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Search Results: 1 - 10 of 562021 matches for " María; Tobajas H "
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ANáLISIS DE LA MORTALIDAD PERINATAL, HOSPITAL MIGUEL SERVET, ZARAGOZA, ESPA?A: 2000-2009
Cruz G,Esther; Lapresta M,María; Crespo E,Raquel; José G,Yasmina; Andrés O,Pilar; Tobajas H,Javier;
Revista chilena de obstetricia y ginecología , 2011, DOI: 10.4067/S0717-75262011000100002
Abstract: objective: to evaluate hospital miguel servet perinatal mortality (pm) during the years 2000-2009, valuing its evolution and distribution according to gestational age and birth weight. maternal and fetal possible causes are analized. methods: 44.409 newborns of >500 grams or 22 weeks gestational age, were studied. the total number of perinatal deaths was 402 containing late neonatal deaths (to 28 completed days of live). the data for each case of perinatal mortality were recorded in a form following figo recommendations and the 9th international classification of diseases. results: extended pm rate was 9.05/1000 newborns, fetal mortality 4.91/1000 newborns and neonatal mortality 4.14/1000 live births. standard pm was 4.73/1000 newborns. according to gestational age, 79.60% were preterm deliveries. considering birth weights, 46.02% were extremely low birth weight (<1000 grams), and 59.95% were <1500 grams. the number of perinatal deaths in multiple pregnancies was 92 (90 preterm deliveries). pm in twins was 34.65/1000 newborns. main causes of death were extreme immaturity (<1000 grams) in 46.02%, premature rupture of membranes (23.13%), multiple deliveries (22.89%), complications of placenta or umbilical cord (21.64%), intrauterine hypoxia and asphyxia at birth in 21.64% of the cases, and congenital malformations and chromosomopaties (18.90%). conclusions: pm is encumbered by prematurity, extremely low birth weight and múltiple pregnancies. decrease of perinatal mortality had occurred mainly at the expense of neonatal mortality.
Mortalidad perinatal en gestaciones múltiples: Hospital Miguel Servet, Zaragoza, Espa?a: 2000-2009
Cruz G,Esther; Crespo E,Raquel; José G,Yasmina; Andrés O,Pilar; Lapresta M,María; Tobajas H,Javier;
Revista chilena de obstetricia y ginecología , 2011, DOI: 10.4067/S0717-75262011000300004
Abstract: objective: to evaluate hospital miguel servet perinatal mortality (pm) in multiple pregnancies (2000-2009), valuing its evolution and distribution according to gestational age and birth weight. maternal and fetal causes are analized. methods: 44,401 newborns of >500 grams or 22 weeks gestational age, were studied. the total number of perinatal deaths in multiple pregnancies was 92 containing late neonatal deaths (to 28 days of live). the data for each case of perinatal mortality were recorded in a form following figo recommendations and the 9th international classification diseases. results: extended pm rate in multiple pregnancies was 40.42/1000 newborns, pm in twins was 34.65/1000, and in triplet births 80.65/1000. fetal mortality was 11.86/1000 newborns and neonatal mortality 28.56/1000 live births. standard pm was 14.06/1000 newborns. the mp of the multiple pregnancies was the 22.89% of total mp, and multiple pregnancies neonatal mortality 35.33% of total neonatal mortality. according to gestational age, 97.83% were preterm deliveries (90 newborns). considering birth weights, 72.83% were extremely low birth weight (<1000 grams), and 88.05% were <1500 grams. main cause of death was extreme immaturity (<1000 grams). premature rupture of membranes (prom) was presented in 18.48%, of the cases, spontaneous preterm labor without apparent cause in 17.39%, and congenital malformations and chromosomopaties (13.04%). conclusions: pm in multiple pregnancies is encumbered by prematurity and extremely low birth weight. pm in both twins was associated with extremely low birth weight (87.50% < 1000 grams), and main causes of death were prom (21.88%) with chorioamnionitis (12.50%), and twin-to-twin transfusion syndrome (18.76%).
Cáncer de colon metastásico diagnosticado durante el tercer trimestre de la gestación
José G,Yasmina; Gil L,Oscar; Lapresta M,María; Cruz G,Esther; Campillos M,José Manuel; Tobajas H,Javier;
Revista chilena de obstetricia y ginecología , 2011, DOI: 10.4067/S0717-75262011000200010
Abstract: colonic cancer during pregnancy is a rare event, whit incidence between 0.07 and 0.1%. early diagnosis is difficult and prognosis is severe as it generally made at an advanced stage. we report a case of metastasic adenocarcinoma of the transverse colon in a 38-year-old pregnant patient diagnosed at 31 weeks of gestation. the problem of diagnosis as well as management of this pathology is discussed.
Hemorragia intracraneal secundaria a rotura de malformación arteriovenosa cerebral en la gestación: Caso clínico
Lapresta Moros,María; Madani Alsaati,Bassam; Navarro Martín,Ricardo; Campillos Maza,José Manuel; Tobajas Homs,José Javier;
Revista de Obstetricia y Ginecología de Venezuela , 2003,
Abstract: intracranial hemorrhages due to an artery aneurysm or an arteriovenous malformation are a rare but serious complication of pregnancy. we report the clinic case of a primigravida, controlled in our department, who suffered a subarachnoid hemorrhage at 15 weeks of pregnancy; she was treated nonsurgically. fetal extraction was made at 37 weeks by means of caesarean section. some months later, the malformation nest was treated with radiosurgery.
Sexual Dimorphism in Prehispanic Populations of the Cochabamba Valleys, Bolivia  [PDF]
José A. Cocilovo, María L. Fuchs, Tyler G. O’Brien, Héctor H. Varela
Advances in Anthropology (AA) , 2013, DOI: 10.4236/aa.2013.31002
Abstract:
The expression of sexual dimorphism may vary across time and space, as well as within and between populations depending on genetic and environmental factors that influence growth and development. The objective of the present work is to contribute to the knowledge of factors that determine the physical characteristics of ancient human groups in the eastern valleys of Cochabambaa key region for cultural development, inter-regional interaction with northern Chile and northwest Argentina, and their noticeable role in the settlement of the south central Andean region. This paper analyzes the differences between males and females crania representing ancient human groups that inhabited the eastern valleys of Cochabamba, Bolivia. Thirty-one craniometric variables are analyzed from a sample of 234 individuals. Differences are evaluated using univariate analysis by ANOVA and multivariate discriminant analysis. The results indicate the existence of higher mean values in males compared to females in most cranial measurements (mean difference 5.3%). The discriminant analysis also reveals a significant morphological difference exists between sexes. Furthermore, by means of the discriminant function, the reclassification of correct sex was 99% of cases. This information indicates that members of this population could live in optimal conditions, with adequate resources to ensure growth and development and normal expression of the phenotype of each sex.
ARTRóPODOS COMPONENTES DE LA DIETA DE GUAJOLOTES DE TRASPATIO EN EL ESTADO DE MICHOACáN, MéXICO
F. Tobajas-Andrés,A. Juárez-Caratache,S. Pineda,J. I. Figueroa
Acta zoológica mexicana , 2011,
Abstract: This note presents the arthropods as part of the diet of creole turkeys reared in backyards. Fifty turkey crops collected from five physiographic regions of Michoacan were examinated; half of them collected during rainy season and the other half during dry season. Arthropods were found only in turkey crops obtained in rainy season, being adult and immature stages of insects (Hymenoptera, Hemiptera, Coleoptera, Lepidoptera) and myriapods (Diplopoda) the common groups component of the diet of backyard-reared creole turkeys.
La farmacogenómica y el camino hacia la medicina personalizada
Belloso,Waldo H.; Redal,María A.;
Medicina (Buenos Aires) , 2010,
Abstract: interindividual variability in the response to drugs is primarily explained by genetic factors. the study of polymorphisms associated with abnormal expression or activity of proteins involved in drug metabolism, transport or pharmacological activity constitutes the basis of pharmacogenomics. although still in early phases of development, pharmacogenetic analysis in different therapeutic areas significantly contributes to the selection of drugs and doses for the individual patient and is already recognized and recommended by scientific societies, regulatory agencies and public health organisms. the ability to maximize drug efficacy and prevent adverse effects through the analysis of host genetics paves the way to the personalized therapy of the future.
La farmacogenómica y el camino hacia la medicina personalizada Pharmacogenomics and the path towards personalized medicine
Waldo H. Belloso,María A. Redal
Medicina (Buenos Aires) , 2010,
Abstract: La variabilidad interindividual de la respuesta a fármacos reconoce a los aspectos genéticos como su principal explicación. El estudio de polimorfismos asociados con una alteración de la actividad o expresión de las proteínas que metabolizan, transportan o son blancos de acción de drogas, constituye la base de la farmacogenómica. Si bien se encuentra en sus etapas iniciales de desarrollo, en varias áreas terapéuticas el análisis farmacogenético contribuye significativamente a la selección de drogas y de dosis apropiadas para pacientes individuales, y es ya reconocido y recomendado tanto por sociedades científicas como por agencias regulatorias y organismos de políticas sanitarias. La capacidad de maximizar la eficacia y prevenir efectos adversos de fármacos mediante el estudio genético del huésped abre la puerta para la terapéutica personalizada del futuro. Interindividual variability in the response to drugs is primarily explained by genetic factors. The study of polymorphisms associated with abnormal expression or activity of proteins involved in drug metabolism, transport or pharmacological activity constitutes the basis of pharmacogenomics. Although still in early phases of development, pharmacogenetic analysis in different therapeutic areas significantly contributes to the selection of drugs and doses for the individual patient and is already recognized and recommended by scientific societies, regulatory agencies and public health organisms. The ability to maximize drug efficacy and prevent adverse effects through the analysis of host genetics paves the way to the personalized therapy of the future.
Effects of topological defects and local curvature on the electronic properties of planar graphene
Alberto Cortijo,María A. H. Vozmediano
Physics , 2006, DOI: 10.1016/j.nuclphysb.2008.09.006
Abstract: A formalism is proposed to study the electronic and transport properties of graphene sheets with corrugations as the one recently synthesized. The formalism is based on coupling the Dirac equation that models the low energy electronic excitations of clean flat graphene samples to a curved space. A cosmic string analogy allows to treat an arbitrary number of topological defects located at arbitrary positions on the graphene plane. The usual defects that will always be present in any graphene sample as pentagon-heptagon pairs and Stone-Wales defects are studied as an example. The local density of states around the defects acquires characteristic modulations that could be observed in scanning tunnel and transmission electron microscopy.
A cosmological model for corrugated graphene sheets
Alberto Cortijo,María A. H. Vozmediano
Physics , 2006, DOI: 10.1140/epjst/e2007-00228-2
Abstract: Defects play a key role in the electronic structure of graphene layers flat or curved. Topological defects in which an hexagon is replaced by an n-sided polygon generate long range interactions that make them different from vacancies or other potential defects. In this work we review previous models for topological defects in graphene. A formalism is proposed to study the electronic and transport properties of graphene sheets with corrugations as the one recently synthesized. The formalism is based on coupling the Dirac equation that models the low energy electronic excitations of clean flat graphene samples to a curved space. A cosmic string analogy allows to treat an arbitrary number of topological defects located at arbitrary positions on the graphene plane. The usual defects that will always be present in any graphene sample as pentagon-heptagon pairs and Stone-Wales defects are studied as an example. The local density of states around the defects acquires characteristic modulations that could be observed in scanning tunnel and transmission electron microscopy.
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