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324 results on '"Vanrell, Juan A."'

3. Clinical Assisted Reproduction: The Effect of Exogenous Luteinizing Hormone (LH) on Oocyte Viability: Evidence from a Comparative Study Using Recombinant Human Follicle-Stimulating Hormone (FSH) Alone or in Combination with Recombinant LH for Ovarian Stimulation in Pituitary-Suppressed Women Undergoing Assisted Reproduction

Author

Balasch, Juan, Creus, Montserrat, Fábregues, Francisco, Civico, Salvadora, Carmona, Francisco, Puerto, Bienvenido, Casamitjana, Roser, and Vanrell, Juan A.

Published
2001
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34. Inhibin, follicle-stimulating hormone, and age as predictors of ovarian response in in vitro fertilization cycles stimulated with gonadotropin-releasing hormone agonist-gonadotropin treatment

Author

Balasch, Juan, Creus, Montserrat, Fabregues, Francisco, Carmona, Francisco, Casamitjana, Roser, Ascaso, Carlos, and Vanrell, Juan A.

Subjects
Fertilization in vitro -- Physiological aspects, Inhibin -- Measurement, Follicle-stimulating hormone -- Measurement, Gonadotropin releasing hormone -- Physiological aspects, Health
Abstract

The success of in vitro fertilization (IVF) using gonadotropin-releasing hormone (GnRH) agonist-gonadotropin treatment may be predicted by basal levels of follicle-stimulating hormone (FSH) and inhibin. Researchers evaluated the effectiveness of GnRH agonists in the first cycle of IVF and compared levels of FSH and inhibin and women's ages in cancelled and completed IVF cycles. The use of GnRH agonists decreased the rate of cancelled cycles to less than 20%. Levels of FSH and inhibin on cycle days two or three predicted cancelled cycles better than age.

Published
1996

38. Elementos para una ingeniería de explotación de información

Author

Pollo Cattaneo, María Florencia, García Martínez, Ramón, Britos, Paola Verónica, Pesado, Patricia Mabel, Bertone, Rodolfo Alfredo, Rodríguez, Darío, Merlino, Hernán, Pytel, Pablo, and Vanrell, Juan Ángel

Subjects
explotación de información, ingeniería de software, Ciencias Informáticas
Abstract

Los Proyectos de Explotación de Información difieren sustancialmente de los pertenecientes al Software tradicional. Las fases clásicas de desarrollo le son ajenas, al igual que las herramientas involucradas en los procesos de Ingeniería en Software. Un nuevo cuerpo de conocimientos atento a las necesidades de su aplicación industrial, deviene, pues, imprescindible para el avance del nuevo campo disciplinar. En este artículo proponemos: un modelo de negocio, un proceso de educción de requisitos, un método de estimación, una metodología de selección de herramientas, un proceso de transformación de datos y una serie de procesos basados en técnicas de minería de datos., The Information Mining Projects have different characteristics compared to traditional software projects. The classic development phases do not apply to the natural phases of Information Mining Projects. Not all Software Engineering tools not apply to these projects. A new body of knowledge is necessary for Information Mining Engineering with a special focus on its use in industry. In this paper we propose: process model, requirement elicitation process, estimation method, a method for selecting the data mining tool, a methodology for transforming the data and, a set of processes for information mining based on the application of different data mining techniques., Facultad de Informática

Published
2012

39. Tibolone inhibits aortic atherosclerotic lesionformation in oophorectomized cholesterol-fed rabbits

Author

Castelo-Branco, Camil, Sanjuán, Alex, Ascaso, Carles, Colodrón, Marta, Blümel, Juan Enrique, Casals, Elena, Ordi, Jaume, and Vanrell, Juan Antonio

Subjects
Experimental Cardiology
Abstract

Tibolone is a synthetic steroid effective for the treatment of climacteric symptoms and osteoporosis. Long term treatment with tibolone is associated with a significant decrease in cholesterol levels due to a parallel decrease in high-density lipoprotein. However, the effect of these changes on atherogenesis is not known.To investigate the effect of tibolone therapy on aorta atherogenesis.Thirty-two New Zealand white rabbits were fed cholesterol-rich feed and studied for four months. The rabbits underwent laparotomy and were randomly assigned to four groups. Twenty-four rabbits underwent bilateral ovariectomy; of these, eight received tibolone (group T), eight received estradiol valerate (group E), eight received placebo after sterilization (group C), and eight were sham operated (group S).After receiving the cholesterol-rich diet, total levels of cholesterol increased in group C from 3.17+/-0.72 mmol/L to 35.36+/-9.01 mmol/L, in group S from 2.88+/-0.9 mmol/L to 28.76+/-9.442 mmol/L, in group E from 1.69+/-0.44 mmol/L to 1.69+/-0.44 mmol/L and in group T from 2.03+/-0.22 mmol/L to 26.33+/-13.45 mmol/L (no significant differences were observed among the groups at the end of the study). At four months, the cholesterol- rich diet caused atherosclerotic lesions in both treated and untreated rabbits, affecting 30.47+/-12.2%, 24.51+/-16.1%, 17.91+/-10.19% and 10.21+/-6.8% of the aortic surface for groups C, S, E and T, respectively (P0.01 for treated groups).The principal result from this study was that treatment with tibolone in cholesterol-fed ovariectomized rabbits reduces aortic atherosclerotic lesion formation and that this reduction is not related to plasma lipid levels.

Published
2003

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