Jazayeri M, Ghavanini M R, Rahimi H R, Raissi G R
Department of Physical Medicine and Rehabilitation, Shiraz University of Medical Sciences and Health Services, Fars.
Electromyogr Clin Neurophysiol. 2003 Jul-Aug;43(5):277-9.
The purpose of this study was to compare SSR with sensory nerve action potential (SNAP) responses in regeneration of injured peripheral nerves after nerve repair. We studied 10 male patients with a mean age of 26.7 years. All the patients had complete laceration of median or ulnar nerves. The patients were followed up at least for six months. SSR and SNAP assessment were performed every one to two months. Normal hands were used as controls. SSR was positive after 15.8 +/- 9.4 weeks (mean +/- 2 SD) and SNAP after 27.8 +/- 12.9 weeks (mean +/- 2 SD). The difference was statistically significant (P value < 0.001). This can be due to more rapid growth of sympathetic unmyelinated fibers relative to sensory myelinated fibers. This study also shows that recovery of the sudomotor activity following nerve repair is satisfactory in general and SSR can be used as a useful and sensitive method in the evaluation of sudomotor nerve regeneration.
本研究的目的是比较在神经修复后受伤周围神经再生过程中交感皮肤反应(SSR)与感觉神经动作电位(SNAP)的反应。我们研究了10名平均年龄为26.7岁的男性患者。所有患者均有正中神经或尺神经的完全断裂伤。对患者进行了至少六个月的随访。每1至2个月进行一次SSR和SNAP评估。以正常手作为对照。SSR在15.8±9.4周(平均值±2标准差)后呈阳性,SNAP在27.8±12.9周(平均值±2标准差)后呈阳性。差异具有统计学意义(P值<0.001)。这可能是由于交感无髓鞘纤维相对于感觉有髓鞘纤维生长更快。本研究还表明,神经修复后汗腺运动功能的恢复总体上令人满意,SSR可作为评估汗腺运动神经再生的一种有用且敏感的方法。