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目的研究学龄前生长痛患儿与非生长痛儿童下肢痛阈是否存在差异,为明确生长痛的发生机制提供参考依据。方法采用痛觉传感器,测量135名生长痛患儿和133名非生长痛儿童下肢相关部位的压痛阈,采用非参数秩和检验与χ2检验比较两组儿童痛阈值和压痛点人数。结果生长痛儿童股骨外上髁、胫骨内侧髁、胫骨外侧髁与髌骨中间处痛阈值与对照组差异具有统计学意义(P<0.05);压力水平<3kg/cm2时,生长痛组胫骨内侧髁、胫骨外侧髁与髌骨中间处压痛点数目与对照组差异具有统计学意义(P<0.05)。结论生长痛患儿更容易产生膝关节周围疼痛并出现相应体征。
Objective To study the difference of lower extremity pain threshold in preschool children with and without growth pain, and to provide a reference for clarifying the mechanism of the growth pain. Methods The pain threshold of lower extremities in 135 children with growth pain and 133 children without growth pain was measured by using the pain sensor. The pain threshold and the number of tenderness points were compared between the two groups using non-parametric rank sum test and χ2 test. Results The pain threshold of the femoral epicondyle, tibial medial condyle, medial tibial condyle and patella in growing pain group was significantly lower than that in the control group (P <0.05). When the stress level was lower than 3 kg / cm2, the medial tibial condylar of the growing pain group , Tibial lateral condyle and the middle of the patella tender point and the control group differences were statistically significant (P <0.05). Conclusion Children with growth pain are more likely to produce pain around the knee and the corresponding signs.