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OALib Journal期刊

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Supervivencia de pacientes con cáncer de cuello uterino tratadas en el Instituto Nacional de Cancerología
Pardo,Constanza; Cendales,Ricardo;
Biomédica , 2009,
Abstract: introduction. uterine cervical cancer is the first cause of incidence and mortality in colombian women. nearly 10% of all the cases in the country are treated at the instituto nacional de cancerología. evaluation of the institutional success rates is suggested. objective. patient survival over a 5 year period was summarized for those admitted for treatment of cervical cancer at the institute in the year 2000. materials and methods. all patients with cervical cancer at the institute in 2000 were included in the survival analysis. frequencies, central tendencies and dispersion measures were used to describe categorical and numerical variables. survival analysis was performed by using kaplan meier and the multivariate cox regression model. results. during the study period, 651 patients with cervical cancer were treated. among the 455 eligible patients, 303 (66%) were alive at the end of the study period. mean survival time for patients who did not die was 3.69 years, with a standard deviation of 2.58 years. cumulated five year overall survival probability was 58.8% and mean survival was 4.53 years. the only variable that significantly affected the survival function was the clinical stage at the time of the diagnosis. conclusions. overall survival results are similar to those described in other international institutions. if larger cohort studies were used, the power of the study can be increased in order to identify other factors associated with the prognosis.
PENSANDO CON BOURDIEU CONTRA BOURDIEU: UNA CRíTICA METODOLóGICA DEL MERCADO LINGüíSTICO
Cendales,Andrés;
Cuadernos de Economía , 2011,
Abstract: based on the methodology of the situational logic that popper (1997) formulated for social sciences, this article discusses the methodological consistency with which bourdieu (2000) uses the notion of linguistic market in the sociological analysis about discourse. the existence of two economic rationality notions is shown, in such a way that the decision agents act at the same time with a substantive rationality endowment and another of bounded rationality.
Manejo anestésico del paciente obeso
Villamil Cendales,Andrea Paola;
Revista Colombiana de Anestesiología , 2006,
Abstract: obesity has increased in the last times, from 12% to 19% (1). that is why, the anesthesiologist is faced more frequently with obese patients, not only for weight reduction procedures, but also for any other interventions. for this reason is very important to be able to clearly understand the physiological changes, and the effects of obesity in the anesthetic management. the obese patient is defined as such with a bmi (body mass index), higher than 30 morbil obesity bmi > 40 (2). the mortaly rate of the patient with morbid obesity is 12 times higher in people with ages between 25 and 34 years old, and six times higher in people with ages between 35 and 44 years of age. this risk increases with the presence of hypertension, diabetes, respiratory failure, arthritis, gastric reflux, alveolar hypoventilation syndrome, pulmonary htpertension, left ventricular failure and some types of cancer.
La calidad de certificación de la mortalidad en Colombia, 2002-2006
Cendales,Ricardo; Pardo,Constanza;
Revista de Salud Pública , 2011, DOI: 10.1590/S0124-00642011000200005
Abstract: objective mortality study is useful for the estimation of cancer incident cases; but a quality assessment of the mortality information is required previous to the process of cancer incidence estimation. the aim of this study is to evaluate the quality of deathcertification in colombia. materials and methods overall quality of death certification and quality of cancer mortality certification was analyzed for the period 2002-2006. classic validity indexes were described through simple percentages for each district and four cities, where operating population-based cancer registries: bucaramanga, cali, manizales, and pasto. a principal component analysis was performed in order to identify relationships that might not be evident in the descriptive analysis. results 952 104 registries were analyzed, 150 163 corresponding to cancer deaths. a high quality index was observed for overall death certification, with 92.8 % of the overall mortality properly certified. most errors were due to ill defined causes of death. a high quality index was also observed for cancer death registration with 91.5 % of the cancer deaths properly certified. ill-defined, secondary and unspecified cancer sites certification prevailed as the most frequent causes of error. conclusion colombia has high quality standards for overall death and cancer death certification. mortality data can be used confidently in the cancer incidence estimation process, without requirements for any specific corrections.
Mortalidad y a?os potenciales de vida perdidos por homicidios en Colombia, 1985-2006
Moreno,Claudia; Cendales,Ricardo;
Revista Panamericana de Salud Pública , 2011, DOI: 10.1590/S1020-49892011001000008
Abstract: objective: describe the mortality patterns, burden of disease, and mechanisms of injury by homicide in colombia between 1985 and 2006. methods: the official population and mortality databases in colombia were used. equivalencies of the underlying cause of death were identified and grouped according to the shortlists of the ninth and tenth revision of the international classification of diseases. the years of potential life lost (ypll), indices of ypll, and crude, adjusted, and specific mortality rates associated with major causes and external causes for each sex were calculated. the homicide mechanisms were described. results: during the study period, a total of 523 870 homicides were recorded (484 475 in men and 39 395 in women). homicides accounted for 13.8% of total mortality (21.4% of mortality in men and 2.6% in women) and generated 24.2% of ypll (35.2% in men and 5.8% in women). the highest rates in men were found in the 20-44-year age range, with specific rates of up to 366.9 per 100 000 population, and in women in the 15-40 years age range with specific rates of up to 24.9 per 100 000 population. the most frequent homicide mechanism in both sexes was firearms. conclusion: homicides represent a significant burden of disease in colombia, particularly affecting the young male population. mortality from homicide has trended downward in recent years.
Pensando con Bourdieu contra Bourdieu: una crítica metodológica del mercado lingüístico
Cendales Andrés
Cuadernos de Economía , 2011,
Abstract: Con base en la metodología de la lógica situacional que Popper (1997) formula para las ciencias sociales, este artículo discute la consistencia metodológica con la cual Bourdieu (2000) usa la noción de mercado lingüístico en el análisis sociológico sobre el discurso. Se muestra la existencia de dos nociones de racionalidad económica, de tal manera que, los agentes de decisión, al mismo tiempo actúan con una dotación de racionalidad sustantiva y otra de racionalidad acotada.
Son los pobres las únicas víctimas con la compra de votos? Un caso de competencia política con expropiación generalizada
Cendales Andrés
Cuadernos de Economía , 2012,
Abstract: Este artículo introduce un modelo de competencia política entre dos partidos políticos que, además de no representar los deseos y las necesidades de los votantes en una economía no-prioritarista, movilizan su masa electoral a través de la compra de votos. Se establece una relación entre la conducta de preferencia del partido de gobierno y la topología de la red de intercambio en la cual está vinculado con los votantes a través de operadores políticos que no pertenecen a la organización política. El resultado principal establece que el partido que se ha convertido en el partido de gobierno, mediante la compra de votos, preferirá promover como establecedor de la agenda en la negociación política con otros jugadores con veto del sistema político municipal.
Supervivencia de pacientes con cáncer de cuello uterino tratadas en el Instituto Nacional de Cancerología Survival analysis of cervical cancer patients
Constanza Pardo,Ricardo Cendales
Biomédica , 2009,
Abstract: Introducción. El cáncer de cuello uterino es el de mayor incidencia y la primera causa de mortalidad en las mujeres colombianas. Cerca de 10% de todos los casos del país son tratados en el Instituto Nacional de Cancerología. Se requiere evaluar la experiencia institucional. Objetivo. Describir la supervivencia global a cinco a os de las pacientes con cáncer de cuello uterino tratadas en el Instituto Nacional de Cancerología durante el 2000. Materiales y métodos. Análisis de supervivencia que incluyó todas las pacientes con cáncer de cuello uterino que fueron tratadas en el Instituto Nacional de Cancerología en el 2000. Se emplearon frecuencias y medidas de tendencia central y de dispersión, para resumir las variables categóricas y numéricas, respectivamente. El análisis de supervivencia se realizó mediante el método de Kaplan-Meier y la regresión de Cox. Resultados. Se trataron 651 pacientes en el 2000. Entre las 455 pacientes elegibles, 303 (66%) estaban vivas al finalizar el período. El tiempo medio de seguimiento para las pacientes que no murieron fue de 3,69 a os, con una desviación estándar de 2,58 a os. La probabilidad acumulada de supervivencia global a 5 a os fue de 58,8% y el tiempo medio de supervivencia fue de 4,53 a os. La única variable que afectó significativamente la función de supervivencia en el análisis multivariado de Cox fue el estadio clínico al momento del diagnóstico. Conclusiones. Los resultados de supervivencia global son similares a los reportados en la literatura. Se recomienda desarrollar estudios en cohortes más grandes para aumentar la potencia del estudio e identificar otros factores de pronóstico. Introduction. Uterine cervical cancer is the first cause of incidence and mortality in Colombian women. Nearly 10% of all the cases in the country are treated at the Instituto Nacional de Cancerología. Evaluation of the institutional success rates is suggested. Objective. Patient survival over a 5 year period was summarized for those admitted for treatment of cervical cancer at the Institute in the year 2000. Materials and methods. All patients with cervical cancer at the Institute in 2000 were included in the survival analysis. Frequencies, central tendencies and dispersion measures were used to describe categorical and numerical variables. Survival analysis was performed by using Kaplan Meier and the multivariate Cox regression model. Results. During the study period, 651 patients with cervical cancer were treated. Among the 455 eligible patients, 303 (66%) were alive at the end of the study period. Mean survival time for pati
Manejo anestésico del paciente obeso
Andrea Paola Villamil Cendales
Revista Colombiana de Anestesiología , 2006,
Abstract: La prevalencia de la población obesa ha aumentado en los últimos tiempos, pasando de un 12% a un 19% del total(1); por esta razón, el anestesiólogo se ve más frecuentemente enfrentado en la práctica diaria al paciente obeso, no sólo para procedimientos de reducción de peso, sino para cualquier intervención quirúrgica. Por esto, es importante entender claramente los cambios fisiológicos y las repercusiones de la obesidad durante cualquier acto anestésico. El paciente obeso se define como aquel con IMC (índice de masa corporal) mayor de 30. Obesidad mórbida IMC > 40 (2). La rata de mortalidad del paciente con obesidad mórbida es 12 veces mayor en edades entre 25-34 a os y 6 veces entre 35-44 a os (1). Este riesgo aumenta con la presencia de hipertensión arterial, diabetes, enfermedad respiratoria, artritis, reflujo gastroesofágico, síndrome de hipoventilación alveolar, hipertensión pulmonar, falla ventricular izquierda y algunos tipos de cáncer (1-3). Obesity has increased in the last times, from 12% to 19% (1). That is why, the anesthesiologist is faced more frequently with obese patients, not only for weight reduction procedures, but also for any other interventions. For this reason is very important to be able to clearly understand the physiological changes, and the effects of obesity in the anesthetic management. The obese patient is defined as such with a BMI (Body Mass Index), higher than 30 Morbil obesity BMI > 40 (2). The mortaly rate of the patient with morbid obesity is 12 times higher in people with ages between 25 and 34 years old, and six times higher in people with ages between 35 and 44 years of age. This risk increases with the presence of hypertension, diabetes, respiratory failure, arthritis, gastric reflux, alveolar hypoventilation syndrome, pulmonary htpertension, left ventricular failure and some types of cancer.
TEORíA DE LA UTILIDAD NEOCLáSICA: UN JUEGO SEMáNTICO DE INTERACCIóN ESTRATéGICA
Salazar,Boris; Cendales,Andrés;
Revista de Economía Institucional , 2005,
Abstract: this article suggests that the methodological strength of what is known as the neoclassic utility theory (ncut) comes from the relationship between the parlor games, typical of formal logic, and the seek and find games which are founded in the modal logic. through the use of the semantic games we will establish two points: the conditions for the strategic interaction between the neoclassic player, who seeks to construct ideal utility functions, and an opponent who proposes tough counter examples, as well as semantics for the ncut. in addition, we suggest that expansion of ncut to other possible worlds does depend on the transformations carried out in the original model-set.
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