998 resultados para Kaltenborn, H. v. (Hans), 1878-1965.
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v. 4 (1878-1880)
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v.30 (1878):[Lacks:pg.453-453]
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v. 13 (1878)
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v. 5 (1878-1879)
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v.15 (1963-1965)
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v.3 (1963-1965)
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v.12 (1964-1965)
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v.11 (1963-1965)
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v. 10 (1878)
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We found that lumbar spine texture analysis using trabecular bone score (TBS) is a risk factor for MOF and a risk factor for death in a retrospective cohort study from a large clinical registry for the province of Manitoba, Canada. INTRODUCTION: FRAX® estimates the 10-year probability of major osteoporotic fracture (MOF) using clinical risk factors and femoral neck bone mineral density (BMD). Trabecular bone score (TBS), derived from texture in the spine dual X-ray absorptiometry (DXA) image, is related to bone microarchitecture and fracture risk independently of BMD. Our objective was to determine whether TBS provides information on MOF probability beyond that provided by the FRAX variables. METHODS: We included 33,352 women aged 40-100 years (mean 63 years) with baseline DXA measurements of lumbar spine TBS and femoral neck BMD. The association between TBS, the FRAX variables, and the risk of MOF or death was examined using an extension of the Poisson regression model. RESULTS: During the mean of 4.7 years, 1,754 women died and 1,872 sustained one or more MOF. For each standard deviation reduction in TBS, there was a 36 % increase in MOF risk (HR 1.36, 95 % CI 1.30-1.42, p < 0.001) and a 32 % increase in death (HR 1.32, 95 % CI 1.26-1.39, p < 0.001). When adjusted for significant clinical risk factors and femoral neck BMD, lumbar spine TBS was still a significant predictor of MOF (HR 1.18, 95 % CI 1.12-1.23) and death (HR 1.20, 95 % CI 1.14-1.26). Models for estimating MOF probability, accounting for competing mortality, showed that low TBS (10th percentile) increased risk by 1.5-1.6-fold compared with high TBS (90th percentile) across a broad range of ages and femoral neck T-scores. CONCLUSIONS: Lumbar spine TBS is able to predict incident MOF independent of FRAX clinical risk factors and femoral neck BMD even after accounting for the increased death hazard.
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Given the significant impact the use of glucocorticoids can have on fracture risk independent of bone density, their use has been incorporated as one of the clinical risk factors for calculating the 10-year fracture risk in the World Health Organization's Fracture Risk Assessment Tool (FRAX(®)). Like the other clinical risk factors, the use of glucocorticoids is included as a dichotomous variable with use of steroids defined as past or present exposure of 3 months or more of use of a daily dose of 5 mg or more of prednisolone or equivalent. The purpose of this report is to give clinicians guidance on adjustments which should be made to the 10-year risk based on the dose, duration of use and mode of delivery of glucocorticoids preparations. A subcommittee of the International Society for Clinical Densitometry and International Osteoporosis Foundation joint Position Development Conference presented its findings to an expert panel and the following recommendations were selected. 1) There is a dose relationship between glucocorticoid use of greater than 3 months and fracture risk. The average dose exposure captured within FRAX(®) is likely to be a prednisone dose of 2.5-7.5 mg/day or its equivalent. Fracture probability is under-estimated when prednisone dose is greater than 7.5 mg/day and is over-estimated when the prednisone dose is less than 2.5 mg/day. 2) Frequent intermittent use of higher doses of glucocorticoids increases fracture risk. Because of the variability in dose and dosing schedule, quantification of this risk is not possible. 3) High dose inhaled glucocorticoids may be a risk factor for fracture. FRAX(®) may underestimate fracture probability in users of high dose inhaled glucocorticoids. 4) Appropriate glucocorticoid replacement in individuals with adrenal insufficiency has not been found to increase fracture risk. In such patients, use of glucocorticoids should not be included in FRAX(®) calculations.
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Weber, como perceberemos mais tarde, assumiu como desafio a tentativa de apontar um resgate para a possível corrosão da política na modernidade, pois em uma época histórica marcada pela percepção de empreendimento, constitui-se uma dificuldade fazer com que a política assuma a característica de vocação. Buber assumirá a importância para a compreensão de um viés para o agir oriundo de uma outra vertente interpretativa da política, distinta dos traços clássicos da modernidade ocidental, contribuindo decisivamente para a elaboração da decisão ética firmada em uma transcendência alicerçada na mística judaica e no humanismo hebraico. Quais seriam então as condições para a política assumir uma relação digna com a ética, em uma era marcada pela desvalorização de todos os valores? Ou em uma concepção Iluminista, como doar à política a possibilidade de retomar o princípio da emancipação dentro da própria eficácia, incorporando a necessidade do “responder ético” em relação à face do outro? Questões como as apontadas acima são os alicerces que motivaram esta pesquisa.
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Sign.: [calderón]4, 2[calderón]8, 2*8, A-Z8, 2A-2X8, 2Y-2Z4, 3A-3Y8, 3Z10, A8
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Sign.: [calderón]4, 2[calderón]8, 2*8, A-Z8, 2A-2X8, 2Y-2Z4, 3A-3Y8, 3Z10, A8