机会性手部放射图以选低前臂骨矿物质密度:一个前性和后性队列研究
Alana O'Mara1, Faes Kerkhof2, Deborah Kenney2
1Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA. aeomara@alumni.standford.edu.
BMC musculoskeletal disorders
|February 20, 2024
概括
手部X射线可以选低骨密度的人. 手部X射线上的第二个甲手腕皮层百分比 (2MCP) 有效地预测了前臂骨质疏松症,提供了一种简单,低成本的查方法.
科学领域:
- 骨质疏松症的研究研究.
- 放射学 放射学是一门学科.
- 骨健康查 骨健康查
背景情况:
- 低骨矿物质密度 (BMD) 影响了超过一半的65岁以上的美国女性.
- 前臂骨质疏松症和骨折的低诊断错过了未来骨事件的指标.
- 目前的查方法可能无法充分识别面临前臂骨质疏松风险的个体.
研究的目的:
- 评估手部放射图片作为低前臂骨矿物质密度 (BMD) 的早期查工具的实用性.
- 为了确定手部X射线是否可以预测前臂骨质疏松症和骨质疏松症.
主要方法:
- 在43名参与者中评估了后部前部 (PA) 手部放射和DXA扫描.
- 从手部X射线测量了第二个甲手腕皮层百分比 (2MCP) 作为潜在的诊断标记.
- 使用回归分析将2MCP与前臂BMD和接收器操作曲线相关联,以找到最佳的切断点.
主要成果:
- 第二个甲手臂皮层百分比 (2MCP) 与前臂BMD有直接的相关性.
- 最佳的2MCP切线为48.3%,显示出检测远端前臂骨质疏松症的灵敏度为80%.
- 2MCP的切线值为50.8%,显示出检测严重的远端前臂骨质疏松症的灵敏度为84%,优于部部T-score.
结论:
- 使用2MCP指标的手部X射线可以成为查前臂骨质疏松症的有价值的低成本工具.
- 这些发现支持扩大骨质疏松症查范围,包括随时可用的手部X射线.
- 进一步的研究应该在规模上验证2MCP切线,并集成自动测量.
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