Philips H C, Grant L
Psychology Department, University Hospital, Vancouver, British Columbia, Canada.
Behav Res Ther. 1991;29(5):435-41. doi: 10.1016/0005-7967(91)90127-o.
A longitudinal evaluation of the recovery from an acute back pain episode was undertaken on 117 sufferers, with assessments at the onset, 3 and 6 months. The number of individuals still reporting pain at 6 months, and therefore qualifying for 'chronic pain', was considerably higher than expected (40%). At 6 months, the persisting pain problems were found to be moderate to severe in intensity in approx. 20% of cases. Despite the pain, the chronic sufferers showed gradual continuing adjustments to it, re-establishing activities despite pain. Most of the change in the pain components (cognitive, subjective, behavioral, depression, anxiety) occur in the first 3 months, after which considerable stability is evident in the residual problem. In contrast, the impact of the pain and the consequent disability decline more markedly and continue to do so right up to the 6 month point. There was no evidence of chronic pain evolving and growing, but rather of a persistence of the acute presentation.
对117名急性背痛患者进行了从急性背痛发作开始的纵向恢复评估，在发病时、3个月和6个月时进行了评估。6个月时仍报告疼痛、因此符合“慢性疼痛”标准的个体数量远高于预期（40%）。在6个月时，约20%的病例中持续存在的疼痛问题强度为中度至重度。尽管疼痛，慢性疼痛患者仍逐渐对其进行持续调整，尽管疼痛仍重新开展活动。疼痛组成部分（认知、主观、行为、抑郁、焦虑）的大多数变化发生在最初3个月，此后残余问题明显相当稳定。相比之下，疼痛的影响和随之而来的残疾下降更为明显，并且一直持续到6个月时。没有证据表明慢性疼痛在演变和加剧，而是急性症状持续存在。
