Please use this identifier to cite or link to this item: https://doi.org/10.2147/CIA.S35202
Title: Changes in microarchitectural characteristics at the tibial epiphysis induced by collagen-induced rheumatoid arthritis over time
Authors: Lee, J.H.
Chun, K.J.
Kim, H.S.
Kim, S.H. 
Lee, K.-Y.
Kim, D.J.
Lim, D.
Keywords: In vivo microcomputed tomography
Ollagen-induced rheumatoid arthritis
Periodic microarchitecture alteration pattern
Trabecular bone separation
Trabecular bone thickness
Issue Date: 2012
Source: Lee, J.H., Chun, K.J., Kim, H.S., Kim, S.H., Lee, K.-Y., Kim, D.J., Lim, D. (2012). Changes in microarchitectural characteristics at the tibial epiphysis induced by collagen-induced rheumatoid arthritis over time. Clinical Interventions in Aging 7 : 373-382. ScholarBank@NUS Repository. https://doi.org/10.2147/CIA.S35202
Abstract: Background: Little is known about the time course of changes in the microarchitecture of the tibial epiphysis with rheumatoid arthritis (RA), although such information would be valuable in predicting risk of fracture. Therefore, we used in vivo microcomputed tomography (μ-CT) to assess patterns of microarchitectural alterations in the tibial epiphysis using collagen-induced RA in an animal model. Methods: Bovine type II collagen was injected intradermally into the tails of rats for induction of RA. The tibial joints were scanned by in vivo μ-CT at 0, 4, and 8 weeks following injection. Microarchitectural parameters were measured to evaluate alteration patterns of bone microarchitecture at the tibial epiphysis. Results: The microarchitectural alterations in an RA group were significantly different from those in a control group from 0 to 4 weeks and from 4 to 8 weeks following injection (P < 0.05). The distribution of trabecular bone thickness and trabecular bone separation from 0 weeks to 8 weeks differed significantly (P < 0.05). Conclusion: These results indicate that the patterns of microarchitectural alterations at the tibial epiphysis are strongly affected by collagen-induced progression of RA and entail a severe risk of fracture at the tibial epiphysis. This study represents a valuable first approach to tracking periodic and continuous changes in the microarchitectural characteristics of the tibial epiphysis with collagen-induced RA. © 2012 Lee et al, publisher and licensee Dove Medical Press Ltd.
Source Title: Clinical Interventions in Aging
URI: http://scholarbank.nus.edu.sg/handle/10635/66958
ISSN: 11769092
DOI: 10.2147/CIA.S35202
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