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Estado nutricional al ingreso de los pacientes internados con VIH
Freijo,Soledad; Mengoni,Analía;
Diaeta , 2010,
Abstract: introduction: most of the patients diagnosed with hiv/aids are hospitalized with complications that are typical of the disease and which have an impact on their nutritional status. objective: to describe the behaviour of nutritional profile components of patients diagnosed with hiv/aids who are admitted at juan a. fernández general acute care hospital (argentina). material and methods: descriptive, cross-sectional and prospective study. the profile of hiv/aids patients admitted at the hospital was analysed. a nutritional assessment form was completed with the components of the assessed nutritional profile: weight loss percentage (wlp), body fat percentage (bfp), protein percentage (pp), body mass index (bmi), subjective global assessment (sga), biochemistry data (bd) and prior nutrition appointment (pna). results: the sample comprised 22 patients. 32% had a severe wl during the 6 months prior to their admission (ci 95%=12.4 - 61.4). 55.6% of women had a bfp higher than the maximum recommended range (ci 95%=13.6 - 79.1), while 30.8% of men were above the maximum range (ci 95%=9.0 - 61.7). 36% had a low pp (ci 95%: 15.8- 65.6). 63.6% had an adequate bmi (ic 95%=34.3 - 84.1). 59.1% had an inadequate sga (ci 95%: 30.3 - 80%). finally, 86.3% stated that they had never attended a nutritional appointment (ic 95%=62.8 - 97.0). conclusion: the analysis of the nutritional profile components shows that the infected population that is admitted in the unit has an inadequate nutritional profile with alterations in the protein and body fat percentages, which may or may not be justified by the antiretroviral treatment or by the course of the disease itself.
Estado nutricional al ingreso de los pacientes internados con VIH Nutritional status of hospitalized HIV patients at admission
Soledad Freijo,Analía Mengoni
Diaeta , 2010,
Abstract: Introducción: La mayoría de los pacientes con diagnóstico de VIH/SIDA se internan con complicaciones propias de la enfermedad que repercuten en su estado nutricional. Objetivo: Describir el comportamiento de los componentes del perfil nutricional de los pacientes con diagnóstico de VIH/SIDA que se internan en el Hospital General de Agudos Juan A. Fernández (Argentina). Materiales y métodos: Estudio descriptivo, transversal, y prospectivo. Se analizaron los datos correspondientes a pacientes con VIH/SIDA que ingresaban a la institución. Se completó una ficha nutricional registrando componentes del perfil nutricional evaluados: % de pérdida de peso (%PP), compartimento graso (CG), compartimento proteico (CP), índice de Masa Corporal (IMC), Valoración Global Subjetiva (VGS), Datos Bioquímicos (DB) y Consulta Nutricional previa (CNP). Resultados: La muestra quedó conformada por 22 pacientes. El 32% presentó un %PP severo en los 6 meses previos a su internación (IC 95%=12,4 - 61,4). El 55,6% de las mujeres reflejó un CG superior al rango máximo recomendado (IC 95%=13,6 - 79,1), el 30,8% de los hombres superó el rango máximo (IC 95%=9,0 - 61,7). El 36% presentó un CP disminuido (IC 95%=15,8 - 65,6). El 63,6% presentó un IMC adecuado (IC 95%=34,3 - 84,1). El 59,1% presentó una VGS inadecuada (IC 95%=30,3 - 80%). El 86,3% manifestó nunca haber tenido consulta nutricional previa (IC 95%=62,8 - 97,0). Conclusión: el análisis de los componentes del perfil nutricional refleja como la población infectada que ingresa a la unidad de internación, presenta un perfil nutricional inadecuado con alteraciones en el compartimento proteico y graso las cuales pueden o no ser justificadas por el tratamiento antirretroviral o por el curso propio de la enfermedad. Introduction: Most of the patients diagnosed with HIV/AIDS are hospitalized with complications that are typical of the disease and which have an impact on their nutritional status. Objective: To describe the behaviour of nutritional profile components of patients diagnosed with HIV/AIDS who are admitted at Juan A. Fernández General Acute Care Hospital (Argentina). Material and methods: Descriptive, cross-sectional and prospective study. The profile of HIV/AIDS patients admitted at the hospital was analysed. A nutritional assessment form was completed with the components of the assessed nutritional profile: weight loss percentage (WLP), body fat percentage (BFP), protein percentage (PP), Body Mass Index (BMI), Subjective Global Assessment (SGA), Biochemistry Data (BD) and Prior Nutrition Appointment (PNA). Results: The s
CHARACTERISTICS OF THE 3 MOST COMMON TYPES OF OCCUPATIONAL ACCIDENT IN SPANISH SUB-SURFACE AND SURFACE MINING, FROM 2003-2008
LLUíS SANMIQUEL PERA,CARLA VINTRó,MODESTO FREIJO
DYNA , 2012,
Abstract: Los índices de siniestralidad laboral en la minería espa ola han disminuido en los últimos a os. Sin embargo, la incidencia por cada 100.000 trabajadores en el a o 2008 era considerablemente mayor que la de la minería de otros países. Ello implica que deban realizarse estudios e investigaciones que pongan de manifiesto la naturaleza de los factores que influyen en la alta incidencia de siniestralidad laboral del sector minero espa ol. Así, en el presente estudio se presentan las características más importantes de los 3 tipos de accidentes más frecuentes de la minería espa ola en el período 2003-2008.Por cada tipo de accidente se realiza lo siguiente: 1) Modelización de la distribución de los accidentes en función de los días perdidos; 2) Cálculo del índice de Riesgo por grupos de edades de los trabajadores accidentados; 3) identificación de las 3 principales desviaciones o causas inmediatas de los accidentes.
Ultrasonic transducers with resonant cavities as emitters for air-borne applications
Octavio Manzanares, A.,Montero De Espinosa Freijo, F.
Boletín de la Sociedad Espa?ola de Cerámica y Vidrio , 2009,
Abstract: In this work a new proposal to improve the emission efficiency of air-borne ultrasonic transducers is introduced. A theoretical ultrasonic transducer design is studied using a piezoelectric membrane and a Helmholtz resonator with two acoustic ports. The resonator provides radiation in the acoustic ports in phase with that of the membrane. Several finite element simulations and experimental results are used to study the device. The finite element models were used to compare its behaviour with that of conventional vacuum-cavity transducers. These results show an improvement in the bandwidth reaching a quality factor value of 19. Furthermore, the experimental measurements were used to study the effects of the resonant cavity in the response. Several measurements for different cavity depths were performed. The results show an improvement of 25 dB in the emitted pressure through tuning the transducer. En este trabajo se presenta una nueva propuesta para mejorar la eficiencia de transductores ultrasónicos acoplados a aire. Para este estudio se ha empleado un dise o teórico de transductor ultrasónico que utiliza una membrana piezoeléctrica y un resonador de Helmholtz con dos puertos acústicos. El resonador hace que la radiación en los puertos acústicos se encuentre en fase con la producida por la membrana. Para estudiar el dispositivo se utilizaron resultados obtenidos mediante programas de elementos finitos y resultados experimentales. Por un lado, los modelos de elementos finitos se utilizaron para comparar el comportamiento del dispositivo con el de transductores convencionales con cavidades al vacío. Estos resultados indican una mejora en el ancho de banda alcanzando valores de factor de calidad de 19. Por otro lado, los resultados experimentales se emplearon para identificar los efectos de la cavidad resonante en el funcionamiento del dispositivo. Para ello se realizaron varias medidas utilizando ciertas profundidades de cavidad. Los resultados muestran una mejora de 25 dB al afinar el transductor utilizando la cavidad más apropiada.
Análisis de los Problemas y Necesidades Educativas de las Nuevas Estructuras Familiares
Arranz Freijo,Enrique; Oliva Delgado,Alfredo; Martín Ayala,Juan Luis; Parra Oliva,Agueda;
Intervención Psicosocial , 2010,
Abstract: the aim of this study is to identify the concerns and support needs of several family groups corresponding to different family structures. 214 families, matching 6 different family structures, were interviewed. the results show that families are worried about their children's health and that educational criteria are required to deal with the child-rearing process. single and step families are worried about the fact that their children have been through processes of conflict. adoptive families have worry about the normal psychological development of their children and require specific training to deal with the adoption process. gay and lesbian families are concerned about the social stigma that may fall on their children. multiple-birth families are worried about the high level of human, educational and economic resources needed to raise their children. results highlight the need to develop educational and preventive policies aimed at families.
Onicocriptosis en pediatría: tratamiento conservador y espiculotomía
Gioseffi,María L; Giachetti,Ana; Sánchez,Luis; de Freijo,Silvina; Sojo,Magdalena;
Archivos argentinos de pediatr?-a , 2010,
Abstract: onychocryptosis (onyx: nail and kriptos: hidden) is the main reason for consultation due to nail pain. it is secondary to the penetration of the lateral border of the nail plate into the lateral nail fold causing pain and inflammation in the surrounding tissue. symptoms range from erythema, edema, and pain when pressure is applied on the nail fold, up to secondary infection and functional impotence. it is a mechanical onicopathy, almost exclusively of the first toe, which recognizes multiple causes. we present the therapeutic management in children by conservative measures and the spiculectomy.
Lectin histochemical aspects of the ovarian lamellae epithelium of Genypterus blacodes (Schneider, 1801)
Díaz, Alcira O.;Freijo, Roberto O.;García, Alicia M.;Portiansky, Enrique L.;Barbeito, Claudio G.;Macchi, Gustavo J.;
Pesquisa Veterinária Brasileira , 2012, DOI: 10.1590/S0100-736X2012000600013
Abstract: the composition and distribution of the glycoconjugates (gcs) secreted by the epithelium of ovarian lamellae with reference to the reproductive biology of genypterus blacodes (schneider, 1801) through lectin hi stochemistry is here discussed. in this species, the epithelial cells that line the ovarian cavity presented sharp morphological variations along the reproductive cycle related to the mucus secretion that accompanies oocyte ma turation. during sp awning season, residues of mannose and n-acetylglucosamine were detected in the glycocalyx of those cells using lectinhistochemistry. n- acetylgalactosamine and fucose were also observed in the same zone. the greatest variations in the lectinhistochemical pattern were found in the apical cytoplasm composition in comparison to the basal zone of the cells. the results of the present study were discussed by comparing their possible functional implications.
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