Objective To observe the effect of comprehensive rehabilitation in patients with peripheral nerve injuries after the Wenchuan earthquake. Methods A total of 24 cases of peripheral nerve injuries who were admitted to the Rehabilitation Center for Earthquake Victims of West China Hospital of Sichuan University were treated with comprehensive rehabilitation, including exercise therapy, acupuncture therapy, functional electrical stimulation, and occupational therapy (mainly sensory training and wearing orthosis). After 30 treatment sessions, patient motor and sensory function, upper limb functional activity, and electrodiagnostic parameters were evaluated. Meanwhile, concomitant injuries were also recorded. Results As for the recovery of motor and sensory functions, the effective rate was 41.66%. The difference in the scores of upper limb functional activities was statistically significant before and after treatment (Plt;0.01). As assessed by electromyogram and nerve conduction velocity, the response rate was 87.50%. Patients with more concomitant injuries were likely to have slower recovery. Conclusion Comprehensive rehabilitation is appropriate and effective for patients with peripheral nerve injuries after the Wenchuan earthquake.
Motor endplate is the structure connected between the nerve terminal and muscle fibre and plays a very important role in conducting nerve impulses to the target, therefore, systemical study of the sequential changes of the motor end-plate upon denervation is quite important.Ninety New Zealand rabbits were divided into nine groups from two weeks to nine months after denervation. Acetycholinesterase(AchE) was analyzed quantitatively to study the sequential changes of the motorendplates of tibialis anterior muscle. The results showed that there was no significant reduction of AchE at theend if one month after denervation, whereas a sharp reduction of AchE afterwards. AchE could not be stained after five month denervation.