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EFFECT OF THINNING ON VOLUMES OF BIOMASS AND BARK TANNINS CONTENT OF Mimosa caesalpiniifolia BENTH. TREES BENTH
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Paiva, Leoclécio Luís de

; Azevedo, Tatiane Kelly Barbosa de

; Pimenta, Alexandre Santos

; Canto, Juliana Lorensi do

; Souza, Maila Janaína Coêlho de

; Ucella Filho, João Gilberto Meza

Revista Árvore

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2023, Volume 47 elocation e4728

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

ABSTRACT This research aimed to evaluate the effect of thinning on the wood volumes per hectare on the tannin content in the bark of Mimosa caesalpiniifolia. The planting was subdivided into two plots, one thinned at 12 and 55 months of age (T1), while the other plot was kept intact (T2). The dendrometric variables were measured, and ten trees were felled, five in each plot. Subsequently, wood and bark’s volume, mass, and moisture content were determined. Then, the total solids content (TST), the Stiasny index (I), and the condensed tannin content (TTC) were quantified. Dry wood productivity was statistically different between the two treatments, with values of 26.7 and 22.8 t ha-1 for T1 and T2, respectively. The percentage of dry bark corresponded to 16% of the total biomass for both treatments. The only variable that showed a significant difference was I, with values with and without thinning, 59.83 and 79.31%, respectively. Therefore, it was verified that the way the thinning was used changed the I and how they were conducted, favoring the emission of boles and increasing the frequency in the lower diametric classes instead of favoring the increase in DBH. It is concluded that thinning interferes with the biomass volumes and the Stiasny index of M. caesalpiniifolia. However, it does not alter the concentration of tannins present in the species’ bark. caesalpiniifolia plots 1 5 T1, T , (T1) T2. T2 . (T2) measured felled Subsequently barks s volume mass determined Then TST, TST (TST) (I) TTC (TTC quantified treatments 267 26 7 26. 228 22 8 22. ha1 ha ha- respectively 16 5983 59 83 59.8 7931 79 31 79.31% Therefore conducted DBH M However species (T1 (T2 (TST (I 2 598 59. 793 3 79.31 (T 79.3 79.

RESUMO Este trabalho teve por objetivo avaliar o efeito do desbaste sobre os volumes de madeira por hectare e no teor de taninos na casca de Mimosa caesalpiniifolia. O plantio foi subdividido em duas parcelas, uma que sofreu desbaste aos 12 e aos 55 meses de idade (T1), enquanto a outra foi mantida intacta (T2). Foram realizadas medições das variáveis dendrométricas e, em seguida, abatidas dez árvores, sendo cinco em cada uma das parcelas. Posteriormente, determinou-se o volume, a massa e o teor de umidade, da madeira e da casca. Em seguida, foi quantificado o teor de sólidos totais (TST), o índice de Stiasny (I) e o teor de taninos condensados (TTC) na casca. A produtividade de madeira seca foi estatisticamente diferente entre os dois tratamentos com valores de 26,7 e 22,8 t ha-1 para T1 e T2, respectivamente. A porcentagem de casca seca correspondeu a 16% da biomassa total para ambos os tratamentos. A única variável que apresentou diferença significativa foi o I, sendo os valores com e sem desbaste de 59,83 e 79,31%, respectivamente. Portanto, verificou-se que a forma em que o desbaste foi empregado altera o I e a massa de madeira seca, porém não alterou a concentração de taninos presentes na casca da espécie. caesalpiniifolia parcelas 1 5 T1, T , (T1) T2. T2 . (T2) seguida árvores Posteriormente determinouse determinou se volume umidade TST, TST (TST) (I TTC (TTC 267 26 7 26, 228 22 8 22, ha1 ha ha- respectivamente 16 5983 59 83 59,8 7931 79 31 79,31% Portanto verificouse verificou espécie (T1 (T2 (TST 2 598 59, 793 3 79,31 (T 79,3 79,

https://doi.org/10.1590/1806-908820230000028

Biodiverse neighborhoods: an ex-situ conservation tool
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Ucella-Filho, João Gilberto Meza

; Lucas, Fernanda Moura Fonseca

; Almeida, Débora de Melo

; Silva, Bruna Rafaella Ferreira da

; Almeida, Dayane de Melo

; Brito, Dáfilla Yara Oliveira de

; Azevedo, Tatiane Kelly Barbosa de

Ornamental Horticulture

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Jan 2022, Volume 28 Nº 1 Páginas 8 - 18

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

Resumo As florestas urbanas apresentam infinidades de benefícios, podendo atuar como uma ferramenta para conservação ex-situ. O estudo teve como objetivo realizar o diagnóstico de uma floresta urbana pública, com o intuito de oferecer subsídios para o manejo e garantir que a arborização possa cumprir com funções sociais, estéticas e ecológicas. O levantamento foi desenvolvido em 6 praças e 5 canteiros centrais do Bairro Jardins. As espécies foram classificadas quanto a sua origem fitogeográfica e forma de dispersão de sementes. Foram determinados os índices de diversidade de Shannon-Weaver (H’), dominância de Simpson (D’) e equabilidade de Pielou (J). Ao todo foram identificados 507 indivíduos, pertencentes a 12 famílias e distribuídos em 29 espécies, sendo 13 nativas e 16 exóticas. A família que apresentou maior riqueza em número de espécies foi a Fabaceae (36%). Quanto à classificação da síndrome de dispersão, a mais ocorrente foi por zoocoria (52%). Os índices ecológicos calculados do bairro mostraram ocorrência de média diversidade de espécies (H’ = 2.2284), dominância elevada (D’ = 0.7899) e médio equilíbrio do número de indivíduos (J) de 0.6552. Embora o bairro Jardins tenha sido planejado, a floresta urbana nessa área ainda precisa de melhorias; tais como medidas de incentivo que podem promover a biodiversidade e a aplicação de conservação ex-situ.

Abstract Urban forests are responsible for a lot of benefits, and can be used as a tool to ex-situ conservation of native species. Our study investigated a public urban forest aiming to provide subside to management projects in order to allow the accurate fulfillment of social, aesthetic and ecological functions displayed by trees. Our survey was conducted in 6 public squares and 5 gardens in the Jardins neighborhood. We classified the trees according to their phytogeographic origins and seed dispersal habit. The Shannon-Weaver (H’) index, Simpson’s dominance (D’) and Pielou’s equability (J) were determined. A total of 507 individuals were sampled, located in 12 botanical families and 29 species, and 13 of them were classified as native and 16 as exotic. The family with higher species richness and number of species was Fabaceae (36%). Regarding the seed dispersal syndrome, the most representative was zoochory (52%). The ecological index showed medium species diversity (H’=2.2284), high dominance (D’=0.7899) and medium number of individuals (J) 0.6552. Although the Jardins neighborhood was planned, the urban forest in this area still needs improvement; such as incentive measures that can promote biodiversity and the application of ex-situ conservation.

https://doi.org/10.1590/2447-536x.v28i1.2388

PROPERTIES OF CROSS-LAMINATED TIMBER BONDED WITH AN ADHESIVE BASED ON TANNINS FROM THE BARK OF Mimosa tenuiflora TREES
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Silva, Bruna Rafaella Ferreira da

; Ucella-Filho, João Gilberto Meza

; Souza, Elias Costa de

; Costa, Thalles Luiz Negreiros da

; Azevêdo, Tatiane Kelly Barbosa de

; Mori, Fábio Akira

; Pimenta, Alexandre Santos

Revista Árvore

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2022, Volume 46 elocation e4620

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

RESUMO Este trabalho teve como objetivo determinar a concentração de taninos condensados na casca da árvore Mimosa tenuiflora (Willd) Poir. Adicionalmente, foram avaliadas as propriedades físico-mecânicas de painéis de madeira laminada cruzada (MLC) colados com um adesivo à base de taninos de M. tenuiflora. A casca foi coletada de cinco árvores. A formulação adesiva foi sintetizada pela mistura de taninos em pó, paraformaldeído e água a 50°C sob agitação contínua. Extrato de taninos da casca em seu estado primitivo sem qualquer tratamento químico prévio ou modificação foi empregado para sintetizar o adesivo. Foram determinados a viscosidade, pH, teor de sólidos e tempo de gel da formulação adesiva. Os painéis foram fabricados com madeira de Eucalyptus spp. O desempenho de colagem foi avaliado determinando as propriedades físicas (densidade aparente e absorção de água) e mecânicas (módulo de elasticidade – MOE, módulo de ruptura – MOR e resistência ao cisalhamento) dos painéis de MLC. O teor de taninos condensados na casca de M. tenuiflora foi de 23,4%. As propriedades adesivas foram pH = 3,93, TS de 50,64%, tempo de gel de 460 s e viscosidade de 6.000 cP. Os valores de MOE, MOR e resistência ao cisalhamento foram 4.411, 16,18 e 1,06 MPa, respectivamente. Os taninos de M. tenuiflora são promissores para a formulação de adesivos para unir MLC.

ABSTRACT This study aimed to determine the concentration of condensed tannins in the bark of Mimosa tenuiflora (Willd) Poir trees. Additionally, the physical-mechanical properties of cross-laminated timber (CLT) panels bonded with an adhesive based on M. tenuiflora tannins were assessed. Bark was collected from five trees. The adhesive formulation was synthesized by mixing powdered tannins, paraformaldehyde, and water at 50 °C under continuous stirring. Bark tannins extract in its pristine state without any previous chemical treatment or modification was employed to synthesize the adhesive. Viscosity, pH, solids content, and gel time of the adhesive formulation were determined. CLT panels were manufactured with Eucalyptus spp. wood. The bonding performance was assessed by determining the physical (apparent density and water absorption) and mechanical (modulus of elasticity – MOE, modulus of rupture – MOR, and shear strength) properties of the CLT panels. Condensed tannins content in the M. tenuiflora bark was 23.4%. Adhesive properties were pH = 3.93, TS of 50.64%, gel time of 460 s, and 6,000 cP for viscosity. Values of MOE, MOR and shear strength were 4,411, 16.18, and 1.06 MPa, respectively. The M. tenuiflora tannins are promising for the formulation of adhesives to bond CLT.

https://doi.org/10.1590/1806-908820220000020

Clinical-epidemiological characteristics associated with discharge outcomes and seasonality among surviving patients with Guillain-Barré syndrome in a national third-level hospital, Lima, Peru
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Velásquez-Rimachi, Victor

; López-Saavedra, Angélica Verónica

; Rodriguez-López, Ethel

; Elguera-Huaman, Hillary

; Meza, Kelly

; Alva-Díaz, Carlos

; Pacheco-Barrios, Kevin

Arquivos de Neuro-Psiquiatria

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Ago 2021, Volume 79 Nº 8 Páginas 697 - 704

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

ABSTRACT Background: Guillain-Barré syndrome (GBS) is an autoimmune disease that affects the peripheral nervous system. Severe motor deficit (SMD), respiratory impairment, cranial nerve involvement and autonomic dysfunction are associated with a poor prognosis. Objective: To investigate the association between the clinical-epidemiological characteristics and the discharge results among Peruvian patients with GBS. Methods: We carried out a retrospective observational study on patients with GBS who survived until discharge. We used the Brighton Collaboration’s criteria and considered Hughes Severity Scale (HSS) scores greater than two to be SMD. We defined the discharge results as an improvement if the HSS score decreased by at least one point from admission to hospital discharge and defined hospital stay as prolonged if > 14 days. Results: We analyzed 92 patients, among whom 70.7% were male. Quadriparesis (81.1%) and hyporeflexia (86.8%) were the most characteristic manifestations. We observed that more than half of the cases were in summer and winter. Gastrointestinal infections were associated with a higher proportion of prolonged stays. The proportion of improvement was lower among patients who had an SMD at hospital admission. We confirmed these results through fitting in multivariate models. Conclusions: The prolonged stay was related to previous gastrointestinal infection, while a less improvement in SMD individuals at admission. Prospective multicenter surveillance systems are needed for monitoring GBS cases in low-income settings like Peru.

RESUMEN Antecedentes: El síndrome de Guillain-Barré (SGB) es una enfermedad autoinmune que afecta al sistema nervioso periférico. Déficit motor severo (DMS), compromiso respiratorio, afectación de pares craneales y disfunción autonómica se asocian con un mal pronóstico. Objetivo: Investigar la asociación entre las características clínico-epidemiológicas y los resultados del alta en pacientes peruanos con SGB. Métodos: Realizamos un estudio observacional retrospectivo de pacientes con SGB supervivientes hasta el alta. Consideramos los criterios de colaboración de Brighton y una escala de severidad de Hughes (ESH) superior a dos como un DMS. Definimos los resultados del alta como una mejoría si el ESH disminuyó en al menos un punto desde el ingreso hasta el alta hospitalaria y una estadía prolongada si el tiempo de hospitalización fue > 14 días. Resultados: Analizamos 92 pacientes, de los cuales el 70,7% eran varones. La cuadriparesia (81,1%) y la hiporreflexia (86,8%) fueron las manifestaciones más características. Observamos más de la mitad de los casos en verano e invierno. Las infecciones gastrointestinales se asociaron con una mayor proporción de estadías prolongadas. La proporción de mejoría fue menor en los pacientes que tenían un DMS al ingreso hospitalario. Confirmamos estos resultados con modelos multivariados ajustados. Conclusiones: La estadía prolongada se relacionó con infección gastrointestinal previa, mientras que una mejoría menor en individuos con DMS al ingreso. Necesitamos sistemas de vigilancia multicéntricos prospectivos para monitorear los casos de SGB en un entorno de bajos ingresos como Perú.

https://doi.org/10.1590/0004-282x-anp-2020-0154 177 downloads

Características clínicas y epidemiológicas de pacientes ambulatorios en un centro de triaje COVID-19: una experiencia peruana
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Ramos-Yataco, Anthony

; Meza, Kelly

; Loli-Guevara, Silvana

; Canales, Eddu

Anales de la Facultad de Medicina

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Jul 2021, Volume 82 Nº 3 Páginas 236 - 238

Resumo: Es | Texto: Es | PDF: Es

https://doi.org/10.15381/anales.v82i3.21087

SEASONALITY OF THE BARK TANNINS CONTENT OF FIVE-YEAR-OLD Acacia mangium TREES GROWN IN NORTHEAST BRAZIL
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Souza, Jaltiery Bezerra de

; Azevêdo, Tatiane Kelly Barbosa de

; Pimenta, Alexandre Santos

; Gomes, João Paulo Silva

; Meza Filho, João Gilberto Ucella

; Silva, Bruna Rafaella Ferreira da

Revista Árvore

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2021, Volume 45 elocation e4523

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

RESUMO O presente trabalho objetivou avaliar a sazonalidade do teor de taninos condensados na casca de árvores de Acacia mangium cultivadas na Região Nordeste do Brasil e o efeito do preparo do solo nos resultados. Dois campos experimentais de 1,0 hectare cada foram submetidos a diferentes métodos de preparo de solo, com duas diferentes intensidades. O desenho experimental consistiu de quatro tratamentos, dois tipos de preparo de solo e duas épocas diferentes do ano (seca e chuvosa). As cascas das árvores foram coletadas em cada um dos tratamentos e os teores de taninos condensados foram determinados. Para cada tratamento, 15 árvores foram colhidas e descascadas. As cascas foram moídas e extraídas com água quente, obtendo-se o teor de sólidos totais (TST) extraídos, o índice de Stiasny (I) e o teor de taninos condensados (TTC). Não houve diferença estatística entre o TTC de árvores cultivadas com os dois tipos de manejo do solo. Entretanto, houve diferença estatística entre o TST, o I e o TTC, com valores maiores para as árvores colhidas no final da estação chuvosa. Para a produção de taninos, recomenda-se o manejo menos intensivo do solo em função do menor custo, com a coleta das cascas no final da estação chuvosa.

ABSTRACT This study aimed to assess the influence of the seasonality on the bark tannins content of Acacia mangium trees grown in the Northeastern Brazilian Region and the effect of soil preparation on the results. Two experimental plots of 1.0 ha each were submitted to different soil preparation methods, with two different intensities. The experimental design consisted of four treatments, two types of soil preparation and, two different bark collection seasons (end of the rainy and dry seasons). The bark of the trees was collected in each treatment and the contents of condensed tannins were determined. For each experimental treatment, 15 trees were harvested and debarked. Bark material was submitted to extraction with hot water, obtaining the total solids content (TSC), Stiasny index (I), and the condensed tannins content (CTC). There was no influence of the soil preparation method on the TSC, I, and CTC. However, there was a significant difference in these parameters for tree bark collected in the rainy season, with higher values. The less intensive soil preparation method is recommended due to its lower cost, and bark should be collected at the end of the rainy season for the best yield of condensed tannins.

https://doi.org/10.1590/1806-908820210000023 165 downloads

Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, el diagnóstico y el manejo de la infección por SARS-CoV-2/COVID-19 en pacientes con Enfermedad Renal Crónica en diálisis
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Yomayusa González, Nancy

; Yama, Erika

; González, Camilo

; Ariza, Amaury

; Aroca, Gustavo

; Baquero, Richard

; Rico, Jorge

; Vargas, Juan Guillermo

; Ramirez, Roberto

; Chacón, Kelly

; Robayo, Adriana

; Peña Wilches, Adalberto

; Meza, Adriana

; Bunch, Alfonso

; Mercado, Alvaro

; Calderón, Angélica

; Wancjer, Benjamín

; Zambrano, Betty

; Lozano, Carlos

; Buitrago, Cristóbal

; Ballesteros, David

; Chacón, Diana

; Vargas, Diana

; Villafañe, Douglas

; López, Francisco

; Pinzón, Freddy

; Guerrero, Gustavo

; Cárdenas, Héctor

; Benavides, Helman

; Villanueva, Ignacio

; Raoch, Ingrid

; Cáceres, Jimena

; Coronado, Jorge

; Pulido, Jorge

; Contreras, Kateir

; Valderrama Cometa, Luis Alfonso

; Gómez, María

; Vargas Brochero, María José

; Carrascal, Martha

; Rodríguez, Martha

; Guerrero, Mauricio

; Alfaro Tejeda, Mercedes

; Tobón, Natalia

; Rodríguez, Paula

; Gómez, Rafael

; Daza, Rodrigo

; Torres, Rodolfo

; Espitaleta, Zilac

; Burgos, Álvaro

Revista Colombiana de Nefrología

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Dez 2020, Volume 7 Supl. 2 Páginas 119 - 159

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

Resumen Introducción: Las personas con diálisis de mantenimiento se consideran una población en alto riesgo de infección por SARS-CoV-2, complicaciones y muerte. La periodicidad de la diálisis, la organización y la demanda en las unidades de diálisis y las limitaciones de alfabetización en salud poblacional limitan el cumplimiento del aislamiento y el distanciamiento social. Objetivo: Desarrollar, mediante un consenso de expertos, recomendaciones informadas en evidencia para la prevención, el diagnóstico y el manejo de la infección por SARS-CoV-2/COVID-19 en pacientes con enfermedad renal crónica. Materiales y métodos: Se realizó una revisión rápida de literatura en Pubmed, Embase y sociedades científicas. La calidad de evidencia fue evaluada según el tipo de estudio incluido. El acuerdo se definió para cada recomendación con umbral de al menos 70% de aprobación. La fuerza de las recomendaciones fue graduada como fuerte o débil. Resultados: El colectivo fue consultado entre el 17 y 19 de mayo de 2020. Se obtuvo respuesta de 44 expertos clínicos que declararon conflicto de interés previo a la consulta. El acuerdo de las recomendaciones estuvo entre 70,5 y 100%. Se presentan las recomendaciones de un colectivo experto para la prevención, el diagnóstico y el manejo de infección por SARS-CoV-2/COVID-19 en pacientes con enfermedad renal crónica. Conclusión: Debido a la reciente aparición de la infección por SARS-CoV-2 y las incertidumbres respecto a la prevención, el diagnóstico y el manejo, las recomendaciones presentadas se conciben como un estándar colombiano que permita garantizar un cuidado centrado en las personas con enfermedad renal crónica y la protección de los profesionales de la salud.

Abstract Introduction: People with chronic dialysis are considered a population at high risk of SARS CoV2 infection and its derived complications and death. The need to go to strict dialysis schedules, the high demand in the kidney facilities and the difficulties derived from the time and space organization in the rooms in the face to the pandemic added to the difficult learning, teaching and adapting new protocols manifest the needed of standard recommendation according to this problem in people who couldn't have an ideal isolation. Objective: Develop through an expert consensus, evidence-informed recommendations for the prevention, diagnosis, and management of SARS-CoV-2/COVID-19 infection in patients with chronic kidney disease on Dialysis. Materials and methods: We carried out a quick literature review, PubMed, Embase and scientific societies were consulted. The quality of the evidence was considered according to the type of study included. The agreement threshold defined for each recommendation was > 70% approval among experts. The strength of the recommendations was rated as strong or weak. Results: Between May 17 and 19, 2020, was conformed a team of 44 clinical experts who declared their interest conflict prior to the consultation. The agreement of the recommendations was between 70.5% and 100%. The recommendations were separated in prevention, early identification, and diagnostic, isolation in hemodialysis facilities and peritoneal dialysis, and team protection. Ethical considerations also were included. Conclusion: Due to the recent appearance of SARS-CoV-2 infection and the uncertainties regarding prevention, diagnosis and management, the recommendations presented are conceived as a Colombian standard that allows guaranteeing focused care for people with chronic kidney disease and the protection of health team.

https://doi.org/10.22265/acnef.7.supl.2.474 347 downloads

Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, el diagnóstico y el manejo de la lesión renal aguda por SARS-CoV-2/COVID-19
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González, Camilo

; Yama, Erika

; Yomayusa, Nancy

; Vargas, Juan

; Rico, Jorge

; Ariza, Amaury

; Aroca, Gustavo

; Baquero, Richard

; Ramírez, Roberto

; Chacón, Kelly

; Torres, Rodolfo

; Robayo, Adriana

; Peña, Adalberto

; Meza, Adriana

; Molano, Alejandra

; Lizarazo, Alexandra

; Caicedo, Andrea

; Acevedo, Andrés

; Calderón, Angélica

; Zambrano, Betty

; Musso, Carlos Guido

; Lozano, Carlos

; Buitrago, Cristóbal

; Ballesteros, David

; Chacón, Diana

; Vargas, Diana

; Gayón, Diana

; Villafañe, Douglas

; López, Francisco

; Ardila, Freddy

; Pinzón, Guillermo

; Guerrero, Gustavo

; Benavides, Helman

; Villanueva, Ignacio

; Raoch, Ingrid

; Galeano, Javier

; Gordon, Jennifer

; Cáceres, Jimena

; Pulido, Jorge

; Pérez, Jorge

; Contreras, Kateir

; Aristizábal, Leidy

; Valderrama, Luis

; Gómez, María

; Vargas, María José

; Carrascal, Martha

; Rodríguez, Martha

; Guerrero, Mauricio

; Alfaro, Mercedes

; Tobón, Natalia

; García, Paola

; Rodríguez, Paula

; Daza, Rodrigo

; Espitaleta, Zilac

Revista Colombiana de Nefrología

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Dez 2020, Volume 7 Supl. 2 Páginas 89 - 117

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

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Abstract Introduction: Acute kidney injury is a frequent complication in patients with COVID-19 and its occurrence is a potential indicator of multi-organ dysfunction and disease severity. Objective: Develop, through an expert consensus, evidence-based recommendations for the prevention, diagnosis, and management of acute kidney injury in patients with SARS CoV2 / COVID-19 infection. Materials and methods: Based on a rapid systematic review in Embase and Pubmed databases and documents from scientific societies, we made preliminary recommendations and consulted with an expert group through an online tool. Then we defined agreement after at least 70 % consensus approval. Quality evidence was evaluated according to the type of document included. The strength of the recommendations was graded as strong or weak. Results: Fifty clinical experts declared their conflict of interest; the consultation took place between May 2 and 29, 2020. The range of agreement ranged from 75.5 % to 100 %. Recommendations for prevention, diagnosis and management of acute kidney injury in patients with SARS CoV2 infection are presented. Conclusions: Although the good quality information available regarding acute kidney injury in patients with COVID-19 is scarce, the recommendations of clinical experts will guide clinical decision-making and strategies around patients with this complication, guaranteeing care focused on the people, with high quality standards, and the generation of safety, health and wellness policies for multidisciplinary care teams.

https://doi.org/10.22265/acnef.7.supl.2.73 434 downloads

Consenso colombiano de expertos sobre recomendaciones informadas en la evidencia para la prevención, diagnóstico y manejo de la infección por SARS-CoV-2/COVID-19 en paciente pediátrico con enfermedad renal crónica o lesión renal aguda asociada a COVID-19
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Baquero Rodriguez, Richard

; Yomayusa, Nancy

; Gonzalez, Camilo

; Yama, Erika

; Vargas, Juan Guillermo

; Rico, Jorge

; Ariza, Amaury

; Aroca, Gustavo

; Ramírez, Roberto

; Chacón, Kelly

; Torres, Rodolfo

; Robayo, Adriana

; Meza Martínez, Adriana Isabel

; Calderón Ortiz, Angélica María

; Zapata Chica, Carlos Andrés

; Morales Contreras, Carol Lisbeth

; Ochoa García, Carolina Lucía

; Pinto Bernai, Claudia

; Chacón Jaimes, Diana Carolina

; Villafañe Bermúdez, Douglas Ramón

; Suárez Barajas, Ehimy Marcela

; López, Franklin Atencia

; Guerrero Tinoco, Gustavo Adolfo

; Cáceres Mosquera, Jimena Adriana

; Cárdenas Aguilera, Juan Guillermo

; González, Luz Esthella

; Osorio Ruiz, María Franqueline

; Carrascal Guzmán, Martha Isabel

; Mejía Gaviria, Natalia

; Sierra Quiroz, Yusir

; Espitaleta, Zilac

; Beltrán, Sandra

Revista Colombiana de Nefrología

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Dez 2020, Volume 7 Supl. 2 Páginas 50 - 69

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

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Abstract Introduction: The numbers of SARS-CoV-2 infection in the pediatric population are low so far. There is limited information about the behavior of SARS-CoV-2 in a pediatric patient with chronic kidney disease. Objective: To formulate informed recommendations to the prevention, diagnosis, and management of SARS-CoV-2 infection in pediatric patients with kidney disease or acute kidney injury associated with COVID-19 in Colombia. Methodology: A rapid systematic review was performed in Embase and Pubmed databases and scientific societies, to answer questions prioritized by clinical experts in pediatric nephrology. The quality of the evidence was evaluated with validated tools according to the type of study. The preliminary recommendations were consulted by an expert group. The agreement was defined when approval was obtained from at least 70% of the experts consulted. Results: A response was obtained from ' 9 experts in pediatric nephrology in Colombia, who declared the conflict of interest before the consultation. The range of agreement for the recommendations ranged from 78.9% to '00%. The recommendations did not require a second consultation. Conclusion: The evidence-based recommendations for the management of a patient with kidney disease and COVID-19 in the Colombian context are presented.

https://doi.org/10.22265/acnef.7.supl.2.488 635 downloads

10.

Anticuerpos anti-SARS-COV-2 en gestantes en un hospital nivel III de Perú
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Guevara-Ríos, Enrique

; Espinola-Sánchez, Marcos

; Carranza-Asmat, César

; Ayala-Peralta, Félix

; Álvarez-Carrasco, Ricardo

; Luna-Figueroa, Antonio

; Meza-Santibáñez, Luis

; Pérez-Aliaga, Carlos

; Zevallos-Espinoza, Kelly

; Racchumi-Vela, Augusto

; Segundo-Paredes, Jorge

; Arango-Ochante, Pedro

Revista Peruana de Ginecología y Obstetricia

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Jul 2020, Volume 66 Nº 3 elocation 00002

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

ABSTRACT Introduction: COVID-19 disease spreads rapidly. Seroprevalence in pregnant women entering for hospitalization and clinical characteristics in this type of population in Peru is not known. Objective: To determine the prevalence and clinical-epidemiological characteristics of pregnant women with anti-SARS-CoV-2 antibodies at a level III hospital in Peru. Methods: Observational and cross-sectional study performed at the National Maternal Perinatal Institute of Peru. Pregnant women admitted for hospitalization were screened for COVID-19 infection. Results of anti-SARSCoV-2 serological tests and information on maternal and perinatal characteristics were obtained. Data analysis was performed using descriptive statistics and 95% confidence intervals. Results: In 2 419 pregnant women screened we identified a prevalence of 7.0% of anti-SARS-CoV-2 antibodies (95% IC: 6.1% to 8.1%), including IgM in 10% (95% IC: 6.1% to 15.8%), IgM / IgG in 78.8% (95% IC: 71.8% to 84.6%), IgG in 11.2% (95% IC: 7.0% to 17.1%). 89.4% of the seropositive pregnant women were asymptomatic. Most frequent complications were premature rupture of membranes (11.8%) and preeclampsia (6.5%). No association was found between clinical and epidemiologic characteristics and type of serological response to SARS-CoV-2 (p > 0.05). Conclusions: Pregnant women had prevalence of anti-SARS-CoV-2 antibodies of 7.0% on admission to the hospital; most of them were asymptomatic. There was no association between clinical-epidemiological characteristics analyzed and type of anti-SARS-CoV-2 antibody response.

RESUMEN Introducción . La enfermedad de COVID-19 se propaga rápidamente. Se desconoce la seroprevalencia en mujeres embarazadas que ingresan a hospitalización y sus características propias en este tipo de población en Perú. Objetivo . Determinar la prevalencia y características clínico-epidemiológicas de gestantes con anticuerpos anti-SARS-CoV-2 en un hospital nivel III de Perú. Métodos . Estudio observacional de tipo transversal, realizado en el Instituto Nacional Materno Perinatal de Perú, entre el 15 de abril y 15 de mayo de 2020. Participaron todas las gestantes que ingresaron a hospitalización y fueron tamizadas para la infección por SARS-CoV-2 mediante pruebas serológicas, cuyos resultados fueron analizados conjuntamente con sus características clínicas y epidemiológicas, utilizando estadígrafos descriptivos e intervalos de confianza al 95%, y mediante la prueba de independencia de chi cuadrado con una significancia de 0,05. Resultados . Se tamizaron 2 419 embarazadas, identificando una prevalencia de 7,0% con resultados positivos a los anticuerpos anti-SARS-CoV-2 (IC95%: 6,1% a 8,1%). Se observó IgM en 10% (IC95%: 6,1% a 15,8%), IgM/IgG en 78,8% (IC95%: 71,8% a 84,6%), IgG en 11,2% (IC95%: 7% a 17,1%). El 89,4% de gestantes seropositivas fueron asintomáticas. Se observó como complicaciones obstétricas más frecuentes la rotura prematura de membranas (11,8%) y la preeclampsia (6,5%). No se halló asociación de las características clínico epidemiológicas y el tipo de respuesta serológica para el virus SARS-CoV-2 (p>0,05). Conclusiones . Las gestantes con ingreso hospitalario en el periodo estudiado presentaron prevalencia de anticuerpos anti-SARS-CoV-2 de 7,0%, siendo mayormente asintomáticas. No se evidenció asociación entre las características clínico-epidemiológicas analizadas y el tipo de respuesta de los anticuerpos anti- SARS-CoV-2.

https://doi.org/10.31403/rpgo.v66i2259

11.

Angioma esplénico de células litorales
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Coico-León, Amparo Y.

; Meza-Capcha, Kelly J.

; Laurente-Sánchez, Daniela I.

; Verona-Rubio, Roger

; Samamé Pérez-Vargas, Juan Carlos

Anales de la Facultad de Medicina

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Mar 2020, Volume 81 Nº 1 Páginas 63 - 66

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

ABSTRACT A 62-year-old man with a medical history of a painful abdominal mass in left upper quadrant and general symptoms, who was classified initially as an unresectable sarcoma. He received chemotherapy and radiotherapy with no response, so he underwent a new surgery, finding a heterogeneous tumor with immunohistochemical consistent with littoral cell angioma. Littoral cell angioma (LCA) is a rare splenic lesion that presents general symptoms, so there are not many reports, which requires surgical management. Is usually an asymptomatic neoplasm of incidental finding, affecting both sexes equally, whose diagnosis is histological and immunohistochemical with a good prognosis always after a surgical approach.

RESUMEN Presentamos el caso de un paciente varón de 62 años con masa dolorosa en hipocondrio izquierdo catalogado inicialmente como sarcoma irresecable, recibió quimioterapia y radioterapia sin respuesta, motivo por el cual se reintervino quirúrgicamente hallándose un tumor dependiente de bazo heterogéneo con perfil inmunohistoquímico de angioma de células litorales. El angioma de células litorales (ACL) es una lesión esplénica poco frecuente que se presenta asociado a síntomas genéricos como astenia, dolor regional y baja de peso, que requiere como manejo principal un abordaje quirúrgico. Suele ser una neoplasia asintomática de hallazgo incidental, afecta a ambos sexos por igual, cuyo diagnóstico es básicamente histológico e inmunohistoquímico con buen pronóstico luego de un abordaje quirúrgico inicial.

https://doi.org/10.15381/anales.v81i1.16196

12.

Miopatías autoinmunes: revisión de diagnóstico y manejo
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Bertorini, Tulio

; Meza, Kelly

; Chunga, Natalia

Anales de la Facultad de Medicina

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Jul 2019, Volume 80 Nº 3 Páginas 362 - 371

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

Idiopathic inflammatory myopathies (MII) are a group of autoimmune diseases that mainly affect the proximal muscles. The most common types are Dermatomyositis (DM), Polymyositis (PM), Necrotizing autoimmune myopathy and Inclusion body myositis. Unique forms are identified in their clinical presentation consisting of muscular and extramuscular manifestations, their myopathic alterations in the electromyogram and the elevation of muscle enzymes. However, muscle biopsy remains the gold standard for diagnosis. These disorders are tratable with a proper. The goals of treatment are to eliminate inflammation, restore muscle performance, reduce morbidity and improve quality of life.This review aims at a basic diagnostic approach in patients with suspicion of MMI through its main clinical, laboratory and histopathological findings.

Las miopatías inflamatorias idiopáticas (MII) son un grupo de enfermedades autoinmunes crónicas que afectan principalmente a los músculos proximales. Los tipos más comunes son dermatomiositis (DM), polimiositis (PM), miopatía autoinmune necrotizante y miositis por cuerpos de inclusión. Se identifican de forma única por su presentación clínica que consiste en manifestaciones musculares y extramusculares, sus alteraciones miopáticas en el electromiograma y la elevación de las enzimas musculares. Sin embargo, la biopsia muscular sigue siendo el gold estándar para el diagnóstico. Estos trastornos son potencialmente tratables con un diagnóstico adecuado. Los objetivos del tratamiento son eliminar la inflamación, restaurar el rendimiento muscular, reducir la morbilidad y mejorar la calidad de vida. Esta revisión tiene como objetivo proporcionar un enfoque de diagnóstico básico a los pacientes con sospecha de MMI a través de sus principales hallazgos clínicos, de laboratorio e histopatológicos.

https://doi.org/10.15381/anales.803.16274

13.

Consumo alcohólico de riesgo en estudiantes de tres universidades de la sierra central peruana: frecuencia según sexo y factores asociados
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Valdivia-Lívano, Solange

; Vega-Melgar, Verónica

; Jiménez-Meza, Yanina

; Macedo-Poma, Kelly

; Caro-Rivera, Estephany

; Lazo-Escobar, Dayana

; Ugarte-Castillo, Fany

; Mejía, Christian R.

Revista chilena de neuro-psiquiatría

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Jun 2018, Volume 56 Nº 2 Páginas 110 - 116

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

Objective: To determine the frequency and associated factors to risky alcohol intake in university students of the city of Huancayo. Materials and Method: Analytical cross-sectional study; by a survey of the AUDIT test (risky alcoholic consumption), Beck (depression) and other socioeducational variables were applied in the three universities of the city of Huancayo (UPLA, UC and UNCP). Association statistics were obtained by generalized linear models. Results: Of the 356 students surveyed, 54% (191) were women, with a median age of 21 years (interquartile range: 19-22 years). 25% had a risky consumption of alcohol, with ranges of 16-33% for each university. In the bivariate analysis, highest risky alcohol consumption was associated to female sex (PRc: 1.13, 95% CI: 1.01-1.28). In the multivariate analysis risky alcohol consumption was associated to the female sex (aPR: 1.15,95% CI: 1.10-1.19, p value < 0.001), with health sciences faculty versus humanities (aPR: 0, 34; 95% CI: 0.13-0.90, p-value = 0.030) and the presence of depressive symptoms (aPR: 2.45, 95% CI: 2.18-2.76, p-value < 0.001). Conclusions: Large number of students had risky alcohol consumption, and this is the one that is assoaciated to the female sex, with health sciences faculty in front of humanities and the presence of depressive symptoms.

Resumen Objetivo: Determinar la frecuencia y los factores asociados al consumo alcohólico de riesgo en estudiantes universitarios de la ciudad de Huancayo. Materiales y Método: Estudio transversal analítico; mediante una encuesta se aplicó el test AUDIT (consumo alcohólico de riesgo), Beck (depresión) y otras variables socio-educativas en las tres universidades de la ciudad de Huancayo (Privadas: UPLA, UC; y la pública: UNCP). Se obtuvo estadísticos de asociación mediante los modelos lineales generalizados. Resultados: De los 356 estudiantes encuestados, el 54% (191) fueron mujeres, con una mediana de 21 años de edad (rango intercuartílico: 19-22 años). El 25% tuvo consumo riesgoso de alcohol, con rangos de 16-33% para cada universidad. En el análisis bivariado, se encontró asociación entre el sexo femenino y mayor consumo riesgoso de alcohol (RPc: 1,13; IC 95%: 1,01-1,28). En el análisis multivariado hubo relación con el sexo femenino (RPa: 1,15; IC 95%: 1,10-1,19; valor p < 0,001), con facultades de ciencias de la salud frente a humanidades (RPa: 0,34; IC 95%: 0,13-0,90; valor p = 0,030) y la presencia de síntomas depresivos (RPa: 2,45; IC 95%: 2,18-2,76; valor p < 0,001). Conclusiones: Gran cantidad de estudiantes presentaron alcoholismo, y estuvo asociado al sexo femenino, con facultades de ciencias de la salud frente a humanidades y la presencia de síntomas depresivos.

https://doi.org/10.4067/s0717-92272018000200110 3700 downloads

14.

Arteritis de Takayasu: Etiología inhabitual de infarto cerebral. Reporte de un caso
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Meza-Capcha, Kelly J

; Barrientos-Imán, Danny M

; Valencia-Chávez, Ana M

; Ramírez-Quiñones, Jorge A

; Abanto-Argomedo, Carlos

Revista de Neuro-Psiquiatría

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Out 2016, Volume 79 Nº 4 Páginas 282 - 287

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

Takayasu arteritis (TA) is a chronic large vessel vasculitis that affects the aorta and its main branches. The initial clinical presentation is generally with non-specific constitutional symptoms, but occasionally it may debut with a particular organ ischemia. We report the case of a 31-year-old woman, who presented suddenly a motor deficit in the right hemibody and language impairment. Physical examination revealed the lack of a pulse in a distal artery and the difference in blood pressure between upper limbs. Digital subtraction angiography showed occlusion of the left subclavian artery and left common carotid artery and severe stenosis of the right subclavian artery in the middle portion. AT was diagnosed according to the diagnostic criteria of the American College of Rheumatologists, 1990. The patient received medical treatment and rehabilitation with good response. AT as an etiologic possibility should be considered in all young patients who have a stroke. Early diagnosis is crucial because this pathology is sensitive to medical treatment and it is associated with good clinical results.

La arteritis de Takayasu (AT) es una vasculitis crónica de grandes vasos que afecta a la aorta y a sus principales ramas. La presentación clínica inicial generalmente se manifiesta con síntomas constitucionales inespecíficos, pero de forma ocasional puede debutar con isquemia de un órgano determinado. Presentamos el caso de una mujer de 31 años de edad sin ascendencia japonesa, sin factores de riesgo vasculares, que presentó de forma súbita déficit motor en hemicuerpo derecho y alteración del lenguaje. Al examen físico se encontró ausencia de pulso en una arteria distal y una diferencia en la presión arterial en los miembros superiores. La angiografía por sustracción digital mostró oclusión de la arteria subclavia y carótida común izquierda, así como estenosis severa de la arteria subclavia derecha en su parte media. Se diagnosticó AT de acuerdo a los criterios diagnósticos del Colegio Americano de Reumatólogos de 1990 y los Criterios modificados de Ishikawa. La paciente recibió tratamiento médico y de la rehabilitación con buena respuesta. La AT debe considerarse como posibilidad etiológica en todos los pacientes jóvenes que presenten un infarto cerebral. Su diagnóstico precoz es crucial, ya que esta patología es sensible al tratamiento médico y se asocia con buenos resultados clínicos.

https://doi.org/10.20453/rnp.v79i4.2985

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