HR 3,11; IC95% 1,21– 8,04; p=0,019). Conclusões Em pacientes com CC, níveis mais elevados de Gal-3 estiveram significativamente associados a formas graves da doença e maior taxa de mortalidade em longo prazo, o que significa que pode ser um meio efetivo para identificar pacientes de alto risco. (Arq Bras Cardiol. 2021; 116(2):248-256)

Abstract Background The histopathological characteristics of Chagas disease (ChD) are: presence of myocarditis, destruction of heart fibers, and myocardial fibrosis. Galectin-3 (Gal-3) is a biomarker involved in the mechanism of fibrosis and inflammation that may be useful for risk stratification of individuals with ChD. Objectives We sought to evaluate whether high Gal-3 levels are associated with severe forms of Chagas cardiomyopathy (CC) and whether they are predictive of mortality. Methods We studied anti-T. cruzi positive blood donors (BD): Non-CC-BD (187 BD without CC with normal electrocardiogram [ECG] and left ventricular ejection fraction [LVEF]); CC-Non-Dys-BD (46 BD with CC with abnormal ECG but normal LVEF); and 153 matched serum-negative controls. This cohort was composed of 97 patients with severe CC (CC-Dys). We used Kruskall-Wallis and Spearman’s correlation to test hypothesis of associations, assuming a two-tailed p<0.05 as significant. Results The Gal-3 level was 12.3 ng/mL for Non-CC-BD, 12.0 ng/mL for CC-Non-Dys-BD, 13.8 ng/mL for controls, and 15.4 ng/mL for CC-Dys. LVEF<50 was associated with higher Gal-3 levels (p=0.0001). In our linear regression adjusted model, we found association between Gal-3 levels and echocardiogram parameters in T. cruzi-seropositive subjects. In CC-Dys patients, we found a significant association of higher Gal-3 levels (≥15.3 ng/mL) and subsequent death or heart transplantation in a 5-year follow-up (Hazard ratio – HR 3.11; 95%CI 1.21–8.04; p=0.019). Conclusions In ChD patients, higher Gal-3 levels were significantly associated with severe forms of the disease and more long-term mortality, which means it may be a useful means to identify high-risk patients. (Arq Bras Cardiol. 2021; 116(2):248-256)

https://doi.org/10.36660/abc.20190403 575 downloads

Atenção auditiva sustentada em crianças com transtorno de déficit de atenção e hiperatividade: o efeito da medicação
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Michels, Núbia Machado

; Lorenzo, Cláudia Maria de

; Xikota, João Carlos

; Hillesheim, Danúbia

; Donatti, Evandra Castro

; Pinheiro, Maria Madalena Canina

Audiology - Communication Research

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2021, Volume 26 elocation e2383

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

RESUMO Objetivo Comparar a habilidade atencional auditiva em crianças portadoras de transtorno de déficit de atenção e hiperatividade/impulsividade (TDAH) antes e após o uso da medicação psicoestimulante. Métodos Participaram do estudo oito crianças do gênero masculino, com TDAH, entre 8 e 10 anos de idade. Todas faziam uso de medicamentos psicoestimulantes. Para avaliar o comportamento auditivo, foi aplicado o questionário Scale of Auditory Behaviors (SAB) e para identificar possíveis sintomas de desatenção, o Swanson, Nolan e Pelham (SNAP-IV). A habilidade auditiva atencional foi avaliada pelo Teste de Habilidade de Atenção Auditiva Sustentada (THAAS) pré e pós-uso do medicamento psicoestimulante. Neste teste, foram analisados os erros de desatenção, de impulsividade e de decréscimo de vigilância. A análise dos dados foi feita com base nos testes Wilcoxon e Correlação de Spearman. Resultados O questionário SAB mostrou-se alterado na maior parte das crianças, as quais também apresentaram sinais de desatenção e/ou impulsividade no questionário SNAP-IV. No THASS, observou-se diferença nos quesitos desatenção (p=0,017) e pontuação total de erros pré e pós-medicação (p=0,025). Conclusão Houve melhora no desempenho do teste que avaliou a habilidade atencional auditiva após o uso da medicação psicoestimulante, com destaque para o item desatenção.

ABSTRACT Purpose To compare the auditory attention ability in children with Attention Deficit Hyperactivity Disorder (ADHD) before and after the use of psychostimulant medication. Methods Eight male children with ADHD participated in the study, between eight and ten years old. All participants used psychostimulant drugs. To assess auditory behavior, the Scale of Auditory Behaviors (SAB) and SNAP-IV questionnaires were applied to identify possible symptoms of inattention and/or impulsivity. To assess auditory attention ability, the Sustained Auditory Attention Ability Test (SAAAT) was applied before and after the use of the psychostimulant medication. In this test, the errors of inattention, impulsiveness and decreased vigilance were analyzed. For data analysis, the Wilcoxon and Spearman correlation tests were used. Results The SAB questionnaire showed changes in most children, who also showed signs of inattention and/or impulsivity in the SNAP-IV questionnaire. In the SAAAT, a difference was observed in the item inattention (p=0.017) and in total score of errors before and after medication (p=0.025). Conclusion There was an improvement in the test performance assessing the auditory attention ability after the use of psychostimulant medication, with emphasis on the item inattention.

https://doi.org/10.1590/2317-6431-2020-2383 3 downloads

Serological screening for Chagas disease in an endemic region of Northern Minas Gerais, Brazil: the SaMi-Trop project
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Cruz, Dardiane Santos

; Souza, Núbia Nunes de

; Rafael, Aline Ferreira

; Damasceno, Renata Fiuza

; Ribeiro, Antonio Luiz Pinho

; Oliveira, Léa Campos de

; Sabino, Ester Cerdeira

; Ghilardi, Fábio de Rose

; Cruz Neto, Ozorino Caldeira

; Ferreira, Ariela Mota

; Haikal, Desirée Sant’Ana

; Cardoso, Clareci Silva

; Oliveira, Claudia Di Lorenzo

; Bierrenbach, Ana Luiza

; Vieira, Thallyta Maria

Revista do Instituto de Medicina Tropical de São Paulo

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2021, Volume 63 elocation e67

Resumo: En | Texto: En | PDF: En

ABSTRACT Chagas disease (CD) is still a neglected disease. Infected individuals are diagnosed late, being treated in worse clinical conditions. Thus, this study aimed to analyze the prevalence and the factors associated with new confirmed cases of CD identified by serological screening in an endemic region of Minas Gerais State, Brazil. This is an analytical cross-sectional study with data from a project of the Research Center in Tropical Medicine of Sao Paulo- Minas Gerais (SaMi-Trop) conducted in two municipalities. Data collection included a questionnaire with closed questions, a venous blood collection and an ELISA serological test for CD. A total of 2,038 individuals with no previous diagnosis of CD participated in the study. The result of the serological test for CD was adopted as the dependent variable. The independent variables addressed personal issues, health conditions and lifetime housing. A descriptive analysis of individual variables was performed. Subsequently, a bivariate analysis was performed using the Pearson’s chi-square test. Households sheltering individuals positive for CD were georeferenced, and the analysis of spatial distribution was performed using the quartic function to estimate the density of the nucleus. Among the participants, 188 (9.2 %) were positive for CD. The profile of participants with CD was associated with place of residence, age, relative/family member with CD and living conditions. It is noteworthy that there are still patients with CD who are unaware of their diagnosis in both, rural and urban areas.

https://doi.org/10.1590/s1678-9946202163067 113 downloads

Cohort profile update: the main and new findings from the SaMi-Trop Chagas cohort
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Oliveira, Claudia Di Lorenzo

; Cardoso, Clareci Silva

; Baldoni, Nayara Ragi

; Natany, Larissa

; Ferreira, Ariela Mota

; Oliveira, Lea Campos de

; Nunes, Maria do Carmo Pereira

; Quintino, Nayara Dornela

; Bierrenbach, Ana Luiza

; Buss, Lewis F.

; Haikal, Desiree Sant’Ana

; Cunha Neto, Edecio

; Ribeiro, Antonio Luiz Pinho

; Sabino, Ester Cerdeira

Revista do Instituto de Medicina Tropical de São Paulo

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2021, Volume 63 elocation e75

Resumo: En | Texto: En | PDF: En

ABSTRACT The SaMi-Trop project is a cohort study conducted in 21 municipalities of endemic areas of Chagas disease, including 1,959 patients with chronic Chagas cardiomyopathy. In this article we updated the results of the project, adding information from the second cohort visit. Trypanosoma cruzi-seropositive patients were enrolled from the primary care Telehealth service in Minas Gerais State, Brazil. The eligibility criterium for the second visit was the participation in the baseline evaluation. Of 1,959 participants at the baseline assessment, 1,585 (79.9%) returned after two years for the second evaluation. The mortality rate was 6.7%, but varied from 0.9% to 18.2% when it was stratified by certain clinical characteristics. A lower age-adjusted NT-Pro-BNP level (less than 300) and a prior benznidazole treatment were associated with lower mortality. There was an improvement in most quality of life domain scores. Participants have also reported fewer signs and symptoms and greater use of medication. The second follow-up visit will be complete in Oct 2021.

https://doi.org/10.1590/s1678-9946202163075 132 downloads

Complicaciones por infección de Covid-19 en mujeres embarazadas y neonatos en el año 2020
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Islas-Cruz, María Fernanda

; Cerón-Gutiérrez, Daniela

; Templos-Morales, Alfredo

; Ruvalcaba-Ledezma, Jesús Carlos

; Cotarelo-Pérez, Ana Karen

; Reynoso-Vázquez, Josefina

; Solano-Pérez, Claudia Teresa

; Aguirre-Rembao, Lorenzo Octavio

Journal of Negative and No Positive Results

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2021, Volume 6 Nº 6 Páginas 881 - 897

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

Resumen La infección por Covid-19, se ha convertido en una emergencia en salud pública, a casi un año de su aparición ha dejado millones de muertos, el binomio materno-fetal es vulnerable ante este riesgo y la atención a este grupo, es un servicio esencial que requiere de apego a medidas de prevención, y desigualdad económica; el acceso y la capacidad de los servicios de salud son trascendentes en esta pandemia. Objetivo. Describir las complicaciones y sintomatología principal relacionadas con infección por Covid-19 en mujeres embarazadas y neonatos a nivel mundial y número de casos reportados en México. Metodología. Se realizó una revisión sistemática en Cochrane, MEDLINE, PubMed, NCBI, Scielo y Google Scholar. páginas de la OMS, Secretaria de Salud de México, (FEMECOG), 3 libros acerca de Coronavirus, 2020, información para la determinación de la morbimortalidad materno fetal y sintomatología por infección COVID-19 de diciembre, 2019 a julio, 2020; en cuanto a la epidemiología mexicana se revisaron fuentes actualizadas de octubre de 2020. Resultados. Las mujeres embarazadas con infección por Covid-19 tienen alto riesgo de experimentar complicaciones obstétricas y neonatales: aborto espontáneo, parto pretérmino, restricción del crecimiento intrauterino, ingreso a unidad de cuidados intensivos, necesidad de ventilación mecánica y neumonia. En la infección por Covid-19 las características clínicas más comunes fueron fiebre, tos y fatiga. Hasta el 18 de octubre del 2020 se han registrado un total de 6,761 embarazadas y/o puérperas y 1387 recién nacidos positivos confirmados a Covid-19 en México. Conclusión. La comorbilidad en embarazadas es determinante en la evolución, comportamiento y complicaciones de la infección por Covid-19 y las medidas de prevención ineficientes, de continuar así, los resultados serán indudablemente negativos.

Abstract The Covid-19 infection has become a public health emergency, almost a year after its appearance it has left millions of deaths, the maternal-fetal pairing is vulnerable to this risk and care for this group is a service essential that requires adherence to prevention measures, and economic inequality; the access and capacity of health services are transcendent in this pandemic. Objective. Describe the complications and main symptoms related to Covid-19 infection in pregnant women and neonates worldwide and the number of cases reported in Mexico. Methodology. A systematic review was performed in Cochrane, MEDLINE, PubMed, NCBI, Scielo, and Google Scholar. pages of the WHO, Secretary of Health of Mexico, (FEMECOG), 3 books about Coronavirus, 2020, information for the determination of fetal maternal morbidity and mortality and symptoms due to COVID-19 infection from December 19, 2019 to July, 2020 Regarding Mexican epidemiology, updated sources from October 2020 were reviewed. Results. Pregnant women with Covid-19 infection are at high risk of experiencing obstetric and neonatal complications: miscarriage, preterm delivery, intrauterine growth restriction, admission to the intensive care unit, need for mechanical ventilation and pneumonia. In Covid-19 infection, the most common clinical characteristics were fever, cough, and fatigue. Until October 18, 2020, a total of 6,761 pregnant and / or postpartum women and 1,387 positive newborns confirmed to Covid-19 have been registered in Mexico. Conclusion. Comorbidity in pregnant women is a determining factor in the evolution, behavior and complications of Covid-19 infection and inefficient prevention measures, if this continues, the results will undoubtedly be negative.

https://doi.org/10.19230/jonnpr.4131

Abuso de consumo de productos tecnológicos en edades tempranas: problemática no abordada en estudios médicos
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Machado Machado, Yurianely

; Cruz Martín, Omar

; Santiesteban Pineda, Delia María

; Cruz Lorenzo, Claudia

; García Ortiz, Yaritza

; Paz Gonzalez, Sibelys Akela

EDUMECENTRO

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Set 2017, Volume 9 Nº 3 Páginas 155 - 170

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

Background: the child lives in a social environment and its development depends on concrete socio-historical conditions, currently marked by the development of information and communication technologies. Objective: to show the need to include the impact of the abuse of technological products on the development of children at an early age, as a health problem in medical studies. Methods: a descriptive cross-sectional study was carried out at Villa Clara University of Medical Sciences, from January to December, 2015. Theoretical methods were used: analysis-synthesis, inductive-deductive and historical-logical; and empirical ones: surveys, participant observation, documentary analysis and mathematical statistics. Results: affectations were detected in children younger than three years; among them: difficulties in language, restlessness, difficulty to comply with orders, aggressiveness and sleeping disorders. The review of medical education programs does not address this new phenomenon, it is proposed to be included in the undergraduate programs in Medical Psychology I and II, Philosophy and Society II, Health Promotion, Comprehensive General Medicine IV, Pediatrics, Psychiatry And Public Health. In the postgraduate in the specialties of Pediatrics, Psychiatry, Health Psychology and Neurology. Conclusions: the consumption of technological products is frequent from the first months of life, which affects the childhood development, in relation to cognitive and additive aspects. It is necessary the inclusion of this subject in programs of several subjects to promote its introduction in medical studies.

Fundamento: el niño vive en un medio social y su desarrollo depende de condiciones sociohistóricas concretas, marcadas en la actualidad por el avance de las tecnologías de la información y las comunicaciones. Objetivo: mostrar la necesidad de incluir la repercusión del abuso de consumo de productos tecnológicos en el desarrollo de los niños en edad temprana, como problema de salud en los estudios médicos. Métodos: se realizó una investigación descriptiva transversal en la Universidad de Ciencias Médicas de Villa Clara, de enero a diciembre, 2015. Se emplearon métodos teóricos: análisis-síntesis, inductivo-deductivo e históricológico; y empíricos: encuestas, observación participante, análisis documental y matemático estadísticos. Resultados: fueron detectadas afectaciones en niños menores de tres años; entre ellas: dificultades en el lenguaje, intranquilidad, dificultad para cumplir órdenes, agresividad y afectación del sueño. En la revisión de los programas de educación médica no se aborda este nuevo fenómeno, se propone su inclusión en el pregrado en los programas de Psicología Médica I y II, Filosofía y Sociedad II, Promoción de Salud, Medicina General Integral IV, Pediatría, Psiquiatría y Salud Pública. En el posgrado en las especialidades de Pediatría, Psiquiatría, Psicología de la Salud y Neurología. Conclusiones: es frecuente el consumo de productos tecnológicos desde los primeros meses de vida, lo cual repercute en el desarrollo de la niñez, en relación con aspectos de lo cognitivo y lo conativo. Se ofrece la inclusión de esta temática en programas de varias asignaturas para propiciar su introducción en los estudios médicos.

10.

Effect of electromagnetic field on mineral content and chemical group during in vitro establishment and multiplication phases of coffee seedlings
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Isaac-Aleman, Elizabeth

; Hernández-Aguilar, Claudia

; González-Olmedo, Justo Lorenzo

; González-Vega, María Esther

; Fung-Boix, Yilan

; Ferrer-Dubois, Albys Esther

Revista Cubana de Química

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Ago 2016, Volume 28 Nº 2 Páginas 692 - 702

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

Influence of extremely low frequency electromagnetic fields on minerals content and chemical groups during in vitro establishment and multiplication phases of coffee seedlings was investigated. Untreated coffee plants were considered as control whereas treated plants were exposed to a 60 Hz sinusoidal magnetic field of 2 mT of magnetic induction, during 3 minutes. The results revealed that treated plants, regard to their control shown a significant increase on calcium (55 %), aluminium (73 %) and manganese (43,2 %) levels in establishment phase. The appearance of four sensitive picks was obtained in the embryos tried regards to control embryos. The presence of carbon-carbon double bound, nitrit ion and aldehydes was noted. In multiplication phase increase on calcium (17,9 %), iron (29,2 %), magnesium (5,7 %) and zinc (26 %) levels was regards in treated plants respect control. In conclusion, the findings suggest that the application of 60 Hz magnetic field to in vitro coffee plants may improve the coffee seedlings quality by modifying of ions mobility content ensuring a better quality plants.

Se investigó la influencia de los campos electromagnéticos de frecuencia extremadamente baja en contenido de minerales y grupos químicos durante el establecimiento in vitro y la multiplicación de las fases en las plántulas de café. Plantas de café sin tratar se consideraron como control mientras que las plantas tratadas se exponen a un campo magnético sinusoidal de 60 Hz de 2 mT de inducción magnética, durante tres minutos. Los resultados revelaron que las plantas tratadas, respecto a su control muestran un aumento significativo en el calcio (55 %), de aluminio (73 %) y de manganeso (43,2 %) los niveles en fase de establecimiento. Se obtuvo el aspecto de cuatro selecciones sensibles en los embriones intentado lo que respecta a controlar embriones. Se observó la presencia de un doble enlace carbono-carbono, ion nitrito y aldehídos. En aumento fase de multiplicación en el calcio (17,9 %), hierro (29,2%), magnesio (5,7 %) y zinc (26 %) los niveles se refiere, en las plantas tratadas respetan control. En conclusión, los resultados sugieren que la aplicación de un campo magnético de 60 Hz a plantas de café in vitro puede mejorar la calidad de las plántulas de café mediante la modificación del contenido de iones de movilidad garantizar una mejor calidad de las plantas.

11.

Diagnosis of streptococcal pharyngotonsillitis in children and adolescents: clinical picture limitations
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Barbosa Júnior, Aurelino Rocha

; Oliveira, Cláudia Di Lorenzo

; Fontes, Maria Jussara Fernandes

; Lasmar, Laura Maria de Lima Bezário Facury

; Camargos, Paulo Augusto Moreira

Revista Paulista de Pediatria

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Dez 2014, Volume 32 Nº 4 Páginas 285 - 291

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

OBJETIVO: Avaliar a utilidade do quadro clínico para o diagnóstico da faringoamigdalite estreptocócica na faixa pediátrica.MÉTODOS: 335 indivíduos de 1 a 18 anos com quadro clínico de faringoamigdalite foram submetidos a anamnese, exame clínico, cultura e teste de aglutinação de partículas do látex (TAPL) para o estreptoco β-hemolítico do grupo A (EBHGA) em swab orofaríngeo. Os sinais e sintomas foram comparados ao resultado da cultura e do TAPL e, em seguida, também o foi o agrupamento de sinais e sintomas definido por regressão logística multivariada, utilizado para gerar um escore clínico. Para o diagnóstico definitivo de faringoamigdalite estreptocócica, o padrão de referência foi a cultura e o TAPL, em paralelo.RESULTADOS: 78 indivíduos (23,4%) apresentaram resultados positivos para EBHGA em pelo menos um dos testes. Ausência de coriza (OR=1,80; p=0,04); ausência de conjuntivite (OR=2,44; p=0,029); hiperemia de orofaringe (OR=3,99; p=0,006); exsudato de orofaringe (OR=2,02; p=0,011) e hipertrofia de amígdalas (OR=2,60; p=0,007) apresentaram associação significante com a faringoamigdalite estreptocócica. A pontuação máxima no escore clínico, no qual figuram três características (ausência de coriza, exsudato de orofaringe e hiperemia de orofaringe) correspondeu a uma sensibilidade de 45,6%, uma especificidade de 74,5% e uma likelihood ratio de 1,79 para a presença de faringoamigdalite estreptocócica.CONCLUSÃO: O quadro clínico não deve ser usado isoladamente para confirmar o episódio de faringoamigdalite estreptocócica por apresentar um baixo desempenho diagnóstico. É necessário aumentar a disponibilidade de testes laboratoriais, em especial o TALP, que permite o diagnóstico rápido e acurado deste episódio.

OBJECTIVE: To assess the utility of clinical features for diagnosis of streptococcal pharyngotonsillitis in pediatrics.METHODS: A total of 335 children aged 1-18 years old and presenting clinical manifestations of acute pharyngotonsillitis (APT) were subjected to clinical interviews, physical examinations, and throat swab specimen collection to perform cultures and latex particle agglutination tests (LPATs) for group A streptococcus (GAS) detection. Signs and symptoms of patients were compared to their throat cultures and LPATs results. A clinical score was designed based on the multivariate logistic regression analysis and also was compared to throat cultures and LPATs results. Positive throat cultures and/or LPATs results were used as a reference standard to establish definitive streptococcal APT diagnosis.RESULTS: 78 children (23.4%) showed positivity for GAS in at least one of the two diagnostic tests. Coryza absence (odds ratio [OR]=1.80; p=0.040), conjunctivitis absence (OR=2.47; p=0.029), pharyngeal erythema (OR=3.99; p=0.006), pharyngeal exudate (OR=2.02; p=0.011), and tonsillar swelling (OR=2.60; p=0.007) were significantly associated with streptococcal pharyngotonsilitis. The highest clinical score, characterized by coryza absense, pharyngeal exudate, and pharyngeal erythema had a 45.6% sensitivity, a 74.5% especificity, and a likelihood ratio of 1.79 for streptococcal pharyngotonsilitis.CONCLUSIONS: Clinical presentation should not be used to confirm streptococcal pharyngotonsilitis, because its performance as a diagnostic test is low. Thus, it is necessary to enhance laboratory test availability, especially of LPATs that allow an acurate and fast diagnosis of streptococcal pharyngotonsilitis.

https://doi.org/10.1590/S0103-05822014000400002 9663 downloads

12.

Satisfaction with physical and social surroundings and the habit of smoking cigarettes in the metropolitan area of Belo Horizonte, Brazil
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Souza, Ricardo Alexandre de

; Oliveira, Cláudia Di Lorenzo

; Lima-Costa, Maria Fernanda

; Proietti, Fernando Augusto

Revista Brasileira de Epidemiologia

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Set 2014, Volume 17 Nº 3 Páginas 775 - 786

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

O objetivo do trabalho foi examinar a associação entre a satisfação com o entorno físico e social da vizinhança e o hábito de fumar cigarros. Foram utilizados dados do Inquérito de Saúde dos Adultos da Região Metropolitana de Belo Horizonte. Os participantes do estudo (n = 12.299) foram selecionados por meio de amostra probabilística entre os residentes com 20 anos ou mais de idade. A variável resposta foi o hábito de fumar e a variável explicativa de interesse foi a percepção da vizinhança. Potenciais variáveis de confusão incluíram características demográficas, outros comportamentos em saúde e indicadores de posição socioeconômica. As prevalências de fumantes atuais, ex-fumantes e dos que nunca fumaram foram 20,8; 14,1 e 65,1%, respectivamente; 74,4% e 25,5% dos participantes foram categorizados como mais satisfeitos e menos satisfeitos com a vizinhança, respectivamente. Em comparação aos que jamais fumaram, os ex-fumantes (odds ratio ajustado = 1,40; intervalo de confiança de 95% 1,20 - 1,62) e os fumantes atuais (odds ratio ajustado = 1,17; intervalo de confiança de 95% 1,03 - 1,34) eram menos satisfeitos com a vizinhança em comparação aos que nunca fumaram. Os resultados deste trabalho mostraram que existe associação independente entre o hábito de fumar e pior percepção da vizinhança na região metropolitana de Belo Horizonte, que independe de características individuais, tradicionalmente reportadas como associadas ao hábito de fumar.

The objective of this study was to examine the association between individual satisfaction with social and physical surroundings and the habit of smoking cigarettes. Data from the Health Survey of Adults from the metropolitan area of Belo Horizonte, Minas Gerais, Brazil, were used. Based on a probability sample, participants (n = 12,299) were selected among residents aged 20 years old or more. The response variable was the smoking habit and the explanatory variable of interest was the neighborhood perception. Potential confounding variables included demographic characteristics, health behaviors and other indicators of socioeconomic position. The prevalence of current smokers, former smokers and never smokers were 20.8, 14.1 and 65.1%, respectively; 74.4 and 25.5% of the participants were categorized as being more satisfied and less satisfied with the neighborhood, respectively. Compared to those who never smoked, former smokers (adjusted odds ratio = 1.40, 95% confidence interval 1.20 - 1.62) and current smokers (adjusted odds ratio = 1.17, 95% confidence interval 1.03 - 1.34) were less satisfied with the neighborhood compared to those who never smoked. The results of this study indicate there is an independent association between the smoking habit and a less satisfying neighborhood perception in the metropolitan region of Belo Horizonte, which does not depend on individual characteristics, traditionally reported as being associated with smoking.

https://doi.org/10.1590/1809-4503201400030016 1754 downloads

13.

Satisfaction with physical and social surroundings and the habit of smoking cigarettes in the metropolitan area of Belo Horizonte, Brazil
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Souza, Ricardo Alexandre de

; Oliveira, Cláudia Di Lorenzo

; Lima-Costa, Maria Fernanda

; Proietti, Fernando Augusto

Revista Brasileira de Epidemiologia

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Set 2014, Volume 17 Nº 3 Páginas 775 - 786

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

https://doi.org/10.1590/1809-4503201400030016 816 downloads

14.

Contribution of the Retrovirus Epidemiology Donor Study (REDS) to research on blood transfusion safety in Brazil
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Loureiro, Paula

; Almeida-Neto, Cesar de

; Proietti, Anna Bárbara Carneiro

; Capuani, Ligia

; Gonçalez, Thelma Terezinha

; Oliveira, Claudia Di Lorenzo de

; Leão, Silvana Carneiro

; Lopes, Maria Inês

; Sampaio, Divaldo

; Patavino, Giuseppina Maria

; Ferreira, João Eduardo

; Blatyta, Paula Fraiman

; Lopes, Maria Esther Duarte

; Mendrone-Junior, Alfredo

; Salles, Nanci Alves

; King, Melissa

; Murphy, Edward

; Busch, Michael

; Custer, Brian

; Sabino, Ester Cerdeira

Revista Brasileira de Hematologia e Hemoterapia

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Abr 2014, Volume 36 Nº 2 Páginas 152 - 158

Resumo: En | Texto: En | PDF: En

The Retrovirus Epidemiology Donor Study (REDS) program was established in the United States in 1989 with the purpose of increasing blood transfusion safety in the context of the HIV/AIDS and human T-lymphotropic virus epidemics. REDS and its successor, REDS-II were at first conducted in the US, then expanded in 2006 to include international partnerships with Brazil and China. In 2011, a third wave of REDS renamed the Recipient Epidemiology and Donor Evaluation Study-III (REDS-III) was launched. This seven-year research program focuses on both blood banking and transfusion medicine research in the United States of America, Brazil, China, and South Africa. The main goal of the international programs is to reduce and prevent the transmission of HIV/AIDS and other known and emerging infectious agents through transfusion, and to address research questions aimed at understanding global issues related to the availability of safe blood. This article describes the contribution of REDS-II to transfusion safety in Brazil. Articles published from 2010 to 2013 are summarized, including database analyses to characterize blood donors, deferral rates, and prevalence, incidence and residual risk of the main blood-borne infections. Specific studies were developed to understand donor motivation, the impact of the deferral questions, risk factors and molecular surveillance among HIV-positive donors, and the natural history of Chagas disease. The purpose of this review is to disseminate the acquired knowledge and briefly summarize the findings of the REDS-II studies conducted in Brazil as well as to introduce the scope of the REDS-III program that is now in progress and will continue through 2018.

https://doi.org/10.5581/1516-8484.20140033 2011 downloads

15.

In Memoriam: Dra. Gloria Luz Portales Betancurt (1963-2014)
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Hortelano-Moncada, Yolanda

; Mata-Zayas, Ena E.

; Uribe Arrazábal, María del Carmen

; Cervantes, Fernando A.

; Laundre, John W.

; González Romero, Alberto

; López Portillo Guzmán, Jorge

; Pisanty Baruch, Irene

; Lorenzo, Consuelo

; Rángel, Héctor

; Marín Sánchez, Ariadna I.

; Rosas Echeverría, María Ventura

; Aguilar Miguel, Xóchitl

; Ramos Godínez, María del Pilar

; Ballesteros-Barrera, Claudia

; Espino Chávez, Ma. Teresa

; Pérez Cárdenas, Enrique

; Martínez Meyer, Enrique

; Sánchez-Rojas, Gerardo

; Portales, Jorge A.

; Portales, Ma. Magdalena

; Juárez, Fernando

Therya

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2014, Volume 5 Nº 2 Páginas 679 - 694

Resumo: Es | Texto: Es | PDF: Es

https://doi.org/10.12933/therya-14-220 1722 downloads

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