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Alteraciones campimétricas como manifestación inicial de una neurosarcoidosis Visual fields defect as inicial presentation of neurosarcoidosis
M.L. Maldonado-Morales,A. Ruiz-Calvo,E. Santos-Bueso,A. Del-Hierro
Archivos de la Sociedad Espa?ola de Oftalmología , 2012,
Abstract: Caso clínico: Varón de 29 a os que refería alteraciones progresivas de la visión periférica en las últimas semanas. Se encontraba en estudio por disfunción hormonal. La campimetría presentaba un defecto arciforme superior, en ojo derecho y defecto altitudinal superior en ojo izquierdo y el estudio endocrinológico reveló disfunción hormonal secundaria a neurosarcoidosis. Discusión: La neurosarcoidosis es un cuadro muy poco frecuente que puede producir alteraciones visuales irreversibles. Su diagnóstico y tratamientos precoces son fundamentales para preservar la función visual. Case report: A 29 year old man who suffered from progressive loss of peripherical vision in the previous few weeks. He was being studied for hormonal dysfunction. The visual field showed superior arciform defect in the right eye and a superior altitudinal defect in the left eye. The endocrinology study showed hypopituitarism secondary to a neurosarcoidosis. Discussion: Neurosarcoidosis is very rare, and can produce irreversible visual fields defects. Prompt diagnosis and treatment are essential to maintain visual function.
Alteraciones campimétricas como manifestación inicial de una neurosarcoidosis
Maldonado-Morales,M.L.; Ruiz-Calvo,A.; Santos-Bueso,E.; Del-Hierro,A.; López-Abad,C.; Díaz-Valle,D.; Benítez-del-Castillo,J.M.; García-Sánchez,J.;
Archivos de la Sociedad Espa?ola de Oftalmología , 2012,
Abstract: case report: a 29 year old man who suffered from progressive loss of peripherical vision in the previous few weeks. he was being studied for hormonal dysfunction. the visual field showed superior arciform defect in the right eye and a superior altitudinal defect in the left eye. the endocrinology study showed hypopituitarism secondary to a neurosarcoidosis. discussion: neurosarcoidosis is very rare, and can produce irreversible visual fields defects. prompt diagnosis and treatment are essential to maintain visual function.
Dynamic modeling of mineral contents in greenhouse tomato crop  [PDF]
Antonio Juárez-Maldonado, Adalberto Benavides-Mendoza, Karim de-Alba-Romenus, América B. Morales-Díaz
Agricultural Sciences (AS) , 2014, DOI: 10.4236/as.2014.52015
Abstract:

Tomato is one the most important vegetables worldwide and mineral nutrition in tomato crops is considered as the second most important factor in crop management after water availability. Mathematical modeling techniques allow us to design strategies for nutrition management. In order to generate the necessary information to validate and calibrate a dynamic growth model, two tomato crop cycles were developed. Several mineral analyses were performed during crop development to determine the behavior of N, P, K, Ca, Mg and S in different organs of the plant. Regression models were generated to mimic the behavior of minerals in tomato plants and they were included in the model in order to simulate their dynamic behavior. The results of this experiments showed that the growth model adequately simulates leaf and fruit weight (EF > 0.95 and Index > 0.95). As for harvested fruits and harvested leaves, the simulation was less efficient (EF < 0.90 and Index < 0.90). Simulation of minerals was suitable for N, P, K and S as both, the EF and the Index, had higher values than 0.95. In the case of Ca and Mg, simulations showed indices below 0.90. These models can be used for planning crop management and to design more appropriate fertilization strategies.

Caracterización de aislados de escherichia coli o157:h7 en canales de bovinos y porcinos mediante pcr
Gallegos,Miguel; Morales,Alberto; álvarez,Genoveva; Vásquez,Jesús; Morales,Lilia; Martínez,Irma; Maldonado,Jesús;
Revista Científica , 2009,
Abstract: many escherichia coli o157:h7 outbreaks have been associated to consumption of undercooked beef, but the presence has also been reported in the meat of other domestic animals. in mexico, little information exists on the presence of this pathogen in bovine and pork carcasses. the objective of this study was to determine the presence and/or absence of e. coli serotype o157:h7 in bovine and pork carcasses and their characterization by means of pcr. of 18 isolates, 12 were positive by pcr to rfbe and flic genes, which determine o157:h7 serotype. of these 12, one from bovine carcass and three of pork carcasses were positive by pcr to stx1, stx2 and eaea genes, therefore, they were considered enterohemorrhagic strains. the differences found in the positive carcass number to any of the genes were not statistically significant. the results show that e. coli o157:h7 could be found in both carcasses types, representing a risk for the health, so strict hygienic and handling measures should be taken in order to avoid that carcasses which do not fulfill the food safety aspect might arrive to the final consumers.
Aproximación a un protocolo quirúrgico para el manejo de dientes supernumerarios: Evaluación de un caso y revisión de la literatura
Olate Morales,S; Alister Herdener,JP; Thomas Maldonado,D; Alveal Campuzano,R;
Avances en Odontoestomatología , 2007, DOI: 10.4321/S0213-12852007000200002
Abstract: introduction: the supernumerary teeth (dsn) are development anomalies, which typical manifestations are sequence and eruption modifications. methodology: we did a search in medline and pubmed with definied criteria of selection between the year 1985 and 2005. results: 13 articles were found useful for the review, of which 2 were literature reviews. discussion: dsn?s prevalence surrounds 2 %, appearing principally between men. not always dsn?s exodontia is necessary for what must know clearly his indications and presenting a radiographic previous study. the surgical protocol demands a description and classification of the dsn to plan the treatment in a multidisciplinary team. the surgical treatment presents generally a favorable prediction and it?s complications are associated with certain frequency to the anatomical neighboring. conclusion: this surgical protocol helps to systematize the therapeutic procedures for dsn and to do them more predecible.
Satisfacción con la alimentación y la vida, un estudio exploratorio en estudiantes de la universidad de la frontera, Temuco-Chile
Morales, Berta Schnettler;Vargas, Horacio Miranda;Maldonado, José Sepúlveda;Coria, Marianela Denegri;
Psicologia & Sociedade , 2011, DOI: 10.1590/S0102-71822011000200024
Abstract: in order to explore the relationship between feeding, as a domain of life, and subjective welfare in university students, a survey was applied to a non probability sample of 112 university students. the questionnaire included the swls (satisfaction with life scale) and swfl (satisfaction with food-related life) scale, and the frequency of consumption of certain types of food. both scales presented appropriate levels of internal consistency and the existence of a single factor for all the items. differences were found to be associated with habits in the consumption of meat, soft drinks, oil, butter and margarine. when only two categories are considered, satisfied and not satisfied, association was obtained with ethnic group, place of residence and type of work providing the principal income of the household. it may be suggested that the feeding habits of university students are related to satisfaction with life and their food-related life.
Evaluación y dinámica de uso del recurso hídrico en el corregimiento de Barú (Cartagena, Bolívar, Colombia) Evaluation and use dynamics of water in Barú (Cartagena, Bolívar, Colombia)
Berdugo Moreno Mónica,Betancourt Morales Andrés,Maldonado Chaparro Adriana,Garzón Javier
Acta Biológica Colombiana , 2004,
Abstract: El corregimiento insular de Barú (Cartagena, Bolívar, Colombia) carece de los servicios de acueducto y alcantarillado; sin embargo, sus habitantes logran manipular el agua para suplir sus necesidades básicas. Partiendo de este hecho, se evaluó la calidad del recurso hídrico y se caracterizó la dinámica de su uso en la localidad durante la época seca (marzo de 2003), respondiendo dos preguntas básicas: Es apta para el consumo humano el agua disponible en Barú? y Cuáles son los eventos, flujos y procesos involucrados en su manejo? La evaluación de la calidad del agua se hizo por comparación de algunas variables fisicoquímicas y microbiológicas frente a lo establecido en la legislación colombiana y se encontró que, en general, el agua utilizada y consumida en Barú no es segura, debido a la presencia de coliformes. La dinámica de uso del agua en el corregimiento se estudió a través de entrevistas semiestructuradas a los habitantes y caminatas de reconocimiento de la infraestructura disponible en la localidad, con lo que se obtuvo información de las prácticas de consumo, los hábitos y métodos de tratamiento de agua dulce, la disposición de aguas servidas y el volumen consumido por persona (91,4 L día). Con base en esta información, se construyó un modelo del flujo de agua utilizando el programa STELLA 7.0.3 y se determinó que el sistema tiene baja sostenibilidad debido a la marcada estacionalidad de lluvias en la zona y a la gran dependencia de factores externos y de trabajo humano interno requeridos para su funcionamiento. The insular town of Barú (Cartagena, Bolívar, Colombia) lacks aqueduct and sewer system services; however, Barú's habitants manipulate the water to satisfy their basic necessities. In this way, we evaluated water quality and characterized the dynamic of its use in Barú during the dry season (March of 2003). We answer two basic questions: is the available water in Barú suitable for human consumption? and, which are the events, flow and processes involved in its handling? The evaluation of the quality of the water was made by comparison of some physicochemical and microbiological variables versus the standards of the Colombian law. It was found that the water in Barú is not safe, due to coliforms. The dynamics of water use in this town was studied by interviewing some of the inhabitants and recognition trips of the available infrastructure. Information about consumption practices, habits and methods of treatment of sweet water, disposition of served waters and volume consumed by person (91,4 L/day) was obtained. With this information, w
La responsabilidad ética en la investigación científica con animales de laboratorio
Morales Ofarrill Aguilar, Alexander,Ofarrill. Aguilar, Aloida Regla,Hernández Maldonado, Rosa María
REDVET , 2010,
Abstract: ResumenA lo largo de la segunda mitad del siglo XX, el avance científico técnico se incrementa de modo exponencial con un especial protagonismo en el campo de las llamadas tecnologías emigrantes: información, comunicación y las basadas en ciencias de la vida o biomédicas.
Aproximación a un protocolo quirúrgico para el manejo de dientes supernumerarios: Evaluación de un caso y revisión de la literatura Approximation to surgical protocol for the management of supernumerary tooth: Evaluation of one case and literature review
S Olate Morales,JP Alister Herdener,D Thomas Maldonado,R Alveal Campuzano
Avances en Odontoestomatología , 2007,
Abstract: Introducción: Los dientes supernumerarios (DSN) son anomalías del desarrollo, cuyas manifestaciones típicas suelen ser modificaciones en secuencia y erupción dentaria. Metodología: Se realizo una búsqueda en Medline y Pubmed con criterios de selección definidos entre los a os 1985 y 2005. Resultados: Se encontraron 13 artículos útiles para la revisión, de los cuales 2 fueron revisiones bibliográficas. Discusión: La prevalencia de DSN rodea al 2%, presentándose principalmente en hombres. No siempre la exéresis de DSN es necesaria por lo que se debe conocer claramente sus indicaciones además de presentar un estudio radiográfico previo detallado. El protocolo quirúrgico exige una descripción y clasificación del DSN para planificar su tratamiento en un equipo multidisciplinario. Su tratamiento quirúrgico presenta generalmente un pronóstico favorable y sus complicaciones se asocian con cierta frecuencia a las estructuras anatómicas vecinas. Conclusión: Este protocolo quirúrgico ayuda a sistematizar los procedimientos terapéuticos para DSN y hacerlos mas predecibles. Introduction: The supernumerary teeth (DSN) are development anomalies, which typical manifestations are sequence and eruption modifications. Methodology: We did a search in Medline and Pubmed with definied criteria of selection between the year 1985 and 2005. Results: 13 articles were found useful for the review, of which 2 were literature reviews. Discussion: DSN’s prevalence surrounds 2 %, appearing principally between men. Not always DSN’s exodontia is necessary for what must know clearly his indications and presenting a radiographic previous study. The surgical protocol demands a description and classification of the DSN to plan the treatment in a multidisciplinary team. The surgical treatment presents generally a favorable prediction and it’s complications are associated with certain frequency to the anatomical neighboring. Conclusion: This surgical protocol helps to systematize the therapeutic procedures for DSN and to do them more predecible.
PECES DEL DEPARTAMENTO DE SANTANDER, COLOMBIA
Castellanos-Morales,César A.; Marino-Zamudio,Laura L.; Guerrero-V.,Lerney; Maldonado-Ocampo,Javier A.;
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales , 2011,
Abstract: the biodiversity of fishes and their distribution by municipality and basin in the santander department are presented. a total of 115 native species distributed in eight orders and 34 families inhabit the santander department. the most diverse order is siluriformes with 55 species and 27 genera, and characiformes with 40 species and 28 genera. at the family level, characidae (22 species) and locariidae (14 species) have the greatest numbers of species. the río sogamoso and río lebrija system show the highest diversity (84 and 74 species, respectively). a total of 13 endemic or restricted species in santander were identified in this study.
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