985 resultados para Hemochromatosis (HC)


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Regardless of their age, hospitalized children suffer from being separated from their mothers or their attachment figures. Hospitalization is a process that is difficult for children to cope with due to their separation from families, everyday environments and embedded disease scenarios. According to age, the intensity of such suffering is related to the development phase in which a child is found. The health care professionals that are close to children, not only as concerns care provision, but also emotionally, should be knowledgeable about the mother-child attachment. emotionally, should be knowledgeable about the mother-child attachment. To evaluate children’s perception of hospitalization. The study was conducted at the pediatric hospitalization unit of the Botucatu School of Medicine University Hospital – UNESP by means of interviews with hospitalized children aged 7 – 12 years and by using content analysis according to Bardin. Most of the interviewed children did not like the hospital environment and reported to miss their homes. From their statements, they showed their dissatisfaction in relation to pain and their submission to invasive procedures, which were the main complaints during the interviews. Our results agree with those found in the literature in relation to the hospital environment when the children reported the fact that they missed their homes as a difficulty to adapt. The analysis of results in this study and in previous ones led to the reflection on the importance of the presence of a relative during children’s hospitalization and the adaptation process. Despite their dissatisfaction in relation to invasive procedures, none of the children tried to stop the performance of tests and understood their importance. This is a characteristic of the operational phase, which comprises the development of perception of a whole situation and is when... (Complete abstract click electronic access below)

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The hypoglossal nerve (HN) is responsible for the intrinsic and extrinsic muscles of the tongue. Knowledge of this is extremely important because this nerve is responsible for tongue movement. HN paralysis can be associated to the disease itself in various zones in which the NH travels, mainly the hypoglossal canal (HC). Variations in shape of the hypoglossal canal have been pointed to as the cause of HN paralysis in several studies. Four hundred dried intact human skulls without sex or race identification, belonging to the Discipline of Anatomy of ICTSJC – UNESP were studied. Each canal was classified into types: type I (without division in the HC), type II (HC with low bone spike), type III (HC more than two projections bone), type IV (presence of complete bony bridge without dividing HC into two distinct canals) and type V (presence of bone bridge by dividing into two HC canals). HC was found in 100% of skulls studied in both side. Regarding types, we found 538 (67.25%) hypoglossal canal of type I (34%, right side and 33.25%, left side), 108 (13.5%) of type II (7.38%, right side, and 6.13%, left side), 60 (7.5%) hypoglossal canal of type III (3.5%, right side and 4.0%, left side) 84 (10.5%) of type IV (4.75%, right side and 5.75%, left side) and 5 (0.63%) of the type V (0.13%, right side and 0.5%, left side). We found 5 (0,63%) different HC and classified ourselves in type VI, VII and VIII. The average angle was 51,3º on right side and 50,25º on left side. Detailed knowledge of the anatomy of the CH supports professionals in interventions of bloody skull base and also in giving the correct diagnosis of the probable causes of paralysis of the hypoglossal nerve

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The paper presents the radiometric parameters determined by the medical physicist during routine radiotherapy planning service in cases of breast cancer . The contours of the breast volume in patients undergoing radiation breast tumors at the Hospital das Clinicas, Faculty of Medicine , UNESP, Botucatu ( HCFMB ) during the year 2012 were analyzed . In order to analyze the influence of physical and radiometric parameters for the determination of the dose distribution of irradiated breast volume , four measurements of isodose curves were prepared in four different heights breast , and compared with the isodose curves plotted computationally . In the routine of planning , the medical physicist must determine the isodose curve that gives the best dose distribution homogeneity in the irradiated volume . The choice of the treatment plan can be done by dedicated computer systems , which require significantly costly investments available services having better financial support . In the Service of Medical Physics , Department of Radiotherapy , HC FMB , we use a two-dimensional software for determination of isodose curves , however , this software is out of date and frequently becomes inoperable due to the lack of maintenance and it is a closed system without feasibility of interference from computer professionals . This fact requires manual preparation of isodose curves , which are subject to uncertainties due to the subjectivity in the clinical interpretation of medical radiation oncologist and medical physicist responsible for planning , plus dispendiar significant calculation time . The choice of the optimal isodose curve depends on the energy of the radiation beam , the geometry and dimensions of the irradiated area . The contours of the breast studied in this work evaluations showed that , for a given energy input , such as the energy of 1.25 MeV of gamma radiation Unit Telecobaltoterapia , the determination of the percentage depth dose ( PDP ) ...

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Pós-graduação em Ginecologia, Obstetrícia e Mastologia - FMB

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The aim of this study was to evaluate the pH and antimicrobial activity of micro or nanoparticulate zinc oxide (ZnO) pastes with or without calcium hydroxide (CH). The following medications were evaluated: microparticulate ZnO + polyethylene glycol (PEG) 400; nanoparticulate ZnO + PEG 400; PEG 400; CH + microparticulate ZnO + PEG 400 and CH + nanoparticulate ZnO + PEG 400. The pH was assessed between 12 hours and 28 days, using a digital pH meter. The antimicrobial activity against Enterococcus faecalis (ATCC-9212), Candida albicans (ATCC-10231), Pseudomonas aeruginosa (ATCC-27853), Staphylococcus aureus (ATCC-6538) and Kocuria rhizophila (ATCC-9341) was determined in triplicate using agar diffusion test. The results were submitted to Kruskal-Wallis/Dunn and ANOVA/Tukey tests with 5% significance. The highest pH values were found for CH+ZnO, with higher values for nanoparticulate ZnO after 12 hours and 21 days (p<0.05). CH+ZnO medication promoted higher growth inhibition against P. aeruginosa and lower against E. faecalis. Calcium hydroxide pastes have higher pH and antimicrobial activity when associated with either micro- or nanoparticulate zinc oxide.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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When calcinine (A-23187) (2 mu M), a known Ca2+ ionophore, is present, a significant protection is observed to a mitochondrial suspension undergoing lipid peroxidation by Fe2+-citrate complex. A-23187 can remove Ca2+, which seems to have an important role in the lipid peroxidation process, from its 'lesive sites' and consequently preventing the damage. This information has importance in terms of knowing the mechanisms and avoiding the damages of lipid peroxidation that occur in some pathological cases such as tumor promotion and hemochromatosis.

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Meningoencephalitis by Herpesvirus type 5 (BoHV-5) in cattle has some features that are similar to those of herpetic encephalitis in humans and other animal species. Human Herpesvirus 3 (commonly known as Varicella-zoster virus 1), herpes simplex viruses (HSV), and equid Herpesvirus 1 (EHV-1) induce an intense inflammatory, vascular and cellular response. In spite of the many reports describing the histological lesions associated with natural and experimental infections, the immunopathological mechanisms for the development of neurological disorder have not been established. A total of twenty calf brains were selected from the Veterinary School, University of São Paulo State, Araçatuba, Brazil, after confirmation of BoHV-5 infection by virus isolation as well as by a molecular approach. The first part of the study characterized the microscopic lesions associated with the brain areas in the central nervous system (CNS) that tested positive in a viral US9 gene hybridization assay. The frontal cortex (Fc), parietal cortex (Pc), thalamus (T) and mesencephalon (M) were studied. Secondly, distinct pathogenesis mechanisms that take place in acute cases were investigated by an immunohistochemistry assay. This study found the frontal cortex to be the main region where intense oxidative stress phenomena (AOP-1) and synaptic protein expression (SNAP-25) were closely related to inflammatory cuffs, satellitosis and gliosis, which represent the most frequently observed neurological lesions. Moreover, MMP-9 expression was shown to be localized in the leptomeninges, in the parenchyma and around mononuclear infiltrates (p < 0.0001). These data open a new perspective in understanding the role of the AOP-1, MMP-9 and SNAP-25 proteins in mediating BoHV-5 pathogenesis and the strategies of host-virus interaction in order to invade the CNS.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)