• Ho-Joong Kim, Yun-Ho Kim, Kyoung-Tak Kang, Bong-Soon Chang, Choon-Ki Lee, and Jin S Yeom.
• Spine Center and Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, 166 Gumiro, Bundang-gu, Sungnam 463-707, Republic of Korea.
• J Orthop Sci. 2016 May 1; 21 (3): 299-305.

BackgroundPain catastrophizing is a key variable that contributes to disability not only in chronic pain disorders but also after trauma. However, there is little evidence concerning the effect of catastrophizing on pain intensity and disability after osteoporotic vertebral compression fracture. Therefore, the purpose of this study was to evaluate the contribution of catastrophizing to disability and pain intensity after osteoporotic vertebral compression fracture.MethodWe analyzed 35 patients with acute single-level osteoporotic vertebral compression fractures within 3 days of trauma. Data on demographics, education level, Charlson comorbidity index, pain catastrophizing scale (PCS) score, visual analog scale (VAS) score for back pain, and Oswestry Disability Index (ODI) were collected. VAS score for back pain and ODI were assessed at enrollment as well as at 2, 6, and 12 weeks after fracture.ResultsEach VAS score for back pain and ODI significantly improved compared to the initial values (P < 0.001). Among the independent variables, age and/or PCS score significantly correlated with VAS score for back pain and/or ODI over follow-up assessments. Hierarchical regression analysis finally showed that PCS score was a significant predictor for disability only in the acute period such as immediately and 2 weeks after fracture, whereas age was significantly associated with ODI at 6 and 12 weeks after fracture.ConclusionsThe present study shows that catastrophizing can contribute to disability only in the acute period after osteoporotic vertebral compression fracture. As the compression fracture heals, however, age is the critical determinant of disability.Copyright © 2016 The Japanese Orthopaedic Association. Published by Elsevier B.V. All rights reserved.

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