Pain characteristic differences between subacute and chronic back pain.
Pain characteristic differences between subacute and chronic back pain.
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DOI：
10.1016/j.jpain.2011.01.008
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发表时间：
2011-07
期刊：
影响因子：
4
通讯作者：
Apkarian, A. Vania
中科院分区：
文献类型：
--
作者：
Chanda, Mona Lisa;Alvin, Matthew D.;Schnitzer, Thomas J.;Apkarian, A. Vania
关键词：
Back pain is commonly classified based on duration. There is currently limited information regarding differences in the clinical features of back pain between these duration-based groupings. Here, we compared the pain characteristics of patients with subacute (SBP; pain 6–16 weeks, n = 40) and chronic back pain (CBP; pain ≥ 1year, n = 37) recruited from the general population. CBP patients reported significantly higher pain intensity on the Visual Analogue Scale (VAS) compared to SBP patients. Based on this finding, we investigated group differences and their dependence on VAS for the Beck Depression Inventory (BDI), sensory and affective dimensions of the McGill Pain Questionnaire (MPQ-S and MPQ-A), Neuropathic Pain Scale (NPS) and the variability of spontaneous pain. Correction for VAS abolished significant group differences on the MPQ-S, MPQ-A and NPS. Only a significant difference in the variability of spontaneous pain was independent of VAS. Finally, whereas SBP patients displayed a higher incidence of unilateral pain radiating down the legs/buttocks, there was a shift towards more bilateral pain in CBP patients. In summary, SBP and CBP groups differ on three independent parameters: VAS ratings, pain location and temporal dynamics of spontaneous pain.
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发表时间：
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期刊：
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