Changes in Pain Modulation Occur Soon After Whiplash Trauma but are not Related to Altered Perception of Distorted Visual Feedback

被引:18
作者
Daenen, Liesbeth [1 ,2 ,3 ,4 ]
Nijs, Jo [4 ,5 ]
Cras, Patrick [1 ,2 ,3 ]
Wouters, Kristien [6 ]
Roussel, Nathalie [4 ,5 ,7 ]
机构
[1] Univ Antwerp, Dept Neurol, Fac Med, B-2020 Antwerp, Belgium
[2] Born Bunge Inst, Dept Neurol, Antwerp, Belgium
[3] Univ Antwerp Hosp, Antwerp, Belgium
[4] Vrije Univ Brussel, Dept Human Physiol, Fac Phys Educ & Physiotherapy, Chron Pain & Chron Fatigue Res Grp CHROPIVER, BE-1050 Brussels, Belgium
[5] Univ Coll Antwerp Artesis, Div Musculoskeletal Physiotherapy, Dept Hlth Sci, Antwerp, Belgium
[6] Univ Hosp Antwerp UZA, Dept Sci Coordinat & Biostat, Antwerp, Belgium
[7] Univ Antwerp, Fac Med, B-2020 Antwerp, Belgium
关键词
whiplash; whiplash-associated disorders; pain; pain modulation; conditioned pain modulation; altered perception; distorted visual feedback; central nervous system; neck pain; pain assessment; PRIMARY SOMATOSENSORY CORTEX; NOXIOUS INHIBITORY CONTROL; SENSORY HYPERSENSITIVITY; PROGNOSTIC-FACTORS; MOTION SICKNESS; PHANTOM LIMB; NECK PAIN; CORTICAL REORGANIZATION; TEMPORAL SUMMATION; FLEXION REFLEX;
D O I
10.1111/papr.12113
中图分类号
R614 [麻醉学];
学科分类号
100217 [麻醉学];
摘要
Objectives: Widespread sensory hypersensitivity has been observed in acute whiplash associated disorders (WAD). Changes in descending pain modulation take part in central sensitization. However, endogenous pain modulation has never been investigated in acute WAD. Altered perception of distorted visual feedback has been observed in WAD. Both mechanisms (ie, pain modulation and perception of distorted visual feedback) may be different components of one integrated system orchestrated by the brain. This study evaluated conditioned pain modulation (CPM) in acute WAD. Secondly, we investigated whether changes in CPM are associated with altered perception of distorted visual feedback. Methods: Thirty patients with acute WAD, 35 patients with chronic WAD and 31 controls were subjected to an experiment evaluating CPM and a coordination task inducing visual mediated changes between sensory feedback and motor output. Results: A significant CPM effect was observed in acute WAD (P = 0.012 and P = 0.006), which was significantly lower compared to controls (P = 0.004 and P = 0.020). No obvious differences in CPM were found between acute and chronic WAD (P = 0.098 and P = 0.041). Changes in CPM were unrelated to altered perception of distorted visual feedback (P > 0.01). Conclusion: Changes in CPM were observed in acute WAD, suggesting less efficient pain modulation. The results suggest that central pain and sensorimotor processing underlie distinctive mechanisms.
引用
收藏
页码:588 / 598
页数:11
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