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Uso de afrecho de arroz en la dieta de borregas en confinamiento
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Caballero Mascheroni, Jorge Daniel

; Gonzalez Cabañas, Javier Feliciano

; Alonzo Griffith, Luis Alberto

; Ocampos Olmedo, Diego Avilio

; Fariña Diaz, Tania

; Aguilar Sosa, Mauricio Alejandro

Investigación Agraria

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jun 2022, Volume 24 N. 1 Pages 1 - 7

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

RESUMEN El afrecho de arroz es un subproducto de las industrias que posee importantes valores nutricionales, por lo que puede considerarse como alternativa para incluirlas dentro de un programa alimenticio de ovinos. El objetivo del trabajo fue evaluar el efecto de la sustitución parcial del maíz molido por afrecho de arroz sobre los parámetros productivos de borregas en confinamiento. El diseño experimental fue completamente al azar con cuatro tratamientos y tres repeticiones, cada repetición estuvo compuesta por 2 borregas, totalizando así 12 unidades experimentales (24 animales de 26 ± 2kg PV y en promedio). Los tratamientos consistieron en la sustitución parcial del maíz molido por afrecho de arroz en la dieta. Los niveles fueron 0% para T1, 15% para T2, 30% para T3 y 45% para T4. Las raciones contenían además expeller de soja, sal mineral, urea, carbonato de calcio y heno de Pangola (Digitaria decumbens) como fuente de voluminoso. La duración del experimento fue de 56 días. Los pesajes y ajuste de ración fueron realizados cada 14 días. Los datos recabados fueron sometidos a un análisis de varianza (ANAVA) al 5% probabilidad de error. Los resultados obtenidos indican que no existieron diferencias estadísticas significativas en las variables ganancia diaria de peso, ganancia total de peso, consumo y conversión alimenticia, con valores promedios de 200 g.dia-1, 10,8 kg, 4,7% y 7,4 respectivamente. Por lo tanto, se puede inferir que es factible la utilización de afrecho de arroz en sustitución del maíz molido hasta un 45% sin afectar los parámetros productivos evaluados.

ABSTRACT The rice bran is a by-product of the rice industries that has important nutritional values and can therefore be considered as an alternative to include them in a sheep's food program. The objective of the work was to evaluate the effect of partial replacement of ground corn by rice bran on productive parameters of sheep in feedlot. The experimental design was completely randomized with four treatments and three repetitions, each repetition was composed of 2 ewes, thus totaling 12 experimental units (24 animals of 26 ± 2kg PV on average). The treatments consisted of the partial substitution of ground corn for rice bran in the diet. The levels were 0% for T1, 15% for T2, 30% for T3 and 45% for T4. The rations also contained soybean expeller, mineral salt, urea, calcium carbonate and Pangola hay (Digitaria decumbens) as a voluminous source. The duration of the experiment was 56 days. The weightings and ration adjustment were made every 14 days. The data collected were subjected to an Analysis of variance (ANOVA) at 5% error probability. The results obtained indicate that there were no significant statistical differences in the variables daily weight gain, total weight gain, intake and feed conversion ratio, with average values of 200 g.dia-1, 10.8 kg, 4.7% and 7.4 respectively. Therefore, it can be inferred that it is feasible to use rice bran instead of ground corn up to 45% without affecting the productive parameters evaluated.

https://doi.org/10.18004/investig.agrar.2022.junio.2401679

Consenso peruano para el uso de la resonancia magnética en el diagnóstico y seguimiento de pacientes con esclerosis múltiple
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Caparó-Zamalloa, César

; Cabrejo-Bravo, José A.

; Castañeda-Barba, Carlos

; Cortez-Escalante, Jaqueline

; Cruz-Cruz, Ana

; Dueñas-Pacheco, Iván

; Escalante-Narrea, Diego

; Escalante-Rojas, Ronald

; Gonzalez-Mujica, Jessica

; Guevara-Vidal, Alembert

; Huamani, Charles

; Nisiama-Vera, Julio C.

; Pérez-Alviz, Carlos A.

; Rodríguez-Kadota, Liliana E

; Vega-Wong, Pamela A.

Revista de Neuro-Psiquiatría

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apr 2022, Volume 85 N. 2 Pages 95 - 106

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

SUMMARY The use of Magnetic Resonance Imaging (MRI) in the diagnosis and follow-up of patients with Multiple Sclerosis (MS) has optimized the care of the affected patients. Several international working groups have tried to clarify and standardize the global use of MRI but, on many occasions, data are extrapolated from other regions, do not contemplate local realities or are difficult to implement. Objective: To reach a consensus on aspects related to the use of MRI in the diagnosis and follow-up of patients with MS in Peru. Material and Methods: A group of Peruvian experts (neurologists and radiologists) worked on the elaboration of the consensus using a remote survey round methodology. Results: The recommendations, established on the basis of published evidence and on the experts’ criteria, focused on the role of both, the conventional MRI techniques and the measurement of brain atrophy in MS patients both at the time of diagnosis and during the follow-up period Conclusions: The consensual recommendations could potentially assist in the standardization and optimization of the care and follow-up of patients with MS in our country.

RESUMEN El uso de la resonancia magnética (RM) en el diagnóstico y seguimiento de pacientes con esclerosis múltiple (EM) ha optimizado el cuidado de los pacientes afectados. Diversos grupos internacionales de trabajo han intentado clarificar y normatizar el uso global de la RM pero, en muchas ocasiones, se extrapolan datos de otras regiones que no contemplan la realidad de cada lugar o son difíciles de implementar. Objetivo: Consensuar aspectos relacionados con el uso de RM en el diagnóstico y seguimiento de pacientes con EM en el Perú. Material y Métodos: Un grupo de expertos peruanos, conformado por neurólogos y radiólogos, condujo la elaboración del consenso mediante metodología de ronda de encuestas a la distancia. Resultados: Las recomendaciones, basadas en la evidencia publicada y en el criterio de los expertos, enfocaron tanto el rol de las técnicas convencionales de RM como el de la medición de la atrofia cerebral en pacientes con EM al momento del diagnóstico y durante el periodo de seguimiento. Conclusiones: Las recomendaciones del consenso podrán potencialmente homogenizar y optimizar el cuidado y seguimiento de pacientes con EM en nuestro país.

https://doi.org/10.20453/rnp.v85i2.4227

Valores éticos de la protección radiológica en procedimientos de radiodiagnóstico e intervencionismo radiológico
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Cerda, Carlos Ubeda de la

; Soffia-Sánchez, Pablo

; Inzulza-Contardo, Alonso

; Miranda-Gonzalez, Patricia

; Aragón-Caqueo, Gonzalo

; Aragón-Caqueo, Diego

Revista chilena de radiología

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dec 2021, Volume 27 N. 4 Pages 164 - 169

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

Abstract Medical applications of ionizing radiation and in particular diagnostic and interventional radiology procedures are the main source of artificial radiation to the world population. Ionizing radiation has the potential to generate adverse health effects in people. To make safer and more efficient use of these radiations, the International Commission on Radiological Protection together with other international organizations has implemented a system of radiological protection based on three pillars: justification, optimization, and limits. In turn, these pillars are based on four fundamental ethical values: beneficence, prudence, justice, and dignity. Given that Chilean legislation does not incorporate these aspects, nor have we found national scientific articles that address these issues for diagnostic and interventional radiology procedures, the present work of narrative review aims to develop a consultation document for health professionals, which contains in a concise manner and with precise definitions, key elements to understand how the radiological protection system works and its ethical values.

Resumen Las aplicaciones médicas de las radiaciones ionizantes, y en particular los procedimientos de radiodiagnóstico e intervencionismo, son la principal fuente de radiación artificial a la población mundial. Las radiaciones ionizantes tienen el potencial de generar efectos adversos en la salud de las personas. Para hacer un uso más seguro y eficiente de estas radiaciones, la Comisión Internacional de Protección Radiológica y otras organizaciones internacionales han implementado un sistema de protección radiológica que se basa en tres pilares: justificación, optimización y límites. A su vez, estos pilares se sustentan en cuatro valores éticos fundamentales: beneficencia, prudencia, justicia y dignidad. Dado que la legislación chilena no tiene incorporados estos aspectos, ni tampoco hemos encontrado artículos científicos nacionales que aborden dichos temas para procedimientos de radiodiagnóstico e intervencionismo, el presente trabajo de revisión narrativa tiene como objetivo elaborar un documento de consulta para los profesionales de la salud que contenga de manera sucinta y con definiciones precisas los principales aspectos que hay que tener en cuenta para comprender cómo funciona el sistema de protección radiológica y sus valores éticos.

https://doi.org/10.24875/rchrad.m21000008 222 downloads

Evaluación del YM976 como alternativo a las hormonas gonadotrópicas en la maduración in vitro de oocitos bovinos y su competencia para el desarrollo embrionario
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Carrillo-Gonzalez, Diego Fernando

; Hernández Herrera, Darwin Yovanny

; Vásquez Araque, Neil Aldrin

Revista de Investigaciones Veterinarias del Perú

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nov 2021, Volume 32 N. 6 elocation e20341

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

RESUMEN El objetivo del estudio fue evaluar el efecto del YM976 como inhibidor específico de la fosfodiesterasa tipo 4 (PDE-4) sobre la maduración in vitro de oocitos bovinos y su capacidad de desarrollo embrionario. Para ello, complejos cúmulo-oocito se obtuvieron por aspiración folicular de ovarios obtenidos en planta de sacrificio. Se maduraron in vitro por 24 horas en medio TCM-199 suplementado con cuatro concentraciones de YM976 (1, 10, 100 y 1000 nM) o con gonadotropinas (LH y FSH). Se evaluó la expansión del cúmulo por observación visual y la reanudación de la metafase II por tinción con colorante Hoechst. Los oocitos fueron fertilizados y cultivados en medio KSOM Evolve por ocho días. El porcentaje de expansión grado 3 de las células de cúmulo en oocitos cultivados con gonadotropinas fue diferente (p= 0.00016) respecto de los cultivado en presencia del YM976. La reanudación de la metafase II fue similar entre oocitos madura- dos a 10 nM de YM976 y los madurados con gonadotropinas. Los oocitos madurados en concentraciones de 1 y 10 nM de YM976 presentaron un desarrollo embrionario temprano similar al encontrado en los madurados con gonadotropinas. Por el contrario, altas concentraciones de YM976 tuvieron efectos deletéreos. En conclusión, concentraciones 1 y 10 nM del inhibidor de PDE-4 YM976 durante la maduración in vitro de oocitos retrasa la expansión de las células de la granulosa, pero permite una maduración nuclear y competencia para el desarrollo embrionario, similar a los oocitos madurados con gonadotropinas, sugiriendo que, el uso de YM976 puede ser aplicado en procesos de maduración in vitro de oocitos bovinos.

ABSTRACT The aim of this study was to evaluate the effect of YM976 as a specific inhibitor of phosphodiesterase type 4 (PDE-4) on the in vitro maturation of bovine oocytes and their capacity for embryonic development. For this, cumulus-oocyte complexes were obtained by follicular aspiration of ovaries obtained in a slaughterhouse. They were matured in vitro for 24 hours in TCM-199 medium supplemented with four concentrations of YM976 (1, 10, 100 and 1000 nM) or with gonadotropins (LH and FSH). The expansion of the cumulus was evaluated by visual observation and the resumption of metaphase II by staining with Hoechst dye. The oocytes were fertilized and cultured in KSOM Evolve medium for eight days. The percentage of grade 3 expansion of the cumulus cells in oocytes cultured with gonadotropins was different (p=0.00016) compared to those cultured in the presence of YM976. The resumption of metaphase II was similar between oocytes matured at 10 nM YM976 and those matured with gonadotropins. The oocytes matured in concentrations of 1 and 10 nM of YM976 presented an early embryonic development similar to that found in those matured with gonadotropins. In contrast, high concentrations of YM976 had deleterious effects. In conclusion, concentrations of 1 and 10 nM of the PDE-4 inhibitor YM976 during in vitro maturation of oocytes delay the expansion of granulosa cells, but allow nuclear maturation and competition for embryonic development, similar to oocytes matured with gonadotropins, suggesting that the use of YM976 can be applied in in vitro maturation processes of bovine oocytes.

https://doi.org/10.15381/rivep.v32i6.20341

Multiple extremity necrosis in fatal calciphylaxis: Case report
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Gonzalez, Diego Ennes

; Foresto, Renato Demarchi

; Maldonado, Ana Luiza Santos

; Padilha, Wallace Stwart Carvalho

; Roberto, Fernanda Badiani

; Pereira, Maria Eduarda Vilanova da Costa

; Durão Junior, Marcelino de Souza

; Carvalho, Aluizio Barbosa

Brazilian Journal of Nephrology

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jun 2021, Volume 43 N. 2 Pages 274 - 278

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

RESUMO Introdução: O impacto clínico da calcificação vascular está bem estabelecido no âmbito de morbimortalidade cardiovascular, mas outras síndromes clínicas, como a calcifilaxia, apesar de menos frequente, têm significante impacto na doença renal crônica. Métodos: Relato de caso de mulher, 27 anos, com queixa de dor em pododáctilos bilateralmente havia 3 dias, com presença de pequenas áreas necróticas nos locais referidos. Antecedente pessoal de diabetes tipo 1 (há 25 anos), com doença renal crônica, em diálise peritoneal, além de artrite reumatoide. Teve internação hospitalar, que antecedeu o quadro atual, devido à exacerbação da artrite reumatoide, evoluindo com trombo intracardíaco por complicação de cateter venoso, quando iniciou uso de varfarina. A isquemia progrediu para pés com necessidade de amputações bilaterais. Quirodáctilos também foram acometidos. Trombofilias, vasculites, endocardite ou outras fontes emboligênicas foram pesquisadas e descartadas. Anatomopatológico evidenciou: necrose de pele e partes moles superficiais com trombose arterial recente e calcificação medial de Monckeberg. Tratamento foi instituído com bisfosfonato e tiossulfato de sódio, conversão para hemodiálise e substituição de varfarina por heparina não fracionada. Apesar de toda a terapia, a paciente foi a óbito após quatro meses de evolução. Discussão: A calcifilaxia é uma rara síndrome de calcificação da microvasculatura que resulta em graves lesões isquêmicas. Tem patogênese relacionada ao distúrbio mineral e ósseo da doença renal crônica combinado com o desbalanço entre promotores e inibidores de calcificação vascular, com particular importância ao antagonismo da vitamina K. Conclusão: A estratégia preventiva é fundamental, uma vez que a terapia é complexa e de eficácia pouco validada.

ABSTRACT Introduction: The clinical impact of vascular calcification is well established in the context of cardiovascular morbidity and mortality, but other clinical syndromes, such as calciphylaxis, although less frequent, have a significant impact on chronic kidney disease. Methods: Case report of a 27-year-old woman, who had complained of bilateral pain in her toes for 3 days, with the presence of small necrotic areas in the referred sites. She had a history of type 1 diabetes (25 years ago), with chronic kidney disease, on peritoneal dialysis, in addition to rheumatoid arthritis. She was admitted to the hospital, which preceded the current condition, due to exacerbation of rheumatoid arthritis, evolving with intracardiac thrombus due to venous catheter complications, when she started using warfarin. Ischemia progressed to her feet, causing the need for bilateral amputations. Her chirodactyls were also affected. Thrombophilia, vasculitis, endocarditis or other embolic sources were investigated and discarded. Her pathology report evidenced skin necrosis and superficial soft parts with recent arterial thrombosis, and Monckeberg's medial calcification. We started treatment with bisphosphonate and sodium thiosulfate, conversion to hemodialysis and replacement of warfarin with unfractionated heparin. Despite all the therapy, the patient died after four months of evolution. Discussion: Calciphylaxis is a rare microvasculature calcification syndrome that results in severe ischemic injuries. It has pathogenesis related to the mineral and bone disorder of chronic kidney disease combined with the imbalance between promoters and inhibitors of vascular calcification, with particular importance to vitamin K antagonism. Conclusion: The preventive strategy is fundamental, since the therapy is complex with poorly validated effectiveness.

https://doi.org/10.1590/2175-8239-jbn-2020-0025 258 downloads

Variabilidad de la calidad de lanas en la provincia de Río Negro, Argentina
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GONZALEZ, Ezequiel

; SACCHERO, Diego M.

; EASDALE, M.H.

RIA. Revista de investigaciones agropecuarias

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apr 2021, Volume 47 N. 1 Pages 76 - 81

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

Abstract In the province of Río Negro the production of Merino wool takes place in diverse environmental conditions. In spite of this productive reality, the variability of wool quality at regional scale is unknown. The aim was to determine the parameters that best describe the phenotypic variability of wool quality of establishments located in the province of Río Negro. We used 113 farms located in two natural regions of the province of Río Negro (Western and Eastern Patagonia). We used data from wool samples of Merino sheep of the farms (period 2002-2015) processed by the Laboratorio de Fibras Textiles from the Instituto Nacional de Tecnología Agropecuaria (INTA) Bariloche. This data set was analysed with multivariate techniques (Principal Components). The first factorial analysis of Principal Components explained 60.66% of the variability and the most influential parameters were RP, RT, DMF and MV. The farms of Eastern Patagonia registered wools with higher DMF and MV, compared to those located in Western Patagonia. At the same time, most of the farms of Eastern Patagonia indicated wools with lower percentages of RP and RT. The distribution of the farms in the factorial plane suggested possible associations between some parameters of wool quality and the heterogeneity of the environment, which should be studied with more detail in the future.

Resumen En la provincia de Río Negro la producción de lana Merino se realiza en diversas condiciones ambientales. A pesar de esta realidad se desconoce la variabilidad de la calidad de lana a escala regional. El objetivo de este trabajo fue determinar los parámetros que mejor describan la variabilidad fenotípica de la calidad de lana de establecimientos ubicados en la provincia de Río Negro. Se utilizaron 113 establecimientos ubicados en dos regiones naturales de la provincia de Río Negro (Patagonia Occidental y Oriental). Se analizaron registros de análisis comerciales de los establecimientos (periodo 2002-2015) realizados por el Laboratorio de Fibras Textiles INTA Bariloche de lana Merino y de esquila preparto mediante técnicas de estadística multivariada (Componentes Principales). El primer plano factorial del análisis de Componentes Principales explicó el 60,66% de la variabilidad y los parámetros más influyentes en su formación fueron el RP, RT, DMF y MV. Los establecimientos de la Patagonia Oriental registraron lotes de lana de mayor DMF y MV, respecto de aquellos ubicados en la Patagonia Occidental. A su vez, la mayoría de los establecimientos de la Patagonia Oriental indicaron lotes de lana con menores porcentajes de RP y RT. La distribución de los establecimientos en el plano factorial sugeriría posibles asociaciones entre algunos parámetros de calidad de lana y la heterogeneidad del ambiente los cuales debieran estudiarse con mayor detalle a futuro.

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New Health Sciences Descriptors to classify and retrieve information on equity
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Campos, Ana Cristina Espíndola

; Treuherz, Arthur

; Murasaki, Renato Toshiyuki

; Gonzalez, Diego

; Mújica, Oscar J

Revista Panamericana de Salud Pública

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2021, Volume 45 elocation e78

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

ABSTRACT The Health Sciences Descriptors (DeCS) vocabulary establishes a unique and common language that allows the organization and facilitates the search and retrieval of technical and scientific literature on health available in the information sources of the Virtual Health Library. The DeCS, created by the Latin American and Caribbean Center on Health Sciences Information (BIREME), a specialized center of the Pan American Health Organization/World Health Organization (PAHO/WHO), is the translation and extension of the Medical Subject Headings (MeSH) vocabulary, maintained by the United States National Library of Medicine. BIREME, in coordination with experts from Latin America and the Caribbean, has included in the DeCS the topics of equity, gender, ethnicity and human rights—cross-cutting themes in the programmatic framework of PAHO/WHO technical cooperation—to ensure better retrieval and use of scientific information and evidence related to these topics. The objective of this article is to describe the methodology used during the terminology review of the DeCS and to report the results obtained and the impacts of the terminology expansion in the field of equity, which included the inclusion of 35 new descriptors.

RESUMEN El vocabulario Descriptores en Ciencias de la Salud (DeCS) establece un lenguaje único y común que permite la organización y facilita la búsqueda y recuperación de la literatura técnica y científica en salud disponible en las fuentes de información de la Biblioteca Virtual en Salud. El DeCS, creado por el Centro Latinoamericano y del Caribe de Información en Ciencias de la Salud (BIREME), un centro especializado de la Organización Panamericana de la Salud/Organización Mundial de la Salud (OPS/OMS), es la traducción y la extensión del vocabulario Medical Subject Headings (MeSH), mantenido por la National Library of Medicine de los Estados Unidos. BIREME, en coordinación con expertos de América Latina y el Caribe, ha incluido en el DeCS los temas de equidad, género, etnicidad y derechos humanos —temas transversales en el marco programático de la cooperación técnica de la OPS/OMS— para garantizar una mejor recuperación y uso de la información y evidencia científica relacionadas a estos temas. El objetivo de este artículo es describir el método de revisión terminológica del DeCS e informar los resultados obtenidos y los impactos de la ampliación terminológica en el área de equidad, que comprendió la inclusión de 35 nuevos descriptores.

https://doi.org/10.26633/rpsp.2021.78

Revisores 2021
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Hoffmann, Agustín Freiberg

; Araiza, Alejandra

; Bernal, Alejandro César Luna

; González, Alicia Isabel Migliaro

; Moreno, Amparo

; Malajovich, Ana

; Ramos, Ana Consuelo

; Lacombe, Andrea

; Treichel, Carlos Alberto dos Santos

; Valdiviano, Carlos Bacilio De La Cruz

; Baroni, Cecilia

; Cracco, Cecilia

; López-Steinmetz, Cecilia

; Marotta, Cecilia

; Ball, César Daniel Costa

; Maldonado, Daniela Patricia Ado

; Trías, Daniel

; Mola, Débora

; Loureto, Diego L.

; Hill-Denee, Diti

; Angeriz, Esther

; Ferrer, Fabiana Espíndola

; Rada, Fernando

; Novoa, Gabriela

; Ariza, Gladys Rocio

; Albistur, Gerardo

; Zambrano, Henry Guillén

; Simkin, Hugo

; Oliveira, Isabel C.V. de

; Janeiro, Isabel

; Janer, Jader

; Sánchez, Javier

; Dapueto, Juan

; Ortega, Lenise Maria Ribeiro

; Crespi, Leonardo Peluso

; Funcasta, Lorena

; Furlán, Luis

; Isidório, Marcelo dos Santos

; Nemes, María Ines Baptistella

; Ayan, María Noel Rodriguez

; Brenlla, María Elena

; Civarolo, María Mercedes

; Chavannes, María Ana Folle

; Hidalgo, María Teresa

; Gonzalez, María Julia Morales

; Palermo, Marina Míguez

; Verde, Mario Javier Luzardo

; Ferreira, Mayrla Andrade

; Brunet, Nicolás

; Núñez, Nicolás Gómez

; Correa, Pablo Sebastián

; Garzaniti, Ramiro

; Condeza, Rayen

; Rodrigues, Rogério

; Bustos, Romina

; Saldívar, Rosa María Cueto

; Moncada, Saul

; Marques, Stela

; Oliveira, Sueli Machado Pereira de

; Pribisev-Beleslin, Tamara

; Paz, Valentina

; Gradin, Victoria Beatriz

; Ortuño, Victor E.C.

Psicología, Conocimiento y Sociedad

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2021, Volume 11 N. 3 Pages 139 - 142

Abstract: Es | Text: Es | PDF: Es

https://doi.org/10.26864/pcs.v11.n3.rev

Solitary fibrofolliculoma: a retrospective case series review over 18 years
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Díez-Montero, Cecilia

; Alonso, Miguel Diego

; Marquez, Pilar I. Gonzalez

; Schellini, Silvana Artioli

; Galindo-Ferreiro, Alicia

Arquivos Brasileiros de Oftalmologia

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dec 2020, Volume 83 N. 6 Pages 485 - 489

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

RESUMO Objetivo: o objetivo deste estudo foi relatar uma série de casos de fibrofoliculoma solitário, uma lesão raramente observada nas pálpebras. Demografia, bem como aspectos clínicos e histológicos da lesão foram avaliados. Métodos: Trata-se de uma série de casos retrospectivos, com um período de 18 anos. Todos os pacientes incluídos foram diagnosticados com fibrofoliculoma solitário confirmado por exame histológico. Foram coletados dados referentes à demografia, sinais e sintomas dos pacientes, evolução da doença, localização da lesão, diagnóstico clínico e histológico e desfecho. Resultados: Onze casos de fibrofoliculoma solitário foram diagnosticados no período do estudo. A média de idade dos pacientes de 51 ± 16,3 anos (variação: 27-78 anos). A maioria dos pacientes era do sexo feminino (7/11, 64%). Cinco dos pacientes (45%) eram assintomáticos; quatro (36%) relataram sangramento, um (9%) referiu coceira e um (9%) fricção da lesão. A lesão ocorreu em luma ampla variedade de locais; um deles sendo nas pálpebras. O diagnóstico de todas as lesões foi histológico com base nos achados característicos de um folículo piloso ocasionalmente dilatado e contendo material de queratina, cercado por um manto espesso de tecido fibroso moderadamente bem circunscrito. O epitélio infundibular folicular se estendeu até esse manto fibroso, formando cordões ou cordões epiteliais. Não houve recaídas após exérese. Conclusão: Fibrofoliculoma solitário é uma lesão rara, mais ainda quando afeta as pálpebras. Relatamos 11 casos, e o terceiro relatado até o momento na literatura que afeta as pálpebras. O diagnóstico pode ser facilmente esquecido devido a sintomas inespecíficos e aparência clínica. Portanto, é necessário realizar biópsia excisional e exame histológico para o reconhecimento dessa lesão.

ABSTRACT Purpose: The purpose of this study was to report a series of cases of solitary fibrofolliculoma, a lesion seldom observed in the lids. Demographics, as well as clinical and histological aspects of the lesion were evaluated. Methods: This was a retrospective case series spanning a period of 18 years. All the included patients were diagnosed with solitary fibrofolliculoma confirmed by histological examination. Data regarding patient demographics, signs, and symptoms, course of the disease, location of the lesion, clinical and histological diagnosis, and outcome were collected. Results: Eleven cases of solitary fibrofolliculoma were diagnosed in the study period. The median age of patients was 51 ± 16.3 years (range: 27-78 years). Most patients were females (7/11; 64%). Five of the patients (45%) were asymptomatic; four (36%) reported bleeding, one (9%) had referred itching, and one (9%) rubbing of the lesion. The lesion occurred in a wide range of locations; one of them was located in the lids. The diagnosis for all lesions was histological based on characteristic findings of a hair follicle occasionally dilated and containing keratin material surrounded by a moderately well-circumscribed thick mantle of fibrous tissue. The infundibular follicular epithelium extended out into this fibrous mantle forming epithelial strands or cords. There were no relapses after exeresis. Conclusion: Solitary fibrofolliculoma is a rare lesion, seldom affecting the eyelids. We reported 11 cases, and the third case reported thus far in the literature affecting the lids. Diagnosis may be easily missed due to the nonspecific symptoms and clinical appearance. Therefore, it is necessary to perform excisional biopsy and histological examination for the recognition of this lesion.

https://doi.org/10.5935/0004-2749.20200092 332 downloads

10.

Actualización del catastro de ensamble de moluscos costero-marinos del archipiélago Diego Ramírez (56°31’S), Chile: Un refugio para la economía sustentable y conservación subantártica
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Rosenfeld, Sebastián

; Marambio, Johanna

; Aldea, Cristian

; Rodriguez, Juan Pablo

; Mendez, Fabio

; Gonzalez-Wevar, Claudio

; Gerard, Karin

; Contador, Tamara

; Mackenzie, Roy

; Rozzi, Ricardo

; Mansilla, Andrés

Anales del Instituto de la Patagonia

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dec 2020, Volume 48 N. 3 Pages 113 - 125

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

Abstract: The Diego Ramírez archipelago is the last point of the South-America continent, located in the Drake Passage 112 km SW of Cape Horn. Due to its difficult access, information on the marine biodiversity that inhabits its coasts is still limited. This study presents the first report of the assemblage of coastal marine mollusks in this archipelago. Samples were collected during an expedition to Gonzalo Island during the spring of 2016. During the low tide an exhaustive inspection and collection of mollusks was carried out from the upper intertidal zone to 1 m depth. Records of these collections were complemented with reports from previous expeditions. A total 51 mollusk taxa were identified. Among the identified taxa, 42 mollusk species were new to Diego Ramirez Islands. This work is an updated list record of mollusks of the Diego Ramírez archipelago. It is important to continue investigating and monitoring this archipelago which corresponds to the southern limit of the Magellanic Province and the last South American rocky remnants that face the Drake passage.

Resumen: El archipiélago Diego Ramírez es el último confín del continente Sudamericano y se encuentra ubicado en el Paso Drake, a 112 km al SO del Cabo de Hornos aproximadamente. Debido a su difícil acceso, la información sobre la biodiversidad marina que habita sus costas es todavía limitada. En este estudio se presenta el primer catastro del ensamble de moluscos costero-marinos en este archipiélago, basado en la expedición a isla Gonzalo y en las colectas realizadas en esta isla en la primavera del año 2016. Durante marea baja se efectuó una exhaustiva inspección y colecta de moluscos desde la zona del intermareal superior hasta 1 m de profundidad. Para los análisis, los registros de estas colectas se complementaron con reportes de expediciones anteriores. De esta manera se determinaron 51 taxa de moluscos. Del total de taxa identificados se informan 42 nuevos registros de 42 especies de moluscos para las islas Diego Ramírez. Este estudio corresponde a un catastro actualizado de moluscos del archipiélago Diego Ramírez. Es importante seguir investigando y monitoreando este archipiélago, que corresponde al límite sur de la Provincia Magallánica y a los últimos vestigios rocosos sudamericanos que enfrentan el Paso Drake.

427 downloads

11.

Moderator role of vitamin D concentrations on the association between metabolic syndrome and C-reactive protein among adults
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Fassula, Angelica Scherlowski

; Gonzalez-Chica, David

; Giehl, Marui Corseuil

; Silva, Diego Augusto Santos

; Cembranel, Francieli

; Moreno, Yara Maria Franco

Archives of Endocrinology and Metabolism

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dec 2020, Volume 64 N. 6 Pages 695 - 703

Abstract: En | Text: En | PDF: En

ABSTRACT Objective To evaluate the association between MetS, its components and insulin resistance (IR) with 25(OH)D and hsCRP. The moderator role of 25(OH)D in the association of MetS, its diagnostic components and IR with hsCRP were also explored. Materials and methods A cross-sectional study (2014/2015) with a population-based cohort in Southern Brazil (n = 605). Metabolic syndrome (MetS) diagnosis was defined based on the Joint Interim Statement, while the Homeostasis Model Assessment of insulin resistance (IR) (HOMA-IR) was used for determining IR. Serum concentrations of 25-hydroxy vitamin D [25(OH)D] (ng/mL) and high sensitivity C-reactive protein (hsCRP) (mg/L) were evaluated following standard protocols. 25(OH)D was categorized as sufficiency (>30 ng/mL), insufficiency (20-30 ng/mL) or deficiency (<20 ng/mL) to test its moderator role. Multiple linear regression was used to test the associations. The results were adjusted for possible confounders. Results and discussion Hypertriglyceridemia and IR were associated with lower 25(OH)D concentrations. However, except for systolic blood pressure, other MetS components and IR were associated with higher hsCRP. The association between elevated waist circumference (WC) and hsCRP was moderated by the 25(OH)D concentrations. The hsCRP median concentrations were more than two times higher among those with elevated WC and 25(OH)D insufficiency or deficiency. In this study, inadequate concentrations of 25(OH)D increased the adverse relationship between elevated WC and inflammation. 25(OH)D concentrations could be incorporated into the clinical protocols for monitoring individuals with abdominal obesity to identify those at a higher risk of complications.

https://doi.org/10.20945/2359-3997000000272 549 downloads

12.

Recomendaciones para el cuidado de pacientes con cáncer y neoplasias hematológicas en el estado de pandemia COVID-19 en Colombia
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Ospina-Serrano, Aylen Vanessa

; Abello-Polo, Virginia

; Patino-Escobar, Bonell

; Godoy-Barbosa, Javier Ignacio

; Gonzalez, Jaime

; Idrobo, Henry

; Lopera, Diego

; Martínez-Cordero, Humberto

; Quintero-Ocaris, Mario Fernando

; Segovia, Javier

; Vargas, Carlos

; Yepes, Andrés

Revista Colombiana de Cancerología

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dec 2020, Volume 24 Suppl. 1 Pages 241 - 251

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

Resumen Ante la pandemia COVID 19, declarada en marzo de 2020 por la Organización Mundial de la Salud (OMS), desde la Asociación Colombiana de Hematología y Oncología (ACHO) hemos venido emitiendo comunicaciones destinadas a orientar a los profesionales de la salud implicados en el tratamiento de pacientes hematológicos y oncológicos. Consideramos importante realizar una nueva actualización dada la fase de mitigación de la pandemia que actualmente estamos enfrentando y ante el planteamiento gubernamental de desdescalonamiento progresivo, de la cuarentena. Estas recomendaciones no pretenden imponer una conducta única pues entendemos que cada caso es particular y debe actuarse individualizando a cada situación específica. Están basadas en documentos emitidos por asociaciones científicas oncológicas y hematológicas reconocidas y son susceptibles de sufrir modificaciones a medida que se disponga de mayor información.

Abstract In response to the Covid-19 pandemic, declared in March 2020 by the World Health Organization (WHO), the Colombian Association of Hematology and Oncology (ACHO) has been issuing communications aimed at providing guidance to health professionals involved in the treatment of hematological and oncological patients. Considering the pandemic mitigation phase we are currently facing, and the government's approach to progressively tapering-off the quarantine, we deem it important to release a new update. These recommendations are not intended to impose a single conduct, since we understand that each case has particular characteristics and therefore it must be acted upon by individualizing each specific situation. The recommendations are based on documents issued by well-known cancer and hematological scientific associations, and are subject to change as more information becomes available.

https://doi.org/10.35509/01239015.701 398 downloads

13.

A matrix population model for the hawksbill sea turtle (Eretmochelys imbricata) in the Gulf of Paria, Venezuela
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Balladares, Clemente

; Gonzalez, María Fernanda

; Rodriguez, Diego

Latin american journal of aquatic research

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nov 2020, Volume 48 N. 5 Pages 739 - 748

Abstract: En | Text: En | PDF: En

ABSTRACT Following classical literature in herpetology, we built two five-stage life tables for the endangered hawksbill sea turtle Eretmochelys imbricata in the Gulf of Paria, eastern Venezuela, using data from incidental captures by industrial trawl fisheries from 1991 until 2000, artisanal fisheries effect and regional stranding from 1999 to 2017, and a local conservation project with the nesting females from 2003 to 2018. We estimated the survivorship for the managed, translocated nests, and a portion of the natural in situ nests (≈31%). We used the resultant life graph and matrices to estimate the hawksbills population status in the region and determine differences in population growth rate and elasticity between translocated and in situ nests. Eggs/hatchlings (stage 1) and small juveniles of less than three years old (stage 2), had high mortalities. We controlled stage 1 mortality by translocating nests into a hatchery. The in situ nests suffered almost 88% predation or poaching. Conversely, these non-translocated nests' emergence success was greater than that of managed nests, but overall survivorship was the lower. We propose that fecundity could begin with sub-adults (stage 4) after the 7th year with 60 cm of curved carapace length. Finite rates of increase of both populations, managed and natural, were significantly higher than 1, and that of the managed population is significantly higher than that of the natural one, meaning that both populations would grow and that the managed one would grow faster than the natural one. Then protection of stage 1 is essential to the population of hawksbills in the region, although uncertainties of survivorship of stage 2 and fecundity of stage 4 were not properly confirmed locally. Notwithstanding, elasticity analysis indicated that the population growth rate was more affected by proportional changes in sub-adults and adults' fecundity than any other life-history element.

https://doi.org/10.3856/vol48-issue5-fulltext-2476 420 downloads

14.

Characteristics and Surgical Outcomes in Very Elderly Patients (≥75 years) with Renal Cell Carcinoma: Data from the Latin American Renal Cancer Group
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Garza-Gangemi, Adrián M.

; Castillejos-Molina, Ricardo A.

; Gueglio, Guillermo

; Tobia-Gonzalez, Ignacio P.

; Jurado, Alberto M.

; Meza-Montoya, Luis

; Scorticati, Carlos H.

; Henriques-da-Costa, Walter

; Yandian, Juan

; Ubillos, Luis

; Glina, Sidney

; Tobias-Machado, Marcos

; Rodríguez-Faba, Oscar

; Ameri, Carlos

; Nolazco, Alejandro

; Martinez, Pablo

; Franco Carvalhal, Gustavo

; Bengio, Ruben G.

; Arribillaga, Leandro Cristian

; Langenhin, Raúl

; Muguruza, Diego

; Campos-Salcedo, José G.

; Bravo-Castro, Edgar I.

; Mingote, Pablo A.

; Ginestar, Nicolás

; Autran-Gomez, Ana M.

; Puente, Roberto

; Decia, Ricardo

; Cardoso-Guimarães, Gustavo

; Palou-Redorta, Joan

; Abreu-Clavijo, Diego

; Cassio-Zequi, Stenio de

; Rodriguez-Covarrubias, Francisco T.

Revista de investigación clínica

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oct 2020, Volume 72 N. 5 Pages 308 - 315

Abstract: En | Text: En | PDF: En

Background: The incidence of renal cell carcinoma (RCC) is increasing globally due to an aging population and widespread use of imaging studies. Objective: The aim of this study was to describe the characteristics and perioperative outcomes of RCC surgery in very elderly patients (VEP), ≥ 75 years of age. Methods: This is a retrospective comparative study of 3656 patients who underwent the treatment for RCC from 1990 to 2015 in 28 centers from eight Latin American countries. We compared baseline characteristics as well as clinical and perioperative outcomes according to age groups (<75 vs. ≥75 years). Surgical complications were classified with the Clavien-Dindo score. We performed logistic regression analysis to identify factors associated with perioperative complications. Results: There were 410 VEP patients (11.2%). On bivariate analysis, VEP had a lower body mass index (p < 0.01) and higher ASA score (ASA >2 in 26.3% vs. 12.4%, p < 0.01). There was no difference in performance status and clinical stage between the study groups. There were no differences in surgical margins, estimated blood loss (EBL), complication, and mortality rates (1.3% vs. 0.4%, p = 0.17). On multivariate regression analysis, age ≥75 years (odds ratio [OR] 2.33, p < 0.01), EBL ≥ 500 cc (OR 3.34, p < 0.01), and > pT2 stage (OR 1.63, p = 0.04) were independently associated with perioperative complications. Conclusions: Surgical resection of RCC was safe and successful in VEP. Age ≥75 years was independently associated with 30-day perioperative complications. However, the vast majority were low-grade complications. Age alone should not guide decision-making in these patients, and treatment must be tailored according to performance status and severity of comorbidities. (REV INVEST CLIN. 2020;72(5):308-15)

https://doi.org/10.24875/ric.20000018 141 downloads

15.

Listeria monocytogenes meningoencephalitis in a patient with Systemic Lupus Erythematosus
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Pereira, Maria Eduarda Vilanova da Costa

; Gonzalez, Diego Ennes

; Roberto, Fernanda Badiani

; Foresto, Renato Demarchi

; Kirsztajn, Gianna Mastroianni

; Durão Júnior, Marcelino de Souza

Brazilian Journal of Nephrology

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sep 2020, Volume 42 N. 3 Pages 375 - 379

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

Resumo Introdução: As complicações infecciosas são frequentes no lúpus eritematoso sistêmico. Apesar de incomum, infecções do sistema nervoso central ocorrem e têm significativa letalidade, apresentando diversos agentes etiológicos. Métodos: Descrevemos aqui o caso de uma mulher de 29 anos recentemente diagnosticada com lúpus eritematoso sistêmico com manifestações hematológica, cutânea, serosa e renal (nefrite lúpica classe IV), submetida a pulsoterapia com corticoide e terapia de indução com micofenolato. Após 3 meses de evolução, apresentou quadro de cefaleia e alteração de estado mental. Tomografia computadorizada evidenciou área de hipoatenuação em substância branca frontal esquerda e exame de líquido cefalorraquidiano mostrava pleocitose e hiperproteinorraquia. Cultura de sangue periférico e do liquor identificaram Listeria monocytogenes. Paciente apresentou deterioração do quadro neurológico, necessitando de ventilação mecânica invasiva, monitorização de pressão intracraniana e, apesar de todo o suporte intensivo, persistiu em estado comatoso e disfunção de múltiplos órgãos, evoluindo a óbito por infecção de corrente sanguínea nosocomial. Discussão: Infecção por L. monocytogenes ocorre geralmente após ingestão de alimentos contaminados, manifestando-se por diarreia e, eventualmente, de forma invasiva como a neurolisteriose. Investigação complementar com análise de liquor e ressonância magnética faz-se necessária, sendo o diagnóstico confirmado por isolamento da bactéria em líquido corporal estéril. Conclusão: O caso representa uma paciente cujo diagnóstico de meningoencefalite tornou-se importante diferencial com atividade de doença neuropsiquiátrica. A evolução insatisfatória reforça a necessidade de se lembrar desta condição infecciosa como complicação grave na história natural do LES.

Abstract Introduction: Infectious complications are common in systemic lupus erythematosus. Although uncommon, central nervous system infections do occur and have significant lethality, with several etiological agents. Methods: We report on the case of a 29-year-old woman recently diagnosed with systemic lupus erythematosus with hematological, cutaneous, serous and renal manifestations (class IV lupus nephritis), who underwent corticosteroid pulse therapy and mycophenolate induction therapy. After 3 months of evolution, she developed headache and altered mental status. Computed tomography showed an area of hypoattenuation in the left frontal white matter and her cerebrospinal fluid examination showed pleocytosis and hyperproteinorrhachia. Peripheral blood and CSF culture identified Listeria monocytogenes. The patient presented deterioration of her neurological status, requiring invasive mechanical ventilation, monitoring of intracranial pressure and, despite all the intensive support, persisted in a comatose state and developed multiple organ failure, evolving to death due to nosocomial bloodstream infection. Discussion: Infection from L. monocytogenes usually occurs after eating contaminated food, manifesting itself with diarrhea and, occasionally, invasively, such as neurolisteriosis. Further investigation with CSF analysis and MRI is necessary, and the diagnosis consists of isolating the bacteria in sterile body fluid. Conclusion: The case presents a patient whose diagnosis of meningoencephalitis became an important differential with neuropsychiatric disorder. The poor outcome reinforces the need to remember this infectious condition as a serious complication in the natural history of SLE.

https://doi.org/10.1590/2175-8239-jbn-2019-0212 738 downloads

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