在SAPHO综合征中发生骨和肌肉损失:定量分析和与脊椎骨折相关的因素
Yi Zhang1, Zaizhu Zhang1, Yan Zhang1
1Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, PR China.
Acta radiologica (Stockholm, Sweden : 1987)
|May 16, 2025
概括
患有SAPHO综合征的患者,特别是女性,表现出明显的骨和肌肉损失. 腰椎骨密度和T12骨肌量是这些患者脊椎骨折的关键指标.
科学领域:
- 风湿病学和肌肉骨系统疾病
- 骨代谢和身体组成分析
- 放射学和成像生物标志物生物标志物
背景情况:
- 带有高静止症 (SAPHO) 综合征的突骨质疏松症 (Synovial Osteochondromatosis) 可以影响脊椎,导致脊椎骨折 (VFs).
- 骨质疏松症和肉症在SAPHO综合征中很常见,但它们与VF的直接联系尚不清楚.
- 了解肌肉骨因素对于管理SAPHO患者的VF至关重要.
研究的目的:
- 测量SAPHO综合征患者的骨矿物质密度 (BMD) 和肌肉质量损失.
- 为了确定与SAPHO综合征中脊椎骨折 (VFs) 相关的特定肌肉骨因素.
- 评估这些因素对VFs的诊断准确性.
主要方法:
- 双能X射线吸收计 (DXA) 评估了骨矿物质密度 (BMD) 和椎骨分数 (TBS).
- 胸部CT扫描评估了T8,T10和T12水平的横截面肌肉区域 (CSMA),骨肌肉指数 (SMI) 和骨肌肉量表 (SMG).
- 单变量,多变量和ROC曲线分析确定了与VFs相关的因素.
主要成果:
- 与对照组相比,女性SAPHO患者的腰椎 (LS) -BMD,大腿 (FN) -BMD,全部 (TH) -BMD和TBS显著减少.
- 在所有评估的脊柱水平上,女性的肌肉质量指标 (CSMA,SMI,SMG) 显著降低.
- 在T12水平的LS-BMD和SMG独立与VF相关,它们的组合显示出最高的诊断疗效.
结论:
- 女性SAPHO患者经历了大量的骨和肌肉损失,以及受损的骨微型架构.
- LS-BMD和SMG-T12是SAPHO综合征中VF的显著预测因素.
- 这些参数为改善SAPHO患者的风险分层和VF管理提供了潜力.
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