中央DXA测量在评估骨矿物质密度中的作用

Maria Luísa Nogueira , Isabel Ramos
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引用次数: 1

摘要

双能x线骨密度仪(DXA)是临床应用最广泛的技术,用于评估骨密度(BMD)的变化和预测骨折风险。它在腰椎和股骨近端骨密度测量中的应用对诊断骨量减少和实施治疗干预非常有用。因此,在临床实践中使用它需要有能力为个别病例量身定制程序,有知识来防止潜在的错误来源,提供测量的可重复性和分析,以及解释能力。其优点是辐射剂量低,扫描时间短,精度高,患者接受度好。
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The role of central DXA measurements in the evaluation of bone mineral density

Dual-energy X-ray Absorptiometry (DXA) is the most widely used technique in clinical practice to assess changes in bone mineral density (BMD) and to predict fracture risk. Its application to lumbar spine and proximal femur BMD measurements is extremely useful in diagnosing bone mass decrease and implementing therapeutic interventions. As a consequence, its use in clinical practice requires capacity to tailor procedures to individual cases, knowledge to prevent potential sources of error, to provide measurement reproducibility and analysis, and interpretation abilities. Its advantages include the use of low radiation doses, short scan time, high precision and good patient acceptance.

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