Bone Density and Microarchitecture: Relationship Between Hand, Peripheral, and Axial Skeletal Sites Assessed by HR-pQCT and DXA in Rheumatoid Arthritis
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摘要We assessed the relationship of bone density and microarchitecture between hand, peripheral, and axial skeletal sites using high-resolution peripheral quantitative computed tomography (HR-pQCT) and dual-energy X-ray absorptiometry (DXA) in patients with rheumatoid arthritis (RA) and which factors influence these parameters. This was a cross-sectional study of 100 female patients (53.4 +/- A 9.3 years) with RA. HR-pQCT scans at distal radius and the second metacarpal head were performed to assess cortical and trabecular volumetric bone mineral density (vBMD) and microarchitecture. DXA scans at the hip, lumbar spine, and ultradistal radius were performed to assess areal BMD. There was significant correlation in vBMD and microarchitectural parameters between the second metacarpal head and distal radius (r = 0.201-0.628). Areal BMD at the axial skeleton was moderately associated with vBMD at the peripheral sites (r = 0.354-0.558). Factors related to disease severity/chronicity significantly correlated with vBMD and microarchitecture at the distal radius and the second metacarpal head. Factors related to disease activity were more likely to correlate with vBMD and microarchitecture at the second metacarpal head but not those at the distal radius. HR-pQCT is a promising technique that is capable of providing detailed quantitative assessment of disease-associated periarticular bone loss at both cortical and trabecular bone compartments in patients with RA. Future longitudinal studies will be needed to investigate whether assessment by HR-pQCT can be used as a marker of disease activity and a predictor of disease progression in RA.
著者Zhu TY, Griffith JF, Qin L, Hung VWY, Fong TN, Kwok AW, Leung PC, Li EK, Tam LS
期刊名稱Calcified Tissue International
出版年份2012
月份11
日期1
卷號91
期次5
出版社Springer Verlag (Germany)
頁次343 - 355
國際標準期刊號0171-967X
電子國際標準期刊號1432-0827
語言英式英語
關鍵詞DXA; HR-pQCT; Osteoporosis; Rheumatoid arthritis
Web of Science 學科類別Endocrinology & Metabolism; ENDOCRINOLOGY & METABOLISM

上次更新時間 2020-27-11 於 01:13