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Search Results: 1 - 10 of 114475 matches for " Celso Darío;Brunetto "
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Estimation of absolute renal uptake with technetium-99m dimercaptosuccinic acid: direct comparison with the radioactivity of nephrectomy specimens
Lima, Mariana da Cunha Lopes de;Ramos, Celso Darío;Brunetto, Sérgio Quirino;Lima, Marcelo Lopes de;Ferreira, Ubirajara;Etchebehere, Elba Cristina Sá Camargo;Santos, Allan de Oliveira;Netto Júnior, Nelson Rodrigues;Camargo, Edwaldo Eduardo;
Sao Paulo Medical Journal , 2008, DOI: 10.1590/S1516-31802008000300003
Abstract: context and objective: studies using radionuclides are the most appropriate method for estimating renal function. dimercaptosuccinic acid chelate labeled with technetium-99m (99mtc-dmsa) is the radiopharmaceutical of choice for high-resolution imaging of the renal cortex and estimation of the functional renal mass. the aim of this study was to evaluate a simplified method for determining the absolute renal uptake (aru) of 99mtc-dmsa prior to nephrectomy, using the radioactivity counts of nephrectomy specimens as the gold standard. design and setting: prospective study at the division of nuclear medicine, department of radiology, universidade estadual de campinas. methods: seventeen patients (12 females; range 22-82 years old; mean age 50.8 years old) underwent nephrectomy for various reasons. renal scintigraphy was performed three to four hours after intravenous administration of a mean dose of 188.7 mbq (5.1 mci) of 99mtc-dmsa, which was done six to 24 hours before surgery. the in vivo renal uptake of 99mtc-dmsa was determined using the radioactivity of the syringe before the injection (measured using a dose calibrator) and the images of the syringe and kidneys, obtained from a scintillation camera. after surgery, the reference value for renal uptake of 99mtc-dmsa was determined by measuring the radioactivity of the nephrectomy specimen using the same dose calibrator. results: the aru measurements were very similar to those obtained using the reference method, as determined by linear regression (r-squared = 0.96). conclusion: aru estimation using the proposed method before nephrectomy seems to be accurate and feasible for routine use.
Primera cita de la especie Goniozus legneri (Hymenoptera: Bethylidae) en el Alto Valle de Río Negro, Patagonia Argentina
Garrido,Silvina; Cichón,Liliana; Fernández,Darío; Azevedo,Celso;
Revista de la Sociedad Entomol?3gica Argentina , 2005,
Abstract: first record of goniozus legneri gordh, parasitizing larva of cydia pomonella (l), "codlingh moth", in apple and walnut orchard from the alto valle de río negro. discover, morphology, distribution, biology, and influence on the "codling moth" population are briefly commented.
Primera cita de la especie Goniozus legneri (Hymenoptera: Bethylidae) en el Alto Valle de Río Negro, Patagonia Argentina First record of the species Goniozus legneri Gordh in the Alto Valle de Río Negro, Patagonia, Argentina
Silvina Garrido,Liliana Cichón,Darío Fernández,Celso Azevedo
Revista de la Sociedad Entomol?3gica Argentina , 2005,
Abstract: Se reporta por primera vez para la zona del Alto Valle de Río Negro, a Goniozus legneri Gordh, parasitando naturalmente larvas de Cydia pomonella (L), "carpocapsa", en montes comerciales de manzanos y nogales. Se comentan brevemente su hallazgo, características morfológicas, distribución, biología e influencia en las poblaciones de "carpocapsa". First record of Goniozus legneri Gordh, parasitizing larva of Cydia pomonella (L), "codlingh moth", in apple and walnut orchard from the Alto Valle de Río Negro. Discover, morphology, distribution, biology, and influence on the "codling moth" population are briefly commented.
Rehabilitación visual mediante el microperímetro MP1 en pacientes con agujero macular y baja visión Visual rehabilitation by means of MPI microperimeter in patients with macular hole and low vision
Marilyn Linares Guerra,Oslay Mijail Tirado Martínez,Celso Darío García Hernández,Susana Rodríguez Maso
Revista Cubana de Oftalmolog?-a , 2011,
Abstract: Objetivo: Evaluar los beneficios de la estimulación visual usando el microperímetro MP1 en pacientes con baja visión por agujero macular atendidos en consulta de baja visión en el Instituto Cubano de Oftalmología “Ramón Pando Ferrer” en el a o 2010. Métodos: Se realizó un estudio experimental, tipo serie de casos. Fueron estudiadas, antes y después de la rehabilitación, las siguientes variables: agudeza visual mejor corregida de cerca con cartilla Zeiss y agudeza visual mejor corregida de lejos usando cartilla Feinbloom, estabilidad de la fijación y sensibilidad retiniana por medio del microperímetro MP1 y velocidad de lectura. Se realizaron 10 sesiones de estimulación de 10 minutos cada una con una frecuencia semanal, empleando el módulo de “biofeedback” del microperímetro MP1. Se realizó análisis estadístico por medio del test de student para muestras pareadas. Valores de p= 0,05 se consideraron como estadísticamente significativos. Resultados: La agudeza visual para lejos y cerca mejoró de 0,18 a 0,23, y de 0,21 a 0,51 respectivamente, la sensibilidad retiniana aumentó de 2,69 a 7,86 dB, la estabilidad de la fijación antes de la estimulación: inestable (80,77 %), relativamente inestable (15,38 %) y estable (3,85 %) y después de la misma: no inestable, relativamente inestable (30,77 %) y estable (69,23 %). La velocidad de lectura mejoró de 35 a 104 palabras por minuto. Conclusión: La estimulación visual empleando el microperímetro MP1 mejoró el rendimiento visual de los pacientes con agujero macular y baja visión. Objective: To evaluate the benefits of visual stimulation by using the MP1 microperimeter in patients with low vision due to macular hole, who were seen at low vision service of “Ramón Pando Ferrer" Cuban Institute of Ophthalmology during 2010. Methods: An experimental, case series type study was carried out. The following variables were studied before and after the rehabilitation: best near spectacle-corrected visual acuity with Zeiss chart and best distance spectacle-corrected visual acuity with Feinbloom chart, fixation stability and retinal sensitivity by means of the MP1 microperimeter and reading speed. Ten 10-minute sessions of stimulation weekly using the MP1 microperimeter biofeedback module were given. Statistical analysis was performed with paired Student’s t-test. P values less than 0,05 were considered statistically significant. Results: Distance and near visual acuity improved from 0,18 to 0,23, and from 0,21 at 0,51; retinal sensitivity increased from 2,69 to 7,86 dB, fixation stability was unstable (80.77 %), relatively unsta
Rural Judges and Territorial Organization in Río de la Plata (17th to 19th Centuries)  [PDF]
Darío G. Barriera
Beijing Law Review (BLR) , 2016, DOI: 10.4236/blr.2016.71007
Abstract: This paper focuses on some traces of the challenge of the government of the dispersed population into a larger territory of the Spanish Monarchy throughout 16 - 19 century. The main subject is the creation and implementation of a minor justice: the “alcalde de la santa hermandad” (judge of the brotherhood). This rural judge appeared early at Santa Fe and Buenos Aires and plays like an articulator between urban and rural populations. Based on a large base of research, this work shows what was the role that the office holders allowed to play in the political process equipment planning at the Gobernación of Buenos Aires.
Brain SPECT imaging in Huntington's disease before and after therapy with olanzapine: case report
Arquivos de Neuro-Psiquiatria , 1999, DOI: 10.1590/S0004-282X1999000500021
Abstract: olanzapine, an atypical antipsychotic drug, was administered to a patient with huntington's disease (hd) with marked choreiform movements. brain spect with 99mtc-hmpao was performed before and after treatment. brain spect imaging has been performed in patients with hd in order to determine the status of basal ganglia perfusion. the use of brain spect with 99mtc-hmpao before and after treatment in patients with hd has not been yet reported. the marked hypoperfusion of the basal ganglia on brain spect performed before therapy with olanzapine improved significantly after treatment.
Thyroid uptake and scintigraphy using 99mTc pertechnetate: standardization in normal individuals
Ramos, Celso Darío;Wittmann, Denise Engelbrecht Zantut;Etchebehere, Elba Cristina Sá de Camargo;Tambascia, Marcos Antonio;Silva, Cleide Aparecida Moreira;Camargo, Edwaldo Eduardo;
Sao Paulo Medical Journal , 2002, DOI: 10.1590/S1516-31802002000200004
Abstract: context: thyroid uptake and scintigraphy using 99mtc-pertechnetate has proven to be more advantageous than with 131i-iodide, since the images have better quality, the procedure is faster and the patient is submitted to a lower radiation dose. objective: the purpose of this study was to standardize a simple and fast methodology for performing thyroid uptake and scintigraphy and to determine the normal values for 99mtc- pertechnetate uptake. type of study: prospective, non-randomized. setting: division of nuclear medicine, department of radiology, school of medical sciences, campinas state university. participants: the study consisted of 47 normal individuals, 30 women and 17 men, with ages ranging from 19 to 61 years (mean of 33 years). procedures: the laboratory assessment of thyroid function consisted of serum dosages of ultra-sensitive thyroxin and thyrotrophin. twenty minutes after an intravenous injection of 10 mci (370 mbq) of 99mtc-pertechnetate, the images were obtained on a computerized scintillation camera equipped with a low-energy high-resolution parallel hole collimator. results: all the individuals were euthyroid both on clinical and laboratory evaluation. the baseline thyroid 99mtc-pertechnetate uptake ranged from 0.4 to 1.7%. the uptake values obtained in these normal individuals showed that 95% presented a thyroid uptake that ranged from 0.4 to 1.5% of the injected dose. conclusion: the assessment of thyroid structure and function using 99mtc-pertechnetate is a simple, fast and efficient method, which could easily become a part of the routine studies in nuclear medicine laboratories.
-DTPA Study to Validate an Experimental Model of Ureteral Obstruction in Rabbits: Preliminary Results
Marcelo Lopes de Lima,Rodolfo Bertti,Juliano César Moro,Fábio Coltro Neto,Ricardo Miyaoka,Adriano Fregonesi,Mariana da Cunha Lopes de Lima,Celso Darío Ramos
Advances in Urology , 2013, DOI: 10.1155/2013/929620
Abstract: Objective. To create a ureteral obstruction experimental model that can be proved through -DTPA renal scintigraphy and histopathological studies, without causing total renal function loss. Materials and Methods. Ten New Zealand white rabbits were submitted to a surgical experiment to create a model of unilateral obstruction to urinary flow. Surgery procedure provided unilateral ureteral obstruction (left kidney) to urinary flow and posteriorly was evaluated by -DTPA renal scintigraphy and histopathological study. -DTPA renal study was performed to detect and quantify signs of obstruction and to evaluate renal function. Statistical analysis was performed through the Student -test with a significance level of . Results. Nine of the ten rabbits presented left renal unit obstruction and one nonobstructive on the -DTPA and histopathological studies. All the right renal units, which were not submitted to surgical procedure, were nonobstructed by the studies. There was a general agreement between scintigraphy and histopathological results in both groups. Conclusion. The experimental model promoted the creation of ureteral obstruction in rabbits, confirmed by nuclear medicine scintigraphy and histopathology, and could be used in further studies to better understand urinary obstruction. 1. Introduction Pelvi-ureteric junction (PUJ) obstruction is one of the most frequent congenital anomalies of the urinary tract system. It is associated with pain, hydronephrosis, urinary tract infections, and eventually loss of renal function [1, 2]. It affects around 40% to 60% of all newborns with hydronephrosis [3], two times more common in males, and may be bilateral in 5% to 15% of cases [1, 4]. PUJ obstruction may be caused by intrinsic factors, like aperistaltic ureteral segment, obstructive fold mucosa, ureteral polyp, or ureteral stenosis [5]. Among extrinsic factors stands inferior renal polar vessel crossing anteriorly the PUJ [6]. Treatment varies from clinical observation to surgery. There are some surgical modalities available to correct the PUJ obstruction, differing from the open pyeloplasty to the latest in technology such as robotic assisted surgeries and endourological procedures [7–9]. Currently scientific literature is short in ureteral obstruction models that accurately reproduce the clinical and microscopic features of this infirmity [10–12]. The creation of a standardized experimental model that would be able to cause obstructive disturbance without leading to renal function loss would provide information capable of enhancing not only the diagnosis but
Efeitos de programa de exercícios físicos direcionado ao aumento da mobilidade torácica em pacientes portadores de doen?a pulmonar obstrutiva cr?nica
Paulin, Elaine;Brunetto, Antonio Fernando;Carvalho, Celso Ricardo Fernandes;
Jornal de Pneumologia , 2003, DOI: 10.1590/S0102-35862003000500007
Abstract: background: chronic obstructive pulmonary disease is detrimental to lung mechanics and peripheral muscles. the physical programs developed for this condition are usually targeted to an improvement on aerobics capacity. programs that approach specifically the changes in thoracic mobility and thoracic muscles are rare. objective: to assess the effects of a physical exercise program designed to increase chest wall mobility on functional and psychosocial capacity in moderate to severe chronic obstructive pulmonary disease patients. methods: thirty patients with moderate to severe chronic obstructive pulmonary disease were studied. they were randomized to 2 groups: control group (cg) and treated group (tg). the cg was submitted to an educational program and the tg was submitted to an educational program plus a physical exercise program aiming to increase chest wall mobility. variables included spirometry, thoracic mobility, quality of life, anxiety and depression levels and a six minute walk test (6mwt). results: after 2 months of training, only the tg presented improvements on chest wall mobility (from 4.20 ± 0.58 cm to 5.27 ± 0.58 cm; p = 0.05) and 6mwt (from 469.73 ± 31.99 m to 500.60 ± 27.38 m; p = 0.01). it was also observed that the tg presented improvement on the st. george's respiratory questionnaire (sgrq) score, chronic respiratory questionnaire (crq), and beck's depression scale after 2 months of treatment. pulmonary function did not improve either in the cg or in the tg group. conclusion: our results suggest that exercises aimed to the increasing of chest wall mobility improve thoracic mobility, quality of life, submaximal exercise capacity, and reduce dyspnea and depression symptoms in chronic obstructive pulmonary disease patients.
Efeitos de programa de exercícios físicos direcionado ao aumento da mobilidade torácica em pacientes portadores de doen a pulmonar obstrutiva cr nica
Paulin Elaine,Brunetto Antonio Fernando,Carvalho Celso Ricardo Fernandes
Jornal de Pneumologia , 2003,
Abstract: INTRODU O: A doen a pulmonar obstrutiva cr nica acarreta prejuízos na mecanica pulmonar e musculatura periférica. O treinamento físico dos pacientes com doen a pulmonar obstrutiva cr nica é geralmente voltado à melhora das condi es aeróbias e s o raros os programas que abordam especificamente as altera es da caixa e musculatura torácicas. OBJETIVO: Avaliar o efeito de um programa de exercícios físicos direcionados ao aumento da mobilidade da caixa torácica sobre a capacidade funcional e psicossocial de pacientes portadores de doen a pulmonar obstrutiva cr nica moderada e grave. MéTODO: Foram estudados 30 pacientes portadores de doen a pulmonar obstrutiva cr nica moderada e grave, divididos aleatoriamente em dois grupos: controle (GC) e tratado (GT). O GC foi submetido a um programa de educa o e o GT foi submetido ao mesmo programa educacional e a um programa de exercícios físicos objetivando o aumento da mobilidade torácica. Os efeitos dos programas foram avaliados pela espirometria, mobilidade torácica, qualidade de vida, níveis de ansiedade e depress o e teste da caminhada de seis minutos (TC6). RESULTADOS: Após dois meses de treinamento, somente o GT apresentou aumento na expansibilidade torácica (de 4,20 ± 0,58cm para 5,27 ± 0,58cm; p = 0,05) e no TC6 (de 469,73 ± 31,99m para 500,60 ± 27,38m; p = 0,01). Foi observado também que o GT apresentou melhora na qualidade de vida avaliada pelo St. George's Respiratory Questionnaire (SGRQ) e Chronic Respiratory Questionnaire (CRQ), bem como nos níveis de depress o após dois meses de tratamento. N o houve melhora da fun o pulmonar em nenhum dos dois grupos estudados. CONCLUS O: Exercícios direcionados ao aumento da mobilidade da caixa torácica melhoram a expansibilidade torácica, a qualidade de vida e a capacidade submáxima de exercício, bem como reduzem a dispnéia e os níveis de depress o nos pacientes portadores de doen a pulmonar obstrutiva cr nica.
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