Abstract Objective: The endovascular repair of aortic abdominal aneurysms exposes the patients and surgical team to ionizing radiation with risk of direct tissue damage and induction of gene mutation. This study aims to describe our standard of radiation exposure in endovascular aortic aneurysm repair a...
ABSTRACT Objective: The aim of this study was to compare the equivalent and effective doses of different digital radiographic methods (panoramic, lateral cephalometric and periapical) with cone-beam computed tomography (CBCT). Methods: Precalibrated thermoluminescent dosimeters were placed at 24 locat...
ABSTRACT Low-Level Laser Therapy stimulates the proliferation of a variety of types of cells. However, very little is known about its effect on stem cells from human exfoliated deciduous teeth (SHED). Objective This study aimed to evaluate the influence of different laser therapy energy densities on SH...
Análisis de Varianza,
Proliferación Celular/efectos de la radiación,
Supervivencia Celular/efectos de la radiación,
Células Cultivadas,
Formazáns,
Terapia por Luz de Baja Intensidad/métodos,
Dosis de Radiación,
Reproducibilidad de los Resultados,
Rodaminas,
Células Madre/efectos de la radiación,
Sales de Tetrazolio,
Factores de Tiempo,
Exfoliación Dental,
Diente Primario/citología,
Diente Primario/efectos de la radiación
Background: The effectiveness against radiation of tungsten bismuth caps, used in interventional cardiology is not well known. Aim: To determine the degree of radiation protection conferred by these caps in real work conditions. Material and Methods: We compared the gross electric charges received at bra...
Abstract. In order to have a more accurate estimation of the dose delivered for computed tomography (CT) studies, and given that the current dose estimates do not include the size of the patient, a retrospective study was conducted on a sample of 388 patients from the radiology department of a general ho...
Abstract. There are several methods for measuring the absorbed radiation dose of occupationally exposed professionals, but it is unknown if these are reproducible at low doses. The aim of this study is to determine the level of reproducibility of thermoluminescent dosimeters (TLD) and optically stimulate...
ABSTRACT PURPOSE: To investigate the effects of amifostine on bacterial translocation and overgrowth in colonic flora after acute radiation enteritis in a rat model. METHODS: Thirty-two female Wistar albino rats were divided into four groups: Group-1 (n=8): only normal saline was administered intrape...
Amifostina/farmacología,
Traslocación Bacteriana/efectos de los fármacos,
Enteritis/inducido químicamente,
Enterobacteriaceae/efectos de la radiación,
Traumatismos Experimentales por Radiación/microbiología,
Protectores contra Radiación/farmacología,
Ciego/microbiología,
Ciego/efectos de la radiación,
Enteritis/microbiología,
Enteritis/prevención & control,
Enterobacteriaceae/fisiología,
Linfa/microbiología,
Dosis de Radiación,
Traumatismos Experimentales por Radiación/prevención & control,
Ratas Wistar
Introdução: As aplicações médicas representam a maior fonte de exposição radiológica ionizante e,
neste contexto, é de especial importância a questão do risco profissional. Embora existam diferentes
sensibilidades à radiação dos distintos órgãos do corpo humano, avaliações específicas ...
Radiación Ionizante,
Protección Radiológica,
Diagnóstico por Imagen,
Equipo de Protección Personal,
Riesgos Laborales,
Exposición a la Radiación/efectos adversos,
Dosis de Radiación,
Factores de Riesgo,
Guías como Asunto/normas,
Rayos X,
Radiología Intervencionista
O objetivo deste trabalho foi comparar os efeitos de diferentes densidades de energia e irradiâncias do Laser de Baixa Intensidade (LBI), variando em função do tempo de irradiação e potência, na viabilidade e proliferação de fibroblastos derivados da polpa de dentes decíduos humanos (HPF). HPF f...
Terapia por Luz de Baja Intensidad/métodos,
Láseres de Estado Sólido,
Fibroblastos/efectos de la radiación,
Dosis de Radiación,
Pulpa Dental/citología,
Pulpa Dental/efectos de la radiación,
Células Cultivadas,
Recuento de Células,
Supervivencia Celular/efectos de la radiación,
Proliferación Celular/efectos de la radiación,
Violeta de Genciana,
Análisis de Varianza,
Reproducibilidad de los Resultados,
Factores de Tiempo,
Diente Primario/citología
Mumic, Fabricia Teixeira;
Silveira, Marina Rodrigues Garcia da;
Vilalva, Kelvin Henrique;
Jordani, Maria Eliza;
Gomes, Maria Cecilia Jordani;
Vanni, José Carlos;
Vollet Filho, José Dirceu;
Kurachi, Cristina;
Bagnato, Vanderlei Salvador;
Silva, Orlando de Castro e.
PURPOSE: To assess the effect of two laser wavelengths, either separate or combined, on intact rat livers. METHOD: Nineteen male Wistar rats (200-300 g) were submitted to laser irradiation at 5 different sites on the liver surface.Wavelengths 660 and 780 nm were used, with a dose of irradiation of 60 J/...
Láseres de Semiconductores,
Hígado/efectos de la radiación,
Mitocondrias Hepáticas/efectos de la radiación,
Estrés Oxidativo/efectos de la radiación,
Relación Dosis-Respuesta en la Radiación,
Terapia por Luz de Baja Intensidad,
Malondialdehído/análisis,
Dilatación Mitocondrial/efectos de los fármacos,
Dosis de Radiación,
Ratas Wistar,
Espectrofotometría,
Factores de Tiempo
