Pesquisa | SciELO

ABSTRACT: Using traditional systematic, phytosociological and multivariate statistical methods, the flora and vegetation of three coastal wetlands of the inland sea were compared: Huildad and Putemum on the big island of Chiloé and Quillaipe in the Gulf of Reloncaví, in Los Lagos Region, Southern Chile. The total flora was composed by 91 plant species, of which 75 of which were native and 16 introduced. From the total also 62 correspond to Dicots, 20 Monocots and 9 Pteridophytes. Woody plants and perennial herbs dominated the biological spectrum. Fifty-six species were terrestrial, 26 marshy, 5 epiphytic, 2 psamophytes and 3 aquatic plants. Seventy species are from non-saline environments, 16 are halophytes and 5 are indifferent. Ferns were found only in Chiloé, with a greater extension of forest vegetation. Native species decrease from South to North and introduced species from North to South, in the same way of woody plants and perennial herbs. Only in Quillaipe helophytes and marsh camephytes were abundant. There was a negative correlation between the number of inhabitants of the nearest city and the number of plant species. The floristic similarity between wetlands was very low. Five plant formations were distinguished: forests, scrubs, prairie, freshwater streams and marshes. In the three wetlands, a total of 16 plant associations were identified, with only 2 common to them, so there was also a low vegetation similarity. Eleven associations were primary, 4 secondary and 1 tertiary (Ulexeuropaeusscrub). In general, the wetlands studied are less diverse in flora and vegetation than those in the open sea and further north, in Chile.

RESUMEN: Con metodologías de sistemática tradicional, fitosociológica y estadística multivariada se comparó la flora y la vegetación de tres humedales costeros de mares interiores: Huildad y Putemum en la isla grande de Chiloé y Quillaipe en el Golfo de Reloncaví, en la Región de Los Lagos, en el Sur de Chile. La flora total de ellos está formada por 91 especies de las cuales, 75 son nativas y 16 introducidas. También a ella pertenecen 62 Dicotiledóneas, 20 Monocotiledóneas y 9 Pteridófitos. En el espectro biológico dominan plantas leñosas y hierbas perennes. Cincuenta y seis especies son terrestres, 26 palustres, 5 epifíticas, 2 psamófitas y 3 plantas acuáticas (hidrófitos). Setenta especies son de ambientes no salinos, 16 son halófilos y 5 indiferentes. Helechos se encontraron sólo en Chiloé, con una mayor extensión de vegetación boscosa. Las especies nativas disminuyen de sur a norte y las introducidas de norte a sur, de la misma manera se comportan las plantas leñosas y las hierbas perennes. Sólo en Quillaipe abundaron los helófitos (plantas palustres) y caméfitos de marismas. Se presentó una correlación negativa entre número de habitantes de la ciudad más cercana con el número de especies presentes. La similitud florística entre humedales es muy baja. Se distinguieron 5 formaciones vegetales: bosques, matorrales, praderas, arroyos dulciacuícolas y marismas. En los tres humedales se presentaron en total 16 asociaciones vegetales de las cuales sólo 2 son comunes a ellos, por lo que también se presentó baja similitud vegetacional. Once asociaciones son primarias, 4 secundarias y 1 terciaria (matorral de Ulex europaeus). En general, los humedales estudiados son menos diversos en flora y vegetación que los del mar abierto y de más al norte, en Chile.

https://doi.org/10.22352/aip202351001

Impact of COVID-19 on quality of life in Peruvian older adults: construct validity, reliability and invariance of the COV19—Impact on Quality of Life (COV19-QoL) measurement
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Caycho-Rodríguez, Tomás

; Carbajal-León, Carlos

; Vilca, Lindsey W.

; Reyes-Bossio, Mario

; Gallegos, Miguel

; Esteban, Renzo Carranza

; Noe-Grijalva, Martin

; Gallegos, Walter L. Arias

; Delgado-Campusano, Mariel

; Muñoz-del-Carpio-Toia, Águeda

Psicologia: Reflexão e Crítica

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2023, Volume 36 elocation 13

Resumo: En | Texto: En | PDF: En

Abstract The aim of the present study was to translate into Spanish and evaluate the psychometric evidence of the Impact on Quality of Life (COV19-QoL) applied to a sample of Peruvian older adults ( N = 298; 58.1% women, 41.9% men, mean age 65.34 years [SD = 11.33]). The study used techniques from the Classical Test Theory (CTT) and Item Response Theory (IRT). The findings confirmed the single factor structure of the COV19-QoL, high internal consistency reliability, measurement invariance by gender, and all items demonstrated adequate discrimination and difficulty indices. In this sense, the items allow adequate discrimination between low, medium and high levels of the impact of the COVID-19 pandemic on quality of life. In addition, a greater perceived impact of the pandemic on quality of life is necessary to answer the higher response options of the COV19-QoL. In conclusion, the COV19-QoL is a valid measurement scale of the impact of the COVID-19 pandemic on the quality of life of Peruvian older adults.

https://doi.org/10.1186/s41155-023-00256-0

José Miguel Infante. ¿Apóstol del desorden o de la libertad?
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Infante Martin, Javier

Revista de estudios histórico-jurídicos

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2023, Nº 45 Páginas 451 - 479

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

Abstract This work intents to revisit the role that José Miguel Infante played during the Chilean process of Independence and later republican formation. We will review the bibliography on the subject and starting there we will try to reconstruct his public life. The result will be a reconsideration of his role as a founding father in Chilean history.

Resumen El objetivo del presente trabajo es presentar una revisión del papel que el tribuno José Miguel Infante desempeñó durante el momento de la independencia y posterior formación de la república. Para ello se revisará la escasa bibliografía que sobre él existe, y se intentará reconstruir su vida y obra a partir de las fuentes, tanto documentales como de archivo. El resultado que se pretende es rescatar la figura de un prócer que, a nuestro parecer, ha sido injustamente tratado por la historiografía.

HEMATOPOIETIC STEM CELL TRANSPLANTATION AND CROHN’S DISEASE: POSITION PAPER FROM THE TRANSPLANTATION COMMITTEE OF THE BRAZILIAN GROUP FOR THE STUDY OF INFLAMMATORY BOWEL DISEASES (GEDIIB)
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RUIZ, Milton Artur

; PARRA, Rogério Serafim

; ZABOT, Gilmara Pandolfo

; ANDRADE, Adriana Ribas

; PIRON-RUIZ, Lilian

; FONSECA-HIAL, Ana Marcela Rojas

; MARTIN, Eloisa Moreira

; PINHO, Tainara Souza

; QUADROS, Luiz Gustavo de

; KAISER JUNIOR, Roberto Luiz

; PARENTE, José Miguel Luz

Arquivos de Gastroenterologia

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Dez 2022, Volume 59 Nº 4 Páginas 462 - 477

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

ABSTRACT Crohn’s disease (CD) is a relapse-remitting inflammatory bowel disease that can affect any part of the digestive system. This heterogeneous disease has multiple factors that contribute to an abnormal immune response to intestinal microorganisms. Treatment is based on the use of anti-inflammatories, corticosteroids, immunosuppressants and biologic biologic agents either alone or in combination. Surgical treatment is usual and, ten years after diagnosis, more than 80% of patients report having undergone surgical procedures related to the disease. Unfortunately, none of the treatments described offer a cure, and many cases become refractory or without therapeutic options. In this scenario, hematopoietic stem cell transplantation has been suggested because clinical remission was obtained in patients who had CD associated with malignant hematological diseases and an alternative since the first reports in 2010. In this report, the Transplantation Committee of the Brazilian Group for the Study of Inflammatory Bowel Diseases reviews the history and results of the procedure in patients with CD, detailing and discussing the various relevant points that permeate hematopoietic stem cell transplantation and cell therapy in this disease.

RESUMO A doença de Crohn (DC) é uma doença inflamatória intestinal (DII) recidivante recorrente que pode afetar qualquer parte do sistema digestivo. É doença heterogênea e possui múltiplos fatores que contribuem para uma resposta imune anormal aos microrganismos intestinais. O tratamento baseia-se no uso de anti-inflamatórios, corticosteroides e imunossupressores e imunobiológicos que são utilizados isoladamente ou em combinação. O tratamento cirúrgico é frequente e 10 anos após o diagnóstico, mais de 50% dos pacientes relatam terem sido submetidos a procedimentos cirúrgicos relacionados à doença. Infelizmente, nenhum dos tratamentos descritos oferece cura, e inúmeros casos tornam-se refratários ou sem opções terapêuticas. Nesse cenário, o transplante de células-tronco hematopoéticas (TCTH) em decorrência da remissão clínica de pacientes que apresentavam DC associada a doenças hematológicas malignas, passou a ser alternativa desde os primeiros resultados em 2010. Neste relato, a Comissão de Transplantes do Grupo Brasileiro de Estudo das Doenças Inflamatórias Intestinais revisa a história e os resultados do procedimento em pacientes com DC, detalhando e discutindo os diversos pontos relevantes que permeiam o TCTH e a terapia celular no tratamento da moléstia.

https://doi.org/10.1590/s0004-2803.202204000-83

Estudio del comportamiento de especies vegetales en un proceso de fitoestabilización para remediación de suelo contaminado por jal minero abandonado
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Reyna-Nájera, Diana Nalleli

; Cortés-Palacios, Leonor

; Sandino-Aquino de Los Ríos, Gilberto

; Martínez-Salvador, Martin

; Rodríguez-Vázquez, Luis Miguel

Epistemus (Sonora)

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Jun 2022, Volume 16 Nº 32 elocation 08

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

ABSTRACT The objective of the study was to evaluate the phytoremediation potential of eight native plants sown with the support of amendments, on the mine tailings from the La Prieta mine in Parral, Chihuahua, Mexico, to phytostabilize heavy metals and metalloid-As in their roots. The concentration of the elements, in the aerial part, root, and soil, was determined following the criterial established by the NOM-147-SEMARNAT/SSA1-2004 standard. The species S. macrostachya and S. aireoides showed the highest copper concentrations with values between 150 and 400 mg/kg, whereas in the rest of the species ranged between 50 and 380 mg/kg. The species S. aireoides, A. Canescens, S. Daysilirium, and S. Macrostachia presented phytostabilization potential by showing Translocation Factor values <0.5, for As, Cu, Pb, and Zn. The species were adapted to the in situ experiment, showing tolerance to heavy metals, metalloid, and potential for phytostabilization.

RESUMEN El objetivo del estudio fue evaluar el potencial fitorremediador de ocho plantas nativas sembradas con apoyo de enmiendas, sobre el jal de la mina La Prieta en Hidalgo del Parral, Chihuahua, México, para fitoestabilizar los metales pesados y metaloide-As en sus raíces. La concentración de los elementos, en la parte aérea, raíz y suelo, se determinó siguiendo los criterios establecidos por la Norma NOM-147-SEMARNAT/SSA1-2004. Las especies S. macrostachya y S. aireoides mostraron las mayores concentraciones de cobre con valores entre 150 y 400 mg/kg, mientras que las demás especies oscilaron con valores entre 50 y 380 mg/kg. Las especies S. aireoides, A. Canescens, S. Daysilirium y S. Macrostachia presentaron potencial de fitorremediación al mostrar valores de Factor Traslocación <0.5 para As, Cu, Pb y Zn. Las especies antes mencionadas se adaptaron al experimento in situ, mostrando tolerancia a los metales pesados, metaloide y potencial de fitoestabilización.

https://doi.org/10.36790/epistemus.v16i32.197 70 downloads

Low molecular weight heparin is useful in adult COVID-19 inpatients. Experience during the first Spanish wave: observational study
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Gonzalez-Porras, Jose Ramon

; Belhassen-Garcia, Moncef

; Lopez-Bernus, Amparo

; Vaquero-Roncero, Luis Mario

; Rodriguez, Beatriz

; Carbonell, Cristina

; Azibeiro, Raul

; Hernandez-Sanchez, Alberto

; Martin-Gonzalez, Jose Ignacio

; Manrique, Juan Miguel

; Alonso-Claudio, Gloria

; Alvarez-Navia, Felipe

; Madruga-Martin, Jose Ignacio

; Macias-Casanova, Ronald Paul

; García-Criado, Jorge

; Lozano, Francisco

; Moyano, Jose Carlos

; Sanchez-Hernandez, Miguel Vicente

; Sagredo-Meneses, Víctor

; Borras, Rafael

; Bastida, Jose María

; Hernández-Pérez, Guillermo

; Chamorro, Antonio Javier

; Marcos, Miguel

; Martin-Oterino, Jose Angel

Sao Paulo Medical Journal

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Fev 2022, Volume 140 Nº 1 Páginas 123 - 133

Resumo: En | Texto: En | PDF: En

ABSTRACT BACKGROUND: The intensity of the thromboprophylaxis needed as a potential factor for preventing inpatient mortality due to coronavirus disease-19 (COVID-19) remains unclear. OBJECTIVE: To explore the association between anticoagulation intensity and COVID-19 survival. DESIGN AND SETTING: Retrospective observational study in a tertiary-level hospital in Spain. METHODS: Low-molecular-weight heparin (LMWH) status was ascertained based on prescription at admission. To control for immortal time bias, anticoagulant use was analyzed as a time-dependent variable. RESULTS: 690 patients were included (median age, 72 years). LMWH was administered to 615 patients, starting from hospital admission (89.1%). 410 (66.7%) received prophylactic-dose LMWH; 120 (19.5%), therapeutic-dose LMWH; and another 85 (13.8%) who presented respiratory failure, high D-dimer levels (> 3 mg/l) and non-worsening of inflammation markers received prophylaxis of intermediate-dose LMWH. The overall inpatient-mortality rate was 38.5%. The anticoagulant nonuser group presented higher mortality risk than each of the following groups: any LMWH users (HR 2.1; 95% CI: 1.40-3.15); the prophylactic-dose heparin group (HR 2.39; 95% CI, 1.57-3.64); and the users of heparin dose according to biomarkers (HR 6.52; 95% CI, 2.95-14.41). 3.4% of the patients experienced major hemorrhage. 2.8% of the patients developed an episode of thromboembolism. CONCLUSIONS: This observational study showed that LMWH administered at the time of admission was associated with lower mortality among unselected adult COVID-19 inpatients. The magnitude of the benefit may have been greatest for the intermediate-dose subgroup. Randomized controlled trials to assess the benefit of heparin within different therapeutic regimes for COVID-19 patients are required.

https://doi.org/10.1590/1516-3180.2021.0098.r1.08062021

SOIL CHARACTERISTICS AND SALICYLIC ACID SUPPLEMENTATION IN CASTOR BEAN (Ricinus communis L.) OIL PRODUCTION
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Vázquez-Martínez, Blanca Edna

; Zavala-Gómez, Carlos Eduardo

; Ramos-López, Miguel Angel

; Vela-Correa, Gilberto

; Flores-Macías, Antonio

; González-Chávez, Marco Martin

; Campos-Guillen, Juan

; Soto-Muñoz, Lourdes

; Valencia-Hernández, Juan Antonio

; Rodriguez-Morales, José Alberto

; Feregrino-Pérez, Ana Angélica

; Zavala, Gerardo Antonio

Chilean journal of agricultural & animal sciences

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2022, Volume 38 Nº 1 Páginas 84 - 93

Resumo: En | Texto: En | PDF: En

ABSTRACT Castor bean (Ricinus communis L.) is an oleaginous plant of economic importance due to its different industrial applications. Edaphic characteristics are used to determine the viability of places considered as suitable to obtain castor oil. The objectives of this study were to determine the edaphic characteristics and oil content of R. communis, and to evaluate elicitation with salicylic acid (SA) in El Marqués, Querétaro, Mexico. Sampling was carried out in a direct way, selecting sites where castor bean plants were found. Samples of 1.5 kg of soil were taken and 3 clusters of castor bean in a mature state were collected from 21 accessions. The physicochemical characteristics of the soil and oil content of seeds were determined. Finally, 300 plants of the Guanajuatoil variety were planted and elicitated with different SA concentrations under greenhouse conditions in order to determine oil content. The physical analysis of the soil samples indicated dark-colored soils, Mollisol and Vertisol types, with different textures: clay, clay loam, sandy clay loam and sandy loam. Soil chemical analyses showed the following soil characteristics: pH 7.22; electrical conductivity 0.52 dS m-1; organic matter 7.17%; cation exchange capacity 26.77; calcium 38.62, magnesium 6.81, sodium 13.41and potassium 6.97 cmol kg-1; and nitrogen and phosphorus contents of 16.32 and 54 mg kg-1, respectively. Castor oil content was higher in clay soils (41.46%). The plants elicited with SA presented oil contents ranging from 28.99% to 52.9%, obtained with 100 and 900 ^M. In conclusion, elicitation with SA is an adequate method to increase oil content in castor bean seeds. The locality of El Marqués has good potential for the production of castor oil.

https://doi.org/10.29393/chjaas38-8scbg120008 5 downloads

Maxiclavella and Praeclavella (Siphonostomatoida: Lernaeopodidae) new genera confirmed by molecular and morphological evidence
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CASTRO-ROMERO, RAUL

; MONTES, MARTIN MIGUEL

; MARTORELLI, SERGIO

Anais da Academia Brasileira de Ciências

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2022, Volume 94 Nº 4 elocation e20200992

Resumo: En | Texto: En | PDF: En

Abstract The new genus Maxiclavella is proposed to accommodate Clavella simplex Castro Romero and Baeza Kuroki, 1985, which differs from Clavella species, including long and narrow cephalothorax, small bulla, and simple armature of the antenna and antennule. Praeclavella nasalis, new genus and species, was found parasitizing the olfactory sacs of Isacia conceptionis. Praeclavella nasalis could be differentiated from other Clavella species by a biramous antenna with an exopod shorter than the endopod, the base of the cephalothorax with a large lobular and suborbicular projection on each side, a suborbicular bulla, mandibles without secondary teeth, and a suboval male body type. Males of both genera fit well in the Clavella-clade male type, although they differ from each other in many aspects, mainly in the position of the buccal area, which is oriented ventrally in Maxiclavella and distally in Praeclavella nasalis, and in a genital process, which is present in the latter and absent in the former. Genetic distances of mtDNA COI and 28S rDNA supported the validity of the two new genera parasitizing the same host, I. conceptionis. Also Clavella-branch (Clavellinae Wilson), a key based genera on female specimens is presented.

https://doi.org/10.1590/0001-3765202220200992

La intervención psicosocial mediada por la subjetividad en la práctica clínica del apoyo social
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Toledo Méndez, Miguel Angel

; Ramos Cuellar, Saily

; Aneiros Martin, Roxany

Medicentro Electrónica

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Dez 2021, Volume 25 Nº 4 Páginas 740 - 748

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

ABSTRACT Social support constitutes a strategy that reveals convergences between professional practice related to social psychology and clinical practice that interrelates individual health care with the conditions of the family and social environment; however, recent studies carried out at the international and national contexts that contribute to the systematization of intervention strategies based on social support, reflect deficiencies conditioned by theoretical-methodological gaps in the absence of the psychosocial approach that they require. The objective of this communication was to synthesize the psychosocial approach that the clinical practice of social support requires; therefore, the description of the links between the categories of social and individual subjectivity, psychological meanings, subjective mediations, individually and socially was indispensable. The author concludes that the psychosocial intervention in the clinical practice of social support requires an active-transforming subjective mediation with dialogue and reflection.

RESUMEN El apoyo social constituye una estrategia que revela convergencias entre el ejercicio profesional afín a la Psicología social y la práctica clínica que interrelaciona la atención individual de salud con las condiciones del ambiente familiar y social; sin embargo, estudios recientes efectuados en los ámbitos internacional y nacional, los cuales contribuyen a la sistematización de estrategias de intervención basadas en la práctica clínica del apoyo social, reflejan carencias condicionadas por brechas teórico-metodológicas ante la ausencia del enfoque psicosocial que estas requieren. El objetivo de esta comunicación fue sintetizar el enfoque psicosocial que precisa la práctica clínica del apoyo social. Resultó indispensable la descripción de los nexos entre: las categorías subjetividad social e individual, sentidos subjetivos, mediaciones por la subjetividad, sujeto individual y sujeto social. Se concluyó que la intervención psicosocial en la práctica clínica del apoyo social requiere una mediación subjetiva activo-transformadora permeada de diálogo y reflexión.

10.

Guía de práctica clínica para el tratamiento farmacológico inicial de nefritis lúpica en el Seguro Social del Perú (EsSalud)
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Ugarte-Gil, Manuel Francisco

; Goicochea-Lugo, Sergio

; Romero-Robles, Milton A.

; Ortiz-Benique, Zhamanda N.

; Ugaz-Zagarra, Milko

; Rodríguez-Mori, Juan E.

; Gomez-Lujan, Martin

; Gutierrez-Vargas, Mirella

; Lumbe-Diaz, Vidia

; Guevara-Rodríguez, Luis

; De la Jara, Jesús

; Perez-Medina, Wilkerson

; Huamanyauri-Saavedra, Paolo

; Hostia-Cardeña, Alvaro

; Sottec-Roque, Valentin

; Vilca-Flores, Miguel

; Vargas-Marquez, Sandra

; Delgado-Flores, Carolina J.

; García-Gomero, David

; Dolores-Maldonado, Gandy

; Taype-Rondan, Alvaro

; Salvador-Salvador, Stefany

; Carrera-Acosta, Lourdes

Revista del Cuerpo Médico Hospital Nacional Almanzor Aguinaga Asenjo

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Dez 2021, Volume 14 Nº 4 Páginas 523 - 534

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

Abstract Introduction: This article summarizes the clinical practice guideline (CPG) for the initial pharmacological treatment of lupus nephritis in the Social Security of Peru (EsSalud). Objective: To provide evidence-based clinical recommendations for initial pharmacological treatment of non-refractory adults with class I to V lupus nephritis in EsSalud. Methods: A guideline development group (GDG) was formed, which included specialist physicians and methodologists, who formulated clinical questions. Systematic searches were conducted for systematic reviews and - when deemed relevant - primary studies in PubMed during 2021. Evidence was selected to answer each of the clinical questions posed. The certainty of evidence was assessed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) methodology. In periodic working meetings, the GEG used the GRADE methodology to review the evidence and formulate recommendations. The CPG was reviewed by external experts before its approval. Results: The CPG addressed 6 clinical questions, divided into 2 topics: initial treatment of the induction and maintenance phase. Based on these questions, 11 recommendations were formulated (all conditional), 22 points of good clinical practice, and 2 flow charts. Conclusion: Evidence-based recommendations were issued for the management of patients with this pathology.

Resumen Introducción: El presente artículo resume la guía de práctica clínica (GPC) para el tratamiento farmacológico inicial nefritis lúpica en el Seguro Social del Perú (EsSalud). Objetivo: Proveer recomendaciones clínicas basadas en evidencia para tratamiento farmacológico inicial de adultos con nefritis lúpica clase I a V no refractarios en EsSalud. Métodos: Se conformó un grupo elaborador de la guía (GEG) que incluyó médicos especialistas y metodólogos, el cual formuló preguntas clínicas. Se realizaron búsquedas sistemáticas de revisiones sistemáticas y -cuando fue considerado pertinente- estudios primarios en PubMed durante el 2021. Se seleccionó la evidencia para responder cada una de las preguntas clínicas planteadas. Se evaluó la certeza de evidencia usando la metodología Grading of Recommendations Assessment, Development, and Evaluation (GRADE). En reuniones de trabajo periódicas, el GEG usó la metodología GRADE para revisar la evidencia y formular las recomendaciones. La GPC fue revisada por expertos externos antes de su aprobación. Resultados: La GPC abordó 6 preguntas clínicas, divididas en 2 temas: tratamiento inicial de la fase de inducción y mantenimiento. En base a dichas preguntas se formularon 11 recomendaciones (todas condicionales), 22 puntos de buena práctica clínica, y 2 flujogramas. Conclusión: Se emitieron recomendaciones basadas en evidencia para el manejo de pacientes con esta patología.

https://doi.org/10.35434/rcmhnaaa.2021.144.1461

11.

Ecuaciones alométricas para estimar carbono en brinzales de Pinus hartwegii Lindl.
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Martínez Luna, José Efraín

; Carrillo Anzures, Fernando

; Acosta Mireles, Miguel

; Romero Sánchez, Martin Enrique

; Pérez Miranda, Ramiro

Revista mexicana de ciencias forestales

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Ago 2020, Volume 11 Nº 60 Páginas 144 - 160

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

Abstract High mountain forests provide essential ecosystem services, the most important of which is the storage of carbon dioxide (CO2), one of the leading greenhouse gases (GHG) which cause global warming. Quantifying CO2 in this kind of ecosystems would help to understand how they work and how they help to mitigate climate change. The aim of this study was to adjust the allometric equations for Pinus hartwegii in reforestation plantations in the Izta-Popo National Park using variables of easy measurement to relate them to biomass; these variables were base diameter, total height and height to the first live branch. For this, 90 seedlings were selected and the biomass of each one was calculated, as well as the biomass of each component: foliage, branches, stem and root. Carbon content was calculated to determine the amount of this element captured in the seedlings. The resulting equation for the diameter at the base was B=0.0092*DB 2.7226, with a coefficient of determination of R 2=0.9521. The equation for the total height was B=0.7546*h T 2.5819, with a coefficient of determination of R 2 = 0.8644. The height variable at the first live branch obtained a low coefficient of determination, R 2=0.3203. The average accumulated carbon for the seedlings of this study was 50.81 %.

Resumen Los bosques de alta montaña ofrecen importantes servicios ecosistémicos de los cuales destaca el almacenamiento de bióxido de carbono (CO2), uno de los principales gases de efecto invernadero causantes del calentamiento global. Cuantificar el CO2 en este tipo de ecosistemas ayudaría a entender cómo funcionan y cómo contribuyen a la mitigación del cambio climático. El objetivo de este trabajo fue ajustar las ecuaciones alométricas para Pinus hartwegii en plantaciones de reforestación en el Parque Nacional Izta-Popo Zoquiapan. Las variables utilizadas fueron diámetro de la base, altura total y altura a la primera rama viva para relacionarlas con la biomasa. Se seleccionaron 90 brinzales y se calculó la biomasa de cada uno, así como la biomasa por componente: follaje, ramas, tallo y raíz. Se estimó el contenido de carbono para determinar la cantidad de este elemento capturado en los propios brinzales. Las ecuaciones resultantes para el diámetro a la base fue B=0.0092*DB 2.7226, con un coeficiente de determinación de R 2= 0.9521; y para la altura total fue de B=0.7546*h T 2.5819, con un coeficiente de determinación de R 2= 0.8644. La variable de altura a la primera rama viva obtuvo un coeficiente de determinación bajo, R 2= 0.3203. El contenido de carbono promedio para los brinzales fue de 50.81 %.

https://doi.org/10.29298/rmcf.v11i60.726 404 downloads

12.

Gestación en tiempos de pandemia COVID-19. Hospital Nacional Docente Madre Niño San Bartolomé, Lima, Perú
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Vera Loyola, Edy Martin

; Montenegro Cruz, Ivan

; Cruzate Cabrejos, Vicente

; Marcelo Pacheco, Humberto

; Arce Benitez, Miguel

; Pelaez Chomba, Melissa

Revista Peruana de Ginecología y Obstetricia

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Jul 2020, Volume 66 Nº 3 elocation 00003

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

ABSTRACT Introduction: COVID-19 and pregnancy is a new intercurrence in risk assessment for the care of the pregnant woman. Since the beginning of the pandemic in the country, cases have been increasing. The first case attended at the San Bartolomé Hospital was on April 12. Since the first reports of COVID+ pregnant women in China, to date, there is more important information on epidemiology and perinatal results for the management of the COVID+ pregnant woman. Objective: To determine the epidemiology and maternal perinatal outcomes of COVID-19 in pregnant women at the Hospital Nacional Docente Madre Niño San Bartolomé, Lima, Peru. Methods: Observational cross-sectional study, from April to July 2020. All the pregnant women who arrived at the obstetric emergency at Hospital San Bartolomé were included, and they underwent an immunochromatography test for IgM / IgG, to determine the seroprevalence of COVID-19. Obstetric and perinatal variables were collected in a data sheet upon admission to the emergency room. Results: Rapid test for SARS-CoV-19 was performed in 345 pregnant women who were hospitalized for delivery care. The average age was 27 years, with 10% adolescents and 16% over 35 years; 60% had 2 to 4 pregnancies, 38% of deliveries were vaginal, 15% of them preterm; 1.2% of the pregnant women were symptomatic and 0.2% were admitted to the intensive care unit. 61% of the newborns weighed between 2 500 and 3 500 g, 53% were male, 94% had an Apgar score greater than 7 at one minute, 3.3% with a positive swab within the first 24 hours. There were 3% fetal deaths. 48% of the pregnant women came from the Northern Cone of the city of Lima. Conclusions: Almost 100% of the pregnant women were asymptomatic and only 0.2% had respiratory complications. The mode of delivery by cesarean section was low in relation to other publications, all had obstetric indication. A small number of neonates had a positive swab. There was a higher incidence of fetal deaths in July 2020. The highest percentage of patients came from the Northern Cone of Lima.

RESUMEN Introducción . El COVID-19 y la gestación es una nueva intercurrencia en la valoración de riesgos para la atención de la gestante. Desde el inicio de la pandemia en el país, los casos han ido en aumento. El primer caso atendido en el Hospital San Bartolomé fue el 12 de abril. Desde los primeros reportes de gestantes COVID+ en China, a la fecha, se tiene cada vez mayor información, siendo importante para fines del manejo de la gestante COVID+ que se conozca su epidemiología y los resultados perinatales. Objetivo . Determinar la epidemiología y resultados materno perinatales de COVID-19 en las gestantes del Hospital Nacional Docente Madre Niño San Bartolomé, Lima, Perú. Método . Estudio observacional de corte transversal, en los meses de abril a julio 2020. Se incluyó a todas las gestantes que llegaron a la emergencia obstétrica del Hospital San Bartolomé, a las cuales se les realizó una prueba de inmunocromatografía para IgM/IgG, para determinar la seroprevalencia de COVID-19. Las variables obstétricas y perinatales fueron recolectadas en una ficha de datos al ingreso a la emergencia. Resultados . Se realizó prueba rápida para SARS-CoV-19 a 345 gestantes que se hospitalizaron para atención de parto. La edad promedio fue 27 años, con 10% de adolescentes y 16% de mayores de 35 años; 60% tenía 2 a 4 embarazos, 38% de los partos fue vaginal, 15% de ellos pretérmino; 1,2% de las gestantes fue sintomática y 0,2% ingresó a la unidad de cuidados intensivos. El 61% de los recién nacidos pesó entre 2 500 y 3 500 g, 53% fue sexo masculino, 94% tuvo Apgar mayor de 7 al minuto, 3,3% con hisopado positivo dentro de las primeras 24 horas. Se presentaron 3% de óbitos. El 48% de las gestantes provino del Cono Norte de la ciudad de Lima. Conclusiones . Casi 100% de las gestantes fue asintomática y solo 0,2% tuvo complicaciones respiratorias. La culminación del parto por vía cesárea fue baja en relación a otras publicaciones; el motivo de cesárea fue por indicación obstétrica. Escaso número de neonatos tuvo hisopado positivo. Hubo mayor incidencia de óbitos en julio 2020. El mayor porcentaje de pacientes provino del Cono Norte de Lima. Palabras clave. Embarazo, Infecciones por coronavirus, SARS-CoV-19, COVID-19, óbito fetal, Lima, Perú.

https://doi.org/10.31403/rpgo.v66i2265

13.

First record of Mermithid nematodes parasitizing leafhoppers in South America
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Rusconi, José Matias

; Soledad Defea, Bárbara

; Montes, Martin Miguel

; Achinelly, Maria Fernanda

Caldasia

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Jun 2020, Volume 42 Nº 1 Páginas 147 - 149

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

RESUMEN Se encontraron nematodos de la familia Mermithidae parasitando ninfas y adultos de Hortensia similis (Auchenorryncha: Cicadellidae). Los especímenes hospedadores fueron recolectados en malezas asociadas a huertos de cítricos ubicados en la provincia de Corrientes, Argentina, durante un estudio de biodiversidad en 2015. Hasta donde sabemos, este es el primer ejemplo de chicharritas parasitadas por un mermítido en Sudamérica.

ABSTRACT Nematodes of the family Mermithidae were found parasitizing adults and nymphs of the species Hortensia similis (Auchenorryncha: Cicadellidae). The host specimens were collected from weeds associated to citrus orchards located in Corrientes, Argentinean province, during a biodiversity study in 2015. As far as we know, this is the first South American example of leafhoppers parasitized by mermithids.

https://doi.org/10.15446/caldasia.v42n1.73601 243 downloads

14.

Producción de la proteína recombinante Gp-41 (VIH-1) en E.coli: Efecto del campo magnético
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Narciandi-Díaz, Ramón Emilio

; Rivera-Martin, Juan Miguel

Revista Cubana de Química

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Abr 2020, Volume 32 Nº 1 Páginas 3 - 19

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

ABSTRACT The influence of the extremely low frequency electromagnetic field was studied in a fed batch culture of Escherichia coli (E.coli), developed for the production of the recombinant Gp-41 protein of human immunodeficiency virus type 1 (HIV-1). An electromagnet, which generates non-homogeneous magnetic fields, was used, at a constant induction value of 0.055 Tesla, and exposure time of 6, 5 h. With the application of the magnetic field, a 1,2-fold increase in volumetric production (320 mg / L) and 1,5 times in process productivity (30 mg / L) were obtained. At the same time, acetate production decreased 20 times to values of 0, 47 g / L, while the expression level of Gp-41 protein increased to 10 %.

RESUMEN La influencia del campo electromagnético de extrema baja frecuencia fue estudiada en un cultivo incrementado de Escherichia coli (E.coli), desarrollado para la producción de la proteína recombinante Gp-41 del virus de inmunodeficiencia humana tipo 1 (VIH-1). Fue utilizado un electroimán, que genera campos magnéticos no homogéneos, con un valor de inducción constante de 0, 055 Tesla (550 G), y un tiempo de exposición de 6,5 h. Con la aplicación del campo magnético se obtuvo un incremento de 1,2 veces la producción volumétrica (320 mg/L) y 1,5 veces en la productividad del proceso (30 mg/L.h). Al mismo tiempo, disminuyó 20 veces la producción de acetato hasta valores de 0,47 g/L, mientras que el nivel de expresión de la proteína Gp-41 se incrementó a 10 %.

15.

Posicionamento Brasileiro sobre Hipertensão Arterial Resistente – 2020
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Yugar-Toledo, Juan Carlos

; Moreno Júnior, Heitor

; Gus, Miguel

; Rosito, Guido Bernardo Aranha

; Scala, Luiz César Nazário

; Muxfeldt, Elizabeth Silaid

; Alessi, Alexandre

; Brandão, Andrea Araújo

; Moreira Filho, Osni

; Feitosa, Audes Diógenes de Magalhães

; Passarelli Júnior, Oswaldo

; Souza, Dilma do Socorro Moraes de

; Amodeo, Celso

; Barroso, Weimar Kunz Sebba

; Gomes, Marco Antônio Mota

; Paiva, Annelise Machado Gomes de

; Barbosa, Eduardo Costa Duarte

; Miranda, Roberto Dischinger

; Vilela-Martin, José Fernando

; Nadruz Júnior, Wilson

; Rodrigues, Cibele Isaac Saad

; Drager, Luciano Ferreira

; Bortolotto, Luiz Aparecido

; Consolim-Colombo, Fernanda Marciano

; Sousa, Márcio Gonçalves de

; Borelli, Flávio Antonio de Oliveira

; Kaiser, Sérgio Emanuel

; Salles, Gil Fernando

; Azevedo, Maria de Fátima de

; Magalhães, Lucélia Batista Neves Cunha

; Póvoa, Rui Manoel dos Santos

; Malachias, Marcus Vinícius Bolívar

; Nogueira, Armando da Rocha

; Jardim, Paulo César Brandão Veiga

; Jardim, Thiago de Souza Veiga

Arquivos Brasileiros de Cardiologia

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Mar 2020, Volume 114 Nº 3 Páginas 576 - 596

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

https://doi.org/10.36660/abc.20200198 9626 downloads

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